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

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

Source:Throwables_assertHasRootCauseInstanceOf_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.ShouldHaveRootCauseInstance;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#assertHasRootCauseInstanceOf(org.assertj.core.api.AssertionInfo, Throwable, Class)}26 * .27 *28 * @author Jean-Christophe Gay29 */30public class Throwables_assertHasRootCauseInstanceOf_Test extends ThrowablesBaseTest {31    private Throwable throwableWithCause = new Throwable(new Exception(new IllegalArgumentException()));32    @Test33    public void should_pass_if_root_cause_is_exactly_instance_of_expected_type() {34        throwables.assertHasRootCauseInstanceOf(TestData.someInfo(), throwableWithCause, IllegalArgumentException.class);35    }36    @Test37    public void should_pass_if_root_cause_is_instance_of_expected_type() {38        throwables.assertHasRootCauseInstanceOf(TestData.someInfo(), throwableWithCause, RuntimeException.class);39    }40    @Test41    public void should_fail_if_actual_is_null() {42        Assertions.assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> throwables.assertHasRootCauseInstanceOf(someInfo(), null, .class)).withMessage(FailureMessages.actualIsNull());43    }44    @Test45    public void should_throw_NullPointerException_if_given_type_is_null() {46        Assertions.assertThatNullPointerException().isThrownBy(() -> throwables.assertHasRootCauseInstanceOf(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.assertHasRootCauseInstanceOf(info, ThrowablesBaseTest.actual, expectedCauseType);54        } catch (AssertionError err) {55            Mockito.verify(failures).failure(info, ShouldHaveRootCauseInstance.shouldHaveRootCauseInstance(ThrowablesBaseTest.actual, expectedCauseType));56            return;57        }58        TestFailures.failBecauseExpectedAssertionErrorWasNotThrown();59    }60    @Test61    public void should_fail_if_root_cause_is_not_instance_of_expected_type() {62        AssertionInfo info = TestData.someInfo();63        Class<NullPointerException> expectedCauseType = NullPointerException.class;64        try {65            throwables.assertHasRootCauseInstanceOf(info, throwableWithCause, expectedCauseType);66        } catch (AssertionError err) {67            Mockito.verify(failures).failure(info, ShouldHaveRootCauseInstance.shouldHaveRootCauseInstance(throwableWithCause, expectedCauseType));68            return;69        }70        TestFailures.failBecauseExpectedAssertionErrorWasNotThrown();71    }72}...

Source:ShouldHaveRootCauseInstance.java

...17 * instance of a certain type.18 * 19 * @author Jean-Christophe Gay20 */21public class ShouldHaveRootCauseInstance extends BasicErrorMessageFactory {22  /**23   * Creates a new </code>{@link BasicErrorMessageFactory}</code>.24   * 25   * @param actual the actual value in the failed assertion.26   * @param expectedCauseType the expected cause type.27   * @return the created {@code ErrorMessageFactory}.28   */29  public static ErrorMessageFactory shouldHaveRootCauseInstance(Throwable actual,30      Class<? extends Throwable> expectedCauseType) {31    return Throwables.getRootCause(actual) == null ? new ShouldHaveRootCauseInstance(expectedCauseType)32        : new ShouldHaveRootCauseInstance(actual, expectedCauseType);33  }34  private ShouldHaveRootCauseInstance(Throwable actual, Class<? extends Throwable> expectedCauseType) {35    super("%nExpecting a throwable with root cause being an instance of:%n <%s>%nbut was an instance of:%n <%s>",36        expectedCauseType, Throwables.getRootCause(actual));37  }38  private ShouldHaveRootCauseInstance(Class<? extends Throwable> expectedCauseType) {39    super("%nExpecting a throwable with root cause being an instance of:%n <%s>%nbut current throwable has no cause.",40        expectedCauseType);41  }42}...

