KaneAI - World’s First E2E Software Testing Agent.Signup for Private Beta 
How to use Throwables_assertHasRootCauseExactlyInstanceOf_Test class of org.assertj.core.internal.throwables package
Best Assertj code snippet using org.assertj.core.internal.throwables.Throwables_assertHasRootCauseExactlyInstanceOf_Test
Source:org.assertj.core.internal.throwables.Throwables_assertHasRootCauseExactlyInstanceOf_Test-should_throw_NullPointerException_if_given_type_is_null.java 
...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
...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
...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}...
Throwables_assertHasRootCauseExactlyInstanceOf_Test
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.test.TestData.someInfo;6import static org.assertj.core.util.FailureMessages.actualIsNull;7import static org.mockito.Mockito.verify;8import org.assertj.core.api.AssertionInfo;9import org.assertj.core.api.ThrowableAssert.ThrowingCallable;10import org.assertj.core.test.ExpectedException;11import org.junit.Before;12import org.junit.Rule;13import org.junit.Test;14public class Throwables_assertHasRootCauseExactlyInstanceOf_Test {15 public ExpectedException thrown = none();16 private Throwables throwables;17 private AssertionInfo info;18 public void setUp() {19 throwables = new Throwables();20 info = someInfo();21 }22 public void should_pass_if_actual_has_root_cause_exactly_instance_of_type() {23 throwables.assertHasRootCauseExactlyInstanceOf(info, new Throwable(new IllegalArgumentException()), IllegalArgumentException.class);24 }25 public void should_fail_if_actual_is_null() {26 thrown.expectAssertionError(actualIsNull());27 throwables.assertHasRootCauseExactlyInstanceOf(info, null, IllegalArgumentException.class);28 }29 public void should_fail_if_actual_has_no_cause() {30 ThrowingCallable code = () -> throwables.assertHasRootCauseExactlyInstanceOf(info, new Throwable(), IllegalArgumentException.class);31 assertThat(code).isNotNull();32 thrown.expectAssertionError(shouldHaveRootCauseExactlyInstance(new Throwable(), IllegalArgumentException.class));33 throwables.assertHasRootCauseExactlyInstanceOf(info, new Throwable(), IllegalArgumentException.class);34 }35 public void should_fail_if_actual_has_root_cause_not_exactly_instance_of_type() {36 ThrowingCallable code = () -> throwables.assertHasRootCauseExactlyInstanceOf(info, new Throwable(new IllegalArgumentException()), RuntimeException.class);37 assertThat(code).isNotNull();38 thrown.expectAssertionError(shouldHaveRootCauseExactlyInstance(new Throwable(new IllegalArgumentException()), RuntimeException.class));39 throwables.assertHasRootCauseExactlyInstanceOf(info, new Throwable(new IllegalArgumentException()), RuntimeException.class);40 }41 public void should_fail_if_actual_has_root_cause_instance_of_type() {42 ThrowingCallable code = () -> throwables.assertHasRootCauseExactlyInstanceOf(info, new Throwable(new IllegalArgumentException()), Exception.class);
Throwables_assertHasRootCauseExactlyInstanceOf_Test
Using AI Code Generation
1package org.assertj.core.internal.throwables;2import org.assertj.core.api.AssertionInfo;3import org.assertj.core.api.ThrowableAssert.ThrowingCallable;4import org.assertj.core.error.ShouldHaveRootCauseExactlyInstance;5import org.assertj.core.internal.ThrowablesBaseTest;6import org.junit.Test;7import static org.assertj.core.api.Assertions.assertThatExceptionOfType;8import static org.assertj.core.api.Assertions.catchThrowable;9import static org.assertj.core.error.ShouldHaveRootCauseExactlyInstance.shouldHaveRootCauseExactlyInstance;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_expected_type() {15 throwables.assertHasRootCauseExactlyInstanceOf(someInfo(), new RuntimeException(new IllegalArgumentException()), IllegalArgumentException.class);16 }17 public void should_fail_if_actual_is_null() {18 assertThatExceptionOfType(AssertionError.class).isThrownBy(new ThrowingCallable() {19 public void call() throws Throwable {20 throwables.assertHasRootCauseExactlyInstanceOf(someInfo(), null, IllegalArgumentException.class);21 }22 }).withMessage(actualIsNull());23 }24 public void should_fail_if_actual_has_no_cause() {25 AssertionInfo info = someInfo();26 Throwable actual = new Throwable();27 Class<? extends Throwable> expectedCauseType = IllegalArgumentException.class;28 Throwable error = catchThrowable(() -> throwables.assertHasRootCauseExactlyInstanceOf(info, actual, expectedCauseType));29 assertThat(error).isInstanceOf(AssertionError.class);30 verify(failures).failure(info, shouldHaveRootCauseExactlyInstance(actual, expectedCauseType));31 }32 public void should_fail_if_actual_has_root_cause_not_exactly_of_expected_type() {33 AssertionInfo info = someInfo();34 Throwable actual = new Throwable(new IllegalArgumentException());35 Class<? extends Throwable> expectedCauseType = RuntimeException.class;36 Throwable error = catchThrowable(() -> throwables.assertHasRootCauseExactlyInstanceOf(info, actual, expectedCauseType));37 assertThat(error).isInstanceOf(AssertionError.class);38 verify(failures).failure(info, shouldHaveRootCauseExactlyInstance(actual, expectedCauseType));39 }40}
Throwables_assertHasRootCauseExactlyInstanceOf_Test
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.DisplayName;6import org.junit.jupiter.api.Test;7import static org.assertj.core.api.Assertions.assertThatExceptionOfType;8import static org.assertj.core.error.ShouldHaveRootCauseExactlyInstanceOf.shouldHaveRootCauseExactlyInstance;9import static org.assertj.core.test.TestData.someInfo;10import static org.assertj.core.util.AssertionsUtil.expectAssertionError;11import static org.assertj.core.util.FailureMessages.actualIsNull;12import static org.mockito.Mockito.verify;13@DisplayName("Throwables assertHasRootCauseExactlyInstanceOf")14class Throwables_assertHasRootCauseExactlyInstanceOf_Test extends ThrowablesBaseTest {15 void should_pass_if_actual_has_root_cause_exactly_of_type() {16 Throwable actual = new Throwable(new NullPointerException());17 throwables.assertHasRootCauseExactlyInstanceOf(someInfo(), actual, NullPointerException.class);18 }19 void should_fail_if_actual_is_null() {20 Throwable actual = null;21 AssertionError assertionError = expectAssertionError(() -> throwables.assertHasRootCauseExactlyInstanceOf(someInfo(), actual, NullPointerException.class));22 assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> {23 throwables.assertHasRootCauseExactlyInstanceOf(someInfo(), actual, NullPointerException.class);24 }).withMessage(actualIsNull());25 verify(failures).failure(info, actualIsNull());26 }27 void should_fail_if_actual_has_no_root_cause() {28 Throwable actual = new Throwable();29 AssertionError assertionError = expectAssertionError(() -> throwables.assertHasRootCauseExactlyInstanceOf(someInfo(), actual, NullPointerException.class));30 assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> {31 throwables.assertHasRootCauseExactlyInstanceOf(someInfo(), actual, NullPointerException.class);32 }).withMessage(shouldHaveRootCauseExactlyInstance(actual, NullPointerException.class).create());33 verify(failures).failure(info, shouldHaveRootCauseExactlyInstance(actual, NullPointerException.class));34 }35 void should_fail_if_actual_has_root_cause_not_exactly_of_type() {36 Throwable actual = new Throwable(new IllegalArgumentException());
Throwables_assertHasRootCauseExactlyInstanceOf_Test
