How to use MockitoExtension method of org.mockito.junit.jupiter.MockitoExtension class

Best Mockito code snippet using org.mockito.junit.jupiter.MockitoExtension.MockitoExtension

Source:MockitoAnnotatedObjectsShouldBeInitialized.java Github

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...21import org.mockito.Spy;22import org.mockito.junit.MockitoJUnit;23import org.mockito.junit.MockitoJUnitRunner;24import org.mockito.junit.MockitoRule;25import org.mockito.junit.jupiter.MockitoExtension;26import org.mockito.junit.jupiter.MockitoSettings;27import org.mockito.quality.Strictness;28public class MockitoAnnotatedObjectsShouldBeInitialized {29 class MixedNonCompliant {30 @Mock // Noncompliant {{Initialize mocks before using them.}}31 private Bar bar;32 @Spy // Issue is only reported on the first annotation33 private Baz baz;34 @InjectMocks // Issue is only reported on the first annotation35 private Foo fooUnderTest;36 @Test37 void someTest() {38 // test something ...39 }40 }41 @RunWith(EmptyRunner.class)42 public class RunWithBadParameter {43 @Mock // Compliant FN is a runner that does not initialize anything44 private Bar bar;45 }46 @RunWith(Runner.class)47 public class RunWithAbstractRunner {48 @Mock // Compliant FN is a runner that but not a concrete one49 private Bar bar;50 }51 @Nullable52 public class IrrelevantAnnotationOnClass {53 @Mock // Noncompliant54 private Bar bar;55 }56 @RunWith(MockitoJUnitRunner.class)57 public class JUnit4AnnotatedTest {58 @Mock // Compliant59 private Bar bar;60 }61 @ExtendWith(EmptyExtension.class)62 public class ExtendWithEmptyParameter {63 @Mock // Compliant FN is an extension that does not initialize anything64 private Bar bar;65 }66 @ExtendWith(Extension.class)67 public class ExtendWithAbstractExtension {68 @Mock // Compliant FN use the base interface69 private Bar bar;70 }71 @ExtendWith(MockitoExtension.class)72 public class JUnit5AnnotatedTest {73 @Mock // Compliant74 private Bar bar;75 }76 public class UntaggedRule {77 public MockitoRule rule = MockitoJUnit.rule();78 @Mock // Noncompliant {{Initialize mocks before using them.}}79 private Bar bar;80 }81 public class UninitializedRule {82 @Rule83 public MockitoRule rule;84 @Mock // Noncompliant {{Initialize mocks before using them.}}85 private Bar bar;86 }87 public class NullInitializedRule {88 @Rule89 public MockitoRule rule = null;90 @Mock // Noncompliant {{Initialize mocks before using them.}}91 private Bar bar;92 }93 public class PoorlyInitializedRule {94 @Rule95 public MockitoRule rule = FakeRule.returnNull();96 @Mock // Noncompliant {{Initialize mocks before using them.}}97 private Bar bar;98 }99 public class FakeRuleInitialization {100 @Rule101 public MockitoRule rule = FakeRule.rule();102 @Mock // Noncompliant {{Initialize mocks before using them.}}103 private Bar bar;104 }105 public class FooTest2 {106 @Rule107 public MockitoRule rule = MockitoJUnit.rule();108 @Mock // Compliant109 private Bar bar;110 }111 public class InheritedRuleProviderInitialization {112 @Rule113 public MockitoRule rule = InheritedRuleProvider.rule();114 @Mock // Compliant115 private Bar bar;116 }117 public class MockitoRuleWithTheStrictness {118 @Rule119 public MockitoRule mockitoRule = MockitoJUnit.rule().strictness(Strictness.STRICT_STUBS);120 @Mock // Compliant121 private Bar bar;122 @Test123 public void someTest() {124 // ...125 }126 }127 public class MockitoRuleWrongStaticMethod {128 @Rule129 public MockitoRule rule = foo();130 @Mock // Noncompliant {{Initialize mocks before using them.}}131 private Bar bar;132 private MockitoRule foo() { return null; }133 }134 public class UntaggedSetup {135 @Mock // Noncompliant {{Initialize mocks before using them.}}136 private Bar bar;137 void setUp() {138 MockitoAnnotations.initMocks(this);139 }140 }141 public class SetupWithoutInitMocks {142 @Mock // Noncompliant {{Initialize mocks before using them.