How to use PrepareForTest class of org.powermock.core.classloader.annotations package

Best Powermock code snippet using org.powermock.core.classloader.annotations.PrepareForTest

Source:ByteCodeFramework.java Github

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1package org.powermock.core.classloader;2import org.powermock.configuration.GlobalConfiguration;3import org.powermock.core.classloader.annotations.PrepareEverythingForTest;4import org.powermock.core.classloader.annotations.PrepareForTest;5import org.powermock.core.classloader.annotations.PrepareOnlyThisForTest;6import org.powermock.core.classloader.annotations.SuppressStaticInitializationFor;7import org.powermock.core.classloader.annotations.UseClassPathAdjuster;8import org.powermock.core.classloader.javassist.JavassistMockClassLoader;9import org.powermock.core.transformers.MockTransformerChainFactory;10import org.powermock.core.transformers.javassist.JavassistMockTransformerChainFactory;11import java.lang.reflect.AnnotatedElement;12import java.lang.reflect.Method;13public enum ByteCodeFramework {14 Javassist {15 @Override16 MockClassLoader createClassloader(final MockClassLoaderConfiguration configuration,17 final UseClassPathAdjuster useClassPathAdjuster) {18 return new JavassistMockClassLoader(configuration, useClassPathAdjuster);19 }20 21 @Override22 MockTransformerChainFactory createTransformerChainFactory() {23 return new JavassistMockTransformerChainFactory();24 }25 };26 27 public static ByteCodeFramework getByteCodeFrameworkForMethod(final Class<?> testClass, final Method method) {28 ByteCodeFramework byteCodeFramework = getByteCodeFramework(method);29 if (byteCodeFramework == null) {30 byteCodeFramework = getByteCodeFramework(testClass);31 }32 if (byteCodeFramework == null) {33 throw new IllegalArgumentException(34 String.format(35 "Either method %s or class %s is annotated by PrepareForTest/PrepareEverythingForTest", method.getName(), testClass.getName()36 )37 );38 }39 return byteCodeFramework;40 }41 42 public static ByteCodeFramework getByteCodeFrameworkForTestClass(final Class<?> testClass) {43 ByteCodeFramework byteCodeFramework = getByteCodeFramework(testClass);44 45 if (byteCodeFramework == null){46 byteCodeFramework = GlobalConfiguration.powerMockConfiguration().getByteCodeFramework();47 }48 49 return byteCodeFramework;50 }51 52 private static ByteCodeFramework getByteCodeFramework(final AnnotatedElement element) {53 if (element.isAnnotationPresent(PrepareForTest.class)) {54 return element.getAnnotation(PrepareForTest.class).byteCodeFramework();55 } else if (element.isAnnotationPresent(PrepareOnlyThisForTest.class)) {56 return element.getAnnotation(PrepareOnlyThisForTest.class).byteCodeFramework();57 } else if (element.isAnnotationPresent(PrepareEverythingForTest.class)) {58 return element.getAnnotation(PrepareEverythingForTest.class).byteCodeFramework();59 } else if (element.isAnnotationPresent(SuppressStaticInitializationFor.class)){60 return element.getAnnotation(SuppressStaticInitializationFor.class).byteCodeFramework();61 }62 return null;63 }64 65 abstract MockClassLoader createClassloader(MockClassLoaderConfiguration configuration, final UseClassPathAdjuster useClassPathAdjuster);66 67 abstract MockTransformerChainFactory createTransformerChainFactory();68}...

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Source:PowerMockTestNGMockStaticCases.java Github

