How to use assertionFailedError method of org.assertj.core.error.ShouldBeEqual class

Best Assertj code snippet using org.assertj.core.error.ShouldBeEqual.assertionFailedError

Source:ShouldBeEqual_newAssertionError_differentiating_expected_and_actual_Test.java

1/*2 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with3 * the License. You may obtain a copy of the License at4 *5 * http://www.apache.org/licenses/LICENSE-2.06 *7 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on8 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the9 * specific language governing permissions and limitations under the License.10 *11 * Copyright 2012-2020 the original author or authors.12 */13package org.assertj.core.error;14import static java.lang.Integer.toHexString;15import static java.lang.String.format;16import static org.assertj.core.api.BDDAssertions.then;17import static org.assertj.core.error.ShouldBeEqual.shouldBeEqual;18import static org.assertj.core.presentation.StandardRepresentation.STANDARD_REPRESENTATION;19import static org.assertj.core.util.Strings.concat;20import static org.mockito.Mockito.mock;21import static org.mockito.Mockito.when;22import java.util.Comparator;23import org.assertj.core.description.Description;24import org.assertj.core.internal.ComparatorBasedComparisonStrategy;25import org.assertj.core.internal.ComparisonStrategy;26import org.assertj.core.internal.TestDescription;27import org.junit.jupiter.api.BeforeEach;28import org.junit.jupiter.api.Test;29import org.opentest4j.AssertionFailedError;30/**31 * Tests for32 * <code>{@link ShouldBeEqual#newAssertionError(Description, org.assertj.core.presentation.Representation)}</code>.33 *34 * @author Joel Costigliola (based on Tomasz Nurkiewicz ideas)35 */36class ShouldBeEqual_newAssertionError_differentiating_expected_and_actual_Test {37  private String formattedDescription = "[my test]";38  private Description description;39  @BeforeEach40  public void setUp() {41    description = new TestDescription("my test");42  }43  @Test44  void should_create_AssertionError_with_message_differentiating_expected_double_and_actual_float() {45    // GIVEN46    Float actual = 42f;47    Double expected = 42d;48    ShouldBeEqual shouldBeEqual = (ShouldBeEqual) shouldBeEqual(actual, expected, STANDARD_REPRESENTATION);49    shouldBeEqual.descriptionFormatter = mock(DescriptionFormatter.class);50    when(shouldBeEqual.descriptionFormatter.format(description)).thenReturn(formattedDescription);51    // WHEN52    AssertionError error = shouldBeEqual.newAssertionError(description, STANDARD_REPRESENTATION);53    // THEN54    then(error).isInstanceOf(AssertionFailedError.class)55               .hasMessage(format("[my test] %n" +56                                  "Expecting:%n" +57                                  " <42.0f>%n" +58                                  "to be equal to:%n" +59                                  " <42.0>%n" +60                                  "but was not."));61  }62  @Test63  void should_create_AssertionError_with_message_differentiating_expected_and_actual_persons() {64    // GIVEN65    Person actual = new Person("Jake", 43);66    Person expected = new Person("Jake", 47);67    ShouldBeEqual shouldBeEqual = (ShouldBeEqual) shouldBeEqual(actual, expected, STANDARD_REPRESENTATION);68    shouldBeEqual.descriptionFormatter = mock(DescriptionFormatter.class);69    when(shouldBeEqual.descriptionFormatter.format(description)).thenReturn(formattedDescription);70    // WHEN71    AssertionError error = shouldBeEqual.newAssertionError(description, STANDARD_REPRESENTATION);72    // THEN73    then(error).isInstanceOf(AssertionFailedError.class)74               .hasMessage("[my test] %n" +75                           "Expecting:%n" +76                           " <\"Person[name=Jake] (Person@%s)\">%n" +77                           "to be equal to:%n" +78                           " <\"Person[name=Jake] (Person@%s)\">%n"79                           + "but was not.", toHexString(actual.hashCode()), toHexString(expected.hashCode()));80  }81  @Test82  void should_create_AssertionError_with_message_differentiating_expected_and_actual_persons_even_if_a_comparator_based_comparison_strategy_is_used() {83    // GIVEN84    Person actual = new Person("Jake", 43);85    Person expected = new Person("Jake", 47);86    ComparisonStrategy ageComparisonStrategy = new ComparatorBasedComparisonStrategy(new PersonComparator());87    ShouldBeEqual shouldBeEqual = (ShouldBeEqual) shouldBeEqual(actual, expected, ageComparisonStrategy, STANDARD_REPRESENTATION);88    shouldBeEqual.descriptionFormatter = mock(DescriptionFormatter.class);89    when(shouldBeEqual.descriptionFormatter.format(description)).thenReturn(formattedDescription);90    // WHEN91    AssertionError error = shouldBeEqual.newAssertionError(description, STANDARD_REPRESENTATION);92    // THEN93    then(error).isInstanceOf(AssertionFailedError.class)94               .hasMessage("[my test] %n" +95                           "Expecting:%n" +96                           " <\"Person[name=Jake] (Person@%s)\">%n" +97                           "to be equal to:%n" +98                           " <\"Person[name=Jake] (Person@%s)\">%n" +99                           "when comparing values using PersonComparator%n" +100                           "but was not.", toHexString(actual.hashCode()), toHexString(expected.hashCode()));101  }102  @Test103  void should_create_AssertionError_with_message_differentiating_null_and_object_with_null_toString() {104    // GIVEN105    Object actual = null;106    Object expected = new ToStringIsNull();107    ShouldBeEqual shouldBeEqual = (ShouldBeEqual) shouldBeEqual(actual, expected, STANDARD_REPRESENTATION);108    shouldBeEqual.descriptionFormatter = mock(DescriptionFormatter.class);109    when(shouldBeEqual.descriptionFormatter.format(description)).thenReturn(formattedDescription);110    // WHEN111    AssertionError error = shouldBeEqual.newAssertionError(description, STANDARD_REPRESENTATION);112    // THEN113    then(error).isInstanceOf(AssertionFailedError.class)114               .hasMessage("[my test] %n" +115                           "Expecting:%n" +116                           " <null>%n" +117                           "to be equal to:%n" +118                           " <\"null (ToStringIsNull@%s)\">%n" +119                           "but was not.", toHexString(expected.hashCode()));120  }121  @Test122  void should_create_AssertionError_with_message_differentiating_object_with_null_toString_and_null() {123    // GIVEN124    Object actual = new ToStringIsNull();125    Object expected = null;126    ShouldBeEqual shouldBeEqual = (ShouldBeEqual) shouldBeEqual(actual, expected, STANDARD_REPRESENTATION);127    shouldBeEqual.descriptionFormatter = mock(DescriptionFormatter.class);128    when(shouldBeEqual.descriptionFormatter.format(description)).thenReturn(formattedDescription);129    // WHEN130    AssertionError error = shouldBeEqual.newAssertionError(description, STANDARD_REPRESENTATION);131    // THEN132    then(error).isInstanceOf(AssertionFailedError.class)133               .hasMessage("[my test] %n" +134                           "Expecting:%n" +135                           " <\"null (ToStringIsNull@%s)\">%n" +136                           "to be equal to:%n" +137                           " <null>%n" +138                           "but was not.", toHexString(actual.hashCode()));139  }140  private static class Person {141    private final String name;142    private final int age;143    public Person(String name, int age) {144      this.name = name;145      this.age = age;146    }147    @Override148    public String toString() {149      return concat("Person[name=", name, "]");150    }151  }152  private static class PersonComparator implements Comparator<Person> {153    @Override154    public int compare(Person p1, Person p2) {155      return p1.age - p2.age;156    }157  }158  public static class ToStringIsNull {159    @Override160    public String toString() {161      return null;162    }163  }164}...

