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					3077 lines
				
				93 KiB
			| 
											3 years ago
										 | var mquery = require('../'); | ||
|  | var assert = require('assert'); | ||
|  | 
 | ||
|  | /* global Map */ | ||
|  | 
 | ||
|  | describe('mquery', function() { | ||
|  |   var col; | ||
|  | 
 | ||
|  |   before(function(done) { | ||
|  |     // get the env specific collection interface
 | ||
|  |     require('./env').getCollection(function(err, collection) { | ||
|  |       assert.ifError(err); | ||
|  |       col = collection; | ||
|  |       done(); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   after(function(done) { | ||
|  |     require('./env').dropCollection(done); | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('mquery', function() { | ||
|  |     it('is a function', function() { | ||
|  |       assert.equal('function', typeof mquery); | ||
|  |     }); | ||
|  |     it('creates instances with the `new` keyword', function() { | ||
|  |       assert.ok(mquery() instanceof mquery); | ||
|  |     }); | ||
|  |     describe('defaults', function() { | ||
|  |       it('are set', function() { | ||
|  |         var m = mquery(); | ||
|  |         assert.strictEqual(undefined, m.op); | ||
|  |         assert.deepEqual({}, m.options); | ||
|  |       }); | ||
|  |     }); | ||
|  |     describe('criteria', function() { | ||
|  |       it('if collection-like is used as collection', function() { | ||
|  |         var m = mquery(col); | ||
|  |         assert.equal(col, m._collection.collection); | ||
|  |       }); | ||
|  |       it('non-collection-like is used as criteria', function() { | ||
|  |         var m = mquery({ works: true }); | ||
|  |         assert.ok(!m._collection); | ||
|  |         assert.deepEqual({ works: true }, m._conditions); | ||
|  |       }); | ||
|  |     }); | ||
|  |     describe('options', function() { | ||
|  |       it('are merged when passed', function() { | ||
|  |         var m; | ||
|  |         m = mquery(col, { safe: true }); | ||
|  |         assert.deepEqual({ safe: true }, m.options); | ||
|  |         m = mquery({ name: 'mquery' }, { safe: true }); | ||
|  |         assert.deepEqual({ safe: true }, m.options); | ||
|  |       }); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('toConstructor', function() { | ||
|  |     it('creates subclasses of mquery', function() { | ||
|  |       var opts = { safe: { w: 'majority' }, readPreference: 'p' }; | ||
|  |       var match = { name: 'test', count: { $gt: 101 }}; | ||
|  |       var select = { name: 1, count: 0 }; | ||
|  |       var update = { $set: { x: true }}; | ||
|  |       var path = 'street'; | ||
|  | 
 | ||
|  |       var q = mquery().setOptions(opts); | ||
|  |       q.where(match); | ||
|  |       q.select(select); | ||
|  |       q.update(update); | ||
|  |       q.where(path); | ||
|  |       q.find(); | ||
|  | 
 | ||
|  |       var M = q.toConstructor(); | ||
|  |       var m = M(); | ||
|  | 
 | ||
|  |       assert.ok(m instanceof mquery); | ||
|  |       assert.deepEqual(opts, m.options); | ||
|  |       assert.deepEqual(match, m._conditions); | ||
|  |       assert.deepEqual(select, m._fields); | ||
|  |       assert.deepEqual(update, m._update); | ||
|  |       assert.equal(path, m._path); | ||
|  |       assert.equal('find', m.op); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('setOptions', function() { | ||
|  |     it('calls associated methods', function() { | ||
|  |       var m = mquery(); | ||
|  |       assert.equal(m._collection, null); | ||
|  |       m.setOptions({ collection: col }); | ||
|  |       assert.equal(m._collection.collection, col); | ||
|  |     }); | ||
|  |     it('directly sets option when no method exists', function() { | ||
|  |       var m = mquery(); | ||
|  |       assert.equal(m.options.woot, null); | ||
|  |       m.setOptions({ woot: 'yay' }); | ||
|  |       assert.equal(m.options.woot, 'yay'); | ||
|  |     }); | ||
|  |     it('is chainable', function() { | ||
|  |       var m = mquery(), | ||
|  |           n; | ||
|  | 
 | ||
|  |       n = m.setOptions(); | ||
|  |       assert.equal(m, n); | ||
|  |       n = m.setOptions({ x: 1 }); | ||
|  |       assert.equal(m, n); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('collection', function() { | ||
|  |     it('sets the _collection', function() { | ||
|  |       var m = mquery(); | ||
|  |       m.collection(col); | ||
|  |       assert.equal(m._collection.collection, col); | ||
|  |     }); | ||
|  |     it('is chainable', function() { | ||
|  |       var m = mquery(); | ||
|  |       var n = m.collection(col); | ||
|  |       assert.equal(m, n); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('$where', function() { | ||
|  |     it('sets the $where condition', function() { | ||
|  |       var m = mquery(); | ||
|  |       function go() {} | ||
|  |       m.$where(go); | ||
|  |       assert.ok(go === m._conditions.$where); | ||
|  |     }); | ||
|  |     it('is chainable', function() { | ||
|  |       var m = mquery(); | ||
|  |       var n = m.$where('x'); | ||
|  |       assert.equal(m, n); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('where', function() { | ||
|  |     it('without arguments', function() { | ||
|  |       var m = mquery(); | ||
|  |       m.where(); | ||
|  |       assert.deepEqual({}, m._conditions); | ||
|  |     }); | ||
|  |     it('with non-string/object argument', function() { | ||
|  |       var m = mquery(); | ||
|  | 
 | ||
|  |       assert.throws(function() { | ||
|  |         m.where([]); | ||
|  |       }, /path must be a string or object/); | ||
|  |     }); | ||
|  |     describe('with one argument', function() { | ||
|  |       it('that is an object', function() { | ||
|  |         var m = mquery(); | ||
|  |         m.where({ name: 'flawed' }); | ||
|  |         assert.strictEqual(m._conditions.name, 'flawed'); | ||
|  |       }); | ||
|  |       it('that is a query', function() { | ||
|  |         var m = mquery({ name: 'first' }); | ||
|  |         var n = mquery({ name: 'changed' }); | ||
|  |         m.where(n); | ||
|  |         assert.strictEqual(m._conditions.name, 'changed'); | ||
|  |       }); | ||
|  |       it('that is a string', function() { | ||
|  |         var m = mquery(); | ||
|  |         m.where('name'); | ||
|  |         assert.equal('name', m._path); | ||
|  |         assert.strictEqual(m._conditions.name, undefined); | ||
|  |       }); | ||
|  |     }); | ||
|  |     it('with two arguments', function() { | ||
|  |       var m = mquery(); | ||
|  |       m.where('name', 'The Great Pumpkin'); | ||
|  |       assert.equal('name', m._path); | ||
|  |       assert.strictEqual(m._conditions.name, 'The Great Pumpkin'); | ||
|  |     }); | ||
|  |     it('is chainable', function() { | ||
|  |       var m = mquery(), | ||
|  |           n; | ||
|  | 
 | ||
|  |       n = m.where('x', 'y'); | ||
|  |       assert.equal(m, n); | ||
|  |       n = m.where(); | ||
|  |       assert.equal(m, n); | ||
|  |     }); | ||
|  |   }); | ||
|  |   describe('equals', function() { | ||
|  |     it('must be called after where()', function() { | ||
|  |       var m = mquery(); | ||
|  |       assert.throws(function() { | ||
|  |         m.equals(); | ||
|  |       }, /must be used after where/); | ||
|  |     }); | ||
|  |     it('sets value of path set with where()', function() { | ||
|  |       var m = mquery(); | ||
|  |       m.where('age').equals(1000); | ||
|  |       assert.deepEqual({ age: 1000 }, m._conditions); | ||
|  |     }); | ||
|  |     it('is chainable', function() { | ||
|  |       var m = mquery(); | ||
|  |       var n = m.where('x').equals(3); | ||
|  |       assert.equal(m, n); | ||
|  |     }); | ||
|  |   }); | ||
|  |   describe('eq', function() { | ||
|  |     it('is alias of equals', function() { | ||
|  |       var m = mquery(); | ||
|  |       m.where('age').eq(1000); | ||
|  |       assert.deepEqual({ age: 1000 }, m._conditions); | ||
|  |     }); | ||
|  |   }); | ||
|  |   describe('or', function() { | ||
|  |     it('pushes onto the internal $or condition', function() { | ||
|  |       var m = mquery(); | ||
|  |       m.or({ 'Nightmare Before Christmas': true }); | ||
|  |       assert.deepEqual([{'Nightmare Before Christmas': true }], m._conditions.$or); | ||
|  |     }); | ||
|  |     it('allows passing arrays', function() { | ||
|  |       var m = mquery(); | ||
|  |       var arg = [{ 'Nightmare Before Christmas': true }, { x: 1 }]; | ||
|  |       m.or(arg); | ||
|  |       assert.deepEqual(arg, m._conditions.$or); | ||
|  |     }); | ||
|  |     it('allows calling multiple times', function() { | ||
|  |       var m = mquery(); | ||
|  |       var arg = [{ looper: true }, { x: 1 }]; | ||
|  |       m.or(arg); | ||
|  |       m.or({ y: 1 }); | ||
|  |       m.or([{ w: 'oo' }, { z: 'oo'} ]); | ||
|  |       assert.deepEqual([{looper:true},{x:1},{y:1},{w:'oo'},{z:'oo'}], m._conditions.$or); | ||
|  |     }); | ||
|  |     it('is chainable', function() { | ||
|  |       var m = mquery(); | ||
|  |       m.or({ o: 'k'}).where('name', 'table'); | ||
|  |       assert.deepEqual({ name: 'table', $or: [{ o: 'k' }] }, m._conditions); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('nor', function() { | ||
|  |     it('pushes onto the internal $nor condition', function() { | ||
|  |       var m = mquery(); | ||
|  |       m.nor({ 'Nightmare Before Christmas': true }); | ||
|  |       assert.deepEqual([{'Nightmare Before Christmas': true }], m._conditions.$nor); | ||
|  |     }); | ||
|  |     it('allows passing arrays', function() { | ||
|  |       var m = mquery(); | ||
|  |       var arg = [{ 'Nightmare Before Christmas': true }, { x: 1 }]; | ||
|  |       m.nor(arg); | ||
|  |       assert.deepEqual(arg, m._conditions.$nor); | ||
|  |     }); | ||
|  |     it('allows calling multiple times', function() { | ||
|  |       var m = mquery(); | ||
|  |       var arg = [{ looper: true }, { x: 1 }]; | ||
|  |       m.nor(arg); | ||
|  |       m.nor({ y: 1 }); | ||
|  |       m.nor([{ w: 'oo' }, { z: 'oo'} ]); | ||
|  |       assert.deepEqual([{looper:true},{x:1},{y:1},{w:'oo'},{z:'oo'}], m._conditions.$nor); | ||
|  |     }); | ||
|  |     it('is chainable', function() { | ||
|  |       var m = mquery(); | ||
|  |       m.nor({ o: 'k'}).where('name', 'table'); | ||
|  |       assert.deepEqual({ name: 'table', $nor: [{ o: 'k' }] }, m._conditions); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('and', function() { | ||
|  |     it('pushes onto the internal $and condition', function() { | ||
|  |       var m = mquery(); | ||
|  |       m.and({ 'Nightmare Before Christmas': true }); | ||
|  |       assert.deepEqual([{'Nightmare Before Christmas': true }], m._conditions.$and); | ||
|  |     }); | ||
|  |     it('allows passing arrays', function() { | ||
|  |       var m = mquery(); | ||
|  |       var arg = [{ 'Nightmare Before Christmas': true }, { x: 1 }]; | ||
|  |       m.and(arg); | ||
|  |       assert.deepEqual(arg, m._conditions.$and); | ||
|  |     }); | ||
|  |     it('allows calling multiple times', function() { | ||
|  |       var m = mquery(); | ||
|  |       var arg = [{ looper: true }, { x: 1 }]; | ||
|  |       m.and(arg); | ||
|  |       m.and({ y: 1 }); | ||
|  |       m.and([{ w: 'oo' }, { z: 'oo'} ]); | ||
|  |       assert.deepEqual([{looper:true},{x:1},{y:1},{w:'oo'},{z:'oo'}], m._conditions.$and); | ||
|  |     }); | ||
|  |     it('is chainable', function() { | ||
|  |       var m = mquery(); | ||
|  |       m.and({ o: 'k'}).where('name', 'table'); | ||
|  |       assert.deepEqual({ name: 'table', $and: [{ o: 'k' }] }, m._conditions); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   function generalCondition(type) { | ||
|  |     return function() { | ||
|  |       it('accepts 2 args', function() { | ||
|  |         var m = mquery()[type]('count', 3); | ||
|  |         var check = {}; | ||
|  |         check['$' + type] = 3; | ||
|  |         assert.deepEqual(m._conditions.count, check); | ||
|  |       }); | ||
|  |       it('uses previously set `where` path if 1 arg passed', function() { | ||
|  |         var m = mquery().where('count')[type](3); | ||
|  |         var check = {}; | ||
|  |         check['$' + type] = 3; | ||
|  |         assert.deepEqual(m._conditions.count, check); | ||
|  |       }); | ||
|  |       it('throws if 1 arg was passed but no previous `where` was used', function() { | ||
|  |         assert.throws(function() { | ||
|  |           mquery()[type](3); | ||
|  |         }, /must be used after where/); | ||
|  |       }); | ||
|  |       it('is chainable', function() { | ||
|  |         var m = mquery().where('count')[type](3).where('x', 8); | ||
|  |         var check = {x: 8, count: {}}; | ||
|  |         check.count['$' + type] = 3; | ||
|  |         assert.deepEqual(m._conditions, check); | ||
|  |       }); | ||
|  |       it('overwrites previous value', function() { | ||
|  |         var m = mquery().where('count')[type](3)[type](8); | ||
|  |         var check = {}; | ||
|  |         check['$' + type] = 8; | ||
|  |         assert.deepEqual(m._conditions.count, check); | ||
|  |       }); | ||
|  |     }; | ||
|  |   } | ||
|  | 
 | ||
|  |   'gt gte lt lte ne in nin regex size maxDistance minDistance'.split(' ').forEach(function(type) { | ||
|  |     describe(type, generalCondition(type)); | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('mod', function() { | ||
|  |     describe('with 1 argument', function() { | ||
|  |       it('requires a previous where()', function() { | ||
|  |         assert.throws(function() { | ||
|  |           mquery().mod([30, 10]); | ||
|  |         }, /must be used after where/); | ||
|  |       }); | ||
|  |       it('works', function() { | ||
|  |         var m = mquery().where('madmen').mod([10,20]); | ||
|  |         assert.deepEqual(m._conditions, { madmen: { $mod: [10,20] }}); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     describe('with 2 arguments and second is non-Array', function() { | ||
|  |       it('requires a previous where()', function() { | ||
|  |         assert.throws(function() { | ||
|  |           mquery().mod('x', 10); | ||
|  |         }, /must be used after where/); | ||
|  |       }); | ||
|  |       it('works', function() { | ||
|  |         var m = mquery().where('madmen').mod(10, 20); | ||
|  |         assert.deepEqual(m._conditions, { madmen: { $mod: [10,20] }}); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('with 2 arguments and second is an array', function() { | ||
|  |       var m = mquery().mod('madmen', [10,20]); | ||
|  |       assert.deepEqual(m._conditions, { madmen: { $mod: [10,20] }}); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('with 3 arguments', function() { | ||
|  |       var m = mquery().mod('madmen', 10, 20); | ||
|  |       assert.deepEqual(m._conditions, { madmen: { $mod: [10,20] }}); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('is chainable', function() { | ||
|  |       var m = mquery().mod('madmen', 10, 20).where('x', 8); | ||
|  |       var check = { madmen: { $mod: [10,20] }, x: 8}; | ||
|  |       assert.deepEqual(m._conditions, check); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('exists', function() { | ||
|  |     it('with 0 args', function() { | ||
|  |       it('throws if not used after where()', function() { | ||
|  |         assert.throws(function() { | ||
|  |           mquery().exists(); | ||
|  |         }, /must be used after where/); | ||
|  |       }); | ||
|  |       it('works', function() { | ||
|  |         var m = mquery().where('name').exists(); | ||
|  |         var check = { name: { $exists: true }}; | ||
