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/*
* Copyright 2008, Unitils.org
*
* 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.
*/
package org.unitils.easymock;
import static org.easymock.EasyMock.reportMatcher;
import org.unitils.core.Unitils;
import org.unitils.core.UnitilsException;
import org.unitils.easymock.annotation.Mock;
import org.unitils.easymock.util.*;
import org.unitils.reflectionassert.ReflectionComparatorMode;
import static org.unitils.reflectionassert.ReflectionComparatorMode.IGNORE_DEFAULTS;
import static org.unitils.reflectionassert.ReflectionComparatorMode.LENIENT_ORDER;
/**
* Utility facade for handling EasyMock things such as replay or manually creating a mock.
*
* @author Tim Ducheyne
* @author Filip Neven
*/
public class EasyMockUnitils {
/**
* Expects the given object argument but uses a reflection argument matcher to compare
* the given value with the actual value during the test. The comparator modes are set to
* ignore defaults and lenient order.
*
* Same as refEq with ignore defaults and lenient order as comparator modes.
*
* @param The type of the object to compare with
* @param object the value
* @return null
*/
public static T lenEq(T object) {
return refEq(object, IGNORE_DEFAULTS, LENIENT_ORDER);
}
/**
* Expects the given object argument but uses a reflection argument matcher with the given comparator modes
* to compare the given value with the actual value during the test.
*
* @param the type of the object to compare with
* @param object the value
* @param modes the comparator modes
* @return null
*/
public static T refEq(T object, ReflectionComparatorMode... modes) {
ReflectionArgumentMatcher reflectionArgumentMatcher = new ReflectionArgumentMatcher(object, modes);
reportMatcher(reflectionArgumentMatcher);
return object;
}
/**
* Creates a regular EasyMock mock object of the given type.
*
* Same as {@link #createRegularMock(Class,InvocationOrder,Calls)} with a default invocation order
* and default calls value. These defaults can be set in the unitils configuration.
*
* An instance of the mock control is stored, so that it can be set to the replay/verify state when
* {@link #replay()} or {@link #verify()} is called.
*
* @param the type of the mock
* @param mockType the type of the mock, not null
* @return a mock for the given class or interface, not null
*/
public static T createRegularMock(Class mockType) {
return createRegularMock(mockType, InvocationOrder.DEFAULT, Calls.DEFAULT);
}
/**
* Creates a regular EasyMock mock object of the given type.
*
* An instance of the mock control is stored, so that it can be set to the replay/verify state when
* {@link #replay()} or {@link #verify()} is called.
*
* @param the type of the mock
* @param mockType the class type for the mock, not null
* @param invocationOrder the order setting, not null
* @param calls the calls setting, not null
* @return a mock for the given class or interface, not null
*/
public static T createRegularMock(Class mockType, InvocationOrder invocationOrder, Calls calls) {
return getEasyMockModule().createRegularMock(mockType, invocationOrder, calls);
}
/**
* Creates a lenient mock object of the given type. The {@link org.unitils.easymock.util.LenientMocksControl} is used
* for creating the mock.
*
* Same as {@link #createMock(Class,InvocationOrder,Calls,Order,Dates,Defaults)} with a default invocation order,
* default calls, default order, default dates and default defaults value. These defaults can be set in the
* unitils configuration.
*
* An instance of the mock control is stored, so that it can be set to the replay/verify state when
* {@link #replay()} or {@link #verify()} is called.
*
* @param the type of the mock
* @param mockType the type of the mock, not null
* @return a mock for the given class or interface, not null
*/
public static T createMock(Class mockType) {
return createMock(mockType, InvocationOrder.DEFAULT, Calls.DEFAULT, Order.DEFAULT, Dates.DEFAULT, Defaults.DEFAULT);
}
/**
* Creates a lenient mock object of the given type. The {@link org.unitils.easymock.util.LenientMocksControl} is used
* for creating the mock.
*
* Same as {@link #createMock(Class,InvocationOrder,Calls,Order,Dates,Defaults)} with a default invocation order,
* default calls, default order, default dates and default defaults value. These defaults can be set in the
* unitils configuration.
*
* An instance of the mock control is stored, so that it can be set to the replay/verify state when
* {@link #replay()} or {@link #verify()} is called.
*
* @param the type of the mock
* @param mockType the type of the mock, not null
* @param invocationOrder the invocation order setting, not null
* @param calls the calls setting, not null
* @param order the order setting, not null
* @param dates the dates setting, not null
* @param defaults the defaults setting, not null
* @return a mock for the given class or interface, not null
*/
public static T createMock(Class mockType, InvocationOrder invocationOrder, Calls calls, Order order, Dates dates, Defaults defaults) {
return getEasyMockModule().createMock(mockType, invocationOrder, calls, order, dates, defaults);
}
/**
* Unit tests should call this method after having set their recorded expected behavior on the mock objects.
*
* This method makes sure EasyMock's replay method is called on every mock object that was supplied to the
* fields annotated with {@link org.unitils.easymock.annotation.Mock}, or directly created by the
* {@link #createRegularMock(Class,InvocationOrder,Calls)} and
* {@link #createMock(Class,InvocationOrder,Calls,Order,Dates,Defaults)} methods.
*
* After each test, the expected behavior is verified automatically, or explicitly by calling {@link #verify()}.
*/
public static void replay() {
getEasyMockModule().replay();
}
/**
* Unit tests can call this method to check whether all recorded expected behavior was actually observed during
* the test.
*
* This method makes sure {@link org.easymock.internal.MocksControl#verify} method is called for every mock mock object
* that was injected to a field annotated with {@link Mock}, or directly created by the
* {@link #createRegularMock(Class,InvocationOrder,Calls)} or
* {@link #createMock(Class,InvocationOrder,Calls,Order,Dates,Defaults)} methods.
*
* By default, the expected behavior is verified automatically. This can be disabled however by setting the property
* EasyMockModule.autoVerifyAfterTest.enabled to false. In that case, verification can also be performed explicitly
* by calling this method.
*/
public static void verify() {
getEasyMockModule().verify();
}
/**
* Gets the instance EasyMockModule that is registered in the modules repository.
* This instance implements the actual behavior of the static methods in this class, such as {@link #replay()}.
* This way, other implementations can be plugged in, while keeping the simplicity of using static methods.
*
* @return the instance, not null
* @throws UnitilsException when no such module could be found
*/
private static EasyMockModule getEasyMockModule() {
Unitils unitils = Unitils.getInstance();
EasyMockModule module = unitils.getModulesRepository().getModuleOfType(EasyMockModule.class);
if (module == null) {
throw new UnitilsException("Unable to find an instance of an EasyMockModule in the modules repository.");
}
return module;
}
}
