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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.setTestOnly('goog.testing.StrictMock');
- 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();
- }
- }
- };
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