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115 lines
2.9 KiB
115 lines
2.9 KiB
var assert = require('assert');
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var Traverse = require('traverse');
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var util = require('util');
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exports.circular = function () {
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var obj = { x : 3 };
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obj.y = obj;
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var foundY = false;
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Traverse(obj).forEach(function (x) {
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if (this.path.join('') == 'y') {
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assert.equal(
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util.inspect(this.circular.node),
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util.inspect(obj)
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);
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foundY = true;
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}
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});
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assert.ok(foundY);
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};
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exports.deepCirc = function () {
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var obj = { x : [ 1, 2, 3 ], y : [ 4, 5 ] };
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obj.y[2] = obj;
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var times = 0;
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Traverse(obj).forEach(function (x) {
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if (this.circular) {
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assert.deepEqual(this.circular.path, []);
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assert.deepEqual(this.path, [ 'y', 2 ]);
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times ++;
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}
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});
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assert.deepEqual(times, 1);
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};
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exports.doubleCirc = function () {
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var obj = { x : [ 1, 2, 3 ], y : [ 4, 5 ] };
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obj.y[2] = obj;
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obj.x.push(obj.y);
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var circs = [];
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Traverse(obj).forEach(function (x) {
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if (this.circular) {
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circs.push({ circ : this.circular, self : this, node : x });
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}
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});
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assert.deepEqual(circs[0].self.path, [ 'x', 3, 2 ]);
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assert.deepEqual(circs[0].circ.path, []);
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assert.deepEqual(circs[1].self.path, [ 'y', 2 ]);
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assert.deepEqual(circs[1].circ.path, []);
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assert.deepEqual(circs.length, 2);
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};
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exports.circDubForEach = function () {
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var obj = { x : [ 1, 2, 3 ], y : [ 4, 5 ] };
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obj.y[2] = obj;
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obj.x.push(obj.y);
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Traverse(obj).forEach(function (x) {
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if (this.circular) this.update('...');
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});
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assert.deepEqual(obj, { x : [ 1, 2, 3, [ 4, 5, '...' ] ], y : [ 4, 5, '...' ] });
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};
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exports.circDubMap = function () {
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var obj = { x : [ 1, 2, 3 ], y : [ 4, 5 ] };
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obj.y[2] = obj;
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obj.x.push(obj.y);
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var c = Traverse(obj).map(function (x) {
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if (this.circular) {
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this.update('...');
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}
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});
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assert.deepEqual(c, { x : [ 1, 2, 3, [ 4, 5, '...' ] ], y : [ 4, 5, '...' ] });
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};
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exports.circClone = function () {
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var obj = { x : [ 1, 2, 3 ], y : [ 4, 5 ] };
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obj.y[2] = obj;
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obj.x.push(obj.y);
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var clone = Traverse.clone(obj);
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assert.ok(obj !== clone);
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assert.ok(clone.y[2] === clone);
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assert.ok(clone.y[2] !== obj);
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assert.ok(clone.x[3][2] === clone);
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assert.ok(clone.x[3][2] !== obj);
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assert.deepEqual(clone.x.slice(0,3), [1,2,3]);
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assert.deepEqual(clone.y.slice(0,2), [4,5]);
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};
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exports.circMapScrub = function () {
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var obj = { a : 1, b : 2 };
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obj.c = obj;
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var scrubbed = Traverse(obj).map(function (node) {
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if (this.circular) this.remove();
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});
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assert.deepEqual(
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Object.keys(scrubbed).sort(),
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[ 'a', 'b' ]
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);
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assert.ok(Traverse.deepEqual(scrubbed, { a : 1, b : 2 }));
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assert.equal(obj.c, obj);
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};
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