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How to use collector method of org.mockito.junit.MockitoJUnit class

Best Mockito code snippet using org.mockito.junit.MockitoJUnit.collector

Source:VerificationCollectorImplTest.java

...16import static org.mockito.Mockito.*;17public class VerificationCollectorImplTest {18    @Test19    public void should_not_throw_any_exceptions_when_verifications_are_successful() {20        VerificationCollector collector = MockitoJUnit.collector().assertLazily();21        IMethods methods = mock(IMethods.class);22        methods.simpleMethod();23        verify(methods).simpleMethod();24        collector.collectAndReport();25    }26    @Test(expected = MockitoAssertionError.class)27    public void should_collect_verification_failures() {28        VerificationCollector collector = MockitoJUnit.collector().assertLazily();29        IMethods methods = mock(IMethods.class);30        verify(methods).simpleMethod();31        collector.collectAndReport();32    }33    @Test34    public void should_collect_multiple_verification_failures() {35        VerificationCollector collector = MockitoJUnit.collector().assertLazily();36        IMethods methods = mock(IMethods.class);37        verify(methods).simpleMethod();38        verify(methods).byteReturningMethod();39        try {40            collector.collectAndReport();41            fail();42        } catch (MockitoAssertionError error) {43            assertThat(error).hasMessageContaining("1. Wanted but not invoked:");44            assertThat(error).hasMessageContaining("2. Wanted but not invoked:");45        }46    }47    @Test48    public void should_only_collect_failures_ignore_successful_verifications() {49        VerificationCollector collector = MockitoJUnit.collector().assertLazily();50        IMethods methods = mock(IMethods.class);51        verify(methods, never()).simpleMethod();52        verify(methods).byteReturningMethod();53        this.assertAtLeastOneFailure(collector);54    }55    @Test56    public void should_continue_collecting_after_failing_verification() {57        VerificationCollector collector = MockitoJUnit.collector().assertLazily();58        IMethods methods = mock(IMethods.class);59        methods.simpleMethod();60        verify(methods).byteReturningMethod();61        verify(methods).simpleMethod();62        this.assertAtLeastOneFailure(collector);63    }64    private void assertAtLeastOneFailure(VerificationCollector collector) {65        try {66            collector.collectAndReport();67            fail();68        } catch (MockitoAssertionError error) {69            assertThat(error).hasMessageContaining("1. Wanted but not invoked:");70            assertThat(error.getMessage()).doesNotContain("2.");71        }72    }73    @Test74    public void should_invoke_collector_rule_after_test() {75        JUnitCore runner = new JUnitCore();76        Result result = runner.run(VerificationCollectorRuleInner.class);77        assertThat(result.getFailureCount()).isEqualTo(1);78        assertThat(result.getFailures().get(0).getMessage()).contains("1. Wanted but not invoked:");79    }80    // This class is picked up when running a test suite using an IDE. It fails on purpose.81    public static class VerificationCollectorRuleInner {82        @Rule83        public VerificationCollector collector = MockitoJUnit.collector();84        @Test85        public void should_fail() {86            IMethods methods = mock(IMethods.class);87            verify(methods).simpleMethod();88        }89        @Test90        public void should_not_fail() {91            IMethods methods = mock(IMethods.class);92            methods.simpleMethod();93            verify(methods).simpleMethod();94        }95    }96}...