}}143 private Bar bar;144 @BeforeEach145 void setUp() {146 System.out.println("No call to initMocks");147 }148 }149 public class EmptySetup {150 @Mock // Noncompliant {{Initialize mocks before using them.}}151 private Bar bar;152 @BeforeEach153 void setUp() {154 }155 }156 public class SetupJunit4 {157 @Mock // compliant158 private Bar bar;159 @Before160 void setUp() {161 MockitoAnnotations.initMocks(this);162 }163 }164 public class SetupJUnit5 {165 @Mock // Compliant166 private Bar bar;167 @BeforeEach168 void setUp() {169 MockitoAnnotations.openMocks(this);170 }171 }172 public class SetupMix {173 @Mock // Compliant174 private Bar bar;175 @BeforeEach176 void setUp() {177 MockitoAnnotations.initMocks(this);178 }179 }180 class SetupInBaseClass {181 @BeforeEach182 void baseSetUp() {183 MockitoAnnotations.initMocks(this);184 }185 }186 class MockInChild extends SetupInBaseClass {187 @Mock // Compliant188 private Bar bar;189 }190 class NoSetup {191 }192 class MockInGrandChild extends NoSetup {193 @Mock // Compliant FN Super classes are not explored194 private Bar bar;195 }196 @ExtendWith(MockitoExtension.class)197 public class Nesting {198 @org.junit.jupiter.api.Nested199 public class Nested {200 @Mock201 private Bar bar;202 }203 public class NestedAsWell {204 @Mock // Noncompliant205 private Bar bar;206 @org.junit.jupiter.api.Nested207 public class NestedFurther {208 @Mock209 private Bar bar;210 }211 }212 }213 @RunWith(MockitoJUnitRunner.class)214 public class NestingWithWrongAnnotation {215 @Nested216 public class NestedButNotAnnotated {217 @Mock // Noncompliant218 private Bar bar;219 }220 public class NestedAsWellButAnnotated {221 @Nested222 public class NestedFurther {223 @Mock // Noncompliant224 private Bar bar;225 }226 }227 }228 public class NestingButNotAnnotated {229 public class NestedButNotAnnotated {230 @Mock // Noncompliant231 private Bar bar;232 }233 @ExtendWith(MockitoExtension.class)234 public class NestedAsWellButAnnotated {235 @org.junit.jupiter.api.Nested236 public class NestedFurther {237 @Mock238 private Bar bar;239 }240 }241 }242 private class Bar {243 }244 private class Baz {245 }246 private class Foo {247 }248 private static class EmptyRunner extends org.junit.runner.Runner {249 @Override250 public Description getDescription() {251 return null;252 }253 @Override254 public void run(RunNotifier runNotifier) {255 }256 }257 private static class EmptyExtension implements Extension {258 }259 private static class InheritedRuleProvider extends MockitoJUnit {260 }261 private static class FakeRule {262 static MockitoRule rule() {263 return null;264 }265 static MockitoRule returnNull() {266 return null;267 }268 }269 // Meta annotations270 @ExtendWith(MockitoExtension.class)271 public @interface SetupItTest272 {273 }274 @SetupItTest275 class SetUpViaMetaAnnotation {276 @Captor277 private ArgumentCaptor<String> someCaptor; // Compliant, ExtendWith setup via meta annotation278 }279 @MockitoSettings280 class SetUpViaMockitoSettings {281 @Captor private ArgumentCaptor<String> someCaptor; // Compliant, MockitoSettings is a meta annotation containing @ExtendWith({MockitoExtension.class})282 }283 @LoopB284 public @interface LoopA285 {286 }287 @LoopC288 public @interface LoopB289 {290 }291 @LoopA292 public @interface LoopC293 {294 }295 @LoopA296 class LoopInAnnotation {297 @Captor private ArgumentCaptor<String> someCaptor; // Noncompliant298 }299 // Meta annotations300 public @interface UnRelatedAnnotation301 {302 }303 @UnRelatedAnnotation304 @ExtendWith(MockitoExtension.class)305 class WithUnrelatedAnnotation1 {306 @Captor private ArgumentCaptor<String> someCaptor; // Compliant307 }308 @ExtendWith(MockitoExtension.class)309 @UnRelatedAnnotation310 class WithUnrelatedAnnotation2 {311 @Captor private ArgumentCaptor<String> someCaptor; // Compliant312 }313}...

