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How to use instance method of org.assertj.core.error.DescriptionFormatter class

Best Assertj code snippet using org.assertj.core.error.DescriptionFormatter.instance

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 2012-2022 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                                  "expected: 42.0%n" +57                                  " but was: 42.0f"));58  }59  @Test60  void should_create_AssertionError_with_message_differentiating_expected_and_actual_persons() {61    // GIVEN62    Person actual = new Person("Jake", 43);63    Person expected = new Person("Jake", 47);64    ShouldBeEqual shouldBeEqual = (ShouldBeEqual) shouldBeEqual(actual, expected, STANDARD_REPRESENTATION);65    shouldBeEqual.descriptionFormatter = mock(DescriptionFormatter.class);66    when(shouldBeEqual.descriptionFormatter.format(description)).thenReturn(formattedDescription);67    // WHEN68    AssertionError error = shouldBeEqual.newAssertionError(description, STANDARD_REPRESENTATION);69    // THEN70    then(error).isInstanceOf(AssertionFailedError.class)71               .hasMessage("[my test] %n" +72                           "expected: \"Person[name=Jake] (Person@%s)\"%n" +73                           " but was: \"Person[name=Jake] (Person@%s)\"",74                           toHexString(expected.hashCode()), toHexString(actual.hashCode()));75  }76  @Test77  void should_create_AssertionError_with_message_differentiating_expected_and_actual_persons_even_if_a_comparator_based_comparison_strategy_is_used() {78    // GIVEN79    Person actual = new Person("Jake", 43);80    Person expected = new Person("Jake", 47);81    ComparisonStrategy ageComparisonStrategy = new ComparatorBasedComparisonStrategy(new PersonComparator());82    ShouldBeEqual shouldBeEqual = (ShouldBeEqual) shouldBeEqual(actual, expected, ageComparisonStrategy, STANDARD_REPRESENTATION);83    shouldBeEqual.descriptionFormatter = mock(DescriptionFormatter.class);84    when(shouldBeEqual.descriptionFormatter.format(description)).thenReturn(formattedDescription);85    // WHEN86    AssertionError error = shouldBeEqual.newAssertionError(description, STANDARD_REPRESENTATION);87    // THEN88    then(error).isInstanceOf(AssertionFailedError.class)89               .hasMessage("[my test] %n" +90                           "expected: \"Person[name=Jake] (Person@%s)\"%n" +91                           " but was: \"Person[name=Jake] (Person@%s)\"%n" +92                           "when comparing values using PersonComparator",93                           toHexString(expected.hashCode()), toHexString(actual.hashCode()));94  }95  @Test96  void should_create_AssertionError_with_message_differentiating_null_and_object_with_null_toString() {97    // GIVEN98    Object actual = null;99    Object expected = new ToStringIsNull();100    ShouldBeEqual shouldBeEqual = (ShouldBeEqual) shouldBeEqual(actual, expected, STANDARD_REPRESENTATION);101    shouldBeEqual.descriptionFormatter = mock(DescriptionFormatter.class);102    when(shouldBeEqual.descriptionFormatter.format(description)).thenReturn(formattedDescription);103    // WHEN104    AssertionError error = shouldBeEqual.newAssertionError(description, STANDARD_REPRESENTATION);105    // THEN106    then(error).isInstanceOf(AssertionFailedError.class)107               .hasMessage("[my test] %n" +108                           "expected: \"null (ToStringIsNull@%s)\"%n" +109                           " but was: null",110                           toHexString(expected.hashCode()));111  }112  @Test113  void should_create_AssertionError_with_message_differentiating_object_with_null_toString_and_null() {114    // GIVEN115    Object actual = new ToStringIsNull();116    Object expected = null;117    ShouldBeEqual shouldBeEqual = (ShouldBeEqual) shouldBeEqual(actual, expected, STANDARD_REPRESENTATION);118    shouldBeEqual.descriptionFormatter = mock(DescriptionFormatter.class);119    when(shouldBeEqual.descriptionFormatter.format(description)).thenReturn(formattedDescription);120    // WHEN121    AssertionError error = shouldBeEqual.newAssertionError(description, STANDARD_REPRESENTATION);122    // THEN123    then(error).isInstanceOf(AssertionFailedError.class)124               .hasMessage("[my test] %n" +125                           "expected: null%n" +126                           " but was: \"null (ToStringIsNull@%s)\"",127                           toHexString(actual.hashCode()));128  }129  private static class Person {130    private final String name;131    private final int age;132    public Person(String name, int age) {133      this.name = name;134      this.age = age;135    }136    @Override137    public String toString() {138      return concat("Person[name=", name, "]");139    }140  }141  private static class PersonComparator implements Comparator<Person> {142    @Override143    public int compare(Person p1, Person p2) {144      return p1.age - p2.age;145    }146  }147  public static class ToStringIsNull {148    @Override149    public String toString() {150      return null;151    }152  }153}...

instance

Using AI Code Generation

1DescriptionFormatter descriptionFormatter = new DescriptionFormatter();2String description = descriptionFormatter.format(descriptionFormatter.instance(), "test");3System.out.println(description);4description = descriptionFormatter.format(descriptionFormatter.method(), "test");5System.out.println(description);6description = descriptionFormatter.format(descriptionFormatter.constructor(), "test");7System.out.println(description);8description = descriptionFormatter.format(descriptionFormatter.type(), "test");9System.out.println(description);10description = descriptionFormatter.format(descriptionFormatter.values(), "test");11System.out.println(description);12description = descriptionFormatter.format(descriptionFormatter.value(), "test");13System.out.println(description);14description = descriptionFormatter.format(descriptionFormatter.expected(), "test");15System.out.println(description);16description = descriptionFormatter.format(descriptionFormatter.actual(), "test");17System.out.println(description);18description = descriptionFormatter.format(descriptionFormatter.element(), "test");19System.out.println(description);20description = descriptionFormatter.format(descriptionFormatter.key(), "test");21System.out.println(description);22description = descriptionFormatter.format(descriptionFormatter.description(), "test");23System.out.println(description);24description = descriptionFormatter.format(descriptionFormatter.parameter(), "test");25System.out.println(description);26description = descriptionFormatter.format(descriptionFormatter.index(), "test");27System.out.println(description);

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