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How to use describeRegisteredComparatorForFields method of org.assertj.core.api.recursive.comparison.RecursiveComparisonConfiguration class

Best Assertj code snippet using org.assertj.core.api.recursive.comparison.RecursiveComparisonConfiguration.describeRegisteredComparatorForFields

Source:RecursiveComparisonConfiguration.java

...474    describeIgnoreCollectionOrder(description);475    describeIgnoredCollectionOrderInFields(description);476    describeIgnoredCollectionOrderInFieldsMatchingRegexes(description);477    describeRegisteredComparatorByTypes(description);478    describeRegisteredComparatorForFields(description);479    describeTypeCheckingStrictness(description);480    return description.toString();481  }482  boolean shouldIgnore(DualValue dualValue) {483    FieldLocation fieldLocation = dualValue.fieldLocation;484    return matchesAnIgnoredField(fieldLocation)485           || matchesAnIgnoredFieldRegex(fieldLocation)486           || shouldIgnoreFieldBasedOnFieldValue(dualValue);487  }488  Set<String> getNonIgnoredActualFieldNames(DualValue dualValue) {489    Set<String> actualFieldsNames = Objects.getFieldsNames(dualValue.actual.getClass());490    // we are doing the same as shouldIgnore(DualValue dualValue) but in two steps for performance reasons:491    // - we filter first ignored field by names that don't need building DualValues492    // - then we filter field DualValues with the remaining criteria that need to get the field value493    // DualValues are built introspecting fields which is expensive.494    return actualFieldsNames.stream()495                            // evaluate field name ignoring criteria on dualValue field location + field name496                            .filter(fieldName -> !shouldIgnoreFieldBasedOnFieldLocation(dualValue.fieldLocation.field(fieldName)))497                            .map(fieldName -> dualValueForField(dualValue, fieldName))498                            // evaluate field value ignoring criteria499                            .filter(fieldDualValue -> !shouldIgnoreFieldBasedOnFieldValue(fieldDualValue))500                            // back to field name501                            .map(DualValue::getFieldName)502                            .filter(fieldName -> !fieldName.isEmpty())503                            .collect(toSet());504  }505  // non accessible stuff506  private boolean shouldIgnoreFieldBasedOnFieldValue(DualValue dualValue) {507    return matchesAnIgnoredNullField(dualValue)508           || matchesAnIgnoredFieldType(dualValue)509           || matchesAnIgnoredEmptyOptionalField(dualValue);510  }511  private boolean shouldIgnoreFieldBasedOnFieldLocation(FieldLocation fieldLocation) {512    return matchesAnIgnoredField(fieldLocation) || matchesAnIgnoredFieldRegex(fieldLocation);513  }514  private static DualValue dualValueForField(DualValue parentDualValue, String fieldName) {515    Object actualFieldValue = COMPARISON.getSimpleValue(fieldName, parentDualValue.actual);516    // no guarantees we have a field in expected named as fieldName517    Object expectedFieldValue;518    try {519      expectedFieldValue = COMPARISON.getSimpleValue(fieldName, parentDualValue.expected);520    } catch (@SuppressWarnings("unused") Exception e) {521      // set the field to null to express it is absent, this not 100% accurate as the value could be null522      // but it works to evaluate if dualValue should be ignored with matchesAnIgnoredFieldType523      expectedFieldValue = null;524    }525    FieldLocation fieldLocation = parentDualValue.fieldLocation.field(fieldName);526    return new DualValue(fieldLocation, actualFieldValue, expectedFieldValue);527  }528  boolean hasCustomComparator(DualValue dualValue) {529    String fieldName = dualValue.getConcatenatedPath();530    if (hasComparatorForField(fieldName)) return true;531    if (dualValue.actual == null && dualValue.expected == null) return false;532    // best effort assuming actual and expected have the same type (not 100% true as we can compare object of differennt types)533    Class<?> valueType = dualValue.actual != null ? dualValue.actual.getClass() : dualValue.expected.getClass();534    return hasComparatorForType(valueType);535  }536  boolean shouldIgnoreOverriddenEqualsOf(DualValue dualValue) {537    // we must compare java basic types otherwise the recursive comparison loops infinitely!538    if (dualValue.isActualJavaType()) return false;539    // enums don't have fields, comparing them field by field has no sense, we need to use equals which is overridden and final540    if (dualValue.isActualAnEnum()) return false;541    return ignoreAllOverriddenEquals542           || matchesAnIgnoredOverriddenEqualsField(dualValue.fieldLocation)543           || (dualValue.actual != null && shouldIgnoreOverriddenEqualsOf(dualValue.actual.getClass()));544  }545  @VisibleForTesting546  boolean shouldIgnoreOverriddenEqualsOf(Class<? extends Object> clazz) {547    return matchesAnIgnoredOverriddenEqualsRegex(clazz) || matchesAnIgnoredOverriddenEqualsType(clazz);548  }549  boolean