001 // Copyright 2004, 2005 The Apache Software Foundation 002 // 003 // Licensed under the Apache License, Version 2.0 (the "License"); 004 // you may not use this file except in compliance with the License. 005 // You may obtain a copy of the License at 006 // 007 // http://www.apache.org/licenses/LICENSE-2.0 008 // 009 // Unless required by applicable law or agreed to in writing, software 010 // distributed under the License is distributed on an "AS IS" BASIS, 011 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 012 // See the License for the specific language governing permissions and 013 // limitations under the License. 014 package org.apache.tapestry.services.impl; 015 016 import java.io.IOException; 017 018 import org.apache.tapestry.BaseComponentTestCase; 019 import org.apache.tapestry.event.ResetEventListener; 020 import org.apache.tapestry.services.ResetEventHub; 021 import org.apache.tapestry.services.WebRequestServicer; 022 import org.apache.tapestry.web.WebRequest; 023 import org.apache.tapestry.web.WebResponse; 024 import org.testng.annotations.AfterSuite; 025 import org.testng.annotations.BeforeClass; 026 import org.testng.annotations.Test; 027 028 029 /** 030 * Tests threaded calls on {@link DisableCachingFilter}. 031 * 032 * @author jkuhnert 033 */ 034 @Test(threadPoolSize=4) 035 public class TestDisableCachingFilterThreaded extends BaseComponentTestCase 036 { 037 class MockServicer implements WebRequestServicer 038 { 039 CountingResetListener _listener; 040 041 public MockServicer(CountingResetListener listener) 042 { 043 _listener = listener; 044 } 045 046 /** 047 * {@inheritDoc} 048 */ 049 public void service(WebRequest request, WebResponse response) 050 throws IOException 051 { 052 _listener.performOperation(); 053 } 054 055 } 056 057 class CountingResetListener implements ResetEventListener 058 { 059 private int _counter=0; 060 061 public void performOperation() 062 { 063 _counter++; 064 065 if (_counter != 1) 066 throw new AssertionError("Counter should be 1 but is " + _counter); 067 } 068 069 public void resetEventDidOccur() 070 { 071 _counter--; 072 } 073 074 public int getCount() 075 { 076 return _counter; 077 } 078 } 079 080 private ResetEventHub _resetHub; 081 private CountingResetListener _listener; 082 083 DisableCachingFilter _filter; 084 WebRequestServicer _servicer; 085 086 @BeforeClass 087 public void setup_Event_Hub() 088 { 089 _resetHub = new ResetEventHubImpl(); 090 091 _filter = new DisableCachingFilter(); 092 _filter.setResetEventHub(_resetHub); 093 094 _listener = new CountingResetListener(); 095 096 _resetHub.addResetEventListener(_listener); 097 098 _servicer = new MockServicer(_listener); 099 } 100 101 @Test(invocationCount = 100, threadPoolSize=4) 102 public void invoke_Listener() throws Exception 103 { 104 _filter.service(null, null, _servicer); 105 } 106 107 @AfterSuite(alwaysRun=true) 108 public void verify_Reset_Counters() 109 { 110 assertEquals(_listener.getCount(), 0); 111 } 112 }