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.api.ThrowableAssert.ThrowingCallable;5import org.assertj.core.internal.Throwables;6import org.assertj.core.internal.ThrowablesBaseTest;7import org.junit.Test;8public class Throwables_assertHasRootCauseExactlyInstanceOf_Test extends ThrowablesBaseTest {9 public void should_pass_if_actual_has_root_cause_instance_of_expected_type() {10 throwables.assertHasRootCauseExactlyInstanceOf(someInfo(), new Throwable(new NullPointerException()),11 NullPointerException.class);12 }13 public void should_fail_if_actual_has_no_cause() {14 ThrowingCallable code = () -> throwables.assertHasRootCauseExactlyInstanceOf(someInfo(), new Throwable(), NullPointerException.class);15 assertThatExceptionOfType(AssertionError.class).isThrownBy(code).withMessage(shouldHaveRootCauseExactlyInstance(new Throwable(), NullPointerException.class).create());16 }17 public void should_fail_if_actual_has_root_cause_not_instance_of_expected_type() {18 ThrowingCallable code = () -> throwables.assertHasRootCauseExactlyInstanceOf(someInfo(), new Throwable(new IllegalArgumentException()), NullPointerException.class);19 assertThatExceptionOfType(AssertionError.class).isThrownBy(code).withMessage(shouldHaveRootCauseExactlyInstance(new Throwable(new IllegalArgumentException()),20 NullPointerException.class).create());21 }22 public void should_fail_if_actual_has_root_cause_instance_of_expected_type_but_not_exactly() {23 ThrowingCallable code = () -> throwables.assertHasRootCauseExactlyInstanceOf(someInfo(), new Throwable(new IllegalArgumentException()), Exception.class);24 assertThatExceptionOfType(AssertionError.class).isThrownBy(code).withMessage(shouldHaveRootCauseExactlyInstance(new Throwable(new IllegalArgumentException()),25 Exception.class).create());26 }27 public void should_fail_if_actual_is_null() {28 Throwable actual = null;29 ThrowingCallable code = () -> throwables.assertHasRootCauseExactlyInstanceOf(someInfo(), actual, NullPointerException.class);30 assertThatNullPointerException().isThrownBy(code).withMessage(actualIsNull());31 }32 public void should_fail_if_expected_type_is_null() {33 Class<? extends Throwable> expectedType = null;34 ThrowingCallable code = () -> throw
Throwables_assertHasRootCauseExactlyInstanceOf_Test
Using AI Code Generation
1package org.assertj.core.internal.throwables;2import org.assertj.core.api.AssertionInfo;3import org.assertj.core.api.Assertions;4import org.junit.Test;5public class Throwables_assertHasRootCauseExactlyInstanceOf_Test {6 public void test1() {7 Assertions.setRemoveAssertJRelatedElementsFromStackTrace(false);8 Assertions.setExtractBareNameFromAssertionErrorCause(true);9 AssertionInfo info = null;10 Throwable actual = null;11 Class<? extends Throwable> expectedType = null;12 Throwables.assertHasRootCauseExactlyInstanceOf(info, actual, expectedType);13 }14}15 at org.assertj.core.internal.throwables.Throwables.assertHasRootCauseExactlyInstanceOf(Throwables.java:257)16 at org.assertj.core.internal.throwables.Throwables_assertHasRootCauseExactlyInstanceOf_Test.test1(Throwables_assertHasRootCauseExactlyInstanceOf_Test.java:13)17 at org.assertj.core.internal.throwables.Throwables_assertHasRootCauseExactlyInstanceOf_Test.main(Throwables_assertHasRootCauseExactlyInstanceOf_Test.java:8)18org.assertj.core.internal.throwables.Throwables.assertHasRootCauseExactlyInstanceOf(Throwables.java:257)19257: checkNotNull(expectedType, "The expected type should not be null");
Throwables_assertHasRootCauseExactlyInstanceOf_Test
Using AI Code Generation
1import org.assertj.core.internal.throwables.Throwables_assertHasRootCauseExactlyInstanceOf_Test;2public class Main {3 public static void main(String[] args) {4 Throwables_assertHasRootCauseExactlyInstanceOf_Test obj = new Throwables_assertHasRootCauseExactlyInstanceOf_Test();5 obj.should_pass_if_actual_has_root_cause_exactly_of_type();6 }7}8import org.assertj.core.internal.throwables.Throwables_assertHasRootCauseExactlyInstanceOf_Test;9public class Main {10 public static void main(String[] args) {11 Throwables_assertHasRootCauseExactlyInstanceOf_Test obj = new Throwables_assertHasRootCauseExactlyInstanceOf_Test();12 obj.should_pass_if_actual_has_root_cause_exactly_of_type();13 }14}15import org.assertj.core.internal.throwables.Throwables_assertHasRootCauseExactlyInstanceOf_Test;16public class Main {17 public static void main(String[] args) {18 Throwables_assertHasRootCauseExactlyInstanceOf_Test obj = new Throwables_assertHasRootCauseExactlyInstanceOf_Test();19 obj.should_pass_if_actual_has_root_cause_exactly_of_type();20 }21}22import org.assertj.core.internal.throwables.Throwables_assertHasRootCauseExactlyInstanceOf_Test;23public class Main {24 public static void main(String[] args) {25 Throwables_assertHasRootCauseExactlyInstanceOf_Test obj = new Throwables_assertHasRootCauseExactlyInstanceOf_Test();26 obj.should_pass_if_actual_has_root_cause_exactly_of_type();27 }28}29import org.assertj.core.internal.throwables.Throwables_assertHasRootCauseExactlyInstanceOf_Test;30public class Main {31 public static void main(String[] args) {32 Throwables_assertHasRootCauseExactlyInstanceOf_Test obj = new Throwables_assertHasRootCauseExactlyInstanceOf_Test();33 obj.should_pass_if_actual_has_root_cause_exactly_of_type();34 }35}
Throwables_assertHasRootCauseExactlyInstanceOf_Test
Using AI Code Generation
1package org.assertj.core.internal.throwables;2import org.assertj.core.api.AssertionInfo;3import org.assertj.core.api.Assertions;4import org.assertj.core.internal.Throwables;5import org.assertj.core.util.FailureMessages;6import org.junit.jupiter.api.Test;7import org.junit.jupiter.api.DisplayName;8import org.junit.jupiter.api.Nested;9import org.junit.jupiter.api.BeforeEach;10import org.junit.jupiter.api.AfterEach;11import org.junit.jupiter.api.Assertions;12import org.junit.jupiter.api.BeforeAll;13import org.junit.jupiter.api.AfterAll;14import static org.assertj.core.api.Assertions.*;15import static org.assertj.core.util.FailureMessages.actualIsNull;16public class Throwables_assertHasRootCauseExactlyInstanceOf_Test {17 private Throwables throwables = new Throwables();18 private Throwable throwableWithCause;19 private Throwable throwableWithoutCause;20 private Throwable throwableWithCauseWhichCauseIsCause;21 public void setUp() {22 throwableWithCause = new Throwable(new Exception(new RuntimeException()));23 throwableWithoutCause = new Throwable();24 throwableWithCauseWhichCauseIsCause = new Throwable(new Exception(new RuntimeException(throwableWithCause)));25 }26 @DisplayName("test should_pass_if_actual_has_root_cause_exactly_of_type")27 public void test_should_pass_if_actual_has_root_cause_exactly_of_type() {28 throwables.assertHasRootCauseExactlyInstanceOf(info(), throwableWithCause, RuntimeException.class);29 }30 @DisplayName("test should_fail_if_actual_is_null")31 public void test_should_fail_if_actual_is_null() {32 Throwable thrown = catchThrowable(() -> throwables.assertHasRootCauseExactlyInstanceOf(info(), null, RuntimeException.class));33 then(thrown).isInstanceOf(AssertionError.class);34 }35 @DisplayName("test should_fail_if_actual_does_not_have_a_cause")36 public void test_should_fail_if_actual_does_not_have_a_cause() {37 Throwable thrown = catchThrowable(() -> throwables.assertHasRootCauseExactlyInstanceOf(info(), throwableWithoutCause, RuntimeException.class));38 then(thrown).isInstanceOf(AssertionError.class);39 }40 @DisplayName("test should_fail_if_actual_root_cause_is_not_exactly_of_type")41 public void test_should_fail_if_actual_root_cause_is_not_exactly_of_type() {42 Throwable thrown = catchThrowable(() -> throwables.assert
Throwables_assertHasRootCauseExactlyInstanceOf_Test
Using AI Code Generation
1package org.assertj.core.internal.throwables;2import org.junit.jupiter.api.Test;3public class Throwables_assertHasRootCauseExactlyInstanceOf_Test {4 public void test() {5 Throwables_assertHasRootCauseExactlyInstanceOf_Test throwables_assertHasRootCauseExactlyInstanceOf_Test = new Throwables_assertHasRootCauseExactlyInstanceOf_Test();6 throwables_assertHasRootCauseExactlyInstanceOf_Test.should_pass_if_root_cause_is_instance_of_expected_type();7 throwables_assertHasRootCauseExactlyInstanceOf_Test.should_pass_if_root_cause_is_instance_of_expected_type_in_hierarchy();8 throwables_assertHasRootCauseExactlyInstanceOf_Test.should_fail_if_root_cause_is_not_instance_of_expected_type();9 throwables_assertHasRootCauseExactlyInstanceOf_Test.should_fail_if_root_cause_is_null();10 throwables_assertHasRootCauseExactlyInstanceOf_Test.should_fail_if_actual_is_null();11 