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48 lines
1.0 KiB
48 lines
1.0 KiB
'use strict'; |
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var |
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stream, |
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Stream = require('../lib/utils/stream'), |
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QUnit = require('qunit'); |
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QUnit.module('Stream', { |
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beforeEach: function() { |
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stream = new Stream(); |
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stream.init(); |
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} |
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}); |
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QUnit.test('trigger calls listeners', function(assert) { |
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var args = []; |
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stream.on('test', function(data) { |
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args.push(data); |
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}); |
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stream.trigger('test', 1); |
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stream.trigger('test', 2); |
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assert.deepEqual(args, [1, 2]); |
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}); |
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QUnit.test('callbacks can remove themselves', function(assert) { |
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var args1 = [], args2 = [], args3 = []; |
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stream.on('test', function(event) { |
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args1.push(event); |
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}); |
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stream.on('test', function t(event) { |
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args2.push(event); |
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stream.off('test', t); |
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}); |
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stream.on('test', function(event) { |
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args3.push(event); |
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}); |
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stream.trigger('test', 1); |
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stream.trigger('test', 2); |
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assert.deepEqual(args1, [1, 2], 'first callback ran all times'); |
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assert.deepEqual(args2, [1], 'second callback removed after first run'); |
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assert.deepEqual(args3, [1, 2], 'third callback ran all times'); |
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});
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