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author | Matt A. Tobin <email@mattatobin.com> | 2018-02-10 02:51:36 -0500 |
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committer | Matt A. Tobin <email@mattatobin.com> | 2018-02-10 02:51:36 -0500 |
commit | 37d5300335d81cecbecc99812747a657588c63eb (patch) | |
tree | 765efa3b6a56bb715d9813a8697473e120436278 /addon-sdk/source/test/test-event-target.js | |
parent | b2bdac20c02b12f2057b9ef70b0a946113a00e00 (diff) | |
parent | 4fb11cd5966461bccc3ed1599b808237be6b0de9 (diff) | |
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Merge branch 'ext-work'
Diffstat (limited to 'addon-sdk/source/test/test-event-target.js')
-rw-r--r-- | addon-sdk/source/test/test-event-target.js | 222 |
1 files changed, 0 insertions, 222 deletions
diff --git a/addon-sdk/source/test/test-event-target.js b/addon-sdk/source/test/test-event-target.js deleted file mode 100644 index d51314aa5..000000000 --- a/addon-sdk/source/test/test-event-target.js +++ /dev/null @@ -1,222 +0,0 @@ -/* This Source Code Form is subject to the terms of the Mozilla Public - * License, v. 2.0. If a copy of the MPL was not distributed with this - * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ -'use strict'; - -const { emit } = require('sdk/event/core'); -const { EventTarget } = require('sdk/event/target'); -const { Loader } = require('sdk/test/loader'); - -exports['test add a listener'] = function(assert) { - let events = [ { name: 'event#1' }, 'event#2' ]; - let target = EventTarget(); - - target.on('message', function(message) { - assert.equal(this, target, 'this is a target object'); - assert.equal(message, events.shift(), 'message is emitted event'); - }); - - emit(target, 'message', events[0]); - emit(target, 'message', events[0]); -}; - -exports['test pass in listeners'] = function(assert) { - let actual = [ ]; - let target = EventTarget({ - onMessage: function onMessage(message) { - assert.equal(this, target, 'this is an event target'); - actual.push(1); - }, - onFoo: null, - onbla: function() { - assert.fail('`onbla` is not supposed to be called'); - } - }); - target.on('message', function(message) { - assert.equal(this, target, 'this is an event target'); - actual.push(2); - }); - - emit(target, 'message'); - emit(target, 'missing'); - - assert.deepEqual([ 1, 2 ], actual, 'all listeners trigerred in right order'); -}; - -exports['test that listener is unique per type'] = function(assert) { - let actual = [] - let target = EventTarget(); - function listener() { actual.push(1) } - target.on('message', listener); - target.on('message', listener); - target.on('message', listener); - target.on('foo', listener); - target.on('foo', listener); - - emit(target, 'message'); - assert.deepEqual([ 1 ], actual, 'only one message listener added'); - emit(target, 'foo'); - assert.deepEqual([ 1, 1 ], actual, 'same listener added for other event'); -}; - -exports['test event type matters'] = function(assert) { - let target = EventTarget(); - target.on('message', function() { - assert.fail('no event is expected'); - }); - target.on('done', function() { - assert.pass('event is emitted'); - }); - - emit(target, 'foo'); - emit(target, 'done'); -}; - -exports['test all arguments are pasesd'] = function(assert) { - let foo = { name: 'foo' }, bar = 'bar'; - let target = EventTarget(); - target.on('message', function(a, b) { - assert.equal(a, foo, 'first argument passed'); - assert.equal(b, bar, 'second argument passed'); - }); - emit(target, 'message', foo, bar); -}; - -exports['test no side-effects in emit'] = function(assert) { - let target = EventTarget(); - target.on('message', function() { - assert.pass('first listener is called'); - target.on('message', function() { - assert.fail('second listener is called'); - }); - }); - emit(target, 'message'); -}; - -exports['test order of propagation'] = function(assert) { - let actual = []; - let target = EventTarget(); - target.on('message', function() { actual.push(1); }); - target.on('message', function() { actual.push(2); }); - target.on('message', function() { actual.push(3); }); - emit(target, 'message'); - assert.deepEqual([ 1, 2, 3 ], actual, 'called in order they were added'); -}; - -exports['test remove a listener'] = function(assert) { - let target = EventTarget(); - let actual = []; - target.on('message', function listener() { - actual.push(1); - target.on('message', function() { - target.removeListener('message', listener); - actual.push(2); - }) - }); - - emit(target, 'message'); - assert.deepEqual([ 1 ], actual, 'first listener called'); - emit(target, 'message'); - assert.deepEqual([ 1, 1, 2 ], actual, 'second listener called'); - emit(target, 'message'); - assert.deepEqual([ 1, 1, 2, 2, 2 ], actual, 'first listener removed'); -}; - -exports['test .off() removes all listeners'] = function(assert) { - let target = EventTarget(); - let actual = []; - target.on('message', function listener() { - actual.push(1); - target.on('message', function() { - target.removeListener('message', listener); - actual.push(2); - }) - }); - - emit(target, 'message'); - assert.deepEqual([ 1 ], actual, 'first listener called'); - emit(target, 'message'); - assert.deepEqual([ 1, 1, 2 ], actual, 'second listener called'); - target.off(); - emit(target, 'message'); - assert.deepEqual([ 1, 1, 2 ], actual, 'target.off() removed all listeners'); -}; - -exports['test error handling'] = function(assert) { - let target = EventTarget(); - let error = Error('boom!'); - - target.on('message', function() { throw error; }) - target.on('error', function(boom) { - assert.equal(boom, error, 'thrown exception causes error event'); - }); - emit(target, 'message'); -}; - -exports['test unhandled errors'] = function(assert) { - let exceptions = []; - let loader = Loader(module); - let { emit } = loader.require('sdk/event/core'); - let { EventTarget } = loader.require('sdk/event/target'); - Object.defineProperties(loader.sandbox('sdk/event/core'), { - console: { value: { - exception: function(e) { - exceptions.push(e); - } - }} - }); - let target = EventTarget(); - let boom = Error('Boom!'); - let drax = Error('Draax!!'); - - target.on('message', function() { throw boom; }); - - emit(target, 'message'); - assert.ok(~String(exceptions[0]).indexOf('Boom!'), - 'unhandled exception is logged'); - - target.on('error', function() { throw drax; }); - emit(target, 'message'); - assert.ok(~String(exceptions[1]).indexOf('Draax!'), - 'error in error handler is logged'); -}; - -exports['test target is chainable'] = function (assert, done) { - let loader = Loader(module); - let exceptions = []; - let { EventTarget } = loader.require('sdk/event/target'); - let { emit } = loader.require('sdk/event/core'); - Object.defineProperties(loader.sandbox('sdk/event/core'), { - console: { value: { - exception: function(e) { - exceptions.push(e); - } - }} - }); - - let emitter = EventTarget(); - let boom = Error('Boom'); - let onceCalled = 0; - - emitter.once('oneTime', function () { - assert.equal(++onceCalled, 1, 'once event called only once'); - }).on('data', function (message) { - assert.equal(message, 'message', 'handles event'); - emit(emitter, 'oneTime'); - emit(emitter, 'data2', 'message2'); - }).on('phony', function () { - assert.fail('removeListener does not remove chained event'); - }).removeListener('phony') - .on('data2', function (message) { - assert.equal(message, 'message2', 'handle chained event'); - emit(emitter, 'oneTime'); - throw boom; - }).on('error', function (error) { - assert.equal(error, boom, 'error handled in chained event'); - done(); - }); - - emit(emitter, 'data', 'message'); -}; - -require('sdk/test').run(exports); |