iSharkFly-Docs
/
java-tutorials
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Java 13914 (#13083) 

* [JAVA-13914] Replaced Junit4 annotations with Junit5

* [JAVA-13914] Replaced Junit4 annotations with Junit5

* [JAVA-13914] Fixed test

* [JAVA-13914] Clean up

Co-authored-by: panagiotiskakos <panagiotis.kakos@libra-is.com>
This commit is contained in:
panos-kakos 2022-12-08 14:17:51 +00:00 committed by GitHub
parent 205506f00a
commit 0264bb82c8
17 changed files with 307 additions and 242 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

39
testing-modules/mockito-simple/src/test/java/com/baeldung/app/rest/FlowerControllerUnitTest.java
View File

@ -1,6 +1,7 @@
package com.baeldung.app.rest;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.mockito.AdditionalMatchers.or;
import static org.mockito.ArgumentMatchers.anyInt;
import static org.mockito.ArgumentMatchers.anyString;
@ -10,18 +11,18 @@ import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.exceptions.misusing.InvalidUseOfMatchersException;
import org.mockito.junit.MockitoJUnitRunner;
import org.mockito.junit.jupiter.MockitoExtension;
import com.baeldung.app.api.Flower;
import com.baeldung.domain.service.FlowerService;
@RunWith(MockitoJUnitRunner.class)
public class FlowerControllerUnitTest {
@ExtendWith(MockitoExtension.class)
class FlowerControllerUnitTest {
@InjectMocks
private FlowerController flowerController;
@ -30,7 +31,7 @@ public class FlowerControllerUnitTest {
private FlowerService flowerService;
@Test
public void givenPoppyFlower_whenUsingDoReturn_thenCorrect() {
void givenPoppyFlower_whenUsingDoReturn_thenCorrect() {
doReturn("Flower").when(flowerService).analyze("poppy");
String response = flowerController.isAFlower("poppy");
@ -38,25 +39,27 @@ public class FlowerControllerUnitTest {
}
@Test
public void givenAnyString_whenUsingArgumentMatcher_thenCorrect() {
void givenAnyString_whenUsingArgumentMatcher_thenCorrect() {
when(flowerService.analyze(anyString())).thenReturn("Flower");
String response = flowerController.isAFlower("violetta");
assertThat(response).isEqualTo("Flower");
}
@Test(expected = InvalidUseOfMatchersException.class)
public void whenIncorrectMatchers_thenThrowsError() {
when(flowerService.isABigFlower("poppy", anyInt())).thenReturn(true);
@Test
void whenIncorrectMatchers_thenThrowsError() {
assertThrows(InvalidUseOfMatchersException.class, () -> {
when(flowerService.isABigFlower("poppy", anyInt())).thenReturn(true);
});
Flower flower = new Flower("poppy", 15);
Boolean response = flowerController.isABigFlower(flower);
assertThat(response).isTrue();
assertThat(response).isFalse();
}
@Test
public void whenCorrectMatchers_thenCorrect() {
void whenCorrectMatchers_thenCorrect() {
when(flowerService.isABigFlower(eq("poppy"), anyInt())).thenReturn(true);
Flower flower = new Flower("poppy", 15);
@ -65,23 +68,25 @@ public class FlowerControllerUnitTest {
assertThat(response).isTrue();
}
@Test(expected = InvalidUseOfMatchersException.class)
public void whenUsingMatchersAsReturnValue_thenThrowsError() {
@Test
void whenUsingMatchersAsReturnValue_thenThrowsError() {
flowerController.isAFlower("poppy");
String orMatcher = or(eq("poppy"), endsWith("y"));
verify(flowerService).analyze(orMatcher);
assertThrows(InvalidUseOfMatchersException.class, () -> {
verify(flowerService).analyze(orMatcher);
});
}
@Test
public void whenUsingMatchersAsOngoingStubbing_thenCorrect1() {
void whenUsingMatchersAsOngoingStubbing_thenCorrect1() {
flowerController.isAFlower("poppy");
verify(flowerService).analyze(or(eq("poppy"), endsWith("y")));
}
@Test
public void whenUsingMatchersAsOngoingStubbing_thenCorrect2() {
void whenUsingMatchersAsOngoingStubbing_thenCorrect2() {
flowerController.isAFlower("lily");
verify(flowerService).analyze(or(eq("poppy"), endsWith("y")));

62
testing-modules/mockito-simple/src/test/java/com/baeldung/app/rest/MessageControllerUnitTest.java
View File