Source:ShouldBeEqual_newAssertionError_without_JUnit_Test.java

...68                                           STANDARD_REPRESENTATION.toStringOf("Yoda"),69                                           STANDARD_REPRESENTATION.toStringOf("Luke"));70    assertThat(error).isNotInstanceOf(ComparisonFailure.class)71                     .isInstanceOf(AssertionFailedError.class);72    AssertionFailedError assertionFailedError = (AssertionFailedError) error;73    assertThat(assertionFailedError.getActual().getValue()).isEqualTo(STANDARD_REPRESENTATION.toStringOf("Luke"));74    assertThat(assertionFailedError.getExpected().getValue()).isEqualTo(STANDARD_REPRESENTATION.toStringOf("Yoda"));75    assertThat(error).hasMessage(format("[Jedi] %nExpecting:%n <\"Luke\">%nto be equal to:%n <\"Yoda\">%nbut was not."));76  }77  private static Object createComparisonFailure(ConstructorInvoker invoker) throws Exception {78    return invoker.newInstance(ComparisonFailure.class.getName(),79                               new Class<?>[] { String.class, String.class, String.class },80                               "[Jedi]", STANDARD_REPRESENTATION.toStringOf("Yoda"), STANDARD_REPRESENTATION.toStringOf("Luke"));81  }82}...

assertionFailedError

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.error.ShouldBeEqual;3import org.assertj.core.internal.Failures;4public class AssertionFailedError {5    public static void main(String[] args) {6        Failures failures = new Failures();7        AssertionError error = failures.failure(ShouldBeEqual.shouldBeEqual("1", "2", "1", "2"));8        System.out.println(error.getMessage());9    }10}11import org.assertj.core.api.Assertions;12import org.assertj.core.error.ErrorMessageFactory;13import org.assertj.core.internal.Failures;14public class AssertionFailedError {15    public static void main(String[] args) {16        Failures failures = new Failures();17        ErrorMessageFactory errorMessageFactory = new ErrorMessageFactory() {18            public String create() {19                return "error";20            }21        };22        AssertionError error = failures.failure(errorMessageFactory);23        System.out.println(error.getMessage());24    }25}26import org.assertj.core.api.Assertions;27import org.assertj.core.error.ErrorMessageFactory;28import org.assertj.core.error.ShouldBeEqual;29import org.assertj.core.internal.Failures;30public class AssertionFailedError {31    public static void main(String[] args) {32        Failures failures = new Failures();33        ErrorMessageFactory errorMessageFactory = new ErrorMessageFactory() {34            public String create() {35                return "error";36            }37        };38        AssertionError error = failures.failure(errorMessageFactory);39        System.out.println(error.getMessage());40    }41}42import org.assertj.core.api.Assertions;43import org.assertj.core.error.ErrorMessageFactory;44import org.assertj.core.error.ShouldBeEqual;45import org.assertj.core.internal.Failures;46public class AssertionFailedError {47    public static void main(String[] args) {48        Failures failures = new Failures();49        ErrorMessageFactory errorMessageFactory = new ErrorMessageFactory() {50            public String create() {51                return "error";52            }53        };54        AssertionError error = failures.failure(errorMessageFactory);55        System.out.println(error.getMessage());56    }57}

assertionFailedError

Using AI Code Generation

1import org.assertj.core.error.ShouldBeEqual;2import org.assertj.core.internal.Failures;3import org.assertj.core.presentation.StandardRepresentation;4public class AssertionFailedError {5  public static void main(String[] args) {6    Failures failures = new Failures();7    StandardRepresentation representation = new StandardRepresentation();8    AssertionError assertionError = failures.failure(representation, ShouldBeEqual.shouldBeEqual("1", "2", representation));9    System.out.println(assertionError.getMessage());10  }11}12assertThatThrownBy(() -> { throw new IllegalArgumentException("boom"); }).isInstanceOf(IllegalArgumentException.class).hasMessageContaining("boom");13This is a good example of how to use the error classes. I would like to suggest you to use the assertThatThrownBy() method from assertj-core to do the same thing. It is a bit more compact. assertThatThrownBy(() -> { throw new IllegalArgumentException("boom"); }).isInstanceOf(IllegalArgumentException.class).hasMessageContaining("boom");