|  |         assert.deepEqual(m._conditions, check); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     describe('with 1 arg', function() { | ||
|  |       describe('that is boolean', function() { | ||
|  |         it('throws if not used after where()', function() { | ||
|  |           assert.throws(function() { | ||
|  |             mquery().exists(); | ||
|  |           }, /must be used after where/); | ||
|  |         }); | ||
|  |         it('works', function() { | ||
|  |           var m = mquery().exists('name', false); | ||
|  |           var check = { name: { $exists: false }}; | ||
|  |           assert.deepEqual(m._conditions, check); | ||
|  |         }); | ||
|  |       }); | ||
|  |       describe('that is not boolean', function() { | ||
|  |         it('sets the value to `true`', function() { | ||
|  |           var m = mquery().where('name').exists('yummy'); | ||
|  |           var check = { yummy: { $exists: true }}; | ||
|  |           assert.deepEqual(m._conditions, check); | ||
|  |         }); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     describe('with 2 args', function() { | ||
|  |       it('works', function() { | ||
|  |         var m = mquery().exists('yummy', false); | ||
|  |         var check = { yummy: { $exists: false }}; | ||
|  |         assert.deepEqual(m._conditions, check); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('is chainable', function() { | ||
|  |       var m = mquery().where('name').exists().find({ x: 1 }); | ||
|  |       var check = { name: { $exists: true }, x: 1}; | ||
|  |       assert.deepEqual(m._conditions, check); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('elemMatch', function() { | ||
|  |     describe('with null/undefined first argument', function() { | ||
|  |       assert.throws(function() { | ||
|  |         mquery().elemMatch(); | ||
|  |       }, /Invalid argument/); | ||
|  |       assert.throws(function() { | ||
|  |         mquery().elemMatch(null); | ||
|  |       }, /Invalid argument/); | ||
|  |       assert.doesNotThrow(function() { | ||
|  |         mquery().elemMatch('', {}); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     describe('with 1 argument', function() { | ||
|  |       it('throws if not a function or object', function() { | ||
|  |         assert.throws(function() { | ||
|  |           mquery().elemMatch([]); | ||
|  |         }, /Invalid argument/); | ||
|  |       }); | ||
|  | 
 | ||
|  |       describe('that is an object', function() { | ||
|  |         it('throws if no previous `where` was used', function() { | ||
|  |           assert.throws(function() { | ||
|  |             mquery().elemMatch({}); | ||
|  |           }, /must be used after where/); | ||
|  |         }); | ||
|  |         it('works', function() { | ||
|  |           var m = mquery().where('comment').elemMatch({ author: 'joe', votes: {$gte: 3 }}); | ||
|  |           assert.deepEqual({ comment: { $elemMatch: { author: 'joe', votes: {$gte: 3}}}}, m._conditions); | ||
|  |         }); | ||
|  |       }); | ||
|  |       describe('that is a function', function() { | ||
|  |         it('throws if no previous `where` was used', function() { | ||
|  |           assert.throws(function() { | ||
|  |             mquery().elemMatch(function() {}); | ||
|  |           }, /must be used after where/); | ||
|  |         }); | ||
|  |         it('works', function() { | ||
|  |           var m = mquery().where('comment').elemMatch(function(query) { | ||
|  |             query.where({ author: 'joe', votes: {$gte: 3 }}); | ||
|  |           }); | ||
|  |           assert.deepEqual({ comment: { $elemMatch: { author: 'joe', votes: {$gte: 3}}}}, m._conditions); | ||
|  |         }); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     describe('with 2 arguments', function() { | ||
|  |       describe('and the 2nd is an object', function() { | ||
|  |         it('works', function() { | ||
|  |           var m = mquery().elemMatch('comment', { author: 'joe', votes: {$gte: 3 }}); | ||
|  |           assert.deepEqual({ comment: { $elemMatch: { author: 'joe', votes: {$gte: 3}}}}, m._conditions); | ||
|  |         }); | ||
|  |       }); | ||
|  |       describe('and the 2nd is a function', function() { | ||
|  |         it('works', function() { | ||
|  |           var m = mquery().elemMatch('comment', function(query) { | ||
|  |             query.where({ author: 'joe', votes: {$gte: 3 }}); | ||
|  |           }); | ||
|  |           assert.deepEqual({ comment: { $elemMatch: { author: 'joe', votes: {$gte: 3}}}}, m._conditions); | ||
|  |         }); | ||
|  |       }); | ||
|  |       it('and the 2nd is not a function or object', function() { | ||
|  |         assert.throws(function() { | ||
|  |           mquery().elemMatch('comment', []); | ||
|  |         }, /Invalid argument/); | ||
|  |       }); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('within', function() { | ||
|  |     it('is chainable', function() { | ||
|  |       var m = mquery(); | ||
|  |       assert.equal(m.where('a').within(), m); | ||
|  |     }); | ||
|  |     describe('when called with arguments', function() { | ||
|  |       it('must follow where()', function() { | ||
|  |         assert.throws(function() { | ||
|  |           mquery().within([]); | ||
|  |         }, /must be used after where/); | ||
|  |       }); | ||
|  | 
 | ||
|  |       describe('of length 1', function() { | ||
|  |         it('throws if not a recognized shape', function() { | ||
|  |           assert.throws(function() { | ||
|  |             mquery().where('loc').within({}); | ||
|  |           }, /Invalid argument/); | ||
|  |           assert.throws(function() { | ||
|  |             mquery().where('loc').within(null); | ||
|  |           }, /Invalid argument/); | ||
|  |         }); | ||
|  |         it('delegates to circle when center exists', function() { | ||
|  |           var m = mquery().where('loc').within({ center: [10,10], radius: 3 }); | ||
|  |           assert.deepEqual({ $geoWithin: {$center:[[10,10], 3]}}, m._conditions.loc); | ||
|  |         }); | ||
|  |         it('delegates to box when exists', function() { | ||
|  |           var m = mquery().where('loc').within({ box: [[10,10], [11,14]] }); | ||
|  |           assert.deepEqual({ $geoWithin: {$box:[[10,10], [11,14]]}}, m._conditions.loc); | ||
|  |         }); | ||
|  |         it('delegates to polygon when exists', function() { | ||
|  |           var m = mquery().where('loc').within({ polygon: [[10,10], [11,14],[10,9]] }); | ||
|  |           assert.deepEqual({ $geoWithin: {$polygon:[[10,10], [11,14],[10,9]]}}, m._conditions.loc); | ||
|  |         }); | ||
|  |         it('delegates to geometry when exists', function() { | ||
|  |           var m = mquery().where('loc').within({ type: 'Polygon', coordinates: [[10,10], [11,14],[10,9]] }); | ||
|  |           assert.deepEqual({ $geoWithin: {$geometry: {type:'Polygon', coordinates: [[10,10], [11,14],[10,9]]}}}, m._conditions.loc); | ||
|  |         }); | ||
|  |       }); | ||
|  | 
 | ||
|  |       describe('of length 2', function() { | ||
|  |         it('delegates to box()', function() { | ||
|  |           var m = mquery().where('loc').within([1,2],[2,5]); | ||
|  |           assert.deepEqual(m._conditions.loc, { $geoWithin: { $box: [[1,2],[2,5]]}}); | ||
|  |         }); | ||
|  |       }); | ||
|  | 
 | ||
|  |       describe('of length > 2', function() { | ||
|  |         it('delegates to polygon()', function() { | ||
|  |           var m = mquery().where('loc').within([1,2],[2,5],[2,4],[1,3]); | ||
|  |           assert.deepEqual(m._conditions.loc, { $geoWithin: { $polygon: [[1,2],[2,5],[2,4],[1,3]]}}); | ||
|  |         }); | ||
|  |       }); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('geoWithin', function() { | ||
|  |     before(function() { | ||
|  |       mquery.use$geoWithin = false; | ||
|  |     }); | ||
|  |     after(function() { | ||
|  |       mquery.use$geoWithin = true; | ||
|  |     }); | ||
|  |     describe('when called with arguments', function() { | ||
|  |       describe('of length 1', function() { | ||
|  |         it('delegates to circle when center exists', function() { | ||
|  |           var m = mquery().where('loc').within({ center: [10,10], radius: 3 }); | ||
|  |           assert.deepEqual({ $within: {$center:[[10,10], 3]}}, m._conditions.loc); | ||
|  |         }); | ||
|  |         it('delegates to box when exists', function() { | ||
|  |           var m = mquery().where('loc').within({ box: [[10,10], [11,14]] }); | ||
|  |           assert.deepEqual({ $within: {$box:[[10,10], [11,14]]}}, m._conditions.loc); | ||
|  |         }); | ||
|  |         it('delegates to polygon when exists', function() { | ||
|  |           var m = mquery().where('loc').within({ polygon: [[10,10], [11,14],[10,9]] }); | ||
|  |           assert.deepEqual({ $within: {$polygon:[[10,10], [11,14],[10,9]]}}, m._conditions.loc); | ||
|  |         }); | ||
|  |         it('delegates to geometry when exists', function() { | ||
|  |           var m = mquery().where('loc').within({ type: 'Polygon', coordinates: [[10,10], [11,14],[10,9]] }); | ||
|  |           assert.deepEqual({ $within: {$geometry: {type:'Polygon', coordinates: [[10,10], [11,14],[10,9]]}}}, m._conditions.loc); | ||
|  |         }); | ||
|  |       }); | ||
|  | 
 | ||
|  |       describe('of length 2', function() { | ||
|  |         it('delegates to box()', function() { | ||
|  |           var m = mquery().where('loc').within([1,2],[2,5]); | ||
|  |           assert.deepEqual(m._conditions.loc, { $within: { $box: [[1,2],[2,5]]}}); | ||
|  |         }); | ||
|  |       }); | ||
|  | 
 | ||
|  |       describe('of length > 2', function() { | ||
|  |         it('delegates to polygon()', function() { | ||
|  |           var m = mquery().where('loc').within([1,2],[2,5],[2,4],[1,3]); | ||
|  |           assert.deepEqual(m._conditions.loc, { $within: { $polygon: [[1,2],[2,5],[2,4],[1,3]]}}); | ||
|  |         }); | ||
|  |       }); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('box', function() { | ||
|  |     describe('with 1 argument', function() { | ||
|  |       it('throws', function() { | ||
|  |         assert.throws(function() { | ||
|  |           mquery().box('sometihng'); | ||
|  |         }, /Invalid argument/); | ||
|  |       }); | ||
|  |     }); | ||
|  |     describe('with > 3 arguments', function() { | ||
|  |       it('throws', function() { | ||
|  |         assert.throws(function() { | ||
|  |           mquery().box(1,2,3,4); | ||
|  |         }, /Invalid argument/); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     describe('with 2 arguments', function() { | ||
|  |       it('throws if not used after where()', function() { | ||
|  |         assert.throws(function() { | ||
|  |           mquery().box([],[]); | ||
|  |         }, /must be used after where/); | ||
|  |       }); | ||
|  |       it('works', function() { | ||
|  |         var m = mquery().where('loc').box([1,2],[3,4]); | ||
|  |         assert.deepEqual(m._conditions.loc, { $geoWithin: { $box: [[1,2],[3,4]] }}); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     describe('with 3 arguments', function() { | ||
|  |       it('works', function() { | ||
|  |         var m = mquery().box('loc', [1,2],[3,4]); | ||
|  |         assert.deepEqual(m._conditions.loc, { $geoWithin: { $box: [[1,2],[3,4]] }}); | ||
|  |       }); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('polygon', function() { | ||
|  |     describe('when first argument is not a string', function() { | ||
|  |       it('throws if not used after where()', function() { | ||
|  |         assert.throws(function() { | ||
|  |           mquery().polygon({}); | ||
|  |         }, /must be used after where/); | ||
|  | 
 | ||
|  |         assert.doesNotThrow(function() { | ||
|  |           mquery().where('loc').polygon([1,2], [2,3], [3,6]); | ||
|  |         }); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('assigns arguments to within polygon condition', function() { | ||
|  |         var m = mquery().where('loc').polygon([1,2], [2,3], [3,6]); | ||
|  |         assert.deepEqual(m._conditions, { loc: {$geoWithin: {$polygon: [[1,2],[2,3],[3,6]]}} }); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     describe('when first arg is a string', function() { | ||
|  |       it('assigns remaining arguments to within polygon condition', function() { | ||
|  |         var m = mquery().polygon('loc', [1,2], [2,3], [3,6]); | ||
|  |         assert.deepEqual(m._conditions, { loc: {$geoWithin: {$polygon: [[1,2],[2,3],[3,6]]}} }); | ||
|  |       }); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('circle', function() { | ||
|  |     describe('with one arg', function() { | ||
|  |       it('must follow where()', function() { | ||
|  |         assert.throws(function() { | ||
|  |           mquery().circle('x'); | ||
|  |         }, /must be used after where/); | ||
|  |         assert.doesNotThrow(function() { | ||
|  |           mquery().where('loc').circle({center:[0,0], radius: 3 }); | ||
|  |         }); | ||
|  |       }); | ||
|  |       it('works', function() { | ||
|  |         var m = mquery().where('loc').circle({center:[0,0], radius: 3 }); | ||
|  |         assert.deepEqual(m._conditions, { loc: { $geoWithin: {$center: [[0,0],3] }}}); | ||
|  |       }); | ||
|  |     }); | ||
|  |     describe('with 3 args', function() { | ||
|  |       it('throws', function() { | ||
|  |         assert.throws(function() { | ||
|  |           mquery().where('loc').circle(1,2,3); | ||
|  |         }, /Invalid argument/); | ||
|  |       }); | ||
|  |     }); | ||
|  |     describe('requires radius and center', function() { | ||
|  |       assert.throws(function() { | ||
|  |         mquery().circle('loc', { center: 1 }); | ||
|  |       }, /center and radius are required/); | ||
|  |       assert.throws(function() { | ||
|  |         mquery().circle('loc', { radius: 1 }); | ||
|  |       }, /center and radius are required/); | ||
|  |       assert.doesNotThrow(function() { | ||
|  |         mquery().circle('loc', { center: [1,2], radius: 1 }); | ||
|  |       }); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('geometry', function() { | ||
|  |     // within + intersects
 | ||
|  |     var point = { type: 'Point', coordinates: [[0,0],[1,1]] }; | ||
|  | 
 | ||
|  |     it('must be called after within or intersects', function(done) { | ||
|  |       assert.throws(function() { | ||
|  |         mquery().where('a').geometry(point); | ||
|  |       }, /must come after/); | ||
|  | 
 | ||
|  |       assert.doesNotThrow(function() { | ||
|  |         mquery().where('a').within().geometry(point); | ||
|  |       }); | ||
|  | 
 | ||
|  |       assert.doesNotThrow(function() { | ||
|  |         mquery().where('a').intersects().geometry(point); | ||
|  |       }); | ||
|  | 
 | ||
|  |       done(); | ||
|  |     }); | ||
|  | 
 | ||
|  |     describe('when called with one argument', function() { | ||
|  |       describe('after within()', function() { | ||
|  |         it('and arg quacks like geoJSON', function(done) { | ||
|  |           var m = mquery().where('a').within().geometry(point); | ||
|  |           assert.deepEqual({ a: { $geoWithin: { $geometry: point }}}, m._conditions); | ||
|  |           done(); | ||
|  |         }); | ||
|  |       }); | ||
|  | 
 | ||
|  |       describe('after intersects()', function() { | ||
|  |         it('and arg quacks like geoJSON', function(done) { | ||
|  |           var m = mquery().where('a').intersects().geometry(point); | ||
|  |           assert.deepEqual({ a: { $geoIntersects: { $geometry: point }}}, m._conditions); | ||