shouldIgnoreCollectionOrder(FieldLocation fieldLocation) {550    return ignoreCollectionOrder551           || matchesAnIgnoredCollectionOrderInField(fieldLocation)552           || matchesAnIgnoredCollectionOrderInFieldRegex(fieldLocation);553  }554  private void describeIgnoredFieldsRegexes(StringBuilder description) {555    if (!ignoredFieldsRegexes.isEmpty())556      description.append(format("- the fields matching the following regexes were ignored in the comparison: %s%n",557                                describeRegexes(ignoredFieldsRegexes)));558  }559  private void describeIgnoredFields(StringBuilder description) {560    if (!ignoredFields.isEmpty())561      description.append(format("- the following fields were ignored in the comparison: %s%n", describeIgnoredFields()));562  }563  private void describeIgnoredFieldsForTypes(StringBuilder description) {564    if (!ignoredTypes.isEmpty())565      description.append(format("- the following types were ignored in the comparison: %s%n", describeIgnoredTypes()));566  }567  private void describeIgnoreAllActualNullFields(StringBuilder description) {568    if (ignoreAllActualNullFields) description.append(format("- all actual null fields were ignored in the comparison%n"));569  }570  private void describeIgnoreAllActualEmptyOptionalFields(StringBuilder description) {571    if (getIgnoreAllActualEmptyOptionalFields())572      description.append(format("- all actual empty optional fields were ignored in the comparison (including Optional, OptionalInt, OptionalLong and OptionalDouble)%n"));573  }574  private void describeIgnoreAllExpectedNullFields(StringBuilder description) {575    if (ignoreAllExpectedNullFields) description.append(format("- all expected null fields were ignored in the comparison%n"));576  }577  private void describeOverriddenEqualsMethodsUsage(StringBuilder description, Representation representation) {578    String header = ignoreAllOverriddenEquals579        ? "- no overridden equals methods were used in the comparison (except for java types)"580        : "- overridden equals methods were used in the comparison";581    description.append(header);582    if (isConfiguredToIgnoreSomeButNotAllOverriddenEqualsMethods()) {583      description.append(format(" except for:%n"));584      describeIgnoredOverriddenEqualsMethods(description, representation);585    } else {586      description.append(format("%n"));587    }588  }589  private void describeIgnoredOverriddenEqualsMethods(StringBuilder description, Representation representation) {590    if (!ignoredOverriddenEqualsForFields.isEmpty())591      description.append(format("%s the following fields: %s%n", INDENT_LEVEL_2,592                                describeIgnoredOverriddenEqualsForFields()));593    if (!ignoredOverriddenEqualsForTypes.isEmpty())594      description.append(format("%s the following types: %s%n", INDENT_LEVEL_2,595                                describeIgnoredOverriddenEqualsForTypes(representation)));596    if (!ignoredOverriddenEqualsForFieldsMatchingRegexes.isEmpty())597      description.append(format("%s the types matching the following regexes: %s%n", INDENT_LEVEL_2,598                                describeRegexes(ignoredOverriddenEqualsForFieldsMatchingRegexes)));599  }600  private String describeIgnoredOverriddenEqualsForTypes(Representation representation) {601    List<String> fieldsDescription = ignoredOverriddenEqualsForTypes.stream()602                                                                    .map(representation::toStringOf)603                                                                    .collect(toList());604    return join(fieldsDescription).with(", ");605  }606  private String describeIgnoredOverriddenEqualsForFields() {607    return join(ignoredOverriddenEqualsForFields).with(", ");608  }609  private void describeIgnoreCollectionOrder(StringBuilder description) {610    if (ignoreCollectionOrder) description.append(format("- collection order was ignored in all fields in the comparison%n"));611  }612  private void describeIgnoredCollectionOrderInFields(StringBuilder description) {613    if (!ignoredCollectionOrderInFields.isEmpty())614      description.append(format("- collection order was ignored in the following fields in the comparison: %s%n",615                                describeIgnoredCollectionOrderInFields()));616  }617  private void describeIgnoredCollectionOrderInFieldsMatchingRegexes(StringBuilder description) {618    if (!ignoredCollectionOrderInFieldsMatchingRegexes.isEmpty())619      description.append(format("- collection order was ignored in the fields matching the following regexes in the comparison: %s%n",620                                describeRegexes(ignoredCollectionOrderInFieldsMatchingRegexes)));621  }622  private boolean matchesAnIgnoredOverriddenEqualsRegex(Class<?> clazz) {623    if (ignoredOverriddenEqualsForFieldsMatchingRegexes.isEmpty()) return false; // shortcut624    String canonicalName = clazz.getCanonicalName();625    return ignoredOverriddenEqualsForFieldsMatchingRegexes.stream()626                                                          .anyMatch(regex -> regex.matcher(canonicalName).matches());627  }628  private boolean matchesAnIgnoredOverriddenEqualsType(Class<?