throwables_assertHasRootCauseExactlyInstanceOf_Test.should_fail_if_actual_is_not_a_throwable();12 throwables_assertHasRootCauseExactlyInstanceOf_Test.should_fail_if_actual_has_no_root_cause();13 throwables_assertHasRootCauseExactlyInstanceOf_Test.should_fail_if_expected_type_is_null();14 throwables_assertHasRootCauseExactlyInstanceOf_Test.should_fail_if_expected_type_is_not_a_class();15 }16 public void should_pass_if_root_cause_is_instance_of_expected_type() throws Exception {17 org.assertj.core.internal.throwables.Throwables_assertHasRootCauseExactlyInstanceOf_Test.should_pass_if_root_cause_is_instance_of_expected_type();18 }19 public void should_pass_if_root_cause_is_instance_of_expected_type_in_hierarchy() throws Exception {20 org.assertj.core.internal.throwables.Throwables_assertHasRootCauseExactlyInstanceOf_Test.should_pass_if_root_cause_is_instance_of_expected_type_in_hierarchy();21 }22 public void should_fail_if_root_cause_is_not_instance_of_expected_type() throws Exception {
Throwables_assertHasRootCauseExactlyInstanceOf_Test
Using AI Code Generation
1package test;2import static org.assertj.core.api.Assertions.assertThat;3import org.assertj.core.internal.Throwables;4import org.junit.jupiter.api.Test;5public class Throwables_assertHasRootCauseExactlyInstanceOf_Test {6 private Throwables throwables = new Throwables();7 public void should_pass_if_actual_has_root_cause_exactly_of_type() {8 Throwable actual = new Throwable(new NullPointerException());9 throwables.assertHasRootCauseExactlyInstanceOf(info(), actual, NullPointerException.class);10 }11 public void should_fail_if_actual_has_no_cause() {12 Throwable actual = new Throwable();13 assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> throwables.assertHasRootCauseExactlyInstanceOf(info(), actual, NullPointerException.class)).withMessage(actual + " does not have a root cause");14 }15 public void should_fail_if_actual_has_root_cause_not_exactly_of_type() {16 Throwable actual = new Throwable(new NullPointerException());17 assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> throwables.assertHasRootCauseExactlyInstanceOf(info(), actual, IllegalArgumentException.class)).withMessage(actual + " root cause type should have been:<java.lang.IllegalArgumentException> but was:<java.lang.NullPointerException>");18 }19 public void should_fail_if_actual_is_null() {20 assertThatNullPointerException().isThrownBy(() -> throwables.assertHasRootCauseExactlyInstanceOf(info(), null, NullPointerException.class)).withMessage(actualIsNull());21 }22 public void should_fail_if_expected_type_is_null() {23 assertThatNullPointerException().isThrownBy(() -> throwables.assertHasRootCauseExactlyInstanceOf(info(), new Throwable(), null)).withMessage("The given root cause type should not be null");24 }25}26package test;27import static org.assertj.core.api.Assertions.assertThat;28import org.assertj.core.internal.Throwables;29import org.junit.jupiter.api.Test;30public class Throwables_assertHasRootCauseExactlyInstanceOf_Test {31 private Throwables throwables = new Throwables();32 public void should_pass_if_actual_has_root_cause_exactly_of_type() {33 Throwable actual = new Throwable(new NullPointerException());34 throwables.assertHasRootCauseExactlyInstanceOf(info(), actual, NullPointerException.class);35 }
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.
LambdaTest Learning Hubs:
- JUnit Tutorial
- TestNG Tutorial
- Webdriver Tutorial
- WebDriverIO Tutorial
- Protractor Tutorial
- Selenium 4 Tutorial
- Jenkins Tutorial
- NUnit Tutorial
- Jest Tutorial
- Playwright Tutorial
- Cypress Tutorial
- PyTest Tutorial
YouTube
You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.
Run Assertj automation tests on LambdaTest cloud grid
Perform automation testing on 3000+ real desktop and mobile devices online.
Most used methods in Throwables_assertHasRootCauseExactlyInstanceOf_Test
Try LambdaTest Now !!
Get 100 minutes of automation test minutes FREE!!
Was this article helpful?
