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

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

Source:RecursiveComparisonConfiguration.java

...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    }...

Source:RecursiveComparisonAssert_fluent_API_Test.java

...236                                                                       .withEqualsForFieldsMatchingRegexes(DOUBLE_EQUALS, ".*d", ".*e")237                                                                       .getRecursiveComparisonConfiguration();238    // @format:on239    // THEN240    FieldComparators fieldComparators = configuration.getFieldComparators();241    then(fieldComparators.hasRegexFieldComparators()).isTrue();242    then(fieldComparators.comparatorByRegexFields()).allMatch(entry -> entry.getValue() != null);243    then(fieldComparators.comparatorByRegexFields()).anyMatch(entry -> entry.getKey().toString().equals("[.*a, .*b]"));244    then(fieldComparators.comparatorByRegexFields()).anyMatch(entry -> entry.getKey().toString().equals("[.*d, .*e]"));245  }246  @Test247  void should_allow_to_register_type_comparators() {248    // GIVEN249    Class<String> type1 = String.class;250    Class<Timestamp> type2 = Timestamp.class;251    Class<Tuple> type3 = Tuple.class;252    // WHEN253    RecursiveComparisonConfiguration configuration = assertThat(ACTUAL).usingRecursiveComparison()254                                                                       .withComparatorForType(ALWAYS_EQUALS_STRING, type1)255                                                                       .withComparatorForType(ALWAYS_EQUALS_TIMESTAMP, type2)...

FieldComparators

Using AI Code Generation

1import static org.assertj.core.api.Assertions.*;2import static org.assertj.core.api.recursive.comparison.FieldComparators.byName;3import static org.assertj.core.api.recursive.comparison.FieldComparators.byNameIgnoringCase;4import static org.assertj.core.api.recursive.comparison.FieldComparators.byNameUsingFieldByFieldElementComparator;5import static org.assertj.core.api.recursive.comparison.FieldComparators.byNameUsingFieldByFieldElementComparatorIgnoringFields;6import static org.assertj.core.api.recursive.comparison.FieldComparators.byNameUsingFieldByFieldRecursiveComparison;7import static org.assertj.core.api.recursive.comparison.FieldComparators.byNameUsingFieldByFieldRecursiveComparisonIgnoringFields;8import static org.assertj.core.api.recursive.comparison.FieldComparators.byNameUsingRecursiveComparison;9import static org.assertj.core.api.recursive.comparison.FieldComparators.byNameUsingRecursiveComparisonIgnoringFields;10import static org.assertj.core.api.recursive.comparison.FieldComparators.byNameWithComparator;11import static org.assertj.core.api.recursive.comparison.FieldComparators.byNameWithComparatorForFields;12import static org.assertj.core.api.recursive.comparison.FieldComparators.byNameWithComparatorForFieldsIgnoringFields;13import static org.assertj.core.api.recursive.comparison.FieldComparators.byNameWithComparatorIgnoringFields;14import static org.assertj.core.api.recursive.comparison.FieldComparators.byNameWithComparatorIgnoringFieldsAndUsingElementComparatorForFields;15import static org.assertj.core.api.recursive.comparison.FieldComparators.byNameWithComparatorIgnoringFieldsAndUsingRecursiveComparisonForFields;16import static org.assertj.core.api.recursive.comparison.FieldComparators.byNameWithComparatorIgnoringFieldsAndUsingRecursiveComparisonForFieldsIgnoringFields;17import static org.assertj.core.api.recursive.comparison.FieldComparators.byNameWithComparatorUsingElementComparatorForFields;18import static org.assertj.core.api.recursive.comparison.FieldComparators.byNameWithComparatorUsingRecursiveComparisonForFields;19import static org.assertj.core.api.recursive.comparison.FieldComparators.byNameWithComparatorUsingRecursiveComparisonForFieldsIgnoringFields;20import static org.assertj.core.api.recursive.comparison.FieldComparators.byNameWithComparatorUsingRecursiveComparisonIgnoringFields;21import static org.assertj.core.api.recursive.comparison.FieldComparators.byNameWithComparatorUsingRecursiveComparisonIgnoringFieldsAndUsingElementComparatorForFields;22import static org.assertj.core.api.recursive.comparison.FieldComparators.byNameWithComparatorUsingRecursiveComparisonIgnoringFieldsAndUsingRecursiveComparisonForFields;23import static org.assertj.core.api.recursive.comparison.FieldCompar