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1package com.bascker.library.powermock;2import org.apache.commons.lang3.StringUtils;3import org.powermock.core.classloader.annotations.PrepareForTest;4import org.powermock.modules.testng.PowerMockObjectFactory;5import org.slf4j.Logger;6import org.slf4j.LoggerFactory;7import org.testng.Assert;8import org.testng.IObjectFactory;9import org.testng.annotations.BeforeClass;10import org.testng.annotations.ObjectFactory;11import org.testng.annotations.Test;12import static org.mockito.Matchers.anyString;13import static org.powermock.api.mockito.PowerMockito.mockStatic;14import static org.powermock.api.mockito.PowerMockito.when;15/**16 * PowerMockito & TestNG 来 Mock static 方法17 *18 * 1.PowerMockito & TestNG Mock static 方法的步骤19 * 1) @PrepareForTest: 指定要 Mock 的静态类20 * 2) mockStatic(): 指定要 Mock 的静态类21 * 3) @ObjectFactory: 重点22 * 4) mock 对象方法调用23 *24 * 2.@PrepareForTest25 * 2.1 使用 PowerMockito 强大功能(如 Mock static/final/private 等方法)时，必须使用26 * 2.2 PowerMock 会根据开发者的 mock 要求，修改 @PrepareForTest 中指定的 class 文件, 以满足需求.27 * 若 mock 的是系统类的 final/static 方法，则不会直接修改系统类的 class 文件，而是修改调用系统类的 class s文件28 * 2.3 被 @PrepareForTest 标注后, 运行测试用例时, 会创建一个新的 {@link org.powermock.core.classloader.MockClassLoader} 实例,29 * 然后加载该测试用例使用到的类(系统类除外)30 *31 * 3.IObjectFactory32 * 3.1 用于实例化被测试对象33 * 3.2 使用 @ObjectFactory 标注一个返回 IObjectFactory 的方法，表示使用该对象工厂来产生 TestNG 对象34 *35 * @author bascker36 */37@Test38@PrepareForTest(StringUtils.class)39public class PowerMockTestNGMockStaticCases {40 private static final Logger LOGGER = LoggerFactory.getLogger(PowerMockTestNGMockStaticCases.class);41 @BeforeClass42 public void beforeClass() {43 mockStatic(StringUtils.class);44 }45 @ObjectFactory46 public IObjectFactory setObjectFactory() {47 return new PowerMockObjectFactory();48 }49 public void testIsEmpty() {50 // mock isEmpty() 调用51 when(StringUtils.isEmpty(anyString())).thenReturn(true);52 final String str = "PowerMockito & TestNG";...

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Source:BaseTest.java Github

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...5import org.junit.Rule;6import org.mockito.MockitoAnnotations;7import org.powermock.core.MockRepository;8import org.powermock.core.classloader.annotations.PowerMockIgnore;9import org.powermock.core.classloader.annotations.PrepareForTest;10import org.powermock.modules.junit4.rule.PowerMockRule;11import org.robolectric.RuntimeEnvironment;12/**13 * Created by chenbaocheng on 17/5/3.14 */15//@Config(constants = BuildConfig.class) 指定当前Module的BuildConfig类16//@PrepareForTest(ClassForTest.class) 指定被测试的类17@PrepareForTest(fullyQualifiedNames = {"com.mx.*"})18@PowerMockIgnore({"org.mockito.*", "org.robolectric.*", "android.*", "javax.net.ssl.*"})19public class BaseTest extends Asserts {20 public BaseTest() {21 super();22 }23 /**24 * 该字段用于集成PowerMock和Robolectric25 * 参见文档：https://github.com/robolectric/robolectric/wiki/Using-PowerMock26 */27 @Rule28 public PowerMockRule rule = new PowerMockRule();29 @Before30 public void setUp() throws Exception {31 MockitoAnnotations.initMocks(this);...

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PrepareForTest

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1import org.powermock.core.classloader.annotations.PrepareForTest;2import org.powermock.modules.junit4.PowerMockRunner;3import org.powermock.modules.junit4.PowerMockRunnerDelegate;4import org.powermock.reflect.Whitebox;5import org.powermock.api.mockito.PowerMockito;6import org.junit.runner.RunWith;7import org.junit.Test;8import org.junit.Before;9import org.junit.runner.JUnitCore;10import org.junit.runner.Result;11import org.junit.runner.notification.Failure;12import org.junit.runners.JUnit4;13import static org.mockito.Mockito.*;14import static org.junit.Assert.*;15public class A {16 public int add(int a, int b) {17 return a + b;18 }19}20@RunWith(PowerMockRunner.class)21@PowerMockRunnerDelegate(JUnit4.class)22@PrepareForTest(A.class)23public class TestA {24 A a = null;25 public void setUp() {26 a = new A();27 }28 public void testAdd() throws Exception {29 A mock = PowerMockito.mock(A.class);30 when(mock.add(1, 2)).thenReturn(3);31 Whitebox.setInternalState(A.class, "a", mock);32 int result = a.add(1, 2);33 assertEquals(3, result);34 }35}

