/*
* Copyright 2002-2006 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 junit.framework.TestCase;
import org.aopalliance.intercept.MethodInvocation;
import org.apache.commons.logging.Log;
import org.easymock.MockControl;
import java.lang.reflect.Method;
/**
* Unit tests for the {@link SimpleTraceInterceptor} class.
*
* @author Rick Evans
*/
public final class SimpleTraceInterceptorTests extends TestCase {
public void testSunnyDayPathLogsCorrectly() throws Throwable {
MockControl mockLog = MockControl.createControl(Log.class);
Log log = (Log) mockLog.getMock();
MockControl mockMethodInvocation = MockControl.createControl(MethodInvocation.class);
MethodInvocation methodInvocation = (MethodInvocation) mockMethodInvocation.getMock();
Method toString = String.class.getMethod("toString", new Class[]{});
methodInvocation.getMethod();
mockMethodInvocation.setReturnValue(toString);
methodInvocation.getThis();
mockMethodInvocation.setReturnValue(this);
log.trace("Some tracing output");
mockLog.setMatcher(MockControl.ALWAYS_MATCHER);
methodInvocation.proceed();
mockMethodInvocation.setReturnValue(null);
log.trace("Some more tracing output");
mockLog.setMatcher(MockControl.ALWAYS_MATCHER);
mockLog.setVoidCallable();
mockMethodInvocation.replay();
mockLog.replay();
SimpleTraceInterceptor interceptor = new SimpleTraceInterceptor(true);
interceptor.invokeUnderTrace(methodInvocation, log);
mockLog.verify();
mockMethodInvocation.verify();
}
public void testExceptionPathStillLogsCorrectly() throws Throwable {
MockControl mockLog = MockControl.createControl(Log.class);
final Log log = (Log) mockLog.getMock();
MockControl mockMethodInvocation = MockControl.createControl(MethodInvocation.class);
final MethodInvocation methodInvocation = (MethodInvocation) mockMethodInvocation.getMock();
Method toString = String.class.getMethod("toString", new Class[]{});
methodInvocation.getMethod();
mockMethodInvocation.setReturnValue(toString);
methodInvocation.getThis();
mockMethodInvocation.setReturnValue(this);
log.trace("Some tracing output");
mockLog.setMatcher(MockControl.ALWAYS_MATCHER);
methodInvocation.proceed();
IllegalArgumentException exception = new IllegalArgumentException();
mockMethodInvocation.setThrowable(exception);
log.trace("Some more tracing output", exception);
mockLog.setMatcher(MockControl.ALWAYS_MATCHER);
mockLog.setVoidCallable();
mockMethodInvocation.replay();
mockLog.replay();
final SimpleTraceInterceptor interceptor = new SimpleTraceInterceptor(true);
try {
interceptor.invokeUnderTrace(methodInvocation, log);
fail("Must have propagated the IllegalArgumentException.");
} catch (IllegalArgumentException expected) {
}
mockLog.verify();
mockMethodInvocation.verify();
}
}