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How to use RecursiveComparisonAssert method of org.assertj.core.api.RecursiveComparisonAssert class

Best Assertj code snippet using org.assertj.core.api.RecursiveComparisonAssert.RecursiveComparisonAssert

Source:RecursiveComparisonConfiguration.java

...30import java.util.Set;31import java.util.function.BiPredicate;32import java.util.regex.Pattern;33import java.util.stream.Stream;34import org.assertj.core.api.RecursiveComparisonAssert;35import org.assertj.core.internal.Objects;36import org.assertj.core.internal.TypeComparators;37import org.assertj.core.presentation.Representation;38import org.assertj.core.util.VisibleForTesting;39public class RecursiveComparisonConfiguration {40  public static final String INDENT_LEVEL_2 = "  -";41  private boolean strictTypeChecking = false;42  // fields to ignore section43  private boolean ignoreAllActualNullFields = false;44  private boolean ignoreAllActualEmptyOptionalFields = false;45  private boolean ignoreAllExpectedNullFields = false;46  private Set<String> ignoredFields = new LinkedHashSet<>();47  private List<Pattern> ignoredFieldsRegexes = new ArrayList<>();48  private Set<Class<?>> ignoredTypes = new LinkedHashSet<>();49  // overridden equals method to ignore section50  private List<Class<?>> ignoredOverriddenEqualsForTypes = new ArrayList<>();51  private List<String> ignoredOverriddenEqualsForFields = new ArrayList<>();52  private List<Pattern> ignoredOverriddenEqualsForFieldsMatchingRegexes = new ArrayList<>();53  private boolean ignoreAllOverriddenEquals = true;54  // ignore order in collections section55  private boolean ignoreCollectionOrder = false;56  private Set<String> ignoredCollectionOrderInFields = new LinkedHashSet<>();57  private List<Pattern> ignoredCollectionOrderInFieldsMatchingRegexes = new ArrayList<>();58  // registered comparators section59  private TypeComparators typeComparators = defaultTypeComparators();60  private FieldComparators fieldComparators = new FieldComparators();61  private RecursiveComparisonConfiguration(Builder builder) {62    this.strictTypeChecking = builder.strictTypeChecking;63    this.ignoreAllActualNullFields = builder.ignoreAllActualNullFields;64    this.ignoreAllActualEmptyOptionalFields = builder.ignoreAllActualEmptyOptionalFields;65    this.ignoreAllExpectedNullFields = builder.ignoreAllExpectedNullFields;66    this.ignoredFields = newLinkedHashSet(builder.ignoredFields);67    ignoreFieldsMatchingRegexes(builder.ignoredFieldsMatchingRegexes);68    ignoreFieldsOfTypes(builder.ignoredTypes);69    ignoreOverriddenEqualsForTypes(builder.ignoredOverriddenEqualsForTypes);70    this.ignoredOverriddenEqualsForFields = list(builder.ignoredOverriddenEqualsForFields);71    ignoreOverriddenEqualsForFieldsMatchingRegexes(builder.ignoredOverriddenEqualsForFieldsMatchingRegexes);72    this.ignoreAllOverriddenEquals = builder.ignoreAllOverriddenEquals;73    this.ignoreCollectionOrder = builder.ignoreCollectionOrder;74    this.ignoredCollectionOrderInFields = newLinkedHashSet(builder.ignoredCollectionOrderInFields);75    ignoreCollectionOrderInFieldsMatchingRegexes(builder.ignoredCollectionOrderInFieldsMatchingRegexes);76    this.typeComparators = builder.typeComparators;77    this.fieldComparators = builder.fieldComparators;78  }79  public RecursiveComparisonConfiguration() {}80  public boolean hasComparatorForField(String fieldName) {81    return fieldComparators.hasComparatorForField(fieldName);82  }83  public Comparator<?> getComparatorForField(String fieldName) {84    return fieldComparators.getComparatorForField(fieldName);85  }86  public FieldComparators getFieldComparators() {87    return fieldComparators;88  }89  public boolean hasComparatorForType(Class<?> keyType) {90    return typeComparators.hasComparatorForType(keyType);91  }92  public boolean hasCustomComparators() {93    return !typeComparators.isEmpty() || !fieldComparators.isEmpty();94  }95  public Comparator<?> getComparatorForType(Class<?> fieldType) {96    return typeComparators.get(fieldType);97  }98  public TypeComparators getTypeComparators() {99    return typeComparators;100  }101  Stream<Entry<Class<?>, Comparator<?>>> comparatorByTypes() {102    return typeComparators.comparatorByTypes();103  }104  @VisibleForTesting105  boolean getIgnoreAllActualNullFields() {106    return ignoreAllActualNullFields;107  }108  @VisibleForTesting109  boolean getIgnoreAllExpectedNullFields() {110    return ignoreAllExpectedNullFields;111  }112  @VisibleForTesting113  boolean getIgnoreAllOverriddenEquals() {114    return ignoreAllOverriddenEquals;115  }116  /**117   * Sets whether actual empty optional fields are ignored in the recursive comparison.118   * <p>119   * See {@link RecursiveComparisonAssert#ignoringActualNullFields()} for code examples.120   *121   * @param ignoringAllActualEmptyOptionalFields whether to ignore actual empty optional fields in the recursive comparison122   */123  public void setIgnoreAllActualEmptyOptionalFields(boolean ignoringAllActualEmptyOptionalFields) {124    this.ignoreAllActualEmptyOptionalFields = ignoringAllActualEmptyOptionalFields;125  }126  @VisibleForTesting127  boolean getIgnoreAllActualEmptyOptionalFields() {128    return ignoreAllActualEmptyOptionalFields;129  }130  /**131   * Sets whether actual null fields are ignored in the recursive comparison.132   * <p>133   * See {@link RecursiveComparisonAssert#ignoringActualNullFields()} for code examples.134   *135   * @param ignoreAllActualNullFields whether to ignore actual null fields in the recursive comparison136   */137  public void setIgnoreAllActualNullFields(boolean ignoreAllActualNullFields) {138    this.ignoreAllActualNullFields = ignoreAllActualNullFields;139  }140  /**141   * Sets whether expected null fields are ignored in the recursive comparison.142   * <p>143   * See {@link RecursiveComparisonAssert#ignoringExpectedNullFields()} for code examples.144   *145   * @param ignoreAllExpectedNullFields whether to ignore expected null fields in the recursive comparison146   */147  public void setIgnoreAllExpectedNullFields(boolean ignoreAllExpectedNullFields) {148    this.ignoreAllExpectedNullFields = ignoreAllExpectedNullFields;149  }150  /**151   * Adds the given fields to the list of the object under test fields to ignore in the recursive comparison.152   * <p>153   * The field are ignored by name, not by value.154   * <p>155   * See {@link RecursiveComparisonAssert#ignoringFields(String...) RecursiveComparisonAssert#ignoringFields(String...)} for examples.156   *157   * @param fieldsToIgnore the fields of the object under test to ignore in the comparison.158   */159  public void ignoreFields(String... fieldsToIgnore) {160    List<String> fieldLocations = list(fieldsToIgnore);161    ignoredFields.addAll(fieldLocations);162  }163  /**164   * Allows to ignore in the recursive comparison the object under test fields matching the given regexes. The given regexes are added to the already registered ones.165   * <p>166   * See {@link RecursiveComparisonAssert#ignoringFieldsMatchingRegexes(String...) RecursiveComparisonAssert#ignoringFieldsMatchingRegexes(String...)