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How to use newInstance method of org.powermock.reflect.Whitebox class

Best Powermock code snippet using org.powermock.reflect.Whitebox.newInstance

Source:PowerMockClassloaderObjectFactory.java

...51		ignorePackagesExtractor = new PowerMockIgnorePackagesExtractorImpl();52                expectedExceptionsExtractor = new PowerMockExpectedExceptionsExtractorImpl();53                staticConstructorSuppressExtractor = new StaticConstructorSuppressExtractorImpl();54	}55	public Object newInstance(@SuppressWarnings("rawtypes") Constructor constructor, Object... params) {56		/*57		 * For extra safety clear the MockitoRepository on each new58		 * instantiation of the object factory. This is good in cases where a59		 * previous test has used e.g. PowerMock#createMock(..) to create a mock60		 * without using this factory. That means that there's some state left in61		 * the MockRepository that hasn't been cleared. Currently clearing the62		 * MockRepository from any classloader will clear the previous state but63		 * it's not certain that this is always the case.64		 */65		MockRepository.clear();66		Class<?> testClass = constructor.getDeclaringClass();67		mockLoader.addIgnorePackage(ignorePackagesExtractor.getPackagesToIgnore(testClass));68                mockLoader.addIgnorePackage(expectedExceptionsExtractor.getPackagesToIgnore(testClass));69		mockLoader.addClassesToModify(testClassesExtractor.getTestClasses(testClass));70                mockLoader.addClassesToModify(staticConstructorSuppressExtractor.getClassesToModify(testClass));71		try {72			registerProxyframework(mockLoader);73			new MockPolicyInitializerImpl(testClass).initialize(mockLoader);74			final Class<?> testClassLoadedByMockedClassLoader = createTestClass(testClass);75			Constructor<?> con = testClassLoadedByMockedClassLoader.getConstructor(constructor.getParameterTypes());76			final Object testInstance = con.newInstance(params);77			if (!extendsPowerMockTestCase(testClass)) {78				setInvocationHandler(testInstance);79			}80			return testInstance;81		} catch (RuntimeException e) {82			throw e;83		} catch (Exception e) {84			throw new RuntimeException(e);85		}86	}87	private void setInvocationHandler(Object testInstance) throws Exception {88		Class<?> powerMockTestNGMethodHandlerClass = Class.forName(PowerMockTestNGMethodHandler.class.getName(), false, mockLoader);89		Object powerMockTestNGMethodHandlerInstance = powerMockTestNGMethodHandlerClass.getConstructor(Class.class).newInstance(90				testInstance.getClass());91		Whitebox.invokeMethod(testInstance, "setHandler", powerMockTestNGMethodHandlerInstance);92	}93	/**94	 * We proxy the test class in order to be able to clear state after each95	 * test method invocation. It would be much better to be able to register a96	 * testng listener programmtically but I cannot find a way to do so.97	 */98	private Class<?> createTestClass(Class<?> actualTestClass) throws Exception {99		final Class<?> testClassLoadedByMockedClassLoader = Class.forName(actualTestClass.getName(), false, mockLoader);100		if (extendsPowerMockTestCase(actualTestClass)) {101			return testClassLoadedByMockedClassLoader;102		} else {103			Class<?> proxyFactoryClass = Class.forName(ProxyFactory.class.getName(), false, mockLoader);104			final Class<?> testNGMethodFilterByMockedClassLoader = Class.forName(TestNGMethodFilter.class.getName(), false, mockLoader);105			Object f = proxyFactoryClass.newInstance();106			Object filter = testNGMethodFilterByMockedClassLoader.newInstance();107			Whitebox.invokeMethod(f, "setFilter", filter);108			Whitebox.invokeMethod(f, "setSuperclass", testClassLoadedByMockedClassLoader);109			Class<?> c = Whitebox.invokeMethod(f, "createClass");110			return c;111		}112	}113	private boolean extendsPowerMockTestCase(Class<?> actualTestClass) {114		return PowerMockTestCase.class.isAssignableFrom(actualTestClass);115	}116	private void registerProxyframework(ClassLoader classLoader) {117		Class<?> proxyFrameworkClass = null;118		try {119			proxyFrameworkClass = Class.forName("org.powermock.api.extension.proxyframework.ProxyFrameworkImpl", false, classLoader);120		} catch (ClassNotFoundException e) {121			throw new IllegalStateException(122					"Extension API internal error: org.powermock.api.extension.proxyframework.ProxyFrameworkImpl could not be located in classpath.");123		}124		Class<?> proxyFrameworkRegistrar = null;125		try {126			proxyFrameworkRegistrar = Class.forName(RegisterProxyFramework.class.getName(), false, classLoader);127		} catch (ClassNotFoundException e) {128			// Should never happen129			throw new RuntimeException(e);130		}131		try {132			Whitebox.invokeMethod(proxyFrameworkRegistrar, "registerProxyFramework", Whitebox.newInstance(proxyFrameworkClass));133		} catch (RuntimeException e) {134			throw e;135		} catch (Exception e) {136			throw new RuntimeException(e);137		}138	}139}...

