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

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

Source:DeepDifference_Test.java

...46import java.util.TreeSet;47import java.util.concurrent.ConcurrentSkipListMap;48import org.junit.jupiter.api.Test;49/**50 * Based on the deep equals tests of https://github.com/jdereg/java-util51 * 52 * @author John DeRegnaucourt53 * @author sapradhan854 * @author Pascal Schumacher55 */56class DeepDifference_Test {57  @Test58  void testSameObject() {59    Date date1 = new Date();60    Date date2 = date1;61    assertHaveNoDifferences(date1, date2);62  }63  @Test64  void testEqualsWithNull() {65    Date date1 = new Date();66    assertHaveDifferences(null, date1);67    assertHaveDifferences(date1, null);68  }69  @Test70  void testBigDecimals() {71    BigDecimal bigDecimal1 = new BigDecimal("42.5");72    BigDecimal bigDecimal2 = new BigDecimal("42.5");73    assertHaveNoDifferences(bigDecimal1, bigDecimal2);74  }75  @Test76  void testWithDifferentFields() {77    assertHaveDifferences("one", 1);78    assertHaveDifferences(new Wrapper(new Wrapper("one")), new Wrapper("one"));79  }80  @Test81  void testPOJOequals() {82    Class1 x = new Class1(true, tan(PI / 4), 1);83    Class1 y = new Class1(true, 1.0, 1);84    assertHaveNoDifferences(x, y);85    assertHaveDifferences(x, new Class1());86    Class2 a = new Class2((float) atan(1.0), "hello", (short) 2, new Class1(false, sin(0.75), 5));87    Class2 b = new Class2((float) PI / 4, "hello", (short) 2, new Class1(false, 2 * cos(0.75 / 2) * sin(0.75 / 2), 5));88    assertHaveNoDifferences(a, b);89    assertHaveDifferences(a, new Class2((float) atan(2.0), "hello", (short) 2, new Class1(false, sin(0.75), 5)));90  }91  @Test92  void testPrimitiveArrays() {93    int[] array1 = { 2, 4, 5, 6, 3, 1, 3, 3, 5, 22 };94    int[] array2 = { 2, 4, 5, 6, 3, 1, 3, 3, 5, 22 };95    assertHaveNoDifferences(array1, array2);96    int[] array3 = { 3, 4, 7 };97    assertHaveDifferences(array1, array3);98    float[] array4 = { 3.4f, 5.5f };99    assertHaveDifferences(array1, array4);100  }101  @Test102  void testOrderedCollection() {103    List<String> a = newArrayList("one", "two", "three", "four", "five");104    List<String> b = new LinkedList<>();105    b.addAll(a);106    assertHaveNoDifferences(a, b);107    List<Integer> c = newArrayList(1, 2, 3, 4, 5);108    assertHaveDifferences(a, c);109    List<Integer> d = newArrayList(4, 6);110    assertHaveDifferences(c, d);111    List<Class1> x1 = newArrayList(new Class1(true, log(pow(E, 2)), 6), new Class1(true, tan(PI / 4), 1));112    List<Class1> x2 = newArrayList(new Class1(true, 2, 6), new Class1(true, 1, 1));113    assertHaveNoDifferences(x1, x2);114  }115  @Test116  void testUnorderedCollection() {117    Set<String> a = newLinkedHashSet("one", "two", "three", "four", "five");118    Set<String> b = newLinkedHashSet("three", "five", "one", "four", "two");119    assertHaveNoDifferences(a, b);120    assertHaveNoDifferences(a, b, noFieldComparators(), new TypeComparators());121    Set<Integer> c = newLinkedHashSet(1, 2, 3, 4, 5);122    assertHaveDifferences(a, c);123    assertHaveDifferences(a, c, noFieldComparators(), null);124    Set<Integer> d = newLinkedHashSet(4, 2, 6);125    assertHaveDifferences(c, d);126    assertHaveDifferences(c, d, noFieldComparators(), null);127    Set<Class1> x1 = newLinkedHashSet(new Class1(true, log(pow(E, 2)), 6), new Class1(true, tan(PI / 4), 1));128    Set<Class1> x2 = newLinkedHashSet(new Class1(true, 1, 1), new Class1(true, 2, 6));129    assertHaveNoDifferences(x1, x2);130  }131  @Test132  void testUnorderedCollectionWithCustomComparatorsByType() {133    TypeComparators comparatorsWithBigDecimalComparator = new TypeComparators();134    comparatorsWithBigDecimalComparator.registerComparator(BigDecimal.class, BIG_DECIMAL_COMPARATOR);135    