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How to use MockitoSession class of org.mockito package

Best Mockito code snippet using org.mockito.MockitoSession

Source:MockitoSessionBuilder.java

...4 */5package org.mockito.session;6import org.mockito.Incubating;7import org.mockito.MockitoAnnotations;8import org.mockito.MockitoSession;9import org.mockito.exceptions.misusing.UnfinishedMockingSessionException;10import org.mockito.quality.Strictness;11/**12 * Fluent builder interface for {@code MockitoSession} objects.13 * See the documentation and examples in Javadoc for {@link MockitoSession}.14 *15 * @since 2.7.016 */17@Incubating18public interface MockitoSessionBuilder {19    /**20     * Adds the test class instance for initialization of fields annotated with Mockito annotations21     * like {@link org.mockito.Mock}.22     * When this method is invoked it <strong>does not perform</strong> initialization of mocks on the spot!23     * Only when {@link #startMocking()} is invoked then annotated fields will be initialized.24     * Traditional API to initialize mocks, the {@link MockitoAnnotations#initMocks(Object)} method25     * has limited support for driving cleaner tests because it does not support configuring {@link Strictness}.26     * Want cleaner tests and better productivity?27     * Migrate from {@link MockitoAnnotations#initMocks(Object)}28     * to {@link MockitoSession}!29     * <p>30     * This method may be called multiple times to add multiple, e.g. nested, test class instances.31     * <p>32     * See code sample in {@link MockitoSession}.33     *34     * @param testClassInstance test class instance that contains fields with Mockito annotations to be initialized.35     *  Passing {@code null} is permitted but will be ignored.36     * @return the same builder instance for fluent configuration of {@code MockitoSession}.37     * @since 2.7.038     */39    @Incubating40    MockitoSessionBuilder initMocks(Object testClassInstance);41    /**42     * Adds the test class instances for initialization of fields annotated with Mockito annotations43     * like {@link org.mockito.Mock}.44     * <p>45     * In most scenarios, you only need to init mocks on a single test class instance.46     * This method is useful for advanced framework integrations (like JUnit5), when a test uses multiple, e.g. nested, test class instances.47     * <p>48     * This method calls {@link #initMocks(Object)} for each passed test class instance.49     *50     * @param testClassInstances test class instances that contains fields with Mockito annotations to be initialized.51     *  Passing {@code null} or an empty array is permitted but will be ignored.52     * @return the same builder instance for fluent configuration of {@code MockitoSession}.53     * @see #initMocks(Object)54     * @since 2.15.055     */56    @Incubating57    MockitoSessionBuilder initMocks(Object... testClassInstances);58    /**59     * Configures the name of the {@code MockitoSession} instance.60     * <p>61     * The name is used to output {@linkplain org.mockito.quality.MockitoHint hints} when62     * {@linkplain MockitoSession#finishMocking() finishing} a session.63     * <p>64     * This method is intended to be used by framework integrations, e.g. JUnit. When building65     * a {@code MockitoSession} for direct use, users are not expected to call it.66     *67     * @param name of {@code MockitoSession} instance.68     *  Passing {@code null} is permitted and will make the session use a default value.69     *  The current default is the name of the last test class instance passed to70     *  {@link #initMocks(Object)} or {@link #initMocks(Object...)}, if available;71     *  otherwise, {@code "<Unnamed Session>"} is used.72     *73     * @return the same builder instance for fluent configuration of {@code MockitoSession}.74     * @see org.mockito.quality.MockitoHint75     * @since 2.15.076     */77    @Incubating78    MockitoSessionBuilder name(String name);79    /**80     * Configures strictness of {@code MockitoSession} instance.81     * See examples in {@link MockitoSession}.82     *83     * @param strictness for {@code MockitoSession} instance.84     *  Passing {@code null} is permitted and will make the session use a default value.85     *  The current default is {@link Strictness#STRICT_STUBS}.86     *87     * @return the same builder instance for fluent configuration of {@code MockitoSession}.88     * @since 2.7.089     */90    @Incubating91    MockitoSessionBuilder strictness(Strictness strictness);92    /**93     * Configures logger used by {@code MockitoSession} for emitting94     * {@linkplain org.mockito.quality.MockitoHint warnings} when finishing the session.95     * <p>96     * Please note that the use of {@linkplain Strictness#STRICT_STUBS strict stubs} is97     * recommended over emitting warnings because warnings are easily ignored and spoil the log output.98     * Instead of using this method, please consider setting strictness with {@link #strictness(Strictness)}.99     *100     * @param logger for warnings emitted when finishing {@code MockitoSession}.101     *  Passing {@code null} is permitted and will make the session use a default value.102     *  By default, warnings will be logged to the console.103     *104     * @return the same builder instance for fluent configuration of {@code MockitoSession}.105     * @see org.mockito.quality.MockitoHint106     * @since 2.15.0107     */108    @Incubating109    MockitoSessionBuilder logger(MockitoSessionLogger logger);110    /**111     * Starts new mocking session! Creates new {@code MockitoSession} instance to initialize the session.112     * At this point annotated fields are initialized per {@link #initMocks(Object)} method.113     * When you are done with the session it is required to invoke {@link MockitoSession#finishMocking()}.114     * This will trigger stubbing validation, cleaning up the internal state like removal of internal listeners.115     * <p>116     * Mockito tracks created sessions internally and prevents the user from creating new sessions without117     * using {@link MockitoSession#finishMocking()}.118     * When you run tests concurrently in multiple threads, it is legal for each thread to have single active Mockito session.119     * When you attempt to start new session in a thread that already has an unfinished session120     * {@link UnfinishedMockingSessionException} will be triggered.121     * <p>122     * See examples in {@link MockitoSession}.123     *124     * @return new {@code MockitoSession} instance125     * @since 2.7.0126     * @throws UnfinishedMockingSessionException127     *  when previous session was not concluded with {@link MockitoSession#finishMocking()}128     */129    @Incubating130    MockitoSession startMocking() throws UnfinishedMockingSessionException;131}...

