Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

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

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

Source:RecursiveComparisonDifferenceCalculator.java

...56  private static final String DIFFERENT_SIZE_ERROR = "actual and expected values are %s of different size, actual size=%s when expected size=%s";57  private static final String MISSING_FIELDS = "%s can't be compared to %s as %s does not declare all %s fields, it lacks these: %s";58  private static final Map<Class<?>, Boolean> customEquals = new ConcurrentHashMap<>();59  private static final Map<Class<?>, Boolean> customHash = new ConcurrentHashMap<>();60  private static class ComparisonState {61    // Not using a Set as we want to precisely track visited values, a set would remove duplicates62    List<DualValue> visitedDualValues;63    List<ComparisonDifference> differences = new ArrayList<>();64    DualValueDeque dualValuesToCompare;65    RecursiveComparisonConfiguration recursiveComparisonConfiguration;66    public ComparisonState(List<DualValue> visited, RecursiveComparisonConfiguration recursiveComparisonConfiguration) {67      this.visitedDualValues = visited;68      this.dualValuesToCompare = new DualValueDeque(recursiveComparisonConfiguration);69      this.recursiveComparisonConfiguration = recursiveComparisonConfiguration;70    }71    void addDifference(DualValue dualValue) {72      differences.add(new ComparisonDifference(dualValue.getPath(), dualValue.actual, dualValue.expected));73    }74    void addDifference(DualValue dualValue, String description, Object... args) {75      differences.add(new ComparisonDifference(dualValue.getPath(), dualValue.actual, dualValue.expected,76                                               format(description, args)));77    }78    public List<ComparisonDifference> getDifferences() {79      Collections.sort(differences);80      return differences;81    }82    public boolean hasDualValuesToCompare() {83      return !dualValuesToCompare.isEmpty();84    }85    public DualValue pickDualValueToCompare() {86      final DualValue dualValue = dualValuesToCompare.removeFirst();87      if (dualValue.hasPotentialCyclingValues()) {88        // visited dual values are here to avoid cycle, java types don't have cycle, there is no need to track them.89        // moreover this would make should_fix_1854_minimal_test to fail (see the test for a detailed explanation)90        visitedDualValues.add(dualValue);91      }92      return dualValue;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 != expectedFieldValue190        comparisonState.addDifference(dualValue);191        continue;192      }193      if (dualValue.isExpectedAnEnum()) {194        compareAsEnums(dualValue, comparisonState, recursiveComparisonConfiguration);195        continue;196      }197      // TODO move hasFieldTypesDifference check into each compareXXX198      if (dualValue.isExpectedFieldAnArray()) {199        compareArrays(dualValue, comparisonState);200        continue;201      }202      // we compare ordered collections specifically as to be matching, each pair of elements at a given index must match.203      // concretely we compare: (col1[0] vs col2[0]), (col1[1] vs col2[1])...(col1[n] vs col2[n])204      if (dualValue.isExpectedFieldAnOrderedCollection()205          && !recursiveComparisonConfiguration.shouldIgnoreCollectionOrder(dualValue)) {206        compareOrderedCollections(dualValue, comparisonState);207        continue;208      }209      if (dualValue.isExpectedFieldAnIterable()) {210        compareUnorderedIterables(dualValue, comparisonState);211        continue;212      }213      if (dualValue.isExpectedFieldAnOptional()) {214        compareOptional(dualValue, comparisonState);215        continue;216      }217      // Compare two SortedMaps taking advantage of the fact that these Maps can be compared in O(N) time due to their ordering218      if (dualValue.isExpectedFieldASortedMap()) {219        compareSortedMap(dualValue, comparisonState);220        continue;221      }222      // Compare two Unordered Maps. This is a slightly more expensive comparison because order cannot be assumed, therefore a223      // temporary Map must be created, however the comparison still runs in O(N) time.224      if (dualValue.isExpectedFieldAMap()) {225        compareUnorderedMap(dualValue, comparisonState);226        continue;227      }228      if (shouldCompareDualValue(recursiveComparisonConfiguration, dualValue)) {229        if (!actualFieldValue.equals(expectedFieldValue)) comparisonState.addDifference(dualValue);230        continue;231      }232      Class<?> actualFieldValueClass = actualFieldValue.getClass();233      Class<?