1 /* 2 * Copyright (c) 2007 Mockito contributors 3 * This program is made available under the terms of the MIT License. 4 */ 5 package org.mockitousage.configuration; 6 7 8 import org.junit.Test; 9 import org.mockito.internal.configuration.ConfigurationAccess; 10 import org.mockitoutil.SimplePerRealmReloadingClassLoader; 11 12 import java.util.concurrent.Callable; 13 14 import static org.mockito.Mockito.mock; 15 16 public class ClassCacheVersusClassReloadingTest { 17 // TODO refactor to use ClassLoaders 18 19 private SimplePerRealmReloadingClassLoader testMethodClassLoaderRealm = new SimplePerRealmReloadingClassLoader(reloadMockito()); 20 21 @Test 22 public void should_not_throw_ClassCastException_when_objenesis_cache_disabled() throws Exception { 23 prepareMockitoAndDisableObjenesisCache(); 24 25 doInNewChildRealm(testMethodClassLoaderRealm, "org.mockitousage.configuration.ClassCacheVersusClassReloadingTest$DoTheMocking"); 26 doInNewChildRealm(testMethodClassLoaderRealm, "org.mockitousage.configuration.ClassCacheVersusClassReloadingTest$DoTheMocking"); 27 } 28 29 public static class DoTheMocking implements Callable<Object> { 30 public Object call() throws Exception { 31 Class<?> clazz = this.getClass().getClassLoader().loadClass("org.mockitousage.configuration.ClassToBeMocked"); 32 return mock(clazz); 33 } 34 } 35 36 private static void doInNewChildRealm(ClassLoader parentRealm, String callableCalledInClassLoaderRealm) throws Exception { 37 new SimplePerRealmReloadingClassLoader(parentRealm, reloadScope()).doInRealm(callableCalledInClassLoaderRealm); 38 } 39 40 private static SimplePerRealmReloadingClassLoader.ReloadClassPredicate reloadScope() { 41 return new SimplePerRealmReloadingClassLoader.ReloadClassPredicate() { 42 public boolean acceptReloadOf(String qualifiedName) { 43 return "org.mockitousage.configuration.ClassCacheVersusClassReloadingTest$DoTheMocking".equals(qualifiedName) 44 || "org.mockitousage.configuration.ClassToBeMocked".equals(qualifiedName); 45 } 46 }; 47 } 48 49 private void prepareMockitoAndDisableObjenesisCache() throws Exception { 50 testMethodClassLoaderRealm.doInRealm("org.mockitousage.configuration.ClassCacheVersusClassReloadingTest$PrepareMockito"); 51 } 52 53 public static class PrepareMockito implements Callable<Boolean> { 54 public Boolean call() throws Exception { 55 Class.forName("org.mockito.Mockito"); 56 ConfigurationAccess.getConfig().overrideEnableClassCache(false); 57 return Boolean.TRUE; 58 } 59 } 60 61 private static SimplePerRealmReloadingClassLoader.ReloadClassPredicate reloadMockito() { 62 return new SimplePerRealmReloadingClassLoader.ReloadClassPredicate() { 63 public boolean acceptReloadOf(String qualifiedName) { 64 return (!qualifiedName.contains("net.bytebuddy") && qualifiedName.contains("org.mockito")); 65 } 66 }; 67 } 68 69 } 70
