How to use actualTypeArguments method of org.mockito.internal.util.reflection.GenericMetadataSupport class

Best Mockito code snippet using org.mockito.internal.util.reflection.GenericMetadataSupport.actualTypeArguments

Source:GenericMetadataSupportTest.java Github

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...61 assertThat(inferFrom(StringList.class.getGenericSuperclass()).rawType()).isEqualTo(ArrayList.class);62 }63 @Test64 public void can_get_type_variables_from_Class() throws Exception {65 assertThat(inferFrom(GenericsNest.class).actualTypeArguments().keySet()).hasSize(1).onProperty("name").contains("K");66 assertThat(inferFrom(ListOfNumbers.class).actualTypeArguments().keySet()).isEmpty();67 assertThat(inferFrom(ListOfAnyNumbers.class).actualTypeArguments().keySet()).hasSize(1).onProperty("name").contains("N");68 assertThat(inferFrom(Map.class).actualTypeArguments().keySet()).hasSize(2).onProperty("name").contains("K", "V");69 assertThat(inferFrom(Serializable.class).actualTypeArguments().keySet()).isEmpty();70 assertThat(inferFrom(StringList.class).actualTypeArguments().keySet()).isEmpty();71 }72 @Test73 public void can_get_type_variables_from_ParameterizedType() throws Exception {74 assertThat(inferFrom(GenericsNest.class.getGenericInterfaces()[0]).actualTypeArguments().keySet()).hasSize(2).onProperty("name").contains("K", "V");75 assertThat(inferFrom(ListOfAnyNumbers.class.getGenericInterfaces()[0]).actualTypeArguments().keySet()).hasSize(1).onProperty("name").contains("E");76 assertThat(inferFrom(Integer.class.getGenericInterfaces()[0]).actualTypeArguments().keySet()).hasSize(1).onProperty("name").contains("T");77 assertThat(inferFrom(StringBuilder.class.getGenericInterfaces()[0]).actualTypeArguments().keySet()).isEmpty();78 assertThat(inferFrom(StringList.class).actualTypeArguments().keySet()).isEmpty();79 }80 @Test81 public void typeVariable_return_type_of____iterator____resolved_to_Iterator_and_type_argument_to_String() throws Exception {82 GenericMetadataSupport genericMetadata = inferFrom(StringList.class).resolveGenericReturnType(firstNamedMethod("iterator", StringList.class));83 assertThat(genericMetadata.rawType()).isEqualTo(Iterator.class);84 assertThat(genericMetadata.actualTypeArguments().values()).contains(String.class);85 }86 @Test87 public void typeVariable_return_type_of____get____resolved_to_Set_and_type_argument_to_Number() throws Exception {88 GenericMetadataSupport genericMetadata = inferFrom(GenericsNest.class).resolveGenericReturnType(firstNamedMethod("get", GenericsNest.class));89 assertThat(genericMetadata.rawType()).isEqualTo(Set.class);90 assertThat(genericMetadata.actualTypeArguments().values()).contains(Number.class);91 }92 @Test93 public void bounded_typeVariable_return_type_of____returningK____resolved_to_Comparable_and_with_BoundedType() throws Exception {94 GenericMetadataSupport genericMetadata = inferFrom(GenericsNest.class).resolveGenericReturnType(firstNamedMethod("returningK", GenericsNest.class));95 assertThat(genericMetadata.rawType()).isEqualTo(Comparable.class);96 GenericMetadataSupport extraInterface_0 = inferFrom(genericMetadata.extraInterfaces().get(0));97 assertThat(extraInterface_0.rawType()).isEqualTo(Cloneable.class);98 }99 @Test100 public void fixed_ParamType_return_type_of____remove____resolved_to_Set_and_type_argument_to_Number() throws Exception {101 GenericMetadataSupport genericMetadata = inferFrom(GenericsNest.class).resolveGenericReturnType(firstNamedMethod("remove", GenericsNest.class));102 assertThat(genericMetadata.rawType()).isEqualTo(Set.class);103 assertThat(genericMetadata.actualTypeArguments().values()).contains(Number.class);104 }105 @Test106 public void paramType_return_type_of____values____resolved_to_Collection_and_type_argument_to_Parameterized_Set() throws Exception {107 GenericMetadataSupport genericMetadata = inferFrom(GenericsNest.class).resolveGenericReturnType(firstNamedMethod("values", GenericsNest.class));108 assertThat(genericMetadata.rawType()).isEqualTo(Collection.class);109 GenericMetadataSupport fromTypeVariableE = inferFrom(typeVariableValue(genericMetadata.actualTypeArguments(), "E"));110 assertThat(fromTypeVariableE.rawType()).isEqualTo(Set.class);111 assertThat(fromTypeVariableE.actualTypeArguments().values()).contains(Number.class);112 }113 @Test114 public void