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Source:MockitoExtension.java Github

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...29 *30 * Example usage:31 *32 * <pre class="code"><code class="java">33 * <b>&#064;ExtendWith(MockitoExtension.class)</b>34 * public class ExampleTest {35 *36 * &#064;Mock37 * private List&lt;Integer&gt; list;38 *39 * &#064;Test40 * public void shouldDoSomething() {41 * list.add(100);42 * }43 * }44 * </code></pre>45 *46 * If you would like to configure the used strictness for the test class, use {@link MockitoSettings}.47 *48 * <pre class="code"><code class="java">49 * <b>&#064;MockitoSettings(strictness = Strictness.STRICT_STUBS)</b>50 * public class ExampleTest {51 *52 * &#064;Mock53 * private List&lt;Integer&gt; list;54 *55 * &#064;Test56 * public void shouldDoSomething() {57 * list.add(100);58 * }59 * }60 * </code></pre>61 *62 * This extension also supports JUnit Jupiter's method parameters.63 * Use parameters for initialization of mocks that you use only in that specific test method.64 * In other words, where you would initialize local mocks in JUnit 4 by calling {@link Mockito#mock(Class)},65 * use the method parameter. This is especially beneficial when initializing a mock with generics, as you no66 * longer get a warning about "Unchecked assignment".67 * Please refer to JUnit Jupiter's documentation to learn when method parameters are useful.68 *69 * <pre class="code"><code class="java">70 * <b>&#064;ExtendWith(MockitoExtension.class)</b>71 * public class ExampleTest {72 *73 * &#064;Mock74 * private List&lt;Integer&gt; sharedList;75 *76 * &#064;Test77 * public void shouldDoSomething() {78 * sharedList.add(100);79 * }80 *81 * &#064;Test82 * public void hasLocalMockInThisTest(@Mock List&lt;Integer&gt; localList) {83 * localList.add(100);84 * sharedList.add(100);85 * }86 * }87 * </code></pre>88 *89 * Lastly, the extension supports JUnit Jupiter's constructor parameters.90 * This allows you to do setup work in the constructor and set91 * your fields to <code>final</code>.92 * Please refer to JUnit Jupiter's documentation to learn when constructor parameters are useful.93 *94 * <pre class="code"><code class="java">95 * <b>&#064;ExtendWith(MockitoExtension.class)</b>96 * public class ExampleTest {97 *98 * private final List&lt;Integer&gt; sharedList;99 *100 * ExampleTest(&#064;Mock sharedList) {101 * this.sharedList = sharedList;102 * }103 *104 * &#064;Test105 * public void shouldDoSomething() {106 * sharedList.add(100);107 * }108 * }109 * </code></pre>110 */111public class MockitoExtension implements TestInstancePostProcessor,BeforeEachCallback, AfterEachCallback, ParameterResolver {112 private final static Namespace MOCKITO = create("org.mockito");113 private final static String SESSION = "session";114 private final static String TEST_INSTANCE = "testInstance";115 private final Strictness strictness;116 // This constructor is invoked by JUnit Jupiter via reflection or ServiceLoader117 @SuppressWarnings("unused")118 public MockitoExtension() {119 this(Strictness.STRICT_STUBS);120 }121 private MockitoExtension(Strictness strictness) {122 this.strictness = strictness;123 }124 /**125 * <p>Callback for post-processing the supplied test instance.126 *127 * <p><strong>Note</strong>: the {@code ExtensionContext} supplied to a128 * {@code TestInstancePostProcessor} will always return an empty129 * {@link Optional} value from {@link ExtensionContext#getTestInstance()130 * getTestInstance()}. A {@code TestInstancePostProcessor} should therefore131 * only attempt to process the supplied {@code testInstance}.132 *133 * @param testInstance the instance to post-process; never {@code null}134 * @param context the current extension context; never {@code null}135 */...