} for examples.167   *168   * @param regexes regexes used to ignore fields in the comparison.169   */170  public void ignoreFieldsMatchingRegexes(String... regexes) {171    ignoredFieldsRegexes.addAll(Stream.of(regexes)172                                      .map(Pattern::compile)173                                      .collect(toList()));174  }175  /**176   * Adds the given types to the list of the object under test fields types to ignore in the recursive comparison.177   * The fields are ignored if their types exactly match one of the ignored types, if a field is a subtype of an ignored type it won't be ignored.178   * <p>179   * Note that if some object under test fields are null, they are not ignored by this method as their type can't be evaluated.180   * <p>181   * See {@link RecursiveComparisonAssert#ignoringFields(String...) RecursiveComparisonAssert#ignoringFieldsOfTypes(Class...)} for examples.182   *183   * @param types the types of the object under test to ignore in the comparison.184   */185  public void ignoreFieldsOfTypes(Class<?>... types) {186    stream(types).map(RecursiveComparisonConfiguration::asWrapperIfPrimitiveType).forEach(ignoredTypes::add);187  }188  private static Class<?> asWrapperIfPrimitiveType(Class<?> type) {189    if (!type.isPrimitive()) return type;190    if (type.equals(boolean.class)) return Boolean.class;191    if (type.equals(byte.class)) return Byte.class;192    if (type.equals(int.class)) return Integer.class;193    if (type.equals(short.class)) return Short.class;194    if (type.equals(char.class)) return Character.class;195    if (type.equals(float.class)) return Float.class;196    if (type.equals(double.class)) return Double.class;197    // should not arrive here since we have tested primitive types first198    return type;199  }200  /**201   * Returns the list of the object under test fields to ignore in the recursive comparison.202   *203   * @return the list of the object under test fields to ignore in the recursive comparison.204   */205  public Set<String> getIgnoredFields() {206    return ignoredFields;207  }208  /**209   * Returns the set of the object under test fields types to ignore in the recursive comparison.210   *211   * @return the set of the object under test fields types to ignore in the recursive comparison.212   */213  public Set<Class<?>> getIgnoredTypes() {214    return ignoredTypes;215  }216  /**217   * Force a recursive comparison on all fields (except java types).218   * <p>219   * See {@link RecursiveComparisonAssert#ignoringAllOverriddenEquals()} for examples.220   */221  public void ignoreAllOverriddenEquals() {222    ignoreAllOverriddenEquals = true;223  }224  /**225   * Force a recursive comparison on all fields (except java types).226   * <p>227   * See {@link RecursiveComparisonAssert#usingOverriddenEquals()} for examples.228   */229  public void useOverriddenEquals() {230    ignoreAllOverriddenEquals = false;231  }232  /**233   * Adds the given fields to the list of fields to force a recursive comparison on.234   * <p>235   * See {@link RecursiveComparisonAssert#ignoringOverriddenEqualsForFields(String...) RecursiveComparisonAssert#ignoringOverriddenEqualsForFields(String...)} for examples.236   *237   * @param fields the fields to force a recursive comparison on.238   */239  public void ignoreOverriddenEqualsForFields(String... fields) {240    List<String> fieldLocations = list(fields);241    ignoredOverriddenEqualsForFields.addAll(fieldLocations);242  }243  /**244   * Adds the given regexes to the list of regexes used find the fields to force a recursive comparison on.245   * <p>246   * See {@link RecursiveComparisonAssert#ignoringOverriddenEqualsForFieldsMatchingRegexes(String...) RecursiveComparisonAssert#ignoringOverriddenEqualsForFieldsMatchingRegexes(String...)} for examples.247   *248   * @param regexes regexes used to specify the fields we want to force a recursive comparison on.249   */250  public void ignoreOverriddenEqualsForFieldsMatchingRegexes(String... regexes) {251    ignoredOverriddenEqualsForFieldsMatchingRegexes.addAll(Stream.of(regexes)252                                                                 .map(Pattern::compile)253                                                                 .collect(toList()));254  }255  /**256   * Adds the given types to the list of types to force a recursive comparison on.257   * <p>258   * See {@link RecursiveComparisonAssert#ignoringOverriddenEqualsForTypes(Class...) RecursiveComparisonAssert#ignoringOverriddenEqualsForTypes(Class...)} for examples.259   *260   * @param types the types to the list of types to force a recursive comparison on.261   */262  public void ignoreOverriddenEqualsForTypes(Class<?>... types) {263    ignoredOverriddenEqualsForTypes.addAll(list(types));264  }265  @VisibleForTesting266  boolean getIgnoreCollectionOrder() {267    return ignoreCollectionOrder;268  }269  /**270   * Sets whether to ignore collection order in the comparison.271   * <p>272   * See {@link RecursiveComparisonAssert#ignoringCollectionOrder()} for code examples.273   *274   * @param ignoreCollectionOrder whether to ignore collection order in the comparison.275   */276  public void ignoreCollectionOrder(boolean ignoreCollectionOrder) {277    this.ignoreCollectionOrder = ignoreCollectionOrder;278  }279  /**280   * Adds the given fields to the list of the object under test fields to ignore collection order in the recursive comparison.281   * <p>282   * See {@link RecursiveComparisonAssert#ignoringCollectionOrderInFields(String...) RecursiveComparisonAssert#ignoringCollectionOrderInFields(String...)} for examples.283   *284   * @param fieldsToIgnoreCollectionOrder the fields of the object under test to ignore collection order in the comparison.285   */286  public void ignoreCollectionOrderInFields(String... fieldsToIgnoreCollectionOrder) {287    List<String> fieldLocations = list(fieldsToIgnoreCollectionOrder);288    ignoredCollectionOrderInFields.addAll(fieldLocations);289  }290  /**291   * Returns the list of the object under test fields to ignore collection order in the recursive comparison.292   *293   * @return the list of the object under test fields to ignore collection order in the recursive comparison.294   */295  public Set<String> getIgnoredCollectionOrderInFields() {296    return ignoredCollectionOrderInFields;297  }298  /**299   * Adds the given regexes to the list of regexes used to find the object under test fields to ignore collection order in the recursive comparison.300   * <p>301   * See {@link RecursiveComparisonAssert#ignoringCollectionOrderInFieldsMatchingRegexes(String...) RecursiveComparisonAssert#ignoringCollectionOrderInFieldsMatchingRegexes(String...)