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How to use initDualValuesToCompare method of org.assertj.core.api.recursive.comparison.RecursiveComparisonDifferenceCalculator class

Best Assertj code snippet using org.assertj.core.api.recursive.comparison.RecursiveComparisonDifferenceCalculator.initDualValuesToCompare

Source:RecursiveComparisonDifferenceCalculator.java

...93    }94    private void registerForComparison(DualValue dualValue) {95      if (!visitedDualValues.contains(dualValue)) dualValuesToCompare.addFirst(dualValue);96    }97    private void initDualValuesToCompare(Object actual, Object expected, List<String> parentPath, boolean isRootObject) {98      DualValue dualValue = new DualValue(parentPath, actual, expected);99      boolean mustCompareFieldsRecursively = mustCompareFieldsRecursively(isRootObject, dualValue);100      if (dualValue.hasNoNullValues() && dualValue.hasNoContainerValues() && mustCompareFieldsRecursively) {101        // disregard the equals method and start comparing fields102        Set<String> nonIgnoredActualFieldsNames = recursiveComparisonConfiguration.getNonIgnoredActualFieldNames(dualValue);103        if (!nonIgnoredActualFieldsNames.isEmpty()) {104          // fields to ignore are evaluated when adding their corresponding dualValues to dualValuesToCompare which filters105          // ignored fields according to recursiveComparisonConfiguration106          Set<String> expectedFieldsNames = getFieldsNames(expected.getClass());107          if (expectedFieldsNames.containsAll(nonIgnoredActualFieldsNames)) {108            // we compare actual fields vs expected, ignoring expected additional fields109            for (String nonIgnoredActualFieldName : nonIgnoredActualFieldsNames) {110              DualValue fieldDualValue = new DualValue(parentPath, nonIgnoredActualFieldName,111                                                       COMPARISON.getSimpleValue(nonIgnoredActualFieldName, actual),112                                                       COMPARISON.getSimpleValue(nonIgnoredActualFieldName, expected));113              dualValuesToCompare.addFirst(fieldDualValue);114            }115          } else {116            dualValuesToCompare.addFirst(dualValue);117          }118        } else {119          dualValuesToCompare.addFirst(dualValue);120        }121      } else {122        dualValuesToCompare.addFirst(dualValue);123      }124      // We need to remove already visited fields pair to avoid infinite recursion in case125      // parent -> set{child} with child having a reference back to parent126      // it occurs to unordered collection where we compare all possible combination of the collection elements recursively127      // --128      // remove visited values one by one, DualValue.equals correctly compare respective actual and expected fields by reference129      visitedDualValues.forEach(visitedDualValue -> dualValuesToCompare.stream()130                                                                       .filter(dualValueToCompare -> dualValueToCompare.equals(visitedDualValue))131                                                                       .findFirst()132                                                                       .ifPresent(dualValuesToCompare::remove));133    }134    private boolean mustCompareFieldsRecursively(boolean isRootObject, DualValue dualValue) {135      boolean noCustomComparisonForDualValue = !recursiveComparisonConfiguration.hasCustomComparator(dualValue)136                                               && !shouldHonorOverriddenEquals(dualValue, recursiveComparisonConfiguration);137      return isRootObject || noCustomComparisonForDualValue;138    }139  }140  /**141   * Compare two objects for differences by doing a 'deep' comparison. This will traverse the142   * Object graph and perform either a field-by-field comparison on each143   * object (if not .equals() method has been overridden from Object), or it144   * will call the customized .equals() method if it exists.145   * <p>146   *147   * This method handles cycles correctly, for example A-&gt;B-&gt;C-&gt;A.148   * Suppose a and a' are two separate instances of the A with the same values149   * for all fields on A, B, and C. Then a.deepEquals(a') will return an empty list. It150   * uses cycle detection storing visited objects in a Set to prevent endless151   * loops.152   *153   * @param actual Object one to compare154   * @param expected Object two to compare155   * @param recursiveComparisonConfiguration the recursive comparison configuration156   * @return the list of differences found or an empty list if objects are equivalent.157   *         Equivalent means that all field values of both subgraphs are the same,158   *         either at the field level or via the respectively encountered overridden159   *         .equals() methods during traversal.160   */161  public List<ComparisonDifference> determineDifferences(Object actual, Object expected,162                                                         RecursiveComparisonConfiguration recursiveComparisonConfiguration) {163    if (recursiveComparisonConfiguration.isInStrictTypeCheckingMode() && expectedTypeIsNotSubtypeOfActualType(actual, expected)) {164      return list(expectedAndActualTypeDifference(actual, expected));165    }166    List<String> rootPath = list();167    List<DualValue> visited = list();168    return determineDifferences(actual, expected, rootPath, true, visited, recursiveComparisonConfiguration);169  }170  // TODO keep track of ignored fields in an RecursiveComparisonExecution class ?171  private static List<ComparisonDifference> determineDifferences(Object actual, Object expected, List<String> parentPath,172                                                                 boolean isRootObject, List<DualValue> visited,173                                                                 RecursiveComparisonConfiguration recursiveComparisonConfiguration) {174    ComparisonState comparisonState = new ComparisonState(visited, recursiveComparisonConfiguration);175    comparisonState.initDualValuesToCompare(actual, expected, parentPath, isRootObject);176    while (comparisonState.hasDualValuesToCompare()) {177      final DualValue dualValue = comparisonState.pickDualValueToCompare();178      final List<String> currentPath = dualValue.getPath();179      final Object actualFieldValue = dualValue.actual;180      final Object expectedFieldValue = dualValue.expected;181      if (actualFieldValue == expectedFieldValue) continue;182      // Custom comparators take precedence over all other types of comparison183      if (recursiveComparisonConfiguration.hasCustomComparator(dualValue)) {184        if (!propertyOrFieldValuesAreEqual(dualValue, recursiveComparisonConfiguration)) comparisonState.addDifference(dualValue);185        // since we used a custom comparator we don't need to inspect the nested fields any further186        continue;187      }188      if (actualFieldValue == null || expectedFieldValue == null) {189        // one of the value is null while the other is not as we already know that actualFieldValue != expectedFieldValue...

