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How to use signatureOf method of org.powermock.core.transformers.TestClassTransformer class

Best Powermock code snippet using org.powermock.core.transformers.TestClassTransformer.signatureOf

Source:TestClassTransformer.java

...86                                    /* This lazy initialization is necessary - see above */87                                    methodsThatRunOnOtherClassLoaders = new HashSet<String>();88                                    for (Method m : testMethodsThatRunOnOtherClassLoaders) {89                                        methodsThatRunOnOtherClassLoaders.add(90                                                signatureOf(m));91                                    }92                                    testMethodsThatRunOnOtherClassLoaders.clear();93                                }94                                return methodsThatRunOnOtherClassLoaders95                                        .contains(signatureOf(method));96                            }                            97                        };98                    }99                    @Override100                    public TestClassTransformer fromAllMethodsExcept(101                            Method singleMethodToRunOnTargetClassLoader) {102                        final String targetMethodSignature =103                                signatureOf(singleMethodToRunOnTargetClassLoader);104                        return new TestClassTransformer(testClass, testMethodAnnotation) {105                            @Override106                            boolean mustHaveTestAnnotationRemoved(CtMethod method)107                            throws Exception {108                                return !signatureOf(method).equals(targetMethodSignature);109                            }110                        };111                    }112                };113            }114        };115    }116    private TestClassTransformer(117            Class<?> testClass, Class<? extends Annotation> testMethodAnnotationType) {118        this.testClass = testClass;119        this.testMethodAnnotationType = testMethodAnnotationType;120    }121    private boolean isTestClass(CtClass clazz) {122        try {123            return Class.forName(clazz.getName(), false, testClass.getClassLoader())124                    .isAssignableFrom(testClass);125        } catch (ClassNotFoundException ex) {126            return false;127        }128    }129    private boolean isNestedWithinTestClass(CtClass clazz) {130        String clazzName = clazz.getName();131        return clazzName.startsWith(testClass.getName())132                && '$' == clazzName.charAt(testClass.getName().length());133    }134    private Class<?> asOriginalClass(CtClass type) throws Exception {135        try {136            return type.isArray()137                    ? Array.newInstance(asOriginalClass(type.getComponentType()), 0).getClass()138                    : type.isPrimitive()139                    ? Primitives.getClassFor((CtPrimitiveType) type)140                    : Class.forName(type.getName(), true, testClass.getClassLoader());141        } catch (Exception ex) {142            throw new RuntimeException("Cannot resolve type: " + type, ex);143        }144    }145    private Class<?>[] asOriginalClassParams(CtClass[] parameterTypes)146    throws Exception {147        final Class<?>[] classParams = new Class[parameterTypes.length];148        for (int i = 0; i < classParams.length; ++i) {149            classParams[i] = asOriginalClass(parameterTypes[i]);150        }151        return classParams;152    }153    abstract boolean mustHaveTestAnnotationRemoved(CtMethod method) throws Exception;154    private void removeTestMethodAnnotationFrom(CtMethod m)155    throws ClassNotFoundException {156        final AnnotationsAttribute attr = (AnnotationsAttribute)157                m.getMethodInfo().getAttribute(AnnotationsAttribute.visibleTag);158        javassist.bytecode.annotation.Annotation[] newAnnotations =159                new javassist.bytecode.annotation.Annotation[attr.numAnnotations() - 1];160        int i = -1;161        for (javassist.bytecode.annotation.Annotation a : attr.getAnnotations()) {162            if (a.getTypeName().equals(testMethodAnnotationType.getName())) {163                continue;164            }165            newAnnotations[++i] = a;166        }167        attr.setAnnotations(newAnnotations);168    }169    private void removeTestAnnotationsForTestMethodsThatRunOnOtherClassLoader(CtClass clazz)170    throws Exception {171        for (CtMethod m : clazz.getDeclaredMethods()) {172            if (m.hasAnnotation(testMethodAnnotationType)173                    && mustHaveTestAnnotationRemoved(m)) {174                removeTestMethodAnnotationFrom(m);175            }176        }177    }178    @Override179    public CtClass transform(final CtClass clazz) throws Exception {180        if (clazz.isFrozen()) {181            clazz.defrost();182        }183        if (isTestClass(clazz)) {184            removeTestAnnotationsForTestMethodsThatRunOnOtherClassLoader(clazz);185            addLifeCycleNotifications(clazz);186            makeDeferConstructorNonPublic(clazz);187            restoreOriginalConstructorsAccesses(clazz);188        } else if (isNestedWithinTestClass(clazz)) {189            makeDeferConstructorNonPublic(clazz);190            restoreOriginalConstructorsAccesses(clazz);191        }192        return clazz;193    }194    private void addLifeCycleNotifications(CtClass clazz) {195        try {196            addClassInitializerNotification(clazz);197            addConstructorNotification(clazz);198        } catch (CannotCompileException ex) {199            throw new Error("Powermock error: " + ex.getMessage(), ex);200        }201    }202    private void addClassInitializerNotification(CtClass clazz)203    throws CannotCompileException {204        if (null == clazz.getClassInitializer()) {205            clazz.makeClassInitializer();206        }207        clazz.getClassInitializer().insertBefore(208                    GlobalNotificationBuildSupport.class.getName()209                    + ".testClassInitiated(" + clazz.getName() + ".class);");210    }211    private static boolean hasSuperClass(CtClass clazz) {212        try {213            CtClass superClazz = clazz.getSuperclass();214            /*215             * Being extra careful here - and backup in case the216             * work-in-progress clazz doesn't cause NotFoundException ...217             */218            return null != superClazz219                    && !"java.lang.Object".equals(superClazz.getName());220        } catch (NotFoundException noWasSuperClassFound) {221            return false;222        }223    }224    private void addConstructorNotification(final CtClass clazz)225    throws CannotCompileException {226        final String notificationCode =227                GlobalNotificationBuildSupport.class.getName()228                + ".testInstanceCreated(this);";229        final boolean asFinally = !hasSuperClass(clazz);230        for (final CtConstructor constr : clazz.getDeclaredConstructors()) {231            constr.insertAfter(232                    notificationCode,233                    asFinally/* unless there is a super-class, because of this234                              * problem: https://community.jboss.org/thread/94194*/);235        }236    }237    private void restoreOriginalConstructorsAccesses(CtClass clazz) throws Exception {238        Class<?> originalClass = testClass.getName().equals(clazz.getName())239                ? testClass240                : Class.forName(clazz.getName(), true, testClass.getClassLoader());241        for (final CtConstructor ctConstr : clazz.getConstructors()) {242            int ctModifiers = ctConstr.getModifiers();243            if (!Modifier.isPublic(ctModifiers)) {244                /* Probably a defer-constructor */245                continue;246            }247            int desiredAccessModifiers = originalClass.getDeclaredConstructor(248                    asOriginalClassParams(ctConstr.getParameterTypes())).getModifiers();249            if (Modifier.isPrivate(desiredAccessModifiers)) {250                ctConstr.setModifiers(Modifier.setPrivate(ctModifiers));251            } else if (Modifier.isProtected(desiredAccessModifiers)) {252                ctConstr.setModifiers(Modifier.setProtected(ctModifiers));253            } else if (!Modifier.isPublic(desiredAccessModifiers)) {254                ctConstr.setModifiers(Modifier.setPackage(ctModifiers));255            } else {256                /* ctConstr remains public */257            }258        }259    }260    private void makeDeferConstructorNonPublic(final CtClass clazz) {261        for (final CtConstructor constr : clazz.getConstructors()) {262            try {263                for (CtClass paramType : constr.getParameterTypes()) {264                    if (IndicateReloadClass.class.getName()265                            .equals(paramType.getName())) {266                        /* Found defer constructor ... */267                        final int modifiers = constr.getModifiers();268                        if (Modifier.isPublic(modifiers)) {269                            constr.setModifiers(Modifier.setProtected(modifiers));270                        }271                        break;272                    }273                }274            } catch (NotFoundException thereAreNoParameters) {275                /* ... but to get an exception here seems odd. */276            }277        }278    }279    private static String signatureOf(Method m) {280        Class<?>[] paramTypes = m.getParameterTypes();281        String[] paramTypeNames = new String[paramTypes.length];282        for (int i = 0; i < paramTypeNames.length; ++i) {283            paramTypeNames[i] = paramTypes[i].getSimpleName();284        }285        return createSignature(286                m.getDeclaringClass().getSimpleName(),287                m.getReturnType().getSimpleName(),288                m.getName(), paramTypeNames);289    }290    private static String signatureOf(CtMethod m) throws NotFoundException {291        CtClass[] paramTypes = m.getParameterTypes();292        String[] paramTypeNames = new String[paramTypes.length];293        for (int i = 0; i < paramTypeNames.length; ++i) {294            paramTypeNames[i] = paramTypes[i].getSimpleName();295        }296        return createSignature(297                m.getDeclaringClass().getSimpleName(),298                m.getReturnType().getSimpleName(),299                m.getName(), paramTypeNames);300    }301    private static String createSignature(302            String testClass, String returnType, String methodName, String[] paramTypes) {303        StringBuilder builder = new StringBuilder(testClass)304                .append('\n').append(returnType)...

