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How to use compareArrays method of org.assertj.core.internal.DeepDifference class

Best Assertj code snippet using org.assertj.core.internal.DeepDifference.compareArrays

Source:RecursiveComparisonDifferenceCalculator.java

...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    }...

Source:DeepDifference.java

...197      // Handle all [] types. In order to be equal, the arrays must be the198      // same length, be of the same type, be in the same order, and all199      // elements within the array must be deeply equivalent.200      if (key1.getClass().isArray()) {201        if (!compareArrays(key1, key2, currentPath, toCompare, visited)) {202          differences.add(new Difference(currentPath, key1, key2));203          continue;204        }205        continue;206      }207      // Special handle SortedSets because they are fast to compare208      // because their elements must be in the same order to be equivalent Sets.209      if (key1 instanceof SortedSet) {210        if (!compareOrderedCollection((Collection<?>) key1, (Collection<?>) key2, currentPath, toCompare, visited)) {211          differences.add(new Difference(currentPath, key1, key2));212          continue;213        }214        continue;215      }216      // Check List, as element order matters this comparison is faster than using unordered comparison.217      if (key1 instanceof List) {218        if (!compareOrderedCollection((Collection<?>) key1, (Collection<?>) key2, currentPath, toCompare, visited)) {219          differences.add(new Difference(currentPath, key1, key2));220          continue;221        }222        continue;223      }224      // Handle unordered Collection.225      if (key1 instanceof Collection) {226        if (!compareUnorderedCollection((Collection<?>) key1, (Collection<?>) key2, currentPath, toCompare,227                                        visited, comparatorByPropertyOrField, comparatorByType)) {228          differences.add(new Difference(currentPath, key1, key2));229          continue;230        }231        continue;232      }233      // Compare two SortedMaps. This takes advantage of the fact that these234      // Maps can be compared in O(N) time due to their ordering.235      if (key1 instanceof SortedMap) {236        if (!compareSortedMap((SortedMap<?, ?>) key1, (SortedMap<?, ?>) key2, currentPath, toCompare, visited)) {237          differences.add(new Difference(currentPath, key1, key2));238          continue;239        }240        continue;241      }242      // Compare two Unordered Maps. This is a slightly more expensive comparison because243      // order cannot be assumed, therefore a temporary Map must be created, however the244      // comparison still runs in O(N) time.245      if (key1 instanceof Map) {246        if (!compareUnorderedMap((Map<?, ?>) key1, (Map<?, ?>) key2, currentPath, toCompare, visited)) {247          differences.add(new Difference(currentPath, key1, key2));248          continue;249        }250        continue;251      }252      if (hasCustomEquals(key1.getClass())) {253        if (!key1.equals(key2)) {254          differences.add(new Difference(currentPath, key1, key2));255          continue;256        }257        continue;258      }259      Set<String> key1FieldsNames = getFieldsNames(getDeclaredFieldsIncludingInherited(key1.getClass()));260      Set<String> key2FieldsNames = getFieldsNames(getDeclaredFieldsIncludingInherited(key2.getClass()));261      if (!key2FieldsNames.containsAll(key1FieldsNames)) {262        differences.add(new Difference(currentPath, key1, key2));263      } else {264        for (String fieldName : key1FieldsNames) {265          List<String> path = new ArrayList<>(currentPath);266          path.add(fieldName);267          DualKey dk = new DualKey(path,268                                   COMPARISON.getSimpleValue(fieldName, key1),269                                   COMPARISON.getSimpleValue(fieldName, key2));270          if (!visited.contains(dk)) {271            toCompare.addFirst(dk);272          }273        }274      }275    }276    return differences;277  }278  private static boolean hasCustomComparator(DualKey dualKey, Map<String, Comparator<?>> comparatorByPropertyOrField,279                                             TypeComparators comparatorByType) {280    String fieldName = dualKey.getConcatenatedPath();281    if (comparatorByPropertyOrField.containsKey(fieldName)) return true;282    // we know that dualKey.key1 != dualKey.key2 at this point, so one the key is not null283    Class<?> keyType = dualKey.key1 != null ? dualKey.key1.getClass() : dualKey.key2.getClass();284    return comparatorByType.get(keyType) != null;285  }286  private static Deque<DualKey> initStack(Object a, Object b, List<String> parentPath,287                                          Map<String, Comparator<?>> comparatorByPropertyOrField,288                                          TypeComparators comparatorByType) {289    Deque<DualKey> stack = new LinkedList<>();290    boolean isRootObject = parentPath == null;291    List<String> currentPath = isRootObject ? new ArrayList<String>() : parentPath;292    DualKey basicDualKey = new DualKey(currentPath, a, b);293    if (a != null && b != null && !isContainerType(a) && !isContainerType(b)294        && (isRootObject || !hasCustomComparator(basicDualKey, comparatorByPropertyOrField, comparatorByType))) {295      // disregard the equals method and start comparing fields296      Set<String> aFieldsNames = getFieldsNames(getDeclaredFieldsIncludingInherited(a.getClass()));297      if (!aFieldsNames.isEmpty()) {298        Set<String> bFieldsNames = getFieldsNames(getDeclaredFieldsIncludingInherited(b.getClass()));299        if (!bFieldsNames.containsAll(aFieldsNames)) {300          stack.addFirst(basicDualKey);301        } else {302          for (String fieldName : aFieldsNames) {303            List<String> fieldPath = new ArrayList<>(currentPath);304            fieldPath.add(fieldName);305            DualKey dk = new DualKey(fieldPath,306                                     COMPARISON.getSimpleValue(fieldName, a),307                                     COMPARISON.getSimpleValue(fieldName, b));308            stack.addFirst(dk);309          }310        }311      } else {312        stack.addFirst(basicDualKey);313      }314    } else {315      stack.addFirst(basicDualKey);316    }317    return stack;318  }319  private static Set<String> getFieldsNames(Collection<Field> fields) {320    Set<String> fieldNames = new LinkedHashSet<>();321    for (Field field : fields) {322      fieldNames.add(field.getName());323    }324    return fieldNames;325  }326  private static boolean isContainerType(Object o) {327    return o instanceof Collection || o instanceof Map;328  }329  /**330   * Deeply compare to Arrays []. Both arrays must be of the same type, same331   * length, and all elements within the arrays must be deeply equal in order332   * to return true.333   * 334   * @param array1 [] type (Object[], String[], etc.)335   * @param array2 [] type (Object[], String[], etc.)336   * @param path the path to the arrays to compare337   * @param toCompare add items to compare to the Stack (Stack versus recursion)338   * @param visited Set of objects already compared (prevents cycles)339   * @return true if the two arrays are the same length and contain deeply340   *         equivalent items.341   */342  private static boolean compareArrays(Object array1, Object array2, List<String> path, Deque<DualKey> toCompare,343                                       Set<DualKey> visited) {344    int len = Array.getLength(array1);345    if (len != Array.getLength(array2)) {346      return false;347    }348    for (int i = 0; i < len; i++) {349      DualKey dk = new DualKey(path, Array.get(array1, i), Array.get(array2, i));350      if (!visited.contains(dk)) {351        toCompare.addFirst(dk);352      }353    }354    return true;355  }356  /**...

