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

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

Source:Throwables_assertHasCause_Test.java

...19import org.assertj.core.util.AssertionsUtil;20import org.assertj.core.util.FailureMessages;21import org.junit.jupiter.api.Test;22import org.mockito.Mockito;23public class Throwables_assertHasCause_Test extends ThrowablesBaseTest {24    private static final AssertionInfo INFO = TestData.someInfo();25    @Test26    public void should_pass_if_cause_has_expected_type_and_message() {27        // GIVEN28        Throwable cause = new IllegalArgumentException("wibble");29        Throwable expected = new IllegalArgumentException("wibble");30        Throwable throwable = Throwables_assertHasCause_Test.withCause(cause);31        // WHEN32        throwables.assertHasCause(Throwables_assertHasCause_Test.INFO, throwable, expected);33        // THEN34        // no exception thrown35    }36    @Test37    public void should_pass_if_actual_has_no_cause_and_expected_cause_is_null() {38        // GIVEN39        Throwable cause = null;40        Throwable expected = null;41        Throwable throwable = Throwables_assertHasCause_Test.withCause(cause);42        // WHEN43        throwables.assertHasCause(Throwables_assertHasCause_Test.INFO, throwable, expected);44        // THEN45        // no exception thrown46    }47    // @format:on48    @Test49    public void should_fail_if_expected_cause_is_null() {50        // GIVEN51        final Throwable throwable = Throwables_assertHasCause_Test.withCause(new Throwable());52        final Throwable expected = null;53        // WHEN54        AssertionsUtil.expectAssertionError(() -> throwables.assertHasCause(INFO, throwable, expected));55        // THEN56        Mockito.verify(failures).failure(Throwables_assertHasCause_Test.INFO, ShouldHaveNoCause.shouldHaveNoCause(throwable));57    }58    @Test59    public void should_fail_if_actual_is_null() {60        // GIVEN61        final Throwable throwable = null;62        final Throwable expected = new Throwable();63        // WHEN64        AssertionError actual = AssertionsUtil.expectAssertionError(() -> throwables.assertHasCause(INFO, throwable, expected));65        // THEN66        Assertions.assertThat(actual).hasMessage(FailureMessages.actualIsNull());67    }68}

assertHasCause

Using AI Code Generation

1assertThatExceptionOfType(IOException.class).isThrownBy(() -> {2  throw new IOException(new NullPointerException());3}).assertHasCause(new NullPointerException());4assertThatExceptionOfType(IOException.class).isThrownBy(() -> {5  throw new IOException(new NullPointerException());6}).assertHasCauseInstanceOf(NullPointerException.class);7assertThatExceptionOfType(IOException.class).isThrownBy(() -> {8  throw new IOException(new NullPointerException());9}).assertHasCauseExactlyInstanceOf(NullPointerException.class);10assertThatExceptionOfType(IOException.class).isThrownBy(() -> {11  throw new IOException(new NullPointerException());12}).assertHasNoCause();13assertThatExceptionOfType(IOException.class).isThrownBy(() -> {14  throw new IOException(new NullPointerException());15}).assertHasMessage("IOException message");16assertThatExceptionOfType(IOException.class).isThrownBy(() -> {17  throw new IOException(new NullPointerException());18}).assertHasMessageContaining("IOException");19assertThatExceptionOfType(IOException.class).isThrownBy(() -> {20  throw new IOException(new NullPointerException());21}).assertHasMessageMatching("IOException.*");22assertThatExceptionOfType(IOException.class).isThrownBy(() -> {23  throw new IOException(new NullPointerException());24}).assertHasMessageStartingWith("IOException");25assertThatExceptionOfType(IOException.class).isThrownBy(() -> {26  throw new IOException(new NullPointerException());27}).assertHasMessageEndingWith("message");28assertThatExceptionOfType(IOException.class).isThrownBy(() -> {29  throw new IOException(new NullPointerException());30}).assertHasMessage("IOException message").assertHasCauseInstanceOf(NullPointerException.class);31assertThatExceptionOfType(IOException.class).isThrownBy(() -> {32  throw new IOException(new NullPointerException());33}).assertHasCauseInstanceOf(NullPointerException.class).assertHasMessage("IOException message");34assertThatExceptionOfType(IOException.class).isThrownBy(() -> {35  throw new IOException(new NullPointerException());36}).assertHasCauseInstanceOf(NullPointerException.class).assertHasMessage("IOException message").assertHasNoCause();37assertThatExceptionOfType(IOException.class).isThrownBy(() -> {38  throw new IOException(new NullPointerException());39}).assertHasStackTraceContaining("NullPointerException");40assertThatExceptionOfType(IOException.class).isThrownBy(() -> {41  throw new IOException(new NullPointerException());42}).assertHasNoCause().assertHasStackTraceContaining("NullPointerException");43assertThatExceptionOfType(IOException.class).isThrownBy(() -> {44  throw new IOException(new NullPointerException());45}).assertHasCauseInstanceOf(NullPointerException.class).assertHasStackTraceContaining("NullPointerException");46assertThatExceptionOfType(IOException.class).isThrownBy(() -> {47  throw new IOException(new NullPointerException());48}).assertHasCauseExactlyInstanceOf(NullPointerException.class).assertHasStackTrace

assertHasCause

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.internal.Throwables;3import org.junit.jupiter.api.Test;4public class AssertHasCauseTest {5    public void test() {6        Throwable actual = new Throwable(new Throwable("actual cause"));7        Throwable expectedCause = new Throwable("expected cause");8        Assertions.assertThatThrownBy(() -> new Throwables().assertHasCause(Assertions.info(), actual, expectedCause))9                .isInstanceOf(AssertionError.class)10                .hasMessageContaining("expecting a cause with message:").hasMessageContaining("expected cause")11                .hasMessageContaining("but was:").hasMessageContaining("actual cause");12    }13}

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