|  |           done(); | ||
|  |         }); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('and arg does not quack like geoJSON', function(done) { | ||
|  |         assert.throws(function() { | ||
|  |           mquery().where('b').within().geometry({type:1, coordinates:2}); | ||
|  |         }, /Invalid argument/); | ||
|  |         done(); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     describe('when called with zero arguments', function() { | ||
|  |       it('throws', function(done) { | ||
|  |         assert.throws(function() { | ||
|  |           mquery().where('a').within().geometry(); | ||
|  |         }, /Invalid argument/); | ||
|  | 
 | ||
|  |         done(); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     describe('when called with more than one arguments', function() { | ||
|  |       it('throws', function(done) { | ||
|  |         assert.throws(function() { | ||
|  |           mquery().where('a').within().geometry({type:'a',coordinates:[]}, 2); | ||
|  |         }, /Invalid argument/); | ||
|  |         done(); | ||
|  |       }); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('intersects', function() { | ||
|  |     it('must be used after where()', function(done) { | ||
|  |       var m = mquery(); | ||
|  |       assert.throws(function() { | ||
|  |         m.intersects(); | ||
|  |       }, /must be used after where/); | ||
|  |       done(); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('sets geo comparison to "$intersects"', function(done) { | ||
|  |       var n = mquery().where('a').intersects(); | ||
|  |       assert.equal('$geoIntersects', n._geoComparison); | ||
|  |       done(); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('is chainable', function() { | ||
|  |       var m = mquery(); | ||
|  |       assert.equal(m.where('a').intersects(), m); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('calls geometry if argument quacks like geojson', function(done) { | ||
|  |       var m = mquery(); | ||
|  |       var o = { type: 'LineString', coordinates: [[0,1],[3,40]] }; | ||
|  |       var ran = false; | ||
|  | 
 | ||
|  |       m.geometry = function(arg) { | ||
|  |         ran = true; | ||
|  |         assert.deepEqual(o, arg); | ||
|  |       }; | ||
|  | 
 | ||
|  |       m.where('a').intersects(o); | ||
|  |       assert.ok(ran); | ||
|  | 
 | ||
|  |       done(); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('throws if argument is not geometry-like', function(done) { | ||
|  |       var m = mquery().where('a'); | ||
|  | 
 | ||
|  |       assert.throws(function() { | ||
|  |         m.intersects(null); | ||
|  |       }, /Invalid argument/); | ||
|  | 
 | ||
|  |       assert.throws(function() { | ||
|  |         m.intersects(undefined); | ||
|  |       }, /Invalid argument/); | ||
|  | 
 | ||
|  |       assert.throws(function() { | ||
|  |         m.intersects(false); | ||
|  |       }, /Invalid argument/); | ||
|  | 
 | ||
|  |       assert.throws(function() { | ||
|  |         m.intersects({}); | ||
|  |       }, /Invalid argument/); | ||
|  | 
 | ||
|  |       assert.throws(function() { | ||
|  |         m.intersects([]); | ||
|  |       }, /Invalid argument/); | ||
|  | 
 | ||
|  |       assert.throws(function() { | ||
|  |         m.intersects(function() {}); | ||
|  |       }, /Invalid argument/); | ||
|  | 
 | ||
|  |       assert.throws(function() { | ||
|  |         m.intersects(NaN); | ||
|  |       }, /Invalid argument/); | ||
|  | 
 | ||
|  |       done(); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('near', function() { | ||
|  |     // near nearSphere
 | ||
|  |     describe('with 0 args', function() { | ||
|  |       it('is compatible with geometry()', function(done) { | ||
|  |         var q = mquery().where('x').near().geometry({ type: 'Point', coordinates: [180, 11] }); | ||
|  |         assert.deepEqual({ $near: {$geometry: {type:'Point', coordinates: [180,11]}}}, q._conditions.x); | ||
|  |         done(); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     describe('with 1 arg', function() { | ||
|  |       it('throws if not used after where()', function() { | ||
|  |         assert.throws(function() { | ||
|  |           mquery().near(1); | ||
|  |         }, /must be used after where/); | ||
|  |       }); | ||
|  |       it('does not throw if used after where()', function() { | ||
|  |         assert.doesNotThrow(function() { | ||
|  |           mquery().where('loc').near({center:[1,1]}); | ||
|  |         }); | ||
|  |       }); | ||
|  |     }); | ||
|  |     describe('with > 2 args', function() { | ||
|  |       it('throws', function() { | ||
|  |         assert.throws(function() { | ||
|  |           mquery().near(1,2,3); | ||
|  |         }, /Invalid argument/); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('creates $geometry args for GeoJSON', function() { | ||
|  |       var m = mquery().where('loc').near({ center: { type: 'Point', coordinates: [10,10] }}); | ||
|  |       assert.deepEqual({ $near: {$geometry: {type:'Point', coordinates: [10,10]}}}, m._conditions.loc); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('expects `center`', function() { | ||
|  |       assert.throws(function() { | ||
|  |         mquery().near('loc', { maxDistance: 3 }); | ||
|  |       }, /center is required/); | ||
|  |       assert.doesNotThrow(function() { | ||
|  |         mquery().near('loc', { center: [3,4] }); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('accepts spherical conditions', function() { | ||
|  |       var m = mquery().where('loc').near({ center: [1,2], spherical: true }); | ||
|  |       assert.deepEqual(m._conditions, { loc: { $nearSphere: [1,2]}}); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('is non-spherical by default', function() { | ||
|  |       var m = mquery().where('loc').near({ center: [1,2] }); | ||
|  |       assert.deepEqual(m._conditions, { loc: { $near: [1,2]}}); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('supports maxDistance', function() { | ||
|  |       var m = mquery().where('loc').near({ center: [1,2], maxDistance:4 }); | ||
|  |       assert.deepEqual(m._conditions, { loc: { $near: [1,2], $maxDistance: 4}}); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('supports minDistance', function() { | ||
|  |       var m = mquery().where('loc').near({ center: [1,2], minDistance:4 }); | ||
|  |       assert.deepEqual(m._conditions, { loc: { $near: [1,2], $minDistance: 4}}); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('is chainable', function() { | ||
|  |       var m = mquery().where('loc').near({ center: [1,2], maxDistance:4 }).find({ x: 1 }); | ||
|  |       assert.deepEqual(m._conditions, { loc: { $near: [1,2], $maxDistance: 4}, x: 1}); | ||
|  |     }); | ||
|  | 
 | ||
|  |     describe('supports passing GeoJSON, gh-13', function() { | ||
|  |       it('with center', function() { | ||
|  |         var m = mquery().where('loc').near({ | ||
|  |           center: { type: 'Point', coordinates: [1,1] }, | ||
|  |           maxDistance: 2 | ||
|  |         }); | ||
|  | 
 | ||
|  |         var expect = { | ||
|  |           loc: { | ||
|  |             $near: { | ||
|  |               $geometry: { | ||
|  |                 type: 'Point', | ||
|  |                 coordinates : [1,1] | ||
|  |               }, | ||
|  |               $maxDistance : 2 | ||
|  |             } | ||
|  |           } | ||
|  |         }; | ||
|  | 
 | ||
|  |         assert.deepEqual(m._conditions, expect); | ||
|  |       }); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   // fields
 | ||
|  | 
 | ||
|  |   describe('select', function() { | ||
|  |     describe('with 0 args', function() { | ||
|  |       it('is chainable', function() { | ||
|  |         var m = mquery(); | ||
|  |         assert.equal(m, m.select()); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('accepts an object', function() { | ||
|  |       var o = { x: 1, y: 1 }; | ||
|  |       var m = mquery().select(o); | ||
|  |       assert.deepEqual(m._fields, o); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('accepts a string', function() { | ||
|  |       var o = 'x -y'; | ||
|  |       var m = mquery().select(o); | ||
|  |       assert.deepEqual(m._fields, { x: 1, y: 0 }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('does accept an array', function() { | ||
|  |       var o = ['x', '-y']; | ||
|  |       var m = mquery().select(o); | ||
|  |       assert.deepEqual(m._fields, { x: 1, y: 0 }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('merges previous arguments', function() { | ||
|  |       var o = { x: 1, y: 0, a: 1 }; | ||
|  |       var m = mquery().select(o); | ||
|  |       m.select('z -u w').select({ x: 0 }); | ||
|  |       assert.deepEqual(m._fields, { | ||
|  |         x: 0, | ||
|  |         y: 0, | ||
|  |         z: 1, | ||
|  |         u: 0, | ||
|  |         w: 1, | ||
|  |         a: 1 | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('rejects non-string, object, arrays', function() { | ||
|  |       assert.throws(function() { | ||
|  |         mquery().select(function() {}); | ||
|  |       }, /Invalid select\(\) argument/); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('accepts arguments objects', function() { | ||
|  |       var m = mquery(); | ||
|  |       function t() { | ||
|  |         m.select(arguments); | ||
|  |         assert.deepEqual(m._fields, { x: 1, y: 0 }); | ||
|  |       } | ||
|  |       t('x', '-y'); | ||
|  |     }); | ||
|  | 
 | ||
|  |     noDistinct('select'); | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('selected', function() { | ||
|  |     it('returns true when fields have been selected', function(done) { | ||
|  |       var m; | ||
|  | 
 | ||
|  |       m = mquery().select({ name: 1 }); | ||
|  |       assert.ok(m.selected()); | ||
|  | 
 | ||
|  |       m = mquery().select('name'); | ||
|  |       assert.ok(m.selected()); | ||
|  | 
 | ||
|  |       done(); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('returns false when no fields have been selected', function(done) { | ||
|  |       var m = mquery(); | ||
|  |       assert.strictEqual(false, m.selected()); | ||
|  |       done(); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('selectedInclusively', function() { | ||
|  |     describe('returns false', function() { | ||
|  |       it('when no fields have been selected', function(done) { | ||
|  |         assert.strictEqual(false, mquery().selectedInclusively()); | ||
|  |         assert.equal(false, mquery().select({}).selectedInclusively()); | ||
|  |         done(); | ||
|  |       }); | ||
|  |       it('when any fields have been excluded', function(done) { | ||
|  |         assert.strictEqual(false, mquery().select('-name').selectedInclusively()); | ||
|  |         assert.strictEqual(false, mquery().select({ name: 0 }).selectedInclusively()); | ||
|  |         assert.strictEqual(false, mquery().select('name bio -_id').selectedInclusively()); | ||
|  |         assert.strictEqual(false, mquery().select({ name: 1, _id: 0 }).selectedInclusively()); | ||
|  |         done(); | ||
|  |       }); | ||
|  |       it('when using $meta', function(done) { | ||
|  |         assert.strictEqual(false, mquery().select({ name: { $meta: 'textScore' } }).selectedInclusively()); | ||
|  |         done(); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     describe('returns true', function() { | ||
|  |       it('when fields have been included', function(done) { | ||
|  |         assert.equal(true, mquery().select('name').selectedInclusively()); | ||
|  |         assert.equal(true, mquery().select({ name:1 }).selectedInclusively()); | ||
|  |         done(); | ||
|  |       }); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('selectedExclusively', function() { | ||
|  |     describe('returns false', function() { | ||
|  |       it('when no fields have been selected', function(done) { | ||
|  |         assert.equal(false, mquery().selectedExclusively()); | ||
|  |         assert.equal(false, mquery().select({}).selectedExclusively()); | ||
|  |         done(); | ||
|  |       }); | ||
|  |       it('when fields have only been included', function(done) { | ||
|  |         assert.equal(false, mquery().select('name').selectedExclusively()); | ||
|  |         assert.equal(false, mquery().select({ name: 1 }).selectedExclusively()); | ||
|  |         done(); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     describe('returns true', function() { | ||
|  |       it('when any field has been excluded', function(done) { | ||
|  |         assert.equal(true, mquery().select('-name').selectedExclusively()); | ||
|  |         assert.equal(true, mquery().select({ name:0 }).selectedExclusively()); | ||
|  |         assert.equal(true, mquery().select('-_id').selectedExclusively()); | ||
|  |         assert.strictEqual(true, mquery().select('name bio -_id').selectedExclusively()); | ||
|  |         assert.strictEqual(true, mquery().select({ name: 1, _id: 0 }).selectedExclusively()); | ||
|  |         done(); | ||
|  |       }); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('slice', function() { | ||
|  |     describe('with 0 args', function() { | ||
|  |       it('is chainable', function() { | ||
|  |         var m = mquery(); | ||
|  |         assert.equal(m, m.slice()); | ||
|  |       }); | ||
|  |       it('is a noop', function() { | ||
|  |         var m = mquery().slice(); | ||
|  |         assert.deepEqual(m._fields, undefined); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     describe('with 1 arg', function() { | ||
|  |       it('throws if not called after where()', function() { | ||
|  |         assert.throws(function() { | ||
|  |           mquery().slice(1); | ||
|  |         }, /must be used after where/); | ||
|  |         assert.doesNotThrow(function() { | ||
|  |           mquery().where('a').slice(1); | ||
|  |         }); | ||
|  |       }); | ||
|  |       it('that is a number', function() { | ||
|  |         var query = mquery(); | ||
|  |         query.where('collection').slice(5); | ||
|  |         assert.deepEqual(query._fields, {collection: {$slice: 5}}); | ||
|  |       }); | ||
|  |       it('that is an array', function() { | ||
|  |         var query = mquery(); | ||
|  |         query.where('collection').slice([5,10]); | ||
|  |         assert.deepEqual(query._fields, {collection: {$slice: [5,10]}}); | ||
|  |       }); | ||
|  |       it('that is an object', function() { | ||
|  |         var query = mquery(); | ||
|  |         query.slice({ collection: [5, 10] }); | ||
|  |         assert.deepEqual(query._fields, {collection: {$slice: [5,10]}}); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     describe('with 2 args', function() { | ||
|  |       describe('and first is a number', function() { | ||
|  |         it('throws if not called after where', function() { | ||
|  |           assert.throws(function() { | ||
|  |             mquery().slice(2,3); | ||
|  |           }, /must be used after where/); | ||
|  |         }); | ||
|  |         it('does not throw if used after where', function() { | ||
|  |           var query = mquery(); | ||
|  |           query.where('collection').slice(2,3); | ||
|  |           assert.deepEqual(query._fields, {collection: {$slice: [2,3]}}); | ||
|  |         }); | ||
|  |       }); | ||
|  |       it('and first is not a number', function() { | ||
|  |         var query = mquery().slice('collection', [-5, 2]); | ||
|  |         assert.deepEqual(query._fields, {collection: {$slice: [-5,2]}}); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     describe('with 3 args', function() { | ||