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PrepareForTest

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1package com.powermock;2import org.junit.Test;3import org.junit.runner.RunWith;4import org.powermock.api.mockito.PowerMockito;5import org.powermock.core.classloader.annotations.PrepareForTest;6import org.powermock.modules.junit4.PowerMockRunner;7@RunWith(PowerMockRunner.class)8@PrepareForTest( { 4.class })9public class 4Test {10 public void test() throws Exception {11 4 mock = PowerMockito.mock(4.class);12 PowerMockito.when(mock.method1()).thenReturn(1);13 PowerMockito.when(mock.method2()).thenReturn(2);14 PowerMockito.when(mock.method3()).thenReturn(3);15 PowerMockito.when(mock.method4()).thenReturn(4);16 PowerMockito.when(mock.method5()).thenReturn(5);17 PowerMockito.when(mock.method6()).thenReturn(6);18 PowerMockito.when(mock.method7()).thenReturn(7);19 PowerMockito.when(mock.method8()).thenReturn(8);20 PowerMockito.when(mock.method9()).thenReturn(9);21 PowerMockito.when(mock.method10()).thenReturn(10);22 PowerMockito.when(mock.method11()).thenReturn(11);23 PowerMockito.when(mock.method12()).thenReturn(12);24 PowerMockito.when(mock.method13()).thenReturn(13);25 PowerMockito.when(mock.method14()).thenReturn(14);26 PowerMockito.when(mock.method15()).thenReturn(15);27 PowerMockito.when(mock.method16()).thenReturn(16);28 PowerMockito.when(mock.method17()).thenReturn(17);29 PowerMockito.when(mock.method18()).thenReturn(18);30 PowerMockito.when(mock.method19()).thenReturn(19);31 PowerMockito.when(mock.method20()).thenReturn(20);32 PowerMockito.when(mock.method21()).thenReturn(21);33 PowerMockito.when(mock.method22()).thenReturn(22);34 PowerMockito.when(mock.method23()).thenReturn(23);35 PowerMockito.when(mock.method24()).thenReturn(24);36 PowerMockito.when(mock.method25()).thenReturn(25);37 PowerMockito.when(mock.method26()).thenReturn(26);38 PowerMockito.when(mock.method27()).thenReturn(27);39 PowerMockito.when(mock.method28()).thenReturn(28);

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PrepareForTest

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1package com.powermock;2import org.junit.Test;3import org.junit.runner.RunWith;4import org.powermock.core.classloader.annotations.PrepareForTest;5import org.powermock.modules.junit4.PowerMockRunner;6@RunWith(PowerMockRunner.class)7@PrepareForTest({4.class})8public class 4 {9 public void test() {10 System.out.println("Testing");11 }12}

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PrepareForTest

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1import org.powermock.core.classloader.annotations.PrepareForTest;2import org.powermock.modules.junit4.PowerMockRunner;3import org.powermock.modules.junit4.PowerMockRunnerDelegate;4import org.junit.runner.RunWith;5import org.junit.Test;6import org.junit.runners.JUnit4;7import static org.junit.Assert.assertEquals;8import static org.powermock.api.mockito.PowerMockito.*;9@RunWith(PowerMockRunner.class)10@PowerMockRunnerDelegate(JUnit4.class)11@PrepareForTest(4.class)12public class 4Test {13 public void test() {14 PowerMockito.mockStatic(4.class);15 when(4.method()).thenReturn("Hello World!");16 assertEquals("Hello World!", 4.method());17 }18}19import org.powermock.core.classloader.annotations.PrepareForTest;20import org.powermock.modules.junit4.PowerMockRunner;21import org.powermock.modules.junit4.PowerMockRunnerDelegate;22import org.junit.runner.RunWith;23import org.junit.Test;24import org.junit.runners.JUnit4;25import static org.junit.Assert.assertEquals;26import static org.powermock.api.mockito.PowerMockito.*;27@RunWith(PowerMockRunner.class)28@PowerMockRunnerDelegate(JUnit4.class)29@PrepareForTest(4.class)30public class 4Test {31 public void test() {32 PowerMockito.mockStatic(4.class);33 when(4.method(1, "Hello World!")).thenReturn(1);

