How to use StrictJUnitRuleTest class of org.mockitousage.junitrule package

Best Mockito code snippet using org.mockitousage.junitrule.StrictJUnitRuleTest

Source:StrictJUnitRuleTest.java

...18import static org.mockito.BDDMockito.given;19import static org.mockito.BDDMockito.willReturn;20import static org.mockito.Mockito.*;21import static org.mockitoutil.TestBase.filterLineNo;22public class StrictJUnitRuleTest {23    @Rule public SafeJUnitRule rule = new SafeJUnitRule(MockitoJUnit.rule().strictness(Strictness.STRICT_STUBS));24    @Mock IMethods mock;25    @Mock IMethods mock2;26    @Test public void ok_when_no_stubbings() throws Throwable {27        mock.simpleMethod();28        verify(mock).simpleMethod();29    }30    @Test public void ok_when_all_stubbings_used() throws Throwable {31        given(mock.simpleMethod(10)).willReturn("foo");32        mock.simpleMethod(10);33    }34    @Test public void ok_when_used_and_mismatched_argument() throws Throwable {35        given(mock.simpleMethod(10)).willReturn("foo");36        mock.simpleMethod(10);37        mock.simpleMethod(15);38    }39    @Test public void fails_when_unused_stubbings() throws Throwable {40        //expect41        rule.expectFailure(UnnecessaryStubbingException.class);42        //when43        given(mock.simpleMethod(10)).willReturn("foo");44        mock2.simpleMethod(10);45    }46    @Test public void test_failure_trumps_unused_stubbings() throws Throwable {47        //expect48        rule.expectFailure(AssertionError.class, "x");49        //when50        given(mock.simpleMethod(10)).willReturn("foo");51        mock.otherMethod();52        throw new AssertionError("x");53    }54    @Test public void why_do_return_syntax_is_useful() throws Throwable {55        //Trade-off of Mockito strictness documented in test56        //expect57        rule.expectFailure(PotentialStubbingProblem.class);58        //when59        when(mock.simpleMethod(10)).thenReturn("10");60        when(mock.simpleMethod(20)).thenReturn("20");61    }62    @Test public void fails_fast_when_stubbing_invoked_with_different_argument() throws Throwable {63        //expect64        rule.expectFailure(new SafeJUnitRule.FailureAssert() {65            public void doAssert(Throwable t) {66                Assertions.assertThat(t).isInstanceOf(PotentialStubbingProblem.class);67                assertEquals(filterLineNo("\n" +68                                "Strict stubbing argument mismatch. Please check:\n" +69                                " - this invocation of 'simpleMethod' method:\n" +70                                "    mock.simpleMethod(15);\n" +71                                "    -> at org.mockitousage.junitrule.StrictJUnitRuleTest.fails_fast_when_stubbing_invoked_with_different_argument(StrictJUnitRuleTest.java:0)\n" +72                                " - has following stubbing(s) with different arguments:\n" +73                                "    1. mock.simpleMethod(20);\n" +74                                "      -> at org.mockitousage.junitrule.StrictJUnitRuleTest.fails_fast_when_stubbing_invoked_with_different_argument(StrictJUnitRuleTest.java:0)\n" +75                                "    2. mock.simpleMethod(30);\n" +76                                "      -> at org.mockitousage.junitrule.StrictJUnitRuleTest.fails_fast_when_stubbing_invoked_with_different_argument(StrictJUnitRuleTest.java:0)\n" +77                                "Typically, stubbing argument mismatch indicates user mistake when writing tests.