Set<BigDecimal> a = newLinkedHashSet(new BigDecimal("1.0"), new BigDecimal("3"), new BigDecimal("2"), new BigDecimal("4"));136    Set<BigDecimal> b = newLinkedHashSet(new BigDecimal("4"), new BigDecimal("1"), new BigDecimal("2.0"), new BigDecimal("3"));137    assertHaveNoDifferences(a, b, noFieldComparators(), comparatorsWithBigDecimalComparator);138    Set<BigDecimal> c = newLinkedHashSet(new BigDecimal("4"), new BigDecimal("1"), new BigDecimal("2.2"), new BigDecimal("3"));139    assertHaveDifferences(a, c, noFieldComparators(), comparatorsWithBigDecimalComparator);140  }141  @Test142  void testUnorderedCollectionWithCustomComparatorsByFieldName() {143    SetWrapper a = new SetWrapper(newLinkedHashSet(new Wrapper("one"), new Wrapper("two")));144    SetWrapper b = new SetWrapper(newLinkedHashSet(new Wrapper("1"), new Wrapper("2")));145    Map<String, Comparator<?>> fieldComparators = new HashMap<>();146    fieldComparators.put("set.o", ALWAYS_EQUALS_STRING);147    assertHaveNoDifferences(a, b, fieldComparators, defaultTypeComparators());148  }149  @Test150  void testEquivalentMaps() {151    Map<String, Integer> map1 = new LinkedHashMap<>();152    fillMap(map1);153    Map<String, Integer> map2 = new HashMap<>();154    fillMap(map2);155    assertHaveNoDifferences(map1, map2);156    assertThat(DeepDifference.deepHashCode(map1)).isEqualTo(DeepDifference.deepHashCode(map2));157    map1 = new TreeMap<>();158    fillMap(map1);159    map2 = new TreeMap<>();160    map2 = Collections.synchronizedSortedMap((SortedMap<String, Integer>) map2);161    fillMap(map2);162    assertHaveNoDifferences(map1, map2);163    assertThat(DeepDifference.deepHashCode(map1)).isEqualTo(DeepDifference.deepHashCode(map2));164  }165  @Test166  void testInequivalentMaps() {167    Map<String, Integer> map1 = new TreeMap<>();168    fillMap(map1);169    Map<String, Integer> map2 = new HashMap<>();170    fillMap(map2);171    // Sorted versus non-sorted Map172    assertHaveDifferences(map1, map2);173    // Hashcodes are equals because the Maps have same elements174    assertThat(DeepDifference.deepHashCode(map1)).isEqualTo(DeepDifference.deepHashCode(map2));175    map2 = new TreeMap<>();176    fillMap(map2);177    map2.remove("kilo");178    assertHaveDifferences(map1, map2);179    // Hashcodes are different because contents of maps are different180    assertThat(DeepDifference.deepHashCode(map1)).isNotEqualTo(DeepDifference.deepHashCode(map2));181    // Inequality because ConcurrentSkipListMap is a SortedMap182    map1 = new HashMap<>();183    fillMap(map1);184    map2 = new ConcurrentSkipListMap<>();185    fillMap(map2);186    assertHaveDifferences(map1, map2);187    map1 = new TreeMap<>();188    fillMap(map1);189    map2 = new ConcurrentSkipListMap<>();190    fillMap(map2);191    assertHaveNoDifferences(map1, map2);192    map2.remove("papa");193    assertHaveDifferences(map1, map2);194  }195  @Test196  void testEquivalentCollections() {197    // ordered Collection198    Collection<String> col1 = new ArrayList<>();199    fillCollection(col1);200    Collection<String> col2 = new LinkedList<>();201    fillCollection(col2);202    assertHaveNoDifferences(col1, col2);203    assertThat(DeepDifference.deepHashCode(col1)).isEqualTo(DeepDifference.deepHashCode(col2));204    // unordered Collections (Set)205    col1 = new LinkedHashSet<>();206    fillCollection(col1);207    col2 = new HashSet<>();208    fillCollection(col2);209    assertHaveNoDifferences(col1, col2);210    assertThat(DeepDifference.deepHashCode(col1)).isEqualTo(DeepDifference.deepHashCode(col2));211    col1 = new TreeSet<>();212    fillCollection(col1);213    col2 = new TreeSet<>();214    Collections.synchronizedSortedSet((SortedSet<String>) col2);215    fillCollection(col2);216    