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How to use hasRootCause method of org.assertj.core.api.AbstractThrowableAssert class

Best Assertj code snippet using org.assertj.core.api.AbstractThrowableAssert.hasRootCause

Source:AbstractThrowableAssert.java

...598   * <pre><code class='java'> Throwable invalidArgException = new IllegalArgumentException("invalid arg");599   * Throwable throwable = new Throwable(new RuntimeException(invalidArgException));600   *601   * // This assertion succeeds:602   * assertThat(throwable).hasRootCause(invalidArgException);603   *604   * // These assertions fail:605   * assertThat(throwable).hasRootCause(new IllegalArgumentException("bad arg"));606   * assertThat(throwable).hasRootCause(new RuntimeException());607   * assertThat(throwable).hasRootCause(null); // prefer hasNoCause()</code></pre>608   *609   * @param cause the expected root cause610   * @return this assertion object.611   * @throws AssertionError if the actual {@code Throwable} is {@code null}.612   * @throws AssertionError if the actual {@code Throwable} has not the given cause.613   * @since 3.12.0614   */615  public SELF hasRootCause(Throwable cause) {616    throwables.assertHasRootCause(info, actual, cause);617    return myself;618  }619  /**620   * Verifies that the root cause of the actual {@code Throwable} is an instance of the given type.621   * <p>622   * Example:623   * <pre><code class='java'> Throwable throwable = new Throwable(new IllegalStateException(new NullPointerException()));624   *625   * // assertions will pass626   * assertThat(throwable).hasRootCauseInstanceOf(NullPointerException.class);627   * assertThat(throwable).hasRootCauseInstanceOf(RuntimeException.class);628   *629   * // assertion will fail630   * assertThat(throwable).hasRootCauseInstanceOf(IllegalStateException.class);</code></pre>631   *632   * @param type the expected cause type.633   * @return this assertion object.634   * @throws NullPointerException if given type is {@code null}.635   * @throws AssertionError if the actual {@code Throwable} is {@code null}.636   * @throws AssertionError if the actual {@code Throwable} has no cause.637   * @throws AssertionError if the cause of the actual {@code Throwable} is not an instance of the given type.638   */639  public SELF hasRootCauseInstanceOf(Class<? extends Throwable> type) {640    throwables.assertHasRootCauseInstanceOf(info, actual, type);641    return myself;642  }643  /**644   * Verifies that the root cause of the actual {@code Throwable} is <b>exactly</b> an instance of the given type.645   * <p>646   * Example:647   * <pre><code class='java'> Throwable throwable = new Throwable(new IllegalStateException(new NullPointerException()));648   *649   * // assertion will pass650   * assertThat(throwable).hasRootCauseExactlyInstanceOf(NullPointerException.class);651   *652   * // assertions will fail (even if NullPointerException is a RuntimeException since we want an exact match)653   * assertThat(throwable).hasRootCauseExactlyInstanceOf(RuntimeException.class);654   * assertThat(throwable).hasRootCauseExactlyInstanceOf(IllegalStateException.class);</code></pre>655   *656   * @param type the expected cause type.657   * @return this assertion object.658   * @throws NullPointerException if given type is {@code null}.659   * @throws AssertionError if the actual {@code Throwable} is {@code null}.660   * @throws AssertionError if the actual {@code Throwable} has no cause.661   * @throws AssertionError if the root cause of the actual {@code Throwable} is not <b>exactly</b> an instance of the662   *           given type.663   */664  public SELF hasRootCauseExactlyInstanceOf(Class<? extends Throwable> type) {665    throwables.assertHasRootCauseExactlyInstanceOf(info, actual, type);666    return myself;667  }668  /**669   * Verifies that the message of the root cause of the actual {@code Throwable} is equal to the given one.670   * <p>671   * Example:672   * <pre><code class='java'> Throwable throwable = new Throwable(new IllegalStateException(new NullPointerException("object")));673   *674   * // assertion will pass675   * assertThat(throwable).hasRootCauseMessage("object");676   *677   * // assertions will fail678   * assertThat((Throwable) null).hasRootCauseMessage("object");679   * assertThat(throwable).hasRootCauseMessage("another object");680   * assertThat(new Throwable()).hasRootCauseMessage("object");681   * assertThat(new Throwable(new NullPointerException())).hasRootCauseMessage("object");</code></pre>682   *683   * @param message the expected root cause message.684   * @return this assertion object.685   * @throws AssertionError if the actual {@code Throwable} is {@code null}.686   * @throws AssertionError if the root cause of the actual {@code Throwable} is {@code null}.687   * @throws AssertionError if the message of the root cause of the actual {@code Throwable} is not equal to688   *                        the given one.689   * @since 3.14.0690   */691  public SELF hasRootCauseMessage(String message) {692    throwables.assertHasRootCauseMessage(info, actual, message);693    return myself;694  }695  /**696   * Verifies that the message of the root cause of the actual {@code Throwable} is equal to the given one, after697   * being formatted using {@link String#format(String, Object...)} method.698   * <p>699   * Example:700   * <pre><code class='java'>Throwable throwable = new Throwable(new IllegalStateException(new NullPointerException("expected message")));701   *702   * // assertion will pass703   * assertThat(throwable).hasRootCauseMessage("%s %s", "expected", "message");704   *705   * // assertions will fail706   * assertThat((Throwable) null).hasRootCauseMessage("%s %s", "expected", "message");707   * assertThat(throwable).hasRootCauseMessage("%s", "message");708   * assertThat(new Throwable()).hasRootCauseMessage("%s %s", "expected", "message");709   * assertThat(new Throwable(new NullPointerException())).hasRootCauseMessage("%s %s", "expected", "message");</code></pre>710   *711   * @param message the expected root cause message.712   * @param parameters argument referenced by the format specifiers in the format string.713   * @return this assertion object.714   * @throws AssertionError if the actual {@code Throwable} is {@code null}.715   * @throws AssertionError if the root cause of the actual {@code Throwable} is {@code null}.716   * @throws AssertionError if the message of the root cause of the actual {@code Throwable} is not equal to the given one.717   * @throws IllegalFormatException if the message contains an illegal syntax according to {@link String#format(String, Object...)}.718   * @since 3.14.0719   */720  public SELF hasRootCauseMessage(String message, Object... parameters) {721    return hasRootCauseMessage(format(message, parameters));722  }723  /**724   * Verifies that the actual {@code Throwable} has no suppressed exceptions.725   * <p>726   * Example:727   * <pre><code class='java'> // assertion will pass728   * assertThat(new Throwable()).hasNoSuppressedExceptions();729   *730   * // assertion will fail731   * Throwable throwableWithSuppressedException = new Throwable();732   * throwableWithSuppressedException.addSuppressed(new IllegalArgumentException());733   * assertThat(throwableWithSuppressedException).hasNoSuppressedExceptions();</code></pre>734   *735   * @return this assertion object....

