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How to use withCause method of org.assertj.core.internal.throwables.Throwables_assertHasCauseReference_Test class

Best Assertj code snippet using org.assertj.core.internal.throwables.Throwables_assertHasCauseReference_Test.withCause

Source:Throwables_assertHasCauseReference_Test.java

...29  @Test30  void should_pass_if_actual_cause_and_expected_cause_are_the_same_instance() {31    // GIVEN32    Throwable cause = new IllegalArgumentException("wibble");33    Throwable throwable = withCause(cause);34    // WHEN35    throwables.assertHasCauseReference(INFO, throwable, cause);36    // THEN37    // no exception thrown38  }39  @Test40  void should_pass_if_both_actual_and_expected_causes_are_null() {41    // GIVEN42    Throwable cause = null;43    Throwable throwable = withCause(cause);44    // WHEN45    throwables.assertHasCauseReference(INFO, throwable, cause);46    // THEN47    // no exception thrown48  }49  @SuppressWarnings("unused")50  @ParameterizedTest(name = "{2}: cause = {0} / expected = {1}")51  @MethodSource("failingData")52  void should_fail_if_cause_is_not_same_as_expected(final Throwable cause,53                                                           final Throwable expected,54                                                           String testDescription) {55    // GIVEN56    final Throwable throwable = withCause(cause);57    // WHEN58    expectAssertionError(() -> throwables.assertHasCauseReference(INFO, throwable, expected));59    // THEN60    verify(failures).failure(INFO, shouldHaveCauseReference(cause, expected));61  }62  private static Stream<Arguments> failingData() {63    return Stream.of(Arguments.of(null, new Throwable(), "no actual cause"),64                     Arguments.of(new Throwable(), new Throwable(), "same type different instance"),65                     Arguments.of(new Throwable(), null, "expecting null cause"),66                     Arguments.of(new IllegalArgumentException(), new IndexOutOfBoundsException(), "different types"));67  }68  @Test69  void should_fail_if_actual_is_null() {70    // GIVEN71    final Throwable throwable = null;72    final Throwable cause = new Throwable();73    // WHEN74    AssertionError actual = expectAssertionError(() -> throwables.assertHasCauseReference(INFO, throwable, cause));75    // THEN76    assertThat(actual).hasMessage(actualIsNull());77  }78  private static Throwable withCause(Throwable cause) {79    return new Throwable("bang!", cause);80  }81}...

withCause

Using AI Code Generation

1package org.assertj.core.internal.throwables;2import static org.assertj.core.api.Assertions.assertThat;3import static org.assertj.core.error.ShouldHaveCause.shouldHaveCause;4import static org.assertj.core.test.TestData.someInfo;5import static org.assertj.core.util.AssertionsUtil.expectAssertionError;6import static org.assertj.core.util.FailureMessages.actualIsNull;7import org.assertj.core.api.AssertionInfo;8import org.assertj.core.internal.ThrowablesBaseTest;9import org.junit.Test;10public class Throwables_assertHasCauseReference_Test extends ThrowablesBaseTest {11  public void should_pass_if_actual_has_expected_cause() {12    throwables.assertHasCause(someInfo(), actual, cause);13  }14  public void should_fail_if_actual_is_null() {15    actual = null;16    AssertionError error = expectAssertionError(() -> throwables.assertHasCause(someInfo(), actual, cause));17    assertThat(error).hasMessage(actualIsNull());18  }19  public void should_fail_if_actual_has_no_cause() {20    actual = new RuntimeException();21    AssertionError error = expectAssertionError(() -> throwables.assertHasCause(someInfo(), actual, cause));22    assertThat(error).hasMessage(shouldHaveCause(actual, cause).create());23  }24  public void should_fail_if_actual_has_different_cause() {25    actual = new RuntimeException(new IllegalArgumentException());26    AssertionError error = expectAssertionError(() -> throwables.assertHasCause(someInfo(), actual, cause));27    assertThat(error).hasMessage(shouldHaveCause(actual, cause).create());28  }29  public void should_fail_if_actual_has_same_cause_but_different_instance() {30    actual = new RuntimeException(new IllegalArgumentException());31    AssertionError error = expectAssertionError(() -> throwables.assertHasCause(someInfo(), actual, new IllegalArgumentException()));32    assertThat(error).hasMessage(shouldHaveCause(actual, new IllegalArgumentException()).create());33  }34}

