org.unitils.mock.argumentmatcher.impl.DefaultArgumentMatcher Maven / Gradle / Ivy
/*
*
* * Copyright 2010, 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.mock.argumentmatcher.impl;
import org.unitils.mock.argumentmatcher.ArgumentMatcher;
import org.unitils.reflectionassert.ReflectionComparator;
import static org.unitils.mock.argumentmatcher.ArgumentMatcher.MatchResult.*;
import static org.unitils.mock.core.proxy.CloneUtil.createDeepClone;
import static org.unitils.reflectionassert.ReflectionComparatorFactory.createRefectionComparator;
import static org.unitils.reflectionassert.ReflectionComparatorMode.IGNORE_DEFAULTS;
import static org.unitils.reflectionassert.ReflectionComparatorMode.LENIENT_ORDER;
/**
* A matcher for checking whether an argument equals a given value. This matchers uses reference comparison if the
* expected and actual arguments refer to the same object. Otherwise, lenient reflection comparison is used (This means
* the actual order of collections will be ignored and only fields that have a non default value will be compared)
*
* @author Filip Neven
* @author Tim Ducheyne
* @since 15-dec-2008
*/
public class DefaultArgumentMatcher implements ArgumentMatcher {
/* The original value passed to the argument matcher */
private final Object value;
/* Copy of the original value */
private final Object valueAtInvocationTime;
/**
* Creates a matcher for the given value. The original value is stored and a copy of the value is taken so that it
* can be compared even when the value itself was modified later-on.
*
* @param value The expected value
*/
public DefaultArgumentMatcher(Object value) {
this.value = value;
this.valueAtInvocationTime = createDeepClone(value);
}
/**
* Returns true if the given object matches the expected argument, false otherwise. If the given argument refers to
* the same object as the original value, true is returned. If the given argument is another object than the original
* value, lenient reflection comparison is used to compare the values. This means that the actual order of collections
* will be ignored and only fields that have a non default value will be compared.
*
* @param argument The argument that was used by reference, not null
* @param argumentAtInvocationTime Copy of the argument, taken at the time that the invocation was performed, not null
* @return The match result, not null
*/
public MatchResult matches(Object argument, Object argumentAtInvocationTime) {
if (value == argument) {
return SAME;
}
ReflectionComparator reflectionComparator;
if (valueAtInvocationTime instanceof Character || valueAtInvocationTime instanceof Number || valueAtInvocationTime instanceof Boolean) {
reflectionComparator = createRefectionComparator();
} else {
reflectionComparator = createRefectionComparator(LENIENT_ORDER, IGNORE_DEFAULTS);
}
if (reflectionComparator.isEqual(valueAtInvocationTime, argumentAtInvocationTime)) {
return MATCH;
}
return NO_MATCH;
}
}