\n" +78                                "Mockito fails early so that you can debug potential problem easily.\n" +79                                "However, there are legit scenarios when this exception generates false negative signal:\n" +80                                "  - stubbing the same method multiple times using 'given().will()' or 'when().then()' API\n" +81                                "    Please use 'will().given()' or 'doReturn().when()' API for stubbing.\n" +82                                "  - stubbed method is intentionally invoked with different arguments by code under test\n" +83                                "    Please use 'default' or 'silent' JUnit Rule.\n" +84                                "For more information see javadoc for PotentialStubbingProblem class."),85                        filterLineNo(t.getMessage()));86            }87        });88        //when stubbings in the test code:89        willReturn("10").given(mock).simpleMethod(10) ;  //used90        willReturn("20").given(mock).simpleMethod(20) ;  //unused91        willReturn("30").given(mock).simpleMethod(30) ;  //unused92        //then93        mock.otherMethod(); //ok, different method94        mock.simpleMethod(10); //ok, stubbed with this argument95        //invocation in the code under test uses different argument and should fail immediately96        //this helps with debugging and is essential for Mockito strictness97        mock.simpleMethod(15);98    }99    @Test public void verify_no_more_interactions_ignores_stubs() throws Throwable {100        //when stubbing in test:101        given(mock.simpleMethod(10)).willReturn("foo");102        //and code under test does:103        mock.simpleMethod(10); //implicitly verifies the stubbing104        mock.otherMethod();105        //and in test we:106        verify(mock).otherMethod();107        verifyNoMoreInteractions(mock);108    }109    @Test public void unused_stubs_with_multiple_mocks() throws Throwable {110        //expect111        rule.expectFailure(new SafeJUnitRule.FailureAssert() {112            public void doAssert(Throwable t) {113                assertEquals(filterLineNo("\n" +114                        "Unnecessary stubbings detected.\n" +115                        "Clean & maintainable test code requires zero unnecessary code.\n" +116                        "Following stubbings are unnecessary (click to navigate to relevant line of code):\n" +117                        "  1. -> at org.mockitousage.junitrule.StrictJUnitRuleTest.unused_stubs_with_multiple_mocks(StrictJUnitRuleTest.java:0)\n" +118                        "  2. -> at org.mockitousage.junitrule.StrictJUnitRuleTest.unused_stubs_with_multiple_mocks(StrictJUnitRuleTest.java:0)\n" +119                        "Please remove unnecessary stubbings or use 'silent' option. More info: javadoc for UnnecessaryStubbingException class."), filterLineNo(t.getMessage()));120            }121        });122        //when test has123        given(mock.simpleMethod(10)).willReturn("foo");124        given(mock2.simpleMethod(20)).willReturn("foo");125        given(mock.otherMethod()).willReturn("foo"); //used and should not be reported126        //and code has127        mock.otherMethod();128        mock2.booleanObjectReturningMethod();129    }130    @Test public void rule_validates_mockito_usage() throws Throwable {131        //expect132        rule.expectFailure(UnfinishedVerificationException.class);...

