TestMu Conference is Back! Future of Testing + AI LambdaTest G2 Announcement

How to use Throwable method of org.assertj.core.internal.throwables.Throwables_assertHasRootCauseExactlyInstanceOf_Test class

Best Assertj code snippet using org.assertj.core.internal.throwables.Throwables_assertHasRootCauseExactlyInstanceOf_Test.Throwable

Source:org.assertj.core.internal.throwables.Throwables_assertHasRootCauseExactlyInstanceOf_Test-should_throw_NullPointerException_if_given_type_is_null.java

...16import static org.assertj.core.test.TestFailures.failBecauseExpectedAssertionErrorWasNotThrown;17import static org.assertj.core.util.FailureMessages.actualIsNull;18import static org.mockito.Mockito.verify;19import org.assertj.core.api.AssertionInfo;20import org.assertj.core.internal.ThrowablesBaseTest;21import org.junit.Test;22/**23 * Tests for24 * {@link org.assertj.core.internal.Throwables#assertHasRootCauseExactlyInstanceOf(org.assertj.core.api.AssertionInfo, Throwable, Class)}25 * .26 * 27 * @author Jean-Christophe Gay28 */29public class Throwables_assertHasRootCauseExactlyInstanceOf_Test extends ThrowablesBaseTest {30  private Throwable throwableWithCause = new Throwable(new Exception(new IllegalArgumentException()));31  @Test32  public void should_throw_NullPointerException_if_given_type_is_null() throws Exception {33    thrown.expectNullPointerException("The given type should not be null");34    throwables.assertHasRootCauseExactlyInstanceOf(someInfo(), throwableWithCause, null);35  }36}...

Source:org.assertj.core.internal.throwables.Throwables_assertHasRootCauseExactlyInstanceOf_Test-should_pass_if_root_cause_is_exactly_instance_of_expected_type.java

...16import static org.assertj.core.test.TestFailures.failBecauseExpectedAssertionErrorWasNotThrown;17import static org.assertj.core.util.FailureMessages.actualIsNull;18import static org.mockito.Mockito.verify;19import org.assertj.core.api.AssertionInfo;20import org.assertj.core.internal.ThrowablesBaseTest;21import org.junit.Test;22/**23 * Tests for24 * {@link org.assertj.core.internal.Throwables#assertHasRootCauseExactlyInstanceOf(org.assertj.core.api.AssertionInfo, Throwable, Class)}25 * .26 * 27 * @author Jean-Christophe Gay28 */29public class Throwables_assertHasRootCauseExactlyInstanceOf_Test extends ThrowablesBaseTest {30  private Throwable throwableWithCause = new Throwable(new Exception(new IllegalArgumentException()));31  @Test public void should_pass_if_root_cause_is_exactly_instance_of_expected_type() throws Exception{throwables.assertHasRootCauseExactlyInstanceOf(someInfo(),throwableWithCause,IllegalArgumentException.class);}32}...

Source:org.assertj.core.internal.throwables.Throwables_assertHasRootCauseExactlyInstanceOf_Test-should_fail_if_actual_is_null.java

...16import static org.assertj.core.test.TestFailures.failBecauseExpectedAssertionErrorWasNotThrown;17import static org.assertj.core.util.FailureMessages.actualIsNull;18import static org.mockito.Mockito.verify;19import org.assertj.core.api.AssertionInfo;20import org.assertj.core.internal.ThrowablesBaseTest;21import org.junit.Test;22/**23 * Tests for24 * {@link org.assertj.core.internal.Throwables#assertHasRootCauseExactlyInstanceOf(org.assertj.core.api.AssertionInfo, Throwable, Class)}25 * .26 * 27 * @author Jean-Christophe Gay28 */29public class Throwables_assertHasRootCauseExactlyInstanceOf_Test extends ThrowablesBaseTest {30  private Throwable throwableWithCause = new Throwable(new Exception(new IllegalArgumentException()));31  @Test32  public void should_fail_if_actual_is_null() {33    thrown.expectAssertionError(actualIsNull());34    throwables.assertHasRootCauseExactlyInstanceOf(someInfo(), null, IllegalArgumentException.class);35  }36}...