} for examples.302   *303   * @param regexes regexes used to find the object under test fields to ignore collection order in in the comparison.304   */305  public void ignoreCollectionOrderInFieldsMatchingRegexes(String... regexes) {306    ignoredCollectionOrderInFieldsMatchingRegexes.addAll(Stream.of(regexes)307                                                               .map(Pattern::compile)308                                                               .collect(toList()));309  }310  /**311   * Returns the list of regexes used to find the object under test fields to ignore collection order in the recursive comparison.312   *313   * @return the list of regexes used to find the object under test fields to ignore collection order in the recursive comparison.314   */315  public List<Pattern> getIgnoredCollectionOrderInFieldsMatchingRegexes() {316    return ignoredCollectionOrderInFieldsMatchingRegexes;317  }318  /**319   * Registers the given {@link Comparator} to compare the fields with the given type.320   * <p>321   * Comparators registered with this method have less precedence than comparators registered with {@link #registerComparatorForFields(Comparator, String...)}.322   * <p>323   * Note that registering a {@link Comparator} for a given type will override the previously registered BiPredicate/Comparator (if any).324   * <p>325   * See {@link RecursiveComparisonAssert#withComparatorForType(Comparator, Class)} for examples.326   *327   * @param <T> the class type to register a comparator for328   * @param comparator the {@link java.util.Comparator Comparator} to use to compare the given type329   * @param type the type to be compared with the given comparator.330   * @throws NullPointerException if the given comparator is null.331   */332  public <T> void registerComparatorForType(Comparator<? super T> comparator, Class<T> type) {333    requireNonNull(comparator, "Expecting a non null Comparator");334    typeComparators.put(type, comparator);335  }336  /**337   * Registers the given {@link BiPredicate} to compare the fields with the given type.338   * <p>339   * BiPredicates specified with this method have less precedence than the ones registered with {@link #registerEqualsForFields(BiPredicate, String...)}340   * or comparators registered with {@link #registerComparatorForFields(Comparator, String...)}.341   * <p>342   * Note that registering a {@link BiPredicate} for a given type will override the previously registered BiPredicate/Comparator (if any).343   * <p>344   * See {@link RecursiveComparisonAssert#withEqualsForType(BiPredicate, Class)} for examples.345   *346   * @param <T> the class type to register a comparator for347   * @param equals the equals implementation to compare the given type348   * @param type the type to be compared with the given equals implementation .349   * @throws NullPointerException if the given BiPredicate is null.350   * @since 3.17.0351   */352  @SuppressWarnings("unchecked")353  public <T> void registerEqualsForType(BiPredicate<? super T, ? super T> equals, Class<T> type) {354    registerComparatorForType(toComparator(equals), type);355  }356  /**357   * Registers the given {@link Comparator} to compare the fields at the given locations.358   * <p>359   * The fields must be specified from the root object, for example if {@code Foo} has a {@code Bar} field and both have an {@code id} field,360   * one can register a comparator for Foo and Bar's {@code id} by calling:361   * <pre><code class='java'> registerComparatorForFields(idComparator, "foo.id", "foo.bar.id")</code></pre>362   * <p>363   * Comparators registered with this method have precedence over comparators registered with {@link #registerComparatorForType(Comparator, Class)}.364   * <p>365   * Note that registering a {@link Comparator} for a given field will override the previously registered BiPredicate/Comparator (if any).366   * <p>367   * See {@link RecursiveComparisonAssert#withComparatorForFields(Comparator, String...) RecursiveComparisonAssert#withComparatorForFields(Comparator, String...)} for examples.368   *369   * @param comparator the {@link java.util.Comparator Comparator} to use to compare the given field370   * @param fieldLocations the locations from the root object of the fields the comparator should be used for371   * @throws NullPointerException if the given comparator is null.372   */373  public void registerComparatorForFields(Comparator<?> comparator, String... fieldLocations) {374    requireNonNull(comparator, "Expecting a non null Comparator");375    Stream.of(fieldLocations).forEach(fieldLocation -> fieldComparators.registerComparator(fieldLocation, comparator));376  }377  /**378   * Registers the given {@link BiPredicate} to compare the fields at the given locations.379   * <p>380   * The fields must be specified from the root object, for example if {@code Foo} has a {@code Bar} field and both have an {@code id} field,381   * one can register a BiPredicate for Foo and Bar's {@code id} by calling:382   * <pre><code class='java'> registerEqualsForFields(idBiPredicate, "foo.id", "foo.bar.id")</code></pre>383   * <p>384   * BiPredicates registered with this method have precedence over the ones registered with {@link #registerEqualsForType(BiPredicate, Class)}385   * or the comparators registered with {@link #registerComparatorForType(Comparator, Class)}.386   * <p>387   * Note that registering a {@link BiPredicate} for a given field will override the previously registered BiPredicate/Comparator (if any).388   * <p>389   * See {@link RecursiveComparisonAssert#withEqualsForFields(BiPredicate, String...) RecursiveComparisonAssert#withEqualsForFields(BiPredicate, String...)} for examples.390   *391   * @param equals the equals implementation to compare the given fields.392   * @param fieldLocations the locations from the root object of the fields the comparator should be used for393   * @throws NullPointerException if the given BiPredicate is null.394   * @since 3.17.0395   */396  public void registerEqualsForFields(BiPredicate<?, ?> equals, String... fieldLocations) {397    registerComparatorForFields(toComparator(equals), fieldLocations);398  }399  /**400   * Sets whether the recursive comparison will check that actual's type is compatible with expected's type (the same applies for each field).401   * Compatible means that the expected's type is the same or a subclass of actual's type.402   * <p>403   * See {@link RecursiveComparisonAssert#withStrictTypeChecking()} for code examples.404   *405   * @param strictTypeChecking whether the recursive comparison will check that actual's type is compatible with expected's type.406   */407  public void strictTypeChecking(boolean strictTypeChecking) {408    this.strictTypeChecking = strictTypeChecking;409  }410  public boolean isInStrictTypeCheckingMode() {411    return strictTypeChecking;412  }413  public List<Pattern> getIgnoredFieldsRegexes() {414    return ignoredFieldsRegexes;415  }416  public List<Class<?