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Source:RestaurantTest.java Github

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...4import org.junit.jupiter.api.Test;5import org.junit.jupiter.api.extension.ExtendWith;6import org.mockito.Mock;7import org.mockito.MockitoAnnotations;8import org.mockito.junit.jupiter.MockitoExtension;9import static org.junit.jupiter.api.Assertions.*;10@ExtendWith(MockitoExtension.class)11class RestaurantTest {12 @Mock13 Restaurant mock;14 @BeforeEach15 void setup() {16 MockitoAnnotations.initMocks(this);17 mock = new Restaurant();18 }19 @DisplayName("Pub - Sub 구독 테스트")20 @Test21 void test_subscribe() {22 mock.subscribe();23 }24}...

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MockitoExtension

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1import org.junit.jupiter.api.Test;2import org.junit.jupiter.api.extension.ExtendWith;3import org.mockito.junit.jupiter.MockitoExtension;4import org.mockito.junit.jupiter.MockitoSettings;5import org.mockito.quality.Strictness;6@ExtendWith(MockitoExtension.class)7@MockitoSettings(strictness = Strictness.LENIENT)8public class MockitoExtensionTest {9 public void testMockitoExtension() {10 }11}

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MockitoExtension

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1import org.junit.jupiter.api.Test;2import org.junit.jupiter.api.extension.ExtendWith;3import org.mockito.Mock;4import org.mockito.junit.jupiter.MockitoExtension;5import static org.junit.jupiter.api.Assertions.assertEquals;6import static org.mockito.Mockito.when;7@ExtendWith(MockitoExtension.class)8public class MockitoExtensionTest {9 private MyService myService;10 public void testMockitoExtension() {11 when(myService.getName()).thenReturn("Mockito");12 assertEquals("Mockito", myService.getName());13 }14}

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MockitoExtension

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1import org.junit.jupiter.api.Test;2import org.junit.jupiter.api.extension.ExtendWith;3import org.mockito.junit.jupiter.MockitoExtension;4import static org.junit.jupiter.api.Assertions.assertEquals;5import static org.mockito.Mockito.mock;6import static org.mockito.Mockito.when;7@ExtendWith(MockitoExtension.class)8class 1Test {9 void testMock() {10 1 mock = mock(1.class);11 when(mock.getUniqueId()).thenReturn(43);12 assertEquals(mock.getUniqueId(), 43);13 }14}15at org.junit.jupiter.engine.execution.ExecutableInvoker.resolveParameter(ExecutableInvoker.java:200)16at org.junit.jupiter.engine.execution.ExecutableInvoker.resolveParameters(ExecutableInvoker.java:183)17at org.junit.jupiter.engine.execution.ExecutableInvoker.invoke(ExecutableInvoker.java:74)18at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.invokeTestClassConstructor(ClassBasedTestDescriptor.java:342)19at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.instantiateTestClass(ClassBasedTestDescriptor.java:289)20at org.junit.jupiter.engine.descriptor.ClassTestDescriptor.instantiateTestClass(ClassTestDescriptor.java:79)21at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.instantiateAndPostProcessTestInstance(ClassBasedTestDescriptor.java:267)22at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$testInstancesProvider$2(ClassBasedTestDescriptor.java:259)23at java.util.Optional.orElseGet(Optional.java:267)24at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$testInstancesProvider$3(ClassBasedTestDescriptor.java:258)25at org.junit.jupiter.engine.execution.TestInstancesProvider.getTestInstances(TestInstancesProvider.java:31)26at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$prepare$0(TestMethodTestDescriptor.java:101)27at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)28at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.prepare(TestMethodTestDescriptor.java:100)29at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.prepare(TestMethodTestDescriptor.java:65)30at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$prepare$1(NodeTestTask.java:111)31at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)

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MockitoExtension

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1import org.junit.jupiter.api.Test;2import org.junit.jupiter.api.extension.ExtendWith;3import org.mockito.Mock;4import org.mockito.junit.jupiter.MockitoExtension;5import static org.junit.jupiter.api.Assertions.assertEquals;6import static org.mockito.Mockito.when;7@ExtendWith(MockitoExtension.class)8public class MockitoExtensionTest {9 private MyService myService;10 public void testMockitoExtension() {11 when(myService.getName()).thenReturn("Mockito");12 assertEquals("Mockito", myService.getName());13 }14}

