KaneAI - World’s First E2E Software Testing Agent.Signup for Private Beta Join TestMu Conference

How to use assertionErrorMessage method of org.assertj.core.internal.Failures class

Best Assertj code snippet using org.assertj.core.internal.Failures.assertionErrorMessage

Source:Failures.java

...106   */107  public AssertionError failure(AssertionInfo info, ErrorMessageFactory messageFactory) {108    AssertionError error = failureIfErrorMessageIsOverridden(info);109    if (error != null) return error;110    String assertionErrorMessage = assertionErrorMessage(info, messageFactory);111    AssertionError assertionError = assertionErrorCreator.assertionError(assertionErrorMessage);112    removeAssertJRelatedElementsFromStackTraceIfNeeded(assertionError);113    printThreadDumpIfNeeded();114    return assertionError;115  }116  public AssertionError failure(AssertionInfo info, ErrorMessageFactory messageFactory, Object actual, Object expected) {117    String assertionErrorMessage = assertionErrorMessage(info, messageFactory);118    AssertionError assertionError = assertionErrorCreator.assertionError(assertionErrorMessage, actual, expected,119                                                                         info.representation());120    removeAssertJRelatedElementsFromStackTraceIfNeeded(assertionError);121    printThreadDumpIfNeeded();122    return assertionError;123  }124  protected String assertionErrorMessage(AssertionInfo info, ErrorMessageFactory messageFactory) {125    String overridingErrorMessage = info.overridingErrorMessage();126    String message = isNullOrEmpty(overridingErrorMessage)127        ? messageFactory.create(info.description(), info.representation())128        : MessageFormatter.instance().format(info.description(), info.representation(), overridingErrorMessage);129    return message;130  }131  public AssertionError failureIfErrorMessageIsOverridden(AssertionInfo info) {132    String overridingErrorMessage = info.overridingErrorMessage();133    return isNullOrEmpty(overridingErrorMessage) ? null134        : failure(MessageFormatter.instance().format(info.description(), info.representation(),135                                                     overridingErrorMessage));136  }137  /**138   * Creates a <code>{@link AssertionError}</code> using the given {@code String} as message....

assertionErrorMessage

Using AI Code Generation

1assertThatExceptionOfType(NullPointerException.class).isThrownBy(() -> {2    throw new NullPointerException("my error message");3}).withMessage("my error message");4assertThatExceptionOfType(NullPointerException.class).isThrownBy(() -> {5    throw new NullPointerException("my error message");6}).withMessageContaining("error message");7assertThatExceptionOfType(NullPointerException.class).isThrownBy(() -> {8    throw new NullPointerException("my error message");9}).withNoCause();10assertThatExceptionOfType(NullPointerException.class).isThrownBy(() -> {11    throw new NullPointerException("my error message");12}).withCauseInstanceOf(IllegalArgumentException.class);13assertThatExceptionOfType(NullPointerException.class).isThrownBy(() -> {14    throw new NullPointerException("my error message");15}).withCauseInstanceOf(IllegalArgumentException.class).withMessage("my error message");16assertThatExceptionOfType(NullPointerException.class).isThrownBy(() -> {17    throw new NullPointerException("my error message");18}).withCauseInstanceOf(IllegalArgumentException.class).withMessageContaining("error message");19assertThatExceptionOfType(NullPointerException.class).isThrownBy(() -> {20    throw new NullPointerException("my error message");21}).withCauseInstanceOf(IllegalArgumentException.class).withCauseInstanceOf(UnsupportedOperationException.class);22assertThatExceptionOfType(NullPointerException.class).isThrownBy(() -> {23    throw new NullPointerException("my error message");24}).withCauseInstanceOf(IllegalArgumentException.class).withCauseInstanceOf(UnsupportedOperationException.class).withMessage("my error message");25assertThatExceptionOfType(NullPointerException.class).isThrownBy(() -> {26    throw new NullPointerException("my error message");27}).withCauseInstanceOf(IllegalArgumentException.class).withCauseInstanceOf(UnsupportedOperationException.class).withMessageContaining("error message");28assertThatExceptionOfType(NullPointerException.class).isThrownBy(() -> {29    throw new NullPointerException("my error message");30}).withCauseInstanceOf(IllegalArgumentException.class).withCauseInstanceOf(UnsupportedOperationException.class).withCauseInstanceOf(UnsupportedOperationException.class);31assertThatExceptionOfType(NullPointerException.class).isThrownBy(() -> {32    throw new NullPointerException("my error message");33}).withCauseInstanceOf(IllegalArgumentException.class).withCauseInstanceOf(UnsupportedOperationException.class).withCauseInstanceOf(UnsupportedOperationException.class).withMessage("my error message");34assertThatExceptionOfType(NullPointerException.class).isThrownBy(() -> {35    throw new NullPointerException("my error message");36}).withCauseInstanceOf(IllegalArgumentException.class).withCauseInstanceOf(UnsupportedOperationException.class).withCauseInstanceOf(UnsupportedOperationException.class).withMessageContaining("error message");37assertThatExceptionOfType(NullPointerException.class).isThrownBy(() -> {