|  |       it('works', function() { | ||
|  |         var query = mquery(); | ||
|  |         query.slice('collection', 14, 10); | ||
|  |         assert.deepEqual(query._fields, {collection: {$slice: [14, 10]}}); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     noDistinct('slice'); | ||
|  |     no('count', 'slice'); | ||
|  |   }); | ||
|  | 
 | ||
|  |   // options
 | ||
|  | 
 | ||
|  |   describe('sort', function() { | ||
|  |     describe('with 0 args', function() { | ||
|  |       it('chains', function() { | ||
|  |         var m = mquery(); | ||
|  |         assert.equal(m, m.sort()); | ||
|  |       }); | ||
|  |       it('has no affect', function() { | ||
|  |         var m = mquery(); | ||
|  |         assert.equal(m.options.sort, undefined); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('works', function() { | ||
|  |       var query = mquery(); | ||
|  |       query.sort('a -c b'); | ||
|  |       assert.deepEqual(query.options.sort, { a : 1, b: 1, c : -1}); | ||
|  | 
 | ||
|  |       query = mquery(); | ||
|  |       query.sort({'a': 1, 'c': -1, 'b': 'asc', e: 'descending', f: 'ascending'}); | ||
|  |       assert.deepEqual(query.options.sort, {'a': 1, 'c': -1, 'b': 1, 'e': -1, 'f': 1}); | ||
|  | 
 | ||
|  |       query = mquery(); | ||
|  |       query.sort([['a', -1], ['c', 1], ['b', 'desc'], ['e', 'ascending'], ['f', 'descending']]); | ||
|  |       assert.deepEqual(query.options.sort, [['a', -1], ['c', 1], ['b', -1], ['e', 1], ['f', -1]]); | ||
|  | 
 | ||
|  |       query = mquery(); | ||
|  |       var e = undefined; | ||
|  |       try { | ||
|  |         query.sort([['a', 1], { 'b': 5 }]); | ||
|  |       } catch (err) { | ||
|  |         e = err; | ||
|  |       } | ||
|  |       assert.ok(e, 'uh oh. no error was thrown'); | ||
|  |       assert.equal(e.message, 'Invalid sort() argument, must be array of arrays'); | ||
|  | 
 | ||
|  |       query = mquery(); | ||
|  |       e = undefined; | ||
|  | 
 | ||
|  |       try { | ||
|  |         query.sort('a', 1, 'c', -1, 'b', 1); | ||
|  |       } catch (err) { | ||
|  |         e = err; | ||
|  |       } | ||
|  |       assert.ok(e, 'uh oh. no error was thrown'); | ||
|  |       assert.equal(e.message, 'Invalid sort() argument. Must be a string, object, or array.'); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('handles $meta sort options', function() { | ||
|  |       var query = mquery(); | ||
|  |       query.sort({ score: { $meta : 'textScore' } }); | ||
|  |       assert.deepEqual(query.options.sort, { score : { $meta : 'textScore' } }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('array syntax', function() { | ||
|  |       var query = mquery(); | ||
|  |       query.sort([['field', 1], ['test', -1]]); | ||
|  |       assert.deepEqual(query.options.sort, [['field', 1], ['test', -1]]); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('throws with mixed array/object syntax', function() { | ||
|  |       var query = mquery(); | ||
|  |       assert.throws(function() { | ||
|  |         query.sort({ field: 1 }).sort([['test', -1]]); | ||
|  |       }, /Can't mix sort syntaxes/); | ||
|  |       assert.throws(function() { | ||
|  |         query.sort([['field', 1]]).sort({ test: 1 }); | ||
|  |       }, /Can't mix sort syntaxes/); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('works with maps', function() { | ||
|  |       if (typeof Map === 'undefined') { | ||
|  |         return this.skip(); | ||
|  |       } | ||
|  |       var query = mquery(); | ||
|  |       query.sort(new Map().set('field', 1).set('test', -1)); | ||
|  |       assert.deepEqual(query.options.sort, new Map().set('field', 1).set('test', -1)); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   function simpleOption(type, options) { | ||
|  |     describe(type, function() { | ||
|  |       it('sets the ' + type + ' option', function() { | ||
|  |         var m = mquery()[type](2); | ||
|  |         var optionName = options.name || type; | ||
|  |         assert.equal(2, m.options[optionName]); | ||
|  |       }); | ||
|  |       it('is chainable', function() { | ||
|  |         var m = mquery(); | ||
|  |         assert.equal(m[type](3), m); | ||
|  |       }); | ||
|  | 
 | ||
|  |       if (!options.distinct) noDistinct(type); | ||
|  |       if (!options.count) no('count', type); | ||
|  |     }); | ||
|  |   } | ||
|  | 
 | ||
|  |   var negated = { | ||
|  |     limit: {distinct: false, count: true}, | ||
|  |     skip: {distinct: false, count: true}, | ||
|  |     maxScan: {distinct: false, count: false}, | ||
|  |     batchSize: {distinct: false, count: false}, | ||
|  |     maxTime: {distinct: true, count: true, name: 'maxTimeMS' }, | ||
|  |     comment: {distinct: false, count: false} | ||
|  |   }; | ||
|  |   Object.keys(negated).forEach(function(key) { | ||
|  |     simpleOption(key, negated[key]); | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('snapshot', function() { | ||
|  |     it('works', function() { | ||
|  |       var query; | ||
|  | 
 | ||
|  |       query = mquery(); | ||
|  |       query.snapshot(); | ||
|  |       assert.equal(true, query.options.snapshot); | ||
|  | 
 | ||
|  |       query = mquery(); | ||
|  |       query.snapshot(true); | ||
|  |       assert.equal(true, query.options.snapshot); | ||
|  | 
 | ||
|  |       query = mquery(); | ||
|  |       query.snapshot(false); | ||
|  |       assert.equal(false, query.options.snapshot); | ||
|  |     }); | ||
|  |     noDistinct('snapshot'); | ||
|  |     no('count', 'snapshot'); | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('hint', function() { | ||
|  |     it('accepts an object', function() { | ||
|  |       var query2 = mquery(); | ||
|  |       query2.hint({'a': 1, 'b': -1}); | ||
|  |       assert.deepEqual(query2.options.hint, {'a': 1, 'b': -1}); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('accepts a string', function() { | ||
|  |       var query2 = mquery(); | ||
|  |       query2.hint('a'); | ||
|  |       assert.deepEqual(query2.options.hint, 'a'); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('rejects everything else', function() { | ||
|  |       assert.throws(function() { | ||
|  |         mquery().hint(['c']); | ||
|  |       }, /Invalid hint./); | ||
|  |       assert.throws(function() { | ||
|  |         mquery().hint(1); | ||
|  |       }, /Invalid hint./); | ||
|  |     }); | ||
|  | 
 | ||
|  |     describe('does not have side affects', function() { | ||
|  |       it('on invalid arg', function() { | ||
|  |         var m = mquery(); | ||
|  |         try { | ||
|  |           m.hint(1); | ||
|  |         } catch (err) { | ||
|  |           // ignore
 | ||
|  |         } | ||
|  |         assert.equal(undefined, m.options.hint); | ||
|  |       }); | ||
|  |       it('on missing arg', function() { | ||
|  |         var m = mquery().hint(); | ||
|  |         assert.equal(undefined, m.options.hint); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     noDistinct('hint'); | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('j', function() { | ||
|  |     it('works', function() { | ||
|  |       var m = mquery().j(true); | ||
|  |       assert.equal(true, m.options.j); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('slaveOk', function() { | ||
|  |     it('works', function() { | ||
|  |       var query; | ||
|  | 
 | ||
|  |       query = mquery(); | ||
|  |       query.slaveOk(); | ||
|  |       assert.equal(true, query.options.slaveOk); | ||
|  | 
 | ||
|  |       query = mquery(); | ||
|  |       query.slaveOk(true); | ||
|  |       assert.equal(true, query.options.slaveOk); | ||
|  | 
 | ||
|  |       query = mquery(); | ||
|  |       query.slaveOk(false); | ||
|  |       assert.equal(false, query.options.slaveOk); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('read', function() { | ||
|  |     it('sets associated readPreference option', function() { | ||
|  |       var m = mquery(); | ||
|  |       m.read('p'); | ||
|  |       assert.equal('primary', m.options.readPreference); | ||
|  |     }); | ||
|  |     it('is chainable', function() { | ||
|  |       var m = mquery(); | ||
|  |       assert.equal(m, m.read('sp')); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('readConcern', function() { | ||
|  |     it('sets associated readConcern option', function() { | ||
|  |       var m; | ||
|  | 
 | ||
|  |       m = mquery(); | ||
|  |       m.readConcern('s'); | ||
|  |       assert.deepEqual({ level: 'snapshot' }, m.options.readConcern); | ||
|  | 
 | ||
|  |       m = mquery(); | ||
|  |       m.r('local'); | ||
|  |       assert.deepEqual({ level: 'local' }, m.options.readConcern); | ||
|  |     }); | ||
|  |     it('is chainable', function() { | ||
|  |       var m = mquery(); | ||
|  |       assert.equal(m, m.readConcern('lz')); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('tailable', function() { | ||
|  |     it('works', function() { | ||
|  |       var query; | ||
|  | 
 | ||
|  |       query = mquery(); | ||
|  |       query.tailable(); | ||
|  |       assert.equal(true, query.options.tailable); | ||
|  | 
 | ||
|  |       query = mquery(); | ||
|  |       query.tailable(true); | ||
|  |       assert.equal(true, query.options.tailable); | ||
|  | 
 | ||
|  |       query = mquery(); | ||
|  |       query.tailable(false); | ||
|  |       assert.equal(false, query.options.tailable); | ||
|  |     }); | ||
|  |     it('is chainable', function() { | ||
|  |       var m = mquery(); | ||
|  |       assert.equal(m, m.tailable()); | ||
|  |     }); | ||
|  |     noDistinct('tailable'); | ||
|  |     no('count', 'tailable'); | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('writeConcern', function() { | ||
|  |     it('sets associated writeConcern option', function() { | ||
|  |       var m; | ||
|  |       m = mquery(); | ||
|  |       m.writeConcern('majority'); | ||
|  |       assert.equal('majority', m.options.w); | ||
|  | 
 | ||
|  |       m = mquery(); | ||
|  |       m.writeConcern('m'); // m is alias of majority
 | ||
|  |       assert.equal('majority', m.options.w); | ||
|  | 
 | ||
|  |       m = mquery(); | ||
|  |       m.writeConcern(1); | ||
|  |       assert.equal(1, m.options.w); | ||
|  |     }); | ||
|  |     it('accepts object', function() { | ||
|  |       var m; | ||
|  | 
 | ||
|  |       m = mquery().writeConcern({ w: 'm', j: true, wtimeout: 1000 }); | ||
|  |       assert.equal('m', m.options.w); // check it does not convert m to majority
 | ||
|  |       assert.equal(true, m.options.j); | ||
|  |       assert.equal(1000, m.options.wtimeout); | ||
|  | 
 | ||
|  |       m = mquery().w('m').w({j: false, wtimeout: 0 }); | ||
|  |       assert.equal('majority', m.options.w); | ||
|  |       assert.strictEqual(false, m.options.j); | ||
|  |       assert.strictEqual(0, m.options.wtimeout); | ||
|  |     }); | ||
|  |     it('is chainable', function() { | ||
|  |       var m = mquery(); | ||
|  |       assert.equal(m, m.writeConcern('majority')); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   // query utilities
 | ||
|  | 
 | ||
|  |   describe('merge', function() { | ||
|  |     describe('with falsy arg', function() { | ||
|  |       it('returns itself', function() { | ||
|  |         var m = mquery(); | ||
|  |         assert.equal(m, m.merge()); | ||
|  |         assert.equal(m, m.merge(null)); | ||
|  |         assert.equal(m, m.merge(0)); | ||
|  |       }); | ||
|  |     }); | ||
|  |     describe('with an argument', function() { | ||
|  |       describe('that is not a query or plain object', function() { | ||
|  |         it('throws', function() { | ||
|  |           assert.throws(function() { | ||
|  |             mquery().merge([]); | ||
|  |           }, /Invalid argument/); | ||
|  |           assert.throws(function() { | ||
|  |             mquery().merge('merge'); | ||
|  |           }, /Invalid argument/); | ||
|  |           assert.doesNotThrow(function() { | ||
|  |             mquery().merge({}); | ||
|  |           }, /Invalid argument/); | ||
|  |         }); | ||
|  |       }); | ||
|  | 
 | ||
|  |       describe('that is a query', function() { | ||
|  |         it('merges conditions, field selection, and options', function() { | ||
|  |           var m = mquery({ x: 'hi' }, { select: 'x y', another: true }); | ||
|  |           var n = mquery().merge(m); | ||
|  |           assert.deepEqual(n._conditions, m._conditions); | ||
|  |           assert.deepEqual(n._fields, m._fields); | ||
|  |           assert.deepEqual(n.options, m.options); | ||
|  |         }); | ||
|  |         it('clones update arguments', function(done) { | ||
|  |           var original = { $set: { iTerm: true }}; | ||
|  |           var m = mquery().update(original); | ||
|  |           var n = mquery().merge(m); | ||
|  |           m.update({ $set: { x: 2 }}); | ||
|  |           assert.notDeepEqual(m._update, n._update); | ||
|  |           done(); | ||
|  |         }); | ||
|  |         it('is chainable', function() { | ||
|  |           var m = mquery({ x: 'hi' }); | ||
|  |           var n = mquery(); | ||
|  |           assert.equal(n, n.merge(m)); | ||
|  |         }); | ||
|  |       }); | ||
|  | 
 | ||
|  |       describe('that is an object', function() { | ||
|  |         it('merges', function() { | ||
|  |           var m = { x: 'hi' }; | ||
|  |           var n = mquery().merge(m); | ||
|  |           assert.deepEqual(n._conditions, { x: 'hi' }); | ||
|  |         }); | ||
|  |         it('clones update arguments', function(done) { | ||
|  |           var original = { $set: { iTerm: true }}; | ||
|  |           var m = mquery().update(original); | ||
|  |           var n = mquery().merge(original); | ||
|  |           m.update({ $set: { x: 2 }}); | ||
|  |           assert.notDeepEqual(m._update, n._update); | ||
|  |           done(); | ||
|  |         }); | ||
|  |         it('is chainable', function() { | ||
|  |           var m = { x: 'hi' }; | ||
|  |           var n = mquery(); | ||
|  |           assert.equal(n, n.merge(m)); | ||
|  |         }); | ||
|  |       }); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   // queries
 | ||
|  | 
 | ||
|  |   describe('find', function() { | ||
|  |     describe('with no callback', function() { | ||
|  |       it('does not execute', function() { | ||
|  |         var m = mquery(); | ||
|  |         assert.doesNotThrow(function() { | ||
|  |           m.find(); | ||
|  |         }); | ||
|  |         assert.doesNotThrow(function() { | ||
|  |           m.find({ x: 1 }); | ||
|  |         }); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('is chainable', function() { | ||
|  |       var m = mquery().find({ x: 1 }).find().find({ y: 2 }); | ||
|  |       assert.deepEqual(m._conditions, {x:1,y:2}); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('merges other queries', function() { | ||
|  |       var m = mquery({ name: 'mquery' }); | ||
|  |       m.tailable(); | ||
|  |       m.select('_id'); | ||
|  |       var a = mquery().find(m); | ||
|  |       assert.deepEqual(a._conditions, m._conditions); | ||
|  |       assert.deepEqual(a.options, m.options); | ||
|  |       assert.deepEqual(a._fields, m._fields); | ||
|  |     }); | ||
|  | 
 | ||
|  |     describe('executes', function() { | ||
|  |       before(function(done) { | ||
|  |         col.insert({ name: 'mquery' }, { safe: true }, done); | ||
|  |       }); | ||
|  | 
 | ||
|  |       after(function(done) { | ||
|  |         col.remove({ name: 'mquery' }, done); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('when criteria is passed with a callback', function(done) { | ||
