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

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}

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.