FieldComparators

Using AI Code Generation

1import org.assertj.core.api.recursive.comparison.FieldComparators;2import org.assertj.core.api.recursive.comparison.RecursiveComparisonConfiguration;3public class Example {4    public static void main(String[] args) {5        RecursiveComparisonConfiguration config = RecursiveComparisonConfiguration.builder()6                .withFieldComparators(FieldComparators.of(new FieldComparator() {7                    public boolean areEqual(Field field, Object actual, Object other) {8                        if (actual instanceof String && other instanceof String) {9                            return ((String) actual).toLowerCase().equals(((String) other).toLowerCase());10                        }11                        return false;12                    }13                })).build();14        assertThat(new Person("John", "Doe")).usingRecursiveComparison(config)15                .isEqualTo(new Person("JOHN", "doe"));16    }17    public static class Person {18        private final String firstName;19        private final String lastName;20        public Person(String firstName, String lastName) {21            this.firstName = firstName;22            this.lastName = lastName;23        }24        public String getFirstName() {25            return firstName;26        }27        public String getLastName() {28            return lastName;29        }30    }31}32at org.assertj.core.api.recursive.comparison.RecursiveComparisonAssert.isEqualTo(RecursiveComparisonAssert.java:255)33at org.assertj.core.api.recursive.comparison.RecursiveComparisonAssert.isEqualTo(RecursiveComparisonAssert.java:39)34at com.test.Example.main(Example.java:18)

FieldComparators

Using AI Code Generation

1import org.assertj.core.api.recursive.comparison.FieldComparators;2import org.assertj.core.api.recursive.comparison.RecursiveComparisonConfiguration;3import java.util.Comparator;4public class FieldComparator {5    public static void main(String[] args) {6        RecursiveComparisonConfiguration configuration = new RecursiveComparisonConfiguration();7        configuration.registerComparatorForType(new Comparator<>() {8            public int compare(String o1, String o2) {9                return o1.length() - o2.length();10            }11        }, String.class);12        configuration.registerComparatorForFields(new Comparator<>() {13            public int compare(String o1, String o2) {14                return o1.length() - o2.length();15            }16        }, "name", "address");17        configuration.registerComparatorForFields(new Comparator<>() {18            public int compare(String o1, String o2) {19                return o1.length() - o2.length();20            }21        }, FieldComparators.byName());22        configuration.registerComparatorForFields(new Comparator<>() {23            public int compare(String o1, String o2) {24                return o1.length() - o2.length();25            }26        }, FieldComparators.byNameAndType());27    }28}

FieldComparators

Using AI Code Generation

1import org.assertj.core.api.recursive.comparison.FieldComparators;2import org.assertj.core.api.recursive.comparison.RecursiveComparisonConfiguration;3import org.junit.Test;4public class FieldComparatorsTest {5    public void testFieldComparators() {6        FieldComparators comparators = FieldComparators.of("name", (o1, o2) -> true);7        RecursiveComparisonConfiguration configuration = RecursiveComparisonConfiguration.builder()8                .withFieldComparators(comparators)9                .build();10    }11}

FieldComparators

Using AI Code Generation

1package com.tutorialspoint;2import java.util.Arrays;3import java.util.List;4import org.assertj.core.api.recursive.comparison.FieldComparators;5import org.assertj.core.api.recursive.comparison.RecursiveComparisonConfiguration;6public class App {7   public static void main(String[] args) {8      List<Integer> list1 = Arrays.asList(1, 2, 3);9      List<Integer> list2 = Arrays.asList(3, 2, 1);10      FieldComparators comparators = new FieldComparators();11      comparators.registerComparatorForType((o1, o2) -> o1.equals(o2), Integer.class);12      RecursiveComparisonConfiguration configuration = RecursiveComparisonConfiguration.builder()13            .withFieldComparators(comparators)14            .build();15   }16}

FieldComparators

Using AI Code Generation

1public class FieldComparatorsTest {2    public void test() {3        RecursiveComparisonConfiguration configuration = new RecursiveComparisonConfiguration();4        configuration = configuration.withFieldComparators(new FieldComparator<>() {5            public boolean areEqual(Object actual, Object other) {6                return true;7            }8        });9        assertThat(new Employee("1", "John", "Doe", 1000)).usingRecursiveComparison(configuration)10                .isEqualTo(new Employee("2", "Jane", "Doe", 2000));11    }12}13  <Employee(id=1, firstName=John, lastName=Doe, salary=1000)>14  <Employee(id=2, firstName=Jane, lastName=Doe, salary=2000)>15- fieldComparatorsByPropertyOrField: {}16at org.junit.jupiter.api.AssertionUtils.fail(AssertionUtils.java:39)17at org.junit.jupiter.api.AssertEquals.failNotEqual(AssertEquals.java:205)