Source:JUnitRule.java

2import org.junit.runners.model.FrameworkMethod;3import org.junit.runners.model.Statement;4import org.mockito.Mockito;5import org.mockito.MockitoAnnotations;6import org.mockito.MockitoSession;7import org.mockito.internal.session.MockitoSessionLoggerAdapter;8import org.mockito.junit.MockitoRule;9import org.mockito.plugins.MockitoLogger;10import org.mockito.quality.Strictness;11import org.mockito.session.MockitoSessionBuilder;12public class JUnitRule implements MockitoRule {13    /* access modifiers changed from: private */14    public final MockitoLogger logger;15    /* access modifiers changed from: private */16    public MockitoSession session;17    /* access modifiers changed from: private */18    public Strictness strictness;19    public JUnitRule(MockitoLogger mockitoLogger, Strictness strictness2) {20        this.logger = mockitoLogger;21        this.strictness = strictness2;22    }23    public Statement apply(final Statement statement, final FrameworkMethod frameworkMethod, final Object obj) {24        return new Statement() {25            public void evaluate() throws Throwable {26                if (JUnitRule.this.session == null) {27                    JUnitRule jUnitRule = JUnitRule.this;28                    MockitoSessionBuilder mockitoSession = Mockito.mockitoSession();29                    MockitoSession unused = jUnitRule.session = mockitoSession.name(obj.getClass().getSimpleName() + "." + frameworkMethod.getName()).strictness(JUnitRule.this.strictness).logger(new MockitoSessionLoggerAdapter(JUnitRule.this.logger)).initMocks(obj).startMocking();30                } else {31                    MockitoAnnotations.initMocks(obj);32                }33                Throwable evaluateSafely = evaluateSafely(statement);34                JUnitRule.this.session.finishMocking(evaluateSafely);35                if (evaluateSafely != null) {36                    throw evaluateSafely;37                }38            }39            private Throwable evaluateSafely(Statement statement) {40                try {41                    statement.evaluate();42                    return null;43                } catch (Throwable th) {44                    return th;45                }46            }47        };48    }49    public MockitoRule silent() {50        return strictness(Strictness.LENIENT);51    }52    public MockitoRule strictness(Strictness strictness2) {53        this.strictness = strictness2;54        MockitoSession mockitoSession = this.session;55        if (mockitoSession != null) {56            mockitoSession.setStrictness(strictness2);57        }58        return this;59    }60}