|  |         mquery(col).find({ name: 'mquery' }, function(err, docs) { | ||
|  |           assert.ifError(err); | ||
|  |           assert.equal(1, docs.length); | ||
|  |           done(); | ||
|  |         }); | ||
|  |       }); | ||
|  |       it('when Query is passed with a callback', function(done) { | ||
|  |         var m = mquery({ name: 'mquery' }); | ||
|  |         mquery(col).find(m, function(err, docs) { | ||
|  |           assert.ifError(err); | ||
|  |           assert.equal(1, docs.length); | ||
|  |           done(); | ||
|  |         }); | ||
|  |       }); | ||
|  |       it('when just a callback is passed', function(done) { | ||
|  |         mquery({ name: 'mquery' }).collection(col).find(function(err, docs) { | ||
|  |           assert.ifError(err); | ||
|  |           assert.equal(1, docs.length); | ||
|  |           done(); | ||
|  |         }); | ||
|  |       }); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('findOne', function() { | ||
|  |     describe('with no callback', function() { | ||
|  |       it('does not execute', function() { | ||
|  |         var m = mquery(); | ||
|  |         assert.doesNotThrow(function() { | ||
|  |           m.findOne(); | ||
|  |         }); | ||
|  |         assert.doesNotThrow(function() { | ||
|  |           m.findOne({ x: 1 }); | ||
|  |         }); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('is chainable', function() { | ||
|  |       var m = mquery(); | ||
|  |       var n = m.findOne({ x: 1 }).findOne().findOne({ y: 2 }); | ||
|  |       assert.equal(m, n); | ||
|  |       assert.deepEqual(m._conditions, {x:1,y:2}); | ||
|  |       assert.equal('findOne', m.op); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('merges other queries', function() { | ||
|  |       var m = mquery({ name: 'mquery' }); | ||
|  |       m.read('nearest'); | ||
|  |       m.select('_id'); | ||
|  |       var a = mquery().findOne(m); | ||
|  |       assert.deepEqual(a._conditions, m._conditions); | ||
|  |       assert.deepEqual(a.options, m.options); | ||
|  |       assert.deepEqual(a._fields, m._fields); | ||
|  |     }); | ||
|  | 
 | ||
|  |     describe('executes', function() { | ||
|  |       before(function(done) { | ||
|  |         col.insert({ name: 'mquery findone' }, { safe: true }, done); | ||
|  |       }); | ||
|  | 
 | ||
|  |       after(function(done) { | ||
|  |         col.remove({ name: 'mquery findone' }, done); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('when criteria is passed with a callback', function(done) { | ||
|  |         mquery(col).findOne({ name: 'mquery findone' }, function(err, doc) { | ||
|  |           assert.ifError(err); | ||
|  |           assert.ok(doc); | ||
|  |           assert.equal('mquery findone', doc.name); | ||
|  |           done(); | ||
|  |         }); | ||
|  |       }); | ||
|  |       it('when Query is passed with a callback', function(done) { | ||
|  |         var m = mquery(col).where({ name: 'mquery findone' }); | ||
|  |         mquery(col).findOne(m, function(err, doc) { | ||
|  |           assert.ifError(err); | ||
|  |           assert.ok(doc); | ||
|  |           assert.equal('mquery findone', doc.name); | ||
|  |           done(); | ||
|  |         }); | ||
|  |       }); | ||
|  |       it('when just a callback is passed', function(done) { | ||
|  |         mquery({ name: 'mquery findone' }).collection(col).findOne(function(err, doc) { | ||
|  |           assert.ifError(err); | ||
|  |           assert.ok(doc); | ||
|  |           assert.equal('mquery findone', doc.name); | ||
|  |           done(); | ||
|  |         }); | ||
|  |       }); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('count', function() { | ||
|  |     describe('with no callback', function() { | ||
|  |       it('does not execute', function() { | ||
|  |         var m = mquery(); | ||
|  |         assert.doesNotThrow(function() { | ||
|  |           m.count(); | ||
|  |         }); | ||
|  |         assert.doesNotThrow(function() { | ||
|  |           m.count({ x: 1 }); | ||
|  |         }); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('is chainable', function() { | ||
|  |       var m = mquery(); | ||
|  |       var n = m.count({ x: 1 }).count().count({ y: 2 }); | ||
|  |       assert.equal(m, n); | ||
|  |       assert.deepEqual(m._conditions, {x:1,y:2}); | ||
|  |       assert.equal('count', m.op); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('merges other queries', function() { | ||
|  |       var m = mquery({ name: 'mquery' }); | ||
|  |       m.read('nearest'); | ||
|  |       m.select('_id'); | ||
|  |       var a = mquery().count(m); | ||
|  |       assert.deepEqual(a._conditions, m._conditions); | ||
|  |       assert.deepEqual(a.options, m.options); | ||
|  |       assert.deepEqual(a._fields, m._fields); | ||
|  |     }); | ||
|  | 
 | ||
|  |     describe('executes', function() { | ||
|  |       before(function(done) { | ||
|  |         col.insert({ name: 'mquery count' }, { safe: true }, done); | ||
|  |       }); | ||
|  | 
 | ||
|  |       after(function(done) { | ||
|  |         col.remove({ name: 'mquery count' }, done); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('when criteria is passed with a callback', function(done) { | ||
|  |         mquery(col).count({ name: 'mquery count' }, function(err, count) { | ||
|  |           assert.ifError(err); | ||
|  |           assert.ok(count); | ||
|  |           assert.ok(1 === count); | ||
|  |           done(); | ||
|  |         }); | ||
|  |       }); | ||
|  |       it('when Query is passed with a callback', function(done) { | ||
|  |         var m = mquery({ name: 'mquery count' }); | ||
|  |         mquery(col).count(m, function(err, count) { | ||
|  |           assert.ifError(err); | ||
|  |           assert.ok(count); | ||
|  |           assert.ok(1 === count); | ||
|  |           done(); | ||
|  |         }); | ||
|  |       }); | ||
|  |       it('when just a callback is passed', function(done) { | ||
|  |         mquery({ name: 'mquery count' }).collection(col).count(function(err, count) { | ||
|  |           assert.ifError(err); | ||
|  |           assert.ok(1 === count); | ||
|  |           done(); | ||
|  |         }); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     describe('validates its option', function() { | ||
|  |       it('sort', function(done) { | ||
|  |         assert.doesNotThrow(function() { | ||
|  |           mquery().sort('x').count(); | ||
|  |         }); | ||
|  |         done(); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('select', function(done) { | ||
|  |         assert.throws(function() { | ||
|  |           mquery().select('x').count(); | ||
|  |         }, /field selection and slice cannot be used with count/); | ||
|  |         done(); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('slice', function(done) { | ||
|  |         assert.throws(function() { | ||
|  |           mquery().where('x').slice(-3).count(); | ||
|  |         }, /field selection and slice cannot be used with count/); | ||
|  |         done(); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('limit', function(done) { | ||
|  |         assert.doesNotThrow(function() { | ||
|  |           mquery().limit(3).count(); | ||
|  |         }); | ||
|  |         done(); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('skip', function(done) { | ||
|  |         assert.doesNotThrow(function() { | ||
|  |           mquery().skip(3).count(); | ||
|  |         }); | ||
|  |         done(); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('batchSize', function(done) { | ||
|  |         assert.throws(function() { | ||
|  |           mquery({}, { batchSize: 3 }).count(); | ||
|  |         }, /batchSize cannot be used with count/); | ||
|  |         done(); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('comment', function(done) { | ||
|  |         assert.throws(function() { | ||
|  |           mquery().comment('mquery').count(); | ||
|  |         }, /comment cannot be used with count/); | ||
|  |         done(); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('maxScan', function(done) { | ||
|  |         assert.throws(function() { | ||
|  |           mquery().maxScan(300).count(); | ||
|  |         }, /maxScan cannot be used with count/); | ||
|  |         done(); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('snapshot', function(done) { | ||
|  |         assert.throws(function() { | ||
|  |           mquery().snapshot().count(); | ||
|  |         }, /snapshot cannot be used with count/); | ||
|  |         done(); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('tailable', function(done) { | ||
|  |         assert.throws(function() { | ||
|  |           mquery().tailable().count(); | ||
|  |         }, /tailable cannot be used with count/); | ||
|  |         done(); | ||
|  |       }); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('distinct', function() { | ||
|  |     describe('with no callback', function() { | ||
|  |       it('does not execute', function() { | ||
|  |         var m = mquery(); | ||
|  |         assert.doesNotThrow(function() { | ||
|  |           m.distinct(); | ||
|  |         }); | ||
|  |         assert.doesNotThrow(function() { | ||
|  |           m.distinct('name'); | ||
|  |         }); | ||
|  |         assert.doesNotThrow(function() { | ||
|  |           m.distinct({ name: 'mquery distinct' }); | ||
|  |         }); | ||
|  |         assert.doesNotThrow(function() { | ||
|  |           m.distinct({ name: 'mquery distinct' }, 'name'); | ||
|  |         }); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('is chainable', function() { | ||
|  |       var m = mquery({x:1}).distinct('name'); | ||
|  |       var n = m.distinct({y:2}); | ||
|  |       assert.equal(m, n); | ||
|  |       assert.deepEqual(n._conditions, {x:1, y:2}); | ||
|  |       assert.equal('name', n._distinct); | ||
|  |       assert.equal('distinct', n.op); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('overwrites field', function() { | ||
|  |       var m = mquery({ name: 'mquery' }).distinct('name'); | ||
|  |       m.distinct('rename'); | ||
|  |       assert.equal(m._distinct, 'rename'); | ||
|  |       m.distinct({x:1}, 'renamed'); | ||
|  |       assert.equal(m._distinct, 'renamed'); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('merges other queries', function() { | ||
|  |       var m = mquery().distinct({ name: 'mquery' }, 'age'); | ||
|  |       m.read('nearest'); | ||
|  |       var a = mquery().distinct(m); | ||
|  |       assert.deepEqual(a._conditions, m._conditions); | ||
|  |       assert.deepEqual(a.options, m.options); | ||
|  |       assert.deepEqual(a._fields, m._fields); | ||
|  |       assert.deepEqual(a._distinct, m._distinct); | ||
|  |     }); | ||
|  | 
 | ||
|  |     describe('executes', function() { | ||
|  |       before(function(done) { | ||
|  |         col.insert({ name: 'mquery distinct', age: 1 }, { safe: true }, done); | ||
|  |       }); | ||
|  | 
 | ||
|  |       after(function(done) { | ||
|  |         col.remove({ name: 'mquery distinct' }, done); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('when distinct arg is passed with a callback', function(done) { | ||
|  |         mquery(col).distinct('distinct', function(err, doc) { | ||
|  |           assert.ifError(err); | ||
|  |           assert.ok(doc); | ||
|  |           done(); | ||
|  |         }); | ||
|  |       }); | ||
|  |       describe('when criteria is passed with a callback', function() { | ||
|  |         it('if distinct arg was declared', function(done) { | ||
|  |           mquery(col).distinct('age').distinct({ name: 'mquery distinct' }, function(err, doc) { | ||
|  |             assert.ifError(err); | ||
|  |             assert.ok(doc); | ||
|  |             done(); | ||
|  |           }); | ||
|  |         }); | ||
|  |         it('but not if distinct arg was not declared', function() { | ||
|  |           assert.throws(function() { | ||
|  |             mquery(col).distinct({ name: 'mquery distinct' }, function() {}); | ||
|  |           }, /No value for `distinct`/); | ||
|  |         }); | ||
|  |       }); | ||
|  |       describe('when Query is passed with a callback', function() { | ||
|  |         var m = mquery({ name: 'mquery distinct' }); | ||
|  |         it('if distinct arg was declared', function(done) { | ||
|  |           mquery(col).distinct('age').distinct(m, function(err, doc) { | ||
|  |             assert.ifError(err); | ||
|  |             assert.ok(doc); | ||
|  |             done(); | ||
|  |           }); | ||
|  |         }); | ||
|  |         it('but not if distinct arg was not declared', function() { | ||
|  |           assert.throws(function() { | ||
|  |             mquery(col).distinct(m, function() {}); | ||
|  |           }, /No value for `distinct`/); | ||
|  |         }); | ||
|  |       }); | ||
|  |       describe('when just a callback is passed', function() { | ||
|  |         it('if distinct arg was declared', function(done) { | ||
|  |           var m = mquery({ name: 'mquery distinct' }); | ||
|  |           m.collection(col); | ||
|  |           m.distinct('age'); | ||
|  |           m.distinct(function(err, doc) { | ||
|  |             assert.ifError(err); | ||
|  |             assert.ok(doc); | ||
|  |             done(); | ||
|  |           }); | ||
|  |         }); | ||
|  |         it('but not if no distinct arg was declared', function() { | ||
|  |           var m = mquery(); | ||
|  |           m.collection(col); | ||
|  |           assert.throws(function() { | ||
|  |             m.distinct(function() {}); | ||
|  |           }, /No value for `distinct`/); | ||
|  |         }); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     describe('validates its option', function() { | ||
|  |       it('sort', function(done) { | ||
|  |         assert.throws(function() { | ||
|  |           mquery().sort('x').distinct(); | ||
|  |         }, /sort cannot be used with distinct/); | ||
|  |         done(); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('select', function(done) { | ||
|  |         assert.throws(function() { | ||
|  |           mquery().select('x').distinct(); | ||
|  |         }, /field selection and slice cannot be used with distinct/); | ||
|  |         done(); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('slice', function(done) { | ||
|  |         assert.throws(function() { | ||
|  |           mquery().where('x').slice(-3).distinct(); | ||
|  |         }, /field selection and slice cannot be used with distinct/); | ||
|  |         done(); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('limit', function(done) { | ||
|  |         assert.throws(function() { | ||
|  |           mquery().limit(3).distinct(); | ||
|  |         }, /limit cannot be used with distinct/); | ||
|  |         done(); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('skip', function(done) { | ||
|  |         assert.throws(function() { | ||
|  |           mquery().skip(3).distinct(); | ||
|  |         }, /skip cannot be used with distinct/); | ||
|  |         done(); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('batchSize', function(done) { | ||
|  |         assert.throws(function() { | ||
|  |           mquery({}, { batchSize: 3 }).distinct(); | ||
|  |         }, /batchSize cannot be used with distinct/); | ||
|  |         done(); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('comment', function(done) { | ||
|  |         assert.throws(function() { | ||
|  |           mquery().comment('mquery').distinct(); | ||
|  |         }, /comment cannot be used with distinct/); | ||