withCause

Using AI Code Generation

1throwables_assertHasCauseReference_Test.useCauseMethod();2throwables_assertHasCauseReference_Test.useCauseInstanceOfMethod();3throwables_assertHasCauseReference_Test.useCauseInstanceOfAnyMethod();4throwables_assertHasCauseReference_Test.useCauseMessageMethod();5throwables_assertHasCauseReference_Test.useCauseMessageContainingMethod();6throwables_assertHasCauseReference_Test.useCauseMessageStartingWithMethod();7throwables_assertHasCauseReference_Test.useCauseMessageEndingWithMethod();8throwables_assertHasCauseReference_Test.useCauseMessageEqualToMethod();9throwables_assertHasCauseReference_Test.useCauseMessageNotContainingMethod();10throwables_assertHasCauseReference_Test.useCauseMessageNotStartingWithMethod();11throwables_assertHasCauseReference_Test.useCauseMessageNotEndingWithMethod();12throwables_assertHasCauseReference_Test.useCauseMessageNotEqualToMethod();13throwables_assertHasCauseReference_Test.useCauseMessageMatchingMethod();

withCause

Using AI Code Generation

1package org.assertj.core.internal.throwables;2import static org.assertj.core.api.Assertions.assertThat;3import static org.assertj.core.error.ShouldHaveCause.shouldHaveCause;4import static org.assertj.core.test.TestData.someInfo;5import static org.assertj.core.util.FailureMessages.actualIsNull;6import static org.assertj.core.util.Throwables.getStackTrace;7import static org.mockito.Mockito.verify;8import org.assertj.core.api.AssertionInfo;9import org.assertj.core.internal.Throwables;10import org.assertj.core.internal.ThrowablesBaseTest;11import org.junit.Test;12public class Throwables_assertHasCause_Test extends ThrowablesBaseTest {13  public void should_pass_if_actual_has_expected_cause() {14    throwables.assertHasCause(someInfo(), throwableWithCause, throwableWithCause.getCause());15  }16  public void should_pass_if_actual_has_expected_cause_with_null_message() {17    throwables.assertHasCause(someInfo(), throwableWithCause, throwableWithCause.getCause());18  }19  public void should_fail_if_actual_has_expected_cause_with_different_message() {20    AssertionInfo info = someInfo();21    Throwable cause = new Throwable("different cause");22    try {23      throwables.assertHasCause(info, throwableWithCause, cause);24    } catch (AssertionError e) {25      verify(failures).failure(info, shouldHaveCause(throwableWithCause, cause));26      return;27    }28    failBecauseExpectedAssertionErrorWasNotThrown();29  }30  public void should_fail_if_actual_has_expected_cause_with_different_stack_trace() {31    AssertionInfo info = someInfo();32    Throwable cause = new Throwable();33    cause.setStackTrace(new StackTraceElement[] { new StackTraceElement("someClass", "someMethod", "someFile", 1) });34    try {35      throwables.assertHasCause(info, throwableWithCause, cause);36    } catch (AssertionError e) {37      verify(failures).failure(info, shouldHaveCause(throwableWithCause, cause));38      return;39    }40    failBecauseExpectedAssertionErrorWasNotThrown();41  }42  public void should_fail_if_actual_has_expected_cause_with_different_type() {43    AssertionInfo info = someInfo();44    Throwable cause = new IllegalArgumentException();45    try {46      throwables.assertHasCause(info, throwableWithCause

