| 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; |
| 12 | |
| 13 | import java.lang.reflect.InvocationTargetException; |
| 14 | import java.lang.reflect.Method; |
| 15 | import java.util.Arrays; |
| 16 | import java.util.HashSet; |
| 17 | import java.util.Set; |
| 18 | |
| 19 | /** |
| 20 | * The default implementation of setting up and tearing down a unit test case. |
| 21 | * This implementation searches for the {@link SetUp} annotation present on a method and calls it to set up a test case. |
| 22 | * This implementation searches for the {@link TearDown} annotation present on a method and calls it to tear down a test |
| 23 | * case. If more than one method contains either of these annotations, it cannot be guaranteed which order they are |
| 24 | * executed in. |
| 25 | * |
| 26 | * @see SetUpTearDown |
| 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 DefaultSetUpTearDownFactory |
| 33 | { |
| 34 | private DefaultSetUpTearDownFactory() |
| 35 | { |
| 36 | |
| 37 | } |
| 38 | |
| 39 | /** |
| 40 | * Returns a new instance of the default implementation to handle setting up and tearing down of unit test cases. |
| 41 | * |
| 42 | * @return A new instance of the default implementation to handle setting up and tearing down of unit test cases. |
| 43 | */ |
| 44 | public static SetUpTearDown newDefaultSetUpTearDown() |
| 45 | { |
| 46 | return new DefaultSetUpTearDownImpl(); |
| 47 | } |
| 48 | |
| 49 | private static final class DefaultSetUpTearDownImpl implements SetUpTearDown |
| 50 | { |
| 51 | DefaultSetUpTearDownImpl() |
| 52 | { |
| 53 | |
| 54 | } |
| 55 | |
| 56 | public void setUp(final Object fixture) throws SetUpException |
| 57 | { |
| 58 | final Class<?> c = fixture.getClass(); |
| 59 | |
| 60 | final Method[] methods = c.getMethods(); |
| 61 | final Method[] declaredMethods = c.getDeclaredMethods(); |
| 62 | final Set<Method> allMethods = new HashSet<Method>(Arrays.asList(methods)); |
| 63 | allMethods.addAll(Arrays.asList(declaredMethods)); |
| 64 | |
| 65 | for(Method m : allMethods) |
| 66 | { |
| 67 | if(m.getParameterTypes().length == 0 && m.isAnnotationPresent(SetUp.class)) |
| 68 | { |
| 69 | final boolean isAccessible = m.isAccessible(); |
| 70 | |
| 71 | if(!isAccessible) |
| 72 | { |
| 73 | m.setAccessible(true); |
| 74 | } |
| 75 | |
| 76 | try |
| 77 | { |
| 78 | m.invoke(fixture); |
| 79 | } |
| 80 | catch(IllegalAccessException e) |
| 81 | { |
| 82 | throw new SetUpException(e.getMessage(), e); |
| 83 | } |
| 84 | catch(InvocationTargetException e) |
| 85 | { |
| 86 | throw new SetUpException(e.getMessage(), e); |
| 87 | } |
| 88 | |
| 89 | m.setAccessible(isAccessible); |
| 90 | } |
| 91 | } |
| 92 | } |
| 93 | |
| 94 | public void tearDown(final Object fixture) throws TearDownException |
| 95 | { |
| 96 | final Class<?> c = fixture.getClass(); |
| 97 | |
| 98 | final Method[] methods = c.getMethods(); |
| 99 | final Method[] declaredMethods = c.getDeclaredMethods(); |
| 100 | final Set<Method> allMethods = new HashSet<Method>(Arrays.asList(methods)); |
| 101 | allMethods.addAll(Arrays.asList(declaredMethods)); |
| 102 | |
| 103 | for(Method m : allMethods) |
| 104 | { |
| 105 | if(m.getParameterTypes().length == 0 && m.isAnnotationPresent(TearDown.class)) |
| 106 | { |
| 107 | final boolean isAccessible = m.isAccessible(); |
| 108 | |
| 109 | if(!isAccessible) |
| 110 | { |
| 111 | m.setAccessible(true); |
| 112 | } |
| 113 | |
| 114 | try |
| 115 | { |
| 116 | m.invoke(fixture); |
| 117 | } |
| 118 | catch(IllegalAccessException e) |
| 119 | { |
| 120 | throw new TearDownException(e.getMessage(), e); |
| 121 | } |
| 122 | catch(InvocationTargetException e) |
| 123 | { |
| 124 | throw new TearDownException(e.getMessage(), e); |
| 125 | } |
| 126 | |
| 127 | m.setAccessible(isAccessible); |
| 128 | } |
| 129 | } |
| 130 | } |
| 131 | } |
| 132 | } |