Source:ClassWithNonPublicStaticInnerClassTest.java

...3import static org.hamcrest.core.IsNot.not;4import static org.junit.Assert.assertThat;5import static org.powermock.reflect.Whitebox.getInnerClassType;6import static org.powermock.reflect.Whitebox.invokeMethod;7import static org.powermock.reflect.Whitebox.newInstance;8import static org.powermock.reflect.Whitebox.setInternalState;9import com.zak.powermock.recipes.TestHelper;10import org.junit.Before;11import org.junit.Test;12import org.junit.runner.RunWith;13import org.powermock.modules.junit4.PowerMockRunner;14@RunWith(PowerMockRunner.class)15public class ClassWithNonPublicStaticInnerClassTest extends TestHelper {16    private ClassWithNonPublicStaticInnerClass sut;17    private Class sutClass;18    @Before19    public void setUp() {20        sut = new ClassWithNonPublicStaticInnerClass();21        sutClass = sut.getClass();22    }23    @Test24    public void shouldGainAccessToProtectedInnerClass() throws ClassNotFoundException {25        setInstance("ProtectedInnerClass", "protectedInnerClass");26        String description = sut.getProtectedInnerClass().getDescription();27        validateDescription(description);28    }29    @Test30    public void shouldGainAccessToPrivateInnerClass() throws Exception {31        setInstance("PrivateInnerClass", "privateInnerClass");32        String description = invokeMethod(sut.getPrivateInnerClass(), "getDescription");33        validateDescription(description);34    }35    private void validateDescription(String description) {36        assertThat(description, is(not((String)null)));37        logger.info(description);38    }39    private void setInstance(String className, String instanceName) throws ClassNotFoundException {40        Class<Object> privateInnerClass = getInnerClassType(sutClass, className);41        setInternalState(sut, instanceName, newInstance(privateInnerClass));42    }43}...

newInstance

Using AI Code Generation

1package com.automationrhapsody.powermock;2import java.lang.reflect.InvocationTargetException;3import org.powermock.reflect.Whitebox;4public class WhiteboxNewInstance {5    public static void main(String[] args) throws InstantiationException, IllegalAccessException, IllegalArgumentException, InvocationTargetException, NoSuchMethodException, SecurityException {6        String str = Whitebox.newInstance(String.class);7        System.out.println("str: " + str);8    }9}

newInstance

Using AI Code Generation

1import org.powermock.reflect.Whitebox;2import java.lang.reflect.InvocationTargetException;3public class 4 {4    public static void main(String[] args) throws ClassNotFoundException, InstantiationException, IllegalAccessException, InvocationTargetException {5        String className = "java.util.ArrayList";6        Object o = Whitebox.newInstance(Class.forName(className));7        System.out.println(o);8    }9}10import org.powermock.reflect.Whitebox;11import java.lang.reflect.InvocationTargetException;12public class 5 {13    public static void main(String[] args) throws ClassNotFoundException, InstantiationException, IllegalAccessException, InvocationTargetException {14        String className = "java.util.ArrayList";15        Object o = Whitebox.newInstance(Class.forName(className));16        System.out.println(o);17    }18}19import org.powermock.reflect.Whitebox;20import java.lang.reflect.InvocationTargetException;21public class 6 {22    public static void main(String[] args) throws ClassNotFoundException, InstantiationException, IllegalAccessException, InvocationTargetException {23        String className = "java.util.ArrayList";24        Object o = Whitebox.newInstance(Class.forName(className));25        System.out.println(o);26    }27}28import org.powermock.reflect.Whitebox;29import java.lang.reflect.InvocationTargetException;30public class 7 {31    public static void main(String[] args) throws ClassNotFoundException, InstantiationException, IllegalAccessException, InvocationTargetException {32        String className = "java.util.ArrayList";33        Object o = Whitebox.newInstance(Class.forName(className));34        System.out.println(o);35    }36}37import org.powermock.reflect.Whitebox;38import java.lang.reflect.InvocationTargetException;39public class 8 {40    public static void main(String[] args) throws ClassNotFoundException, InstantiationException, IllegalAccessException, InvocationTargetException {41        String className = "java.util.ArrayList";42        Object o = Whitebox.newInstance(Class.forName(className));43        System.out.println(o);44    }45}