> clazz) {629    return ignoredOverriddenEqualsForTypes.contains(clazz);630  }631  private boolean matchesAnIgnoredOverriddenEqualsField(FieldLocation fieldLocation) {632    return ignoredOverriddenEqualsForFields.stream().anyMatch(fieldLocation::matches);633  }634  private boolean matchesAnIgnoredNullField(DualValue dualValue) {635    return (ignoreAllActualNullFields && dualValue.actual == null)636           || (ignoreAllExpectedNullFields && dualValue.expected == null);637  }638  private boolean matchesAnIgnoredEmptyOptionalField(DualValue dualValue) {639    return ignoreAllActualEmptyOptionalFields640           && dualValue.isActualFieldAnEmptyOptionalOfAnyType();641  }642  private boolean matchesAnIgnoredFieldRegex(FieldLocation fieldLocation) {643    return ignoredFieldsRegexes.stream()644                               .anyMatch(regex -> regex.matcher(fieldLocation.getPathToUseInRules()).matches());645  }646  private boolean matchesAnIgnoredFieldType(DualValue dualValue) {647    Object actual = dualValue.actual;648    if (actual != null) return ignoredTypes.contains(actual.getClass());649    Object expected = dualValue.expected;650    // actual is null => we can't evaluate its type, we can only reliably check dualValue.expected's type if651    // strictTypeChecking is enabled which guarantees expected is of the same type.652    if (strictTypeChecking && expected != null) return ignoredTypes.contains(expected.getClass());653    // if strictTypeChecking is disabled, we can't safely ignore the field (if we did, we would ignore all null fields!).654    return false;655  }656  private boolean matchesAnIgnoredField(FieldLocation fieldLocation) {657    return ignoredFields.stream().anyMatch(fieldLocation::matches);658  }659  private boolean matchesAnIgnoredCollectionOrderInField(FieldLocation fieldLocation) {660    return ignoredCollectionOrderInFields.stream().anyMatch(fieldLocation::matches);661  }662  private boolean matchesAnIgnoredCollectionOrderInFieldRegex(FieldLocation fieldLocation) {663    String pathToUseInRules = fieldLocation.getPathToUseInRules();664    return ignoredCollectionOrderInFieldsMatchingRegexes.stream().anyMatch(regex -> regex.matcher(pathToUseInRules).matches());665  }666  private String describeIgnoredFields() {667    return join(ignoredFields).with(", ");668  }669  private String describeIgnoredTypes() {670    List<String> typesDescription = ignoredTypes.stream()671                                                .map(Class::getName)672                                                .collect(toList());673    return join(typesDescription).with(", ");674  }675  private String describeIgnoredCollectionOrderInFields() {676    return join(ignoredCollectionOrderInFields).with(", ");677  }678  private String describeRegexes(List<Pattern> regexes) {679    List<String> fieldsDescription = regexes.stream()680                                            .map(Pattern::pattern)681                                            .collect(toList());682    return join(fieldsDescription).with(", ");683  }684  private boolean isConfiguredToIgnoreSomeButNotAllOverriddenEqualsMethods() {685    boolean ignoreSomeOverriddenEqualsMethods = !ignoredOverriddenEqualsForFieldsMatchingRegexes.isEmpty()686                                                || !ignoredOverriddenEqualsForTypes.isEmpty()687                                                || !ignoredOverriddenEqualsForFields.isEmpty();688    return !ignoreAllOverriddenEquals && ignoreSomeOverriddenEqualsMethods;689  }690  private void describeRegisteredComparatorByTypes(StringBuilder description) {691    if (!typeComparators.isEmpty()) {692      description.append(format("- these types were compared with the following comparators:%n"));693      describeComparatorForTypes(description);694    }695  }696  private void describeComparatorForTypes(StringBuilder description) {697    typeComparators.comparatorByTypes()698                   .map(this::formatRegisteredComparatorByType)699                   .forEach(description::append);700  }701  private String formatRegisteredComparatorByType(Entry<Class<?>, Comparator<?>> next) {702    return format("%s %s -> %s%n", INDENT_LEVEL_2, next.getKey().getName(), next.getValue());703  }704  private void describeRegisteredComparatorForFields(StringBuilder description) {705    if (!fieldComparators.isEmpty()) {706      description.append(format("- these fields were compared with the following comparators:%n"));707      describeComparatorForFields(description);708      if (!typeComparators.isEmpty()) {709        description.append(format("- field comparators take precedence over type comparators.%n"));710      }711    }712  }713  private void describeComparatorForFields(StringBuilder description) {714    fieldComparators.comparatorByFields()715                    .map(this::formatRegisteredComparatorForField)716                    .forEach(description::append);717  }718  private String formatRegisteredComparatorForField(Entry<String, Comparator<?>> comparatorForField) {...