paramType_with_type_parameters_return_type_of____paramType_with_type_params____resolved_to_Collection_and_type_argument_to_Parameterized_Set() throws Exception {115 GenericMetadataSupport genericMetadata = inferFrom(GenericsNest.class).resolveGenericReturnType(firstNamedMethod("paramType_with_type_params", GenericsNest.class));116 assertThat(genericMetadata.rawType()).isEqualTo(List.class);117 Type firstBoundOfE = ((GenericMetadataSupport.TypeVarBoundedType) typeVariableValue(genericMetadata.actualTypeArguments(), "E")).firstBound();118 assertThat(inferFrom(firstBoundOfE).rawType()).isEqualTo(Comparable.class);119 }120 @Test121 public void typeVariable_with_type_parameters_return_type_of____typeVar_with_type_params____resolved_K_hence_to_Comparable_and_with_BoundedType() throws Exception {122 GenericMetadataSupport genericMetadata = inferFrom(GenericsNest.class).resolveGenericReturnType(firstNamedMethod("typeVar_with_type_params", GenericsNest.class));123 assertThat(genericMetadata.rawType()).isEqualTo(Comparable.class);124 GenericMetadataSupport extraInterface_0 = inferFrom(genericMetadata.extraInterfaces().get(0));125 assertThat(extraInterface_0.rawType()).isEqualTo(Cloneable.class);126 }127 @Test128 public void class_return_type_of____append____resolved_to_StringBuilder_and_type_arguments() throws Exception {129 GenericMetadataSupport genericMetadata = inferFrom(StringBuilder.class).resolveGenericReturnType(firstNamedMethod("append", StringBuilder.class));130 assertThat(genericMetadata.rawType()).isEqualTo(StringBuilder.class);131 assertThat(genericMetadata.actualTypeArguments()).isEmpty();132 }133 @Test134 public void paramType_with_wildcard_return_type_of____returning_wildcard_with_class_lower_bound____resolved_to_List_and_type_argument_to_Integer() throws Exception {135 GenericMetadataSupport genericMetadata = inferFrom(GenericsNest.class).resolveGenericReturnType(firstNamedMethod("returning_wildcard_with_class_lower_bound", GenericsNest.class));136 assertThat(genericMetadata.rawType()).isEqualTo(List.class);137 GenericMetadataSupport.BoundedType boundedType = (GenericMetadataSupport.BoundedType) typeVariableValue(genericMetadata.actualTypeArguments(), "E");138 assertThat(boundedType.firstBound()).isEqualTo(Integer.class);139 assertThat(boundedType.interfaceBounds()).isEmpty();140 }141 @Test142 public void paramType_with_wildcard_return_type_of____returning_wildcard_with_typeVar_lower_bound____resolved_to_List_and_type_argument_to_Integer() throws Exception {143 GenericMetadataSupport genericMetadata = inferFrom(GenericsNest.class).resolveGenericReturnType(firstNamedMethod("returning_wildcard_with_typeVar_lower_bound", GenericsNest.class));144 assertThat(genericMetadata.rawType()).isEqualTo(List.class);145 GenericMetadataSupport.BoundedType boundedType = (GenericMetadataSupport.BoundedType) typeVariableValue(genericMetadata.actualTypeArguments(), "E");146 assertThat(inferFrom(boundedType.firstBound()).rawType()).isEqualTo(Comparable.class);147 assertThat(boundedType.interfaceBounds()).contains(Cloneable.class); }148 @Test149 public void paramType_with_wildcard_return_type_of____returning_wildcard_with_typeVar_upper_bound____resolved_to_List_and_type_argument_to_Integer() throws Exception {150 GenericMetadataSupport genericMetadata = inferFrom(GenericsNest.class).resolveGenericReturnType(firstNamedMethod("returning_wildcard_with_typeVar_upper_bound", GenericsNest.class));151 assertThat(genericMetadata.rawType()).isEqualTo(List.class);152 GenericMetadataSupport.BoundedType boundedType = (GenericMetadataSupport.BoundedType) typeVariableValue(genericMetadata.actualTypeArguments(), "E");153 assertThat(inferFrom(boundedType.firstBound()).rawType()).isEqualTo(Comparable.class);154 assertThat(boundedType.interfaceBounds()).contains(Cloneable.class);155 }156 private Type typeVariableValue(Map<TypeVariable, Type> typeVariables, String typeVariableName) {157 for (Map.Entry<TypeVariable, Type> typeVariableTypeEntry : typeVariables.entrySet()) {158 if (typeVariableTypeEntry.getKey().getName().equals(typeVariableName)) {159 return typeVariableTypeEntry.getValue();160 }161 }162 fail("'" + typeVariableName + "' was not found in " + typeVariables);163 return null; // unreachable164 }165 private Method firstNamedMethod(String methodName, Class<?> clazz) {166 for (Method method : clazz.getMethods()) {...