@ -5,52 +5,52 @@ import static org.mockito.ArgumentMatchers.argThat;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.junit.MockitoJUnitRunner;
import org.mockito.junit.jupiter.MockitoExtension;
import com.baeldung.app.api.MessageDTO;
import com.baeldung.domain.model.Message;
import com.baeldung.domain.service.MessageService;
import com.baeldung.domain.util.MessageMatcher;
@RunWith(MockitoJUnitRunner.class)
public class MessageControllerUnitTest {
@ExtendWith(MockitoExtension.class)
class MessageControllerUnitTest {
@InjectMocks
private MessageController messageController;
@InjectMocks
private MessageController messageController;
@Mock
private MessageService messageService;
@Mock
private MessageService messageService;
@Test
public void givenMsg_whenVerifyUsingAnyMatcher_thenOk() {
MessageDTO messageDTO = new MessageDTO();
messageDTO.setFrom("me");
messageDTO.setTo("you");
messageDTO.setText("Hello, you!");
@Test
void givenMsg_whenVerifyUsingAnyMatcher_thenOk() {
MessageDTO messageDTO = new MessageDTO();
messageDTO.setFrom("me");
messageDTO.setTo("you");
messageDTO.setText("Hello, you!");
messageController.createMessage(messageDTO);
messageController.createMessage(messageDTO);
verify(messageService, times(1)).deliverMessage(any(Message.class));
}
verify(messageService, times(1)).deliverMessage(any(Message.class));
}
@Test
public void givenMsg_whenVerifyUsingMessageMatcher_thenOk() {
MessageDTO messageDTO = new MessageDTO();
messageDTO.setFrom("me");
messageDTO.setTo("you");
messageDTO.setText("Hello, you!");
@Test
void givenMsg_whenVerifyUsingMessageMatcher_thenOk() {
MessageDTO messageDTO = new MessageDTO();
messageDTO.setFrom("me");
messageDTO.setTo("you");
messageDTO.setText("Hello, you!");
messageController.createMessage(messageDTO);
messageController.createMessage(messageDTO);
Message message = new Message();
message.setFrom("me");
message.setTo("you");
message.setText("Hello, you!");
Message message = new Message();
message.setFrom("me");
message.setTo("you");
message.setText("Hello, you!");
verify(messageService, times(1)).deliverMessage(argThat(new MessageMatcher(message)));
}
verify(messageService, times(1)).deliverMessage(argThat(new MessageMatcher(message)));
}
}

4
testing-modules/mockito-simple/src/test/java/com/baeldung/junit5/mockito/UserServiceUnitTest.java
View File

@ -6,6 +6,7 @@ import static org.junit.jupiter.api.Assertions.fail;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.lenient;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.reset;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
@ -13,7 +14,6 @@ import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.invocation.InvocationOnMock;
import org.mockito.junit.jupiter.MockitoExtension;
import org.mockito.stubbing.Answer;
@ -115,7 +115,7 @@ class UserServiceUnitTest {
void givenUserWithExistingName_whenSaveUser_thenGiveUsernameAlreadyExistsError() {
// Given
user = new User("jerry", 12);
Mockito.reset(userRepository);
reset(userRepository);
when(userRepository.isUsernameAlreadyExists(any(String.class))).thenReturn(true);
// When

6
testing-modules/mockito-simple/src/test/java/com/baeldung/mockito/MockFinalsUnitTest.java
View File

@ -4,12 +4,12 @@ import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
import org.junit.Test;
import org.junit.jupiter.api.Test;
public class MockFinalsUnitTest {
class MockFinalsUnitTest {
@Test
public void whenMockFinalMethodMockWorks() {
void whenMockFinalMethodMockWorks() {
MyList myList = new MyList();

64
testing-modules/mockito-simple/src/test/java/com/baeldung/mockito/MockitoAnnotationUnitTest.java
View File

@ -1,23 +1,27 @@
package com.baeldung.mockito;
import static org.junit.Assert.assertEquals;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.ArgumentCaptor;
import org.mockito.Captor;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.Spy;
import org.mockito.junit.MockitoJUnitRunner;
import org.mockito.junit.jupiter.MockitoExtension;
@RunWith(MockitoJUnitRunner.class)
public class MockitoAnnotationUnitTest {
@ExtendWith(MockitoExtension.class)
class MockitoAnnotationUnitTest {
@Mock
private List<String> mockedList;
@ -36,61 +40,61 @@ public class MockitoAnnotationUnitTest {
// tests
@Test
public void whenNotUseMockAnnotation_thenCorrect() {
final List<String> mockList = Mockito.mock(List.class);
void whenNotUseMockAnnotation_thenCorrect() {
final List<String> mockList = mock(List.class);
mockList.add("one");
Mockito.verify(mockList).add("one");
verify(mockList).add("one");
assertEquals(0, mockList.size());
Mockito.when(mockList.size()).thenReturn(100);
when(mockList.size()).thenReturn(100);
assertEquals(100, mockList.size());
}
@Test
public void whenUseMockAnnotation_thenMockIsInjected() {
void whenUseMockAnnotation_thenMockIsInjected() {
mockedList.add("one");
Mockito.verify(mockedList).add("one");
verify(mockedList).add("one");
assertEquals(0, mockedList.size());
Mockito.when(mockedList.size()).thenReturn(100);
when(mockedList.size()).thenReturn(100);
assertEquals(100, mockedList.size());
}
@Test
public void whenNotUseSpyAnnotation_thenCorrect() {
final List<String> spyList = Mockito.spy(new ArrayList<String>());
void whenNotUseSpyAnnotation_thenCorrect() {
final List<String> spyList = spy(new ArrayList<String>());
spyList.add("one");
spyList.add("two");
Mockito.verify(spyList).add("one");
Mockito.verify(spyList).add("two");
verify(spyList).add("one");
verify(spyList).add("two");
assertEquals(2, spyList.size());
Mockito.doReturn(100).when(spyList).size();
doReturn(100).when(spyList).size();
assertEquals(100, spyList.size());
}
@Test
public void whenUseSpyAnnotation_thenSpyIsInjectedCorrectly() {
void whenUseSpyAnnotation_thenSpyIsInjectedCorrectly() {
spiedList.add("one");
spiedList.add("two");
Mockito.verify(spiedList).add("one");
Mockito.verify(spiedList).add("two");
verify(spiedList).add("one");
verify(spiedList).add("two");
assertEquals(2, spiedList.size());
Mockito.doReturn(100).when(spiedList).size();
doReturn(100).when(spiedList).size();
assertEquals(100, spiedList.size());
}
@Test
public void whenNotUseCaptorAnnotation_thenCorrect() {
final List<String> mockList = Mockito.mock(List.class);
void whenNotUseCaptorAnnotation_thenCorrect() {
final List<String> mockList = mock(List.class);
final ArgumentCaptor<String> arg = ArgumentCaptor.forClass(String.class);
mockList.add("one");
Mockito.verify(mockList).add(arg.capture());
verify(mockList).add(arg.capture());
assertEquals("one", arg.getValue());
}
@ -100,9 +104,9 @@ public class MockitoAnnotationUnitTest {
ArgumentCaptor<String> argCaptor;
@Test
public void whenUseCaptorAnnotation_thenTheSame() {
void whenUseCaptorAnnotation_thenTheSame() {
mockedList.add("one");
Mockito.verify(mockedList).add(argCaptor.capture());
verify(mockedList).add(argCaptor.capture());
assertEquals("one", argCaptor.getValue());
}
@ -114,8 +118,8 @@ public class MockitoAnnotationUnitTest {
private MyDictionary dic = new MyDictionary();
@Test
public void whenUseInjectMocksAnnotation_thenCorrect() {
Mockito.when(wordMap.get("aWord")).thenReturn("aMeaning");
void whenUseInjectMocksAnnotation_thenCorrect() {
when(wordMap.get("aWord")).thenReturn("aMeaning");
assertEquals("aMeaning", dic.getMeaning("aWord"));
}