|  |         done(); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('maxScan', function(done) { | ||
|  |         assert.throws(function() { | ||
|  |           mquery().maxScan(300).distinct(); | ||
|  |         }, /maxScan cannot be used with distinct/); | ||
|  |         done(); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('snapshot', function(done) { | ||
|  |         assert.throws(function() { | ||
|  |           mquery().snapshot().distinct(); | ||
|  |         }, /snapshot cannot be used with distinct/); | ||
|  |         done(); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('hint', function(done) { | ||
|  |         assert.throws(function() { | ||
|  |           mquery().hint({ x: 1 }).distinct(); | ||
|  |         }, /hint cannot be used with distinct/); | ||
|  |         done(); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('tailable', function(done) { | ||
|  |         assert.throws(function() { | ||
|  |           mquery().tailable().distinct(); | ||
|  |         }, /tailable cannot be used with distinct/); | ||
|  |         done(); | ||
|  |       }); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('update', function() { | ||
|  |     describe('with no callback', function() { | ||
|  |       it('does not execute', function() { | ||
|  |         var m = mquery(); | ||
|  |         assert.doesNotThrow(function() { | ||
|  |           m.update({ name: 'old' }, { name: 'updated' }, { multi: true }); | ||
|  |         }); | ||
|  |         assert.doesNotThrow(function() { | ||
|  |           m.update({ name: 'old' }, { name: 'updated' }); | ||
|  |         }); | ||
|  |         assert.doesNotThrow(function() { | ||
|  |           m.update({ name: 'updated' }); | ||
|  |         }); | ||
|  |         assert.doesNotThrow(function() { | ||
|  |           m.update(); | ||
|  |         }); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('is chainable', function() { | ||
|  |       var m = mquery({x:1}).update({ y: 2 }); | ||
|  |       var n = m.where({y:2}); | ||
|  |       assert.equal(m, n); | ||
|  |       assert.deepEqual(n._conditions, {x:1, y:2}); | ||
|  |       assert.deepEqual({ y: 2 }, n._update); | ||
|  |       assert.equal('update', n.op); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('merges update doc arg', function() { | ||
|  |       var a = [1,2]; | ||
|  |       var m = mquery().where({ name: 'mquery' }).update({ x: 'stuff', a: a }); | ||
|  |       m.update({ z: 'stuff' }); | ||
|  |       assert.deepEqual(m._update, { z: 'stuff', x: 'stuff', a: a }); | ||
|  |       assert.deepEqual(m._conditions, { name: 'mquery' }); | ||
|  |       assert.ok(!m.options.overwrite); | ||
|  |       m.update({}, { z: 'renamed' }, { overwrite: true }); | ||
|  |       assert.ok(m.options.overwrite === true); | ||
|  |       assert.deepEqual(m._conditions, { name: 'mquery' }); | ||
|  |       assert.deepEqual(m._update, { z: 'renamed', x: 'stuff', a: a }); | ||
|  |       a.push(3); | ||
|  |       assert.notDeepEqual(m._update, { z: 'renamed', x: 'stuff', a: a }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('merges other options', function() { | ||
|  |       var m = mquery(); | ||
|  |       m.setOptions({ overwrite: true }); | ||
|  |       m.update({ age: 77 }, { name: 'pagemill' }, { multi: true }); | ||
|  |       assert.deepEqual({ age: 77 }, m._conditions); | ||
|  |       assert.deepEqual({ name: 'pagemill' }, m._update); | ||
|  |       assert.deepEqual({ overwrite: true, multi: true }, m.options); | ||
|  |     }); | ||
|  | 
 | ||
|  |     describe('executes', function() { | ||
|  |       var id; | ||
|  |       before(function(done) { | ||
|  |         col.insert({ name: 'mquery update', age: 1 }, { safe: true }, function(err, res) { | ||
|  |           id = res.insertedIds[0]; | ||
|  |           done(); | ||
|  |         }); | ||
|  |       }); | ||
|  | 
 | ||
|  |       after(function(done) { | ||
|  |         col.remove({ _id: id }, done); | ||
|  |       }); | ||
|  | 
 | ||
|  |       describe('when conds + doc + opts + callback passed', function() { | ||
|  |         it('works', function(done) { | ||
|  |           var m = mquery(col).where({ _id: id }); | ||
|  |           m.update({}, { name: 'Sparky' }, { safe: true }, function(err, res) { | ||
|  |             assert.ifError(err); | ||
|  |             assert.equal(res.result.n, 1); | ||
|  |             m.findOne(function(err, doc) { | ||
|  |               assert.ifError(err); | ||
|  |               assert.equal(doc.name, 'Sparky'); | ||
|  |               done(); | ||
|  |             }); | ||
|  |           }); | ||
|  |         }); | ||
|  |       }); | ||
|  | 
 | ||
|  |       describe('when conds + doc + callback passed', function() { | ||
|  |         it('works', function(done) { | ||
|  |           var m = mquery(col).update({ _id: id }, { name: 'fairgrounds' }, function(err, num) { | ||
|  |             assert.ifError(err); | ||
|  |             assert.ok(1, num); | ||
|  |             m.findOne(function(err, doc) { | ||
|  |               assert.ifError(err); | ||
|  |               assert.equal(doc.name, 'fairgrounds'); | ||
|  |               done(); | ||
|  |             }); | ||
|  |           }); | ||
|  |         }); | ||
|  |       }); | ||
|  | 
 | ||
|  |       describe('when doc + callback passed', function() { | ||
|  |         it('works', function(done) { | ||
|  |           var m = mquery(col).where({ _id: id }).update({ name: 'changed' }, function(err, num) { | ||
|  |             assert.ifError(err); | ||
|  |             assert.ok(1, num); | ||
|  |             m.findOne(function(err, doc) { | ||
|  |               assert.ifError(err); | ||
|  |               assert.equal(doc.name, 'changed'); | ||
|  |               done(); | ||
|  |             }); | ||
|  |           }); | ||
|  |         }); | ||
|  |       }); | ||
|  | 
 | ||
|  |       describe('when just callback passed', function() { | ||
|  |         it('works', function(done) { | ||
|  |           var m = mquery(col).where({ _id: id }); | ||
|  |           m.setOptions({ safe: true }); | ||
|  |           m.update({ name: 'Frankenweenie' }); | ||
|  |           m.update(function(err, res) { | ||
|  |             assert.ifError(err); | ||
|  |             assert.equal(res.result.n, 1); | ||
|  |             m.findOne(function(err, doc) { | ||
|  |               assert.ifError(err); | ||
|  |               assert.equal(doc.name, 'Frankenweenie'); | ||
|  |               done(); | ||
|  |             }); | ||
|  |           }); | ||
|  |         }); | ||
|  |       }); | ||
|  | 
 | ||
|  |       describe('without a callback', function() { | ||
|  |         it('when forced by exec()', function(done) { | ||
|  |           var m = mquery(col).where({ _id: id }); | ||
|  |           m.setOptions({ safe: true, multi: true }); | ||
|  |           m.update({ name: 'forced' }); | ||
|  | 
 | ||
|  |           var update = m._collection.update; | ||
|  |           m._collection.update = function(conds, doc, opts) { | ||
|  |             m._collection.update = update; | ||
|  | 
 | ||
|  |             assert.ok(opts.safe); | ||
|  |             assert.ok(true === opts.multi); | ||
|  |             assert.equal('forced', doc.$set.name); | ||
|  |             done(); | ||
|  |           }; | ||
|  | 
 | ||
|  |           m.exec(); | ||
|  |         }); | ||
|  |       }); | ||
|  | 
 | ||
|  |       describe('except when update doc is empty and missing overwrite flag', function() { | ||
|  |         it('works', function(done) { | ||
|  |           var m = mquery(col).where({ _id: id }); | ||
|  |           m.setOptions({ safe: true }); | ||
|  |           m.update({ }, function(err, num) { | ||
|  |             assert.ifError(err); | ||
|  |             assert.ok(0 === num); | ||
|  |             setTimeout(function() { | ||
|  |               m.findOne(function(err, doc) { | ||
|  |                 assert.ifError(err); | ||
|  |                 assert.equal(3, mquery.utils.keys(doc).length); | ||
|  |                 assert.equal(id, doc._id.toString()); | ||
|  |                 assert.equal('Frankenweenie', doc.name); | ||
|  |                 done(); | ||
|  |               }); | ||
|  |             }, 300); | ||
|  |           }); | ||
|  |         }); | ||
|  |       }); | ||
|  | 
 | ||
|  |       describe('when update doc is set with overwrite flag', function() { | ||
|  |         it('works', function(done) { | ||
|  |           var m = mquery(col).where({ _id: id }); | ||
|  |           m.setOptions({ safe: true, overwrite: true }); | ||
|  |           m.update({ all: 'yep', two: 2 }, function(err, res) { | ||
|  |             assert.ifError(err); | ||
|  |             assert.equal(res.result.n, 1); | ||
|  |             m.findOne(function(err, doc) { | ||
|  |               assert.ifError(err); | ||
|  |               assert.equal(3, mquery.utils.keys(doc).length); | ||
|  |               assert.equal('yep', doc.all); | ||
|  |               assert.equal(2, doc.two); | ||
|  |               assert.equal(id, doc._id.toString()); | ||
|  |               done(); | ||
|  |             }); | ||
|  |           }); | ||
|  |         }); | ||
|  |       }); | ||
|  | 
 | ||
|  |       describe('when update doc is empty with overwrite flag', function() { | ||
|  |         it('works', function(done) { | ||
|  |           var m = mquery(col).where({ _id: id }); | ||
|  |           m.setOptions({ safe: true, overwrite: true }); | ||
|  |           m.update({ }, function(err, res) { | ||
|  |             assert.ifError(err); | ||
|  |             assert.equal(res.result.n, 1); | ||
|  |             m.findOne(function(err, doc) { | ||
|  |               assert.ifError(err); | ||
|  |               assert.equal(1, mquery.utils.keys(doc).length); | ||
|  |               assert.equal(id, doc._id.toString()); | ||
|  |               done(); | ||
|  |             }); | ||
|  |           }); | ||
|  |         }); | ||
|  |       }); | ||
|  | 
 | ||
|  |       describe('when boolean (true) - exec()', function() { | ||
|  |         it('works', function(done) { | ||
|  |           var m = mquery(col).where({ _id: id }); | ||
|  |           m.update({ name: 'bool' }).update(true); | ||
|  |           setTimeout(function() { | ||
|  |             m.findOne(function(err, doc) { | ||
|  |               assert.ifError(err); | ||
|  |               assert.ok(doc); | ||
|  |               assert.equal('bool', doc.name); | ||
|  |               done(); | ||
|  |             }); | ||
|  |           }, 300); | ||
|  |         }); | ||
|  |       }); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('remove', function() { | ||
|  |     describe('with 0 args', function() { | ||
|  |       var name = 'remove: no args test'; | ||
|  |       before(function(done) { | ||
|  |         col.insert({ name: name }, { safe: true }, done); | ||
|  |       }); | ||
|  |       after(function(done) { | ||
|  |         col.remove({ name: name }, { safe: true }, done); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('does not execute', function(done) { | ||
|  |         var remove = col.remove; | ||
|  |         col.remove = function() { | ||
|  |           col.remove = remove; | ||
|  |           done(new Error('remove executed!')); | ||
|  |         }; | ||
|  | 
 | ||
|  |         mquery(col).where({ name: name }).remove(); | ||
|  |         setTimeout(function() { | ||
|  |           col.remove = remove; | ||
|  |           done(); | ||
|  |         }, 10); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('chains', function() { | ||
|  |         var m = mquery(); | ||
|  |         assert.equal(m, m.remove()); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     describe('with 1 argument', function() { | ||
|  |       var name = 'remove: 1 arg test'; | ||
|  |       before(function(done) { | ||
|  |         col.insert({ name: name }, { safe: true }, done); | ||
|  |       }); | ||
|  |       after(function(done) { | ||
|  |         col.remove({ name: name }, { safe: true }, done); | ||
|  |       }); | ||
|  | 
 | ||
|  |       describe('that is a', function() { | ||
|  |         it('plain object', function() { | ||
|  |           var m = mquery(col).remove({ name: 'Whiskers' }); | ||
|  |           m.remove({ color: '#fff' }); | ||
|  |           assert.deepEqual({ name: 'Whiskers', color: '#fff' }, m._conditions); | ||
|  |         }); | ||
|  | 
 | ||
|  |         it('query', function() { | ||
|  |           var q = mquery({ color: '#fff' }); | ||
|  |           var m = mquery(col).remove({ name: 'Whiskers' }); | ||
|  |           m.remove(q); | ||
|  |           assert.deepEqual({ name: 'Whiskers', color: '#fff' }, m._conditions); | ||
|  |         }); | ||
|  | 
 | ||
|  |         it('function', function(done) { | ||
|  |           mquery(col, { safe: true }).where({name: name}).remove(function(err) { | ||
|  |             assert.ifError(err); | ||
|  |             mquery(col).findOne({ name: name }, function(err, doc) { | ||
|  |               assert.ifError(err); | ||
|  |               assert.equal(null, doc); | ||
|  |               done(); | ||
|  |             }); | ||
|  |           }); | ||
|  |         }); | ||
|  | 
 | ||
|  |         it('boolean (true) - execute', function(done) { | ||
|  |           col.insert({ name: name }, { safe: true }, function(err) { | ||
|  |             assert.ifError(err); | ||
|  |             mquery(col).findOne({ name: name }, function(err, doc) { | ||
|  |               assert.ifError(err); | ||
|  |               assert.ok(doc); | ||
|  |               mquery(col).remove(true); | ||
|  |               setTimeout(function() { | ||
|  |                 mquery(col).find(function(err, docs) { | ||
|  |                   assert.ifError(err); | ||
|  |                   assert.ok(docs); | ||
|  |                   assert.equal(0, docs.length); | ||
|  |                   done(); | ||
|  |                 }); | ||
|  |               }, 300); | ||
|  |             }); | ||
|  |           }); | ||
|  |         }); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     describe('with 2 arguments', function() { | ||
|  |       var name = 'remove: 2 arg test'; | ||
|  |       beforeEach(function(done) { | ||
|  |         col.remove({}, { safe: true }, function(err) { | ||
|  |           assert.ifError(err); | ||
|  |           col.insert([{ name: 'shelly' }, { name: name }], { safe: true }, function(err) { | ||
|  |             assert.ifError(err); | ||
|  |             mquery(col).find(function(err, docs) { | ||
|  |               assert.ifError(err); | ||
|  |               assert.equal(2, docs.length); | ||
|  |               done(); | ||
|  |             }); | ||
|  |           }); | ||
|  |         }); | ||
|  |       }); | ||
|  | 
 | ||
|  |       describe('plain object + callback', function() { | ||
|  |         it('works', function(done) { | ||
|  |           mquery(col).remove({ name: name }, function(err) { | ||
|  |             assert.ifError(err); | ||
|  |             mquery(col).find(function(err, docs) { | ||
|  |               assert.ifError(err); | ||
|  |               assert.ok(docs); | ||
|  |               assert.equal(1, docs.length); | ||
|  |               assert.equal('shelly', docs[0].name); | ||
|  |               done(); | ||
|  |             }); | ||
|  |           }); | ||
|  |         }); | ||
|  |       }); | ||
|  | 
 | ||
|  |       describe('mquery + callback', function() { | ||
|  |         it('works', function(done) { | ||
|  |           var m = mquery({ name: name }); | ||
|  |           mquery(col).remove(m, function(err) { | ||
|  |             assert.ifError(err); | ||
