88 lines
2.8 KiB
JavaScript
88 lines
2.8 KiB
JavaScript
/**
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* Copyright (c) 2013-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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*/
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'use strict';
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// const MessageQueueTestConfig = require('MessageQueueTestConfig');
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jest.unmock('MessageQueue');
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jest.unmock('defineLazyObjectProperty');
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let MessageQueue;
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let MessageQueueTestModule;
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let queue;
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const MODULE_IDS = 0;
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const METHOD_IDS = 1;
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const PARAMS = 2;
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const assertQueue = (flushedQueue, index, moduleID, methodID, params) => {
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expect(flushedQueue[MODULE_IDS][index]).toEqual(moduleID);
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expect(flushedQueue[METHOD_IDS][index]).toEqual(methodID);
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expect(flushedQueue[PARAMS][index]).toEqual(params);
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};
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// Important things to test:
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//
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// [x] Local modules can be invoked through the queue.
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//
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// [ ] Local modules that throw exceptions are gracefully caught. In that case
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// local callbacks stored by IDs are cleaned up.
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describe('MessageQueue', function() {
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beforeEach(function() {
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jest.resetModules();
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MessageQueue = require('MessageQueue');
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MessageQueueTestModule = require('MessageQueueTestModule');
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queue = new MessageQueue();
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queue.registerCallableModule(
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'MessageQueueTestModule',
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MessageQueueTestModule
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);
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queue.createDebugLookup(0, 'MessageQueueTestModule',
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['testHook1', 'testHook2']);
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});
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it('should enqueue native calls', () => {
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queue.enqueueNativeCall(0, 1, [2]);
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const flushedQueue = queue.flushedQueue();
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assertQueue(flushedQueue, 0, 0, 1, [2]);
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});
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it('should call a local function with the function name', () => {
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MessageQueueTestModule.testHook2 = jasmine.createSpy();
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expect(MessageQueueTestModule.testHook2.calls.count()).toEqual(0);
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queue.__callFunction('MessageQueueTestModule', 'testHook2', [2]);
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expect(MessageQueueTestModule.testHook2.calls.count()).toEqual(1);
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});
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it('should store callbacks', () => {
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queue.enqueueNativeCall(0, 1, ['foo'], null, null);
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const flushedQueue = queue.flushedQueue();
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assertQueue(flushedQueue, 0, 0, 1, ['foo']);
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});
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it('should call the stored callback', () => {
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let done = false;
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queue.enqueueNativeCall(0, 1, [], () => {}, () => { done = true; });
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queue.__invokeCallback(1);
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expect(done).toEqual(true);
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});
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it('should throw when calling the same callback twice', () => {
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queue.enqueueNativeCall(0, 1, [], () => {}, () => {});
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queue.__invokeCallback(1);
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expect(() => queue.__invokeCallback(1)).toThrow();
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});
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it('should throw when calling both success and failure callback', () => {
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queue.enqueueNativeCall(0, 1, [], () => {}, () => {});
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queue.__invokeCallback(1);
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expect(() => queue.__invokeCallback(0)).toThrow();
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});
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});
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