4
testing-modules/mockito-simple/src/test/java/com/baeldung/mockito/MockitoAnnotationsInitWithMockitoJUnitRuleUnitTest.java
View File

@ -6,11 +6,13 @@ import org.mockito.Mock;
import org.mockito.junit.MockitoJUnit;
import org.mockito.junit.MockitoRule;
import java.util.List;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.Mockito.when;
public class MockitoAnnotationsInitWithMockitoJUnitRuleUnitTest {
@Rule
@ -23,6 +25,6 @@ public class MockitoAnnotationsInitWithMockitoJUnitRuleUnitTest {
public void whenUsingMockitoJUnitRule_thenMocksInitialized() {
when(mockedList.size()).thenReturn(41);
assertThat(mockedList.size()).isEqualTo(41);
assertThat(mockedList).hasSize(41);
}
}

32
testing-modules/mockito-simple/src/test/java/com/baeldung/mockito/MockitoAnnotationsInjectIntoSpyUnitTest.java
View File

@ -1,22 +1,28 @@
package com.baeldung.mockito;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.junit.MockitoJUnitRunner;
import org.mockito.*;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.when;
import static org.mockito.MockitoAnnotations.openMocks;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;
import java.util.Map;
import static org.junit.Assert.assertEquals;
@RunWith(MockitoJUnitRunner.class)
public class MockitoAnnotationsInjectIntoSpyUnitTest {
@ExtendWith(MockitoExtension.class)
class MockitoAnnotationsInjectIntoSpyUnitTest {
@Before
@BeforeEach
public void init() {
MockitoAnnotations.openMocks(this);
spyDic = Mockito.spy(new MyDictionary(wordMap));
openMocks(this);
spyDic = spy(new MyDictionary(wordMap));
}
@Mock
@ -28,8 +34,8 @@ public class MockitoAnnotationsInjectIntoSpyUnitTest {
private MyDictionary spyDic;
@Test
public void whenUseInjectMocksAnnotation_thenCorrect() {
Mockito.when(wordMap.get("aWord")).thenReturn("aMeaning");
void whenUseInjectMocksAnnotation_thenCorrect() {
when(wordMap.get("aWord")).thenReturn("aMeaning");
assertEquals("aMeaning", spyDic.getMeaning("aWord"));
}

17
testing-modules/mockito-simple/src/test/java/com/baeldung/mockito/MockitoAnnotationsUninitializedUnitTest.java
View File

@ -1,18 +1,23 @@
package com.baeldung.mockito;
import org.junit.Test;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.mockito.Mockito.when;
import org.junit.jupiter.api.Test;
import org.mockito.Mock;
import org.mockito.Mockito;
import java.util.List;
public class MockitoAnnotationsUninitializedUnitTest {
class MockitoAnnotationsUninitializedUnitTest {
@Mock
List<String> mockedList;
@Test(expected = NullPointerException.class)
public void whenMockitoAnnotationsUninitialized_thenNPEThrown() {
Mockito.when(mockedList.size()).thenReturn(1);
@Test
void whenMockitoAnnotationsUninitialized_thenNPEThrown() {
assertThrows(NullPointerException.class, () -> {
when(mockedList.size()).thenReturn(1);
});
}
}

50
testing-modules/mockito-simple/src/test/java/com/baeldung/mockito/MockitoExceptionUnitTest.java
View File

