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How to use ShouldHaveCauseInstance method of org.assertj.core.error.ShouldHaveCauseInstance class

Best Assertj code snippet using org.assertj.core.error.ShouldHaveCauseInstance.ShouldHaveCauseInstance

Source:Throwables_assertHasCauseInstanceOf_Test.java

...12 */13package org.assertj.core.internal.throwables;14import org.assertj.core.api.AssertionInfo;15import org.assertj.core.api.Assertions;16import org.assertj.core.error.ShouldHaveCauseInstance;17import org.assertj.core.internal.ThrowablesBaseTest;18import org.assertj.core.test.TestData;19import org.assertj.core.test.TestFailures;20import org.assertj.core.util.FailureMessages;21import org.junit.jupiter.api.Test;22import org.mockito.Mockito;23/**24 * Tests for25 * {@link org.assertj.core.internal.Throwables#assertHasCauseInstanceOf(org.assertj.core.api.AssertionInfo, Throwable, Class)}26 * .27 *28 * @author Jean-Christophe Gay29 */30public class Throwables_assertHasCauseInstanceOf_Test extends ThrowablesBaseTest {31    private Throwable throwableWithCause = new Throwable(new IllegalArgumentException());32    @Test33    public void should_pass_if_cause_is_exactly_instance_of_expected_type() {34        throwables.assertHasCauseInstanceOf(TestData.someInfo(), throwableWithCause, IllegalArgumentException.class);35    }36    @Test37    public void should_pass_if_cause_is_instance_of_expected_type() {38        throwables.assertHasCauseInstanceOf(TestData.someInfo(), throwableWithCause, RuntimeException.class);39    }40    @Test41    public void should_fail_if_actual_is_null() {42        Assertions.assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> throwables.assertHasCauseInstanceOf(someInfo(), null, .class)).withMessage(FailureMessages.actualIsNull());43    }44    @Test45    public void should_throw_NullPointerException_if_given_type_is_null() {46        Assertions.assertThatNullPointerException().isThrownBy(() -> throwables.assertHasCauseInstanceOf(someInfo(), throwableWithCause, null)).withMessage("The given type should not be null");47    }48    @Test49    public void should_fail_if_actual_has_no_cause() {50        AssertionInfo info = TestData.someInfo();51        Class<NullPointerException> expectedCauseType = NullPointerException.class;52        try {53            throwables.assertHasCauseInstanceOf(info, ThrowablesBaseTest.actual, expectedCauseType);54        } catch (AssertionError err) {55            Mockito.verify(failures).failure(info, ShouldHaveCauseInstance.shouldHaveCauseInstance(ThrowablesBaseTest.actual, expectedCauseType));56            return;57        }58        TestFailures.failBecauseExpectedAssertionErrorWasNotThrown();59    }60    @Test61    public void should_fail_if_cause_is_not_instance_of_expected_type() {62        AssertionInfo info = TestData.someInfo();63        Class<NullPointerException> expectedCauseType = NullPointerException.class;64        try {65            throwables.assertHasCauseInstanceOf(info, throwableWithCause, expectedCauseType);66        } catch (AssertionError err) {67            Mockito.verify(failures).failure(info, ShouldHaveCauseInstance.shouldHaveCauseInstance(throwableWithCause, expectedCauseType));68            return;69        }70        TestFailures.failBecauseExpectedAssertionErrorWasNotThrown();71    }72}...

Source:ShouldHaveCauseInstance.java

...18 * a certain type.19 * 20 * @author Jean-Christophe Gay21 */22public class ShouldHaveCauseInstance extends BasicErrorMessageFactory {23  /**24   * Creates a new <code>{@link org.assertj.core.error.BasicErrorMessageFactory}</code>.25   * 26   * @param actual the actual value in the failed assertion.27   * @param expectedCauseType the expected cause type.28   * @return the created {@code ErrorMessageFactory}.29   */30  public static ErrorMessageFactory shouldHaveCauseInstance(Throwable actual,31                                                            Class<? extends Throwable> expectedCauseType) {32    return actual.getCause() == null33        ? new ShouldHaveCauseInstance(expectedCauseType)34        : new ShouldHaveCauseInstance(actual, expectedCauseType);35  }36  private ShouldHaveCauseInstance(Throwable actual, Class<? extends Throwable> expectedCauseType) {37    super("%nExpecting a throwable with cause being an instance of:%n" +38          "  %s%n" +39          "but was an instance of:%n" +40          "  %s%n" +41          "Throwable that failed the check:%n" +42          "%n" + escapePercent(getStackTrace(actual)),43          expectedCauseType, actual.getCause().getClass());44  }45  private ShouldHaveCauseInstance(Class<? extends Throwable> expectedCauseType) {46    super("%nExpecting a throwable with cause being an instance of:%n" +47          "  %s%n" +48          "but current throwable has no cause.",49          expectedCauseType);50  }51}...