>> getIgnoredOverriddenEqualsForTypes() {417    return ignoredOverriddenEqualsForTypes;418  }419  public List<String> getIgnoredOverriddenEqualsForFields() {420    return ignoredOverriddenEqualsForFields;421  }422  public List<Pattern> getIgnoredOverriddenEqualsForFieldsMatchingRegexes() {423    return ignoredOverriddenEqualsForFieldsMatchingRegexes;424  }425  public Stream<Entry<String, Comparator<?>>> comparatorByFields() {426    return fieldComparators.comparatorByFields();427  }428  @Override429  public String toString() {430    return multiLineDescription(CONFIGURATION_PROVIDER.representation());431  }432  @Override433  public int hashCode() {434    return java.util.Objects.hash(fieldComparators, ignoreAllActualEmptyOptionalFields, ignoreAllActualNullFields,435                                  ignoreAllExpectedNullFields, ignoreAllOverriddenEquals, ignoreCollectionOrder,436                                  ignoredCollectionOrderInFields, ignoredCollectionOrderInFieldsMatchingRegexes, ignoredFields,437                                  ignoredFieldsRegexes, ignoredOverriddenEqualsForFields, ignoredOverriddenEqualsForTypes,438                                  ignoredOverriddenEqualsForFieldsMatchingRegexes, ignoredTypes, strictTypeChecking,439                                  typeComparators);440  }441  @Override442  public boolean equals(Object obj) {443    if (this == obj) return true;444    if (obj == null) return false;445    if (getClass() != obj.getClass()) return false;446    RecursiveComparisonConfiguration other = (RecursiveComparisonConfiguration) obj;447    return java.util.Objects.equals(fieldComparators, other.fieldComparators)448           && ignoreAllActualEmptyOptionalFields == other.ignoreAllActualEmptyOptionalFields449           && ignoreAllActualNullFields == other.ignoreAllActualNullFields450           && ignoreAllExpectedNullFields == other.ignoreAllExpectedNullFields451           && ignoreAllOverriddenEquals == other.ignoreAllOverriddenEquals452           && ignoreCollectionOrder == other.ignoreCollectionOrder453           && java.util.Objects.equals(ignoredCollectionOrderInFields, other.ignoredCollectionOrderInFields)454           && java.util.Objects.equals(ignoredFields, other.ignoredFields)455           && java.util.Objects.equals(ignoredFieldsRegexes, other.ignoredFieldsRegexes)456           && java.util.Objects.equals(ignoredOverriddenEqualsForFields, other.ignoredOverriddenEqualsForFields)457           && java.util.Objects.equals(ignoredOverriddenEqualsForTypes, other.ignoredOverriddenEqualsForTypes)458           && java.util.Objects.equals(ignoredOverriddenEqualsForFieldsMatchingRegexes,459                                       other.ignoredOverriddenEqualsForFieldsMatchingRegexes)460           && java.util.Objects.equals(ignoredTypes, other.ignoredTypes) && strictTypeChecking == other.strictTypeChecking461           && java.util.Objects.equals(typeComparators, other.typeComparators)462           && java.util.Objects.equals(ignoredCollectionOrderInFieldsMatchingRegexes,463                                       other.ignoredCollectionOrderInFieldsMatchingRegexes);464  }465  public String multiLineDescription(Representation representation) {466    StringBuilder description = new StringBuilder();467    describeIgnoreAllActualNullFields(description);468    describeIgnoreAllActualEmptyOptionalFields(description);469    describeIgnoreAllExpectedNullFields(description);470    describeIgnoredFields(description);471    describeIgnoredFieldsRegexes(description);472    describeIgnoredFieldsForTypes(description);473    describeOverriddenEqualsMethodsUsage(description, representation);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) {719    return format("%s %s -> %s%n", INDENT_LEVEL_2, comparatorForField.getKey(), comparatorForField.getValue());720  }721  private void describeTypeCheckingStrictness(StringBuilder description) {722    String str = strictTypeChecking723        ? "- actual and expected objects and their fields were considered different when of incompatible types (i.e. expected type does not extend actual's type) even if all their fields match, for example a Person instance will never match a PersonDto (call strictTypeChecking(false) to change that behavior).%n"724        : "- actual and expected objects and their fields were compared field by field recursively even if they were not of the same type, this allows for example to compare a Person to a PersonDto (call strictTypeChecking(true) to change that behavior).%n";725    description.append(format(str));726  }727  /**728   * Creates builder to build {@link RecursiveComparisonConfiguration}.729   * @return created builder730   */731  public static Builder builder() {732    return new Builder();733  }734  /**735   * Builder to build {@link RecursiveComparisonConfiguration}.736   */737  public static final class Builder {738    private boolean strictTypeChecking;739    private boolean ignoreAllActualNullFields;740    private boolean ignoreAllActualEmptyOptionalFields;741    private boolean ignoreAllExpectedNullFields;742    private String[] ignoredFields = {};743    private String[] ignoredFieldsMatchingRegexes = {};744    private Class<?>[] ignoredTypes = {};745    private Class<?>[] ignoredOverriddenEqualsForTypes = {};746    private String[] ignoredOverriddenEqualsForFields = {};747    private String[] ignoredOverriddenEqualsForFieldsMatchingRegexes = {};748    private boolean ignoreAllOverriddenEquals;749    private boolean ignoreCollectionOrder;750    private String[] ignoredCollectionOrderInFields = {};751    private String[] ignoredCollectionOrderInFieldsMatchingRegexes = {};752    private TypeComparators typeComparators = new TypeComparators();753    private FieldComparators fieldComparators = new FieldComparators();754    private Builder() {}755    /**756     * Sets whether the recursive comparison will check that actual's type is compatible with expected's type (the same applies for each field).757     * Compatible means that the expected's type is the same or a subclass of actual's type.758     * <p>759     * See {@link RecursiveComparisonAssert#withStrictTypeChecking()} for code examples.760     *761     * @param strictTypeChecking whether the recursive comparison will check that actual's type is compatible with expected's type.762     * @return this builder.763     */764    public Builder withStrictTypeChecking(boolean strictTypeChecking) {765      this.strictTypeChecking = strictTypeChecking;766      return this;767    }768    /**769     * Sets whether actual null fields are ignored in the recursive comparison.770     * <p>771     * See {@link RecursiveComparisonAssert#ignoringActualNullFields()} for