@ -1,57 +1,71 @@
package com.baeldung.mockito;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.mockito.ArgumentMatchers.anyString;
import static org.mockito.Mockito.doThrow;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
import org.junit.Test;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.Mockito;
import org.mockito.junit.jupiter.MockitoExtension;
public class MockitoExceptionUnitTest {
@ExtendWith(MockitoExtension.class)
class MockitoExceptionUnitTest {
@Test(expected = NullPointerException.class)
public void whenConfigNonVoidRetunMethodToThrowEx_thenExIsThrown() {
@Test
void whenConfigNonVoidRetunMethodToThrowEx_thenExIsThrown() {
MyDictionary dictMock = mock(MyDictionary.class);
when(dictMock.getMeaning(anyString())).thenThrow(NullPointerException.class);
assertThrows(NullPointerException.class, () -> {
dictMock.getMeaning("word");
});
dictMock.getMeaning("word");
}
@Test(expected = IllegalStateException.class)
public void whenConfigVoidRetunMethodToThrowEx_thenExIsThrown() {
@Test
void whenConfigVoidRetunMethodToThrowEx_thenExIsThrown() {
MyDictionary dictMock = mock(MyDictionary.class);
doThrow(IllegalStateException.class).when(dictMock)
.add(anyString(), anyString());
assertThrows(IllegalStateException.class, () -> {
dictMock.add("word", "meaning");
});
dictMock.add("word", "meaning");
}
@Test(expected = NullPointerException.class)
public void whenConfigNonVoidRetunMethodToThrowExWithNewExObj_thenExIsThrown() {
@Test
void whenConfigNonVoidRetunMethodToThrowExWithNewExObj_thenExIsThrown() {
MyDictionary dictMock = mock(MyDictionary.class);
when(dictMock.getMeaning(anyString())).thenThrow(new NullPointerException("Error occurred"));
assertThrows(NullPointerException.class, () -> {
dictMock.getMeaning("word");
});
dictMock.getMeaning("word");
}
@Test(expected = IllegalStateException.class)
public void whenConfigVoidRetunMethodToThrowExWithNewExObj_thenExIsThrown() {
@Test
void whenConfigVoidRetunMethodToThrowExWithNewExObj_thenExIsThrown() {
MyDictionary dictMock = mock(MyDictionary.class);
doThrow(new IllegalStateException("Error occurred")).when(dictMock)
.add(anyString(), anyString());
assertThrows(IllegalStateException.class, () -> {
dictMock.add("word", "meaning");
});
dictMock.add("word", "meaning");
}
// =====
@Test(expected = NullPointerException.class)
public void givenSpy_whenConfigNonVoidRetunMethodToThrowEx_thenExIsThrown() {
@Test
void givenSpy_whenConfigNonVoidRetunMethodToThrowEx_thenExIsThrown() {
MyDictionary dict = new MyDictionary();
MyDictionary spy = Mockito.spy(dict);
when(spy.getMeaning(anyString())).thenThrow(NullPointerException.class);
spy.getMeaning("word");
assertThrows(NullPointerException.class, () -> {
spy.getMeaning("word");
});
}
}

12
testing-modules/mockito-simple/src/test/java/com/baeldung/mockito/MockitoMockUnitTest.java
View File

@ -10,16 +10,16 @@ import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import static org.mockito.Mockito.withSettings;
import org.junit.Test;
import org.junit.jupiter.api.Test;
import org.mockito.MockSettings;
import org.mockito.exceptions.verification.TooFewActualInvocations;
import org.mockito.invocation.InvocationOnMock;
import org.mockito.stubbing.Answer;
public class MockitoMockUnitTest {
class MockitoMockUnitTest {
@Test
public void whenUsingSimpleMock_thenCorrect() {
void whenUsingSimpleMock_thenCorrect() {
MyList listMock = mock(MyList.class);
when(listMock.add(anyString())).thenReturn(false);
boolean added = listMock.add(randomAlphabetic(6));
@ -29,7 +29,7 @@ public class MockitoMockUnitTest {
}
@Test
public void whenUsingMockWithName_thenCorrect() {
void whenUsingMockWithName_thenCorrect() {
MyList listMock = mock(MyList.class, "myMock");
when(listMock.add(anyString())).thenReturn(false);
listMock.add(randomAlphabetic(6));
@ -47,7 +47,7 @@ public class MockitoMockUnitTest {
}
@Test
public void whenUsingMockWithAnswer_thenCorrect() {
void whenUsingMockWithAnswer_thenCorrect() {
MyList listMock = mock(MyList.class, new CustomAnswer());
boolean added = listMock.add(randomAlphabetic(6));
@ -56,7 +56,7 @@ public class MockitoMockUnitTest {
}
@Test
public void whenUsingMockWithSettings_thenCorrect() {
void whenUsingMockWithSettings_thenCorrect() {
MockSettings customSettings = withSettings().defaultAnswer(new CustomAnswer());
MyList listMock = mock(MyList.class, customSettings);
boolean added = listMock.add(randomAlphabetic(6));

38
testing-modules/mockito-simple/src/test/java/com/baeldung/mockito/MockitoVerifyExamplesUnitTest.java
View File