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PrepareForTest

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1import org.powermock.core.classloader.annotations.PrepareForTest;2import org.powermock.core.classloader.annotations.PowerMockIgnore;3import org.powermock.core.classloader.annotations.PowerMockListener;4import org.powermock.modules.junit4.PowerMockRunner;5import org.powermock.modules.junit4.PowerMockRunnerDelegate;6import org.powermock.modules.junit4.rule.PowerMockRule;7import org.powermock.modules.junit4.rule.PowerMockRuleDelegate;8import org.powermock.modules.junit4.rule.PowerMockRuleMember;9import org.powermock.modules.junit4.rule.PowerMockRuleMemberDelegate;10import org.powermock.modules.junit4.rule.PowerMockRuleMemberFactory;11import org.powermock.modules.junit4.rule.PowerMockRuleMemberFactoryDelegate;12import org.powermock.modules.junit4.rule.PowerMockRuleMemberFactoryImpl;13import org.powermock.modules.junit4.rule.PowerMockRuleMemberImpl;14import org.powermock.modules.junit4.rule.PowerMockRuleMemberListener;15import org.powermock.modules.junit4.rule.PowerMockRuleMemberListenerDelegate;16import org.powermock.modules.junit4.rule.PowerMockRuleMemberListenerImpl;17import org.powermock.modules.junit4.rule.PowerMockRuleMemberListenerImpl2;18import org.powermock.modules.junit4.rule.PowerMockRuleMemberListenerImpl3;19import org.powermock.modules.junit4.rule.PowerMockRuleMemberListenerImpl4;20import org.powermock.modules.junit4.rule.PowerMockRuleMemberListenerImpl5;21import org.powermock.modules.junit4.rule.PowerMockRuleMemberListenerImpl6;22import org.powermock.modules.junit4.rule.PowerMockRuleMemberListenerImpl7;23import org.powermock.modules.junit4.rule.PowerMockRuleMemberListenerImpl8;24import org.powermock.modules.junit4.rule.PowerMockRuleMemberListenerImpl9;25import org.powermock.modules.junit4.rule.PowerMockRuleMemberListenerImpl10;26import org.powermock.modules.junit4.rule.PowerMockRuleMemberListenerImpl11;27import org.powermock.modules.junit4.rule.PowerMockRuleMemberListenerImpl12;28import org.powermock.modules.junit4.rule.PowerMockRuleMemberListenerImpl13;29import org.powermock.modules.junit4.rule.PowerMockRuleMemberListenerImpl14;30import org.powermock.modules.junit4.rule.PowerMockRuleMemberListenerImpl15;31import org.powermock.modules.junit4.rule.PowerMockRuleMemberListenerImpl16;32import org.powermock.modules.junit4.rule.PowerMockRuleMemberListenerImpl17;33import org.powermock.modules.junit4.rule.PowerMockRuleMemberListenerImpl18;34import org.powermock.modules.junit4.rule.PowerMockRuleMember

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PrepareForTest

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1import org.powermock.core.classloader.annotations.PrepareForTest;2import org.powermock.reflect.Whitebox;3import org.powermock.modules.junit4.PowerMockRunner;4import org.powermock.modules.junit4.PowerMockRunnerDelegate;5import org.junit.runners.BlockJUnit4ClassRunner;6@RunWith(PowerMockRunner.class)7@PowerMockRunnerDelegate(BlockJUnit4ClassRunner.class)8@PrepareForTest({4.class})9public class 4 {10 public static void main(String[] args) {11 System.out.println("Hello World!");12 }13 public static void testMethod() {14 System.out.println("This is a test method");15 }16}17import org.junit.Test;18import org.junit.runner.RunWith;19import org.powermock.core.classloader.annotations.PrepareForTest;20import org.powermock.modules.junit4.PowerMockRunner;21import org.powermock.modules.junit4.PowerMockRunnerDelegate;22import org.junit.runners.BlockJUnit4ClassRunner;23import static org.powermock.api.mockito.PowerMockito.*;24@RunWith(PowerMockRunner.class)25@PowerMockRunnerDelegate(BlockJUnit4ClassRunner.class)26@PrepareForTest({4.class})27public class 4Test {28 public void testMethod() {29 4 mock = mock(4.class);30 Whitebox.setInternalState(4.class, "mock", mock);31 4.testMethod();32 verifyStatic();33 4.testMethod();34 }35}36Your name to display (optional):