code examples.772     *773     * @param ignoreAllActualNullFields whether to ignore actual null fields in the recursive comparison774     * @return this builder.775     */776    public Builder withIgnoreAllActualNullFields(boolean ignoreAllActualNullFields) {777      this.ignoreAllActualNullFields = ignoreAllActualNullFields;778      return this;779    }780    /**781     * Sets whether actual empty optional fields are ignored in the recursive comparison.782     * <p>783     * See {@link RecursiveComparisonAssert#ignoringActualEmptyOptionalFields()} for code examples.784     *785     * @param ignoreAllActualEmptyOptionalFields whether to ignore actual empty optional fields in the recursive comparison786     * @return this builder.787     */788    public Builder withIgnoreAllActualEmptyOptionalFields(boolean ignoreAllActualEmptyOptionalFields) {789      this.ignoreAllActualEmptyOptionalFields = ignoreAllActualEmptyOptionalFields;790      return this;791    }792    /**793     * Sets whether expected null fields are ignored in the recursive comparison.794     * <p>795     * See {@link RecursiveComparisonAssert#ignoringExpectedNullFields()} for code examples.796     *797     * @param ignoreAllExpectedNullFields whether to ignore expected null fields in the recursive comparison798     * @return this builder.799     */800    public Builder withIgnoreAllExpectedNullFields(boolean ignoreAllExpectedNullFields) {801      this.ignoreAllExpectedNullFields = ignoreAllExpectedNullFields;802      return this;803    }804    /**805     * Adds the given fields to the list of the object under test fields to ignore in the recursive comparison. Nested fields can be specified like this: home.address.street.806     * <p>807     * See {@link RecursiveComparisonAssert#ignoringFields(String...) RecursiveComparisonAssert#ignoringFields(String...)} for examples.808     *809     * @param fieldsToIgnore the fields of the object under test to ignore in the comparison.810     * @return this builder.811     */812    public Builder withIgnoredFields(String... fieldsToIgnore) {813      this.ignoredFields = fieldsToIgnore;814      return this;815    }816    /**817     * Allows to ignore in the recursive comparison the object under test fields matching the given regexes. The given regexes are added to the already registered ones.818     * <p>819     * See {@link RecursiveComparisonAssert#ignoringFieldsMatchingRegexes(String...) RecursiveComparisonAssert#ignoringFieldsMatchingRegexes(String...)} for examples.820     *821     * @param regexes regexes used to ignore fields in the comparison.822     * @return this builder.823     */824    public Builder withIgnoredFieldsMatchingRegexes(String... regexes) {825      this.ignoredFieldsMatchingRegexes = regexes;826      return this;827    }828    /**829     * Adds the given types to the list of the object under test fields types to ignore in the recursive comparison.830     * The fields are ignored if their types exactly match one of the ignored types, if a field is a subtype of an ignored type it won't be ignored.831     * <p>832     * Note that if some object under test fields are null, they are not ignored by this method as their type can't be evaluated.833     * <p>834     * See {@link RecursiveComparisonAssert#ignoringFields(String...) RecursiveComparisonAssert#ignoringFieldsOfTypes(Class...)} for examples.835     *836     * @param types the types of the object under test to ignore in the comparison.837     * @return this builder.838     */839    public Builder withIgnoredFieldsOfTypes(Class<?>... types) {840      this.ignoredTypes = types;841      return this;842    }843    /**844     * Adds the given types to the list of types to force a recursive comparison on.845     * <p>846     * See {@link RecursiveComparisonAssert#ignoringOverriddenEqualsForTypes(Class...) RecursiveComparisonAssert#ignoringOverriddenEqualsForTypes(Class...)} for examples.847     *848     * @param types the types to the list of types to force a recursive comparison on.849     * @return this builder.850     */851    public Builder withIgnoredOverriddenEqualsForTypes(Class<?>... types) {852      this.ignoredOverriddenEqualsForTypes = types;853      return this;854    }855    /**856     * Adds the given fields to the list of fields to force a recursive comparison on.857     * <p>858     * See {@link RecursiveComparisonAssert#ignoringOverriddenEqualsForFields(String...) RecursiveComparisonAssert#ignoringOverriddenEqualsForFields(String...)} for examples.859     *860     * @param fields the fields to force a recursive comparison on.861     * @return this builder.862     */863    public Builder withIgnoredOverriddenEqualsForFields(String... fields) {864      this.ignoredOverriddenEqualsForFields = fields;865      return this;866    }867    /**868     * Adds the given regexes to the list of regexes used find the fields to force a recursive comparison on.869     * <p>870     * See {@link RecursiveComparisonAssert#ignoringOverriddenEqualsForFieldsMatchingRegexes(String...) RecursiveComparisonAssert#ignoringOverriddenEqualsForFieldsMatchingRegexes(String...)} for examples.871     *872     * @param regexes regexes used to specify the fields we want to force a recursive comparison on.873     * @return this builder.874     */875    public Builder withIgnoredOverriddenEqualsForFieldsMatchingRegexes(String... regexes) {876      this.ignoredOverriddenEqualsForFieldsMatchingRegexes = regexes;877      return this;878    }879    /**880     * Force a recursive comparison on all fields (except java types) if true.881     * <p>882     * See {@link RecursiveComparisonAssert#ignoringAllOverriddenEquals()} for examples.883     *884     * @param ignoreAllOverriddenEquals whether to force a recursive comparison on all fields (except java types) or not.885     * @return this builder.886     */887    public Builder withIgnoreAllOverriddenEquals(boolean ignoreAllOverriddenEquals) {888      this.ignoreAllOverriddenEquals = ignoreAllOverriddenEquals;889      return this;890    }891    /**892     * Sets whether to ignore collection order in the comparison.893     * <p>894     * See {@link RecursiveComparisonAssert#ignoringCollectionOrder()} for code examples.895     *896     * @param ignoreCollectionOrder whether to ignore collection order in the comparison.897     * @return this builder.898     */899    public Builder withIgnoreCollectionOrder(boolean ignoreCollectionOrder) {900      this.ignoreCollectionOrder = ignoreCollectionOrder;901      return this;902    }903    /**904     * Adds the given fields to the list of the object under test fields to ignore collection order in the recursive comparison.905     * <p>906     * See {@link RecursiveComparisonAssert#ignoringCollectionOrderInFields(String...) RecursiveComparisonAssert#ignoringCollectionOrderInFields(String...)