withCause

Using AI Code Generation

1@DisplayName("Throwables assertHasCauseReference")2class ThrowablesAssertHasCauseReferenceTest {3    @DisplayName("should pass when cause is the expected one")4    void should_pass_when_cause_is_the_expected_one() {5        Throwable throwable = new Throwable("boom!", new IllegalArgumentException("boom!"));6        assertThat(throwable).hasCauseInstanceOf(IllegalArgumentException.class);7    }8    @DisplayName("should fail when cause is not the expected one")9    void should_fail_when_cause_is_not_the_expected_one() {10        Throwable throwable = new Throwable("boom!", new IllegalArgumentException("boom!"));11        AssertionError assertionError = expectAssertionError(() -> assertThat(throwable).hasCauseInstanceOf(NullPointerException.class));12        then(assertionError).hasMessage(shouldHaveCauseInstanceOf(throwable, NullPointerException.class).create());13    }14}15@DisplayName("Throwables assertHasCauseInstanceOf")16class ThrowablesAssertHasCauseInstanceOfTest {17    @DisplayName("should pass when cause is the expected one")18    void should_pass_when_cause_is_the_expected_one() {19        Throwable throwable = new Throwable("boom!", new IllegalArgumentException("boom!"));20        assertThat(throwable).hasCauseInstanceOf(IllegalArgumentException.class);21    }22    @DisplayName("should fail when cause is not the expected one")23    void should_fail_when_cause_is_not_the_expected_one() {24        Throwable throwable = new Throwable("boom!", new IllegalArgumentException("boom!"));25        AssertionError assertionError = expectAssertionError(() -> assertThat(throwable).hasCauseInstanceOf(NullPointerException.class));26        then(assertionError).hasMessage(shouldHaveCauseInstanceOf(throwable, NullPointerException.class).create());27    }28}29@DisplayName("Throwables assertHasCause")30class ThrowablesAssertHasCauseTest {31    @DisplayName("should pass when cause is the expected one")32    void should_pass_when_cause_is_the_expected_one() {33        Throwable throwable = new Throwable("boom!", new IllegalArgumentException("

withCause

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.junit.jupiter.api.Test;3import java.io.IOException;4import java.io.FileNotFoundException;5public class Throwables_assertHasCauseReference_Test {6public void should_pass_if_actual_has_given_cause() {7    Throwable cause = new IOException("boom!");8    Throwable actual = new Throwable(cause);9    Assertions.assertThat(actual).hasCause(cause);10}11public void should_fail_if_actual_has_different_cause() {12    Throwable cause = new IOException("boom!");13    Throwable actual = new Throwable(cause);14    Assertions.assertThatThrownBy(() -> Assertions.assertThat(actual).hasCause(new FileNotFoundException("boom!")))15        .isInstanceOf(AssertionError.class)16        .hasMessage("Expecting actual's cause to be reference to <java.io.FileNotFoundException: boom!>, but was <java.io.IOException: boom!>.");17}18public void should_fail_if_actual_has_no_cause() {19    Throwable actual = new Throwable();20    Assertions.assertThatThrownBy(() -> Assertions.assertThat(actual).hasCause(new FileNotFoundException("boom!")))21        .isInstanceOf(AssertionError.class)22        .hasMessage("Expecting actual's cause to be reference to <java.io.FileNotFoundException: boom!>, but was null.");23}24public void should_fail_if_actual_is_null() {25    Assertions.assertThatThrownBy(() -> Assertions.assertThat((Throwable) null).hasCause(new FileNotFoundException("boom!")))26        .isInstanceOf(AssertionError.class)27        .hasMessage("Expecting actual not to be null");28}29public void should_fail_if_cause_is_null() {30    Assertions.assertThatThrownBy(() -> Assertions.assertThat(new Throwable()).hasCause(null))31        .isInstanceOf(IllegalArgumentException.class)32        .hasMessage("The expected cause should not be null");33}34}

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