Source:MockitoSessionTestBase.java

1package uk.nhs.digital.test.mockito;2import org.junit.After;3import org.junit.Before;4import org.mockito.Mockito;5import org.mockito.MockitoSession;6import org.mockito.quality.Strictness;7/**8 * Makes it easier to use {@linkplain MockitoSession} (recommended by Mockito team)9 * in favour of, say, recently deprecated {@linkplain org.mockito.MockitoAnnotations#initMocks}.10 */11public class MockitoSessionTestBase {12    private MockitoSession mockitoSession;13    @Before14    public void initMocks() {15        mockitoSession = Mockito.mockitoSession()16            .initMocks(this)17            .strictness(Strictness.WARN)18            .startMocking();19    }20    @After21    public void releaseMocks() throws Exception {22        mockitoSession.finishMocking();23    }24}...

MockitoSession

Using AI Code Generation

1package com.automationrhapsody.mockito;2import org.junit.Test;3import org.junit.runner.RunWith;4import org.mockito.Mock;5import org.mockito.junit.MockitoJUnitRunner;6import java.util.ArrayList;7import java.util.List;8import static org.assertj.core.api.Assertions.assertThat;9import static org.mockito.Mockito.mock;10import static org.mockito.Mockito.when;11@RunWith(MockitoJUnitRunner.class)12public class MockitoSessionTest {13    private List<String> mockedList;14    public void testMockitoSession() {15        MockitoSession mockitoSession = Mockito.mockitoSession()16                .initMocks(this)17                .startMocking();18        mockedList.add("one");19        mockedList.clear();20        mockitoSession.finishMocking();21        assertThat(mockedList).isEmpty();22    }23}24MockitoSession.Builder.initMocks(Object) method25MockitoSession.Builder.startMocking() method26MockitoSession.finishMocking() method27MockitoSession mockitoSession() method28MockitoSession mockitoSession(MockitoSession.Builder) method29MockitoSession mockitoSession(MockitoSession.Builder, MockitoSession) method30MockitoSession mockitoSession(MockitoSession) method31MockitoSession mockitoSession(MockitoSession, MockitoSession) method32MockitoSession mockitoSession(MockitoSession, MockitoSession.Builder) method33MockitoSession mockitoSession(MockitoSession.Builder, MockitoSession.Builder) method34MockitoSession mockitoSession(Mockito

MockitoSession

Using AI Code Generation

1import org.mockito.*;2import org.mockito.exceptions.*;3import org.mockito.exceptions.misusing.*;4import org.mockito.exceptions.misusing.missingmethod.*;5import org.mockito.exceptions.verification.*;6import org.mockito.exceptions.verification.junit.ArgumentsAreDifferent;7import org.mockito.exceptions.verification.junit.NoInteractionsWanted;8import org.mockito.exceptions.verification.junit.TooLittleActualInvocations;9import org.mockito.exceptions.verification.junit.TooManyActualInvocations;10import org.mockito.exceptions.verification.junit.WantedButNotInvoked;11import org.mockito.exceptions.verifi

MockitoSession

Using AI Code Generation

1import org.mockito.MockitoSession;2import org.mockito.MockitoAnnotations;3import org.mockito.Mockito;4import static org.mockito.Mockito.when;5import static org.mockito.Mockito.mock;6import static org.mockito.Mockito.doThrow;7import static org.mockito.Mockito.verify;8import static org.mockito.Mockito.times;9import static org.mockito.Mockito.verifyNoMoreInteractions;10import static org.mockito.Mockito.verifyNoInteractions;11import static org.mockito.Mockito.never;12import static org.mockito.Mockito.atLeast;13import static org.mockito.Mockito.atLeastOnce;14import static org.mockito.Mockito.atMost;15import static org.mockito.Mockito.atMostOnce;16import static org.mockito.Mockito.only;17import static org.mockito.Mockito.timeout;18import static org.mockito.Mockito.only;19import static org.mockito.Mockito.withSettings;20import static org.mockito.Mockito.spy;21import static org.mockito.Mockito.reset;22import static org.mockito.Mockito.inOrder;23import static org.mockito.Mockito.after;24import static org.mockito.Mockito.verifyZeroInteractions;25import static org.mockito.Mockito.verifyNoMoreInteraction