> expectedFieldClass = expectedFieldValue.getClass();234      if (recursiveComparisonConfiguration.isInStrictTypeCheckingMode() && expectedTypeIsNotSubtypeOfActualType(dualValue)) {235        comparisonState.addDifference(dualValue, STRICT_TYPE_ERROR, expectedFieldClass.getName(),236                                      actualFieldValueClass.getName());237        continue;238      }239      Set<String> actualNonIgnoredFieldsNames = recursiveComparisonConfiguration.getNonIgnoredActualFieldNames(dualValue);240      Set<String> expectedFieldsNames = getFieldsNames(expectedFieldClass);241      // Check if expected has more fields than actual, in that case the additional fields are reported as difference242      if (!expectedFieldsNames.containsAll(actualNonIgnoredFieldsNames)) {243        // report missing fields in actual244        Set<String> actualFieldsNamesNotInExpected = newHashSet(actualNonIgnoredFieldsNames);245        actualFieldsNamesNotInExpected.removeAll(expectedFieldsNames);246        String missingFields = actualFieldsNamesNotInExpected.toString();247        String expectedClassName = expectedFieldClass.getName();248        String actualClassName = actualFieldValueClass.getName();249        String missingFieldsDescription = format(MISSING_FIELDS, actualClassName, expectedClassName,250                                                 expectedFieldClass.getSimpleName(), actualFieldValueClass.getSimpleName(),251                                                 missingFields);252        comparisonState.addDifference(dualValue, missingFieldsDescription);253      } else { // TODO remove else to report more diff254        // compare actual's fields against expected :255        // - if actual has more fields than expected, the additional fields are ignored as expected is the reference256        for (String actualFieldName : actualNonIgnoredFieldsNames) {257          if (expectedFieldsNames.contains(actualFieldName)) {258            DualValue newDualValue = new DualValue(currentPath, actualFieldName,259                                                   COMPARISON.getSimpleValue(actualFieldName, actualFieldValue),260                                                   COMPARISON.getSimpleValue(actualFieldName, expectedFieldValue));261            comparisonState.registerForComparison(newDualValue);262          }263        }264      }265    }266    return comparisonState.getDifferences();267  }268  private static boolean shouldCompareDualValue(RecursiveComparisonConfiguration recursiveComparisonConfiguration,269                                                final DualValue dualValue) {270    return !recursiveComparisonConfiguration.shouldIgnoreOverriddenEqualsOf(dualValue)271           && hasOverriddenEquals(dualValue.actual.getClass());272  }273  // avoid comparing enum recursively since they contain static fields which are ignored in recursive comparison274  // this would make different field enum value to be considered the same!275  private static void compareAsEnums(final DualValue dualValue,276                                     ComparisonState comparisonState,277                                     RecursiveComparisonConfiguration recursiveComparisonConfiguration) {278    if (recursiveComparisonConfiguration.isInStrictTypeCheckingMode()) {279      // we can use == for comparison which checks both actual and expected values and types are the same280      if (dualValue.actual != dualValue.expected) comparisonState.addDifference(dualValue);281      return;282    }283    if (!dualValue.isActualAnEnum()) {284      comparisonState.addDifference(dualValue, differentTypeErrorMessage(dualValue, "an enum"));285      return;286    }287    // both actual and expected are enums288    Enum<?> actualEnum = (Enum<?>) dualValue.actual;289    Enum<?> expectedEnum = (Enum<?>) dualValue.expected;290    // we must only compare actual and expected enum by value but not by type291    if (!actualEnum.name().equals(expectedEnum.name())) comparisonState.addDifference(dualValue);292  }293  private static boolean shouldHonorOverriddenEquals(DualValue dualValue,294                                                     RecursiveComparisonConfiguration recursiveComparisonConfiguration) {295    boolean shouldNotIgnoreOverriddenEqualsIfAny = !recursiveComparisonConfiguration.shouldIgnoreOverriddenEqualsOf(dualValue);296    return shouldNotIgnoreOverriddenEqualsIfAny && dualValue.actual != null && hasOverriddenEquals(dualValue.actual.getClass());297  }298  private static void compareArrays(DualValue dualValue, ComparisonState comparisonState) {299    if (!dualValue.isActualFieldAnArray()) {300      // at the moment we only allow comparing arrays with arrays but we might allow comparing to collections later on301      // but only if we are not in strict type mode.302      comparisonState.addDifference(dualValue, differentTypeErrorMessage(dualValue, "an array"));303      return;304    }305    // both values in dualValue are arrays306    