ShouldHaveRootCauseInstance

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;6import static org.assertj.core.error.ShouldHaveRootCauseInstance.shouldHaveRootCauseInstance;7import static org.assertj.core.util.FailureMessages.actualIsNull;8public class ShouldHaveRootCauseInstance_Test {9  public void should_create_error_message() {10    String errorMessage = shouldHaveRootCauseInstance(new Exception(), RuntimeException.class).create(new TestDescription("Test"), new StandardRepresentation());11    assertThat(errorMessage).isEqualTo(String.format("[Test] %n" +12                                                     "  <java.lang.Exception>"));13  }14  public void should_create_error_message_with_null_actual() {15    String errorMessage = actualIsNull().create(new TestDescription("Test"), new StandardRepresentation());16    assertThat(errorMessage).isEqualTo("[Test] %nExpecting actual not to be null");17  }18}19package org.assertj.core.error;20import org.assertj.core.api.Assertions;21import org.assertj.core.internal.TestDescription;22import org.assertj.core.presentation.StandardRepresentation;23import org.junit.Test;24public class ShouldHaveRootCauseInstance_Test {25  public void should_create_error_message() {26    Assertions.assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> {27      throw new AssertionError("boom!", new Exception());28    }).withMessageContaining("Expecting root cause of:%n" +29                             "  <java.lang.Exception>");30  }31}32package org.assertj.core.error;33import org.assertj.core.api.Assertions;34import

ShouldHaveRootCauseInstance

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 java.io.IOException;6import static org.assertj.core.api.Assertions.assertThat;7import static org.assertj.core.error.ShouldHaveRootCauseInstance.shouldHaveRootCauseInstance;8import static org.assertj.core.util.FailureMessages.actualIsNull;

ShouldHaveRootCauseInstance

Using AI Code Generation

1package com.automationrhapsody.assertj;2import static org.assertj.core.api.Assertions.assertThat;3import java.io.IOException;4import org.junit.Test;5public class ShouldHaveRootCauseInstanceTest {6    public void shouldHaveRootCauseInstanceTest() {7        try {8            throw new IOException("Root cause", new IllegalArgumentException("Cause"));9        } catch (IOException e) {10            assertThat(e).hasRootCauseInstanceOf(IllegalArgumentException.class);11        }12    }13}

ShouldHaveRootCauseInstance

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.error.ShouldHaveRootCauseInstance;3import org.assertj.core.internal.TestDescription;4import org.junit.Test;5public class ShouldHaveRootCauseInstanceTest {6	public void test() {7		Throwable throwable = new Throwable();8		throwable.initCause(new NullPointerException());9		Assertions.assertThat(throwable).hasRootCauseInstanceOf(IllegalArgumentException.class);10	}11}12import org.assertj.core.api.Assertions;13import org.assertj.core.error.ShouldHaveRootCauseInstance;14import org.assertj.core.internal.TestDescription;15import org.junit.Test;16public class ShouldHaveRootCauseInstanceTest {17	public void test() {18		Throwable throwable = new Throwable();19		throwable.initCause(new NullPointerException());20		Assertions.assertThat(throwable).hasRootCauseInstanceOf(NullPointerException.class);21	}22}23import org.assertj.core.api.Assertions;24import org.assertj.core.error.ShouldHaveRootCauseInstance;25import org.assertj.core.internal.TestDescription;26import org.junit.Test;27public class ShouldHaveRootCauseInstanceTest {28	public void test() {29		Throwable throwable = new Throwable();30		throwable.initCause(new NullPointerException());31		Assertions.assertThat(throwable).hasRootCauseInstanceOf(Throwable.class);32	}33}34import org.assertj.core.api.Assertions;35import org.assertj.core.error.ShouldHaveRootCauseInstance;36import org.assertj.core.internal.TestDescription;37import org.junit.Test;38public class ShouldHaveRootCauseInstanceTest {39	public void test() {40		Throwable throwable = new Throwable();41		throwable.initCause(new NullPointerException());42		Assertions.assertThat(throwable).hasRootCauseInstanceOf(Object.class);43	}44}45import org.assertj.core.api.Assertions;46import org.assertj.core.error.ShouldHaveRootCauseInstance;47import org.assertj.core.internal.TestDescription;48import org.junit.Test;49public class ShouldHaveRootCauseInstanceTest {50	public void test() {

