How to use SuperClassCallSuperConstructorWithCast method of powermock.test.support.MainMockTransformerTestSupport class

Best Powermock code snippet using powermock.test.support.MainMockTransformerTestSupport.SuperClassCallSuperConstructorWithCast

Source:ConstructorCallMockTransformerTest.java Github

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...31import powermock.test.support.MainMockTransformerTestSupport.ParentTestClass;32import powermock.test.support.MainMockTransformerTestSupport.ParentTestClass.NestedTestClass;33import powermock.test.support.MainMockTransformerTestSupport.SomeInterface;34import powermock.test.support.MainMockTransformerTestSupport.SuperClassCallSuperConstructor;35import powermock.test.support.MainMockTransformerTestSupport.SuperClassCallSuperConstructorWithCast;36import powermock.test.support.MainMockTransformerTestSupport.SuperClassCallSuperConstructorWithVararg;37import powermock.test.support.MainMockTransformerTestSupport.SupportClasses;38import powermock.test.support.MainMockTransformerTestSupport.SupportClasses.EnumClass;39import powermock.test.support.MainMockTransformerTestSupport.SupportClasses.MultipleConstructors;40import powermock.test.support.MainMockTransformerTestSupport.SupportClasses.PublicSuperClass;41import powermock.test.support.MainMockTransformerTestSupport.SupportClasses.SubClass;42import java.lang.reflect.Constructor;43import java.util.ArrayList;44import java.util.Collection;45import static org.assertj.core.api.Java6Assertions.assertThat;46import static org.assertj.core.api.Java6Assertions.assertThatThrownBy;47import static org.assertj.core.api.Java6Assertions.catchThrowable;48import static org.hamcrest.CoreMatchers.equalTo;49import static org.junit.Assume.assumeThat;50import static org.powermock.core.MockGateway.PROCEED;51import static org.powermock.core.MockGateway.SUPPRESS;52import static org.powermock.core.transformers.MockTransformerTestHelper.createTransformerTestDataWithMockGateway;53public class ConstructorCallMockTransformerTest extends AbstractBaseMockTransformerTest {54 55 @Parameterized.Parameters(name = "strategy: {0}, transformerType: {2}")56 public static Iterable<Object[]> data() {57 Collection<Object[]> data = new ArrayList<Object[]>();58 59 data.addAll(createTransformerTestDataWithMockGateway(MockGatewaySpy.class, InstrumentMockTransformer.class));60 61 return data;62 }63 64 public ConstructorCallMockTransformerTest(final TransformStrategy strategy,65 final MockTransformerChain mockTransformerChain,66 final MockClassLoaderFactory mockClassloaderFactory) {67 super(strategy, mockTransformerChain, mockClassloaderFactory);68 }69 70 71 @Test72 public void should_not_change_constructors_of_test_class() throws Exception {73 assumeClassLoaderMode();74 75 final Class<MultipleConstructors> testClass = MultipleConstructors.class;76 77 setTestClassToTransformers(testClass);78 79 final Class<?> modifiedClass = reloadClass(testClass);80 81 assertThat(modifiedClass.getConstructors())82 .hasSameSizeAs(testClass.getConstructors());83 84 assertThatThrownBy(85 new ThrowingCallable() {86 @Override87 public void call() throws Throwable {88 modifiedClass.getConstructor(IndicateReloadClass.class);89 }90 }91 ).withFailMessage("A public defer-constructor is added.")92 .isExactlyInstanceOf(NoSuchMethodException.class);93 }94 95 @Test96 public void should_not_change_constructors_of_nested_test_classes() throws Exception {97 assumeClassLoaderMode();98 99 setTestClassToTransformers(ParentTestClass.class);100 101 final Class<?> originalClazz = NestedTestClass.class;102 final Class<?> modifiedClass = reloadClass(originalClazz);103 104 assertThat(modifiedClass.getConstructors())105 .hasSameSizeAs(originalClazz.getConstructors());106 107 assertThatThrownBy(108 new ThrowingCallable() {109 @Override110 public void call() throws Throwable {111 modifiedClass.getConstructor(IndicateReloadClass.class);112 }113 }114 ).withFailMessage("A public defer-constructor is added.")115 .isExactlyInstanceOf(NoSuchMethodException.class);116 }117 118 @Test119 public void should_add_additional_defer_constructor_which_call_default_if_parent_Object_and_strategy_classloader() throws Exception {120 121 assumeClassLoaderMode();122 assumeClassLoaderIsByteBuddy();123 124 Class<?> clazz = reloadClass(PublicSuperClass.class);125 126 assertThat(clazz.getConstructors())127 .as("Number of constructors in modified class")128 .hasSize(2);129 130 assertThat(clazz.getConstructor(IndicateReloadClass.class))131 .as("Defer-constructor returnOnMethodCall")132 .isNotNull();133 }134 135 @Test136 public void should_add_additional_defer_constructor_which_call_default_if_parent_not_Object_and_strategy_classloader() throws Exception {137 138 assumeClassLoaderMode();139 140 Class<?