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.services.impl; 016 017 import static org.easymock.EasyMock.expect; 018 019 import java.util.Locale; 020 021 import org.apache.hivemind.ApplicationRuntimeException; 022 import org.apache.hivemind.ErrorLog; 023 import org.apache.hivemind.impl.DefaultClassResolver; 024 import org.apache.tapestry.BaseComponentTestCase; 025 import org.apache.tapestry.IEngine; 026 import org.apache.tapestry.engine.AbstractEngine; 027 import org.apache.tapestry.engine.BaseEngine; 028 import org.apache.tapestry.spec.IApplicationSpecification; 029 import org.testng.annotations.Test; 030 031 /** 032 * Tests for {@link org.apache.tapestry.services.impl.EngineFactoryImpl}. 033 * 034 * @author Howard Lewis Ship 035 * @since 4.0 036 */ 037 @Test 038 public class EngineFactoryTest extends BaseComponentTestCase 039 { 040 public void testUseDefault() 041 { 042 IApplicationSpecification spec = newAppSpec(); 043 044 // Training 045 046 trainGetEngineClassName(spec, null); 047 048 EngineFactoryImpl f = new EngineFactoryImpl(); 049 050 f.setApplicationSpecification(spec); 051 f.setClassResolver(new DefaultClassResolver()); 052 f.setDefaultEngineClassName(BaseEngine.class.getName()); 053 054 replay(); 055 056 f.initializeService(); 057 058 IEngine result = f.constructNewEngineInstance(Locale.CANADA_FRENCH); 059 060 assertTrue(result instanceof BaseEngine); 061 assertEquals(Locale.CANADA_FRENCH, result.getLocale()); 062 063 verify(); 064 } 065 066 private void trainGetEngineClassName(IApplicationSpecification spec, String engineClassName) 067 { 068 expect(spec.getEngineClassName()).andReturn(engineClassName); 069 } 070 071 private IApplicationSpecification newAppSpec() 072 { 073 return newMock(IApplicationSpecification.class); 074 } 075 076 public void testDefinedInSpec() 077 { 078 IApplicationSpecification spec = newAppSpec(); 079 080 trainGetEngineClassName(spec, EngineFixture.class.getName()); 081 082 EngineFactoryImpl f = new EngineFactoryImpl(); 083 084 f.setApplicationSpecification(spec); 085 f.setClassResolver(new DefaultClassResolver()); 086 087 replay(); 088 089 f.initializeService(); 090 091 IEngine result = f.constructNewEngineInstance(Locale.CHINESE); 092 093 assertTrue(result instanceof EngineFixture); 094 assertEquals(Locale.CHINESE, result.getLocale()); 095 096 verify(); 097 } 098 099 public void testUnableToInstantiate() 100 { 101 IApplicationSpecification spec = newAppSpec(); 102 103 // Training 104 105 trainGetEngineClassName(spec, AbstractEngine.class.getName()); 106 107 EngineFactoryImpl f = new EngineFactoryImpl(); 108 109 f.setApplicationSpecification(spec); 110 f.setClassResolver(new DefaultClassResolver()); 111 112 replay(); 113 114 f.initializeService(); 115 116 try 117 { 118 f.constructNewEngineInstance(Locale.CHINESE); 119 unreachable(); 120 } 121 catch (ApplicationRuntimeException ex) 122 { 123 assertExceptionSubstring( 124 ex, 125 "Unable to instantiate engine as instance of class org.apache.tapestry.engine.AbstractEngine"); 126 } 127 128 verify(); 129 } 130 131 public void testInvalidClass() 132 { 133 IApplicationSpecification spec = newAppSpec(); 134 135 trainGetEngineClassName(spec, "foo.XyzzYx"); 136 137 ErrorLog log = newMock(ErrorLog.class); 138 139 log.error("Engine class 'foo.XyzzYx' not found.", null, null); 140 141 EngineFactoryImpl f = new EngineFactoryImpl(); 142 143 f.setApplicationSpecification(spec); 144 f.setClassResolver(new DefaultClassResolver()); 145 f.setErrorLog(log); 146 f.setDefaultEngineClassName(BaseEngine.class.getName()); 147 148 replay(); 149 150 f.initializeService(); 151 152 IEngine result = f.constructNewEngineInstance(Locale.CANADA_FRENCH); 153 154 assertTrue(result instanceof BaseEngine); 155 156 verify(); 157 } 158 }