ShouldHaveCauseInstance

Using AI Code Generation

1package org.assertj.core.error;2import org.assertj.core.internal.TestDescription;3import org.junit.jupiter.api.Test;4import static org.assertj.core.api.Assertions.assertThatThrownBy;5import static org.assertj.core.error.ShouldHaveCauseInstance.shouldHaveCauseInstance;6import static org.assertj.core.util.AssertionsUtil.expectAssertionError;7public class ShouldHaveCauseInstance_Test {8public void should_create_error_message() {9Throwable error = expectAssertionError(() -> assertThatThrownBy(() -> {10throw new IllegalArgumentException("boom");11}).isInstanceOf(RuntimeException.class));12assertThat(error).hasMessage(shouldHaveCauseInstance(IllegalArgumentException.class, RuntimeException.class).create(new TestDescription("TEST"), new TestDescription("Check")));13}14}15package org.assertj.core.error;16import org.assertj.core.internal.TestDescription;17import org.junit.jupiter.api.Test;18import static org.assertj.core.api.Assertions.assertThatThrownBy;19import static org.assertj.core.error.ShouldHaveCauseInstance.shouldHaveCauseInstance;20import static org.assertj.core.util.AssertionsUtil.expectAssertionError;21public class ShouldHaveCauseInstance_Test {22public void should_create_error_message() {23Throwable error = expectAssertionError(() -> assertThatThrownBy(() -> {24throw new IllegalArgumentException("boom");25}).isInstanceOf(RuntimeException.class));26assertThat(error).hasMessage(shouldHaveCauseInstance(IllegalArgumentException.class, RuntimeException.class).create(new TestDescription("TEST"), new TestDescription("Check")));27}28}29package org.assertj.core.error;30import org.assertj.core.internal.TestDescription;31import org.junit.jupiter.api.Test;32import static org.assertj.core.api.Assertions.assertThatThrownBy;33import static org.assertj.core.error.ShouldHaveCauseInstance.shouldHaveCauseInstance;34import static org.assertj.core.util.AssertionsUtil.expectAssertionError;35public class ShouldHaveCauseInstance_Test {36public void should_create_error_message() {37Throwable error = expectAssertionError(() -> assertThatThrownBy(() -> {38throw new IllegalArgumentException("boom");39}).isInstanceOf(RuntimeException.class));40assertThat(error).hasMessage(shouldHaveCauseInstance(IllegalArgumentException.class, RuntimeException.class).create(new TestDescription("TEST"), new TestDescription("Check")));41}42}

ShouldHaveCauseInstance

Using AI Code Generation

1package org.assertj.core.error;2import org.assertj.core.internal.TestDescription;3import org.assertj.core.presentation.StandardRepresentation;4import org.junit.Test;5import static org.assertj.core.api.Assertions.assertThat;6public class ShouldHaveCauseInstanceTest {7public void should_create_error_message() {8String message = ShouldHaveCauseInstance.shouldHaveCauseInstance(new TestDescription("Test"), new StandardRepresentation(), new Throwable("boom"), new Throwable("boom")).create(new TestDescription("Test"), new StandardRepresentation());9assertThat(message).isEqualTo("[Test] %n" +10" Throwable with message:\"boom\"%n");11}12}13package org.assertj.core.error;14import org.assertj.core.internal.TestDescription;15import org.assertj.core.presentation.StandardRepresentation;16import org.junit.Test;17import static org.assertj.core.api.Assertions.assertThat;18public class ShouldHaveCauseInstanceOfTest {19public void should_create_error_message() {20String message = ShouldHaveCauseInstanceOf.shouldHaveCauseInstanceOf(new TestDescription("Test"), new StandardRepresentation(), new Throwable("boom"), new Throwable("boom")).create(new TestDescription("Test"), new StandardRepresentation());21assertThat(message).isEqualTo("[Test] %n" +22" Throwable with message:\"boom\"%n");23}24}25package org.assertj.core.error;26import org.assertj.core.internal.TestDescription;27import org.assertj.core.presentation.StandardRepresentation;28import org.junit.Test;29import static org.assertj.core.api.Assertions.assertThat;30public class ShouldHaveCauseMessageTest {31public void should_create_error_message() {32String message = ShouldHaveCauseMessage.shouldHaveCauseMessage(new TestDescription("Test"), new StandardRepresentation(), new Throwable("boom"), "boom").create(new TestDescription("Test"), new