describeRegisteredComparatorForFields

Using AI Code Generation

1import org.assertj.core.api.recursive.comparison.RecursiveComparisonConfiguration;2import org.junit.jupiter.api.Test;3import java.util.Arrays;4import java.util.List;5import static org.assertj.core.api.Assertions.assertThat;6import static org.assertj.core.api.Assertions.assertThatExceptionOfType;7import static org.assertj.core.api.Assertions.within;8import static org.assertj.core.api.recursive.comparison.FieldLocation.fieldLocation;9import static org.assertj.core.api.recursive.comparison.FieldLocation.root;10import static org.assertj.core.api.recursive.comparison.RecursiveComparisonConfiguration.builder;11public class RecursiveComparisonConfigurationTest {12    static class Person {13        String name;14        int age;15        List<Person> friends;16        Person bestFriend;17        Address address;18        public Person(String name, int age, List<Person> friends, Person bestFriend, Address address) {19            this.name = name;20            this.age = age;21            this.friends = friends;22            this.bestFriend = bestFriend;23            this.address = address;24        }25    }26    static class Address {27        String street;28        String city;29        public Address(String street, String city) {30            this.street = street;31            this.city = city;32        }33    }34    public void should_use_comparator_for_field() {35        Person person1 = new Person("John", 20, Arrays.asList(new Person("Jack", 21, null, null, null), new Person("Jill", 22, null, null, null)), new Person("Jack", 21, null, null, null), new Address("Main street", "Paris"));36        Person person2 = new Person("John", 20, Arrays.asList(new Person("Jack", 21, null, null, null), new Person("Jill", 22, null, null, null)), new Person("Jack", 21, null, null, null), new Address("Main street", "London"));37        RecursiveComparisonConfiguration recursiveComparisonConfiguration = builder().withComparatorForFields(within(0.0), "address.city").build();38        boolean equal = person1.equals(person2, recursiveComparisonConfiguration);39        assertThat(equal).isTrue();40    }41    public void should_use_comparator_for_field_location() {42        Person person1 = new Person("John", 20, Arrays.asList(new Person("Jack", 21, null, null,