assertionFailedError

Using AI Code Generation

1package org.example;2import org.assertj.core.api.Assertions;3import org.assertj.core.error.ShouldBeEqual;4import org.junit.Test;5{6    public void testAssertionFailedError()7    {8        ShouldBeEqual shouldBeEqual = new ShouldBeEqual("Hello", "Hello", null);9        Assertions.assertThatThrownBy(() -> {10            shouldBeEqual.assertionFailedError();11        }).isInstanceOf(AssertionError.class);12    }13}

assertionFailedError

Using AI Code Generation

1import org.assertj.core.error.ShouldBeEqual;2import org.assertj.core.internal.TestDescription;3import org.assertj.core.presentation.StandardRepresentation;4import org.junit.Test;5public class AssertionFailedErrorTest {6    public void test() {7        TestDescription testDescription = new TestDescription("test");8        StandardRepresentation standardRepresentation = new StandardRepresentation();9        ShouldBeEqual shouldBeEqual = new ShouldBeEqual("actual", "expected", standardRepresentation);10        AssertionError assertionError = shouldBeEqual.assertionFailedError(testDescription, standardRepresentation);11        System.out.println(assertionError.getMessage());12    }13}14import org.assertj.core.error.ErrorMessageFactory;15import org.assertj.core.internal.TestDescription;16import org.assertj.core.presentation.StandardRepresentation;17import org.junit.Test;18public class AssertionFailedErrorTest {19    public void test() {20        TestDescription testDescription = new TestDescription("test");21        StandardRepresentation standardRepresentation = new StandardRepresentation();22        ErrorMessageFactory errorMessageFactory = new ErrorMessageFactory("assertion message") {23            public String create() {24                return "assertion message";25            }26        };27        AssertionError assertionError = errorMessageFactory.assertionFailedError(testDescription, standardRepresentation);28        System.out.println(assertionError.getMessage());29    }30}31import org.assertj.core.error.ErrorMessageFactory;32import org.assertj.core.internal.Test

assertionFailedError

Using AI Code Generation

1import org.assertj.core.api.*;2public class AssertionFailedError {3   public static void main(String[] args) {4      AssertionFailedError assertionFailedError = new AssertionFailedError();5      System.out.println("AssertionFailedError: " + assertionFailedError);6   }7}

assertionFailedError

Using AI Code Generation

1import org.assertj.core.error.ShouldBeEqual;2import org.assertj.core.error.ErrorMessageFactory;3import org.assertj.core.error.ErrorMessageFactoryProvider;4public class AssertionFailedError {5    public static void main(String[] args) {6        ErrorMessageFactory shouldBeEqual = ShouldBeEqual.shouldBeEqual("actual", "expected", null, null);7        ErrorMessageFactoryProvider errorMessageFactoryProvider = new ErrorMessageFactoryProvider();8        String assertionFailedError = errorMessageFactoryProvider.assertionFailedError(shouldBeEqual);9        System.out.println(assertionFailedError);10    }11}

assertionFailedError

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.error.ShouldBeEqual;3public class AssertionFailedError {4public static void main(String[] args) {5   AssertionError error = ShouldBeEqual.shouldBeEqual("abc", "xyz", null, null);6   System.out.println("Error Message: " + error.getMessage());7   System.out.println("Cause: " + error.getCause());8   System.out.println("Stack Trace: ");9   error.printStackTrace();10   }11}12	at org.assertj.core.error.ShouldBeEqual.shouldBeEqual(ShouldBeEqual.java:31)13	at AssertionFailedError.main(AssertionFailedError.java:9)

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