MockitoSession

Using AI Code Generation

1package com.automationrhapsody.mockito;2import static org.mockito.Mockito.*;3import org.mockito.MockSettings;4import org.mockito.MockitoSession;5import org.mockito.quality.Strictness;6import org.mockito.Mock;7import org.junit.Test;8import org.junit.runner.RunWith;9import org.mockito.junit.MockitoJUnitRunner;10import java.util.List;11import java.util.LinkedList;12import java.util.ArrayList;13@RunWith(MockitoJUnitRunner.class)14public class MockitoSessionTest {15    public void testMockitoSession() {16        MockitoSession session = Mockito.mockitoSession()17                .initMocks(this)18                .strictness(Strictness.LENIENT)19                .startMocking();20        List mockedList = mock(List.class);21        mockedList.add("one");22        mockedList.clear();23        session.finishMocking();24    }25}26MockitoSessionTest.java:21: warning: [unchecked] unchecked call to add(E) as a member of the raw type List27        mockedList.add("one");28MockitoSessionTest.java:22: warning: [unchecked] unchecked call to clear() as a member of the raw type List29        mockedList.clear();

MockitoSession

Using AI Code Generation

1import org.mockito.*;2import org.mockito.junit.*;3import org.mockito.stubbing.*;4import org.mockito.invocation.*;5import org.mockito.exceptions.*;6import org.mockito.mock.*;7import org.mockito.verification.*;8import org.mockito.internal.stubbing.*;9import org.mockito.internal.verification.*;10import org.mockito.internal.invocation.*;11import org.mockito.internal.exceptions.*;12import org.mockito.internal.matchers.*;13import org.mockito.internal.progress.*;14import org.mockito.internal.debugging.*;15import org.mockito.internal.configuration.*;16import org.mockito.internal.creation.*;17import org.mockito.internal.util.*;18import org.mockito.internal.stubbing.defaultanswers.*;19import org.mockito.internal.stubbing.answers.*;20import org.mockito.internal.stubbing.defaultanswers.ReturnsEmptyValues;21import org.mockito.internal.stubbing.defaultanswers.ReturnsMocks;22import org.mockito.internal.stubbing.defaultanswers.ReturnsSmartNulls;23import org.mockito.internal.stubbing.defaultanswers.ReturnsDeepStubs;24import org.mockito.internal.stubbing.defaultanswers.ReturnsMoreEmptyValues;25import org.mockito.internal.stubbing.defaultanswers.Returns;26import

MockitoSession

Using AI Code Generation

1import org.mockito.MockitoSession;2import org.mockito.quality.Strictness;3import org.mockito.Mockito;4import org.mockito.Mock;5import org.mockito.MockitoAnnotations;6import org.mockito.Spy;7import org.mockito.MockitoSessionBuilder;8public class MockitoSessionClass {9    public static void main(String[] args) {10        MockitoSession mockitoSession = Mockito.mockitoSession()11                .initMocks(this)12                .strictness(Strictness.STRICT_STUBS)13                .startMocking();14    }15}16Recommended Posts: Mockito | when() method17Mockito | verify() method18Mockito | doThrow() method19Mockito | doReturn() method20Mockito | doAnswer() method21Mockito | doNothing() method22Mockito | doCallRealMethod() method23Mockito | doAnswer() method24Mockito | doThrow() method25Mockito | doReturn() method26Mockito | doNothing() method27Mockito | doCallRealMethod() method28Mockito | doAnswer() method29Mockito | doThrow() method30Mockito | doReturn() method31Mockito | doNothing() method32Mockito | doCallRealMethod() method33Mockito | doAnswer() method34Mockito | doThrow() method35Mockito | doReturn() method36Mockito | doNothing() method37Mockito | doCallRealMethod() method38Mockito | doAnswer() method39Mockito | doThrow() method40Mockito | doReturn() method41Mockito | doNothing() method42Mockito | doCallRealMethod() method43Mockito | doAnswer() method44Mockito | doThrow() method45Mockito | doReturn() method46Mockito | doNothing() method47Mockito | doCallRealMethod() method48Mockito | doAnswer() method49Mockito | doThrow() method50Mockito | doReturn() method

MockitoSession

Using AI Code Generation

1package org.mockito;2{3 public void initMocks(Object target)4 {5 }6}

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