ShouldHaveRootCauseInstance

Using AI Code Generation

1package com.puppycrawl.tools.checkstyle.grammar.java8;2import java.io.File;3import java.io.IOException;4import java.util.List;5import org.junit.Test;6import com.google.common.base.Charsets;7import com.google.common.io.Files;8import com.puppycrawl.tools.checkstyle.AbstractModuleTestSupport;9import com.puppycrawl.tools.checkstyle.DefaultConfiguration;10import com.puppycrawl.tools.checkstyle.api.Configuration;11import com.puppycrawl.tools.checkstyle.api.FileText;12import com.puppycrawl.tools.checkstyle.api.LocalizedMessage;13import com.puppycrawl.tools.checkstyle.checks.javadoc.JavadocTypeCheck;14import com.puppycrawl.tools.checkstyle.utils.CommonUtil;15public class InputShouldHaveRootCauseInstanceTest extends AbstractModuleTestSupport {16    protected String getPackageLocation() {17        return "com/puppycrawl/tools/checkstyle/grammar/java8";18    }19    public void test() throws Exception {20                createModuleConfig(JavadocTypeCheck.class);21        final String[] expected = {22            "3: " + getCheckMessage(JavadocTypeCheck.class,23        };24        verify(checkConfig, getPath("InputShouldHaveRootCauseInstanceTest.java"), expected);25    }26    private String getCheckMessage(Class<?> clazz, String key, Object... arguments) {27                new LocalizedMessage(1, 1, null, key, arguments, clazz, null);28        return message.getMessage();29    }30}

ShouldHaveRootCauseInstance

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.error.ShouldHaveRootCauseInstance;3import org.junit.Test;4public class AssertjExample {5    public void test() {6        try {7            throw new Exception("test");8        } catch (Exception e) {9            Assertions.assertThatThrownBy(() -> {10                throw e;11            }).isInstanceOf(Exception.class).hasMessage("test").hasNoCause().hasRootCauseInstanceOf(RuntimeException.class);12        }13    }14}15at org.assertj.core.error.ShouldHaveRootCauseInstance.shouldHaveRootCauseInstance(ShouldHaveRootCauseInstance.java:34)16at org.assertj.core.api.ThrowableAssertAlternative.hasRootCauseInstanceOf(ThrowableAssertAlternative.java:138)17at AssertjExample.test(AssertjExample.java:17)

ShouldHaveRootCauseInstance

Using AI Code Generation

1package org.tutorialspoint.assertj;2import java.io.IOException;3import org.assertj.core.api.Assertions;4public class AssertJShouldHaveRootCauseInstance {5	public static void main(String[] args) {6		Throwable throwable = new Throwable(new IOException());7		Assertions.assertThat(throwable).hasRootCauseInstanceOf(IOExc

ShouldHaveRootCauseInstance

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.junit.Test;3public class AssertJTest {4  public void test1() {5    try {6      throw new Exception("test exception");7    } catch (Exception e) {8      Assertions.assertThat(e).isInstanceOf(Exception.class).hasMessage("test exception");9    }10  }11}12	at org.junit.Assert.assertEquals(Assert.java:115)13	at org.junit.Assert.assertEquals(Assert.java:144)14	at org.assertj.core.error.ShouldHaveRootCauseInstance.newAssertionError(ShouldHaveRootCauseInstance.java:51)15	at org.assertj.core.api.AbstractThrowableAssert.hasRootCauseInstanceOf(AbstractThrowableAssert.java:265)16	at org.assertj.core.api.AbstractThrowableAssert.hasRootCauseInstanceOf(AbstractThrowableAssert.java:25)17	at AssertJTest.test1(AssertJTest.java:12)18	at org.junit.Assert.assertEquals(Assert.java:115)19	at org.junit.Assert.assertEquals(Assert.java:144)20	at org.assertj.core.error.ShouldHaveRootCauseInstance.newAssertionError(ShouldHaveRootCauseInstance.java:51)21	at org.assertj.core.api.AbstractThrowableAssert.hasRootCauseInstanceOf(AbstractThrowableAssert.java:265)22	at org.assertj.core.api.AbstractThrowableAssert.hasRootCauseInstanceOf(AbstractThrowableAssert.java:25)23	at AssertJTest.test1(AssertJTest.java:12)24	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)25	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)26	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)27	at java.lang.reflect.Method.invoke(Method.java:498)28	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)29	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)30	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)31	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)32	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)

