How to use answer method of org.mockito.stubbing.Answer4 class

Best Mockito code snippet using org.mockito.stubbing.Answer4.answer

Source:AnswerFunctionalInterfaces.java Github

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1/*2 * Copyright (c) 2016 Mockito contributors3 * This program is made available under the terms of the MIT License.4 */5package org.mockito.internal.stubbing.answers;6import org.mockito.invocation.InvocationOnMock;7import org.mockito.stubbing.Answer;8import org.mockito.stubbing.Answer1;9import org.mockito.stubbing.Answer2;10import org.mockito.stubbing.Answer3;11import org.mockito.stubbing.Answer4;12import org.mockito.stubbing.Answer5;13import org.mockito.stubbing.VoidAnswer1;14import org.mockito.stubbing.VoidAnswer2;15import org.mockito.stubbing.VoidAnswer3;16import org.mockito.stubbing.VoidAnswer4;17import org.mockito.stubbing.VoidAnswer5;18/**19 * Functional interfaces to make it easy to implement answers in Java 820 *21 * @since 2.1.022 */23public class AnswerFunctionalInterfaces {24 /**25 * Hide constructor to avoid instantiation of class with only static methods26 */27 private AnswerFunctionalInterfaces() {28 }29 /**30 * Construct an answer from a two parameter answer interface31 * @param answer answer interface32 * @param <T> return type33 * @param <A> input parameter 1 type34 * @return a new answer object35 */36 public static <T, A> Answer<T> toAnswer(final Answer1<T, A> answer) {37 return new Answer<T>() {38 @SuppressWarnings("unchecked")39 public T answer(InvocationOnMock invocation) throws Throwable {40 return answer.answer((A)invocation.getArgument(0));41 }42 };43 }44 /**45 * Construct an answer from a two parameter answer interface46 * @param answer answer interface47 * @param <A> input parameter 1 type48 * @return a new answer object49 */50 public static <A> Answer<Void> toAnswer(final VoidAnswer1<A> answer) {51 return new Answer<Void>() {52 @SuppressWarnings("unchecked")53 public Void answer(InvocationOnMock invocation) throws Throwable {54 answer.answer((A)invocation.getArgument(0));55 return null;56 }57 };58 }59 /**60 * Construct an answer from a two parameter answer interface61 * @param answer answer interface62 * @param <T> return type63 * @param <A> input parameter 1 type64 * @param <B> input parameter 2 type65 * @return a new answer object66 */67 public static <T, A, B> Answer<T> toAnswer(final Answer2<T, A, B> answer) {68 return new Answer<T>() {69 @SuppressWarnings("unchecked")70 public T answer(InvocationOnMock invocation) throws Throwable {71 return answer.answer(72 (A)invocation.getArgument(0),73 (B)invocation.getArgument(1));74 }75 };76 }77 /**78 * Construct an answer from a two parameter answer interface79 * @param answer answer interface80 * @param <A> input parameter 1 type81 * @param <B> input parameter 2 type82 * @return a new answer object83 */84 public static <A, B> Answer<Void> toAnswer(final VoidAnswer2<A, B> answer) {85 return new Answer<Void>() {86 @SuppressWarnings("unchecked")87 public Void answer(InvocationOnMock invocation) throws Throwable {88 answer.answer(89 (A)invocation.getArgument(0),90 (B)invocation.getArgument(1));91 return null;92 }93 };94 }95 /**96 * Construct an answer from a three parameter answer interface97 * @param answer answer interface98 * @param <T> return type99 * @param <A> input parameter 1 type100 * @param <B> input parameter 2 type101 * @param <C> input parameter 3 type102 * @return a new answer object103 */104 public static <T, A, B, C> Answer<T> toAnswer(final Answer3<T, A, B, C> answer) {105 return new Answer<T>() {106 @SuppressWarnings("unchecked")107 public T answer(InvocationOnMock invocation) throws Throwable {108 return answer.answer(109 (A)invocation.getArgument(0),110 (B)invocation.getArgument(1),111 (C)invocation.getArgument(2));112 }113 };114 }115 /**116 * Construct an answer from a three parameter answer interface117 * @param answer answer interface118 * @param <A> input parameter 1 type119 * @param <B> input parameter 2 type120 * @param <C> input parameter 3 type121 * @return a new answer object122 */123 public static <A, B, C> Answer<Void> toAnswer(final VoidAnswer3<A, B, C> answer) {124 return new Answer<Void>() {125 @SuppressWarnings("unchecked")126 public Void answer(InvocationOnMock invocation) throws Throwable {127 answer.answer(128 (A)invocation.getArgument(0),129 (B)invocation.getArgument(1),130 (C)invocation.getArgument(2));131 return null;132 }133 };134 }135 /**136 * Construct an answer from a four parameter answer interface137 * @param answer answer interface138 * @param <T> return type139 * @param <A> input parameter 1 type140 * @param <B> input parameter 2 type141 * @param <C> input parameter 3 type142 * @param <D> input parameter 4 type143 * @return a new answer object144 */145 public static <T, A, B, C, D> Answer<T> toAnswer(final Answer4<T, A, B, C, D> answer) {146 return new Answer<T>() {147 @SuppressWarnings("unchecked")148 public T answer(InvocationOnMock invocation) throws Throwable {149 return answer.answer(150 (A)invocation.getArgument(0),151 (B)invocation.getArgument(1),152 (C)invocation.getArgument(2),153 (D)invocation.getArgument(3));154 }155 };156 }157 /**158 * Construct an answer from a four parameter answer interface159 * @param answer answer interface160 * @param <A> input parameter 1 type161 * @param <B> input parameter 2 type162 * @param <C> input parameter 3 type163 * @param <D> input parameter 4 type164 * @return a new answer object165 */166 public static <A, B, C, D> Answer<Void> toAnswer(final VoidAnswer4<A, B, C, D> answer) {167 return new Answer<Void>() {168 @SuppressWarnings("unchecked")169 public Void answer(InvocationOnMock invocation) throws Throwable {170 answer.answer(171 (A)invocation.getArgument(0),172 (B)invocation.getArgument(1),173 (C)invocation.getArgument(2),174 (D)invocation.getArgument(3));175 return null;176 }177 };178 }179 /**180 * Construct an answer from a five parameter answer interface181 * @param answer answer interface182 * @param <T> return type183 * @param <A> input parameter 1 type184 * @param <B> input parameter 2 type185 * @param <C> input parameter 3 type186 * @param <D> input parameter 4 type187 * @param <E> input parameter 5 type188 * @return a new answer object189 */190 public static <T, A, B, C, D, E> Answer<T> toAnswer(final Answer5<T, A, B, C, D, E> answer) {191 return new Answer<T>() {192 @SuppressWarnings("unchecked")193 public T answer(InvocationOnMock invocation) throws Throwable {194 return answer.answer(195 (A)invocation.getArgument(0),196 (B)invocation.getArgument(1),197 (C)invocation.getArgument(2),198 (D)invocation.getArgument(3),199 (E)invocation.getArgument(4));200 }201 };202 }203 /**204 * Construct an answer from a five parameter answer interface205 * @param answer answer interface206 * @param <A> input parameter 1 type207 * @param <B> input parameter 2 type208 * @param <C> input parameter 3 type209 * @param <D> input parameter 4 type210 * @param <E> input parameter 5 type211 * @return a new answer object212 */213 public static <A, B, C, D, E> Answer<Void> toAnswer(final VoidAnswer5<A, B, C, D, E> answer) {214 return new Answer<Void>() {215 @SuppressWarnings("unchecked")216 public Void answer(InvocationOnMock invocation) throws Throwable {217 answer.answer(218 (A)invocation.getArgument(0),219 (B)invocation.getArgument(1),220 (C)invocation.getArgument(2),221 (D)invocation.getArgument(3),222 (E)invocation.getArgument(4));223 return null;224 }225 };226 }227}...