> clazz = reloadClass(SubClass.class);141 142 assertThat(clazz.getConstructors())143 .as("Number of constructors in modified class")144 .hasSize(2);145 146 assertThat(clazz.getConstructor(IndicateReloadClass.class))147 .as("Defer-constructor returnOnMethodCall")148 .isNotNull();149 }150 151 @Test152 public void should_not_add_additional_defer_constructor_if_strategy_is_not_classloader() throws Exception {153 assumeAgentMode();154 155 Class<?> clazz = loadWithMockClassLoader(SupportClasses.SubClass.class.getName());156 157 assertThat(clazz.getConstructors())158 .as("Number of constructors in modified class")159 .hasSameSizeAs(SupportClasses.SubClass.class.getConstructors());160 }161 162 @Test163 public void should_not_add_defer_constructor_to_interface() throws Exception {164 Class<?> clazz = loadWithMockClassLoader(SomeInterface.class.getName());165 166 assertThat(clazz.getConstructors())167 .as("Number of constructors in modified interface same as in original")168 .hasSameSizeAs(SomeInterface.class.getConstructors());169 }170 171 @Test172 public void should_not_add_defer_constructor_to_enum() throws Exception {173 Class<?> clazz = loadWithMockClassLoader(EnumClass.class.getName());174 175 assertThat(clazz.getConstructors())176 .as("Number of constructors in modified class same as in original")177 .hasSameSizeAs(EnumClass.class.getConstructors());178 }179 180 @Test181 public void should_suppress_call_to_super_constructor_if_getaway_return_SUPPRESS() throws Exception {182 assumeClassLoaderMode();183 184 MockGatewaySpy.returnOnMethodCall(SUPPRESS);185 186 Class<?> clazz = loadWithMockClassLoader(SuperClassCallSuperConstructor.class.getName());187 188 final Constructor<?> constructor = clazz.getConstructor(String.class, String.class, double.class);189 190 Throwable throwable = catchThrowable(new ThrowingCallable() {191 @Override192 public void call() throws Throwable {193 try {194 constructor.newInstance("name", "field", 100);195 } catch (Exception e) {196 throw e.getCause() == null ? e : e.getCause();197 }198 }199 });200 201 assertThat(throwable)202 .as("Call to super is suppressed")203 .isNull();204 }205 206 @Test207 public void should_not_suppress_call_to_super_constructor_if_getaway_return_PROCEED() throws Exception {208 assumeClassLoaderMode();209 210 MockGatewaySpy.returnOnMethodCall(PROCEED);211 212 Class<?> clazz = loadWithMockClassLoader(SuperClassCallSuperConstructor.class.getName());213 214 final Constructor<?> constructor = clazz.getConstructor(String.class, String.class, double.class);215 216 Throwable throwable = catchThrowable(new ThrowingCallable() {217 @Override218 public void call() throws Throwable {219 try {220 constructor.newInstance("name", "field", 100);221 } catch (Exception e) {222 throw e.getCause() == null ? e : e.getCause();223 }224 }225 });226 227 assertThat(throwable)228 .as("Call to super is not suppressed")229 .isInstanceOf(IllegalArgumentException.class)230 .hasMessage(SupperClassThrowsException.MESSAGE);231 }232 233 @Test234 public void should_provide_correct_constructor_param_and_arguments() throws Exception {235 assumeClassLoaderMode();236 237 MockGatewaySpy.returnOnMethodCall(SUPPRESS);238 239 Class<?> clazz = loadWithMockClassLoader(SuperClassCallSuperConstructor.class.getName());240 241 final Constructor<?> constructor = clazz.getConstructor(String.class, String.class, double.class);242 243 constructor.newInstance("name", "field", 100);244 245 assertThatCorrectConstructorTypeProvided();246 247 final MethodCall methodCall = MockGatewaySpy.constructorCalls().get(0);248 249 assertThat(methodCall.args)250 .as("Correct constructor arguments are provided")251 .containsExactly("name", 100.0);252 253 assertThat(methodCall.sig)254 .as("Correct constructor signature is provided")255 .containsExactly(String.class, double.class);256 }257 258 @Test259 public void should_provide_correct_constructor_param_and_arguments_when_cast_required() throws Exception {260 assumeClassLoaderMode();261 262 MockGatewaySpy.returnOnMethodCall(SUPPRESS);263 264 final Class<?> clazz = loadWithMockClassLoader(SuperClassCallSuperConstructorWithCast.class.getName());265 266 final Class<?> paramClass = loadWithMockClassLoader(ParameterInterface.class.getName());267 final Object param = loadWithMockClassLoader(ParameterImpl.class.getName()).newInstance();268 269 final Constructor<?> constructor = clazz.getConstructor(paramClass);270 271 constructor.newInstance(param);272 273 assertThatCorrectConstructorTypeProvided();274 275 final MethodCall methodCall = MockGatewaySpy.constructorCalls().get(0);276 277 assertThat(methodCall.args)278 .as("Correct constructor arguments are provided")...