newInstance

Using AI Code Generation

1package org.powermock.api.mockito.internal.mockcreation;2import java.lang.reflect.Constructor;3import java.lang.reflect.InvocationTargetException;4import org.powermock.reflect.Whitebox;5public class NewInstanceMockCreator extends AbstractMockCreator {6    protected Object getMock(Class<?> type, Class<?>[] constructorArgTypes, Object[] constructorArgs) throws MockCreationException {7        try {8            Constructor<?> constructor = type.getDeclaredConstructor(constructorArgTypes);9            return Whitebox.newInstance(constructor, constructorArgs);10        } catch (NoSuchMethodException e) {11            throw new MockCreationException("No constructor with matching arguments found in class " + type.getName(), e);12        } catch (IllegalAccessException e) {13            throw new MockCreationException("Unable to access constructor in class " + type.getName(), e);14        } catch (InstantiationException e) {15            throw new MockCreationException("Unable to instantiate class " + type.getName(), e);16        } catch (InvocationTargetException e) {17            throw new MockCreationException("Unable to invoke constructor in class " + type.getName(), e);18        }19    }20}21package org.powermock.api.mockito.internal.mockcreation;22import java.lang.reflect.Constructor;23import java.lang.reflect.InvocationTargetException;24import org.powermock.reflect.Whitebox;25public class NewInstanceMockCreator extends AbstractMockCreator {26    protected Object getMock(Class<?> type, Class<?>[] constructorArgTypes, Object[] constructorArgs) throws MockCreationException {27        try {28            Constructor<?> constructor = type.getDeclaredConstructor(constructorArgTypes);29            return Whitebox.newInstance(constructor, constructorArgs);30        } catch (NoSuchMethodException e) {31            throw new MockCreationException("No constructor with matching arguments found in class " + type.getName(), e);32        } catch (IllegalAccessException e) {33            throw new MockCreationException("Unable to access constructor in class " + type.getName(), e);34        } catch (InstantiationException e) {35            throw new MockCreationException("Unable to instantiate class " + type.getName(), e);36        } catch (InvocationTargetException e) {37            throw new MockCreationException("Unable to invoke constructor in class " + type.getName(), e);38        }39    }40}41package org.powermock.api.mockito.internal.mockcreation;42import java

newInstance

Using AI Code Generation

1package org.powermock.examples.tutorial.partialmocking;2import org.powermock.reflect.Whitebox;3public class ClassWithStaticMethod {4    public static int add(int a, int b) {5        return a + b;6    }7}8package org.powermock.examples.tutorial.partialmocking;9import org.powermock.reflect.Whitebox;10public class ClassWithStaticMethod {11    public static int add(int a, int b) {12        return a + b;13    }14}15package org.powermock.examples.tutorial.partialmocking;16import org.powermock.reflect.Whitebox;17public class ClassWithStaticMethod {18    public static int add(int a, int b) {19        return a + b;20    }21}22package org.powermock.examples.tutorial.partialmocking;23import org.powermock.reflect.Whitebox;24public class ClassWithStaticMethod {25    public static int add(int a, int b) {26        return a + b;27    }28}29package org.powermock.examples.tutorial.partialmocking;30import org.powermock.reflect.Whitebox;31public class ClassWithStaticMethod {32    public static int add(int a, int b) {33        return a + b;34    }35}36package org.powermock.examples.tutorial.partialmocking;37import org.powermock.reflect.Whitebox;38public class ClassWithStaticMethod {39    public static int add(int a, int b) {40        return a + b;41    }42}43package org.powermock.examples.tutorial.partialmocking;44import org.powermock.reflect.Whitebox;45public class ClassWithStaticMethod {46    public static int add(int a, int b) {47        return a + b;48    }49}50package org.powermock.examples.tutorial.partialmocking;51import org.powermock