@ -1,9 +1,11 @@
package com.baeldung.mockito;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.mockito.ArgumentMatchers.anyString;
import static org.mockito.Mockito.atLeast;
import static org.mockito.Mockito.atMost;
import static org.mockito.Mockito.inOrder;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.times;
@ -13,69 +15,71 @@ import static org.mockito.Mockito.verifyNoMoreInteractions;
import java.util.List;
import org.junit.Test;
import org.junit.jupiter.api.Test;
import org.mockito.ArgumentCaptor;
import org.mockito.InOrder;
import org.mockito.Mockito;
import org.mockito.exceptions.verification.NoInteractionsWanted;
import com.google.common.collect.Lists;
public class MockitoVerifyExamplesUnitTest {
class MockitoVerifyExamplesUnitTest {
// tests
@Test
public final void givenInteractionWithMockOccurred_whenVerifyingInteraction_thenCorrect() {
final void givenInteractionWithMockOccurred_whenVerifyingInteraction_thenCorrect() {
final List<String> mockedList = mock(MyList.class);
mockedList.size();
verify(mockedList).size();
}
@Test
public final void givenOneInteractionWithMockOccurred_whenVerifyingNumberOfInteractions_thenCorrect() {
final void givenOneInteractionWithMockOccurred_whenVerifyingNumberOfInteractions_thenCorrect() {
final List<String> mockedList = mock(MyList.class);
mockedList.size();
verify(mockedList, times(1)).size();
}
@Test
public final void givenNoInteractionWithMockOccurred_whenVerifyingInteractions_thenCorrect() {
final void givenNoInteractionWithMockOccurred_whenVerifyingInteractions_thenCorrect() {
final List<String> mockedList = mock(MyList.class);
verifyNoInteractions(mockedList);
}
@Test
public final void givenNoInteractionWithMethodOfMockOccurred_whenVerifyingInteractions_thenCorrect() {
final void givenNoInteractionWithMethodOfMockOccurred_whenVerifyingInteractions_thenCorrect() {
final List<String> mockedList = mock(MyList.class);
verify(mockedList, times(0)).size();
}
@Test(expected = NoInteractionsWanted.class)
public final void givenUnverifiedInteraction_whenVerifyingNoUnexpectedInteractions_thenFail() {
@Test
final void givenUnverifiedInteraction_whenVerifyingNoUnexpectedInteractions_thenFail() {
final List<String> mockedList = mock(MyList.class);
mockedList.size();
mockedList.clear();
verify(mockedList).size();
verifyNoMoreInteractions(mockedList);
assertThrows(NoInteractionsWanted.class, () -> {
verifyNoMoreInteractions(mockedList);
});
}
@Test
public final void whenVerifyingOrderOfInteractions_thenCorrect() {
final void whenVerifyingOrderOfInteractions_thenCorrect() {
final List<String> mockedList = mock(MyList.class);
mockedList.size();
mockedList.add("a parameter");
mockedList.clear();
final InOrder inOrder = Mockito.inOrder(mockedList);
final InOrder inOrder = inOrder(mockedList);
inOrder.verify(mockedList).size();
inOrder.verify(mockedList).add("a parameter");
inOrder.verify(mockedList).clear();
}
@Test
public final void whenVerifyingAnInteractionHasNotOccurred_thenCorrect() {
final void whenVerifyingAnInteractionHasNotOccurred_thenCorrect() {
final List<String> mockedList = mock(MyList.class);
mockedList.size();
@ -83,7 +87,7 @@ public class MockitoVerifyExamplesUnitTest {
}
@Test
public final void whenVerifyingAnInteractionHasOccurredAtLeastOnce_thenCorrect() {
final void whenVerifyingAnInteractionHasOccurredAtLeastOnce_thenCorrect() {
final List<String> mockedList = mock(MyList.class);
mockedList.clear();
mockedList.clear();
@ -96,7 +100,7 @@ public class MockitoVerifyExamplesUnitTest {
// with arguments
@Test
public final void whenVerifyingAnInteractionWithExactArgument_thenCorrect() {
final void whenVerifyingAnInteractionWithExactArgument_thenCorrect() {
final List<String> mockedList = mock(MyList.class);
mockedList.add("test");
@ -104,7 +108,7 @@ public class MockitoVerifyExamplesUnitTest {
}
@Test
public final void whenVerifyingAnInteractionWithAnyArgument_thenCorrect() {
final void whenVerifyingAnInteractionWithAnyArgument_thenCorrect() {
final List<String> mockedList = mock(MyList.class);
mockedList.add("test");
@ -112,7 +116,7 @@ public class MockitoVerifyExamplesUnitTest {
}
@Test
public final void whenVerifyingAnInteractionWithArgumentCapture_thenCorrect() {
final void whenVerifyingAnInteractionWithArgumentCapture_thenCorrect() {
final List<String> mockedList = mock(MyList.class);
mockedList.addAll(Lists.<String>newArrayList("someElement"));

91
testing-modules/mockito-simple/src/test/java/com/baeldung/mockito/MockitoWhenThenExamplesUnitTest.java
View File