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SuperClassCallSuperConstructorWithCast

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1import static org.powermock.api.easymock.PowerMock.*;2import static org.easymock.EasyMock.*;3import org.junit.*;4import org.powermock.api.easymock.annotation.*;5import org.powermock.api.easymock.*;6import org.powermock.modules.junit4.PowerMockRunner;7import org.powermock.reflect.Whitebox;8import java.lang.reflect.Method;9import static org.junit.Assert.assertEquals;10@RunWith(PowerMockRunner.class)11@PrepareForTest({MainMockTransformerTestSupport.class})12public class MainMockTransformerTestSupportTest {13 public void testSuperClassCallSuperConstructorWithCast() throws Exception {14 MainMockTransformerTestSupport mock = createPartialMockAndInvokeDefaultConstructor(MainMockTransformerTestSupport.class, "superClassCallSuperConstructorWithCast", new Class[]{String.class}, new Object[]{null});15 expectPrivate(mock, "superClassCallSuperConstructorWithCast", "test").andReturn("test");16 replayAll();17 assertEquals("test", mock.superClassCallSuperConstructorWithCast("test"));18 verifyAll();19 }20}21package powermock.test.support;22import org.junit.*;23import org.powermock.api.easymock.annotation.*;24import org.powermock.api.easymock.*;25import org.powermock.modules.junit4.PowerMockRunner;26import org.powermock.reflect.Whitebox;27import java.lang.reflect.Method;28import static org.easymock.EasyMock.*;29import static org.junit.Assert.assertEquals;30import static org.powermock.api.easymock.PowerMock.*;31@RunWith(PowerMockRunner.class)32@PrepareForTest({MainMockTransformerTestSupport.class})33public class MainMockTransformerTestSupportTest {34 public void testSuperClassCallSuperConstructorWithCast() throws Exception {35 MainMockTransformerTestSupport mock = createPartialMockAndInvokeDefaultConstructor(MainMockTransformerTestSupport.class, "superClassCallSuperConstructorWithCast", new Class[]{String.class}, new Object[]{null});36 expectPrivate(mock, "superClassCallSuperConstructorWithCast", "test").andReturn("test");37 replayAll();38 assertEquals("test", mock.superClassCallSuperConstructorWithCast("test"));39 verifyAll();40 }41}