ShouldHaveRootCauseInstance

Using AI Code Generation

1import org.assertj.core.error.ShouldHaveRootCauseInstance;2public class ShouldHaveRootCauseInstanceExample {3    public static void main(String[] args) {4        Throwable actualCause = new Throwable(new Throwable());5        Class<?> expectedCause = IllegalArgumentException.class;6        throw ShouldHaveRootCauseInstance.shouldHaveRootCauseInstance(actualCause, expectedCause);7    }8}9import org.assertj.core.api.Assertions;10import org.assertj.core.error.ShouldHaveRootCauseInstance;11import org.junit.Test;12public class AssertjExample {13    public void test() {14        try {15            throw new Exception("test");16        } catch (Exception e) {17            Assertions.assertThatThrownBy(() -> {18                throw e;19            }).isInstanceOf(Exception.class).hasMessage("test").hasNoCause().hasRootCauseInstanceOf(RuntimeException.class);20        }21    }22}23at org.assertj.core.error.ShouldHaveRootCauseInstance.shouldHaveRootCauseInstance(ShouldHaveRootCauseInstance.java:34)24at org.assertj.core.api.ThrowableAssertAlternative.hasRootCauseInstanceOf(ThrowableAssertAlternative.java:138)25at AssertjExample.test(AssertjExample.java:17)

ShouldHaveRootCauseInstance

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.error.ShouldHaveRootCauseInstance;3import org.assertj.core.internal.TestDescription;4import org.junit.Test;5public class ShouldHaveRootCauseInstanceTest {6	public void test() {7		Throwable throwable = new Throwable();8		throwable.initCause(new NullPointerException());9		Assertions.assertThat(throwable).hasRootCauseInstanceOf(IllegalArgumentException.class);10	}11}12import org.assertj.core.api.Assertions;13import org.assertj.core.error.ShouldHaveRootCauseInstance;14import org.assertj.core.internal.TestDescription;15import org.junit.Test;16public class ShouldHaveRootCauseInstanceTest {17	public void test() {18		Throwable throwable = new Throwable();19		throwable.initCause(new NullPointerException());20		Assertions.assertThat(throwable).hasRootCauseInstanceOf(NullPointerException.class);21	}22}23import org.assertj.core.api.Assertions;24import org.assertj.core.error.ShouldHaveRootCauseInstance;25import org.assertj.core.internal.TestDescription;26import org.junit.Test;27public class ShouldHaveRootCauseInstanceTest {28	public void test() {29		Throwable throwable = new Throwable();30		throwable.initCause(new NullPointerException());31		Assertions.assertThat(throwable).hasRootCauseInstanceOf(Throwable.class);32	}33}34import org.assertj.core.api.Assertions;35import org.assertj.core.error.ShouldHaveRootCauseInstance;36import org.assertj.core.internal.TestDescription;37import org.junit.Test;38public class ShouldHaveRootCauseInstanceTest {39	public void test() {40		Throwable throwable = new Throwable();41		throwable.initCause(new NullPointerException());42		Assertions.assertThat(throwable).hasRootCauseInstanceOf(Object.class);43	}44}45import org.assertj.core.api.Assertions;46import org.assertj.core.error.ShouldHaveRootCauseInstance;47import org.assertj.core.internal.TestDescription;48import org.junit.Test;49public class ShouldHaveRootCauseInstanceTest {50	public void test() {

ShouldHaveRootCauseInstance

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.error.ShouldHaveRootCauseInstance;3import org.junit.Test;4public class AssertjExample {5    public void test() {6        try {7            throw new Exception("test");8        } catch (Exception e) {9            Assertions.assertThatThrownBy(() -> {10                throw e;11            }).isInstanceOf(Exception.class).hasMessage("test").hasNoCause().hasRootCauseInstanceOf(RuntimeException.class);12        }13    }14}15at org.assertj.core.error.ShouldHaveRootCauseInstance.shouldHaveRootCauseInstance(ShouldHaveRootCauseInstance.java:34)16at org.assertj.core.api.ThrowableAssertAlternative.hasRootCauseInstanceOf(ThrowableAssertAlternative.java:138)17at AssertjExample.test(AssertjExample.java:17)

ShouldHaveRootCauseInstance

Using AI Code Generation

1package org.tutorialspoint.assertj;2import java.io.IOException;3import org.assertj.core.api.Assertions;4public class AssertJShouldHaveRootCauseInstance {5	public static void main(String[] args) {6		Throwable throwable = new Throwable(new IOException());7		Assertions.assertThat(throwable).hasRootCauseInstanceOf(IOExc

ShouldHaveRootCauseInstance

Using AI Code Generation

1import org.assertj.core.error.ShouldHaveRootCauseInstance;2public class ShouldHaveRootCauseInstanceExample {3    public static void main(String[] args) {4        Throwable actualCause = new Throwable(new Throwable());5        Class<?> expectedCause = IllegalArgumentException.class;6        throw ShouldHaveRootCauseInstance.shouldHaveRootCauseInstance(actualCause, expectedCause);7    }8}

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