int actualArrayLength = Array.getLength(dualValue.actual);307    int expectedArrayLength = Array.getLength(dualValue.expected);308    if (actualArrayLength != expectedArrayLength) {309      comparisonState.addDifference(dualValue, DIFFERENT_SIZE_ERROR, "arrays", actualArrayLength, expectedArrayLength);310      // no need to inspect elements, arrays are not equal as they don't have the same size311      return;312    }313    // register each pair of actual/expected elements for recursive comparison314    List<String> arrayFieldPath = dualValue.getPath();315    for (int i = 0; i < actualArrayLength; i++) {316      Object actualElement = Array.get(dualValue.actual, i);317      Object expectedElement = Array.get(dualValue.expected, i);318      // TODO add [i] to the path ?319      comparisonState.registerForComparison(new DualValue(arrayFieldPath, actualElement, expectedElement));320    }321  }322  /*323   * Deeply compare two Collections that must be same length and in same order.324   */325  private static void compareOrderedCollections(DualValue dualValue, ComparisonState comparisonState) {326    if (!dualValue.isActualFieldAnOrderedCollection()) {327      // at the moment if expected is an ordered collection then actual should also be one328      comparisonState.addDifference(dualValue, ACTUAL_NOT_ORDERED_COLLECTION, dualValue.actual.getClass().getCanonicalName());329      return;330    }331    Collection<?> actualCollection = (Collection<?>) dualValue.actual;332    Collection<?> expectedCollection = (Collection<?>) dualValue.expected;333    if (actualCollection.size() != expectedCollection.size()) {334      comparisonState.addDifference(dualValue, DIFFERENT_SIZE_ERROR,335                                    "collections", actualCollection.size(), expectedCollection.size());336      // no need to inspect elements, arrays are not equal as they don't have the same size337      return;338    }339    // register pair of elements with same index for later comparison as we compare elements in order340    Iterator<?> expectedIterator = expectedCollection.iterator();341    List<String> path = dualValue.getPath();342    actualCollection.stream()343                    .map(element -> new DualValue(path, element, expectedIterator.next()))344                    .forEach(comparisonState::registerForComparison);345  }346  private static String differentTypeErrorMessage(DualValue dualValue, String actualTypeDescription) {347    return format(DIFFERENT_ACTUAL_AND_EXPECTED_FIELD_TYPES,348                  actualTypeDescription, dualValue.actual.getClass().getCanonicalName());349  }350  private static void compareUnorderedIterables(DualValue dualValue, ComparisonState comparisonState) {351    if (!dualValue.isActualFieldAnIterable()) {352      // at the moment we only compare iterable with iterables (but we might allow arrays too)353      comparisonState.addDifference(dualValue, differentTypeErrorMessage(dualValue, "an iterable"));354      return;355    }356    Iterable<?> actual = (Iterable<?>) dualValue.actual;357    Iterable<?> expected = (Iterable<?>) dualValue.expected;358    int actualSize = sizeOf(actual);359    int expectedSize = sizeOf(expected);360    if (actualSize != expectedSize) {361      comparisonState.addDifference(dualValue, DIFFERENT_SIZE_ERROR, "collections", actualSize, expectedSize);362      // no need to inspect elements, iterables are not equal as they don't have the same size363      return;364      // TODO instead we could register the diff between expected and actual that is:365      // - unexpected actual elements (the ones not matching any expected)366      // - expected elements not found in actual.367    }368    List<String> path = dualValue.getPath();369    // copy expected as we will remove elements found in actual370    Collection<?> expectedCopy = new LinkedList<>(toCollection(expected));371    for (Object actualElement : actual) {372      // compare recursively actualElement to all remaining expected elements373      Iterator<?> expectedIterator = expectedCopy.iterator();374      while (expectedIterator.hasNext()) {375        Object expectedElement = expectedIterator.next();376        // we need to get the currently visited dual values otherwise a cycle would cause an infinite recursion.377        List<ComparisonDifference> differences = determineDifferences(actualElement, expectedElement, path, false,378                                                                      comparisonState.visitedDualValues,379                                                                      comparisonState.recursiveComparisonConfiguration);380        if (differences.isEmpty()) {381          // we found an element in expected matching actualElement, we must remove it as if actual matches expected382          // it means for each actual element there is one and only matching