ShouldHaveCauseInstance

Using AI Code Generation

1package org.assertj.core.error;2import static org.assertj.core.util.Throwables.getStackTrace;3import org.assertj.core.api.AssertionInfo;4import org.assertj.core.internal.TestDescription;5import org.assertj.core.presentation.StandardRepresentation;6import org.assertj.core.util.Throwables;7import org.junit.Test;8public class ShouldHaveCauseInstanceTest {9  public void should_create_error_message() {10    Throwable actualCause = new IllegalArgumentException("boom!");11    Throwable actual = Throwables.propagate(actualCause);12    String message = ShouldHaveCauseInstance.shouldHaveCauseInstance(actual, IllegalStateException.class).create(new TestDescription("TEST"), new StandardRepresentation());13    System.out.println(message);14  }15}16  at org.assertj.core.util.Throwables.propagate(Throwables.java:33)17  at org.assertj.core.error.ShouldHaveCauseInstanceTest.should_create_error_message(ShouldHaveCauseInstanceTest.java:20)18  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)19  at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)20  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)21  at java.lang.reflect.Method.invoke(Method.java:498)22  at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)23  at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)24  at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)25  at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)26  at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)27  at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)28  at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)29  at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)30  at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)31  at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)32  at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)33  at org.junit.runners.ParentRunner.access$000(ParentRunner

ShouldHaveCauseInstance

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.junit.Test;3import org.junit.runner.RunWith;4import org.junit.runners.JUnit4;5@RunWith(JUnit4.class)6public class ShouldHaveCauseInstanceTest {7    public void test1() {8        Assertions.assertThatThrownBy(() -> {9            throw new RuntimeException();10        }).hasCauseInstanceOf(RuntimeException.class);11    }12}13	at org.junit.Assert.assertEquals(Assert.java:115)14	at org.junit.Assert.assertEquals(Assert.java:144)15	at org.assertj.core.error.ShouldHaveCauseInstance.newAssertionError(ShouldHaveCauseInstance.java:50)16	at org.assertj.core.error.ShouldHaveCauseInstance.newAssertionError(ShouldHaveCauseInstance.java:38)17	at org.assertj.core.internal.Throwables.assertHasCauseInstanceOf(Throwables.java:183)18	at org.assertj.core.api.ThrowableAssert.hasCauseInstanceOf(ThrowableAssert.java:196)19	at org.assertj.core.api.ThrowableAssert.hasCauseInstanceOf(ThrowableAssert.java:48)20	at ShouldHaveCauseInstanceTest.test1(ShouldHaveCauseInstanceTest.java:16)21	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)22	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)23	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)24	at java.lang.reflect.Method.invoke(Method.java:498)25	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)26	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)27	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)28	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)29	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)30	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)31	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)32	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)