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SuperClassCallSuperConstructorWithCast

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1 at org.powermock.core.classloader.MockClassLoader.loadMockClass(MockClassLoader.java:66)2 at org.powermock.core.classloader.DeferSupportingClassLoader.loadClass(DeferSupportingClassLoader.java:51)3 at java.lang.ClassLoader.loadClass(ClassLoader.java:357)4 at org.powermock.core.classloader.MockClassLoader.loadMockClass(MockClassLoader.java:66)5 at org.powermock.core.classloader.DeferSupportingClassLoader.loadClass(DeferSupportingClassLoader.java:51)6 at java.lang.ClassLoader.loadClass(ClassLoader.java:357)7 at org.powermock.core.classloader.MockClassLoader.loadMockClass(MockClassLoader.java:66)8 at org.powermock.core.classloader.DeferSupportingClassLoader.loadClass(DeferSupportingClassLoader.java:51)9 at java.lang.ClassLoader.loadClass(ClassLoader.java:357)10 at org.powermock.core.classloader.MockClassLoader.loadMockClass(MockClassLoader.java:66)11 at org.powermock.core.classloader.DeferSupportingClassLoader.loadClass(DeferSupportingClassLoader.java:51)12 at java.lang.ClassLoader.loadClass(ClassLoader.java:357)13 at org.powermock.core.classloader.MockClassLoader.loadMockClass(MockClassLoader.java:66)14 at org.powermock.core.classloader.DeferSupportingClassLoader.loadClass(DeferSupportingClassLoader.java:51)15 at java.lang.ClassLoader.loadClass(ClassLoader.java:357)16 at org.powermock.core.classloader.MockClassLoader.loadMockClass(MockClassLoader.java:66)17 at org.powermock.core.classloader.DeferSupportingClassLoader.loadClass(DeferSupportingClassLoader.java:51)18 at java.lang.ClassLoader.loadClass(ClassLoader.java:357)19 at org.powermock.core.classloader.MockClassLoader.loadMockClass(MockClassLoader.java:66)20 at org.powermock.core.classloader.DeferSupportingClassLoader.loadClass(DeferSupportingClassLoader.java:51)21 at java.lang.ClassLoader.loadClass(ClassLoader.java:357)22 at org.powermock.core.classloader.MockClassLoader.loadMockClass(MockClassLoader.java:66)23 at org.powermock.core.classloader.DeferSupportingClassLoader.loadClass(DeferSupportingClassLoader.java:51)24 at java.lang.ClassLoader.loadClass(ClassLoader.java:357)25 at org.powermock.core.classloader.MockClassLoader.loadMockClass(MockClassLoader.java:66)26 at org.powermock.core.classloader.DeferSupportingClassLoader.loadClass(DeferSupportingClassLoader.java

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SuperClassCallSuperConstructorWithCast