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actualTypeArguments

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1import org.mockito.internal.util.reflection.GenericMetadataSupport;2import org.mockito.internal.util.reflection.GenericMetadataSupport.GenericType;3import org.mockito.internal.util.reflection.GenericMetadataSupport.GenericType.GenericArrayType;4import org.mockito.internal.util.reflection.GenericMetadataSupport.GenericType.GenericClassType;5import org.mockito.internal.util.reflection.GenericMetadataSupport.GenericType.GenericParameterizedType;6import org.mockito.internal.util.reflection.GenericMetadataSupport.GenericType.GenericWildcardType;7import java.lang.reflect.Type;8import java.util.Arrays;9import java.util.List;10import java.util.Map;11import java.util.stream.Collectors;12public class ActualTypeArgumentsTest {13 public static void main(String[] args) {14 testGenericArrayType();15 }16 private static void testGenericClassType() {17 GenericType genericType = GenericMetadataSupport.actualTypeArguments(new GenericClassType(List.class), List.class);18 System.out.println(genericType);19 }20 private static void testGenericParameterizedType() {21 GenericType genericType = GenericMetadataSupport.actualTypeArguments(new GenericParameterizedType(List.class, new GenericClassType(String.class)), List.class);22 System.out.println(genericType);23 }24 private static void testGenericWildcardType() {25 GenericType genericType = GenericMetadataSupport.actualTypeArguments(new GenericWildcardType(new Type[]{String.class}, new Type[0]), List.class);26 System.out.println(genericType);27 }28 private static void testGenericArrayType() {29 GenericType genericType = GenericMetadataSupport.actualTypeArguments(new GenericArrayType(new GenericClassType(String.class)), List.class);30 System.out.println(genericType);31 }32}33GenericType{type=class java.lang.String}34GenericType{type=class java.lang.String}35GenericType{type=class java.lang.String}36GenericType{type=class java.lang.String}

