/*
* Copyright 2002-2013 the original author or authors.
*
* 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.springframework.aop.interceptor;
import org.aopalliance.intercept.MethodInvocation;
import org.apache.commons.logging.Log;
import org.junit.Test;
import static org.junit.Assert.*;
import static org.mockito.BDDMockito.*;
/**
* Unit tests for the {@link DebugInterceptor} class.
*
* @author Rick Evans
* @author Chris Beams
*/
public final class DebugInterceptorTests {
@Test
public void testSunnyDayPathLogsCorrectly() throws Throwable {
MethodInvocation methodInvocation = mock(MethodInvocation.class);
Log log = mock(Log.class);
given(log.isTraceEnabled()).willReturn(true);
DebugInterceptor interceptor = new StubDebugInterceptor(log);
interceptor.invoke(methodInvocation);
checkCallCountTotal(interceptor);
verify(log, times(2)).trace(anyString());
}
@Test
public void testExceptionPathStillLogsCorrectly() throws Throwable {
MethodInvocation methodInvocation = mock(MethodInvocation.class);
IllegalArgumentException exception = new IllegalArgumentException();
given(methodInvocation.proceed()).willThrow(exception);
Log log = mock(Log.class);
given(log.isTraceEnabled()).willReturn(true);
DebugInterceptor interceptor = new StubDebugInterceptor(log);
try {
interceptor.invoke(methodInvocation);
fail("Must have propagated the IllegalArgumentException.");
} catch (IllegalArgumentException expected) {
}
checkCallCountTotal(interceptor);
verify(log).trace(anyString());
verify(log).trace(anyString(), eq(exception));
}
private void checkCallCountTotal(DebugInterceptor interceptor) {
assertEquals("Intercepted call count not being incremented correctly", 1, interceptor.getCount());
}
@SuppressWarnings("serial")
private static final class StubDebugInterceptor extends DebugInterceptor {
private final Log log;
public StubDebugInterceptor(Log log) {
super(true);
this.log = log;
}
@Override
protected Log getLoggerForInvocation(MethodInvocation invocation) {
return log;
}
}
}