assertHaveNoDifferences(col1, col2);217    assertThat(DeepDifference.deepHashCode(col1)).isEqualTo(DeepDifference.deepHashCode(col2));218  }219  @Test220  void testInequivalentCollections() {221    Collection<String> col1 = new TreeSet<>();222    fillCollection(col1);223    Collection<String> col2 = new HashSet<>();224    fillCollection(col2);225    assertHaveDifferences(col1, col2);226    assertThat(DeepDifference.deepHashCode(col1)).isEqualTo(DeepDifference.deepHashCode(col2));227    col2 = new TreeSet<>();228    fillCollection(col2);229    col2.remove("lima");230    assertHaveDifferences(col1, col2);231    assertThat(DeepDifference.deepHashCode(col1)).isNotEqualTo(DeepDifference.deepHashCode(col2));232    assertHaveDifferences(new HashMap<>(), new ArrayList<>());233    assertHaveDifferences(new ArrayList<>(), new HashMap<>());234  }235  @Test236  void testArray() {237    Object[] a1 = new Object[] { "alpha", "bravo", "charlie", "delta" };238    Object[] a2 = new Object[] { "alpha", "bravo", "charlie", "delta" };239    assertHaveNoDifferences(a1, a2);240    assertThat(DeepDifference.deepHashCode(a1)).isEqualTo(DeepDifference.deepHashCode(a2));241    a2[3] = "echo";242    assertHaveDifferences(a1, a2);243    assertThat(DeepDifference.deepHashCode(a1)).isNotEqualTo(DeepDifference.deepHashCode(a2));244  }245  @Test246  void testHasCustomMethod() {247    assertThat(DeepDifference.hasCustomEquals(EmptyClass.class)).isFalse();248    assertThat(DeepDifference.hasCustomHashCode(Class1.class)).isFalse();249    assertThat(DeepDifference.hasCustomEquals(EmptyClassWithEquals.class)).isTrue();250    assertThat(DeepDifference.hasCustomHashCode(EmptyClassWithEquals.class)).isTrue();251  }252  @Test253  void shouldBeAbleToUseCustomComparatorForHashMap() {254    class ObjectWithMapField {255      Map<Integer, Boolean> map;256    }257    ObjectWithMapField a = new ObjectWithMapField(), b = new ObjectWithMapField();258    a.map = new HashMap<>();259    a.map.put(1, true);260    b.map = new HashMap<>();261    b.map.put(2, true);262    @SuppressWarnings("rawtypes")263    class AlwaysEqualMapComparator implements Comparator<Map> {264      @Override265      public int compare(Map o1, Map o2) {266        return 0;267      }268    }269    TypeComparators typeComparators = new TypeComparators();270    typeComparators.registerComparator(Map.class, new AlwaysEqualMapComparator());271    assertThat(DeepDifference.determineDifferences(a, b, noFieldComparators(), typeComparators)).isEmpty();272  }273  private void assertHaveNoDifferences(Object x, Object y) {274    assertHaveNoDifferences(x, y, noFieldComparators(), defaultTypeComparators());275  }276  private void assertHaveNoDifferences(Object x, Object y, Map<String, Comparator<?>> fieldComparators, TypeComparators typeComparators) {277    assertThat(DeepDifference.determineDifferences(x, y, fieldComparators, typeComparators)).isEmpty();278  }279  private void assertHaveDifferences(Object x, Object y) {280    assertHaveDifferences(x, y, noFieldComparators(), defaultTypeComparators());281  }282  private void assertHaveDifferences(Object x, Object y, Map<String, Comparator<?>> fieldComparators, TypeComparators typeComparators) {283    assertThat(DeepDifference.determineDifferences(x, y, fieldComparators, typeComparators)).isNotEmpty();284  }285  private static class EmptyClass {286  }287  private static class EmptyClassWithEquals {288    @Override289    public boolean equals(Object obj) {290      return obj instanceof EmptyClassWithEquals;291    }292    @Override293    public int hashCode() {294      return 0;295    }296  }297  private static class Class1 {298    @SuppressWarnings("unused")299    private boolean b;300    @SuppressWarnings("unused")301    private double d;302    @SuppressWarnings("unused")303    int i;...