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actualTypeArguments

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1import org.mockito.internal.util.reflection.GenericMetadataSupport2import org.mockito.internal.util.reflection.GenericMetadataSupport.GenericType3import org.mockito.internal.util.reflection.GenericMetadataSupport.GenericType.GenericArrayType4import org.mockito.internal.util.reflection.GenericMetadataSupport.GenericType.ParameterizedType5import org.mockito.internal.util.reflection.GenericMetadataSupport.GenericType.TypeVariable6import org.mockito.internal.util.reflection.GenericMetadataSupport.GenericType.WildcardType7def actualTypeArguments = new GenericMetadataSupport().actualTypeArguments(GenericType<?>)8import org.mockito.internal.util.reflection.GenericMetadataSupport9import org.mockito.internal.util.reflection.GenericMetadataSupport.GenericType10import org.mockito.internal.util.reflection.GenericMetadataSupport.GenericType.GenericArrayType11import org.mockito.internal.util.reflection.GenericMetadataSupport.GenericType.ParameterizedType12import org.mockito.internal.util.reflection.GenericMetadataSupport.GenericType.TypeVariable13import org.mockito.internal.util.reflection.GenericMetadataSupport.GenericType.WildcardType14def actualTypeArguments = new GenericMetadataSupport().actualTypeArguments(GenericType<?>)15import org.mockito.internal.util.reflection.GenericMetadataSupport16import org.mockito.internal.util.reflection.GenericMetadataSupport.GenericType17import org.mockito.internal.util.reflection.GenericMetadataSupport.GenericType.GenericArrayType18import org.mockito.internal.util.reflection.GenericMetadataSupport.GenericType.ParameterizedType19import org.mockito.internal.util.reflection.GenericMetadataSupport.GenericType.TypeVariable20import org.mockito.internal.util.reflection.GenericMetadataSupport.GenericType.WildcardType21def actualTypeArguments = new GenericMetadataSupport().actualTypeArguments(GenericType<?>)22import org.mockito.internal.util.reflection.GenericMetadataSupport23import org.mockito.internal.util.reflection.GenericMetadataSupport.GenericType24import org.mockito.internal.util.reflection.GenericMetadataSupport.GenericType.GenericArrayType25import org.mockito.internal.util.reflection.GenericMetadataSupport.GenericType.ParameterizedType26import org.mockito.internal.util.reflection.GenericMetadataSupport.GenericType.TypeVariable27import org.mockito.internal.util.reflection.GenericMetadataSupport.GenericType.WildcardType

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actualTypeArguments

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1public class GenericMetadataSupportTest {2 public void testGetActualTypeArguments() throws Exception {3 GenericMetadataSupport genericMetadataSupport = new GenericMetadataSupport();4 Type[] actualTypeArguments = genericMetadataSupport.actualTypeArguments(new TypeReference<List<String>>() {});5 assertEquals(String.class, actualTypeArguments[0]);6 }7}8package org.mockito.internal.util.reflection;9import org.junit.Test;10import org.mockito.internal.util.reflection.GenericMetadataSupport;11import org.mockito.internal.util.reflection.TypeReference;12import java.lang.reflect.Type;13import java.util.List;14import static org.junit.Assert.assertEquals;15public class GenericMetadataSupportTest {16 public void testGetActualTypeArguments() throws Exception {17 GenericMetadataSupport genericMetadataSupport = new GenericMetadataSupport();18 Type[] actualTypeArguments = genericMetadataSupport.actualTypeArguments(new TypeReference<List<String>>() {});19 assertEquals(String.class, actualTypeArguments[0]);20 }21}22package org.mockito.internal.util.reflection;23import java.lang.reflect.Type;24public class TypeReference<T> {25 private final Type type;26 protected TypeReference() {27 type = ((java.lang.reflect.ParameterizedType)getClass().getGenericSuperclass()).getActualTypeArguments()[0];28 }29 public Type getType() {30 return type;31 }32}33package org.mockito.internal.util.reflection;34import java.lang.reflect.Type;35public class TypeReference<T> {36 private final Type type;37 protected TypeReference() {38 type = ((java.lang.reflect.ParameterizedType)getClass().getGenericSuperclass()).getActualTypeArguments()[0];39 }40 public Type getType() {41 return type;42 }43}44package org.mockito.internal.util.reflection;45import java.lang.reflect.Type;46public class TypeReference<T> {47 private final Type type;48 protected TypeReference() {49 type = ((java.lang.reflect.ParameterizedType)getClass().getGenericSuperclass()).getActualTypeArguments()[0];50 }51 public Type getType() {52 return type;53 }54}55package org.mockito.internal.util.reflection;56import java.lang.reflect.Type;57public class TypeReference<T> {58 private final Type type;59 protected TypeReference() {60 type = ((java.lang.reflect.ParameterizedType)getClass().getGenericSuperclass()).getActualTypeArguments()[0];61 }62 public Type getType() {63 return type;