} for examples.907     *908     * @param fieldsToIgnoreCollectionOrder the fields of the object under test to ignore collection order in the comparison.909     * @return this builder.910     */911    public Builder withIgnoredCollectionOrderInFields(String... fieldsToIgnoreCollectionOrder) {912      this.ignoredCollectionOrderInFields = fieldsToIgnoreCollectionOrder;913      return this;914    }915    /**916     * Adds the given regexes to the list of regexes used to find the object under test fields to ignore collection order in the recursive comparison.917     * <p>918     * See {@link RecursiveComparisonAssert#ignoringCollectionOrderInFieldsMatchingRegexes(String...) RecursiveComparisonAssert#ignoringCollectionOrderInFieldsMatchingRegexes(String...)} for examples.919     *920     * @param regexes regexes used to find the object under test fields to ignore collection order in in the comparison.921     * @return this builder.922     */923    public Builder withIgnoredCollectionOrderInFieldsMatchingRegexes(String... regexes) {924      this.ignoredCollectionOrderInFieldsMatchingRegexes = regexes;925      return this;926    }927    /**928     * Registers the given {@link Comparator} to compare the fields with the given type.929     * <p>930     * Comparators registered with this method have less precedence than comparators registered with {@link #withComparatorForFields(Comparator, String...)}931     * or BiPredicate registered with  {@link #withEqualsForFields(BiPredicate, String...)}.932     * <p>933     * Note that registering a {@link Comparator} for a given type will override the previously registered BiPredicate/Comparator (if any).934     * <p>935     * See {@link RecursiveComparisonAssert#withComparatorForType(Comparator, Class)} for examples.936     *937     * @param <T> the class type to register a comparator for938     * @param comparator the {@link java.util.Comparator Comparator} to use to compare the given field939     * @param type the type to be compared with the given comparator.940     * @return this builder.941     * @throws NullPointerException if the given Comparator is null.942     */943    public <T> Builder withComparatorForType(Comparator<? super T> comparator, Class<T> type) {944      requireNonNull(comparator, "Expecting a non null Comparator");945      this.typeComparators.put(type, comparator);946      return this;947    }948    /**949     * Registers the given {@link BiPredicate} to compare the fields with the given type.950     * <p>951     * BiPredicates registered with this method have less precedence than the ones registered with {@link #withEqualsForFields(BiPredicate, String...)}952     * or the comparators registered with {@link #withComparatorForFields(Comparator, String...)}.953     * <p>954     * Note that registering a {@link BiPredicate} for a given type will override the previously registered BiPredicate/Comparator (if any).955     * <p>956     * See {@link RecursiveComparisonAssert#withEqualsForType(BiPredicate, Class)} for examples.957     *958     * @param <T> the class type to register a BiPredicate for959     * @param equals the {@link BiPredicate} to use to compare the given field960     * @param type the type to be compared with the given comparator.961     * @return this builder.962     * @since 3.17.0963     * @throws NullPointerException if the given BiPredicate is null.964     */965    @SuppressWarnings("unchecked")966    public <T> Builder withEqualsForType(BiPredicate<? super T, ? super T> equals, Class<T> type) {967      return withComparatorForType(toComparator(equals), type);968    }969    /**970     * Registers the given {@link Comparator} to compare the fields at the given locations.971     * <p>972     * The fields must be specified from the root object, for example if {@code Foo} has a {@code Bar} field and both have an {@code id} field,973     * one can register a comparator for Foo and Bar's {@code id} by calling:974     * <pre><code class='java'> registerComparatorForFields(idComparator, "foo.id", "foo.bar.id")</code></pre>975     * <p>976     * Comparators registered with this method have precedence over comparators registered with {@link #withComparatorForType(Comparator, Class)}977     * or BiPredicate registered with {@link #withEqualsForType(BiPredicate, Class)}.978     * <p>979     * Note that registering a {@link Comparator} for a given field will override the previously registered BiPredicate/Comparator (if any).980     * <p>981     * See {@link RecursiveComparisonAssert#withComparatorForFields(Comparator, String...) RecursiveComparisonAssert#withComparatorForFields(Comparator comparator, String...fields)} for examples.982     *983     * @param comparator the {@link java.util.Comparator Comparator} to use to compare the given field984     * @param fields the fields the comparator should be used for985     * @return this builder.986     * @throws NullPointerException if the given Comparator is null.987     */988    public Builder withComparatorForFields(Comparator<?> comparator, String... fields) {989      requireNonNull(comparator, "Expecting a non null Comparator");990      Stream.of(fields).forEach(fieldLocation -> fieldComparators.registerComparator(fieldLocation, comparator));991      return this;992    }993    /**994     * Registers the given {@link BiPredicate} to compare the fields at the given locations.995     * <p>996     * The fields must be specified from the root object, for example if {@code Foo} has a {@code Bar} field and both have an {@code id} field,997     * one can register a BiPredicate for Foo and Bar's {@code id} by calling:998     * <pre><code class='java'> withEqualsForFields(idBiPredicate, "foo.id", "foo.bar.id")</code></pre>999     * <p>1000     * BiPredicates registered with this method have precedence over the ones registered with {@link #withEqualsForType(BiPredicate, Class)}1001     * or the comparators registered with {@link #withComparatorForType(Comparator, Class)}.1002     * <p>1003     * Note that registering a {@link BiPredicate} for a given field will override the previously registered BiPredicate/Comparator (if any).1004     * <p>1005     * See {@link RecursiveComparisonAssert#withEqualsForFields(BiPredicate, String...) RecursiveComparisonAssert#withEqualsForFields(BiPredicate equals, String...fields)} for examples.1006     *1007     * @param equals the {@link BiPredicate} to use to compare the given fields1008     * @param fields the fields the BiPredicate should be used for1009     * @return this builder.1010     * @since 3.17.01011     * @throws NullPointerException if the given BiPredicate is null.1012     */1013    public Builder withEqualsForFields(BiPredicate<?, ?> equals, String... fields) {1014      return withComparatorForFields(toComparator(equals), fields);1015    }1016    public RecursiveComparisonConfiguration build() {1017      return new RecursiveComparisonConfiguration(this);1018    }1019  }...

