google-closure-library
Version:
Google's common JavaScript library
77 lines (61 loc) • 2.08 kB
JavaScript
/**
* @license
* Copyright The Closure Library Authors.
* SPDX-License-Identifier: Apache-2.0
*/
/**
* @fileoverview Mock MessageChannel implementation that can receive fake
* messages and test that the right messages are sent.
*/
goog.setTestOnly('goog.testing.messaging.MockMessageChannel');
goog.provide('goog.testing.messaging.MockMessageChannel');
goog.require('goog.messaging.AbstractChannel');
goog.require('goog.testing.MockControl');
goog.require('goog.testing.asserts');
/**
* Class for unit-testing code that communicates over a MessageChannel.
* @param {goog.testing.MockControl} mockControl The mock control used to create
* the method mock for #send.
* @extends {goog.messaging.AbstractChannel}
* @constructor
* @final
*/
goog.testing.messaging.MockMessageChannel = function(mockControl) {
'use strict';
goog.testing.messaging.MockMessageChannel.base(this, 'constructor');
/**
* Whether the channel has been disposed.
* @type {boolean}
*/
this.disposed = false;
mockControl.createMethodMock(this, 'send');
};
goog.inherits(
goog.testing.messaging.MockMessageChannel, goog.messaging.AbstractChannel);
/**
* A mock send function. Actually an instance of
* {@link goog.testing.FunctionMock}.
* @param {string} serviceName The name of the remote service to run.
* @param {string|!Object} payload The payload to send to the remote page.
* @override
*/
goog.testing.messaging.MockMessageChannel.prototype.send = function(
serviceName, payload) {};
/**
* Sets a flag indicating that this is disposed.
* @override
*/
goog.testing.messaging.MockMessageChannel.prototype.dispose = function() {
'use strict';
this.disposed = true;
};
/**
* Mocks the receipt of a message. Passes the payload the appropriate service.
* @param {string} serviceName The service to run.
* @param {string|!Object} payload The argument to pass to the service.
*/
goog.testing.messaging.MockMessageChannel.prototype.receive = function(
serviceName, payload) {
'use strict';
this.deliver(serviceName, payload);
};