|  |             mquery(col).find(function(err, docs) { | ||
|  |               assert.ifError(err); | ||
|  |               assert.ok(docs); | ||
|  |               assert.equal(1, docs.length); | ||
|  |               assert.equal('shelly', docs[0].name); | ||
|  |               done(); | ||
|  |             }); | ||
|  |           }); | ||
|  |         }); | ||
|  |       }); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   function validateFindAndModifyOptions(method) { | ||
|  |     describe('validates its option', function() { | ||
|  |       it('sort', function(done) { | ||
|  |         assert.doesNotThrow(function() { | ||
|  |           mquery().sort('x')[method](); | ||
|  |         }); | ||
|  |         done(); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('select', function(done) { | ||
|  |         assert.doesNotThrow(function() { | ||
|  |           mquery().select('x')[method](); | ||
|  |         }); | ||
|  |         done(); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('limit', function(done) { | ||
|  |         assert.throws(function() { | ||
|  |           mquery().limit(3)[method](); | ||
|  |         }, new RegExp('limit cannot be used with ' + method)); | ||
|  |         done(); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('skip', function(done) { | ||
|  |         assert.throws(function() { | ||
|  |           mquery().skip(3)[method](); | ||
|  |         }, new RegExp('skip cannot be used with ' + method)); | ||
|  |         done(); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('batchSize', function(done) { | ||
|  |         assert.throws(function() { | ||
|  |           mquery({}, { batchSize: 3 })[method](); | ||
|  |         }, new RegExp('batchSize cannot be used with ' + method)); | ||
|  |         done(); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('maxScan', function(done) { | ||
|  |         assert.throws(function() { | ||
|  |           mquery().maxScan(300)[method](); | ||
|  |         }, new RegExp('maxScan cannot be used with ' + method)); | ||
|  |         done(); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('snapshot', function(done) { | ||
|  |         assert.throws(function() { | ||
|  |           mquery().snapshot()[method](); | ||
|  |         }, new RegExp('snapshot cannot be used with ' + method)); | ||
|  |         done(); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('hint', function(done) { | ||
|  |         assert.throws(function() { | ||
|  |           mquery().hint({ x: 1 })[method](); | ||
|  |         }, new RegExp('hint cannot be used with ' + method)); | ||
|  |         done(); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('tailable', function(done) { | ||
|  |         assert.throws(function() { | ||
|  |           mquery().tailable()[method](); | ||
|  |         }, new RegExp('tailable cannot be used with ' + method)); | ||
|  |         done(); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('comment', function(done) { | ||
|  |         assert.throws(function() { | ||
|  |           mquery().comment('mquery')[method](); | ||
|  |         }, new RegExp('comment cannot be used with ' + method)); | ||
|  |         done(); | ||
|  |       }); | ||
|  |     }); | ||
|  |   } | ||
|  | 
 | ||
|  |   describe('findOneAndUpdate', function() { | ||
|  |     var name = 'findOneAndUpdate + fn'; | ||
|  | 
 | ||
|  |     validateFindAndModifyOptions('findOneAndUpdate'); | ||
|  | 
 | ||
|  |     describe('with 0 args', function() { | ||
|  |       it('makes no changes', function() { | ||
|  |         var m = mquery(); | ||
|  |         var n = m.findOneAndUpdate(); | ||
|  |         assert.deepEqual(m, n); | ||
|  |       }); | ||
|  |     }); | ||
|  |     describe('with 1 arg', function() { | ||
|  |       describe('that is an object', function() { | ||
|  |         it('updates the doc', function() { | ||
|  |           var m = mquery(); | ||
|  |           var n = m.findOneAndUpdate({ $set: { name: '1 arg' }}); | ||
|  |           assert.deepEqual(n._update, { $set: { name: '1 arg' }}); | ||
|  |         }); | ||
|  |       }); | ||
|  |       describe('that is a query', function() { | ||
|  |         it('updates the doc', function() { | ||
|  |           var m = mquery({ name: name }).update({ x: 1 }); | ||
|  |           var n = mquery().findOneAndUpdate(m); | ||
|  |           assert.deepEqual(n._update, { x: 1 }); | ||
|  |         }); | ||
|  |       }); | ||
|  |       it('that is a function', function(done) { | ||
|  |         col.insert({ name: name }, { safe: true }, function(err) { | ||
|  |           assert.ifError(err); | ||
|  |           var m = mquery({ name: name }).collection(col); | ||
|  |           name = '1 arg'; | ||
|  |           var n = m.update({ $set: { name: name }}); | ||
|  |           n.findOneAndUpdate(function(err, res) { | ||
|  |             assert.ifError(err); | ||
|  |             assert.ok(res.value); | ||
|  |             assert.equal(name, res.value.name); | ||
|  |             done(); | ||
|  |           }); | ||
|  |         }); | ||
|  |       }); | ||
|  |     }); | ||
|  |     describe('with 2 args', function() { | ||
|  |       it('conditions + update', function() { | ||
|  |         var m = mquery(col); | ||
|  |         m.findOneAndUpdate({ name: name }, { age: 100 }); | ||
|  |         assert.deepEqual({ name: name }, m._conditions); | ||
|  |         assert.deepEqual({ age: 100 }, m._update); | ||
|  |       }); | ||
|  |       it('query + update', function() { | ||
|  |         var n = mquery({ name: name }); | ||
|  |         var m = mquery(col); | ||
|  |         m.findOneAndUpdate(n, { age: 100 }); | ||
|  |         assert.deepEqual({ name: name }, m._conditions); | ||
|  |         assert.deepEqual({ age: 100 }, m._update); | ||
|  |       }); | ||
|  |       it('update + callback', function(done) { | ||
|  |         var m = mquery(col).where({ name: name }); | ||
|  |         m.findOneAndUpdate({}, { $inc: { age: 10 }}, { new: true }, function(err, res) { | ||
|  |           assert.ifError(err); | ||
|  |           assert.equal(10, res.value.age); | ||
|  |           done(); | ||
|  |         }); | ||
|  |       }); | ||
|  |     }); | ||
|  |     describe('with 3 args', function() { | ||
|  |       it('conditions + update + options', function() { | ||
|  |         var m = mquery(); | ||
|  |         var n = m.findOneAndUpdate({ name: name }, { works: true }, { new: false }); | ||
|  |         assert.deepEqual({ name: name}, n._conditions); | ||
|  |         assert.deepEqual({ works: true }, n._update); | ||
|  |         assert.deepEqual({ new: false }, n.options); | ||
|  |       }); | ||
|  |       it('conditions + update + callback', function(done) { | ||
|  |         var m = mquery(col); | ||
|  |         m.findOneAndUpdate({ name: name }, { works: true }, { new: true }, function(err, res) { | ||
|  |           assert.ifError(err); | ||
|  |           assert.ok(res.value); | ||
|  |           assert.equal(name, res.value.name); | ||
|  |           assert.ok(true === res.value.works); | ||
|  |           done(); | ||
|  |         }); | ||
|  |       }); | ||
|  |     }); | ||
|  |     describe('with 4 args', function() { | ||
|  |       it('conditions + update + options + callback', function(done) { | ||
|  |         var m = mquery(col); | ||
|  |         m.findOneAndUpdate({ name: name }, { works: false }, { new: false }, function(err, res) { | ||
|  |           assert.ifError(err); | ||
|  |           assert.ok(res.value); | ||
|  |           assert.equal(name, res.value.name); | ||
|  |           assert.ok(true === res.value.works); | ||
|  |           done(); | ||
|  |         }); | ||
|  |       }); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('findOneAndRemove', function() { | ||
|  |     var name = 'findOneAndRemove'; | ||
|  | 
 | ||
|  |     validateFindAndModifyOptions('findOneAndRemove'); | ||
|  | 
 | ||
|  |     describe('with 0 args', function() { | ||
|  |       it('makes no changes', function() { | ||
|  |         var m = mquery(); | ||
|  |         var n = m.findOneAndRemove(); | ||
|  |         assert.deepEqual(m, n); | ||
|  |       }); | ||
|  |     }); | ||
|  |     describe('with 1 arg', function() { | ||
|  |       describe('that is an object', function() { | ||
|  |         it('updates the doc', function() { | ||
|  |           var m = mquery(); | ||
|  |           var n = m.findOneAndRemove({ name: '1 arg' }); | ||
|  |           assert.deepEqual(n._conditions, { name: '1 arg' }); | ||
|  |         }); | ||
|  |       }); | ||
|  |       describe('that is a query', function() { | ||
|  |         it('updates the doc', function() { | ||
|  |           var m = mquery({ name: name }); | ||
|  |           var n = m.findOneAndRemove(m); | ||
|  |           assert.deepEqual(n._conditions, { name: name }); | ||
|  |         }); | ||
|  |       }); | ||
|  |       it('that is a function', function(done) { | ||
|  |         col.insert({ name: name }, { safe: true }, function(err) { | ||
|  |           assert.ifError(err); | ||
|  |           var m = mquery({ name: name }).collection(col); | ||
|  |           m.findOneAndRemove(function(err, res) { | ||
|  |             assert.ifError(err); | ||
|  |             assert.ok(res.value); | ||
|  |             assert.equal(name, res.value.name); | ||
|  |             done(); | ||
|  |           }); | ||
|  |         }); | ||
|  |       }); | ||
|  |     }); | ||
|  |     describe('with 2 args', function() { | ||
|  |       it('conditions + options', function() { | ||
|  |         var m = mquery(col); | ||
|  |         m.findOneAndRemove({ name: name }, { new: false }); | ||
|  |         assert.deepEqual({ name: name }, m._conditions); | ||
|  |         assert.deepEqual({ new: false }, m.options); | ||
|  |       }); | ||
|  |       it('query + options', function() { | ||
|  |         var n = mquery({ name: name }); | ||
|  |         var m = mquery(col); | ||
|  |         m.findOneAndRemove(n, { sort: { x: 1 }}); | ||
|  |         assert.deepEqual({ name: name }, m._conditions); | ||
|  |         assert.deepEqual({ sort: { 'x': 1 }}, m.options); | ||
|  |       }); | ||
|  |       it('conditions + callback', function(done) { | ||
|  |         col.insert({ name: name }, { safe: true }, function(err) { | ||
|  |           assert.ifError(err); | ||
|  |           var m = mquery(col); | ||
|  |           m.findOneAndRemove({ name: name }, function(err, res) { | ||
|  |             assert.ifError(err); | ||
|  |             assert.equal(name, res.value.name); | ||
|  |             done(); | ||
|  |           }); | ||
|  |         }); | ||
|  |       }); | ||
|  |       it('query + callback', function(done) { | ||
|  |         col.insert({ name: name }, { safe: true }, function(err) { | ||
|  |           assert.ifError(err); | ||
|  |           var n = mquery({ name: name }); | ||
|  |           var m = mquery(col); | ||
|  |           m.findOneAndRemove(n, function(err, res) { | ||
|  |             assert.ifError(err); | ||
|  |             assert.equal(name, res.value.name); | ||
|  |             done(); | ||
|  |           }); | ||
|  |         }); | ||
|  |       }); | ||
|  |     }); | ||
|  |     describe('with 3 args', function() { | ||
|  |       it('conditions + options + callback', function(done) { | ||
|  |         name = 'findOneAndRemove + conds + options + cb'; | ||
|  |         col.insert([{ name: name }, { name: 'a' }], { safe: true }, function(err) { | ||
|  |           assert.ifError(err); | ||
|  |           var m = mquery(col); | ||
|  |           m.findOneAndRemove({ name: name }, { sort: { name: 1 }}, function(err, res) { | ||
|  |             assert.ifError(err); | ||
|  |             assert.ok(res.value); | ||
|  |             assert.equal(name, res.value.name); | ||
|  |             done(); | ||
|  |           }); | ||
|  |         }); | ||
|  |       }); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('exec', function() { | ||
|  |     beforeEach(function(done) { | ||
|  |       col.insert([{ name: 'exec', age: 1 }, { name: 'exec', age: 2 }], done); | ||
|  |     }); | ||
|  | 
 | ||
|  |     afterEach(function(done) { | ||
|  |       mquery(col).remove(done); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('requires an op', function() { | ||
|  |       assert.throws(function() { | ||
|  |         mquery().exec(); | ||
|  |       }, /Missing query type/); | ||
|  |     }); | ||
|  | 
 | ||
|  |     describe('find', function() { | ||
|  |       it('works', function(done) { | ||
|  |         var m = mquery(col).find({ name: 'exec' }); | ||
|  |         m.exec(function(err, docs) { | ||
|  |           assert.ifError(err); | ||
|  |           assert.equal(2, docs.length); | ||
|  |           done(); | ||
|  |         }); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('works with readPreferences', function(done) { | ||
|  |         var m = mquery(col).find({ name: 'exec' }); | ||
|  |         try { | ||
|  |           var rp = new require('mongodb').ReadPreference('primary'); | ||
|  |           m.read(rp); | ||
|  |         } catch (e) { | ||
|  |           done(e.code === 'MODULE_NOT_FOUND' ? null : e); | ||
|  |           return; | ||
|  |         } | ||
|  |         m.exec(function(err, docs) { | ||
|  |           assert.ifError(err); | ||
|  |           assert.equal(2, docs.length); | ||
|  |           done(); | ||
|  |         }); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('works with hint', function(done) { | ||
|  |         mquery(col).hint({ _id: 1 }).find({ name: 'exec' }).exec(function(err, docs) { | ||
|  |           assert.ifError(err); | ||
|  |           assert.equal(2, docs.length); | ||
|  | 
 | ||
|  |           mquery(col).hint('_id_').find({ age: 1 }).exec(function(err, docs) { | ||
|  |             assert.ifError(err); | ||
|  |             assert.equal(1, docs.length); | ||
|  |             done(); | ||
|  |           }); | ||
|  |         }); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('works with readConcern', function(done) { | ||
|  |         var m = mquery(col).find({ name: 'exec' }); | ||
|  |         m.readConcern('l'); | ||
|  |         m.exec(function(err, docs) { | ||
|  |           assert.ifError(err); | ||
|  |           assert.equal(2, docs.length); | ||
|  |           done(); | ||
|  |         }); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('works with collation', function(done) { | ||
|  |         var m = mquery(col).find({ name: 'EXEC' }); | ||
|  |         m.collation({ locale: 'en_US', strength: 1 }); | ||
|  |         m.exec(function(err, docs) { | ||
|  |           assert.ifError(err); | ||
|  |           assert.equal(2, docs.length); | ||
|  |           done(); | ||
|  |         }); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('findOne', function(done) { | ||
|  |       var m = mquery(col).findOne({ age: 2 }); | ||
|  |       m.exec(function(err, doc) { | ||
|  |         assert.ifError(err); | ||
|  |         assert.equal(2, doc.age); | ||
|  |         done(); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('count', function(done) { | ||
|  |       var m = mquery(col).count({ name: 'exec' }); | ||
|  |       m.exec(function(err, count) { | ||
|  |         assert.ifError(err); | ||
|  |         assert.equal(2, count); | ||
|  |         done(); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('distinct', function(done) { | ||
|  |       var m = mquery({ name: 'exec' }); | ||
|  |       m.collection(col); | ||
|  |       m.distinct('age'); | ||
|  |       m.exec(function(err, array) { | ||
|  |         assert.ifError(err); | ||
|  |         assert.ok(Array.isArray(array)); | ||
