| 1 | /* |
| 2 | * JTiger Unit Testing Framework for J2SE 1.5 |
| 3 | * Copyright (C) 2005 Tony Morris |
| 4 | * |
| 5 | * This software is licenced under the |
| 6 | * Common Public Licence version 1.0 |
| 7 | * http://www.opensource.org/licenses/cpl1.0.php |
| 8 | * |
| 9 | * You received a copy of this licence with this software. |
| 10 | */ |
| 11 | package org.jtiger.framework.junit; |
| 12 | |
| 13 | import java.lang.reflect.InvocationTargetException; |
| 14 | import java.lang.reflect.Method; |
| 15 | import org.jtiger.framework.SetUpException; |
| 16 | import org.jtiger.framework.SetUpTearDown; |
| 17 | import org.jtiger.framework.TearDownException; |
| 18 | |
| 19 | /** |
| 20 | * This implementation of {@link SetUpTearDown} is intended to be used to execute test cases that have been written |
| 21 | * using <a href="%junit.url%" target="_blank">the JUnit Test Framework</a>. The implementation is passed to the |
| 22 | * framework by returning an instance from {@link org.jtiger.framework.FixturesRunnerConfig#getSutdClass()} or by |
| 23 | * passing the qualified class name as {@link org.jtiger.framework.FixturesRunnerMain#ARG_SUTD_CLASS the appropriate |
| 24 | * argument} on the command line to {@link org.jtiger.framework.FixturesRunnerMain#main(String[]) the framework main |
| 25 | * method}. |
| 26 | * |
| 27 | * @author %javadoc.author.tag% |
| 28 | * @version %version%<br/> |
| 29 | * <i>Build Number %build.number%</i><br/> |
| 30 | * <i>Build Time %build.time% CET (GMT + 1)</i> |
| 31 | */ |
| 32 | public final class JUnitSetUpTearDown implements SetUpTearDown |
| 33 | { |
| 34 | private static final String SETUP_METHOD = "setUp"; |
| 35 | private static final String TEARDOWN_METHOD = "tearDown"; |
| 36 | |
| 37 | /** |
| 38 | * Create a default instance of <tt>JUnitSetUpTearDown</tt>. |
| 39 | */ |
| 40 | public JUnitSetUpTearDown() |
| 41 | { |
| 42 | |
| 43 | } |
| 44 | |
| 45 | /** |
| 46 | * Perform the setting up of <a href="%junit.url%" target="_blank">JUnit Test Framework</a> test cases. |
| 47 | * |
| 48 | * @param fixture The test fixture to set up. |
| 49 | * @throws SetUpException If a <code>setUp</code> method cannot be found or if an error occurs during reflective |
| 50 | * invocation of the JUnit <code>setUp</code> method. |
| 51 | */ |
| 52 | public void setUp(final Object fixture) throws SetUpException |
| 53 | { |
| 54 | final Method m = JUnitSetUpTearDown.getSetUpMethod(fixture.getClass()); |
| 55 | |
| 56 | if(m == null) |
| 57 | { |
| 58 | throw new SetUpException(); |
| 59 | } |
| 60 | else |
| 61 | { |
| 62 | if(!m.isAccessible()) |
| 63 | { |
| 64 | m.setAccessible(true); |
| 65 | } |
| 66 | |
| 67 | try |
| 68 | { |
| 69 | m.invoke(fixture); |
| 70 | } |
| 71 | catch(IllegalAccessException e) |
| 72 | { |
| 73 | throw new SetUpException(e.getMessage(), e); |
| 74 | } |
| 75 | catch(InvocationTargetException e) |
| 76 | { |
| 77 | throw new SetUpException(e.getMessage(), e); |
| 78 | } |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | /** |
| 83 | * Perform the tearing down of <a href="%junit.url%" target="_blank">JUnit Test Framework</a> test cases. |
| 84 | * |
| 85 | * @param fixture The test fixture to tear down. |
| 86 | * @throws TearDownException If a <code>tearDown</code> method cannot be found or if an error occurs during |
| 87 | * reflective invocation of the JUnit <code>tearDown</code> method. |
| 88 | */ |
| 89 | public void tearDown(final Object fixture) throws TearDownException |
| 90 | { |
| 91 | final Method m = JUnitSetUpTearDown.getTearDownMethod(fixture.getClass()); |
| 92 | |
| 93 | if(m == null) |
| 94 | { |
| 95 | throw new TearDownException(); |
| 96 | } |
| 97 | else |
| 98 | { |
| 99 | if(!m.isAccessible()) |
| 100 | { |
| 101 | m.setAccessible(true); |
| 102 | } |
| 103 | |
| 104 | try |
| 105 | { |
| 106 | m.invoke(fixture); |
| 107 | } |
| 108 | catch(IllegalAccessException e) |
| 109 | { |
| 110 | throw new TearDownException(e.getMessage(), e); |
| 111 | } |
| 112 | catch(InvocationTargetException e) |
| 113 | { |
| 114 | throw new TearDownException(e.getMessage(), e); |
| 115 | } |
| 116 | } |
| 117 | } |
| 118 | |
| 119 | private static Method getSetUpMethod(Class<?> c) |
| 120 | { |
| 121 | while(c != null) |
| 122 | { |
| 123 | final Method[] methods = c.getDeclaredMethods(); |
| 124 | |
| 125 | for(Method m : methods) |
| 126 | { |
| 127 | if(m.getName().equals(JUnitSetUpTearDown.SETUP_METHOD) && |
| 128 | m.getParameterTypes().length == 0) |
| 129 | { |
| 130 | return m; |
| 131 | } |
| 132 | } |
| 133 | |
| 134 | c = c.getSuperclass(); |
| 135 | } |
| 136 | |
| 137 | return null; |
| 138 | } |
| 139 | |
| 140 | private static Method getTearDownMethod(Class<?> c) |
| 141 | { |
| 142 | while(c != null) |
| 143 | { |
| 144 | final Method[] methods = c.getDeclaredMethods(); |
| 145 | |
| 146 | for(Method m : methods) |
| 147 | { |
| 148 | if(m.getName().equals(JUnitSetUpTearDown.TEARDOWN_METHOD) && |
| 149 | m.getParameterTypes().length == 0) |
| 150 | { |
| 151 | return m; |
| 152 | } |
| 153 | } |
| 154 | |
| 155 | c = c.getSuperclass(); |
| 156 | } |
| 157 | |
| 158 | return null; |
| 159 | } |
| 160 | } |