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. 014 015 package org.apache.tapestry.script; 016 017 import static org.easymock.EasyMock.expect; 018 019 import org.apache.hivemind.ApplicationRuntimeException; 020 import org.apache.hivemind.Location; 021 import org.apache.tapestry.BaseComponentTestCase; 022 import org.testng.annotations.Test; 023 024 /** 025 * Tests {@link org.apache.tapestry.script.IfToken}, the basis for the <if> and 026 * <if-not> elements. 027 * 028 * @author Howard M. Lewis Ship 029 * @since 4.0 030 */ 031 @Test 032 public class TestIfToken extends BaseComponentTestCase 033 { 034 public void testEvaluateTrue() 035 { 036 ScriptSession s = newMock(ScriptSession.class); 037 038 IScriptToken nested = newMock(IScriptToken.class); 039 040 expect(s.evaluate("EXPRESSION", Boolean.class)).andReturn(Boolean.TRUE); 041 042 StringBuffer buffer = new StringBuffer(); 043 044 nested.write(buffer, s); 045 046 replay(); 047 048 IfToken t = new IfToken(true, "EXPRESSION", null); 049 t.addToken(nested); 050 051 t.write(buffer, s); 052 053 verify(); 054 } 055 056 public void testEvaluateFalse() 057 { 058 ScriptSession s = newMock(ScriptSession.class); 059 060 IScriptToken nested = newMock(IScriptToken.class); 061 062 expect(s.evaluate("EXPRESSION", Boolean.class)).andReturn(Boolean.FALSE); 063 064 StringBuffer buffer = new StringBuffer(); 065 066 replay(); 067 068 IfToken t = new IfToken(true, "EXPRESSION", null); 069 t.addToken(nested); 070 071 t.write(buffer, s); 072 073 verify(); 074 } 075 076 public void testEvaluateMatch() 077 { 078 ScriptSession s = newMock(ScriptSession.class); 079 080 IScriptToken nested = newMock(IScriptToken.class); 081 082 expect(s.evaluate("EXPRESSION", Boolean.class)).andReturn(Boolean.FALSE); 083 084 StringBuffer buffer = new StringBuffer(); 085 086 nested.write(buffer, s); 087 088 replay(); 089 090 IfToken t = new IfToken(false, "EXPRESSION", null); 091 t.addToken(nested); 092 093 t.write(buffer, s); 094 095 verify(); 096 } 097 098 public void testEvaluateFailure() 099 { 100 Location l = fabricateLocation(8); 101 Throwable inner = new ApplicationRuntimeException("Simulated error."); 102 103 ScriptSession s = newMock(ScriptSession.class); 104 105 expect(s.evaluate("EXPRESSION", Boolean.class)).andThrow(inner); 106 107 replay(); 108 109 IfToken t = new IfToken(false, "EXPRESSION", l); 110 111 try 112 { 113 t.write(null, s); 114 115 unreachable(); 116 } 117 catch (ApplicationRuntimeException ex) 118 { 119 assertEquals(inner.getMessage(), ex.getMessage()); 120 assertSame(l, ex.getLocation()); 121 assertSame(inner, ex.getRootCause()); 122 } 123 } 124 }