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

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

Source:RecursiveComparisonConfiguration.java

...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  }...

describeIgnoreAllExpectedNullFields

Using AI Code Generation

1RecursiveComparisonConfiguration recursiveComparisonConfiguration = new RecursiveComparisonConfiguration();2recursiveComparisonConfiguration.describeIgnoreAllExpectedNullFields();3assertThat(actual).usingRecursiveComparison(recursiveComparisonConfiguration).isEqualTo(expected);4RecursiveComparisonConfiguration recursiveComparisonConfiguration = new RecursiveComparisonConfiguration();5recursiveComparisonConfiguration.ignoreAllExpectedNullFields();6assertThat(actual).usingRecursiveComparison(recursiveComparisonConfiguration).isEqualTo(expected);7RecursiveComparisonConfiguration recursiveComparisonConfiguration = new RecursiveComparisonConfiguration();8recursiveComparisonConfiguration.ignoreAllActualNullFields();9assertThat(actual).usingRecursiveComparison(recursiveComparisonConfiguration).isEqualTo(expected);10RecursiveComparisonConfiguration recursiveComparisonConfiguration = new RecursiveComparisonConfiguration();11recursiveComparisonConfiguration.ignoreAllActualNullFields(true);12assertThat(actual).usingRecursiveComparison(recursiveComparisonConfiguration).isEqualTo(expected);13RecursiveComparisonConfiguration recursiveComparisonConfiguration = new RecursiveComparisonConfiguration();14recursiveComparisonConfiguration.ignoreAllActualNullFields(false);15assertThat(actual).usingRecursiveComparison(recursiveComparisonConfiguration).isEqualTo(expected);16RecursiveComparisonConfiguration recursiveComparisonConfiguration = new RecursiveComparisonConfiguration();17recursiveComparisonConfiguration.ignoreAllExpectedNullFields(true);18assertThat(actual).usingRecursiveComparison(recursiveComparisonConfiguration).isEqualTo(expected);19RecursiveComparisonConfiguration recursiveComparisonConfiguration = new RecursiveComparisonConfiguration();20recursiveComparisonConfiguration.ignoreAllExpectedNullFields(false);21assertThat(actual).usingRecursiveComparison(recursiveComparisonConfiguration).isEqualTo(expected);22RecursiveComparisonConfiguration recursiveComparisonConfiguration = new RecursiveComparisonConfiguration();23recursiveComparisonConfiguration.ignoreAllActualNullFields(true);24assertThat(actual).usingRecursiveComparison(recursiveComparisonConfiguration).isEqualTo(expected);25RecursiveComparisonConfiguration recursiveComparisonConfiguration = new RecursiveComparisonConfiguration();26recursiveComparisonConfiguration.ignoreAllActualNullFields(false);27assertThat(actual).usingRecursiveComparison(recursiveComparisonConfiguration).isEqualTo(expected);28RecursiveComparisonConfiguration recursiveComparisonConfiguration = new RecursiveComparisonConfiguration();29recursiveComparisonConfiguration.ignoreAllExpectedNullFields(true);30assertThat(actual

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