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PrepareForTest

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1package com.example;2import org.powermock.core.classloader.annotations.PrepareForTest;3import org.powermock.modules.junit4.PowerMockRunner;4import org.junit.runner.RunWith;5import org.junit.Test;6import static org.junit.Assert.assertEquals;7import static org.powermock.api.mockito.PowerMockito.mockStatic;8import static org.powermock.api.mockito.PowerMockito.when;9@RunWith(PowerMockRunner.class)10@PrepareForTest({StaticClass.class})11public class TestClass {12 public void testMethod() {13 mockStatic(StaticClass.class);14 when(StaticClass.staticMethod(1)).thenReturn(1);15 assertEquals(1, StaticClass.staticMethod(1));16 }17}18package com.example;19public class StaticClass {20 public static int staticMethod(int a) {21 return 0;22 }23}24package com.example;25import org.powermock.core.classloader.annotations.PrepareForTest;26import org.powermock.modules.junit4.PowerMockRunner;27import org.junit.runner.RunWith;28import org.junit.Test;29import static org.junit.Assert.assertEquals;30import static org.powermock.api.mockito.PowerMockito.mockStatic;31import static org.powermock.api.mockito.PowerMockito.when;32@RunWith(PowerMockRunner.class)33@PrepareForTest({StaticClass.class})34public class TestClass {35 public void testMethod() {36 mockStatic(StaticClass.class);37 when(StaticClass.staticMethod(1)).thenReturn(1);38 assertEquals(1, StaticClass.staticMethod(1));39 }40}41package com.example;42public class StaticClass {43 public static int staticMethod(int a) {44 return 0;45 }46}47package com.example;48import org.powermock.core.classloader.annotations.PrepareForTest;49import org.powermock.modules.junit4.PowerMockRunner;50import org.junit.runner.RunWith;51import org.junit.Test;52import static org.junit.Assert.assertEquals;53import static org.powermock.api.mockito.PowerMockito.mockStatic;54import static org.powermock.api.mockito.PowerMockito.when;55@RunWith(PowerMockRunner.class)56@PrepareForTest({StaticClass.class})57public class TestClass {

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PrepareForTest

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1package org.powermock.core.classloader.annotations;2import org.powermock.core.classloader.annotations.PrepareForTest;3@PrepareForTest( { ClassToBeMocked.class })4public class ClassUnderTest {5 public void doSomething() {6 ClassToBeMocked.doSomething();7 }8}9package org.powermock.modules.junit4;10import org.junit.runner.RunWith;11import org.powermock.modules.junit4.PowerMockRunner;12@RunWith(PowerMockRunner.class)13public class ClassUnderTest {14 public void doSomething() {15 ClassToBeMocked.doSomething();16 }17}18package org.powermock.modules.junit4;19import org.junit.runner.RunWith;20import org.powermock.modules.junit4.PowerMockRunnerDelegate;21import org.powermock.modules.junit4.common.internal.impl.JUnit4TestRunnerDelegateImpl;22@RunWith(PowerMockRunnerDelegate.class)23@PowerMockRunnerDelegate(JUnit4TestRunnerDelegateImpl.class)24public class ClassUnderTest {25 public void doSomething() {26 ClassToBeMocked.doSomething();27 }28}29package org.powermock.modules.junit4;30import org.junit.runner.RunWith;31import org.powermock.modules.junit4.PowerMockRunnerDelegate;32import org.powermock.modules.junit4.common.internal.impl.JUnit4TestRunnerDelegateImpl;33@RunWith(PowerMockRunnerDelegate.class)34@PowerMockRunnerDelegate(JUnit4TestRunnerDelegateImpl.class)35public class ClassUnderTest {36 public void doSomething() {37 ClassToBeMocked.doSomething();38 }39}40package org.powermock.modules.junit4;41import org.junit.runner.RunWith;42import org.powermock.modules.junit4.PowerMockRunnerDelegate;43import org.powermock.modules.junit4.common.internal.impl.JUnit4TestRunnerDelegateImpl;44@RunWith(PowerMockRunnerDelegate.class)45@PowerMockRunnerDelegate(JUnit4TestRunnerDelegateImpl.class)46public class ClassUnderTest {47 public void doSomething() {48 ClassToBeMocked.doSomething();49 }50}

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