Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

How to use assertHasRootCauseExactlyInstanceOf method of org.assertj.core.internal.Throwables class

Best Assertj code snippet using org.assertj.core.internal.Throwables.assertHasRootCauseExactlyInstanceOf

Source:Throwables_assertHasRootCauseExactlyInstanceOf_Test.java

...21import org.junit.jupiter.api.Test;22import org.mockito.Mockito;23/**24 * Tests for25 * {@link org.assertj.core.internal.Throwables#assertHasRootCauseExactlyInstanceOf(org.assertj.core.api.AssertionInfo, Throwable, Class)}26 * .27 *28 * @author Jean-Christophe Gay29 */30public class Throwables_assertHasRootCauseExactlyInstanceOf_Test extends ThrowablesBaseTest {31    private Throwable throwableWithCause = new Throwable(new Exception(new IllegalArgumentException()));32    @Test33    public void should_pass_if_root_cause_is_exactly_instance_of_expected_type() {34        throwables.assertHasRootCauseExactlyInstanceOf(TestData.someInfo(), throwableWithCause, IllegalArgumentException.class);35    }36    @Test37    public void should_fail_if_actual_is_null() {38        Assertions.assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> throwables.assertHasRootCauseExactlyInstanceOf(someInfo(), null, .class)).withMessage(FailureMessages.actualIsNull());39    }40    @Test41    public void should_throw_NullPointerException_if_given_type_is_null() {42        Assertions.assertThatNullPointerException().isThrownBy(() -> throwables.assertHasRootCauseExactlyInstanceOf(someInfo(), throwableWithCause, null)).withMessage("The given type should not be null");43    }44    @Test45    public void should_fail_if_actual_has_no_cause() {46        AssertionInfo info = TestData.someInfo();47        Class<NullPointerException> expectedCauseType = NullPointerException.class;48        try {49            throwables.assertHasRootCauseExactlyInstanceOf(info, ThrowablesBaseTest.actual, expectedCauseType);50        } catch (AssertionError err) {51            Mockito.verify(failures).failure(info, ShouldHaveRootCauseExactlyInstance.shouldHaveRootCauseExactlyInstance(ThrowablesBaseTest.actual, expectedCauseType));52            return;53        }54        TestFailures.failBecauseExpectedAssertionErrorWasNotThrown();55    }56    @Test57    public void should_fail_if_root_cause_is_not_instance_of_expected_type() {58        AssertionInfo info = TestData.someInfo();59        Class<NullPointerException> expectedCauseType = NullPointerException.class;60        try {61            throwables.assertHasRootCauseExactlyInstanceOf(info, throwableWithCause, expectedCauseType);62        } catch (AssertionError err) {63            Mockito.verify(failures).failure(info, ShouldHaveRootCauseExactlyInstance.shouldHaveRootCauseExactlyInstance(throwableWithCause, expectedCauseType));64            return;65        }66        TestFailures.failBecauseExpectedAssertionErrorWasNotThrown();67    }68    @Test69    public void should_fail_if_cause_is_not_exactly_instance_of_expected_type() {70        AssertionInfo info = TestData.someInfo();71        Class<RuntimeException> expectedCauseType = RuntimeException.class;72        try {73            throwables.assertHasRootCauseExactlyInstanceOf(info, throwableWithCause, expectedCauseType);74        } catch (AssertionError err) {75            Mockito.verify(failures).failure(info, ShouldHaveRootCauseExactlyInstance.shouldHaveRootCauseExactlyInstance(throwableWithCause, expectedCauseType));76            return;77        }78        TestFailures.failBecauseExpectedAssertionErrorWasNotThrown();79    }80}...

