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node_modules/selenium-webdriver/lib/goog/testing/strictmock.js
Maintainability
67.47
Lines of code
110
Difficulty
30.76
Estimated Errors
0.62
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// Copyright 2008 The Closure Library Authors. All Rights Reserved. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS-IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. /** * @fileoverview This file defines a strict mock implementation. */ goog.provide('goog.testing.StrictMock'); goog.require('goog.array'); goog.require('goog.testing.Mock'); /** * This is a mock that verifies that methods are called in the order that they * are specified during the recording phase. Since it verifies order, it * follows 'fail fast' semantics. If it detects a deviation from the * expectations, it will throw an exception and not wait for verify to be * called. * @param {Object|Function} objectToMock The object that should be mocked, or * the constructor of an object to mock. * @param {boolean=} opt_mockStaticMethods An optional argument denoting that * a mock should be constructed from the static functions of a class. * @param {boolean=} opt_createProxy An optional argument denoting that * a proxy for the target mock should be created. * @constructor * @extends {goog.testing.Mock} * @final */ goog.testing.StrictMock = function(objectToMock, opt_mockStaticMethods, opt_createProxy) { goog.testing.Mock.call(this, objectToMock, opt_mockStaticMethods, opt_createProxy); /** * An array of MockExpectations. * @type {Array.<goog.testing.MockExpectation>} * @private */ this.$expectations_ = []; }; goog.inherits(goog.testing.StrictMock, goog.testing.Mock); /** @override */ goog.testing.StrictMock.prototype.$recordExpectation = function() { this.$expectations_.push(this.$pendingExpectation); }; /** @override */ goog.testing.StrictMock.prototype.$recordCall = function(name, args) { if (this.$expectations_.length == 0) { this.$throwCallException(name, args); } // If the current expectation has a different name, make sure it was called // enough and then discard it. We're through with it. var currentExpectation = this.$expectations_[0]; while (!this.$verifyCall(currentExpectation, name, args)) { // This might be an item which has passed its min, and we can now // look past it, or it might be below its min and generate an error. if (currentExpectation.actualCalls < currentExpectation.minCalls) { this.$throwCallException(name, args, currentExpectation); } this.$expectations_.shift(); if (this.$expectations_.length < 1) { // Nothing left, but this may be a failed attempt to call the previous // item on the list, which may have been between its min and max. this.$throwCallException(name, args, currentExpectation); } currentExpectation = this.$expectations_[0]; } if (currentExpectation.maxCalls == 0) { this.$throwCallException(name, args); } currentExpectation.actualCalls++; // If we hit the max number of calls for this expectation, we're finished // with it. if (currentExpectation.actualCalls == currentExpectation.maxCalls) { this.$expectations_.shift(); } return this.$do(currentExpectation, args); }; /** @override */ goog.testing.StrictMock.prototype.$reset = function() { goog.testing.StrictMock.superClass_.$reset.call(this); goog.array.clear(this.$expectations_); }; /** @override */ goog.testing.StrictMock.prototype.$verify = function() { goog.testing.StrictMock.superClass_.$verify.call(this); while (this.$expectations_.length > 0) { var expectation = this.$expectations_[0]; if (expectation.actualCalls < expectation.minCalls) { this.$throwException('Missing a call to ' + expectation.name + '\nExpected: ' + expectation.minCalls + ' but was: ' + expectation.actualCalls); } else { // Don't need to check max, that's handled when the call is made this.$expectations_.shift(); } } };