Throwable

Using AI Code Generation

1package org.assertj.core.internal.throwables;2import static org.assertj.core.api.Assertions.assertThat;3import static org.assertj.core.api.Assertions.catchThrowable;4import static org.assertj.core.error.ShouldHaveRootCauseExactlyInstance.shouldHaveRootCauseExactlyInstance;5import static org.assertj.core.util.FailureMessages.actualIsNull;6import static org.assertj.core.util.Throwables.getRootCause;7import static org.mockito.Mockito.verify;8import java.io.IOException;9import org.assertj.core.api.AssertionInfo;10import org.assertj.core.internal.Throwables;11import org.assertj.core.internal.ThrowablesBaseTest;12import org.junit.Test;13public class Throwables_assertHasRootCauseExactlyInstanceOf_Test extends ThrowablesBaseTest {14  public void should_pass_if_actual_has_root_cause_exactly_of_type() {15    throwables.assertHasRootCauseExactlyInstanceOf(someInfo(), getRootCause(new Exception(new IOException())), IOException.class);16  }17  public void should_fail_if_actual_is_null() {18    thrown.expectAssertionError(actualIsNull());19    throwables.assertHasRootCauseExactlyInstanceOf(someInfo(), null, IOException.class);20  }21  public void should_fail_if_actual_does_not_have_root_cause() {22    AssertionInfo info = someInfo();23    Throwable actual = new Exception();24    Class<? extends Throwable> expectedRootCauseType = IOException.class;25    try {26      throwables.assertHasRootCauseExactlyInstanceOf(info, actual, expectedRootCauseType);27    } catch (AssertionError err) {28      verify(failures).failure(info, shouldHaveRootCauseExactlyInstance(actual, expectedRootCauseType));29      return;30    }31    throw new AssertionError("AssertionError expected");32  }33  public void should_fail_if_actual_has_root_cause_not_exactly_of_type() {34    AssertionInfo info = someInfo();35    Throwable actual = new Exception(new RuntimeException());36    Class<? extends Throwable> expectedRootCauseType = IOException.class;37    try {38      throwables.assertHasRootCauseExactlyInstanceOf(info, actual, expectedRootCauseType);39    } catch (AssertionError err) {40      verify(failures).failure(info, shouldHaveRootCauseExactlyInstance(actual, expectedRootCauseType));41      return;42    }43    throw new AssertionError("AssertionError expected");44  }45  public void should_fail_if_actual_has_root_cause_not_exactly_of_type_in_the_middle_of_the_chain() {46    AssertionInfo info = someInfo();

Throwable

Using AI Code Generation

1package org.assertj.core.internal.throwables;2import static org.assertj.core.api.Assertions.assertThat;3import static org.assertj.core.error.ShouldHaveRootCauseExactlyInstanceOf.shouldHaveRootCauseExactlyInstanceOf;4import static org.assertj.core.test.TestData.someInfo;5import static org.assertj.core.util.FailureMessages.actualIsNull;6import static org.assertj.core.util.Throwables.getRootCause;7import static org.mockito.Mockito.verify;8import org.assertj.core.api.AssertionInfo;9import org.assertj.core.internal.Throwables;10import org.assertj.core.internal.ThrowablesBaseTest;11import org.junit.jupiter.api.Test;12public class Throwables_assertHasRootCauseExactlyInstanceOf_Test extends ThrowablesBaseTest {13  public void should_pass_if_actual_has_root_cause_exactly_of_type() {14    throwables.assertHasRootCauseExactlyInstanceOf(someInfo(), getRootCause(new IllegalArgumentException(new IllegalArgumentException())), IllegalArgumentException.class);15  }16  public void should_fail_if_actual_is_null() {17    AssertionInfo info = someInfo();18    Throwable error = catchThrowable(() -> throwables.assertHasRootCauseExactlyInstanceOf(info, null, IllegalArgumentException.class));19    assertThat(error).isInstanceOf(AssertionError.class);20    verify(failures).failure(info, actualIsNull());21  }22  public void should_fail_if_actual_does_not_have_root_cause() {23    AssertionInfo info = someInfo();24    Throwable actual = new IllegalArgumentException();25    Throwable error = catchThrowable(() -> throwables.assertHasRootCauseExactlyInstanceOf(info, actual, IllegalArgumentException.class));26    assertThat(error).isInstanceOf(AssertionError.class);27    verify(failures).failure(info, shouldHaveRootCauseExactlyInstanceOf(actual, IllegalArgumentException.class));28  }29  public void should_fail_if_actual_has_root_cause_not_exactly_of_type() {30    AssertionInfo info = someInfo();31    Throwable actual = new IllegalArgumentException(new RuntimeException());32    Throwable error = catchThrowable(() -> throwables.assertHasRootCauseExactlyInstanceOf(info, actual, IllegalArgumentException.class));33    assertThat(error).isInstanceOf(AssertionError.class);34    verify(failures).failure(info, shouldHaveRootCauseExactlyInstanceOf(actual, IllegalArgumentException.class));35  }36}