expected element.383          expectedIterator.remove();384          // jump to next actual element check385          break;386        }387      }388    }389    // expectedCopy not empty = there was at least one actual element not matching any expected elements.390    if (!expectedCopy.isEmpty()) comparisonState.addDifference(dualValue);391    // TODO instead we could register the diff between expected and actual that is:392    // - unexpected actual elements (the ones not matching any expected)393    // - expected elements not found in actual.394  }395  private static <K, V> void compareSortedMap(DualValue dualValue, ComparisonState comparisonState) {396    if (!dualValue.isActualFieldASortedMap()) {397      // at the moment we only compare iterable with iterables (but we might allow arrays too)398      comparisonState.addDifference(dualValue, differentTypeErrorMessage(dualValue, "a sorted map"));399      return;400    }401    Map<?, ?> actualMap = (Map<?, ?>) dualValue.actual;402    @SuppressWarnings("unchecked")403    Map<K, V> expectedMap = (Map<K, V>) dualValue.expected;404    if (actualMap.size() != expectedMap.size()) {405      comparisonState.addDifference(dualValue, DIFFERENT_SIZE_ERROR, "sorted maps", actualMap.size(), expectedMap.size());406      // no need to inspect entries, maps are not equal as they don't have the same size407      return;408      // TODO instead we could register the diff between expected and actual that is:409      // - unexpected actual entries (the ones not matching any expected)410      // - expected entries not found in actual.411    }412    List<String> path = dualValue.getPath();413    Iterator<Map.Entry<K, V>> expectedMapEntries = expectedMap.entrySet().iterator();414    for (Map.Entry<?, ?> actualEntry : actualMap.entrySet()) {415      Map.Entry<?, ?> expectedEntry = expectedMapEntries.next();416      // Must split the Key and Value so that Map.Entry's equals() method is not used.417      comparisonState.registerForComparison(new DualValue(path, actualEntry.getKey(), expectedEntry.getKey()));418      comparisonState.registerForComparison(new DualValue(path, actualEntry.getValue(), expectedEntry.getValue()));419    }420  }421  private static void compareUnorderedMap(DualValue dualValue, ComparisonState comparisonState) {422    if (!dualValue.isActualFieldAMap()) {423      comparisonState.addDifference(dualValue, differentTypeErrorMessage(dualValue, "a map"));424      return;425    }426    Map<?, ?> actualMap = (Map<?, ?>) dualValue.actual;427    Map<?, ?> expectedMap = (Map<?, ?>) dualValue.expected;428    if (actualMap.size() != expectedMap.size()) {429      comparisonState.addDifference(dualValue, DIFFERENT_SIZE_ERROR, "maps", actualMap.size(), expectedMap.size());430      // no need to inspect entries, maps are not equal as they don't have the same size431      return;432      // TODO instead we could register the diff between expected and actual that is:433      // - unexpected actual entries (the ones not matching any expected)434      // - expected entries not found in actual.435    }436    Map<Integer, Map.Entry<?, ?>> fastLookup = expectedMap.entrySet().stream()437                                                          .collect(toMap(entry -> deepHashCode(entry.getKey()), entry -> entry));438    List<String> path = dualValue.getPath();439    for (Map.Entry<?, ?> actualEntry : actualMap.entrySet()) {440      int deepHashCode = deepHashCode(actualEntry.getKey());441      if (!fastLookup.containsKey(deepHashCode)) {442        // TODO add description of the entry in actual not found in expected.443        comparisonState.addDifference(dualValue);444        return;445      }446      Map.Entry<?, ?> expectedEntry = fastLookup.get(deepHashCode);447      // Must split the Key and Value so that Map.Entry's equals() method is not used.448      comparisonState.registerForComparison(new DualValue(path, actualEntry.getKey(), expectedEntry.getKey()));449      comparisonState.registerForComparison(new DualValue(path, actualEntry.getValue(), expectedEntry.getValue()));450    }451  }452  private static void compareOptional(DualValue dualValue, ComparisonState comparisonState) {453    if (!dualValue.isActualFieldAnOptional()) {454      comparisonState.addDifference(dualValue, differentTypeErrorMessage(dualValue, "an Optional"));455      return;456    }457    Optional<?> actual = (Optional<?>) dualValue.actual;458    Optional<?> expected = (Optional<?>) dualValue.expected;459    if (actual.isPresent() != expected.isPresent()) {460      comparisonState.addDifference(dualValue);461      return;462    }463    // either both are empty or present464    if (!actual.isPresent()) return; // both optional are empty => end of the comparison465    // both are present, we have to compare their values recursively466    Object value1 = actual.get();...

