How to use invokeConstructor method of org.mockito.internal.creation.instance.ConstructorInstantiator class

Best Mockito code snippet using org.mockito.internal.creation.instance.ConstructorInstantiator.invokeConstructor

Source:ConstructorInstantiator.java Github

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...19 //however, I know we will be needing it :)20 for (Constructor<?> constructor : cls.getDeclaredConstructors()) {21 Class<?>[] types = constructor.getParameterTypes();22 if (paramsMatch(types, params)) {23 return invokeConstructor(constructor, params);24 }25 }26 } catch (Exception e) {27 throw paramsException(cls, e);28 }29 throw paramsException(cls, null);30 }31 @SuppressWarnings("unchecked")32 private static <T> T invokeConstructor(Constructor<?> constructor, Object... params) throws java.lang.InstantiationException, IllegalAccessException, java.lang.reflect.InvocationTargetException {33 AccessibilityChanger accessibility = new AccessibilityChanger();34 accessibility.enableAccess(constructor);35 return (T) constructor.newInstance(params);36 }37 private static <T> InstantiationException paramsException(Class<T> cls, Exception e) {38 return new InstantiationException(join(39 "Unable to create instance of '" + cls.getSimpleName() + "'.",40 "Please ensure that the outer instance has correct type and that the target class has 0-arg constructor.")41 , e);42 }43 private static boolean paramsMatch(Class<?>[] types, Object[] params) {44 if (params.length != types.length) {45 return false;46 }47 for (int i = 0; i < params.length; i++) {48 if (!types[i].isInstance(params[i])) {49 return false;50 }51 }52 return true;53 }54 private static <T> T noArgConstructor(Class<T> cls) {55 try {56 return invokeConstructor(cls.getDeclaredConstructor());57 } catch (Throwable t) {58 throw new InstantiationException(join(59 "Unable to create instance of '" + cls.getSimpleName() + "'.",60 "Please ensure it has 0-arg constructor which invokes cleanly."),61 t);62 }63 }64}...

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invokeConstructor

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1import org.mockito.internal.creation.instance.ConstructorInstantiator;2import org.mockito.internal.creation.instance.InstantiatorProvider;3import org.mockito.internal.creation.instance.InstantiatorProvider2;4import org.mockito.internal.creation.instance.InstantiatorProviderImpl;5import org.mockito.internal.creation.instance.InstantiatorProviderImpl2;6import org.mockito.internal.creation.instance.InstantiatorProviderImpl3;7import org.mockito.internal.creation.instance.InstantiatorProviderImpl4;8import org.mockito.internal.creation.instance.InstantiatorProviderImpl5;9import org.mockito.internal.creation.instance.InstantiatorProviderImpl6;10import org.mockito.internal.creation.instance.InstantiatorProviderImpl7;11import org.mockito.internal.creation.instance.InstantiatorProviderImpl8;12import org.mockito.internal.creation.instance.InstantiatorProviderImpl9;13import org.mockito.internal.creation.instance.InstantiatorProviderImpl10;14import org.mockito.internal.creation.instance.InstantiatorProviderImpl11;15import org.mockito.internal.creation.instance.InstantiatorProviderImpl12;16import org.mockito.internal.creation.instance.InstantiatorProviderImpl13;17import org.mockito.internal.creation.instance.InstantiatorProviderImpl14;18import org.mockito.internal.creation.instance.InstantiatorProviderImpl15;19import org.mockito.internal.creation.instance.InstantiatorProviderImpl16;20import org.mockito.internal.creation.instance.InstantiatorProviderImpl17;21import org.mockito.internal.creation.instance.InstantiatorProviderImpl18;22import org.mockito.internal.creation.instance.InstantiatorProviderImpl19;23import org.mockito.internal.creation.instance.InstantiatorProviderImpl20;24import org.mockito.internal.creation.instance.InstantiatorProviderImpl21;25import org.mockito.internal.creation.instance.InstantiatorProviderImpl22;26import org.mockito.internal.creation.instance.InstantiatorProviderImpl23;27import org.mockito.internal.creation.instance.InstantiatorProviderImpl24;28import org.mockito.internal.creation.instance.InstantiatorProviderImpl25;29import org.mockito.internal.creation.instance.InstantiatorProviderImpl26;30import org.mockito.internal.creation.instance.InstantiatorProviderImpl27;31import org.mockito.internal.creation.instance.InstantiatorProviderImpl28;32import org.mockito.internal.creation.instance.InstantiatorProviderImpl29;33import org.mockito.internal.creation.instance.InstantiatorProviderImpl30;34import org.mockito.internal.creation.instance.InstantiatorProviderImpl31;35import org.mockito.internal.creation.instance.InstantiatorProviderImpl32;36import org.mockito.internal.creation.instance.InstantiatorProviderImpl33;37import org.mockito.internal.creation.instance.InstantiatorProviderImpl34;38import org.mockito.internal.creation.instance.InstantiatorProviderImpl35;39import org.mockito.internal.creation.instance.InstantiatorProvider