FieldComparators

Using AI Code Generation

1package org.example;2import static org.assertj.core.api.Assertions.assertThat;3import static org.assertj.core.api.Assertions.within;4import static org.assertj.core.api.recursive.comparison.RecursiveComparisonConfiguration.builder;5import static org.assertj.core.api.recursive.comparison.FieldComparators.byLessThan;6import static org.assertj.core.api.recursive.comparison.FieldComparators.byPredicate;7import java.util.function.Predicate;8import org.assertj.core.api.recursive.comparison.RecursiveComparisonConfiguration;9import org.junit.jupiter.api.Test;10public class Test1 {11    public void test() {12        RecursiveComparisonConfiguration recursiveComparisonConfiguration = builder()13                .withFieldComparators(14                        byLessThan(10.0),15                        byPredicate((Predicate<Double>) value -> value > 20.0 && value < 30.0))16                .build();17        assertThat(new Actual(10.0, 25.0, 40.0))18                .usingRecursiveComparison(recursiveComparisonConfiguration)19                .isEqualTo(new Expected(9.0, 25.0, 35.0));20    }21    private static class Actual {22        private final double value1;23        private final double value2;24        private final double value3;25        Actual(double value1, double value2, double value3) {26            this.value1 = value1;27            this.value2 = value2;28            this.value3 = value3;29        }30        public double getValue1() {31            return value1;32        }33        public double getValue2() {34            return value2;35        }36        public double getValue3() {37            return value3;38        }39    }40    private static class Expected {41        private final double value1;42        private final double value2;43        private final double value3;44        Expected(double value1, double value2, double value3) {45            this.value1 = value1;46            this.value2 = value2;47            this.value3 = value3;48        }49        public double getValue1() {50            return value1;51        }52        public double getValue2() {53            return value2;54        }55        public double getValue3() {56            return value3;57        }58    }59}

FieldComparators

Using AI Code Generation

1import org.assertj.core.api.recursive.comparison.RecursiveComparisonConfiguration;2import org.junit.Test;3import static org.assertj.core.api.Assertions.assertThat;4public class 1 {5    public void test() {6        RecursiveComparisonConfiguration configuration = RecursiveComparisonConfiguration.builder()7                .withIgnoredFields("id").build();8        Employee employee = new Employee(1, "John", "Doe", "

FieldComparators

Using AI Code Generation

1import java.util.ArrayList;2import java.util.List;3import java.util.Optional;4import org.assertj.core.api.Assertions;5import org.assertj.core.api.recursive.comparison.FieldComparators;6import org.assertj.core.api.recursive.comparison.RecursiveComparisonConfiguration;7import org.assertj.core.api.recursive.comparison.RecursiveComparisonDifference;8public class 1 {9    public static void main(String[] args) {10        List<1> list1 = new ArrayList<1>();11        List<1> list2 = new ArrayList<1>();12        list1.add(new 1("1", "2"));13        list2.add(new 1("1", "2"));14        1 obj1 = new 1("1", "2", list1);15        1 obj2 = new 1("1", "2", list2);16        RecursiveComparisonConfiguration recursiveComparisonConfiguration = new RecursiveComparisonConfiguration();17        recursiveComparisonConfiguration = recursiveComparisonConfiguration.withFieldComparators(FieldComparators.defaultFieldComparators());18        Optional<RecursiveComparisonDifference> difference = Assertions.assertThat(obj1).usingRecursiveComparison(recursiveComparisonConfiguration).isEqualTo(obj2);19        System.out.println(difference);20    }21}22class 1 {23    private String string1;24    private String string2;25    private List<1> list;26    public 1(String string1, String string2, List<1> list) {27        this.string1 = string1;28        this.string2 = string2;29        this.list = list;30    }31    public 1(String string1, String string2) {32        this.string1 = string1;33        this.string2 = string2;34    }35    public String getString1() {36        return string1;37    }38    public String getString2() {39        return string2;40    }41    public List<1> getList() {42        return list;43    }

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