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Source:AdditionalAnswers.java Github

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1package org.mockito;2import java.util.Collection;3import org.mockito.internal.stubbing.answers.AnswerFunctionalInterfaces;4import org.mockito.internal.stubbing.answers.AnswersWithDelay;5import org.mockito.internal.stubbing.answers.ReturnsArgumentAt;6import org.mockito.internal.stubbing.answers.ReturnsElementsOf;7import org.mockito.internal.stubbing.defaultanswers.ForwardsInvocations;8import org.mockito.stubbing.Answer;9import org.mockito.stubbing.Answer1;10import org.mockito.stubbing.Answer2;11import org.mockito.stubbing.Answer3;12import org.mockito.stubbing.Answer4;13import org.mockito.stubbing.Answer5;14import org.mockito.stubbing.VoidAnswer1;15import org.mockito.stubbing.VoidAnswer2;16import org.mockito.stubbing.VoidAnswer3;17import org.mockito.stubbing.VoidAnswer4;18import org.mockito.stubbing.VoidAnswer5;19public class AdditionalAnswers {20 public static <T> Answer<T> returnsFirstArg() {21 return new ReturnsArgumentAt(0);22 }23 public static <T> Answer<T> returnsSecondArg() {24 return new ReturnsArgumentAt(1);25 }26 public static <T> Answer<T> returnsLastArg() {27 return new ReturnsArgumentAt(-1);28 }29 public static <T> Answer<T> returnsArgAt(int i) {30 return new ReturnsArgumentAt(i);31 }32 public static <T> Answer<T> delegatesTo(Object obj) {33 return new ForwardsInvocations(obj);34 }35 public static <T> Answer<T> returnsElementsOf(Collection<?> collection) {36 return new ReturnsElementsOf(collection);37 }38 @Incubating39 public static <T> Answer<T> answersWithDelay(long j, Answer<T> answer) {40 return new AnswersWithDelay(j, answer);41 }42 @Incubating43 public static <T, A> Answer<T> answer(Answer1<T, A> answer1) {44 return AnswerFunctionalInterfaces.toAnswer(answer1);45 }46 @Incubating47 public static <A> Answer<Void> answerVoid(VoidAnswer1<A> voidAnswer1) {48 return AnswerFunctionalInterfaces.toAnswer(voidAnswer1);49 }50 @Incubating51 public static <T, A, B> Answer<T> answer(Answer2<T, A, B> answer2) {52 return AnswerFunctionalInterfaces.toAnswer(answer2);53 }54 @Incubating55 public static <A, B> Answer<Void> answerVoid(VoidAnswer2<A, B> voidAnswer2) {56 return AnswerFunctionalInterfaces.toAnswer(voidAnswer2);57 }58 @Incubating59 public static <T, A, B, C> Answer<T> answer(Answer3<T, A, B, C> answer3) {60 return AnswerFunctionalInterfaces.toAnswer(answer3);61 }62 @Incubating63 public static <A, B, C> Answer<Void> answerVoid(VoidAnswer3<A, B, C> voidAnswer3) {64 return AnswerFunctionalInterfaces.toAnswer(voidAnswer3);65 }66 @Incubating67 public static <T, A, B, C, D> Answer<T> answer(Answer4<T, A, B, C, D> answer4) {68 return AnswerFunctionalInterfaces.toAnswer(answer4);69 }70 @Incubating71 public static <A, B, C, D> Answer<Void> answerVoid(VoidAnswer4<A, B, C, D> voidAnswer4) {72 return AnswerFunctionalInterfaces.toAnswer(voidAnswer4);73 }74 @Incubating75 public static <T, A, B, C, D, E> Answer<T> answer(Answer5<T, A, B, C, D, E> answer5) {76 return AnswerFunctionalInterfaces.toAnswer(answer5);77 }78 @Incubating79 public static <A, B, C, D, E> Answer<Void> answerVoid(VoidAnswer5<A, B, C, D, E> voidAnswer5) {80 return AnswerFunctionalInterfaces.toAnswer(voidAnswer5);81 }82}...

