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comparison: addon-sdk/source/test/test-registry.js
addon-sdk/source/test/test-registry.js
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:7eb61113abe2 |
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| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 'use strict'; | |
| 6 | |
| 7 exports['test:add'] = function(assert) { | |
| 8 function Class() {} | |
| 9 let fixture = require('sdk/util/registry').Registry(Class); | |
| 10 let isAddEmitted = false; | |
| 11 fixture.on('add', function(item) { | |
| 12 assert.ok( | |
| 13 item instanceof Class, | |
| 14 'if object added is not an instance should construct instance from it' | |
| 15 ); | |
| 16 assert.ok( | |
| 17 fixture.has(item), | |
| 18 'callback is called after instance is added' | |
| 19 ); | |
| 20 assert.ok( | |
| 21 !isAddEmitted, | |
| 22 'callback should be called for the same item only once' | |
| 23 ); | |
| 24 isAddEmitted = true; | |
| 25 }); | |
| 26 | |
| 27 let object = fixture.add({}); | |
| 28 fixture.add(object); | |
| 29 }; | |
| 30 | |
| 31 exports['test:remove'] = function(assert) { | |
| 32 function Class() {} | |
| 33 let fixture = require('sdk/util/registry').Registry(Class); | |
| 34 fixture.on('remove', function(item) { | |
| 35 assert.ok( | |
| 36 item instanceof Class, | |
| 37 'if object removed can be only instance of Class' | |
| 38 ); | |
| 39 assert.ok( | |
| 40 fixture.has(item), | |
| 41 'callback is called before instance is removed' | |
| 42 ); | |
| 43 assert.ok( | |
| 44 !isRemoveEmitted, | |
| 45 'callback should be called for the same item only once' | |
| 46 ); | |
| 47 isRemoveEmitted = true; | |
| 48 }); | |
| 49 | |
| 50 fixture.remove({}); | |
| 51 let object = fixture.add({}); | |
| 52 fixture.remove(object); | |
| 53 fixture.remove(object); | |
| 54 }; | |
| 55 | |
| 56 exports['test:items'] = function(assert) { | |
| 57 function Class() {} | |
| 58 let fixture = require('sdk/util/registry').Registry(Class), | |
| 59 actual, | |
| 60 times = 0; | |
| 61 | |
| 62 function testItem(item) { | |
| 63 times ++; | |
| 64 assert.equal( | |
| 65 actual, | |
| 66 item, | |
| 67 'item should match actual item being added/removed' | |
| 68 ); | |
| 69 } | |
| 70 | |
| 71 actual = fixture.add({}); | |
| 72 | |
| 73 fixture.on('add', testItem); | |
| 74 fixture.on('remove', testItem); | |
| 75 | |
| 76 fixture.remove(actual); | |
| 77 fixture.remove(fixture.add(actual = new Class())); | |
| 78 assert.equal(3, times, 'should notify listeners on each call'); | |
| 79 }; | |
| 80 | |
| 81 require('sdk/test').run(exports); | |
| 82 |
