1 /* 2 * Copyright 2010 Google Inc. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package com.google.android.testing.mocking; 17 18 import javassist.CannotCompileException; 19 import javassist.ClassPool; 20 import javassist.CtClass; 21 import javassist.NotFoundException; 22 23 import junit.framework.TestCase; 24 25 import java.io.File; 26 import java.io.IOException; 27 import java.util.ArrayList; 28 import java.util.Arrays; 29 import java.util.Collection; 30 import java.util.List; 31 import java.util.Vector; 32 import java.util.jar.JarEntry; 33 34 /** 35 * @author swoodward (at) google.com (Stephen Woodward) 36 */ 37 public class AndroidFrameworkMockGeneratorTest extends TestCase { 38 private void cleanupGeneratedClasses(CtClass... classes) { 39 for (CtClass clazz : classes) { 40 clazz.detach(); 41 } 42 } 43 44 private Collection<JarEntry> getMockJarEntries() { 45 JarEntry firstEntry = new JarEntry("java/lang/Object.class"); 46 JarEntry secondEntry = new JarEntry( 47 "com/google/android/testing/mocking/AndroidFrameworkMockGeneratorTest$Inner.class"); 48 List<JarEntry> entryList = new ArrayList<JarEntry>(); 49 entryList.add(firstEntry); 50 entryList.add(secondEntry); 51 return entryList; 52 } 53 54 private <T> void assertUnorderedContentsSame(Iterable<T> expected, Iterable<T> actual) { 55 List<T> missingItems = new ArrayList<T>(); 56 List<T> extraItems = new ArrayList<T>(); 57 for (T item : expected) { 58 missingItems.add(item); 59 } 60 for (T item : actual) { 61 missingItems.remove(item); 62 extraItems.add(item); 63 } 64 for (T item : expected) { 65 extraItems.remove(item); 66 } 67 if (missingItems.size() + extraItems.size() != 0) { 68 String errorMessage = 69 "Contents were different. Missing: " + Arrays.toString(missingItems.toArray()) 70 + " Extra: " + Arrays.toString(extraItems.toArray()); 71 fail(errorMessage); 72 } 73 } 74 75 private List<String> getClassNames(List<GeneratedClassFile> classes) { 76 List<String> classNames = new ArrayList<String>(); 77 for (GeneratedClassFile clazz : classes) { 78 classNames.add(clazz.getClassName()); 79 } 80 return classNames; 81 } 82 83 private AndroidFrameworkMockGenerator getMockGenerator() { 84 return new AndroidFrameworkMockGenerator(); 85 } 86 87 public void testCreateMockForClass() throws ClassNotFoundException, IOException, 88 CannotCompileException { 89 AndroidFrameworkMockGenerator mockGenerator = getMockGenerator(); 90 for (SdkVersion version : SdkVersion.getAllVersions()) { 91 List<GeneratedClassFile> classes = mockGenerator.createMocksForClass(Object.class, version); 92 93 List<String> expectedNames = new ArrayList<String>(); 94 expectedNames.addAll(Arrays.asList(new String[] { 95 version.getPackagePrefix() + "genmocks.java.lang.ObjectDelegateSubclass", 96 version.getPackagePrefix() + "genmocks.java.lang.ObjectDelegateInterface"})); 97 List<String> actualNames = getClassNames(classes); 98 assertUnorderedContentsSame(expectedNames, actualNames); 99 } 100 } 101 102 public void testGetClassList() throws ClassNotFoundException { 103 Collection<JarEntry> jarEntries = getMockJarEntries(); 104 List<String> expectedClassNames = 105 new ArrayList<String>(Arrays.asList(new String[] { 106 "java.lang.Object", 107 "com.google.android.testing.mocking.AndroidFrameworkMockGeneratorTest$Inner"})); 108 List<Class<?>> list = getMockGenerator().getClassList(jarEntries); 109 assertEquals(expectedClassNames.size(), list.size()); 110 for (Class<?> clazz : list) { 111 assertTrue(clazz.getName(), expectedClassNames.contains(clazz.getName())); 112 } 113 } 114 115 public void testIsClassFile() { 116 assertTrue(getMockGenerator().jarEntryIsClassFile(new JarEntry("something.class"))); 117 assertTrue(getMockGenerator().jarEntryIsClassFile(new JarEntry("/Foo/Bar.class"))); 118 assertFalse(getMockGenerator().jarEntryIsClassFile(new JarEntry("/Foo/Bar.clas"))); 119 assertFalse(getMockGenerator().jarEntryIsClassFile(new JarEntry("/Foo/Bar.class "))); 120 assertFalse(getMockGenerator().jarEntryIsClassFile(new JarEntry("/Foo/Bar"))); 121 } 122 123 public void testGetJarFileNameForVersion() { 124 for (SdkVersion version : SdkVersion.getAllVersions()) { 125 getMockGenerator(); 126 assertEquals("lib/android/android_" + version.getVersionName() + ".jar", 127 AndroidFrameworkMockGenerator.getJarFileNameForVersion(version) 128 .replace('\\', '/')); 129 } 130 } 131 132 public void testGetMocksForClass() throws ClassNotFoundException, IOException, 133 CannotCompileException, NotFoundException { 134 List<CtClass> createdClasses = new ArrayList<CtClass>(); 135 AndroidFrameworkMockGenerator mockGenerator = getMockGenerator(); 136 for (SdkVersion version : SdkVersion.getAllVersions()) { 137 List<GeneratedClassFile> createdMocks = mockGenerator.createMocksForClass( 138 Vector.class, version); 139 for (GeneratedClassFile mock : createdMocks) { 140 CtClass ctClass = ClassPool.getDefault().get(mock.getClassName()); 141 createdClasses.add(ctClass); 142 ctClass.toClass(); 143 } 144 } 145 List<GeneratedClassFile> mocks = mockGenerator.getMocksForClass(Vector.class); 146 String[] expectedClassNames = new String[] { 147 "v15.genmocks.java.util.VectorDelegateSubclass", 148 "v15.genmocks.java.util.VectorDelegateInterface", 149 "v16.genmocks.java.util.VectorDelegateSubclass", 150 "v16.genmocks.java.util.VectorDelegateInterface", 151 "v201.genmocks.java.util.VectorDelegateSubclass", 152 "v201.genmocks.java.util.VectorDelegateInterface", 153 "v21.genmocks.java.util.VectorDelegateSubclass", 154 "v21.genmocks.java.util.VectorDelegateInterface", 155 "v22.genmocks.java.util.VectorDelegateSubclass", 156 "v22.genmocks.java.util.VectorDelegateInterface", 157 "v23.genmocks.java.util.VectorDelegateSubclass", 158 "v23.genmocks.java.util.VectorDelegateInterface" 159 }; 160 assertEquals(expectedClassNames.length, mocks.size()); 161 for (int i = 0; i < mocks.size(); ++i) { 162 assertEquals(expectedClassNames[i], mocks.get(i).getClassName()); 163 } 164 cleanupGeneratedClasses(createdClasses.toArray(new CtClass[0])); 165 } 166 167 class Inner { 168 } 169 } 170
