Andreas Hocevar
144 lines
3.6 KiB
JavaScript
144 lines
3.6 KiB
JavaScript
// Copyright 2008 The Closure Library Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS-IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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/**
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* @fileoverview MockUserAgent overrides goog.userAgent.getUserAgentString()
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* depending on a specified configuration.
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*
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*/
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goog.provide('goog.testing.MockUserAgent');
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goog.require('goog.Disposable');
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goog.require('goog.labs.userAgent.util');
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goog.require('goog.testing.PropertyReplacer');
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goog.require('goog.userAgent');
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/**
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* Class for unit testing code that uses goog.userAgent.
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*
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* @extends {goog.Disposable}
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* @constructor
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* @final
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*/
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goog.testing.MockUserAgent = function() {
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goog.Disposable.call(this);
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/**
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* Property replacer used to mock out User-Agent functions.
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* @type {!goog.testing.PropertyReplacer}
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* @private
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*/
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this.propertyReplacer_ = new goog.testing.PropertyReplacer();
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/**
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* The userAgent string used by goog.userAgent.
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* @type {?string}
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* @private
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*/
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this.userAgent_ = goog.userAgent.getUserAgentString();
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/**
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* The navigator object used by goog.userAgent
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* @type {Object}
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* @private
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*/
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this.navigator_ = goog.userAgent.getNavigator();
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};
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goog.inherits(goog.testing.MockUserAgent, goog.Disposable);
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/**
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* Whether this MockUserAgent has been installed.
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* @type {boolean}
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* @private
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*/
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goog.testing.MockUserAgent.prototype.installed_;
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/**
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* Installs this MockUserAgent.
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*/
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goog.testing.MockUserAgent.prototype.install = function() {
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if (!this.installed_) {
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// Stub out user agent functions.
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this.propertyReplacer_.set(goog.userAgent, 'getUserAgentString',
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goog.bind(this.getUserAgentString, this));
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this.propertyReplacer_.set(goog.labs.userAgent.util, 'getUserAgent',
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goog.bind(this.getUserAgentString, this));
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// Stub out navigator functions.
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this.propertyReplacer_.set(goog.userAgent, 'getNavigator',
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goog.bind(this.getNavigator, this));
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this.installed_ = true;
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}
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};
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/**
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* @return {?string} The userAgent set in this class.
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*/
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goog.testing.MockUserAgent.prototype.getUserAgentString = function() {
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return this.userAgent_;
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};
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/**
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* @param {string} userAgent The desired userAgent string to use.
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*/
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goog.testing.MockUserAgent.prototype.setUserAgentString = function(userAgent) {
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this.userAgent_ = userAgent;
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};
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/**
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* @return {Object} The Navigator set in this class.
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*/
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goog.testing.MockUserAgent.prototype.getNavigator = function() {
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return this.navigator_;
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};
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/**
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* @param {Object} navigator The desired Navigator object to use.
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*/
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goog.testing.MockUserAgent.prototype.setNavigator = function(navigator) {
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this.navigator_ = navigator;
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};
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/**
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* Uninstalls the MockUserAgent.
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*/
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goog.testing.MockUserAgent.prototype.uninstall = function() {
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if (this.installed_) {
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this.propertyReplacer_.reset();
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this.installed_ = false;
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}
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};
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/** @override */
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goog.testing.MockUserAgent.prototype.disposeInternal = function() {
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this.uninstall();
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delete this.propertyReplacer_;
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delete this.navigator_;
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goog.testing.MockUserAgent.base(this, 'disposeInternal');
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};
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