newInstance

Using AI Code Generation

1package org.powermock.examples.tutorial.partialmocking.service;2import org.powermock.reflect.Whitebox;3public class ServiceFactory {4    public static Service createService() throws Exception {5        return Whitebox.newInstance(Service.class);6    }7}8package org.powermock.examples.tutorial.partialmocking.service;9import org.powermock.reflect.Whitebox;10public class ServiceFactory {11    public static Service createService() throws Exception {12        return Whitebox.newInstance(Service.class);13    }14}15package org.powermock.examples.tutorial.partialmocking.service;16import org.powermock.reflect.Whitebox;17public class ServiceFactory {18    public static Service createService() throws Exception {19        return Whitebox.newInstance(Service.class);20    }21}22package org.powermock.examples.tutorial.partialmocking.service;23import org.powermock.reflect.Whitebox;24public class ServiceFactory {25    public static Service createService() throws Exception {26        return Whitebox.newInstance(Service.class);27    }28}29package org.powermock.examples.tutorial.partialmocking.service;30import org.powermock.reflect.Whitebox;31public class ServiceFactory {32    public static Service createService() throws Exception {33        return Whitebox.newInstance(Service.class);34    }35}36package org.powermock.examples.tutorial.partialmocking.service;37import org.powermock.reflect.Whitebox;38public class ServiceFactory {39    public static Service createService() throws Exception {40        return Whitebox.newInstance(Service.class);41    }42}43package org.powermock.examples.tutorial.partialmocking.service;44import org.powermock.reflect.Whitebox;45public class ServiceFactory {

newInstance

Using AI Code Generation

1package com.powermock.examples;2import org.powermock.reflect.Whitebox;3public class 4 {4	public static void main(String[] args) throws Exception {5		Object obj=Whitebox.newInstance("com.powermock.examples.5");6		Whitebox.invokeMethod(obj, "print");7	}8}9package com.powermock.examples;10public class 5 {11	public void print(){12		System.out.println("I am class 5");13	}14}

newInstance

Using AI Code Generation

1import java.lang.reflect.*;2import java.io.*;3import java.util.*;4import java.lang.*;5import java.util.Scanner;6import java.io.File;7import java.io.IOException;8import java.io.InputStream;9import java.io.InputStreamReader;10import java.io.BufferedReader;11import java.io.FileInputStream;12import java.io.FileNotFoundException;13import java.io.FileReader;14import java.io.FileWriter;15import java.io.BufferedWriter;16import java.io.PrintWriter;17import java.io.OutputStreamWriter;18import java.io.FileOutputStream;19import java.io.BufferedOutputStream;20import java.io.DataOutputStream;21import java.io.ByteArrayOutputStream;22import java.io.ByteArrayInputStream;23import java.io.DataInputStream;24import java.io.ObjectOutputStream;25import java.io.ObjectInputStream;26import java.io.ObjectOutput;27import java.io.ObjectInput;28import java.io.Serializable;29import java.io.Externalizable;30import java.io.ObjectStreamClass;31import java.io.ObjectStreamField;32import java.io.ObjectStreamException;33import java.io.NotSerializableException;34import java.io.ObjectStreamConstants;35import java.io.StreamCorruptedException;36import java.io.ObjectStreamClass;37import java.io.ObjectStreamField;38import java.io.ObjectStreamException;39import java.io.NotSerializableException;40import java.io.ObjectStreamConstants;41import java.io.StreamCorruptedException;42import java.io.ObjectStreamClass;43import java.io.ObjectStreamField;44import java.io.ObjectStreamException;45import java.io.NotSerializableException;46import java.io.ObjectStreamConstants;47import java.io.StreamCorruptedException;48import java.io.ObjectStreamClass;49import java.io.ObjectStreamField;50import java.io.ObjectStreamException;51import java.io.NotSerializableException;52import java.io.ObjectStreamConstants;53import java.io.StreamCorruptedException;54import java.io.ObjectStreamClass;55import java.io.ObjectStreamField;56import java.io.ObjectStreamException;57import java.io.NotSerializableException;58import java.io.ObjectStreamConstants;59import java.io.StreamCorruptedException;60import java.io.ObjectStreamClass;61import java.io.ObjectStreamField;62import java.io.ObjectStreamException;63import java.io.NotSerializableException;64import java.io.ObjectStreamConstants;65import java.io.StreamCorruptedException;66import java.io.ObjectStreamClass;67import java.io.ObjectStreamField;68import java.io.ObjectStreamException;69import java.io.NotSerializableException;70import java.io.ObjectStreamConstants;71import java.io.StreamCorruptedException;72import java.io.ObjectStreamClass;73import java.io.ObjectStreamField;74import java.io.ObjectStreamException;75import java.io.NotSerializableException;76import java.io.ObjectStream

