001 /*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017
018 package org.apache.commons.proxy.interceptor;
019
020 import org.apache.commons.logging.Log;
021 import org.apache.commons.proxy.factory.cglib.CglibProxyFactory;
022 import org.apache.commons.proxy.util.Echo;
023 import org.apache.commons.proxy.util.EchoImpl;
024 import org.jmock.Mock;
025 import org.jmock.MockObjectTestCase;
026
027 import java.io.IOException;
028
029 public class TestLoggingInterceptor extends MockObjectTestCase
030 {
031 private Mock logMock;
032 private Echo echo;
033
034 protected void setUp() throws Exception
035 {
036 logMock = mock( Log.class );
037 echo = ( Echo ) new CglibProxyFactory()
038 .createInterceptorProxy( new EchoImpl(), new LoggingInterceptor( ( Log ) logMock.proxy() ),
039 new Class[]{ Echo.class } );
040 }
041
042 public void testWhenLoggingDisabled()
043 {
044 logMock = mock( Log.class );
045 echo = ( Echo ) new CglibProxyFactory()
046 .createInterceptorProxy( new EchoImpl(), new LoggingInterceptor( ( Log ) logMock.proxy() ),
047 new Class[]{ Echo.class } );
048 logMock.expects( once() ).method( "isDebugEnabled" ).will( returnValue( false ) );
049 echo.echoBack( "Hello" );
050
051 }
052
053 public void testWithArrayParameter()
054 {
055 logMock.expects( once() ).method( "isDebugEnabled" ).will( returnValue( true ) );
056 logMock.expects( once() ).method( "debug" ).with( eq( "BEGIN echoBack((java.lang.String[]){Hello, World})" ) );
057 logMock.expects( once() ).method( "debug" ).with( eq( "END echoBack() [HelloWorld]" ) );
058 echo.echoBack( new String[] { "Hello", "World" } );
059 }
060
061 public void testMultipleParameters()
062 {
063 logMock.expects( once() ).method( "isDebugEnabled" ).will( returnValue( true ) );
064 logMock.expects( once() ).method( "debug" ).with( eq( "BEGIN echoBack(Hello, World)" ) );
065 logMock.expects( once() ).method( "debug" ).with( eq( "END echoBack() [HelloWorld]" ) );
066 echo.echoBack( "Hello", "World" );
067 }
068
069 public void testNullReturnValue()
070 {
071 logMock.expects( once() ).method( "isDebugEnabled" ).will( returnValue( true ) );
072 logMock.expects( once() ).method( "debug" ).with( eq( "BEGIN echoBack(<null>)" ) );
073 logMock.expects( once() ).method( "debug" ).with( eq( "END echoBack() [<null>]" ) );
074 echo.echoBack( ( String )null );
075 }
076
077 public void testNonVoidMethod()
078 {
079 logMock.expects( once() ).method( "isDebugEnabled" ).will( returnValue( true ) );
080 logMock.expects( once() ).method( "debug" ).with( eq( "BEGIN echoBack(Hello)" ) );
081 logMock.expects( once() ).method( "debug" ).with( eq( "END echoBack() [Hello]" ) );
082 echo.echoBack( "Hello" );
083 }
084
085 public void testException()
086 {
087 logMock.expects( once() ).method( "isDebugEnabled" ).will( returnValue( true ) );
088 logMock.expects( once() ).method( "debug" ).with( eq( "BEGIN ioException()" ) );
089 logMock.expects( once() ).method( "debug" ).with( eq( "EXCEPTION ioException() -- java.io.IOException" ), isA( IOException.class ) );
090 try
091 {
092 echo.ioException();
093 fail();
094 }
095 catch( IOException e )
096 {
097
098 }
099 }
100
101 public void testRuntimeException()
102 {
103 logMock.expects( once() ).method( "isDebugEnabled" ).will( returnValue( true ) );
104 logMock.expects( once() ).method( "debug" ).with( eq( "BEGIN illegalArgument()" ) );
105 logMock.expects( once() ).method( "debug" ).with( eq( "EXCEPTION illegalArgument() -- java.lang.IllegalArgumentException" ), isA( IllegalArgumentException.class ) );
106 try
107 {
108 echo.illegalArgument();
109 fail();
110 }
111 catch( IllegalArgumentException e )
112 {
113
114 }
115 }
116
117 public void testVoidMethod()
118 {
119 logMock.expects( once() ).method( "isDebugEnabled" ).will( returnValue( true ) );
120 logMock.expects( once() ).method( "debug" ).with( eq( "BEGIN echo()" ) );
121 logMock.expects( once() ).method( "debug" ).with( eq( "END echo()" ) );
122 echo.echo();
123 }
124
125 }