Source:VerificationCollector.java

...18 * collect verification failures.19 *20 * <pre class="code"><code class="java">21 *   &#064;Rule22 *   public VerificationCollector collector = MockitoJUnit.collector();23 *24 *   &#064;Test25 *   public void should_fail() {26 *       IMethods methods = mock(IMethods.class);27 *28 *       verify(methods).byteReturningMethod();29 *       verify(methods).simpleMethod();30 *   }31 * </code></pre>32 *33 * @see org.mockito.Mockito#verify(Object)34 * @see org.mockito.Mockito#verify(Object, org.mockito.verification.VerificationMode)35 * @since 2.1.036 */37public interface VerificationCollector extends TestRule {38    /**39     * Collect all lazily verified behaviour. If there were failed verifications, it will40     * throw a MockitoAssertionError containing all messages indicating the failed verifications.41     * <p>42     * Normally, users don't need to call this method because it is automatically invoked when test finishes43     * (part of the JUnit Rule behavior).44     * However, in some circumstances and edge cases, it might be useful to collect and report verification45     * errors in the middle of the test (for example: some scenario tests or during debugging).46     *47     * <pre class="code"><code class="java">48     *   &#064;Rule49     *   public VerificationCollector collector = MockitoJUnit.collector();50     *51     *   &#064;Test52     *   public void should_fail() {53     *       IMethods methods = mock(IMethods.class);54     *55     *       verify(methods).byteReturningMethod();56     *       verify(methods).simpleMethod();57     *58     *       //report all verification errors now:59     *       collector.collectAndReport();60     *61     *       //some other test code62     *   }63     * </code></pre>64     *65     * @throws MockitoAssertionError If there were failed verifications66     * @since 2.1.067     */68    void collectAndReport() throws MockitoAssertionError;69    /**70     * Enforce all verifications are performed lazily. This method is automatically called when71     * used as JUnitRule and normally users don't need to use it.72     * <p>73     * You should only use this method if you are using a VerificationCollector74     * inside a method where only this method should be verified lazily. The other methods can75     * still be verified directly.76     *77     * <pre class="code"><code class="java">78     *   &#064;Test79     *   public void should_verify_lazily() {80     *       VerificationCollector collector = MockitoJUnit.collector().assertLazily();81     *82     *       verify(methods).byteReturningMethod();83     *       verify(methods).simpleMethod();84     *85     *       collector.collectAndReport();86     *   }87     * </code></pre>88     *89     * @return this90     * @since 2.1.091     */92    VerificationCollector assertLazily();93}...

Source:LazyVerificationUnitTest.java

...9import org.mockito.junit.VerificationCollector;10public class LazyVerificationUnitTest {11    @Test12    public void whenLazilyVerified_thenReportsMultipleFailures() {13        VerificationCollector collector = MockitoJUnit.collector()14            .assertLazily();15        List mockList = mock(List.class);16        verify(mockList).add("one");17        verify(mockList).clear();18        try {19            collector.collectAndReport();20        } catch (MockitoAssertionError error) {21            assertTrue(error.getMessage()22                .contains("1. Wanted but not invoked:"));23            assertTrue(error.getMessage()24                .contains("2. Wanted but not invoked:"));25        }26    }27}...

collector

Using AI Code Generation

1import org.junit.runner.RunWith;2import org.mockito.Mock;3import org.mockito.junit.MockitoJUnit;4import org.mockito.junit.MockitoRule;5import org.mockito.junit.MockitoJUnitRunner;6import org.junit.Rule;7import org.junit.Test;8import static org.junit.Assert.*;9import static org.mockito.Mockito.*;10import org.mockito.exceptions.misusing.InvalidUseOfMatchersException;11import org.mockito.exceptions.verification.NoInteractionsWanted;12import org.mockito.exceptions.verification.TooLittleActualInvocations;13import org.mockito.exceptions.verification.junit.ArgumentsAreDifferent;14import org.mockito.exceptions.verification.junit.WantedButNotInvoked;15@RunWith(MockitoJUnitRunner.class)16public class Test1 {17    I1 i1;18    I2 i2;19    public MockitoRule mockitoRule = MockitoJUnit.rule();20    public void test1(){21        when(i1.m1()).thenReturn("a");22        when(i1.m2()).thenReturn("b");23        when(i1.m3()).thenReturn("c");24        when(i2.m1()).thenReturn("d");25        when(i2.m2()).thenReturn("e");26        when(i2.m3()).thenReturn("f");27        assertEquals("a",i1.m1());28        assertEquals("b",i1.m2());29        assertEquals("c",i1.m3());30        assertEquals("d",i2.m1());31        assertEquals("e",i2.m2());32        assertEquals("f",i2.m3());33    }34}35import org.junit.runner.RunWith;36import org.mockito.Mock;37import org.mockito.runners.MockitoJUnitRunner;38import org.junit.Test;39import static org.junit.Assert.*;40import static org.mockito.Mockito.*;41import org.mockito.exceptions.misusing.InvalidUseOfMatchersException;42import org.mockito.exceptions.verification.NoInteractionsWanted;43import org.mockito.exceptions.verification.TooLittleActualInvocations;44import org.mockito.exceptions.verification.junit.ArgumentsAreDifferent;45import org.mockito.exceptions.verification.junit.WantedButNotInvoked;46@RunWith(MockitoJUnitRunner.class)47public class Test2 {48    I1 i1;49    I2 i2;50    public void test1(){51        when(i1.m1()).thenReturn("a");52        when(i1.m2()).thenReturn("b");53        when(i1.m3()).thenReturn