Throwable

Using AI Code Generation

1package org.assertj.core.internal.throwables;2import static org.mockito.Mockito.verify;3import org.assertj.core.api.AssertionInfo;4import org.assertj.core.internal.Throwables;5import org.assertj.core.internal.ThrowablesBaseTest;6import org.junit.Test;7public class Throwables_assertHasRootCauseExactlyInstanceOf_Test extends ThrowablesBaseTest {8  public void should_delegate_to_Throwables_assertHasRootCauseInstanceOf() {9    throwables.assertHasRootCauseExactlyInstanceOf(someInfo(), actual, NullPointerException.class);10    verify(throwables).assertHasRootCauseInstanceOf(getInfo(assertions), actual, NullPointerException.class);11  }12}13package org.assertj.core.internal.throwables;14import static org.assertj.core.api.Assertions.assertThat;15import static org.assertj.core.error.ShouldHaveRootCause.shouldHaveRootCause;16import static org.assertj.core.test.TestData.someInfo;17import static org.assertj.core.util.FailureMessages.actualIsNull;18import static org.mockito.Mockito.verify;19import org.assertj.core.api.AssertionInfo;20import org.assertj.core.internal.Throwables;21import org.assertj.core.internal.ThrowablesBaseTest;22import org.junit.Test;23public class Throwables_assertHasRootCauseInstanceOf_Test extends ThrowablesBaseTest {24  public void should_pass_if_actual_has_root_cause_of_type() {25    throwables.assertHasRootCauseInstanceOf(someInfo(), actual, IllegalArgumentException.class);26  }27  public void should_pass_if_actual_has_root_cause_of_type_in_hierarchy() {28    throwables.assertHasRootCauseInstanceOf(someInfo(), actual, Exception.class);29  }30  public void should_fail_if_actual_is_null() {31    thrown.expectAssertionError(actualIsNull());32    throwables.assertHasRootCauseInstanceOf(someInfo(), null, Exception.class);33  }34  public void should_fail_if_actual_does_not_have_root_cause() {35    thrown.expectAssertionError(shouldHaveRootCause(actual));36    throwables.assertHasRootCauseInstanceOf(someInfo(), actual, Exception.class);37  }38  public void should_fail_if_actual_has_root_cause_of_different_type() {39    AssertionInfo info = someInfo();40    try {41      throwables.assertHasRootCauseInstanceOf(info, actual, IllegalStateException.class);42    } catch (AssertionError err) {43      verify(failures).failure(info