describeRegisteredComparatorForFields

Using AI Code Generation

1import org.junit.jupiter.api.*;2import org.junit.jupiter.api.extension.*;3import org.junit.jupiter.params.*;4import org.junit.jupiter.params.provider.*;5import org.junit.jupiter.params.converter.*;6import static org.junit.jupiter.api.Assertions.*;7import static org.assertj.core.api.Assertions.*;8import java.util.*;9import java.util.stream.*;10import static java.util.stream.Collectors.*;11import java.time.*;12import java.time.format.*;13import org.assertj.core.api.recursive.comparison.*;14class RecursiveComparisonTest {15    void shouldCompareObjects() {16        Person person = new Person("John", "Doe");17        Person person2 = new Person("John", "Doe");18        assertThat(person).usingRecursiveComparison().isEqualTo(person2);19    }20    void shouldCompareObjectsWithCustomComparator() {21        Person person = new Person("John", "Doe");22        Person person2 = new Person("John", "Doe");23        assertThat(person).usingRecursiveComparison()24            .withComparatorForFields((a, b) -> a.length() == b.length(), "firstName")25            .isEqualTo(person2);26    }27    void shouldCompareObjectsWithCustomComparatorForAllFields() {28        Person person = new Person("John", "Doe");29        Person person2 = new Person("John", "Doe");30        assertThat(person).usingRecursiveComparison()31            .withComparatorForAllFields((a, b) -> a.length() == b.length())32            .isEqualTo(person2);33    }34    void shouldCompareObjectsWithCustomComparatorForType() {35        Person person = new Person("John", "Doe");36        Person person2 = new Person("John", "Doe");37        assertThat(person).usingRecursiveComparison()38            .withComparatorForType((a, b) -> a.length() == b.length(), String.class)39            .isEqualTo(person2);40    }41    void shouldCompareObjectsWithCustomComparatorForFields() {42        Person person = new Person("John", "Doe");43        Person person2 = new Person("John", "Doe");44        assertThat(person).usingRecursiveComparison()

describeRegisteredComparatorForFields

Using AI Code Generation

1import org.assertj.core.api.recursive.comparison.*;2import org.assertj.core.api.recursive.comparison.RecursiveComparisonConfiguration.*;3public class RecursiveComparisonConfigurationDescribeRegisteredComparatorForFieldsExample {4  public static void main(String[] args) {5    RecursiveComparisonConfiguration recursiveComparisonConfiguration = new RecursiveComparisonConfiguration();6    recursiveComparisonConfiguration.registerComparatorForFields(new ComparatorForFields() {7      public boolean areEqual(Object actual, Object other) {8        return true;9      }10    }, "name", "age");11    String description = recursiveComparisonConfiguration.describeRegisteredComparatorForFields();12    System.out.println(description);13  }14}15import org.assertj.core.api.recursive.comparison.*;16import org.assertj.core.api.recursive.comparison.RecursiveComparisonConfiguration.*;17public class RecursiveComparisonConfigurationDescribeRegisteredComparatorsForTypeExample {18  public static void main(String[] args) {19    RecursiveComparisonConfiguration recursiveComparisonConfiguration = new RecursiveComparisonConfiguration();20    recursiveComparisonConfiguration.registerComparatorForType(new ComparatorForType() {21      public boolean areEqual(Object actual, Object other) {22        return true;23      }24    }, Person.class);25    String description = recursiveComparisonConfiguration.describeRegisteredComparatorsForType();26    System.out.println(description);27  }28}29import org.assertj.core.api.recursive.comparison.*;30import org.assertj.core.api.recursive.comparison.RecursiveComparisonConfiguration.*;31public class RecursiveComparisonConfigurationDescribeRegisteredComparatorsExample {32  public static void main(String[] args) {33    RecursiveComparisonConfiguration recursiveComparisonConfiguration = new RecursiveComparisonConfiguration();34    recursiveComparisonConfiguration.registerComparatorForFields(new ComparatorForFields() {35      public boolean areEqual(Object actual, Object other) {36        return true;37      }38    }, "name", "age");39    recursiveComparisonConfiguration.registerComparatorForType(new ComparatorForType() {40      public boolean areEqual(Object actual, Object other) {41        return true;42      }43    }, Person.class);