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answer

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1import org.mockito.stubbing.Answer;2import org.mockito.invocation.InvocationOnMock;3import static org.mockito.Mockito.mock;4import static org.mockito.Mockito.when;5import static org.mockito.Mockito.doAnswer;6import static org.mockito.Mockito.verify;7import static org.mockito.Mockito.times;8import static org.mockito.Mockito.anyInt;9import static org.mockito.Mockito.anyString;10public class Test {11 public static void main(String[] args) {12 List mockedList = mock(List.class);13 when(mockedList.get(anyInt())).thenAnswer(14 new Answer() {15 public Object answer(InvocationOnMock invocation) {16 Object[] args = invocation.getArguments();17 Object mock = invocation.getMock();18 return "called with arguments: " + args;19 }20 }21 );22 System.out.println(mockedList.get(0));23 System.out.println(mockedList.get(999));24 }25}

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answer

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1import org.mockito.stubbing.Answer4;2import org.mockito.stubbing.Answer3;3import org.mockito.stubbing.Answer2;4import org.mockito.stubbing.Answer1;5import org.mockito.stubbing.Answer;6import org.mockito.stubbing.OngoingStubbing;7import org.mockito.stubbing.Stubber;8import org.mockito.stubbing.Stubber2;9import org.mockito.stubbing.Stubber1;10import org.mockito.stubbing.Stubber0;11import org.mockito.stubbing.Stubber3;12import org.mockito.stubbing.Stubber4;13import org.mockito.stubbing.Stubber5;14import org.mockito.stubbing.Stubber6;15import org.mockito.stubbing.Stubber7;16import org.mockito.stubbing.Stubber8;17import org.mockito.stubbing.Stubber9;18import org.mockito.stubbing.Stubber10;19import org.mockito.stubbing.Stubber11;20import org.mockito.stubbing.Stubber12;21import org.mockito.stubbing.Stubber13;22import org.mockito.stubbing.Stubber14;23import org.mockito.stubbing.Stubber15;24import org.mockito.stubbing.Stubber16;25import org.mockito.stubbing.Stubber17;26import org.mockito.stubbing.Stubber18;27import org.mockito.stubbing.Stubber19;28import org.mockito.stubbing.Stubber20;29import org.mockito.stubbing.Stubber21;30import org.mockito.stubbing.Stubber22;31import org.mockito.stubbing.Stubber23;32import org.mockito.stubbing.Stubber24;33import org.mockito.stubbing.Stubber25;34import org.mockito.stubbing.Stubber26;35import org.mockito.stubbing.Stubber27;36import org.mockito.stubbing.Stubber28;37import org.mockito.stubbing.Stubber29;38import org.mockito.stubbing.Stubber30;39import org.mockito.stubbing.Stubber31;40import org.mockito.stubbing.Stubber32;41import org.mockito.stubbing.Stubber33;42import org.mockito.stubbing.Stubber34;43import org.mockito.stubbing.Stubber35;44import org.mockito.stubbing.Stubber36;45import org.mockito.stubbing.Stubber37;46import org.mockito.stubbing.Stubber38;47import org.mockito.stubbing.Stubber39;48import org.mockito.stubbing.Stubber40;49import org.mockito.stubbing.Stubber41;50import org.mockito.stubbing.Stubber42;51import org.mockito.stubbing.Stubber43;52import org.mockito.stubbing.Stubber44;53import org.mockito.stubbing.Stubber45;54import org.mockito.stubbing.Stubber46;55import org.mockito.stubbing.Stubber47;56import org.mockito.stub

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answer

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1import org.mockito.stubbing.Answer4;2import org.mockito.Mockito;3import org.mockito.stubbing.Answer;4import org.mockito.invocation.InvocationOnMock;5import org.mockito.stubbing.Stubber;6import org.mockito.stubbing.OngoingStubbing;7{8 public static void main(String[] args)9 {10 List<String> mockedList = mock(List.class);11 when(mockedList.get(anyInt())).thenAnswer(new Answer<String>()12 {13 public String answer(InvocationOnMock invocation) throws Throwable14 {15 return "Hello World";16 }17 });18 System.out.println(mockedList.get(1));19 }20}