collector

Using AI Code Generation

1import org.mockito.junit.MockitoJUnit;2import org.mockito.junit.MockitoRule;3import org.junit.Rule;4import org.junit.Test;5import static org.junit.Assert.*;6import static org.mockito.Mockito.*;7public class Test1 {8    public MockitoRule mockitoRule = MockitoJUnit.collector();9    public void test1() {10        List mockedList = mock(List.class);11        mockedList.add("one");12        mockedList.clear();13        verify(mockedList).add("one");14        verify(mockedList).clear();15    }16}17Missing method call for verify(mock) here:18-> at Test1.test1(Test1.java:13)19    verify(mock).someMethod();20    verify(mock, times(10)).someMethod();21    verify(mock, atLeastOnce()).someMethod();22    verifyNoMoreInteractions(mock);23The verify() method is used to verify the method calls made on the mock object. The verify() method returns the mock object. The

collector

Using AI Code Generation

1import org.mockito.MockitoAnnotations;2import org.mockito.junit.MockitoJUnit;3import org.mockito.junit.MockitoRule;4import org.mockito.Mock;5import org.junit.Rule;6import org.junit.Test;7import static org.mockito.Mockito.when;8import static org.junit.Assert.assertEquals;9import static org.mockito.Mockito.*;10import static org.mockito.Mockito.times;11import static org.mockito.Mockito.verify;12public class 1 {13    private List mockList;14    public MockitoRule mockitoRule = MockitoJUnit.rule();15    public void testMock() {16        mockList.add("one");17        verify(mockList).add("one");18        verify(mockList, times(1)).add("one");19    }20}21import org.mockito.MockitoAnnotations;22import org.mockito.junit.MockitoJUnit;23import org.mockito.junit.MockitoRule;24import org.mockito.Mock;25import org.junit.Rule;26import org.junit.Test;27import static org.mockito.Mockito.when;28import static org.junit.Assert.assertEquals;29import static org.mockito.Mockito.*;30import static org.mockito.Mockito.times;31import static org.mockito.Mockito.verify;32public class 2 {33    private List mockList;34    public 2() {35        MockitoAnnotations.initMocks(this);36    }37    public void testMock() {38        mockList.add("one");39        verify(mockList).add("one");40        verify(mockList, times(1)).add("one");41    }42}43import org.mockito.MockitoAnnotations;44import org.mockito.junit.MockitoJUnit;45import org.mockito.junit.MockitoRule;46import org.mockito.Mock;47import org.junit.Rule;48import org.junit.Test;49import static org.mockito.Mockito.when;50import static org.junit.Assert.assertEquals;51import static org.mockito.Mockito.*;52import static org.mockito.Mockito.times;53import static org.mockito.Mockito.verify;54public class 3 {55    private List mockList;56    public 3() {57        MockitoAnnotations.initMocks(this);58    }59    public void testMock() {60        mockList.add("one");61        verify(mockList).add("one");62        verify(mockList, times(1)).add("one");63    }64}65import org.mockito.MockitoAnnotations;66import org.mockito.junit.Mockito