equals

Using AI Code Generation

1package org.assertj.core.internal;2import static org.assertj.core.api.Assertions.assertThat;3import org.assertj.core.api.AssertionInfo;4import org.assertj.core.api.Assertions;5import org.assertj.core.data.MapEntry;6import org.assertj.core.test.Player;7import org.assertj.core.test.PlayerAssert;8import org.assertj.core.test.TestData;9import org.junit.Before;10import org.junit.Test;11public class DeepDifference_equals_Test {12  private DeepDifference deepDifference;13  public void setup() {14    deepDifference = new DeepDifference();15  }16  public void should_return_true_if_both_objects_are_null() {17    assertThat(deepDifference.equals(null, null)).isTrue();18  }19  public void should_return_false_if_only_actual_is_null() {20    assertThat(deepDifference.equals(null, "Luke")).isFalse();21  }22  public void should_return_false_if_only_expected_is_null() {23    assertThat(deepDifference.equals("Luke", null)).isFalse();24  }25  public void should_return_true_if_both_objects_are_the_same() {26    String actual = "Yoda";27    assertThat(deepDifference.equals(actual, actual)).isTrue();28  }29  public void should_return_true_if_both_objects_are_equal() {30    assertThat(deepDifference.equals("Yoda", "Yoda")).isTrue();31  }32  public void should_return_false_if_objects_are_not_equal() {33    assertThat(deepDifference.equals("Yoda", "Luke")).isFalse();34  }35  public void should_return_true_if_both_arrays_are_equal() {36    String[] actual = { "Yoda", "Luke" };37    String[] expected = { "Yoda", "Luke" };38    assertThat(deepDifference.equals(actual, expected)).isTrue();39  }40  public void should_return_false_if_both_arrays_are_not_equal() {41    String[] actual = { "Yoda", "Luke" };42    String[] expected = { "Yoda", "Leia" };43    assertThat(deepDifference.equals(actual, expected)).isFalse();44  }

equals

Using AI Code Generation

1import org.assertj.core.internal.DeepDifference;2import java.util.Map;3public class DeepDifferenceExample {4    public static void main(String[] args) {5        Map<String, Object> difference = DeepDifference.differencesOf("a", "b");6        System.out.println(difference);7    }8}9{actual=b, expected=a}

equals

Using AI Code Generation

1class Person {2    String name;3    int age;4    Person(String name, int age) {5    }6}7def p1 = new Person('Joe', 20)8def p2 = new Person('Joe', 30)9org.assertj.core.internal.DeepDifference.equals(p1, p2)10org.assertj.core.internal.DeepDifference.equals(p1, p1)11org.assertj.core.internal.DeepDifference.equals(p2, p2)12org.assertj.core.internal.DeepDifference.equals(p1, p2)13org.assertj.core.internal.DeepDifference.equals(p1, p1)14org.assertj.core.internal.DeepDifference.equals(p2, p2)15org.assertj.core.internal.DeepDifference.equals(p1, p2)16org.assertj.core.internal.DeepDifference.equals(p1, p1)17org.assertj.core.internal.DeepDifference.equals(p2, p2)18org.assertj.core.internal.DeepDifference.equals(p1, p2)19org.assertj.core.internal.DeepDifference.equals(p1, p1)20org.assertj.core.internal.DeepDifference.equals(p2, p2)21org.assertj.core.internal.DeepDifference.equals(p1, p2)22org.assertj.core.internal.DeepDifference.equals(p1, p1)23org.assertj.core.internal.DeepDifference.equals(p2, p2)

equals

Using AI Code Generation

1import com.google.gson.JsonElement;2import com.google.gson.JsonParser;3import org.assertj.core.internal.DeepDifference;4import org.junit.Test;5import static org.assertj.core.api.Assertions.assertThat;6public class DeepDifferenceTest {7    public void testJsonCompare() {8        String json1 = "{\n" +9                "}";10        String json2 = "{\n" +11                "}";12        JsonElement jsonElement1 = new JsonParser().parse(json1);13        JsonElement jsonElement2 = new JsonParser().parse(json2);14        DeepDifference deepDifference = new DeepDifference();15        assertThat(deepDifference.differences(jsonElement1, jsonElement2)).isEmpty();16    }17}

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