hasRootCause

Using AI Code Generation

1assertThatExceptionOfType(NullPointerException.class)2  .isThrownBy(() -> {3    throw new NullPointerException("boom!");4  })5  .withMessage("boom!")6  .hasRootCauseInstanceOf(IllegalStateException.class);7assertThatExceptionOfType(NullPointerException.class)8  .isThrownBy(() -> {9    throw new NullPointerException("boom!", new IllegalStateException("boom!"));10  })11  .withMessage("boom!")12  .hasRootCauseInstanceOf(IllegalStateException.class);13assertThatExceptionOfType(NullPointerException.class)14  .isThrownBy(() -> {15    throw new NullPointerException("boom!", new IllegalStateException("boom!"));16  })17  .withMessage("boom!")18  .hasRootCauseInstanceOf(IllegalStateException.class)19  .hasRootCauseMessage("boom!");20assertThatExceptionOfType(NullPointerException.class)21  .isThrownBy(() -> {22    throw new NullPointerException("boom!", new IllegalStateException("boom!", new IllegalArgumentException("boom!")));23  })24  .withMessage("boom!")25  .hasRootCauseInstanceOf(IllegalStateException.class)26  .hasRootCauseMessage("boom!")27  .hasRootCause(new Condition<Throwable>(t -> t.getCause() instanceof IllegalArgumentException, "cause is an IllegalArgumentException"));28assertThatExceptionOfType(NullPointerException.class)29  .isThrownBy(() -> {30    throw new NullPointerException("boom!", new IllegalStateException("boom!", new IllegalArgumentException("boom!")));31  })32  .withMessage("boom!")33  .hasRootCauseInstanceOf(IllegalStateException.class)34  .hasRootCauseMessage("boom!")35  .hasRootCause(new Condition<Throwable>(t -> t.getCause() instanceof IllegalArgumentException, "cause is an IllegalArgumentException"))36  .hasRootCause(new Condition<Throwable>(t -> t.getCause().getMessage().equals("boom!"), "cause message is 'boom!'"));37assertThatExceptionOfType(NullPointerException.class)38  .isThrownBy(() -> {39    throw new NullPointerException("boom!", new IllegalStateException("boom!", new IllegalArgumentException("boom!")));40  })41  .withMessage("boom!")42  .hasRootCauseInstanceOf(IllegalStateException.class)43  .hasRootCauseMessage("boom!")44  .hasRootCause(new Condition<Throwable>(t -> t.getCause() instanceof IllegalArgumentException, "cause is an IllegalArgumentException"))45  .hasRootCause(new Condition<Throwable>(t -> t.getCause().getMessage().equals("boom!"), "cause message is 'boom!'"))46  .hasRootCause(new Condition<Throwable>(t -> t.getCause().getMessage().equals("boom!