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MockitoExtension

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1import org.junit.jupiter.api.Test;2import org.junit.jupiter.api.extension.ExtendWith;3import org.mockito.junit.jupiter.MockitoExtension;4import static org.junit.jupiter.api.Assertions.assertEquals;5import static org.mockito.Mockito.mock;6import static org.mockito.Mockito.when;7@ExtendWith(MockitoExtension.class)8class 1Test {9 void testMock() {10 1 mock = mock(1.class);11 when(mock.getUniqueId()).thenReturn(43);12 assertEquals(mock.getUniqueId(), 43);13 }14}15at org.junit.jupiter.engine.execution.ExecutableInvoker.resolveParameter(ExecutableInvoker.java:200)16at org.junit.jupiter.engine.execution.ExecutableInvoker.resolveParameters(ExecutableInvoker.java:183)17at org.junit.jupiter.engine.execution.ExecutableInvoker.invoke(ExecutableInvoker.java:74)18at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.invokeTestClassConstructor(ClassBasedTestDescriptor.java:342)19at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.instantiateTestClass(ClassBasedTestDescriptor.java:289)20at org.junit.jupiter.engine.descriptor.ClassTestDescriptor.instantiateTestClass(ClassTestDescriptor.java:79)21at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.instantiateAndPostProcessTestInstance(ClassBasedTestDescriptor.java:267)22at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$testInstancesProvider$2(ClassBasedTestDescriptor.java:259)23at java.util.Optional.orElseGet(Optional.java:267)24at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$testInstancesProvider$3(ClassBasedTestDescriptor.java:258)25at org.junit.jupiter.engine.execution.TestInstancesProvider.getTestInstances(TestInstancesProvider.java:31)26at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$prepare$0(TestMethodTestDescriptor.java:101)27at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)28at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.prepare(TestMethodTestDescriptor.java:100)29at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.prepare(TestMethodTestDescriptor.java:65)30at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$prepare$1(NodeTestTask.java:111)31at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)

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MockitoExtension

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1package com.example;2import org.junit.jupiter.api.Test;3import org.junit.jupiter.api.extension.ExtendWith;4import org.mockito.InjectMocks;5import org.mockito.Mock;6import org.mockito.junit.jupiter.MockitoExtension;7import static org.junit.jupiter.api.Assertions.assertEquals;8import static org.mockito.Mockito.when;9@ExtendWith(MockitoExtension.class)10public class MockitoExtensionTest {11 private Dependency dependency;12 private SystemUnderTest systemUnderTest;13 void test() {14 when(dependency.giveData()).thenReturn(new int[] {1, 2, 3});15 assertEquals(6, systemUnderTest.methodUsingAnArrayListConstructor());16 }17}18package com.example;19import org.junit.jupiter.api.Test;20import org.junit.jupiter.api.extension.ExtendWith;21import org.mockito.InjectMocks;22import org.mockito.Mock;23import org.mockito.junit.jupiter.MockitoExtension;24import static org.junit.jupiter.api.Assertions.assertEquals;25import static org.mockito.Mockito.when;26@ExtendWith(MockitoExtension.class)27public class MockitoExtensionTest {28 private Dependency dependency;29 private SystemUnderTest systemUnderTest;30 void test() {31 when(dependency.giveData()).thenReturn(new int[] {1, 2, 3});32 assertEquals(6, systemUnderTest.methodUsingAnArrayListConstructor());33 }34}35package com.example;36import org.junit.jupiter.api.Test;37import org.junit.jupiter.api.extension.ExtendWith;38import org.mockito.InjectMocks;39import org.mockito.Mock;40import org.mockito.junit.jupiter.MockitoExtension;41import static org.junit.jupiter.api.Assertions.assertEquals;42import static org.mockito.Mockito.when;43@ExtendWith(MockitoExtension.class)44public class MockitoExtensionTest {45 private Dependency dependency;46 private SystemUnderTest systemUnderTest;47 void test() {48 when(dependency.giveData()).thenReturn(new int[] {1, 2, 3});49 assertEquals(6, systemUnderTest.methodUsingAnArrayListConstructor());50 }51}52package com.example;53import org.junit.jupiter.api.Test;54import org.junit.jupiter.api.extension.Ext

