001 // Copyright 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. 014 015 package org.apache.tapestry.components; 016 017 import static org.easymock.EasyMock.expect; 018 import static org.easymock.EasyMock.expectLastCall; 019 020 import org.apache.tapestry.BaseComponentTestCase; 021 import org.apache.tapestry.IActionListener; 022 import org.apache.tapestry.IMarkupWriter; 023 import org.apache.tapestry.IRequestCycle; 024 import org.apache.tapestry.listener.ListenerInvoker; 025 import org.testng.annotations.Test; 026 027 /** 028 * Tests for {@link org.apache.tapestry.components.InvokeListener}. 029 * 030 * @author Howard M. Lewis Ship 031 * @since 4.0 032 */ 033 @Test 034 public class TestInvokeListener extends BaseComponentTestCase 035 { 036 private IActionListener newListener() 037 { 038 return newMock(IActionListener.class); 039 } 040 041 private ListenerInvoker newInvoker() 042 { 043 return newMock(ListenerInvoker.class); 044 } 045 046 public void testSuccess() 047 { 048 IMarkupWriter writer = newWriter(); 049 IRequestCycle cycle = newMock(IRequestCycle.class); 050 051 IActionListener listener = newListener(); 052 ListenerInvoker invoker = newInvoker(); 053 054 Object[] parameters = new Object[0]; 055 056 InvokeListener component = newInstance(InvokeListener.class, 057 new Object[] { 058 "listener", listener, 059 "parameters", parameters, 060 "listenerInvoker", invoker, 061 }); 062 063 expect(cycle.renderStackPush(component)).andReturn(component); 064 065 cycle.setListenerParameters(parameters); 066 invoker.invokeListener(listener, component, cycle); 067 cycle.setListenerParameters(null); 068 069 expect(cycle.renderStackPop()).andReturn(component); 070 071 replay(); 072 073 component.render(writer, cycle); 074 075 verify(); 076 } 077 078 public void testEnsureParametersClearedAfterException() 079 { 080 IMarkupWriter writer = newWriter(); 081 IRequestCycle cycle = newMock(IRequestCycle.class); 082 083 IActionListener listener = newListener(); 084 085 ListenerInvoker invoker = newMock(ListenerInvoker.class); 086 087 Throwable t = new RuntimeException(); 088 089 Object[] parameters = new Object[0]; 090 091 InvokeListener component = newInstance(InvokeListener.class, 092 new Object[] { 093 "listener", listener, 094 "parameters", parameters, 095 "listenerInvoker", invoker, 096 }); 097 098 expect(cycle.renderStackPush(component)).andReturn(component); 099 100 cycle.setListenerParameters(parameters); 101 102 invoker.invokeListener(listener, component, cycle); 103 expectLastCall().andThrow(t); 104 105 cycle.setListenerParameters(null); 106 107 expect(cycle.renderStackPop()).andReturn(component); 108 109 replay(); 110 111 try 112 { 113 component.render(writer, cycle); 114 unreachable(); 115 } 116 catch (RuntimeException ex) 117 { 118 assertSame(t, ex); 119 } 120 121 verify(); 122 } 123 }