StrictJUnitRuleTest

Using AI Code Generation

1    @RunWith(MockitoJUnitRunner.class)2    public class StrictJUnitRuleTest {3        public MockitoRule mockitoRule = MockitoJUnit.rule().strictness(Strictness.STRICT_STUBS).build();4        private List list;5        public void should_stubbed_method_be_called() {6            when(list.get(0)).thenReturn("foo");7            list.get(0);8        }9        public void should_unstubbed_method_not_be_called() {10        }11    }12This file has been truncated. [show original](github.com/mockito/mockito/blo...)

StrictJUnitRuleTest

Using AI Code Generation

1package org.mockitousage.junitrule;2import static org.junit.Assert.*;3import static org.mockito.Mockito.*;4import org.junit.*;5import org.mockito.*;6import org.mockito.exceptions.base.MockitoException;7import org.mockito.junit.*;8import org.mockitousage.IMethods;9import org.mockitoutil.TestBase;10public class StrictJUnitRuleTest extends TestBase {11    @Mock IMethods mock;12    @Rule public MockitoRule rule = MockitoJUnit.rule().strictness(Strictness.STRICT_STUBS);13    public void shouldNotAllowUnstubbedMethod() throws Exception {14        try {15            mock.simpleMethod();16            fail();17        } catch (MockitoException e) {18            assertContains("Unstubbed method", e.getMessage());19        }20    }21    public void shouldNotAllowUnstubbedVoidMethod() throws Exception {22        try {23            mock.voidMethod();24            fail();25        } catch (MockitoException e) {26            assertContains("Unstubbed method", e.getMessage());27        }28    }29}30Project: mockito Source File: StrictJUnitRuleTest.java License: MIT License 5 votes public class StrictJUnitRuleTest extends TestBase { @Mock IMethods mock; @Rule public MockitoRule rule = MockitoJUnit.rule().strictness(Strictness.STRICT_STUBS); @Test public void shouldNotAllowUnstubbedMethod() throws Exception { try { mock.simpleMethod(); fail(); } catch (MockitoException e) { assertContains("Unstubbed method", e.getMessage()); } } @Test public void shouldNotAllowUnstubbedVoidMethod() throws Exception { try { mock.voidMethod(); fail(); } catch (MockitoException e) { assertContains("Unstubbed method", e.getMessage()); } } }31Project: mockito Source File: StrictJUnitRuleTest.java License: MIT License 5 votes public class StrictJUnitRuleTest extends TestBase { @Mock IMethods mock; @Rule public MockitoRule rule = MockitoJUnit.rule().strictness(Strictness.STRICT_STUBS); @Test public void shouldNotAllowUnstubbedMethod() throws Exception { try { mock.simpleMethod(); fail(); } catch (MockitoException e) { assertContains("Unstubbed method", e.getMessage()); } } @Test public void shouldNotAllowUnstubbedVoidMethod() throws Exception { try { mock.voidMethod(); fail(); } catch

StrictJUnitRuleTest

Using AI Code Generation

1package org.mockitousage.junitrule;2import org.junit.Rule;3import org.junit.Test;4import org.mockito.Mock;5import org.mockito.junit.MockitoJUnit;6import org.mockito.junit.StrictJUnitRuleTest;7public class UseStrictJUnitRuleTest {8    @Rule public StrictJUnitRuleTest rule = new StrictJUnitRuleTest(MockitoJUnit.rule());9    @Mock private Runnable runnable;10    public void shouldFailBecauseRunnableWasNotUsed() {11    }12}13@Rule public StrictJUnitRuleTest rule = new StrictJUnitRuleTest(MockitoJUnit.rule().strictness(Strictness.STRICT_STUBS));14@Rule public StrictJUnitRuleTest rule = new StrictJUnitRuleTest(MockitoJUnit.rule().strictness(Strictness.STRICT_STUBS).strictness(Strictness.STRICT_STUBS));15First, I'm not sure why I would want to use the StrictJUnitRuleTest class. The MockitoJUnit.rule() method returns a Mockito

StrictJUnitRuleTest

Using AI Code Generation

1public class StrictJUnitRuleTest {2    @Rule public StrictJUnitRule strictJUnitRule = new StrictJUnitRule();3    @Mock private List mock;4    @Test public void shouldFailBecauseOfUnwantedInteraction() {5        mock.add("one");6        mock.clear();7    }8}9Argument(s) are different! Wanted:10mock.clear();11-> at org.mockitousage.junitrule.StrictJUnitRuleTest.shouldFailBecauseOfUnwantedInteraction(StrictJUnitRuleTest.java:25)12mock.add("one");13-> at org.mockitousage.junitrule.StrictJUnitRuleTest.shouldFailBecauseOfUnwantedInteraction(StrictJUnitRuleTest.java:23)14package org.mockitousage.junitrule;15import org.junit.Rule;16import org.junit.Test;17import org.junit.runner.RunWith;18import org.mockito.Mock;19import org.mockito.junit.MockitoJUnitRunner;20import org.mockito.junit.StrictJUnit;21import org.mockito.junit.StrictJUnitRule;22import java.util.List;23@RunWith(MockitoJUnitRunner.Strict.class)24public class StrictJUnitRuleTest {25    @Rule public StrictJUnitRule strictJUnitRule = new StrictJUnitRule();26    @Mock private List mock;27    @Test public void shouldFailBecauseOfUnwantedInteraction() {28        mock.add("one");29        mock.clear();30    }31}

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