assertionErrorMessage

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.error.BasicErrorMessageFactory;3import org.assertj.core.error.ErrorMessageFactory;4import org.assertj.core.internal.Failures;5import org.assertj.core.util.VisibleForTesting;6import org.junit.Test;7public class CustomErrorMessageTest {8    private final Failures failures = Failures.instance();9    public void testCustomErrorMessage() {10        Assertions.assertThat(false).withFailMessage("Expected %s to be true", "false").isTrue();11    }12    public void testCustomErrorMessageWithCustomErrorMessageFactory() {13        Assertions.assertThat(false).withFailMessage(new CustomErrorMessageFactory("Expected %s to be true", "false")).isTrue();14    }15    static class CustomErrorMessageFactory extends BasicErrorMessageFactory {16        public CustomErrorMessageFactory(String format, Object... arguments) {17            super(format, arguments);18        }19        public String create() {20            return "Custom error message";21        }22    }23}

assertionErrorMessage

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import static org.assertj.core.internal.Failures.instance;3import static org.assertj.core.util.Arrays.array;4import org.assertj.core.api.AbstractAssert;5import org.assertj.core.api.AbstractCharSequenceAssert;6import org.assertj.core.api.AbstractObjectAssert;7import org.assertj.core.api.Assertions;8import org.assertj.core.api.Condition;9import org.assertj.core.api.ThrowableAssert;10import org.assertj.core.api.ThrowableAssert.ThrowingCallable;11import org.assertj.core.api.ThrowableAssertAlternative;12import org.assertj.core.api.ThrowableAssertAlternative.ThrowingCallableWithThrowable;13import org.assertj.core.api.ThrowableAssertBase;14import org.assertj.core.api.ThrowableAssertBase.ThrowingCallableWithAssertionError;15import org.assertj.core.api.ThrowableAssertNoCause;16import org.assertj.core.api.ThrowableAssertNoCause.ThrowingCallableWithThrowableNoCause;17import org.assertj.core.api.ThrowableAssertNoCauseAlternative;18import org.assertj.core.api.ThrowableAssertNoCauseAlternative.ThrowingCallableWithAssertionErrorNoCause;19import org.assertj.core.api.ThrowableAssertThrownBy;20import org.assertj.core.api.ThrowableAssertWithCause;21import org.assertj.core.api.ThrowableAssertWithCause.ThrowingCallableWithThrowableWithCause;22import org.assertj.core.api.ThrowableAssertWithCauseAlternative;23import org.assertj.core.api.ThrowableAssertWithCauseAlternative.ThrowingCallableWithAssertionErrorWithCause;24import org.assertj.core.api.ThrowableAssertWithCauseAlternative.ThrowingCallableWithThrowableWithCauseNoCause;25import org.assertj.core.api.ThrowableAssertWithCauseNoCause;26import org.assertj.core.api.ThrowableAssertWithCauseNoCause.ThrowingCallableWithThrowableWithCauseNoCause;27import org.assertj.core.api.ThrowableAssertWithCauseNoCauseAlternative;28import org.assertj.core.api.ThrowableAssertWithCauseNoCauseAlternative.ThrowingCallableWithAssertionErrorWithCauseNoCause;29import org.assertj.core.api.ThrowableAssertWithCauseNoCauseAlternative.ThrowingCallableWithThrowableWithCauseNoCauseNoCause;30import org.assertj.core.api.ThrowableAssertWithCauseNoCauseAlternative.ThrowingCallableWithThrowableWithCauseNoCauseWithCause;31import org.assertj.core.api.ThrowableAssertWithCauseNoCauseAlternative.ThrowingCallableWithThrowableWithCauseWithCauseNoCause;32import org.assertj.core.api.ThrowableAssertWithCauseNoCauseAlternative.ThrowingCallableWithThrowableWithCauseWithCauseWithCause;33import org.assertj.core.api

assertionErrorMessage

Using AI Code Generation

1Failures.instance().assertionErrorMessage("my assertion failed");2import static org.assertj.core.api.Assertions.assertThat;3import static org.assertj.core.api.Assertions.fail;4import static org.assertj.core.api.Assertions.failBecauseExceptionWasNotThrown;5import org.assertj.core.internal.Failures;6import org.junit.Test;7public class FailuresTest {8    public void testFailures() {9        try {10            assertThat("abc").contains("d");11        } catch (AssertionError e) {12            String message = Failures.instance().assertionErrorMessage(e);13            System.out.println(message);14        }15        try {16            fail("my assertion failed");17        } catch (AssertionError e) {18            String message = Failures.instance().assertionErrorMessage(e);19            System.out.println(message);20        }21        try {22            failBecauseExceptionWasNotThrown(Exception.class);23        } catch (AssertionError e) {24            String message = Failures.instance().assertionErrorMessage(e);25            System.out.println(message);26        }27    }28}

assertionErrorMessage

Using AI Code Generation

1import org.assertj.core.internal.Failures;2import org.assertj.core.api.Assertions;3public class AssertionErrorMessage {4  public static void main(String[] args) {5    Failures failures = new Failures();6    String message = failures.assertionErrorMessage("The error message");7    System.out.println(message);8  }9}

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.