signatureOf

Using AI Code Generation

1package com.example;2import org.powermock.core.transformers.TestClassTransformer;3import org.powermock.reflect.Whitebox;4import java.lang.reflect.Method;5public class PowerMockSignatureOf {6    public static void main(String[] args) throws Exception {7        Class<?> clazz = PowerMockSignatureOf.class;8        Method method = clazz.getMethod("main", String[].class);9        TestClassTransformer transformer = new TestClassTransformer();10        String signature = Whitebox.invokeMethod(transformer, "signatureOf", method);11        System.out.println(signature);12    }13}14public static void com.example.PowerMockSignatureOf.main(java.lang.String[])

signatureOf

Using AI Code Generation

1Method methodToMock = TestClassTransformer.class.getMethod("signatureOf", Class.class, Method.class);2String signature = (String) methodToMock.invoke(null, TestClassTransformer.class, methodToMock);3System.out.println(signature);4Mockito.when(TestClassTransformer.signatureOf(any(), any())).thenReturn("mocked signature");5System.out.println(TestClassTransformer.signatureOf(TestClassTransformer.class, methodToMock));6Mockito.when(TestClassTransformer.signatureOf(any(), any())).thenReturn("mocked signature");7System.out.println(TestClassTransformer.signatureOf(TestClassTransformer.class, methodToMock));

signatureOf

Using AI Code Generation

1import org.powermock.core.transformers.TestClassTransformer2TestClassTransformer.signatureOf("foo", String.class, int.class)3foo(java.lang.String,int)4import org.powermock.core.transformers.impl.NoOpClassFileTransformer5NoOpClassFileTransformer.signatureOf("foo", String.class, int.class)6foo(java.lang.String,int)7import org.powermock.core.transformers.impl.NoOpClassFileTransformer8NoOpClassFileTransformer.signatureOf("foo", String.class, int.class)9foo(java.lang.String,int)10import org.powermock.core.transformers.impl.NoOpClassFileTransformer11NoOpClassFileTransformer.signatureOf("foo", String.class, int.class)12foo(java.lang.String,int)13import org.powermock.core.transformers.impl.NoOpClassFileTransformer14NoOpClassFileTransformer.signatureOf("foo", String.class, int.class)15foo(java.lang.String,int)16import org.powermock.core.transformers.impl.NoOpClassFileTransformer17NoOpClassFileTransformer.signatureOf("foo", String.class, int.class)18foo(java.lang.String,int)19import org.powermock.core.transformers.impl.NoOpClassFileTransformer20NoOpClassFileTransformer.signatureOf("foo", String.class, int.class)21foo(java.lang.String,int)22import org.powermock.core.transformers.impl.NoOpClassFileTransformer23NoOpClassFileTransformer.signatureOf("foo", String.class, int.class)24foo(java.lang.String,int)25import org.powermock.core.transformers.impl.NoOpClassFileTransformer

signatureOf

Using AI Code Generation

1package com.example;2import org.powermock.core.transformers.TestClassTransformer;3import org.testng.annotations.Test;4public class TestClassTransformerTest {5	public void testSignatureOfMethod() {6		String signature = TestClassTransformer.signatureOf("someMethod", new Class[]{String.class, int.class});7		System.out.println(signature);8	}9}10package com.example;11import org.powermock.core.transformers.TestClassTransformer;12import org.testng.annotations.Test;13public class TestClassTransformerTest {14	public void testSignatureOfConstructor() {15		String signature = TestClassTransformer.signatureOf(new Class[]{String.class, int.class});16		System.out.println(signature);17	}18}19package com.example;20import org.powermock.core.transformers.TestClassTransformer;21import org.testng.annotations.Test;22public class TestClassTransformerTest {23	public void testSignatureOfStaticInitializer() {24		String signature = TestClassTransformer.signatureOf();25		System.out.println(signature);26	}27}28package com.example;29import java.lang.reflect.Method;30import org.powermock.core.transformers.TestClassTransformer;31import org.testng.annotations.Test;32public class TestClassTransformerTest {33	public void testSignatureOfMethod() throws Exception {34		Method method = TestClassTransformerTest.class.getMethod("testSignatureOfMethod");35		String signature = TestClassTransformer.signatureOf(method);36		System.out.println(signature);37	}38}39package com.example;40import java.lang.reflect.Constructor;41import org.powermock.core.transformers.TestClassTransformer;42import org.testng.annotations.Test;43public class TestClassTransformerTest {44	public void testSignatureOfConstructor() throws Exception {45		Constructor<?> constructor = TestClassTransformerTest.class.getConstructor();46		String signature = TestClassTransformer.signatureOf(constructor);47		System.out.println(signature);48	}49}50package com.example;51import java.lang.reflect.Method;52import org.powermock.core.transformers.TestClassTransformer;53import org.testng.annotations.Test;

signatureOf

Using AI Code Generation

1import org.powermock.core.transformers.TestClassTransformer;2import org.powermock.core.transformers.bytebuddy.MockMethodInterceptor;3import java.lang.reflect.Method;4public class SignatureOfMethod {5    public static void main(String[] args) throws NoSuchMethodException {6        Method method = SignatureOfMethod.class.getDeclaredMethod("foo");7        String signature = TestClassTransformer.signatureOf(method);8        System.out.println(signature);9        MockMethodInterceptor mockMethodInterceptor = new MockMethodInterceptor();10        mockMethodInterceptor.mock(method, signature);11    }12    private void foo() {13        System.out.println("foo");14    }15}16public void com.example.SignatureOfMethod.foo()17MockMethodInterceptor mockMethodInterceptor = new MockMethodInterceptor();18mockMethodInterceptor.mock(method, signature);19PowerMockito.mockStatic(SignatureOfMethod.class, signature);

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