@ -2,21 +2,24 @@ package com.baeldung.mockito;
import static org.apache.commons.lang3.RandomStringUtils.randomAlphabetic;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.mockito.ArgumentMatchers.anyInt;
import static org.mockito.ArgumentMatchers.anyString;
import static org.mockito.Mockito.doAnswer;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.doThrow;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.when;
import org.junit.Test;
import org.mockito.Mockito;
import org.junit.jupiter.api.Test;
public class MockitoWhenThenExamplesUnitTest {
class MockitoWhenThenExamplesUnitTest {
@Test
public final void whenMockReturnBehaviorIsConfigured_thenBehaviorIsVerified() {
final MyList listMock = Mockito.mock(MyList.class);
final void whenMockReturnBehaviorIsConfigured_thenBehaviorIsVerified() {
final MyList listMock = mock(MyList.class);
when(listMock.add(anyString())).thenReturn(false);
final boolean added = listMock.add(randomAlphabetic(6));
@ -24,67 +27,79 @@ public class MockitoWhenThenExamplesUnitTest {
}
@Test
public final void whenMockReturnBehaviorIsConfigured2_thenBehaviorIsVerified() {
final MyList listMock = Mockito.mock(MyList.class);
final void whenMockReturnBehaviorIsConfigured2_thenBehaviorIsVerified() {
final MyList listMock = mock(MyList.class);
doReturn(false).when(listMock).add(anyString());
final boolean added = listMock.add(randomAlphabetic(6));
assertThat(added).isFalse();
}
@Test(expected = IllegalStateException.class)
public final void givenMethodIsConfiguredToThrowException_whenCallingMethod_thenExceptionIsThrown() {
final MyList listMock = Mockito.mock(MyList.class);
@Test
final void givenMethodIsConfiguredToThrowException_whenCallingMethod_thenExceptionIsThrown() {
final MyList listMock = mock(MyList.class);
when(listMock.add(anyString())).thenThrow(IllegalStateException.class);
listMock.add(randomAlphabetic(6));
assertThrows(IllegalStateException.class, () -> {
listMock.add(randomAlphabetic(6));
});
}
@Test
public final void givenBehaviorIsConfiguredToThrowExceptionOnSecondCall_whenCallingOnlyOnce_thenNoExceptionIsThrown() {
final MyList listMock = Mockito.mock(MyList.class);
final void givenBehaviorIsConfiguredToThrowExceptionOnSecondCall_whenCallingOnlyOnce_thenNoExceptionIsThrown() {
final MyList listMock = mock(MyList.class);
when(listMock.add(anyString())).thenReturn(false).thenThrow(IllegalStateException.class);
listMock.add(randomAlphabetic(6));
}
@Test(expected = NullPointerException.class)
public final void whenMethodHasNoReturnType_whenConfiguringBehaviorOfMethod_thenPossible() {
final MyList listMock = Mockito.mock(MyList.class);
@Test
final void whenMethodHasNoReturnType_whenConfiguringBehaviorOfMethod_thenPossible() {
final MyList listMock = mock(MyList.class);
doThrow(NullPointerException.class).when(listMock).clear();
listMock.clear();
}
assertThrows(NullPointerException.class, () -> {
listMock.clear();
});
@Test(expected = IllegalStateException.class)
public final void givenBehaviorIsConfiguredToThrowExceptionOnSecondCall_whenCallingTwice_thenExceptionIsThrown() {
final MyList listMock = Mockito.mock(MyList.class);
when(listMock.add(anyString())).thenReturn(false).thenThrow(IllegalStateException.class);
listMock.add(randomAlphabetic(6));
listMock.add(randomAlphabetic(6));
}
@Test(expected = NullPointerException.class)
public final void givenSpy_whenConfiguringBehaviorOfSpy_thenCorrectlyConfigured() {
final MyList instance = new MyList();
final MyList spy = Mockito.spy(instance);
doThrow(NullPointerException.class).when(spy).size();
spy.size();
}
@Test
public final void whenMockMethodCallIsConfiguredToCallTheRealMethod_thenRealMethodIsCalled() {
final MyList listMock = Mockito.mock(MyList.class);
final void givenBehaviorIsConfiguredToThrowExceptionOnSecondCall_whenCallingTwice_thenExceptionIsThrown() {
final MyList listMock = mock(MyList.class);
when(listMock.add(anyString())).thenReturn(false).thenThrow(IllegalStateException.class);
assertThrows(IllegalStateException.class, () -> {
listMock.add(randomAlphabetic(6));
listMock.add(randomAlphabetic(6));
});
}
@Test
final void givenSpy_whenConfiguringBehaviorOfSpy_thenCorrectlyConfigured() {
final MyList instance = new MyList();
final MyList spy = spy(instance);
doThrow(NullPointerException.class).when(spy).size();
assertThrows(NullPointerException.class, () -> {
spy.size();
});
}
@Test
final void whenMockMethodCallIsConfiguredToCallTheRealMethod_thenRealMethodIsCalled() {
final MyList listMock = mock(MyList.class);
when(listMock.size()).thenCallRealMethod();
assertThat(listMock).hasSize(1);
}
@Test
public final void whenMockMethodCallIsConfiguredWithCustomAnswer_thenRealMethodIsCalled() {
final MyList listMock = Mockito.mock(MyList.class);
final void whenMockMethodCallIsConfiguredWithCustomAnswer_thenRealMethodIsCalled() {
final MyList listMock = mock(MyList.class);
doAnswer(invocation -> "Always the same").when(listMock).get(anyInt());
final String element = listMock.get(1);

42
testing-modules/mockito-simple/src/test/java/com/baeldung/mockito/argumentcaptor/EmailServiceUnitTest.java
View File

