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How to use invocationWith method of org.mockito.internal.stubbing.answers.ReturnsArgumentAtTest class

Best Mockito code snippet using org.mockito.internal.stubbing.answers.ReturnsArgumentAtTest.invocationWith

Source:ReturnsArgumentAtTest.java

...14import static org.junit.Assert.fail;15public class ReturnsArgumentAtTest {16	@Test17	public void should_be_able_to_return_the_first_parameter() throws Throwable {18		assertThat(new ReturnsArgumentAt(0).answer(invocationWith("A", "B"))).isEqualTo("A");19	}20	@Test21	public void should_be_able_to_return_the_second_parameter()22			throws Throwable {23		assertThat(new ReturnsArgumentAt(1).answer(invocationWith("A", "B", "C"))).isEqualTo("B");24	}25	@Test26	public void should_be_able_to_return_the_last_parameter() throws Throwable {27		assertThat(new ReturnsArgumentAt(-1).answer(invocationWith("A"))).isEqualTo("A");28		assertThat(new ReturnsArgumentAt(-1).answer(invocationWith("A", "B"))).isEqualTo("B");29	}30	@Test31	public void should_be_able_to_return_the_specified_parameter() throws Throwable {32		assertThat(new ReturnsArgumentAt(0).answer(invocationWith("A", "B", "C"))).isEqualTo("A");33		assertThat(new ReturnsArgumentAt(1).answer(invocationWith("A", "B", "C"))).isEqualTo("B");34		assertThat(new ReturnsArgumentAt(2).answer(invocationWith("A", "B", "C"))).isEqualTo("C");35	}36	@Test37	public void should_raise_an_exception_if_index_is_not_in_allowed_range_at_creation_time() throws Throwable {38        try {39            new ReturnsArgumentAt(-30);40            fail();41        } catch (Exception e) {42            assertThat(e.getMessage())43                    .containsIgnoringCase("argument index")44                    .containsIgnoringCase("positive number")45                    .contains("1")46                    .containsIgnoringCase("last argument");47        }48    }49	private static InvocationOnMock invocationWith(Object... parameters) {50		return new InvocationBuilder().method("varargsReturningString").argTypes(Object[].class)51 			.args(parameters).toInvocation();52	}53}...

invocationWith

Using AI Code Generation

1import org.junit.Test;2import org.junit.runner.RunWith;3import org.mockito.Mock;4import org.mockito.junit.MockitoJUnitRunner;5import org.mockito.stubbing.Answer;6import static org.junit.Assert.assertEquals;7import static org.mockito.ArgumentMatchers.anyString;8import static org.mockito.Mockito.when;9@RunWith(MockitoJUnitRunner.class)10public class ReturnsArgumentAtTest {11    private Answer<String> answer;12    public void test() {13        when(answer.answer(invocationWith("a", "b"))).thenReturn("b");14        assertEquals("b", answer.answer(invocationWith("a", "b")));15    }16    private static Object invocationWith(Object... arguments) {17        return new Object() {18            public Object[] getArguments() {19                return arguments;20            }21        };22    }23}24-> at com.baeldung.mockito.ReturnsArgumentAtTest.test(ReturnsArgumentAtTest.java:22)25    someMethod(anyObject(), "raw String");26    someMethod(anyObject(), eq("String by matcher"));27test(com.baeldung.mockito.ReturnsArgumentAtTest)  Time elapsed: 0.006 sec  <<< FAILURE!28-> at com.baeldung.mockito.ReturnsArgumentAtTest.test(ReturnsArgumentAtTest.java:22)29    someMethod(anyObject(), "raw String");30    someMethod(anyObject(), eq("String by matcher"));31	at com.baeldung.mockito.ReturnsArgumentAtTest.test(Return

invocationWith

Using AI Code Generation

1public class ReturnsArgumentAtTest {2    public void should_return_argument_at_index() throws Exception {3        ReturnsArgumentAt answer = new ReturnsArgumentAt(1);4        assertEquals("b", answer.answer(invocationWith("a", "b")));5    }6    public void should_return_argument_at_index_zero() throws Exception {7        ReturnsArgumentAt answer = new ReturnsArgumentAt(0);8        assertEquals("a", answer.answer(invocationWith("a", "b")));9    }10    public void should_return_argument_at_negative_index() throws Exception {11        ReturnsArgumentAt answer = new ReturnsArgumentAt(-1);12        assertEquals("b", answer.answer(invocationWith("a", "b")));13    }14    public void should_return_null_for_invalid_index() throws Exception {15        ReturnsArgumentAt answer = new ReturnsArgumentAt(2);16        assertNull(answer.answer(invocationWith("a", "b")));17    }18    private Invocation invocationWith(String... arguments) {19        return new InvocationBuilder().args(arguments).toInvocation();20    }21}22package org.mockito.internal.stubbing.answers;23import org.mockito.invocation.Invocation;24public class ReturnsArgumentAt implements Answer<Object> {25    private final int index;26    public ReturnsArgumentAt(int index) {27        this.index = index;28    }29    public Object answer(Invocation invocation) throws Throwable {30        Object[] args = invocation.getArguments();31        int effectiveIndex = index < 0 ? args.length + index : index;32        return effectiveIndex < args.length ? args[effectiveIndex] : null;33    }34}

invocationWith

Using AI Code Generation

1import org.mockito.internal.stubbing.answers.ReturnsArgumentAt2import org.mockito.internal.stubbing.answers.ReturnsArgumentAtTest3import org.mockito.invocation.InvocationOnMock4import org.mockito.stubbing.Answer5import static org.mockito.Mockito.mock6import static org.mockito.Mockito.when7class ReturnsArgumentAtTest {8    def "test invocationWith"() {9        def mock = mock(List)10        def answer = new ReturnsArgumentAt(0) as Answer11        when(mock.get(0)).thenAnswer(answer.invocationWith(1))12        def result = mock.get(0)13    }14}

invocationWith

Using AI Code Generation

1ReturnsArgumentAtTest returnsArgumentAtTest = new ReturnsArgumentAtTest();2returnsArgumentAtTest.invocationWith(1);3returnsArgumentAtTest.invocationWith(0);4returnsArgumentAtTest.invocationWith(2);5ReturnsArgumentAtTest returnsArgumentAtTest = new ReturnsArgumentAtTest();6returnsArgumentAtTest.invocationWith(1);7returnsArgumentAtTest.invocationWith(0);8returnsArgumentAtTest.invocationWith(2);9ReturnsArgumentAtTest returnsArgumentAtTest = new ReturnsArgumentAtTest();10returnsArgumentAtTest.invocationWith(1);11returnsArgumentAtTest.invocationWith(0);12returnsArgumentAtTest.invocationWith(2);13ReturnsArgumentAtTest returnsArgumentAtTest = new ReturnsArgumentAtTest();14returnsArgumentAtTest.invocationWith(1);15returnsArgumentAtTest.invocationWith(0);16returnsArgumentAtTest.invocationWith(2);17ReturnsArgumentAtTest returnsArgumentAtTest = new ReturnsArgumentAtTest();

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