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

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

Source:Throwables_assertHasNoCause_Test.java

...19import org.assertj.core.util.FailureMessages;20import org.junit.jupiter.api.Test;21import org.mockito.Mockito;22/**23 * Tests for <code>{@link Throwables#assertHasNoCause(AssertionInfo, Throwable, Class)}</code>.24 *25 * @author Joel Costigliola26 */27public class Throwables_assertHasNoCause_Test extends ThrowablesBaseTest {28    @Test29    public void should_pass_if_actual_has_no_cause() {30        throwables.assertHasNoCause(TestData.someInfo(), ThrowablesBaseTest.actual);31    }32    @Test33    public void should_fail_if_actual_is_null() {34        Assertions.assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> throwables.assertHasNoCause(someInfo(), null)).withMessage(FailureMessages.actualIsNull());35    }36    @Test37    public void should_fail_if_actual_has_a_cause() {38        AssertionInfo info = TestData.someInfo();39        Throwable throwableWithCause = new Throwable(new NullPointerException());40        try {41            throwables.assertHasNoCause(info, throwableWithCause);42            Assertions.fail("AssertionError expected");43        } catch (AssertionError err) {44            Mockito.verify(failures).failure(info, ShouldHaveNoCause.shouldHaveNoCause(throwableWithCause));45        }46    }47}

assertHasNoCause

Using AI Code Generation

1org.assertj.core.api.Assertions.assertThatThrownBy(() -> { throw new Exception("boom!"); }).hasNoCause();2org.assertj.core.api.Assertions.assertThatThrownBy(() -> { throw new Exception("boom!", new IllegalArgumentException("boom!")); }).hasCauseInstanceOf(IllegalArgumentException.class);3org.assertj.core.api.Assertions.assertThatThrownBy(() -> { throw new Exception("boom!", new IllegalArgumentException("boom!")); }).hasCauseInstanceOf(IllegalArgumentException.class);4org.assertj.core.api.Assertions.assertThatThrownBy(() -> { throw new Exception("boom!", new IllegalArgumentException("boom!")); }).hasCauseInstanceOf(IllegalArgumentException.class);5org.assertj.core.api.Assertions.assertThatThrownBy(() -> { throw new Exception("boom!", new IllegalArgumentException("boom!")); }).hasCauseInstanceOf(IllegalArgumentException.class);6org.assertj.core.api.Assertions.assertThatThrownBy(() -> { throw new Exception("boom!", new IllegalArgumentException("boom!")); }).hasCauseInstanceOf(IllegalArgumentException.class);7org.assertj.core.api.Assertions.assertThatThrownBy(() -> { throw new Exception("boom!", new IllegalArgumentException("boom!")); }).hasCauseInstanceOf(IllegalArgumentException.class);8org.assertj.core.api.Assertions.assertThatThrownBy(() -> { throw new Exception("boom!", new IllegalArgumentException("boom!")); }).hasCauseInstanceOf(IllegalArgumentException.class);9org.assertj.core.api.Assertions.assertThatThrownBy(() -> { throw new Exception("boom!", new IllegalArgumentException("boom!")); }).hasCauseInstanceOf(IllegalArgumentException.class);10org.assertj.core.api.Assertions.assertThatThrownBy(() -> { throw new Exception("boom!", new IllegalArgumentException("boom!")); }).hasCauseInstanceOf(IllegalArgumentException.class);11org.assertj.core.api.Assertions.assertThatThrownBy(() -> { throw new Exception("boom!",

assertHasNoCause

Using AI Code Generation

1public class AssertJThrowablesTest {2    public void testAssertHasNoCause() {3        Throwable throwable = new Throwable(new Exception("exception message"));4        assertThat(throwable).hasNoCause();5    }6}7public class AssertJThrowablesTest {8    public void testAssertHasCauseInstanceOf() {9        Throwable throwable = new Throwable(new Exception("exception message"));10        assertThat(throwable).hasCauseInstanceOf(Exception.class);11    }12}13public class AssertJThrowablesTest {14    public void testAssertHasCauseExactlyInstanceOf() {15        Throwable throwable = new Throwable(new Exception("exception message"));16        assertThat(throwable).hasCauseExactlyInstanceOf(Exception.class);17    }18}

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