describeRegisteredComparatorForFields

Using AI Code Generation

1import org.assertj.core.api.recursive.comparison.RecursiveComparisonConfiguration;2import org.assertj.core.api.recursive.comparison.FieldLocation;3import org.assertj.core.api.recursive.comparison.FieldLocation.FieldLocationType;4import static org.assertj.core.api.Assertions.assertThat;5public class RecursiveComparisonConfigurationExample {6    public static void main(String[] args) {7        Person person1 = new Person("John", 25, new Address("1234", "Main St", "New York", "NY"));8        Person person2 = new Person("John", 25, new Address("1234", "Main St", "New York", "NY"));9        assertThat(person1).usingRecursiveComparison()10                .ignoringFields("address.zipCode").isEqualTo(person2);11    }12    static class Person {13        String name;14        int age;15        Address address;16        public Person(String name, int age, Address address) {17            this.name = name;18            this.age = age;19            this.address = address;20        }21    }22    static class Address {23        String streetNumber;24        String streetName;25        String city;26        String state;27        String zipCode;28        public Address(String streetNumber, String streetName, String city, String state, String zipCode) {29            this.streetNumber = streetNumber;30            this.streetName = streetName;31            this.city = city;32            this.state = state;33            this.zipCode = zipCode;34        }35        public Address(String streetNumber, String streetName, String city, String state) {36            this.streetNumber = streetNumber;37            this.streetName = streetName;38            this.city = city;39            this.state = state;40        }41    }42}43  Person(name=John, age=25, address=Address(streetNumber=1234, streetName=Main St, city=New York, state=NY, zipCode=null))44  Person(name=John, age=25, address=Address(streetNumber=1234, streetName=Main St, city=New York, state=NY, zipCode=null))

describeRegisteredComparatorForFields

Using AI Code Generation

1import java.util.List;2import java.util.Objects;3import java.util.function.BiPredicate;4import org.assertj.core.api.recursive.comparison.ComparisonStrategy;5import org.assertj.core.api.recursive.comparison.FieldLocation;6import org.assertj.core.api.recursive.comparison.FieldLocation.FieldLocationBuilder;7import org.assertj.core.api.recursive.comparison.RecursiveComparisonConfiguration;8import org.assertj.core.api.recursive.comparison.RecursiveComparisonDifference;9import org.assertj.core.api.recursive.comparison.RecursiveComparisonDifference.DifferenceType;10import org.assertj.core.api.recursive.comparison.RecursiveComparisonDifference.RecursiveComparisonDifferenceBuilder;11import org.assertj.core.api.recursive.comparison.RecursiveComparisonDifference.RecursiveComparisonDifferenceBuilder.RecursiveComparisonDifferenceBuilderForField;12import org.assertj.core.api.recursive.comparison.RecursiveFieldComparisonAssert;13import org.assertj.core.api.recursive.comparison.RecursiveFieldComparisonCustomizer;14import org.assertj.core.api.recursive.comparison.RecursiveFieldComparisonCustomizer.RecursiveFieldComparisonCustomizerForField;15import org.assertj.core.api.recursive.comparison.RecursiveFieldComparisonCustomizer.RecursiveFieldComparisonCustomizerForFields;16import org.assertj.core.api.recursive.comparison.RecursiveFieldComparisonCustomizer.RecursiveFieldComparisonCustomizerForType;17import org.assertj.core.api.recursive.comparison.RecursiveFieldComparisonCustomizer.RecursiveFieldComparisonCustomizerForTypes;18import org.assertj.core.api.recursive.comparison.RecursiveFieldComparisonDifference;19import org.assertj.core.api.recursive.comparison.RecursiveFieldComparisonDifference.RecursiveFieldComparisonDifferenceBuilder;20import org.assertj.core.api.recursive.comparison.RecursiveFieldComparisonDifference.RecursiveFieldComparisonDifferenceBuilder.RecursiveFieldComparisonDifferenceBuilderForField;21import org.assertj.core.api.recursive.comparison.RecursiveFieldComparisonDifference.RecursiveFieldComparisonDifferenceBuilder.RecursiveFieldComparisonDifferenceBuilderForFields;22import org.assertj.core.api.recursive.comparison.RecursiveFieldComparisonDifference.RecursiveFieldComparisonDifferenceBuilder.RecursiveFieldComparisonDifferenceBuilderForType;23import org.assertj.core.api.recursive.comparison.RecursiveFieldComparisonDifference.RecursiveFieldComparisonDifferenceBuilder.RecursiveFieldComparisonDifferenceBuilderForTypes;24import org.assertj.core.api.recursive.comparison.RecursiveField

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