collector

Using AI Code Generation

1import org.junit.Test;2import org.junit.runner.RunWith;3import org.mockito.Mock;4import org.mockito.junit.MockitoJUnit;5import org.mockito.junit.MockitoRule;6@RunWith(MockitoJUnit.class)7public class MockitoJUnitTest {8    private List<String> mockList;9    public void testMockList() {10        mockList.add("Hello");11        verify(mockList).add("Hello");12    }13}14mockList.add("Hello");15-> at com.javacodegeeks.mockito.MockitoJUnitTest.testMockList(MockitoJUnitTest.java:16)16	at org.mockito.internal.verification.api.VerificationDataImpl.getUnfinishedVerification(VerificationDataImpl.java:68)17	at org.mockito.internal.verification.VerificationModeFactory.only(VerificationModeFactory.java:73)18	at org.mockito.internal.verification.VerificationModeFactory.only(VerificationModeFactory.java:60)19	at org.mockito.internal.verification.api.VerificationDataImpl.only(VerificationDataImpl.java:43)20	at org.mockito.internal.verification.StrictlyImpl.verify(StrictlyImpl.java:72)21	at org.mockito.internal.verification.StrictlyImpl.verify(StrictlyImpl.java:62)22	at org.mockito.internal.verification.StrictlyImpl.verifyZeroInteractions(StrictlyImpl.java:92)23	at org.mockito.junit.MockitoJUnit.rule(MockitoJUnit.java:50)24	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)25	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)26	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)27	at java.lang.reflect.Method.invoke(Method.java:498)28	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)29	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)30	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)31	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:24)32	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)33	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)34	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)35	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4

collector

Using AI Code Generation

1package com.automation;2import static org.mockito.Mockito.mock;3import static org.mockito.Mockito.verify;4import static org.mockito.Mockito.when;5import java.util.ArrayList;6import java.util.List;7import org.junit.Test;8import org.mockito.ArgumentCaptor;9public class TestMockito1 {10public void test() {11List mockList = mock(ArrayList.class);12when(mockList.get(0)).thenReturn("one");13when(mockList.get(1)).thenReturn("two");14ArgumentCaptor<String> arg = ArgumentCaptor.forClass(String.class);15mockList.add("one");16verify(mockList).add(arg.capture());17System.out.println(arg.getValue());18}19}

collector

Using AI Code Generation

1import org.junit.Test;2import org.mockito.Mockito;3import org.mockito.junit.MockitoJUnit;4import org.mockito.junit.MockitoRule;5import java.util.List;6public class MockitoJUnitTest {7    public void testUsingMockitoJUnit() {8        List<String> list = MockitoJUnit.collector().mock(List.class);9        list.add("one");10        Mockito.verify(list).add("one");11    }12}13import org.junit.Rule;14import org.junit.Test;15import org.mockito.Mock;16import org.mockito.junit.MockitoJUnit;17import org.mockito.junit.MockitoRule;18import java.util.List;19public class MockitoJUnitTest {20    public MockitoRule mockitoRule = MockitoJUnit.rule();21    private List<String> list;22    public void testUsingMockitoJUnit() {23        list.add("one");24        Mockito.verify(list).add("one");25    }26}

collector

Using AI Code Generation

1import org.junit.Rule;2import org.junit.Test;3import org.mockito.junit.MockitoRule;4import org.mockito.junit.MockitoJUnit;5import static org.mockito.Mockito.*;6public class Test1 {7    public MockitoRule mockitoRule = MockitoJUnit.collector().build();8    public void test1() {9        System.out.println("test1");10    }11}12import org.junit.Rule;13import org.junit.Test;14import org.junit.runner.RunWith;15import org.mockito.junit.MockitoJUnitRunner;16import org.mockito.junit.MockitoRule;17import static org.mockito.Mockito.*;18@RunWith(MockitoJUnitRunner.class)19public class Test2 {20    public MockitoRule mockitoRule = MockitoJUnit.rule();21    public void test1() {22        System.out.println("test1");23    }24}25import org.junit.Rule;26import org.junit.Test;27import org.junit.runner.RunWith;28import org.mockito.junit.MockitoJUnitRunner;29import org.mockito.junit.MockitoRule;30import static org.mockito.Mockito.*;31@RunWith(MockitoJUnitRunner.Silent.class)32public class Test3 {33    public MockitoRule mockitoRule = MockitoJUnit.rule();34    public void test1() {35        System.out.println("test1");36    }37}

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