initDualValuesToCompare

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import static org.assertj.core.api.Assertions.within;3import static org.assertj.core.api.recursive.comparison.RecursiveComparisonConfiguration.builder;4import static org.assertj.core.api.recursive.comparison.RecursiveComparisonDifferenceCalculator.initDualValuesToCompare;5import static org.assertj.core.data.Percentage.withPercentage;6import java.math.BigDecimal;7import java.util.ArrayList;8import java.util.List;9import org.assertj.core.api.recursive.comparison.DualValue;10import org.assertj.core.api.recursive.comparison.RecursiveComparisonDifference;11import org.assertj.core.api.recursive.comparison.RecursiveComparisonDifferenceCalculator;12import org.assertj.core.data.Percentage;13import org.assertj.core.internal.DeepDifference.Difference;14import org.assertj.core.internal.DeepDifference.Difference.Kind;15import org.junit.Test;16public class TestRecursiveComparisonDifferenceCalculator {17    public void testInitDualValuesToCompare() {18        RecursiveComparisonDifferenceCalculator recursiveComparisonDifferenceCalculator = new RecursiveComparisonDifferenceCalculator();19        List<Difference> differences = new ArrayList<>();20        differences.add(new Difference("field1", Kind.ENTRY_VALUE, 1, 2));21        differences.add(new Difference("field2", Kind.ENTRY_VALUE, 1.1, 1.2));22        differences.add(new Difference("field3", Kind.ENTRY_VALUE, 1.1f, 1.2f));23        differences.add(new Difference("field4", Kind.ENTRY_VALUE, new BigDecimal("1.1"), new BigDecimal("1.2")));24        differences.add(new Difference("field5", Kind.ENTRY_VALUE, "1.1", "1.2"));25        differences.add(new Difference("field6", Kind.ENTRY_VALUE, true, false));26        differences.add(new Difference("field7", Kind.ENTRY_VALUE, (byte) 1, (byte) 2));27        differences.add(new Difference("field8", Kind.ENTRY_VALUE, (short) 1, (short) 2));28        differences.add(new Difference("field9", Kind.ENTRY_VALUE, (long) 1, (long) 2));29        differences.add(new Difference("field10", Kind.ENTRY_VALUE, 'a', 'b'));30        differences.add(new Difference("field11", Kind.ENTRY_VALUE, new int[] { 1, 2, 3 }, new int[] { 1, 2, 3 }));31        differences.add(new Difference("field12", Kind.ENTRY_VALUE

initDualValuesToCompare

Using AI Code Generation

1import org.assertj.core.api.recursive.comparison.RecursiveComparisonDifferenceCalculator;2public class AssertJRecursiveComparisonDifferenceCalculator {3    public static void main(String[] args) {4        RecursiveComparisonDifferenceCalculator recursiveComparisonDifferenceCalculator = new RecursiveComparisonDifferenceCalculator();5        recursiveComparisonDifferenceCalculator.initDualValuesToCompare("a", "b");6        System.out.println(recursiveComparisonDifferenceCalculator);7    }8}

initDualValuesToCompare

Using AI Code Generation

1public void shouldCompareObjectWithDifferentValues() {2    Address address = new Address("street", 10);3    Person person = new Person("John", 30, address);4    RecursiveComparisonDifference recursiveComparisonDifference = initDualValuesToCompare(person, person);5    assertThat(recursiveComparisonDifference).isNull();6}7public void shouldCompareObjectWithDifferentValues() {8    Address address = new Address("street", 10);9    Person person = new Person("John", 30, address);10    RecursiveComparisonDifference recursiveComparisonDifference = initDualValuesToCompare(person, person);11    assertThat(recursiveComparisonDifference).isNull();12}13public void shouldCompareObjectWithDifferentValues() {14    Address address = new Address("street", 10);15    Person person = new Person("John", 30, address);16    RecursiveComparisonDifference recursiveComparisonDifference = initDualValuesToCompare(person, person);17    assertThat(recursiveComparisonDifference).isNull();18}19public void shouldCompareObjectWithDifferentValues() {20    Address address = new Address("street", 10);21    Person person = new Person("John", 30, address);22    RecursiveComparisonDifference recursiveComparisonDifference = initDualValuesToCompare(person, person);23    assertThat(recursiveComparisonDifference).isNull();24}25public void shouldCompareObjectWithDifferentValues() {26    Address address = new Address("street", 10);27    Person person = new Person("John", 30, address);28    RecursiveComparisonDifference recursiveComparisonDifference = initDualValuesToCompare(person, person);29    assertThat(recursiveComparisonDifference).isNull();30}

initDualValuesToCompare

Using AI Code Generation

1import java.util.*;2import org.assertj.core.api.recursive.comparison.*;3public class Test {4    public static void main(String[] args) {5        List<String> list1 = Arrays.asList("a", "b", "c");6        List<String> list2 = Arrays.asList("a", "b", "c");7        RecursiveComparisonDifferenceCalculator calc = new RecursiveComparisonDifferenceCalculator();8        calc.initDualValuesToCompare(list1, list2);9        List<RecursiveComparisonDifference> diffs = calc.compare(list1, list2);10        System.out.println(diffs);11    }12}

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