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answer

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1package com.ack.j2se.mock;2import org.junit.Test;3import org.mockito.stubbing.Answer;4import static org.mockito.Mockito.*;5public class Answer4Test {6 public void testAnswer() {7 Runnable mock = mock( Runnable.class );8 doAnswer( new Answer() {9 public Object answer( org.mockito.invocation.InvocationOnMock invocation )10 throws Throwable {11 Object[] args = invocation.getArguments();12 Object mock = invocation.getMock();13 return null;14 }15 } ).when( mock ).run();16 mock.run();17 }18}19package com.ack.j2se.mock;20import org.junit.Test;21import org.mockito.stubbing.Stubber;22import static org.mockito.Mockito.*;23public class StubberTest {24 public void testStubber() {25 Runnable mock = mock( Runnable.class );26 Stubber stubber = doAnswer( new org.mockito.stubbing.Answer() {27 public Object answer( org.mockito.invocation.InvocationOnMock invocation )28 throws Throwable {29 Object[] args = invocation.getArguments();30 Object mock = invocation.getMock();31 return null;32 }33 } );34 stubber.when( mock ).run();35 mock.run();36 }37}38package com.ack.j2se.mock;39import org.junit.Test;40import org.mockito.stubbing.Stubber;41import static org.mockito.Mockito.*;42public class StubberTest {43 public void testStubber() {44 Runnable mock = mock( Runnable.class );45 Stubber stubber = doAnswer( new org.mockito.stubbing.Answer() {46 public Object answer( org.mockito.invocation.InvocationOnMock invocation )47 throws Throwable {

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answer

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1import org.mockito.stubbing.Answer4;2import static org.mockito.Mockito.*;3import org.mockito.invocation.InvocationOnMock;4import org.mockito.stubbing.Answer;5public class MockitoAnswer4 {6 public static void main(String[] args) {7 Answer4<String> answer = new Answer4<String>() {8 public String answer(String a, String b, String c, String d) {9 return a + b + c + d;10 }11 };12 List<String> list = mock(List.class);13 when(list.get(anyInt())).thenAnswer(answer);14 System.out.println(list.get(0));15 }16}17package org.mockito.stubbing;18public interface Answer5<T> {19 T answer(T a, T b, T c, T d, T e);20}21import org.mockito.stubbing.Answer5;22import static org.mockito.Mockito.*;23import org.mockito.invocation.InvocationOnMock;24import org.mockito.stubbing.Answer;25public class MockitoAnswer5 {26 public static void main(String[] args) {27 Answer5<String> answer = (a, b, c, d, e) -> a + b + c + d + e;28 List<String> list = mock(List.class);29 when(list.get(anyInt())).thenAnswer(answer);30 System.out.println(list.get(0));31 }32}33package org.mockito.stubbing;34public interface Answer6<T> {35 T answer(T a, T b, T c, T d, T e, T f);36}37import org.mockito.stubbing.Answer6;38import static org.mockito.Mockito.*;39import org.mockito.invocation.InvocationOnMock;40import org.mockito.stubbing.Answer;41public class MockitoAnswer6 {42 public static void main(String[] args) {43 Answer6<String> answer = (a, b, c, d, e, f) -> a + b + c + d

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1import org.mockito.stubbing.Answer4;2{3 public static void main(String[] args)4 {5 Answer4 answer = mock(Answer4.class);6 when(answer.answer()).thenReturn("Hello World");7 System.out.println(answer.answer());8 }9}

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1import org.mockito.stubbing.Answer;2public class Test {3 public static void main(String[] args) {4 MyClass myClass = mock(MyClass.class);5 when(myClass.myMethod()).thenAnswer(new Answer<Integer>() {6 public Integer answer(InvocationOnMock invocation) {7 return 100;8 }9 });10 System.out.println(myClass.myMethod());11 }12}

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