Throwable

Using AI Code Generation

1package org.assertj.core.internal.throwables;2import org.assertj.core.api.AssertionInfo;3import org.assertj.core.internal.Throwables;4import org.assertj.core.internal.ThrowablesBaseTest;5import org.junit.jupiter.api.Test;6import static org.assertj.core.api.Assertions.assertThatExceptionOfType;7import static org.assertj.core.api.Assertions.assertThatNullPointerException;8import static org.assertj.core.error.ShouldHaveRootCauseExactlyInstanceOf.shouldHaveRootCauseExactlyInstance;9import static org.assertj.core.internal.ErrorMessages.*;10import static org.assertj.core.test.TestData.someInfo;11import static org.assertj.core.util.FailureMessages.actualIsNull;12import static org.mockito.Mockito.verify;13public class Throwables_assertHasRootCauseExactlyInstanceOf_Test extends ThrowablesBaseTest {14  public void should_pass_if_actual_has_root_cause_exactly_of_type() {15    throwables.assertHasRootCauseExactlyInstanceOf(someInfo(), new Throwable(new NullPointerException()), NullPointerException.class);16  }17  public void should_pass_if_actual_has_root_cause_exactly_of_type_in_hierarchy() {18    throwables.assertHasRootCauseExactlyInstanceOf(someInfo(), new Throwable(new RuntimeException()), Exception.class);19  }20  public void should_fail_if_actual_is_null() {21    assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> throwables.assertHasRootCauseExactlyInstanceOf(someInfo(), null, NullPointerException.class))22                                                   .withMessage(actualIsNull());23  }24  public void should_throw_error_if_expected_type_is_null() {25    assertThatNullPointerException().isThrownBy(() -> throwables.assertHasRootCauseExactlyInstanceOf(someInfo(), new Throwable(), null))26                                    .withMessage(typeToLookForIsNull());27  }28  public void should_fail_if_actual_has_no_root_cause() {29    AssertionInfo info = someInfo();30    Throwable actual = new Throwable();31    Class<? extends Throwable> expectedRootCause = NullPointerException.class;32    assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> throwables.assertHasRootCauseExactlyInstanceOf(info, actual, expectedRootCause))33                                                   .withMessage(shouldHaveRootCauseExactlyInstance(actual, expectedRootCause).create());34    verify(failures).failure(info, shouldHaveRootCauseExactlyInstance(actual, expectedRootCause));35  }36  public void should_fail_if_actual_root_cause_is_not_of_type() {37    AssertionInfo info = someInfo();38    Throwable actual = new Throwable(new IllegalArgumentException());

Throwable

Using AI Code Generation

1public class Test {2    public static void main(String[] args) {3        Throwable throwable = new Throwable();4        Throwable rootCause = new Throwable();5        Assertions.assertThat(throwable).hasRootCauseExactlyInstanceOf(rootCause.getClass());6    }7}8	at org.assertj.core.internal.throwables.Throwables_assertHasRootCauseExactlyInstanceOf_Test.should_fail_if_actual_has_no_root_cause(Throwables_assertHasRootCauseExactlyInstanceOf_Test.java:72)9	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)10	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)11	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)12	at java.lang.reflect.Method.invoke(Method.java:566)13	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)14	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)15	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)16	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)17	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)18	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)19	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)20	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)21	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)22	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)23	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)24	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)25	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)26	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)27	at org.junit.runners.ParentRunner.run(ParentRunner.java:363)28	at org.junit.runner.JUnitCore.run(JUnitCore.java:137)

Throwable

Using AI Code Generation

1public void test1() throws Throwable {2    Object o_8_0 = org.assertj.core.internal.throwables.Throwables_assertHasRootCauseExactlyInstanceOf_Test.class;3    Object o_10_0 = org.assertj.core.internal.throwables.Throwables_assertHasRootCauseExactlyInstanceOf_Test.class.getCanonicalName();4    Object o_12_0 = org.assertj.core.internal.throwables.Throwables_assertHasRootCauseExactlyInstanceOf_Test.class.getName();5    Object o_14_0 = org.assertj.core.internal.throwables.Throwables_assertHasRootCauseExactlyInstanceOf_Test.class.getSimpleName();6    Object o_16_0 = org.assertj.core.internal.throwables.Throwables_assertHasRootCauseExactlyInstanceOf_Test.class.getTypeName();7    Object o_18_0 = org.assertj.core.internal.throwables.Throwables_assertHasRootCauseExactlyInstanceOf_Test.class.getClassLoader();8    Object o_20_0 = org.assertj.core.internal.throwables.Throwables_assertHasRootCauseExactlyInstanceOf_Test.class.getModifiers();9    Object o_22_0 = org.assertj.core.internal.throwables.Throwables_assertHasRootCauseExactlyInstanceOf_Test.class.getPackage();10    Object o_24_0 = org.assertj.core.internal.throwables.Throwables_assertHasRootCauseExactlyInstanceOf_Test.class.getSigners();11    Object o_26_0 = org.assertj.core.internal.throwables.Throwables_assertHasRootCauseExactlyInstanceOf_Test.class.getSuperclass();12    Object o_28_0 = org.assertj.core.internal.throwables.Throwables_assertHasRootCauseExactlyInstanceOf_Test.class.getInterfaces();13    Object o_30_0 = org.assertj.core.internal.throwables.Throwables_assertHasRootCauseExactlyInstanceOf_Test.class.getComponentType();14    Object o_32_0 = org.assertj.core.internal.throwables.Throwables_assertHasRootCauseExactlyInstanceOf_Test.class.getDeclaredClasses();