assertHasRootCauseExactlyInstanceOf

Using AI Code Generation

1public class Throwables_assertHasRootCauseExactlyInstanceOf_Test extends ThrowablesBaseTest {2  public void should_pass_if_root_cause_is_exactly_instance_of_expected_type() {3    throwables.assertHasRootCauseExactlyInstanceOf(someInfo(), new Throwable(new NullPointerException()), NullPointerException.class);4  }5  public void should_fail_if_root_cause_is_not_exactly_instance_of_expected_type() {6    AssertionError error = expectAssertionError(() -> throwables.assertHasRootCauseExactlyInstanceOf(someInfo(), new Throwable(new Exception()), NullPointerException.class));7    assertThat(error).hasMessage(shouldHaveRootCauseExactlyInstance(new Exception(), NullPointerException.class).create());8  }9  public void should_fail_if_root_cause_is_null() {10    AssertionError error = expectAssertionError(() -> throwables.assertHasRootCauseExactlyInstanceOf(someInfo(), new Throwable(null), NullPointerException.class));11    assertThat(error).hasMessage(shouldHaveRootCauseExactlyInstance(null, NullPointerException.class).create());12  }13  public void should_fail_if_actual_is_null() {14    expectException(IllegalArgumentException.class, actualIsNull());15    throwables.assertHasRootCauseExactlyInstanceOf(someInfo(), null, NullPointerException.class);16  }17  public void should_fail_if_expected_type_is_null() {18    expectException(NullPointerException.class, "The expected type should not be null");19    throwables.assertHasRootCauseExactlyInstanceOf(someInfo(), new Throwable(new NullPointerException()), null);20  }21}

assertHasRootCauseExactlyInstanceOf

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.api.ThrowableAssert.ThrowingCallable;3import org.assertj.core.api.ThrowableAssertAlternative;4import org.assertj.core.util.Throwables;5import org.junit.Test;6public class AssertHasRootCauseExactlyInstanceOfTest {7  public void test() {8    ThrowingCallable throwingCallable = () -> {9      throw new IllegalArgumentException("test", new IllegalStateException("cause"));10    };11    ThrowableAssertAlternative<Throwable> throwableAssertAlternative = Assertions.assertThatThrownBy(throwingCallable);12    throwableAssertAlternative.hasRootCauseExactlyInstanceOf(IllegalStateException.class);13  }14}15at org.junit.Assert.assertEquals(Assert.java:115)16at org.junit.Assert.assertEquals(Assert.java:144)17at org.assertj.core.api.ThrowableAssertAlternative.hasRootCauseExactlyInstanceOf(ThrowableAssertAlternative.java:509)18at org.assertj.core.api.ThrowableAssertAlternative.hasRootCauseExactlyInstanceOf(ThrowableAssertAlternative.java:521)19at org.assertj.core.api.ThrowableAssertAlternative.hasRootCauseExactlyInstanceOf(ThrowableAssertAlternative.java:49)20at AssertHasRootCauseExactlyInstanceOfTest.test(AssertHasRootCauseExactlyInstanceOfTest.java:20)21at org.junit.Assert.assertEquals(Assert.java:115)22at org.junit.Assert.assertEquals(Assert.java:144)23at org.assertj.core.api.ThrowableAssertAlternative.hasRootCauseExactlyInstanceOf(ThrowableAssertAlternative.java:509)24at org.assertj.core.api.ThrowableAssertAlternative.hasRootCauseExactlyInstanceOf(ThrowableAssertAlternative.java:521)25at org.assertj.core.api.ThrowableAssertAlternative.hasRootCauseExactlyInstanceOf(ThrowableAssertAlternative.java:49)26at AssertHasRootCauseExactlyInstanceOfTest.test(AssertHasRootCauseExactlyInstanceOfTest.java:20)27at org.junit.Assert.assertEquals(Assert

assertHasRootCauseExactlyInstanceOf

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.api.ThrowableAssert.ThrowingCallable;3import org.assertj.core.api.ThrowableAssertAlternative;4import org.assertj.core.internal.Throwables;5import org.junit.Test;6public class AssertHasRootCauseExactlyInstanceOfTest {7    public void testAssertHasRootCauseExactlyInstanceOf() {8        final Throwables throwables = new Throwables();9        final ThrowableAssertAlternative<Throwable> throwableAssertAlternative = Assertions.assertThat(new Throwable(new Throwable(new Throwable(new Throwable(n

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.