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65 lines
2.0 KiB
65 lines
2.0 KiB
3 years ago
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var assert = require('assert');
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var deprecate = require(__dirname + '/../');
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var output = {
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_text: [],
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_clear: function() {
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this._text = [];
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},
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write: function(message) {
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this._text.push(message);
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}
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}
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describe('deprecate', function() {
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beforeEach(function() {
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output._clear();
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deprecate.stream = output;
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});
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it('does nothing if silence is turned on', function() {
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deprecate.silence = true;
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deprecate('this method is deprecated and will be removed');
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assert.equal(output._text.length, 0);
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});
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it('prints to output if silence is turned off', function() {
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deprecate.silence = false;
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deprecate('line1', 'line2', 'line3');
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var text = output._text.join(' ');
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assert(text.indexOf('WARNING') > 0, 'should have contained the string "warning"');
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assert(text.indexOf('line1') > 0, 'should have contained the string "line1"');
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assert(text.indexOf('line2') > 0, 'should have contained the string "line2"');
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assert(text.indexOf('line2') > text.indexOf('line1'), 'line 2 should come after line 1');
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assert(text.indexOf(deprecate.color) > 0, 'should have color');
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});
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it('does not print color if color turned off', function() {
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deprecate.color = false;
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deprecate('test');
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var text = output._text.join(' ');
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assert.equal(text.indexOf(deprecate.color), -1, 'should not have color string');
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assert.equal(text.indexOf('\x1b[0m'), -1, 'should not have reset color char ');
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});
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it('only prints once for each function deprecated', function() {
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var someDeprecatedMethod = function() {
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deprecate('first');
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}
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var someOtherDeprecatedMethod = function() {
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deprecate('second');
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}
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assert.equal(output._text.length, 0);
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someDeprecatedMethod();
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var length = output._text.length;
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assert(length > 0, "should have printed deprecation warning");
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someDeprecatedMethod();
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assert.equal(length, output._text.length, "should not have warned again");
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someOtherDeprecatedMethod();
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assert(output._text.length > length);
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});
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});
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