Source:RecursiveComparisonAssert_isEqualTo_BaseTest.java

...18import org.assertj.core.api.recursive.comparison.ComparisonDifference;19import org.assertj.core.api.recursive.comparison.RecursiveComparisonConfiguration;20import org.assertj.core.internal.ObjectsBaseTest;21import org.junit.jupiter.api.BeforeEach;22public class RecursiveComparisonAssert_isEqualTo_BaseTest extends ObjectsBaseTest {23  public static WritableAssertionInfo info;24  public RecursiveComparisonConfiguration recursiveComparisonConfiguration;25  @BeforeEach26  public void setup() {27    recursiveComparisonConfiguration = new RecursiveComparisonConfiguration();28  }29  public void verifyShouldBeEqualByComparingFieldByFieldRecursivelyCall(Object actual, Object expected,30                                                                        ComparisonDifference... differences) {31    verify(failures).failure(info, shouldBeEqualByComparingFieldByFieldRecursively(actual,32                                                                                   expected,33                                                                                   list(differences),34                                                                                   recursiveComparisonConfiguration,35                                                                                   info.representation()));36  }37  public AssertionError compareRecursivelyFailsAsExpected(Object actual, Object expected) {38    RecursiveComparisonAssert<?> recursiveComparisonAssert = new RecursiveComparisonAssert<>(actual,39                                                                                             recursiveComparisonConfiguration);40    info = recursiveComparisonAssert.info;41    recursiveComparisonAssert.objects = objects;42    return expectAssertionError(() -> recursiveComparisonAssert.isEqualTo(expected));43  }44  public static ComparisonDifference diff(String path, Object actual, Object other) {45    return new ComparisonDifference(list(path), actual, other);46  }47  public static ComparisonDifference diff(String path, Object actual, Object other, String additionalInformation) {48    return new ComparisonDifference(list(path), actual, other, additionalInformation);49  }50}...

Source:TestMatcher.java

1package com.zhinkoilya1993.backend;2import org.assertj.core.api.RecursiveComparisonAssert;3import org.springframework.test.web.servlet.ResultMatcher;4import java.util.List;5import static com.zhinkoilya1993.backend.util.TestUtil.readListFromJsonMvcResult;6import static org.assertj.core.api.Assertions.assertThat;7public class TestMatcher<T> {8    private final String[] fieldsToIgnore;9    private final boolean usingEquals;10    private final Class<T> clazz;11    private TestMatcher(boolean usingEquals, Class<T> clazz, String... fieldsToIgnore) {12        this.fieldsToIgnore = fieldsToIgnore;13        this.usingEquals = usingEquals;14        this.clazz = clazz;15    }16    public static <T> TestMatcher<T> fieldsComparorOf(Class<T> clazz) {17        return new TestMatcher<>(true, clazz);18    }19    public static <T> TestMatcher<T> fieldsComparorOf(Class<T> clazz, String... fieldsToIgnore) {20        return new TestMatcher<>(false, clazz, fieldsToIgnore);21    }22    public void assertMatch(T actual, T expected) {23        RecursiveComparisonAssert<?> recursiveComparison = assertThat(actual)24                .usingRecursiveComparison();25        if (!usingEquals) {26            recursiveComparison = recursiveComparison.ignoringFields(fieldsToIgnore);27        }28        recursiveComparison.isEqualTo(expected);29    }30    @SafeVarargs31    public final void assertMatch(Iterable<T> actual, T... expected) {32        assertMatch(actual, List.of(expected));33    }34    public void assertMatch(Iterable<T> actual, Iterable<T> expected) {35        RecursiveComparisonAssert<?> recursiveComparison = assertThat(actual)36                .usingRecursiveComparison();37        if (!usingEquals) {38            recursiveComparison = recursiveComparison.ignoringFields(fieldsToIgnore);39        }40        recursiveComparison.isEqualTo(expected);41    }42    public ResultMatcher contentJson(T expected) {43        return result -> assertMatch(readListFromJsonMvcResult(result, clazz), expected);44    }45    public ResultMatcher contentJson(T... expected) {46        return contentJson(List.of(expected));47    }48    public ResultMatcher contentJson(Iterable<T> expected) {49        return result -> assertMatch(readListFromJsonMvcResult(result, clazz), expected);...

RecursiveComparisonAssert

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.api.RecursiveComparisonAssert;3import org.assertj.core.api.RecursiveComparisonConfiguration;4import org.assertj.core.api.RecursiveComparisonConfigurationBuilder;5import org.assertj.core.api.RecursiveComparisonConfigurationBuilder.RecursiveComparisonConfigurationBuilderForPrimitives;6import org.assertj.core.api.RecursiveComparisonConfigurationBuilder.RecursiveComparisonConfigurationBuilderForPrimitivesAndArrays;7import org.assertj.core.api.RecursiveComparisonConfigurationBuilder.RecursiveComparisonConfigurationBuilderForPrimitivesArraysAndCollections;8import org.assertj.core.api.RecursiveComparisonConfigurationBuilder.RecursiveComparisonConfigurationBuilderForPrimitivesAndCollections;9import org.assertj.core.api.RecursiveComparisonConfigurationBuilder.RecursiveComparisonConfigurationBuilderForArrays;10import org.assertj.core.api.RecursiveComparisonConfigurationBuilder.RecursiveComparisonConfigurationBuilderForPrimitivesAndArraysAndCollections;11import org.assertj.core.api.RecursiveComparisonConfigurationBuilder.RecursiveComparisonConfigurationBuilderForPrimitivesAndCollectionsAndArrays;12import org.assertj.core.api.RecursiveComparisonConfigurationBuilder.RecursiveComparisonConfigurationBuilderForArraysAndPrimitives;13import org.assertj.core.api.RecursiveComparisonConfigurationBuilder.RecursiveComparisonConfigurationBuilderForArraysAndCollections;14import org.assertj.core.api.RecursiveComparisonConfigurationBuilder.RecursiveComparisonConfigurationBuilderForArraysAndPrimitivesAndCollections;15import org.assertj.core.api.RecursiveComparisonConfigurationBuilder.RecursiveComparisonConfigurationBuilderForCollections;16import org.assertj.core.api.RecursiveComparisonConfigurationBuilder.RecursiveComparisonConfigurationBuilderForPrimitivesAndCollectionsAndArraysAndCollections;17import org.assertj.core.api.RecursiveComparisonConfigurationBuilder.RecursiveComparisonConfigurationBuilderForPrimitivesAndArraysAndCollectionsAndArrays;18import org.assertj.core.api.RecursiveComparisonConfigurationBuilder.RecursiveComparisonConfigurationBuilderForPrimitivesAndArraysAndPrimitivesAndCollections;19import org.assertj.core.api.RecursiveComparisonConfigurationBuilder.RecursiveComparisonConfigurationBuilderForPrimitivesAndArraysAndPrimitivesAndArrays;20import org.assertj.core.api.RecursiveComparisonConfigurationBuilder.RecursiveComparisonConfigurationBuilderForPrimitivesAndArraysAndPrimitivesAndArraysAndCollections;21import org.assertj.core.api.RecursiveComparisonConfigurationBuilder.RecursiveComparisonConfigurationBuilderForPrimitivesAndArraysAndPrimitivesAndCollectionsAndArrays;22import org.assertj.core.api.RecursiveComparisonConfigurationBuilder.RecursiveComparisonConfigurationBuilderForPrimitivesAndArraysAndPrimitivesAndCollectionsAndArraysAndCollections;23import org.assertj.core.api.RecursiveComparisonConfigurationBuilder.RecursiveComparisonConfigurationBuilderForPrimitivesAndArraysAndCollectionsAndPrimitives;24import org.assertj.core.api.RecursiveComparisonConfigurationBuilder.RecursiveComparisonConfigurationBuilderForPr