ComparisonState

Using AI Code Generation

1import static org.assertj.core.api.BDDAssertions.then;2import java.util.List;3import org.assertj.core.api.recursive.comparison.RecursiveComparisonDifference;4import org.assertj.core.api.recursive.comparison.RecursiveComparisonDifferenceCalculator;5import org.assertj.core.api.recursive.comparison.RecursiveComparisonDifferenceCalculator.ComparisonState;6import org.junit.jupiter.api.Test;7class RecursiveComparisonDifferenceCalculatorTest {8  void should_calculate_difference() {9    ComparisonState state = new RecursiveComparisonDifferenceCalculator()10      .comparisonStateOf("foo", "bar");11    List<RecursiveComparisonDifference> differences = state.getDifferences();12    then(differences).hasSize(1);13    then(differences.get(0).getActual()).isEqualTo("bar");14    then(differences.get(0).getExpected()).isEqualTo("foo");15  }16}17import static org.assertj.core.api.BDDAssertions.then;18import java.util.List;19import org.assertj.core.api.recursive.comparison.RecursiveComparisonDifference;20import org.assertj.core.api.recursive.comparison.RecursiveComparisonDifferenceCalculator;21import org.assertj.core.api.recursive.comparison.RecursiveComparisonDifferenceCalculator.ComparisonState;22import org.junit.jupiter.api.Test;23class RecursiveComparisonDifferenceCalculatorTest {24  void should_calculate_difference() {25    ComparisonState state = new RecursiveComparisonDifferenceCalculator()26      .comparisonStateOf("foo", "bar");27    List<RecursiveComparisonDifference> differences = state.getDifferences();28    then(differences).hasSize(1);29    then(differences.get(0).getActual()).isEqualTo("bar");30    then(differences.get(0).getExpected()).isEqualTo("foo");31  }32}33import static org.assertj.core.api.BDDAssertions.then;34import java.util.List;35import org.assertj.core.api.recursive.comparison.RecursiveComparisonDifference;36import org.assertj.core.api.recursive.comparison.RecursiveComparisonDifferenceCalculator;37import org.assertj.core.api.recursive.comparison.RecursiveComparisonDifferenceCalculator.ComparisonState;38import org.junit.jupiter.api.Test;39class RecursiveComparisonDifferenceCalculatorTest {40  void should_calculate_difference() {