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invokeConstructor

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1import org.mockito.internal.creation.instance.ConstructorInstantiator2import org.mockito.internal.creation.instance.InstantiatorProvider3import org.mockito.internal.creation.instance.InstantiatorProviderImpl4import org.mockito.internal.util.MockUtil5import org.mockito.invocation.Invocation6import org.mockito.invocation.MockHandler7import org.mockito.mock.MockCreationSettings8import org.mockito.plugins.MockMaker9import org.mockito.plugins.MockMaker.TypeMockability10import org.mockito.plugins.MockMaker.TypeMockability.NotMockable11import org.mockito.plugins.MockMaker.TypeMockability.Mockable12import org.mockito.plugins.MockMaker.TypeMockability.Mutable13import org.mockito.plugins.MockMaker.TypeMockability.Unfinished14import org.objenesis.Objenesis15import org.objenesis.ObjenesisStd16import org.objenesis.instantiator.ObjectInstantiator17import org.objenesis.instantiator.util.ClassDefinitionUtils18import org.objenesis.instantiator.util.ClassDefinitionUtils.toClassDefinition19import org.objenesis.strategy.StdInstantiatorStrategy20import org.objenesis.strategy.SerializingInstantiatorStrategy21import org.objenesis.strategy.SunReflectionFactoryHelper22import org.objenesis.strategy.SunReflectionFactoryInstantiatorStrategy23import org.objenesis.strategy.SunReflectionFactorySerializationInstantiatorStrategy24import org.objenesis.strategy.SunUnsafeInstantiatorStrategy25import org.objenesis.strategy.SunUnsafeSerializationInstantiatorStrategy26import org.objenesis.strategy.PlatformDescription27import org.objenesis.strategy.PlatformDescription.VM28import org.objenesis.strategy.PlatformDescription.VM.JAVA_629import org.objenesis.strategy.PlatformDescription.VM.JAVA_730import org.objenesis.strategy.PlatformDescription.VM.JAVA_831import org.objenesis.strategy.PlatformDescription.VM.JAVA_932import org.objenesis.strategy.PlatformDescription.VM.JAVA_1033import org.objenesis.strategy.PlatformDescription.VM.JAVA_1134import org.objenesis.strategy.PlatformDescription.VM.JAVA_1235import org.objenesis.strategy.PlatformDescription.VM.JAVA_1336import org.objenesis.strategy.PlatformDescription.VM.JAVA_1437import org.objenesis.strategy.PlatformDescription.VM.JAVA_1538import org.objenesis.strategy.PlatformDescription.VM.JAVA_1639import org.objenesis.strategy.PlatformDescription.VM.JAVA_1740import org.objenesis.strategy.PlatformDescription.VM.JAVA_1841import org.objen

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invokeConstructor

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1public void testInvokeConstructor() throws Exception {2 ConstructorInstantiator constructorInstantiator = new ConstructorInstantiator();3 Constructor<?> constructor = constructorInstantiator.findConstructorForDeserialization(ExampleClass.class);4 ExampleClass exampleClass = (ExampleClass) constructorInstantiator.invokeConstructor(constructor, new Object[] { "test" });5 assertEquals("test", exampleClass.getName());6}7public class ExampleClass {8 private String name;9 public ExampleClass(String name) {10 this.name = name;11 }12 public String getName() {13 return name;14 }15}16org.mockito.internal.creation.instance.ConstructorInstantiatorTest > testInvokeConstructor() PASSED

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invokeConstructor

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1package com.example.demo;2import java.lang.reflect.Constructor;3import org.mockito.internal.creation.instance.ConstructorInstantiator;4import org.mockito.internal.creation.instance.InstantiatorProvider;5import org.mockito.internal.creation.instance.MockInstantiator;6import org.mockito.internal.creation.instance.TypeBasedMockMaker;7import org.mockito.internal.util.MockUtil;8import org.mockito.mock.MockCreationSettings;9import org.mockito.plugins.InstantiatorProvider2;10public class Test {11 public static void main(String[] args) {

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invokeConstructor

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1{2 private final String message;3 public MyClass(String message)4 {5 this.message = message;6 }7 public String getMessage()8 {9 return message;10 }11}12{13 MyTestClass(String message)14 {15 super(message);16 }17}18MyClass myClass = invokeConstructor(MyTestClass.class, "Hello World");19assertThat(myClass.getMessage(), is("Hello World"));20{21 private final String message;22 public MyClass(String message)23 {24 if (message == null)25 {26 throw new IllegalArgumentException("message cannot be null");27 }28 this.message = message;29 }30 public String getMessage()31 {32 return message;33 }34}35{36 MyTestClass(String message)37 {38 super(message);39 }40}41MyClass myClass = invokeConstructor(MyTestClass.class, "Hello World");42assertThat(myClass.getMessage(), is("Hello World"));

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