RecursiveComparisonAssert

Using AI Code Generation

1import org.assertj.core.api.RecursiveComparisonAssert;2import org.assertj.core.api.RecursiveComparisonConfiguration;3import org.assertj.core.api.Assertions;4public class RecursiveComparisonAssertExample {5    public static void main(String[] args) {6        RecursiveComparisonConfiguration configuration = RecursiveComparisonConfiguration.builder()7                .withIgnoredFields("id")8                .build();9        RecursiveComparisonAssert.assertThat(new Person("John", 27))10                .usingRecursiveComparison(configuration)11                .isEqualTo(new Person("John", 27));12    }13    static class Person {14        private String name;15        private int age;16        public Person(String name, int age) {17            this.name = name;18            this.age = age;19        }20        public String getName() {21            return name;22        }23        public int getAge() {24            return age;25        }26    }27}28AssertJ | RecursiveComparisonAssert usingRecursiveComparison() method29AssertJ | RecursiveComparisonAssert ignoringFields() method30AssertJ | RecursiveComparisonAssert ignoringAllOverriddenEqualsForTypes() method31AssertJ | RecursiveComparisonAssert ignoringAllActualNullFields() method32AssertJ | RecursiveComparisonAssert ignoringAllNullFields() method33AssertJ | RecursiveComparisonAssert ignoringFieldsOfTypes() method34AssertJ | RecursiveComparisonAssert ignoringFieldsMatchingRegexes() method35AssertJ | RecursiveComparisonAssert ignoringFieldsMatchingRegexes() method36AssertJ | RecursiveComparisonAssert ignoringCollectionOrder() method

RecursiveComparisonAssert

Using AI Code Generation

1import org.assertj.core.api.RecursiveComparisonAssert;2import org.assertj.core.api.AbstractAssert;3import org.assertj.core.api.Assertions;4import org.assertj.core.api.RecursiveComparisonAssert;5import org.assertj.core.api.RecursiveComparisonConfiguration;6import org.assertj.core.api.RecursiveComparisonConfigurationBuilder;7import org.assertj.core.api.RecursiveComparisonDifference;8import org.assertj.core.api.RecursiveComparisonDiffere

RecursiveComparisonAssert

Using AI Code Generation

1import org.assertj.core.api.RecursiveComparisonAssert;2public class 1 {3    public static void main(String args[]) {4        RecursiveComparisonAssert recursiveComparisonAssert = new RecursiveComparisonAssert();5        recursiveComparisonAssert.isEqualTo();6    }7}8public static void main(String[] args)

RecursiveComparisonAssert

Using AI Code Generation

1import org.assertj.core.api.RecursiveComparisonAssert;2class RecursiveComparisonAssertTest {3  public static void main(String[] args) {4    RecursiveComparisonAssertTest obj = new RecursiveComparisonAssertTest();5    obj.test();6  }7  void test() {8    RecursiveComparisonAssert obj = new RecursiveComparisonAssert("test");9    obj.isEqualTo("test");10  }11}12    RecursiveComparisonAssert obj = new RecursiveComparisonAssert("test");13    obj.isEqualTo("test");14  symbol:   method isEqualTo(String)

RecursiveComparisonAssert

Using AI Code Generation

1import org.assertj.core.api.RecursiveComparisonAssert;2import org.assertj.core.api.Assertions;3import java.util.ArrayList;4public class RecursiveComparisonAssertTest {5   public static void main(String[] args) {6      ArrayList<String> al = new ArrayList<String>();7      al.add("Java");8      al.add("Python");9      al.add("C++");10      al.add("C");11      al.add("Ruby");12      ArrayList<String> al2 = new ArrayList<String>();13      al2.add("Java");14      al2.add("Python");15      al2.add("C++");16      al2.add("C");17      al2.add("Ruby");18      RecursiveComparisonAssert<Object> rca = Assertions.assertThat(al);19      rca.isEqualTo(al2);20      System.out.println("Both ArrayList objects are equal.");21   }22}23Recommended Posts: Java | assertThrows() method24Java | assertTimeout() method25Java | assertTimeoutPreemptively() method26Java | assertArrayEquals() method27Java | assertDoesNotThrow() method28Java | assertNotEquals() method29Java | assertSame() method30Java | assertNotSame() method31Java | assertNotNull() method32Java | assertNull() method33Java | assertTrue() method34Java | assertFalse() method35Java | assertEquals() method36Java | assertNotSame() method37Java | assertSame() method38Java | assertArrayEquals() method39Java | assertTimeoutPreemptively() method40Java | assertTimeout() method41Java | assertThrows() method42Java | assertDoesNotThrow() method43Java | assertNotEquals() method44Java | assertNotNull() method45Java | assertNull() method46Java | assertTrue() method47Java | assertFalse() method48Java | assertEquals() method49Java | assertAll() method50Java | assertIterableEquals() method51Java | assertLinesMatch() method52Java | assertTimeoutPreemptively() method53Java | assertTimeout() method54Java | assertThrows() method

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