ComparisonState

Using AI Code Generation

1import org.assertj.core.api.recursive.comparison.RecursiveComparisonDifferenceCalculator2import org.assertj.core.api.recursive.comparison.ComparisonDifference3def obj1 = new Person(name: 'John', age: 20, friends: [new Person(name: 'Paul', age: 21)])4def obj2 = new Person(name: 'John', age: 30, friends: [new Person(name: 'Paul', age: 21)])5def differences = new RecursiveComparisonDifferenceCalculator().comparisonState(obj1, obj2)6differences.forEach { diff ->7    println "difference: ${diff}"8}

ComparisonState

Using AI Code Generation

1import org.assertj.core.api.recursive.comparison.ComparisonState;2import org.assertj.core.api.recursive.comparison.RecursiveComparisonDifferenceCalculator;3public class Test {4    public static void main(String[] args) {5        ComparisonState comparisonState = new ComparisonState();6        RecursiveComparisonDifferenceCalculator recursiveComparisonDifferenceCalculator = new RecursiveComparisonDifferenceCalculator();7        recursiveComparisonDifferenceCalculator.compare(comparisonState, new

ComparisonState

Using AI Code Generation

1import org.assertj.core.api.recursive.comparison.RecursiveComparisonDifferenceCalculator2import org.assertj.core.api.recursive.comparison.ComparisonState3class RecursiveComparisonDifferenceCalculatorTest {4    def "test ComparisonState"() {5        def left = new Person(name: "John", age: 20, address: new Address(street: "1st street", zipCode: "12345"))6        def right = new Person(name: "John", age: 20, address: new Address(street: "2nd street", zipCode: "12345"))7        def calculator = new RecursiveComparisonDifferenceCalculator()8        def state = calculator.ComparisonState(left, right, null, null)9        differences.size() == 110    }11    class Person {12    }13    class Address {14    }15}16at org.spockframework.runtime.Condition.notSatisfied(Condition.java:29)17at org.spockframework.runtime.Condition$NotSatisfiedHandler.handleConditionNotSatisfied(Condition.java:135)18at org.spockframework.runtime.Condition$NotSatisfiedHandler.handleConditionNotSatisfied(Condition.java:131)19at org.spockframework.runtime.Condition$NotSatisfiedHandler.handleConditionNotSatisfied(Condition.java:127)20at org.spockframework.runtime.Condition$NotSatisfiedHandler.handleConditionNotSatisfied(Condition.java:123)

ComparisonState

Using AI Code Generation

1import org.assertj.core.api.recursive.comparison.ComparisonState;2import org.assertj.core.api.recursive.comparison.RecursiveComparisonDifference;3import org.assertj.core.api.recursive.comparison.RecursiveComparisonDifferenceCalculator;4import org.assertj.core.api.recursive.comparison.RecursiveComparisonDifferenceCalculatorTest;5import java.util.List;6import java.util.Objects;7public class AssertJRecursiveComparisonDifferenceCalculatorTest {8    public static void main(String[] args) {9        Person person1 = new Person("John", "Doe");10        Person person2 = new Person("Jane", "Doe");11        List<RecursiveComparisonDifference> differences = RecursiveComparisonDifferenceCalculator.calculateDifferences(person1, person2);12        ComparisonState comparisonState = differences.get(0).getComparisonState();13        System.out.println(comparisonState.isEqual());14    }15    static class Person {16        private String firstName;17        private String lastName;18        public Person(String firstName, String lastName) {19            this.firstName = firstName;20            this.lastName = lastName;21        }22        public String getFirstName() {23            return firstName;24        }25        public void setFirstName(String firstName) {26            this.firstName = firstName;27        }28        public String getLastName() {29            return lastName;30        }31        public void setLastName(String lastName) {32            this.lastName = lastName;33        }34        public boolean equals(Object o) {35            if (this == o) return true;36            if (o == null || getClass() != o.getClass()) return false;37            Person person = (Person) o;38            return Objects.equals(firstName, person.firstName) &&39                    Objects.equals(lastName, person.lastName);40        }41        public int hashCode() {42            return Objects.hash(firstName, lastName);43        }44        public String toString() {45            return "Person{" +

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.