compareArrays

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import static org.assertj.core.api.Assertions.assertThatExceptionOfType;3import static org.assertj.core.api.Assertions.assertThatNullPointerException;4import static org.assertj.core.api.Assertions.assertThatThrownBy;5import static org.assertj.core.api.Assertions.catchThrowable;6import static org.assertj.core.api.Assertions.entry;

compareArrays

Using AI Code Generation

1import org.assertj.core.internal.DeepDifference;2import org.assertj.core.internal.Difference;3public class 1 {4    public static void main(String[] args) {5        String[] array1 = {"one", "two", "three"};6        String[] array2 = {"one", "two", "three", "four"};7        Difference difference = new DeepDifference().compareArrays(array1, array2);8        System.out.println(difference);9    }10}

compareArrays

Using AI Code Generation

1import org.assertj.core.internal.DeepDifference;2import java.util.ArrayList;3import java.util.Arrays;4import java.util.List;5import static org.assertj.core.api.Assertions.assertThat;6import static org.assertj.core.internal.DeepDifference.differencesFound;7public class CompareArrays {8    public static void main(String[] args) {9        int[] array1 = { 1, 2, 3, 4, 5 };10        int[] array2 = { 1, 2, 3, 4, 5 };11        List<String> differences = new ArrayList<>();12        DeepDifference.deepDiff(array1, array2, differences);13        assertThat(differences).isEmpty();14        String[] array3 = { "a", "b", "c", "d", "e" };15        String[] array4 = { "a", "b", "c", "d", "e" };16        List<String> differences1 = new ArrayList<>();17        DeepDifference.deepDiff(array3, array4, differences1);18        assertThat(differences1).isEmpty();19    }20}

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