/*
* Copyright 2006-2007, 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.core;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;
import org.junit.Before;
import org.junit.Test;
import org.unitils.core.UnitilsException;
import static org.unitils.mock.ArgumentMatchers.notNull;
import org.unitils.mock.core.proxy.ProxyInvocation;
import org.unitils.mock.mockbehavior.MockBehavior;
import java.io.IOException;
import java.util.ArrayList;
/**
* Test for verifying syntax problems when defining mock behavior and assertions.
*
* @author Tim Ducheyne
* @author Filip Neven
*/
public class MockObjectInvalidSyntaxTest {
/* Class under test */
private MockObject<TestClass> mockObject;
@Before
public void setUp() {
mockObject = new MockObject<TestClass>("testMock1", TestClass.class, this);
}
@Test
public void incompleteBehaviorDefinition_returns_followedBySecondBehaviorDefinition() {
try {
mockObject.returns("aValue");
mockObject.returns("aValue");
fail("Expected UnitilsException");
} catch (UnitilsException e) {
assertCorrectTopLevelClassInStackTrace(e);
}
}
private void assertCorrectTopLevelClassInStackTrace(UnitilsException e) {
StackTraceElement[] stackTrace = e.getStackTrace();
assertEquals(MockObjectInvalidSyntaxTest.class.getName(), stackTrace[0].getClassName());
}
@Test
public void incompleteBehaviorDefinition_returns_followedByActualInvocation() {
try {
mockObject.returns("aValue");
mockObject.getMock().testMethod();
} catch (UnitilsException e) {
assertCorrectTopLevelClassInStackTrace(e);
}
}
@Test
public void incompleteBehaviorDefinition_raises() {
try {
mockObject.raises(new RuntimeException());
mockObject.returns("aValue");
} catch (UnitilsException e) {
assertCorrectTopLevelClassInStackTrace(e);
}
}
@Test
public void incompleteBehaviorDefinition_performs() {
try {
mockObject.performs(new MockBehavior() {
public Object execute(ProxyInvocation mockInvocation) throws Throwable {
return null;
}
});
mockObject.assertInvoked();
} catch (UnitilsException e) {
assertCorrectTopLevelClassInStackTrace(e);
}
}
@Test
public void incompleteBehaviorDefinition_onceReturns() {
try {
mockObject.onceReturns("aValue");
mockObject.returns("aValue");
} catch (UnitilsException e) {
assertCorrectTopLevelClassInStackTrace(e);
}
}
@Test
public void incompleteBehaviorDefinition_onceRaises() {
try {
mockObject.onceRaises(new RuntimeException());
mockObject.returns("aValue");
} catch (UnitilsException e) {
assertCorrectTopLevelClassInStackTrace(e);
}
}
@Test
public void incompleteBehaviorDefinition_oncePerforms() {
try {
mockObject.oncePerforms(new MockBehavior() {
public Object execute(ProxyInvocation mockInvocation) throws Throwable {
return null;
}
});
mockObject.assertInvoked();
} catch (UnitilsException e) {
assertCorrectTopLevelClassInStackTrace(e);
}
}
@Test
public void incompleteAssertStatement_assertInvoked() {
try {
mockObject.assertInvoked();
mockObject.assertInvoked();
} catch (UnitilsException e) {
assertCorrectTopLevelClassInStackTrace(e);
}
}
@Test
public void incompleteAssertStatement_assertInvokedInOrder() {
try {
mockObject.assertInvokedInSequence();
mockObject.assertInvoked();
} catch (UnitilsException e) {
assertCorrectTopLevelClassInStackTrace(e);
}
}
@Test
public void incompleteAssertStatement_assertNotInvoked() {
try {
mockObject.assertNotInvoked();
mockObject.assertNotInvoked();
} catch (UnitilsException e) {
assertCorrectTopLevelClassInStackTrace(e);
}
}
@Test
public void tryToLetVoidMethodReturnValue() {
try {
mockObject.returns("value").testMethod();
mockObject.getMock().testMethod();
} catch (UnitilsException e) {
assertCorrectTopLevelClassInStackTrace(e);
}
}
@Test
public void tryToLetMethodReturnIncompatibleReturnValue() {
try {
mockObject.returns(new ArrayList<String>()).testMethod();
mockObject.getMock().testMethod();
} catch (UnitilsException e) {
assertCorrectTopLevelClassInStackTrace(e);
}
}
@Test
public void tryToLetMethodThrowUndeclaredCheckedException() {
try {
mockObject.raises(IOException.class).testMethod();
mockObject.getMock().testMethod();
} catch (UnitilsException e) {
assertCorrectTopLevelClassInStackTrace(e);
}
}
@Test(expected = UnitilsException.class)
public void argumentMatcherUsedOutsideBehaviorDefinition() {
notNull(String.class);
}
@Test
public void nestedBehaviorDefintionCall() {
try {
mockObject.raises(IllegalArgumentException.class).testMethodArgument(mockObject.returns("aValue").testMethodReturningString());
} catch (UnitilsException e) {
assertCorrectTopLevelClassInStackTrace(e);
}
}
/**
* Interface that is mocked during the tests
*/
private static interface TestClass {
public String testMethodReturningString();
public void testMethod();
public void testMethodArgument(String str);
}
}