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1public class PowerMockTransformerTest extends MainMockTransformerTestSupport {2 public void testSuperClassCallSuperConstructorWithCast() throws Exception {3 super.testSuperClassCallSuperConstructorWithCast();4 }5}6Now, we will write the testSuperClassCallSuperConstructorWithCast() method in the MainMockTransformerTestSupport class. The code for the same is as follows:7public class MainMockTransformerTestSupport {8 protected void testSuperClassCallSuperConstructorWithCast() throws Exception {9 Class<?> clazz = PowerMockTransformerTest.class;10 String className = clazz.getName();11 String classFileName = className.replace('.', '/') + ".class";12 ClassLoader classLoader = clazz.getClassLoader();13 InputStream classInputStream = classLoader.getResourceAsStream(classFileName);14 ClassReader classReader = new ClassReader(classInputStream);15 ClassWriter classWriter = new ClassWriter(classReader, ClassWriter.COMPUTE_MAXS);16 PowerMockTransformer transformer = new PowerMockTransformer();17 transformer.transform(classLoader, className, null, null, classReader, classWriter);18 byte[] transformedClass = classWriter.toByteArray();19 Class<?> transformedClazz = new ByteArrayClassLoader(classLoader).defineClass(className, transformedClass);20 Constructor<?> constructor = transformedClazz.getConstructor();21 Object object = constructor.newInstance();22 Method method = transformedClazz.getMethod("getBar");23 Object result = method.invoke(object);24 assertThat(result).isEqualTo("foo");25 }26}27The transform() method takes the following arguments:28The transform() method returns the transformed class. We are calling the getBar() method of the transformed class. The getBar

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SuperClassCallSuperConstructorWithCast

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1public class MainMockTransformerTestSupport {2 public MainMockTransformerTestSupport() {3 super();4 }5 public void SuperClassCallSuperConstructorWithCast() throws Exception {6 final MainMockTransformerTestSupport mock = mock(MainMockTransformerTestSupport.class);7 when(mock).SuperClassCallSuperConstructorWithCast();8 mock.SuperClassCallSuperConstructorWithCast();9 }10}11public class MainMockTransformerTest {12 public MainMockTransformerTest() {13 super();14 }15 public void testSuperClassCallSuperConstructorWithCast() throws Exception {16 final MainMockTransformerTestSupport mock = mock(MainMockTransformerTestSupport.class);17 when(mock).SuperClassCallSuperConstructorWithCast();18 mock.SuperClassCallSuperConstructorWithCast();19 }20}

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SuperClassCallSuperConstructorWithCast

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1package powermock.test.support;2import java.lang.reflect.InvocationTargetException;3import java.lang.reflect.Method;4public class MainMockTransformerTestSupport {5 public static void main(String[] args) throws ClassNotFoundException, IllegalAccessException, InstantiationException, NoSuchMethodException, InvocationTargetException {6 Method method = Class.forName("powermock.test.support.MockTransformerTestSupport").getMethod("SuperClassCallSuperConstructorWithCast");7 method.invoke(null);8 }9}10package powermock.test.support;11import org.junit.Test;12import org.junit.runner.RunWith;13import org.powermock.api.mockito.PowerMockito;14import org.powermock.core.classloader.annotations.PrepareForTest;15import org.powermock.modules.junit4.PowerMockRunner;16import java.io.IOException;17import static org.junit.Assert.assertEquals;18import static org.junit.Assert.assertNotNull;19import static org.powermock.api.mockito.PowerMockito.when;20import static org.powermock.api.support.membermodification.MemberMatcher.constructor;21import static org.powermock.api.support.membermodification.MemberModifier.suppress;22@RunWith(PowerMockRunner.class)23@PrepareForTest({SuperClassCallSuperConstructorWithCast.class})24public class SuperClassCallSuperConstructorWithCastTest {25 public void testSuperClassCallSuperConstructorWithCast() throws Exception {26 PowerMockito.mockStatic(SuperClassCallSuperConstructorWithCast.class);27 suppress(constructor(SuperClassCallSuperConstructorWithCast.class));28 when(SuperClassCallSuperConstructorWithCast.class, "super", String.class, String.class).withArguments("first", "second").thenReturn(new Object());29 when(SuperClassCallSuperConstructorWithCast.class, "super", String.class, String.class).withArguments("third", "fourth").thenReturn(new Object());30 when(SuperClassCallSuperConstructorWithCast.class, "super", String.class, String.class).withArguments("fifth", "sixth").thenReturn(new Object());31 Object result = new SuperClassCallSuperConstructorWithCast("first", "second", "third", "fourth", "fifth", "sixth");32 assertNotNull(result);33 assertEquals(SuperClassCallSuperConstructorWithCast.class

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