@ -3,18 +3,20 @@ package com.baeldung.mockito.argumentcaptor;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.ArgumentCaptor;
import org.mockito.Captor;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.junit.MockitoJUnitRunner;
import org.mockito.junit.jupiter.MockitoExtension;
@RunWith(MockitoJUnitRunner.class)
public class EmailServiceUnitTest {
@ExtendWith(MockitoExtension.class)
class EmailServiceUnitTest {
@Mock
DeliveryPlatform platform;
@ -29,34 +31,34 @@ public class EmailServiceUnitTest {
ArgumentCaptor<Credentials> credentialsCaptor;
@Test
public void whenDoesNotSupportHtml_expectTextOnlyEmailFormat() {
void whenDoesNotSupportHtml_expectTextOnlyEmailFormat() {
String to = "info@baeldung.com";
String subject = "Using ArgumentCaptor";
String body = "Hey, let'use ArgumentCaptor";
emailService.send(to, subject, body, false);
Mockito.verify(platform).deliver(emailCaptor.capture());
verify(platform).deliver(emailCaptor.capture());
Email emailCaptorValue = emailCaptor.getValue();
assertThat(emailCaptorValue.getFormat()).isEqualTo(Format.TEXT_ONLY);
}
@Test
public void whenDoesSupportHtml_expectHTMLEmailFormat() {
void whenDoesSupportHtml_expectHTMLEmailFormat() {
String to = "info@baeldung.com";
String subject = "Using ArgumentCaptor";
String body = "<html><body>Hey, let'use ArgumentCaptor</body></html>";
emailService.send(to, subject, body, true);
Mockito.verify(platform).deliver(emailCaptor.capture());
verify(platform).deliver(emailCaptor.capture());
Email value = emailCaptor.getValue();
assertThat(value.getFormat()).isEqualTo(Format.HTML);
}
@Test
public void whenServiceRunning_expectUpResponse() {
Mockito.when(platform.getServiceStatus()).thenReturn("OK");
void whenServiceRunning_expectUpResponse() {
when(platform.getServiceStatus()).thenReturn("OK");
ServiceStatus serviceStatus = emailService.checkServiceStatus();
@ -64,8 +66,8 @@ public class EmailServiceUnitTest {
}
@Test
public void whenServiceNotRunning_expectDownResponse() {
Mockito.when(platform.getServiceStatus()).thenReturn("Error");
void whenServiceNotRunning_expectDownResponse() {
when(platform.getServiceStatus()).thenReturn("Error");
ServiceStatus serviceStatus = emailService.checkServiceStatus();
@ -73,26 +75,26 @@ public class EmailServiceUnitTest {
}
@Test
public void whenUsingArgumentMatcherForValidCredentials_expectTrue() {
void whenUsingArgumentMatcherForValidCredentials_expectTrue() {
Credentials credentials = new Credentials("baeldung", "correct_password", "correct_key");
Mockito.when(platform.authenticate(Mockito.eq(credentials))).thenReturn(AuthenticationStatus.AUTHENTICATED);
when(platform.authenticate(eq(credentials))).thenReturn(AuthenticationStatus.AUTHENTICATED);
assertTrue(emailService.authenticatedSuccessfully(credentials));
}
@Test
public void whenUsingArgumentCaptorForValidCredentials_expectTrue() {
void whenUsingArgumentCaptorForValidCredentials_expectTrue() {
Credentials credentials = new Credentials("baeldung", "correct_password", "correct_key");
Mockito.when(platform.authenticate(credentialsCaptor.capture())).thenReturn(AuthenticationStatus.AUTHENTICATED);
when(platform.authenticate(credentialsCaptor.capture())).thenReturn(AuthenticationStatus.AUTHENTICATED);
assertTrue(emailService.authenticatedSuccessfully(credentials));
assertThat(credentialsCaptor.getValue()).isEqualTo(credentials);
}
@Test
public void whenNotAuthenticated_expectFalse() {
void whenNotAuthenticated_expectFalse() {
Credentials credentials = new Credentials("baeldung", "incorrect_password", "incorrect_key");
Mockito.when(platform.authenticate(Mockito.eq(credentials))).thenReturn(AuthenticationStatus.NOT_AUTHENTICATED);
when(platform.authenticate(eq(credentials))).thenReturn(AuthenticationStatus.NOT_AUTHENTICATED);
assertFalse(emailService.authenticatedSuccessfully(credentials));
}

6
testing-modules/mockito-simple/src/test/java/com/baeldung/mockito/mockedstatic/MockedStaticUnitTest.java
View File

@ -2,9 +2,9 @@ package com.baeldung.mockito.mockedstatic;
import org.junit.jupiter.api.Test;
import org.mockito.MockedStatic;
import org.mockito.Mockito;
import static org.assertj.core.api.Assertions.*;
import static org.mockito.Mockito.mockStatic;
import java.util.Arrays;
@ -14,7 +14,7 @@ class MockedStaticUnitTest {
void givenStaticMethodWithNoArgs_whenMocked_thenReturnsMockSuccessfully() {
assertThat(StaticUtils.name()).isEqualTo("Baeldung");
try (MockedStatic<StaticUtils> utilities = Mockito.mockStatic(StaticUtils.class)) {
try (MockedStatic<StaticUtils> utilities = mockStatic(StaticUtils.class)) {
utilities.when(StaticUtils::name).thenReturn("Eugen");
assertThat(StaticUtils.name()).isEqualTo("Eugen");
}
@ -26,7 +26,7 @@ class MockedStaticUnitTest {
void givenStaticMethodWithArgs_whenMocked_thenReturnsMockSuccessfully() {
assertThat(StaticUtils.range(2, 6)).containsExactly(2, 3, 4, 5);
try (MockedStatic<StaticUtils> utilities = Mockito.mockStatic(StaticUtils.class)) {
try (MockedStatic<StaticUtils> utilities = mockStatic(StaticUtils.class)) {
utilities.when(() -> StaticUtils.range(2, 6))
.thenReturn(Arrays.asList(10, 11, 12));

17
testing-modules/mockito-simple/src/test/java/com/baeldung/mockito/spy/MockitoMisusingMockOrSpyUnitTest.java
View File

@ -2,29 +2,30 @@ package com.baeldung.mockito.spy;
import static org.assertj.core.api.Assertions.assertThatNoException;
import static org.assertj.core.api.Assertions.assertThatThrownBy;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.spy;
import java.util.ArrayList;
import java.util.List;
import org.junit.Test;
import org.mockito.Mockito;
import org.junit.jupiter.api.Test;
import org.mockito.exceptions.misusing.NotAMockException;
public class MockitoMisusingMockOrSpyUnitTest {
class MockitoMisusingMockOrSpyUnitTest {
@Test
public void givenNotASpy_whenDoReturn_thenThrowNotAMock() {
void givenNotASpy_whenDoReturn_thenThrowNotAMock() {
List<String> list = new ArrayList<String>();
assertThatThrownBy(() -> Mockito.doReturn(100).when(list).size())
assertThatThrownBy(() -> doReturn(100).when(list).size())
.isInstanceOf(NotAMockException.class)
.hasMessageContaining("Argument passed to when() is not a mock!");
}
@Test
public void givenASpy_whenDoReturn_thenNoError() {
final List<String> spyList = Mockito.spy(new ArrayList<>());
void givenASpy_whenDoReturn_thenNoError() {
final List<String> spyList = spy(new ArrayList<>());
assertThatNoException().isThrownBy(() -> Mockito.doReturn(100).when(spyList).size());
assertThatNoException().isThrownBy(() -> doReturn(100).when(spyList).size());
}
}