ShouldHaveCauseInstance

Using AI Code Generation

1package org.assertj.core.error;2public class ShouldHaveCauseInstance extends BasicErrorMessageFactory {3  private static final String SHOULD_HAVE_CAUSE_INSTANCE = "%nExpecting%n <%s>%nto have cause instance of:%n <%s>%nbut was instance of:%n <%s>.";4  public static ErrorMessageFactory shouldHaveCauseInstance(Throwable actual, Class<? extends Throwable> expectedCauseType, Class<? extends Throwable> actualCauseType) {5    return new ShouldHaveCauseInstance(actual, expectedCauseType, actualCauseType);6  }7  private ShouldHaveCauseInstance(Throwable actual, Class<? extends Throwable> expectedCauseType, Class<? extends Throwable> actualCauseType) {8    super(SHOULD_HAVE_CAUSE_INSTANCE, actual, expectedCauseType, actualCauseType);9  }10}11package org.assertj.core.api;12public class ThrowableAssert extends AbstractThrowableAssert<ThrowableAssert, Throwable> {13  public ThrowableAssert(Throwable actual) {14    super(actual, ThrowableAssert.class);15  }16  public ThrowableAssert hasCauseInstanceOf(Class<? extends Throwable> expectedCauseType) {17    assertHasCauseInstanceOf(info, actual, expectedCauseType);18    return myself;19  }20  public ThrowableAssert hasCauseInstanceOf(Class<? extends Throwable> expectedCauseType, String description, Object... args) {21    assertHasCauseInstanceOf(info, actual, expectedCauseType);22    return myself;23  }24  public ThrowableAssert hasNoCause() {25    assertHasNoCause(info, actual);26    return myself;27  }28  public ThrowableAssert hasNoCause(String description, Object... args) {29    assertHasNoCause(info, actual);30    return myself;31  }32  public ThrowableAssert hasMessage(String expectedMessage) {33    assertHasMessage(info, actual, expectedMessage);34    return myself;35  }36  public ThrowableAssert hasMessage(String expectedMessage, String description, Object... args) {37    assertHasMessage(info, actual, expectedMessage);38    return myself;39  }40  public ThrowableAssert hasMessageContaining(String expectedMessage) {41    assertHasMessageContaining(info, actual, expectedMessage);42    return myself;43  }44  public ThrowableAssert hasMessageContaining(String expectedMessage, String description, Object... args) {45    assertHasMessageContaining(info, actual, expectedMessage);46    return myself;47  }48  public ThrowableAssert hasMessageStartingWith(String expectedMessage) {49    assertHasMessageStartingWith(info, actual, expectedMessage);50    return myself;

ShouldHaveCauseInstance

Using AI Code Generation

1package org.assertj.core.error;2import static org.assertj.core.api.Assertions.assertThat;3import java.io.IOException;4import org.junit.jupiter.api.Test;5public class ShouldHaveCauseInstanceTest {6  public void test1() {7    Throwable throwable = new Throwable(new IOException());8    assertThat(throwable).hasCauseInstanceOf(IOException.class);9  }10}

ShouldHaveCauseInstance

Using AI Code Generation

1import org.assertj.core.error.ShouldHaveCauseInstance;2import org.assertj.core.description.Description;3import org.assertj.core.description.TextDescription;4import org.assertj.core.presentation.StandardRepresentation;5import org.assertj.core.presentation.Representation;6public class AssertjCoreErrorShouldHaveCauseInstance {7	public static void shouldHaveCauseInstance() {8		ShouldHaveCauseInstance shouldHaveCauseInstance = new ShouldHaveCauseInstance();9		System.out.println(shouldHaveCauseInstance);10	}11	public static void shouldHaveCauseInstance1() {12		ShouldHaveCauseInstance shouldHaveCauseInstance = new ShouldHaveCauseInstance(new Throwable());13		System.out.println(shouldHaveCauseInstance);14	}15	public static void shouldHaveCauseInstance2() {16		ShouldHaveCauseInstance shouldHaveCauseInstance = new ShouldHaveCauseInstance(new Throwable(), new Throwable());17		System.out.println(shouldHaveCauseInstance);18	}19	public static void shouldHaveCauseInstance3() {20		ShouldHaveCauseInstance shouldHaveCauseInstance = new ShouldHaveCauseInstance(new Throwable(), new Throwable(),21				new StandardRepresentation());22		System.out.println(shouldHaveCauseInstance);23	}24	public static void shouldHaveCauseInstance4() {25		ShouldHaveCauseInstance shouldHaveCauseInstance = new ShouldHaveCauseInstance(new Throwable(), new Throwable(),26				new TextDescription("Test"), new StandardRepresentation());27		System.out.println(shouldHaveCauseInstance);28	}29	public static void shouldHaveCauseInstance5() {30		ShouldHaveCauseInstance shouldHaveCauseInstance = new ShouldHaveCauseInstance(new Throwable(), new Throwable(),31				new TextDescription("Test"), new StandardRepresentation());

ShouldHaveCauseInstance

Using AI Code Generation

1import org.assertj.core.error.ShouldHaveCauseInstance;2import org.assertj.core.api.Assertions;3import org.junit.Test;4import java.util.Date;5import java.io.IOException;6import java.io.FileNotFoundE

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