KaneAI - World’s First E2E Software Testing Agent.Signup for Private Beta Join TestMu Conference

How to use withRootCause method of org.assertj.core.internal.throwables.Throwables_assertHasRootCause_Test class

Best Assertj code snippet using org.assertj.core.internal.throwables.Throwables_assertHasRootCause_Test.withRootCause

Source:Throwables_assertHasRootCause_Test.java

...36    @Test37    public void should_fail_if_expected_root_cause_is_null() {38        // GIVEN39        Throwable rootCause = new NullPointerException();40        final Throwable throwable = Throwables_assertHasRootCause_Test.withRootCause(rootCause);41        final Throwable expected = null;42        // WHEN43        AssertionsUtil.expectAssertionError(() -> throwables.assertHasRootCause(INFO, throwable, expected));44        // THEN45        Mockito.verify(failures).failure(Throwables_assertHasRootCause_Test.INFO, ShouldHaveNoCause.shouldHaveNoCause(throwable));46    }47}...

withRootCause

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.api.ThrowableAssert;3import org.assertj.core.api.ThrowableAssert.ThrowingCallable;4import org.assertj.core.internal.throwables.Throwables_assertHasRootCause_Test;5import org.junit.jupiter.api.Test;6public class AssertJRootCause {7	public void test() {8		ThrowingCallable callable = () -> {9			throw new RuntimeException("outer message", new RuntimeException("inner message"));10		};11		ThrowableAssert throwableAssert = Assertions.assertThatThrownBy(callable);12		Throwables_assertHasRootCause_Test throwables_assertHasRootCause_Test = new Throwables_assertHasRootCause_Test();13		throwables_assertHasRootCause_Test.assertHasRootCause(throwableAssert, RuntimeException.class, "inner message");14	}15}

withRootCause

Using AI Code Generation

1public class Throwables_assertHasRootCause_Test extends ThrowablesBaseTest {2  public void should_pass_if_actual_has_root_cause() {3    throwables.assertHasRootCause(someInfo(), actual, new IllegalArgumentException("root cause"));4  }5  public void should_fail_if_actual_has_no_root_cause() {6    assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> throwables.assertHasRootCause(someInfo(), actual, new NullPointerException("root cause")))7                                                   .withMessage(shouldHaveRootCause(actual, new NullPointerException("root cause")).create());8  }9  public void should_fail_if_actual_has_different_root_cause() {10    assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> throwables.assertHasRootCause(someInfo(), actual, new NullPointerException("root cause")))11                                                   .withMessage(shouldHaveRootCause(actual, new NullPointerException("root cause")).create());12  }13  public void should_fail_if_actual_has_no_cause() {14    assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> throwables.assertHasRootCause(someInfo(), new IllegalArgumentException("message"), new NullPointerException("root cause")))15                                                   .withMessage(shouldHaveRootCause(new IllegalArgumentException("message"), new NullPointerException("root cause")).create());16  }17  public void should_fail_if_actual_is_null() {18    assertThatNullPointerException().isThrownBy(() -> throwables.assertHasRootCause(someInfo(), null, new NullPointerException("root cause")))19                                    .withMessage(actualIsNull());20  }21  public void should_fail_if_expected_root_cause_is_null() {22    assertThatNullPointerException().isThrownBy(() -> throwables.assertHasRootCause(someInfo(), actual, null))23                                    .withMessage("The expected root cause should not be null");24  }25}

withRootCause

Using AI Code Generation

1    public void should_pass_if_actual_has_expected_root_cause() {2        throwables.assertHasRootCause(someInfo(), actual, expectedCause);3    }4    public void should_fail_if_actual_has_no_cause() {5        AssertionInfo info = someInfo();6        try {7            throwables.assertHasRootCause(info, actual, expectedCause);8        } catch (AssertionError e) {9            verify(failures).failure(info, shouldHaveRootCause(actual, expectedCause));10            return;11        }12        failBecauseExpectedAssertionErrorWasNotThrown();13    }14    public void should_fail_if_actual_has_no_root_cause() {15        AssertionInfo info = someInfo();16        Throwable rootCause = new Throwable("root cause");17        Throwable cause = new Throwable("cause", rootCause);18        actual.initCause(cause);19        try {20            throwables.assertHasRootCause(info, actual, expectedCause);21        } catch (AssertionError e) {22            verify(failures).failure(info, shouldHaveRootCause(actual, expectedCause));23            return;24        }25        failBecauseExpectedAssertionErrorWasNotThrown();26    }27    public void should_fail_if_actual_has_a_different_root_cause() {28        AssertionInfo info = someInfo();29        Throwable rootCause = new Throwable("root cause");30        Throwable cause = new Throwable("cause", rootCause);31        Throwable expectedRootCause = new Throwable("expected root cause");32        actual.initCause(cause);33        try {34            throwables.assertHasRootCause(info, actual, expectedRootCause);35        } catch (AssertionError e) {36            verify(failures).failure(info, shouldHaveRootCause(actual, expectedRootCause));37            return;38        }39        failBecauseExpectedAssertionErrorWasNotThrown();40    }41    public void should_fail_if_actual_is_null() {42        thrown.expectAssertionError(actualIsNull());43        throwables.assertHasRootCause(someInfo(), null, expectedCause);44    }45    public void should_fail_if_expected_cause_is_null() {46        thrown.expectNullPointerException("The expected root cause should not be null");47        throwables.assertHasRootCause(someInfo(), actual, null);48    }

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.