Throwable

Using AI Code Generation

1public class Test {2    public void test1() {3        Throwable t = new Throwable();4        assertThat(t).hasRootCauseExactlyInstanceOf(Throwable.class);5    }6}7public class Test {8    public void test2() {9        Throwable t = new Throwable();10        assertThat(t).hasRootCauseExactlyInstanceOf(Throwable.class);11    }12}13public class Test {14    public void test3() {15        Throwable t = new Throwable();16        assertThat(t).hasRootCauseExactlyInstanceOf(Throwable.class);17    }18}19public class Test {20    public void test4() {21        Throwable t = new Throwable();22        assertThat(t).hasRootCauseExactlyInstanceOf(Throwable.class);23    }24}25public class Test {26    public void test5() {27        Throwable t = new Throwable();28        assertThat(t).hasRootCauseExactlyInstanceOf(Throwable.class);29    }30}31public class Test {32    public void test6() {33        Throwable t = new Throwable();34        assertThat(t).hasRootCauseExactlyInstanceOf(Throwable.class);35    }36}37public class Test {38    public void test7() {39        Throwable t = new Throwable();40        assertThat(t).hasRootCauseExactlyInstanceOf(Throwable.class);41    }42}43public class Test {44    public void test8() {45        Throwable t = new Throwable();

Throwable

Using AI Code Generation

1package org.assertj.core.internal.throwables;2import static org.assertj.core.api.Assertions.assertThat;3import static org.assertj.core.error.ShouldHaveRootCauseExactlyInstanceOf.shouldHaveRootCauseExactlyInstance;4import static org.assertj.core.test.ExpectedException.none;5import static org.assertj.core.util.FailureMessages.actualIsNull;6import static org.assertj.core.util.Throwables.*;7import static org.mockito.Mockito.verify;8import org.assertj.core.api.AssertionInfo;9import org.assertj.core.api.ThrowableAssert.ThrowingCallable;10import org.assertj.core.internal.Throwables;11import org.assertj.core.internal.ThrowablesBaseTest;12import org.assertj.core.test.ExpectedException;13import org.junit.Rule;14import org.junit.Test;15public class Throwables_assertHasRootCauseExactlyInstanceOf_Test extends ThrowablesBaseTest {16  public ExpectedException thrown = none();17  protected Throwables createThrowables() {18    return new Throwables();19  }20  public void should_pass_if_actual_has_root_cause_exactly_of_type() {21    throwables.assertHasRootCauseExactlyInstanceOf(someInfo(), throwableWithCause, Exception.class);22  }23  public void should_fail_if_actual_is_null() {24    thrown.expectAssertionError(actualIsNull());25    throwables.assertHasRootCauseExactlyInstanceOf(someInfo(), null, Exception.class);26  }27  public void should_fail_if_actual_has_no_cause() {28    AssertionInfo info = someInfo();29    ThrowingCallable code = () -> throwables.assertHasRootCauseExactlyInstanceOf(info, actual, Exception.class);30    thrown.expectAssertionError(shouldHaveRootCauseExactlyInstance(actual, Exception.class));31    code.call();32  }33  public void should_fail_if_actual_has_root_cause_of_type() {34    AssertionInfo info = someInfo();35    ThrowingCallable code = () -> throwables.assertHasRootCauseExactlyInstanceOf(info, throwableWithCause, RuntimeException.class);36    thrown.expectAssertionError(shouldHaveRootCauseExactlyInstance(throwableWithCause, RuntimeException.class));37    code.call();38  }39  public void should_fail_if_actual_has_root_cause_not_exactly_of_type() {40    AssertionInfo info = someInfo();41    ThrowingCallable code = () -> throwables.assertHasRootCauseExactlyInstanceOf(info, throwableWithCause, IllegalStateException.class);42    thrown.expectAssertionError(shouldHaveRootCauseExactlyInstance(throwableWithCause

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.