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1@ExtendWith(MockitoExtension.class)2class MockitoExtensionTest {3 private List<String> mockList;4 void testMockCreation() {5 mockListadd("one");6 verify(mockList).add("one");7 assertEquals(, mockList.size());8 assertNotNull(mockList);9 }10}11@ExtendWith(MockitoExtension.class)12class MockitoExtensionTest {13 private List<String> spyList = new LinkedList<>();14 void testSpyCreation() {15 spyList.add("one");16 spyList.add("two");17 verify(spyList).add("one");18 verify(spyList).add("two");19 assertEquals(2, spyList.size());20 spyList.clear();21 assertEquals(0, spyList.size());22 }23}24@ExtendWith(MockitoExtension.class)25class MockitoExtensionTest {26 private ArgumentCaptor<String> argumentCaptor;27 private List<String> mockList;28 void testCaptorCreation() {29 mockList.add("one");30 verify(mockList).add(argumentCaptor.capture());31 assertEquals("one", argumentCaptor.getValue());32 }33}34@ExtendWith(MockitoExtension.class)35class MockitoExtensionTest {36 private List<String> mockList;37 private List<String> injectMocksList = new ArrayList<>();38 void testInjectMocksCreation() {39 injectMocksList.add("one");40 verify(mockList).add("one");41 }42}43@ExtendWith(MockitoExtension.class)44class MockitoExtensionTest {45 private List<String> mockList;

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1@ExtendWith(MockitoExtension.class)2class MockitoExtensionTest {3 private List<String> mockList;4 void testMockCreation() {5 mockList.add("one");6 verify(mockList).add("one");7 assertEquals(0, mockList.size());8 assertNotNull(mockList);9 }10}11@ExtendWith(MockitoExtension.class)12class MockitoExtensionTest {13 private List<String> spyList = new LinkedList<>();14 void testSpyCreation() {15 spyList.add("one");16 spyList.add("two");17 verify(spyList).add("one");18 verify(spyList).add("two");19 assertEquals(2, spyList.size());20 spyList.clear();21 assertEquals(0, spyList.size());22 }23}24@ExtendWith(MockitoExtension.class)25class MockitoExtensionTest {26 private ArgumentCaptor<String> argumentCaptor;27 private List<String> mockList;28 void testCaptorCreation() {29 mockList.add("one");30 verify(mockList).add(argumentCaptor.capture());31 assertEquals("one", argumentCaptor.getValue());32 }33}34@ExtendWith(MockitoExtension.class)35class MockitoExtensionTest {36 private List<String> mockList;37 private List<String> injectMocksList = new ArrayList<>();38 void testInjectMocksCreation() {39 injectMocksList.add("one");40 verify(mockList).add("one");41 }42}43@ExtendWith(MockitoExtension.class)44class MockitoExtensionTest {45 private List<String> mockList;MockitoExtension method of org.mockito.junit.jupiter.MockitoExtension class46import org.junit.jupiter.api.Assertions;47import org.junit.jupiter.api.Test;48import org.junit.jupiter.api.extension.ExtendWith;49import org.mockito.InjectMocks;50import org.mockito.Mock;51import org.mockito.junit.jupiter.MockitoExtension;52import java.util.ArrayList;53import java.util.List;54@ExtendWith(MockitoExtension.class)55public class MockitoExtensionExample {56 List<String> mockList;57 ArrayList<String> arrayList;58 public void testMock() {59 mockList.add("Test");60 Assertions.assertEquals(0, arrayList.size());61 }62}63 at java.base/java.util.ArrayList.add(ArrayList.java:477)64 at java.base/java.util.ArrayList.add(ArrayList.java:490)65 at com.example.mockito.MockitoExtensionExample.testMock(MockitoExtensionExample.java:21)66import org.junit.jupiter.api.Assertions;67import org.junit.jupiter.api.Test;68import org.mockito.Mockito;69import java.util.ArrayList;70import java.util.List;71public class JUnit5AndMockito2_28_2 {72 public void testMock() {73 List<String> mockList = Mockito.mock(List.class);74 ArrayList<String> arrayList = new ArrayList<>();75 arrayList.add("Test");76 Assertions.assertEquals(1, arrayList.size());77 }78}79import org.junit.Assert;80import org.junit.Test;81import org.mockito.Mockito;82import java.util.ArrayList;83import java.util.List;84public class JUnit4AndMockito2_28_2 {85 public void testMock() {86 List<String> mockList = Mockito.mock(List.class);87 ArrayList<String> arrayList = new ArrayList<>();88 arrayList.add("Test");89 Assert.assertEquals(1, arrayList.size());90 }91}

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