newInstance

Using AI Code Generation

1package org.powermock.examples.tutorial.partialmocking;2import org.junit.Test;3import org.powermock.reflect.Whitebox;4import static org.junit.Assert.assertEquals;5public class UsingWhiteboxTest {6    public void testUsingWhitebox() throws Exception {7        MyClass myClass = Whitebox.newInstance(MyClass.class);8        Whitebox.setInternalState(myClass, "myPrivateField", "Hello World");9        String privateFieldValue = Whitebox.getInternalState(myClass, "myPrivateField");10        assertEquals("Hello World", privateFieldValue);11    }12}13package org.powermock.examples.tutorial.partialmocking;

newInstance

Using AI Code Generation

1import java.lang.reflect.*;2import java.io.*;3import java.util.*;4import java.lang.*;5import java.util.Scanner;6import java.io.File;7import java.io.IOException;8import java.io.InputStream;9import java.io.InputStreamReader;10import java.io.BufferedReader;11import java.io.FileInputStream;12import java.io.FileNotFoundException;13import java.io.FileReader;14import java.io.FileWriter;15import java.io.BufferedWriter;16import java.io.PrintWriter;17import java.io.OutputStreamWriter;18import java.io.FileOutputStream;19import java.io.BufferedOutputStream;20import java.io.DataOutputStream;21import java.io.ByteArrayOutputStream;22import java.io.ByteArrayInputStream;23import java.io.DataInputStream;24import java.io.ObjectOutputStream;25import java.io.ObjectInputStream;26import java.io.ObjectOutput;27import java.io.ObjectInput;28import java.io.Serializable;29import java.io.Externalizable;30import java.io.ObjectStreamClass;31import java.io.ObjectStreamField;32import java.io.ObjectStreamException;33import java.io.NotSerializableException;34import java.io.ObjectStreamConstants;35import java.io.StreamCorruptedException;36import java.io.ObjectStreamClass;37import java.io.ObjectStreamField;38import java.io.ObjectStreamException;39import java.io.NotSerializableException;40import java.io.ObjectStreamConstants;41import java.io.StreamCorruptedException;42import java.io.ObjectStreamClass;43import java.io.ObjectStreamField;44import java.io.ObjectStreamException;45import java.io.NotSerializableException;46import java.io.ObjectStreamConstants;47import java.io.StreamCorruptedException;48import java.io.ObjectStreamClass;49import java.io.ObjectStreamField;50import java.io.ObjectStreamException;51import java.io.NotSerializableException;52import java.io.ObjectStreamConstants;53import java.io.StreamCorruptedException;54import java.io.ObjectStreamClass;55import java.io.ObjectStreamField;56import java.io.ObjectStreamException;57import java.io.NotSerializableException;58import java.io.ObjectStreamConstants;59import java.io.StreamCorruptedException;60import java.io.ObjectStreamClass;61import java.io.ObjectStreamField;62import java.io.ObjectStreamException;63import java.io.NotSerializableException;64import java.io.ObjectStreamConstants;65import java.io.StreamCorruptedException;66import java.io.ObjectStreamClass;67import java.io.ObjectStreamField;68import java.io.ObjectStreamException;69import java.io.NotSerializableException;70import java.io.ObjectStreamConstants;71import java.io.StreamCorruptedException;72import java.io.ObjectStreamClass;73import java.io.ObjectStreamField;74import java.io.ObjectStreamException;75import java.io.NotSerializableException;76import java.io.ObjectStream

newInstance

Using AI Code Generation

1package org.powermock.examples.tutorial.partialmocking;2import org.junit.Test;3import org.powermock.reflect.Whitebox;4import static org.junit.Assert.assertEquals;5public class UsingWhiteboxTest {6    public void testUsingWhitebox() throws Exception {7        MyClass myClass = Whitebox.newInstance(MyClass.class);8        Whitebox.setInternalState(myClass, "myPrivateField", "Hello World");9        String privateFieldValue = Whitebox.getInternalState(myClass, "myPrivateField");10        assertEquals("Hello World", privateFieldValue);11    }12}13package org.powermock.examples.tutorial.partialmocking;

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