hasRootCause

Using AI Code Generation

1import org.assertj.core.api.Assertions.*2import org.junit.Test3class Test {4    fun test() {5        assertThatExceptionOfType(Exception::class.java)6                .isThrownBy { throw Exception() }7                .hasRootCauseInstanceOf(Exception::class.java)8    }9}

hasRootCause

Using AI Code Generation

1assertThatThrownBy(() -> {throw new Exception("foo");})2  .hasRootCauseInstanceOf(Exception.class)3  .hasRootCauseMessage("foo");4assertThatThrownBy(() -> {throw new Exception("foo");})5  .hasRootCauseMessage("foo");6assertThatThrownBy(() -> {throw new Exception("foo");})7  .hasRootCauseInstanceOf(Exception.class);8assertThatThrownBy(() -> {throw new Exception("foo");})9  .hasMessageContaining("foo");10assertThatThrownBy(() -> {throw new Exception("foo");})11  .hasMessage("foo");12assertThatThrownBy(() -> {throw new Exception("foo");})13  .hasStackTraceContaining("foo");14assertThatThrownBy(() -> {throw new Exception("foo");})15  .hasCauseInstanceOf(Exception.class);16assertThatThrownBy(() -> {throw new Exception("foo");})17  .hasCause(new Exception("foo"));18assertThatThrownBy(() -> {throw new Exception("foo");})19  .hasMessageStartingWith("foo");20assertThatThrownBy(() -> {throw new Exception("foo");})21  .hasMessageEndingWith("foo");22assertThatThrownBy(() -> {throw new Exception("foo");})23  .hasCauseMessage("foo");24assertThatThrownBy(() -> {throw new Exception("foo");})25  .hasCauseMessageContaining("foo");

hasRootCause

Using AI Code Generation

1import org.assertj.core.api.AbstractThrowableAssert2import org.assertj.core.api.Assertions.assertThat3import org.junit.Test4class AssertJTest {5    fun test() {6        val exception = IllegalArgumentException("Test")7        assertThat(exception).hasRootCauseInstanceOf(IllegalStateException::class.java)8    }9}10import org.assertj.core.api.AbstractThrowableAssert11import org.assertj.core.api.Assertions.assertThat12import org.junit.Test13class AssertJTest {14    fun test() {15        val exception = IllegalArgumentException("Test")16        assertThat(exception).hasRootCauseInstanceOf(IllegalStateException::class.java)17    }18}19import org.assertj.core.api.AbstractThrowableAssert20import org.assertj.core.api.Assertions.assertThat21import org.junit.Test22class AssertJTest {23    fun test() {24        val exception = IllegalArgumentException("Test")25        assertThat(exception).hasRootCauseInstanceOf(IllegalStateException::class.java)26    }27}28import org.assertj.core.api.AbstractThrowableAssert29import org.assertj.core.api.Assertions.assertThat30import org.junit.Test31class AssertJTest {32    fun test() {33        val exception = IllegalArgumentException("Test")34        assertThat(exception).hasRootCauseInstanceOf(IllegalStateException::class.java)35    }36}37import org.assertj.core.api.AbstractThrowableAssert38import org.assertj.core.api.Assertions.assertThat39import org.junit.Test40class AssertJTest {41    fun test() {42        val exception = IllegalArgumentException("Test")43        assertThat(exception).hasRootCauseInstanceOf(IllegalStateException::class.java)44    }45}46import org.assertj.core.api.AbstractThrowableAssert47import org.assertj.core.api.Assertions.assertThat48import org.junit.Test49class AssertJTest {50    fun test() {51        val exception = IllegalArgumentException("Test")52        assertThat(exception).hasRootCauseInstanceOf(IllegalStateException::class.java)53    }54}55import org.assertj.core.api.AbstractThrowableAssert56import org.assertj.core.api.Assertions.assertThat57import