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actualTypeArguments

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1public class GenericMetadataSupport {2 private static final Map<Class<?>, Type[]> ACTUAL_TYPE_ARGUMENTS_CACHE = new ConcurrentHashMap<Class<?>, Type[]>();3 private static final Type[] EMPTY_TYPE_ARRAY = new Type[0];4 public static Type[] actualTypeArguments(Class<?> type, Class<?> genericSuperclass) {5 if (type == null) {6 return EMPTY_TYPE_ARRAY;7 }8 Type[] actualTypeArguments = ACTUAL_TYPE_ARGUMENTS_CACHE.get(type);9 if (actualTypeArguments != null) {10 return actualTypeArguments;11 }12 actualTypeArguments = EMPTY_TYPE_ARRAY;13 if (genericSuperclass.isAssignableFrom(type.getSuperclass())) {14 actualTypeArguments = actualTypeArguments(type.getGenericSuperclass());15 } else {16 Type[] genericInterfaces = type.getGenericInterfaces();17 for (Type genericInterface : genericInterfaces) {18 if (genericSuperclass.isAssignableFrom(rawType(genericInterface))) {19 actualTypeArguments = actualTypeArguments(genericInterface);20 break;21 }22 }23 }24 ACTUAL_TYPE_ARGUMENTS_CACHE.put(type, actualTypeArguments);25 return actualTypeArguments;26 }27 private static Type[] actualTypeArguments(Type genericType) {28 if (genericType instanceof ParameterizedType) {29 ParameterizedType parameterizedType = (ParameterizedType) genericType;30 return parameterizedType.getActualTypeArguments();31 }32 return EMPTY_TYPE_ARRAY;33 }34 private static Class<?> rawType(Type genericType) {35 if (genericType instanceof ParameterizedType) {36 ParameterizedType parameterizedType = (ParameterizedType) genericType;37 return rawType(parameterizedType.getRawType());38 }39 return (Class<?>) genericType;40 }41}

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actualTypeArguments

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1import org.mockito.internal.util.reflection.GenericMetadataSupport;2import org.mockito.internal.util.reflection.GenericMetadataSupport.GenericType;3import org.mockito.internal.util.reflection.GenericMetadataSupport.GenericType.GenericArrayType;4import org.mockito.internal.util.reflection.GenericMetadataSupport.GenericType.ParameterizedType;5import org.mockito.internal.util.reflection.GenericMetadataSupport.GenericType.TypeVariable;6import org.mockito.internal.util.reflection.GenericMetadataSupport.GenericType.WildcardType;7import java.lang.reflect.Field;8import java.lang.reflect.Method;9import java.lang.reflect.Type;10import java.lang.reflect.TypeVariable;11import java.util.ArrayList;12import java.util.List;13class Main {14 public static void main(String[] args) {15 System.out.println(getFieldGenericType(Bar.class, "foo"));16 System.out.println(getMethodParameterType(Bar.class, "foo", String.class));17 System.out.println(getMethodReturnType(Bar.class, "foo"));18 System.out.println(getMethodParameterType(Bar.class, "foo", List.class));19 }20 static Type getMethodParameterType(Class<?> clazz, String methodName, Class<?> parameterType) {21 for (Method method : clazz.getDeclaredMethods()) {22 if (method.getName().equals(methodName)) {23 for (int i = 0; i < method.getParameterTypes().length; i++) {24 if (method.getParameterTypes()[i].equals(parameterType)) {25 return method.getGenericParameterTypes()[i];26 }27 }28 }29 }30 throw new RuntimeException("Method " + methodName + " with parameter type " + parameterType + " not found in class " + clazz.getName());31 }32 static Type getMethodReturnType(Class<?> clazz, String methodName) {33 for (Method method : clazz.getDeclaredMethods()) {34 if (method.getName().equals(methodName)) {35 return method.getGenericReturnType();36 }37 }38 throw new RuntimeException("Method

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