47
testing-modules/mockito-simple/src/test/java/com/baeldung/mockito/spy/MockitoSpyUnitTest.java
View File

@ -1,30 +1,33 @@
package com.baeldung.mockito.spy;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.Assert.assertEquals;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.verify;
import java.util.ArrayList;
import java.util.List;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mockito;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.Spy;
import org.mockito.junit.MockitoJUnitRunner;
import org.mockito.junit.jupiter.MockitoExtension;
@RunWith(MockitoJUnitRunner.class)
@ExtendWith(MockitoExtension.class)
public class MockitoSpyUnitTest {
@Test
public void whenSpyingOnList_thenCorrect() {
void whenSpyingOnList_thenCorrect() {
final List<String> list = new ArrayList<String>();
final List<String> spyList = Mockito.spy(list);
final List<String> spyList = spy(list);
spyList.add("one");
spyList.add("two");
Mockito.verify(spyList).add("one");
Mockito.verify(spyList).add("two");
verify(spyList).add("one");
verify(spyList).add("two");
assertThat(spyList).hasSize(2);
}
@ -33,43 +36,43 @@ public class MockitoSpyUnitTest {
private List<String> aSpyList = new ArrayList<String>();
@Test
public void whenUsingTheSpyAnnotation_thenObjectIsSpied() {
void whenUsingTheSpyAnnotation_thenObjectIsSpied() {
aSpyList.add("one");
aSpyList.add("two");
Mockito.verify(aSpyList).add("one");
Mockito.verify(aSpyList).add("two");
verify(aSpyList).add("one");
verify(aSpyList).add("two");
assertThat(aSpyList).hasSize(2);
}
@Test
public void whenStubASpy_thenStubbed() {
void whenStubASpy_thenStubbed() {
final List<String> list = new ArrayList<String>();
final List<String> spyList = Mockito.spy(list);
final List<String> spyList = spy(list);
assertEquals(0, spyList.size());
Mockito.doReturn(100).when(spyList).size();
doReturn(100).when(spyList).size();
assertThat(spyList).hasSize(100);
}
@Test
public void whenCreateMock_thenCreated() {
final List<String> mockedList = Mockito.mock(ArrayList.class);
void whenCreateMock_thenCreated() {
final List<String> mockedList = mock(ArrayList.class);
mockedList.add("one");
Mockito.verify(mockedList).add("one");
verify(mockedList).add("one");
assertThat(mockedList).hasSize(0);
}
@Test
public void whenCreateSpy_thenCreate() {
final List<String> spyList = Mockito.spy(new ArrayList<>());
void whenCreateSpy_thenCreate() {
final List<String> spyList = spy(new ArrayList<>());
spyList.add("one");
Mockito.verify(spyList).add("one");
verify(spyList).add("one");
assertThat(spyList).hasSize(1);
}

30
testing-modules/mockito-simple/src/test/java/com/baeldung/mockito/voidmethods/MockitoVoidMethodsUnitTest.java
View File

@ -1,6 +1,8 @@
package com.baeldung.mockito.voidmethods;
import static org.junit.Assert.assertEquals;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.isA;
import static org.mockito.ArgumentMatchers.isNull;
@ -12,34 +14,36 @@ import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.ArgumentCaptor;
import org.mockito.junit.MockitoJUnitRunner;
import org.mockito.junit.jupiter.MockitoExtension;
import com.baeldung.mockito.MyList;
@RunWith(MockitoJUnitRunner.class)
public class MockitoVoidMethodsUnitTest {
@ExtendWith(MockitoExtension.class)
class MockitoVoidMethodsUnitTest {
@Test
public void whenAddCalledVerified() {
void whenAddCalledVerified() {
MyList myList = mock(MyList.class);
myList.add(0, "");
verify(myList, times(1)).add(0, "");
}
@Test(expected = Exception.class)
public void givenNull_addThrows() {
@Test
void givenNull_addThrows() {
MyList myList = mock(MyList.class);
doThrow().when(myList).add(isA(Integer.class), isNull());
assertThrows(Exception.class, () -> {
doThrow().when(myList).add(isA(Integer.class), isNull());
});
myList.add(0, null);
}
@Test
public void whenAddCalledValueCaptured() {
void whenAddCalledValueCaptured() {
MyList myList = mock(MyList.class);
ArgumentCaptor<String> valueCapture = ArgumentCaptor.forClass(String.class);
doNothing().when(myList).add(any(Integer.class), valueCapture.capture());
@ -49,7 +53,7 @@ public class MockitoVoidMethodsUnitTest {
}
@Test
public void whenAddCalledAnswered() {
void whenAddCalledAnswered() {
MyList myList = mock(MyList.class);
doAnswer(invocation -> {
Object arg0 = invocation.getArgument(0);
@ -64,7 +68,7 @@ public class MockitoVoidMethodsUnitTest {
}
@Test
public void whenAddCalledRealMethodCalled() {
void whenAddCalledRealMethodCalled() {
MyList myList = mock(MyList.class);
doCallRealMethod().when(myList).add(any(Integer.class), any(String.class));
myList.add(1, "real");