hasRootCause

Using AI Code Generation

1    public void testAssertJException() {2        assertThatThrownBy(() -> {3            throw new Exception("Exception thrown");4        }).hasRootCauseInstanceOf(Exception.class);5    }6    public void testJunitException() {7        Throwable exception = assertThrows(Exception.class, () -> {8            throw new Exception("Exception thrown");9        });10        Assertions.hasRootCause(exception, Exception.class);11    }12    public void testJunitAssertException() {13        Throwable exception = assertThrows(Exception.class, () -> {14            throw new Exception("Exception thrown");15        });16        Assert.hasRootCause(exception, Exception.class);17    }18    public void testJunitAssertException() {19        Throwable exception = assertThrows(Exception.class, () -> {20            throw new Exception("Exception thrown");21        });22        Assert.hasRootCause(exception, Exception.class);23    }24    public void testHamcrestException() {25        Throwable exception = assertThrows(Exception.class, () -> {26            throw new Exception("Exception thrown");27        });28        MatcherAssert.assertThat(exception, ExceptionMatchers.hasRootCause(Exception.class));29    }30    public void testHamcrestException() {31        Throwable exception = assertThrows(Exception.class, () -> {32            throw new Exception("Exception thrown");33        });34        MatcherAssert.assertThat(exception, ExceptionMatchers.hasRootCause(Exception.class));35    }36}37	at org.junit.jupiter.api.AssertThrows.assertThrows(AssertThrows.java:68)38	at org.junit.jupiter.api.AssertThrows.assertThrows(AssertThrows.java:44)39	at org.junit.jupiter.api.Assertions.assertThrows(Assertions.java:1346)40	at org.junit.jupiter.api.Assertions.assertThrows(Assertions.java:1331)41	at com.baeldung.assertj.exception.AssertJExceptionTest.testJunitException(AssertJExceptionTest.java:14)

hasRootCause

Using AI Code Generation

1assertThatExceptionOfType(IllegalArgumentException.class)2    .isThrownBy(() -> {3        throw new IllegalArgumentException("something went wrong", new IllegalArgumentException("something went wrong"));4    })5    .withMessageContaining("something went wrong")6    .withNoCause()7    .withRootCauseInstanceOf(IllegalArgumentException.class)8    .withRootCauseMessage("something went wrong");9assertThatExceptionOfType(IllegalArgumentException.class)10    .isThrownBy(() -> {11        throw new IllegalArgumentException("something went wrong", new IllegalArgumentException("something went wrong"));12    })13    .withMessageContaining("something went wrong")14    .withNoCause()15    .hasRootCauseInstanceOf(IllegalArgumentException.class)16    .withRootCauseMessage("something went wrong");17assertThatExceptionOfType(IllegalArgumentException.class)18    .isThrownBy(() -> {19        throw new IllegalArgumentException("something went wrong", new IllegalArgumentException("something went wrong"));20    })21    .withMessageContaining("something went wrong")22    .withNoCause()23    .hasRootCauseInstanceOf(IllegalArgumentException.class)24    .hasRootCauseMessage("something went wrong");25assertThatExceptionOfType(IllegalArgumentException.class)26    .isThrownBy(() -> {27        throw new IllegalArgumentException("something went wrong", new IllegalArgumentException("something went wrong"));28    })29    .withMessageContaining("something went wrong")30    .withNoCause()31    .hasRootCauseInstanceOf(IllegalArgumentException.class)32    .withRootCauseMessage("something went wrong");

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