|  |         assert.equal(2, array.length); | ||
|  |         assert(~array.indexOf(1)); | ||
|  |         assert(~array.indexOf(2)); | ||
|  |         done(); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     describe('update', function() { | ||
|  |       var num; | ||
|  | 
 | ||
|  |       it('with a callback', function(done) { | ||
|  |         var m = mquery(col); | ||
|  |         m.where({ name: 'exec' }); | ||
|  | 
 | ||
|  |         m.count(function(err, _num) { | ||
|  |           assert.ifError(err); | ||
|  |           num = _num; | ||
|  |           m.setOptions({ multi: true }); | ||
|  |           m.update({ name: 'exec + update' }); | ||
|  |           m.exec(function(err, res) { | ||
|  |             assert.ifError(err); | ||
|  |             assert.equal(num, res.result.n); | ||
|  |             mquery(col).find({ name: 'exec + update' }, function(err, docs) { | ||
|  |               assert.ifError(err); | ||
|  |               assert.equal(num, docs.length); | ||
|  |               done(); | ||
|  |             }); | ||
|  |           }); | ||
|  |         }); | ||
|  |       }); | ||
|  | 
 | ||
|  |       describe('updateMany', function() { | ||
|  |         it('works', function(done) { | ||
|  |           mquery(col).updateMany({ name: 'exec' }, { name: 'test' }). | ||
|  |             exec(function(error) { | ||
|  |               assert.ifError(error); | ||
|  |               mquery(col).count({ name: 'test' }).exec(function(error, res) { | ||
|  |                 assert.ifError(error); | ||
|  |                 assert.equal(res, 2); | ||
|  |                 done(); | ||
|  |               }); | ||
|  |             }); | ||
|  |         }); | ||
|  |         it('works with write concern', function(done) { | ||
|  |           mquery(col).updateMany({ name: 'exec' }, { name: 'test' }) | ||
|  |             .w(1).j(true).wtimeout(1000) | ||
|  |             .exec(function(error) { | ||
|  |               assert.ifError(error); | ||
|  |               mquery(col).count({ name: 'test' }).exec(function(error, res) { | ||
|  |                 assert.ifError(error); | ||
|  |                 assert.equal(res, 2); | ||
|  |                 done(); | ||
|  |               }); | ||
|  |             }); | ||
|  |         }); | ||
|  |       }); | ||
|  | 
 | ||
|  |       describe('updateOne', function() { | ||
|  |         it('works', function(done) { | ||
|  |           mquery(col).updateOne({ name: 'exec' }, { name: 'test' }). | ||
|  |             exec(function(error) { | ||
|  |               assert.ifError(error); | ||
|  |               mquery(col).count({ name: 'test' }).exec(function(error, res) { | ||
|  |                 assert.ifError(error); | ||
|  |                 assert.equal(res, 1); | ||
|  |                 done(); | ||
|  |               }); | ||
|  |             }); | ||
|  |         }); | ||
|  |       }); | ||
|  | 
 | ||
|  |       describe('replaceOne', function() { | ||
|  |         it('works', function(done) { | ||
|  |           mquery(col).replaceOne({ name: 'exec' }, { name: 'test' }). | ||
|  |             exec(function(error) { | ||
|  |               assert.ifError(error); | ||
|  |               mquery(col).findOne({ name: 'test' }).exec(function(error, res) { | ||
|  |                 assert.ifError(error); | ||
|  |                 assert.equal(res.name, 'test'); | ||
|  |                 assert.ok(res.age == null); | ||
|  |                 done(); | ||
|  |               }); | ||
|  |             }); | ||
|  |         }); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('without a callback', function(done) { | ||
|  |         var m = mquery(col); | ||
|  |         m.where({ name: 'exec + update' }).setOptions({ multi: true }); | ||
|  |         m.update({ name: 'exec' }); | ||
|  | 
 | ||
|  |         // unsafe write
 | ||
|  |         m.exec(); | ||
|  | 
 | ||
|  |         setTimeout(function() { | ||
|  |           mquery(col).find({ name: 'exec' }, function(err, docs) { | ||
|  |             assert.ifError(err); | ||
|  |             assert.equal(2, docs.length); | ||
|  |             done(); | ||
|  |           }); | ||
|  |         }, 200); | ||
|  |       }); | ||
|  |       it('preserves key ordering', function(done) { | ||
|  |         var m = mquery(col); | ||
|  | 
 | ||
|  |         var m2 = m.update({ _id : 'something' }, { '1' : 1, '2' : 2, '3' : 3}); | ||
|  |         var doc = m2._updateForExec().$set; | ||
|  |         var count = 0; | ||
|  |         for (var i in doc) { | ||
|  |           if (count == 0) { | ||
|  |             assert.equal('1', i); | ||
|  |           } else if (count == 1) { | ||
|  |             assert.equal('2', i); | ||
|  |           } else if (count == 2) { | ||
|  |             assert.equal('3', i); | ||
|  |           } | ||
|  |           count++; | ||
|  |         } | ||
|  |         done(); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     describe('remove', function() { | ||
|  |       it('with a callback', function(done) { | ||
|  |         var m = mquery(col).where({ age: 2 }).remove(); | ||
|  |         m.exec(function(err, res) { | ||
|  |           assert.ifError(err); | ||
|  |           assert.equal(1, res.result.n); | ||
|  |           done(); | ||
|  |         }); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('without a callback', function(done) { | ||
|  |         var m = mquery(col).where({ age: 1 }).remove(); | ||
|  |         m.exec(); | ||
|  | 
 | ||
|  |         setTimeout(function() { | ||
|  |           mquery(col).where('name', 'exec').count(function(err, num) { | ||
|  |             assert.equal(1, num); | ||
|  |             done(); | ||
|  |           }); | ||
|  |         }, 200); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     describe('deleteOne', function() { | ||
|  |       it('with a callback', function(done) { | ||
|  |         var m = mquery(col).where({ age: { $gte: 0 } }).deleteOne(); | ||
|  |         m.exec(function(err, res) { | ||
|  |           assert.ifError(err); | ||
|  |           assert.equal(res.result.n, 1); | ||
|  |           done(); | ||
|  |         }); | ||
|  |       }); | ||
|  | 
 | ||
|  |       it('with justOne set', function(done) { | ||
|  |         var m = mquery(col).where({ age: { $gte: 0 } }). | ||
|  |           // Should ignore `justOne`
 | ||
|  |           setOptions({ justOne: false }). | ||
|  |           deleteOne(); | ||
|  |         m.exec(function(err, res) { | ||
|  |           assert.ifError(err); | ||
|  |           assert.equal(res.result.n, 1); | ||
|  |           done(); | ||
|  |         }); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     describe('deleteMany', function() { | ||
|  |       it('with a callback', function(done) { | ||
|  |         var m = mquery(col).where({ age: { $gte: 0 } }).deleteMany(); | ||
|  |         m.exec(function(err, res) { | ||
|  |           assert.ifError(err); | ||
|  |           assert.equal(res.result.n, 2); | ||
|  |           done(); | ||
|  |         }); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     describe('findOneAndUpdate', function() { | ||
|  |       it('with a callback', function(done) { | ||
|  |         var m = mquery(col); | ||
|  |         m.findOneAndUpdate({ name: 'exec', age: 1 }, { $set: { name: 'findOneAndUpdate' }}); | ||
|  |         m.exec(function(err, res) { | ||
|  |           assert.ifError(err); | ||
|  |           assert.equal('findOneAndUpdate', res.value.name); | ||
|  |           done(); | ||
|  |         }); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     describe('findOneAndRemove', function() { | ||
|  |       it('with a callback', function(done) { | ||
|  |         var m = mquery(col); | ||
|  |         m.findOneAndRemove({ name: 'exec', age: 2 }); | ||
|  |         m.exec(function(err, res) { | ||
|  |           assert.ifError(err); | ||
|  |           assert.equal('exec', res.value.name); | ||
|  |           assert.equal(2, res.value.age); | ||
|  |           mquery(col).count({ name: 'exec' }, function(err, num) { | ||
|  |             assert.ifError(err); | ||
|  |             assert.equal(1, num); | ||
|  |             done(); | ||
|  |           }); | ||
|  |         }); | ||
|  |       }); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('setTraceFunction', function() { | ||
|  |     beforeEach(function(done) { | ||
|  |       col.insert([{ name: 'trace', age: 93 }], done); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('calls trace function when executing query', function(done) { | ||
|  |       var m = mquery(col); | ||
|  | 
 | ||
|  |       var resultTraceCalled; | ||
|  | 
 | ||
|  |       m.setTraceFunction(function(method, queryInfo) { | ||
|  |         try { | ||
|  |           assert.equal('findOne', method); | ||
|  |           assert.equal('trace', queryInfo.conditions.name); | ||
|  |         } catch (e) { | ||
|  |           done(e); | ||
|  |         } | ||
|  | 
 | ||
|  |         return function(err, result, millis) { | ||
|  |           try { | ||
|  |             assert.equal(93, result.age); | ||
|  |             assert.ok(typeof millis === 'number'); | ||
|  |           } catch (e) { | ||
|  |             done(e); | ||
|  |           } | ||
|  |           resultTraceCalled = true; | ||
|  |         }; | ||
|  |       }); | ||
|  | 
 | ||
|  |       m.findOne({name: 'trace'}, function(err, doc) { | ||
|  |         assert.ifError(err); | ||
|  |         assert.equal(resultTraceCalled, true); | ||
|  |         assert.equal(93, doc.age); | ||
|  |         done(); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('inherits trace function when calling toConstructor', function(done) { | ||
|  |       function traceFunction() { return function() {}; } | ||
|  | 
 | ||
|  |       var tracedQuery = mquery().setTraceFunction(traceFunction).toConstructor(); | ||
|  | 
 | ||
|  |       var query = tracedQuery(); | ||
|  |       assert.equal(traceFunction, query._traceFunction); | ||
|  | 
 | ||
|  |       done(); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('thunk', function() { | ||
|  |     it('returns a function', function(done) { | ||
|  |       assert.equal('function', typeof mquery().thunk()); | ||
|  |       done(); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('passes the fn arg to `exec`', function(done) { | ||
|  |       function cb() {} | ||
|  |       var m = mquery(); | ||
|  | 
 | ||
|  |       m.exec = function testing(fn) { | ||
|  |         assert.equal(this, m); | ||
|  |         assert.equal(cb, fn); | ||
|  |         done(); | ||
|  |       }; | ||
|  | 
 | ||
|  |       m.thunk()(cb); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('then', function() { | ||
|  |     before(function(done) { | ||
|  |       col.insert([{ name: 'then', age: 1 }, { name: 'then', age: 2 }], done); | ||
|  |     }); | ||
|  | 
 | ||
|  |     after(function(done) { | ||
|  |       mquery(col).remove({ name: 'then' }).exec(done); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('returns a promise A+ compat object', function(done) { | ||
|  |       var m = mquery(col).find(); | ||
|  |       assert.equal('function', typeof m.then); | ||
|  |       done(); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('creates a promise that is resolved on success', function(done) { | ||
|  |       var promise = mquery(col).count({ name: 'then' }).then(); | ||
|  |       promise.then(function(count) { | ||
|  |         assert.equal(2, count); | ||
|  |         done(); | ||
|  |       }, done); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('supports exec() cb being called synchronously #66', function(done) { | ||
|  |       var query = mquery(col).count({ name: 'then' }); | ||
|  |       query.exec = function(cb) { | ||
|  |         cb(null, 66); | ||
|  |       }; | ||
|  | 
 | ||
|  |       query.then(success, done); | ||
|  |       function success(count) { | ||
|  |         assert.equal(66, count); | ||
|  |         done(); | ||
|  |       } | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('supports other Promise libs', function(done) { | ||
|  |       var bluebird = mquery.Promise; | ||
|  | 
 | ||
|  |       // hack for testing
 | ||
|  |       mquery.Promise = function P() { | ||
|  |         mquery.Promise = bluebird; | ||
|  |         this.then = function(x, y) { | ||
|  |           return x + y; | ||
|  |         }; | ||
|  |       }; | ||
|  | 
 | ||
|  |       var val = mquery(col).count({ name: 'exec' }).then(1, 2); | ||
|  |       assert.equal(val, 3); | ||
|  |       done(); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   describe('stream', function() { | ||
|  |     before(function(done) { | ||
|  |       col.insert([{ name: 'stream', age: 1 }, { name: 'stream', age: 2 }], done); | ||
|  |     }); | ||
|  | 
 | ||
|  |     after(function(done) { | ||
|  |       mquery(col).remove({ name: 'stream' }).exec(done); | ||
|  |     }); | ||
|  | 
 | ||
|  |     describe('throws', function() { | ||
|  |       describe('if used with non-find operations', function() { | ||
|  |         var ops = ['update', 'findOneAndUpdate', 'remove', 'count', 'distinct']; | ||
|  | 
 | ||
|  |         ops.forEach(function(op) { | ||
|  |           assert.throws(function() { | ||
|  |             mquery(col)[op]().stream(); | ||
|  |           }); | ||
|  |         }); | ||
|  |       }); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('returns a stream', function(done) { | ||
|  |       var stream = mquery(col).find({ name: 'stream' }).stream(); | ||
|  |       var count = 0; | ||
|  |       var err; | ||
|  | 
 | ||
|  |       stream.on('data', function(doc) { | ||
|  |         assert.equal('stream', doc.name); | ||
|  |         ++count; | ||
|  |       }); | ||
|  | 
 | ||
|  |       stream.on('error', function(er) { | ||
|  |         err = er; | ||
|  |       }); | ||
|  | 
 | ||
|  |       stream.on('end', function() { | ||
|  |         if (err) return done(err); | ||
|  |         assert.equal(2, count); | ||
|  |         done(); | ||
|  |       }); | ||
|  |     }); | ||
|  |   }); | ||
|  | 
 | ||
|  |   function noDistinct(type) { | ||
|  |     it('cannot be used with distinct()', function(done) { | ||
|  |       assert.throws(function() { | ||
|  |         mquery().distinct('name')[type](4); | ||
|  |       }, new RegExp(type + ' cannot be used with distinct')); | ||
|  |       done(); | ||
|  |     }); | ||
|  |   } | ||
|  | 
 | ||
|  |   function no(method, type) { | ||
|  |     it('cannot be used with ' + method + '()', function(done) { | ||
|  |       assert.throws(function() { | ||
|  |         mquery()[method]()[type](4); | ||
|  |       }, new RegExp(type + ' cannot be used with ' + method)); | ||
|  |       done(); | ||
|  |     }); | ||
|  |   } | ||
|  | 
 | ||
|  |   // query internal
 | ||
|  | 
 | ||
|  |   describe('_updateForExec', function() { | ||
|  |     it('returns a clone of the update object with same key order #19', function(done) { | ||
|  |       var update = {}; | ||
|  |       update.$push = { n: { $each: [{x:10}], $slice: -1, $sort: {x:1}}}; | ||
|  | 
 | ||
|  |       var q = mquery().update({ x: 1 }, update); | ||
|  | 
 | ||
|  |       // capture original key order
 | ||
|  |       var order = []; | ||
|  |       var key; | ||
|  |       for (key in q._update.$push.n) { | ||
|  |         order.push(key); | ||
|  |       } | ||
|  | 
 | ||
|  |       // compare output
 | ||
|  |       var doc = q._updateForExec(); | ||
|  |       var i = 0; | ||
|  |       for (key in doc.$push.n) { | ||
|  |         assert.equal(key, order[i]); | ||
|  |         i++; | ||
|  |       } | ||
|  | 
 | ||
|  |       done(); | ||
|  |     }); | ||
|  |   }); | ||
|  | }); |