How to use getRelevantClass method of org.assertj.core.internal.TypeHolder class

Best Assertj code snippet using org.assertj.core.internal.TypeHolder.getRelevantClass

Source:TypeHolder.java

...51   * @param clazz the class for which to find a entity52   * @return the most relevant entity, or {@code null} if on entity could be found53   */54  public T get(Class<?> clazz) {55    Class<?> relevantType = getRelevantClass(clazz);56    return relevantType == null ? null : typeHolder.get(relevantType);57  }58  /**59   * Puts the {@code entity} for the given {@code clazz}.60   *61   * @param clazz the class for the comparator62   * @param entity the entity itself63   */64  public void put(Class<?> clazz, T entity) {65    typeHolder.put(clazz, entity);66  }67  /**68   * Checks, whether an entity is associated with the giving type.69   *70   * @param type the type for which to check an entity71   * @return is the giving type associated with any entity72   */73  public boolean hasEntity(Class<?> type) {74    return get(type) != null;75  }76  /**77   * @return {@code true} is there are registered entities, {@code false} otherwise78   */79  public boolean isEmpty() {80    return typeHolder.isEmpty();81  }82  /**83   * Removes all registered entities.84   */85  public void clear() {86    typeHolder.clear();87  }88  /**89   * Returns a sequence of all type-entity pairs which the current holder supplies.90   *91   * @return sequence of field-entity pairs92   */93  public Stream<Entry<Class<?>, T>> entityByTypes() {94    return typeHolder.entrySet().stream();95  }96  /**97   * Returns the most relevant class for the given type from the giving collection of types.98   * <p>99   * The order of checks is the following:100   * <ol>101   * <li>If there is a registered message for {@code clazz} then this one is used</li>102   * <li>We check if there is a registered message for a superclass of {@code clazz}</li>103   * <li>We check if there is a registered message for an interface of {@code clazz}</li>104   * </ol>105   * If there is no relevant type in the giving collection - {@code null} will be returned.106   *107   * @param cls type to find a relevant class.108   * @return the most relevant class.109   */110  private Class<?> getRelevantClass(Class<?> cls) {111    Set<Class<?>> keys = typeHolder.keySet();112    if (keys.contains(cls)) return cls;113    for (Class<?> superClass : getAllSuperclasses(cls)) {114      if (keys.contains(superClass)) return superClass;115    }116    for (Class<?> interfaceClass : getAllInterfaces(cls)) {117      if (keys.contains(interfaceClass)) return interfaceClass;118    }119    return null;120  }121  @Override122  public boolean equals(Object o) {123    if (this == o) return true;124    if (o == null || getClass() != o.getClass()) return false;...

getRelevantClass

Using AI Code Generation

1public class TypeHolderTest {2    public void should_return_null_when_type_is_null() {3        assertThat(TypeHolder.getRelevantClass(null)).isNull();4    }5    public void should_return_null_when_type_is_not_parameterized() {6        assertThat(TypeHolder.getRelevantClass(Object.class)).isNull();7    }8    public void should_return_null_when_type_is_not_parameterized_with_array() {9        assertThat(TypeHolder.getRelevantClass(Object[].class)).isNull();10    }11    public void should_return_relevant_type_when_type_is_parameterized_with_array() {12        assertThat(TypeHolder.getRelevantClass(Object[][].class)).isEqualTo(Object.class);13    }14    public void should_return_relevant_type_when_type_is_parameterized() {15        assertThat(TypeHolder.getRelevantClass(List.class)).isNull();16        assertThat(TypeHolder.getRelevantClass(List.class.getTypeParameters()[0])).isNull();17        assertThat(TypeHolder.getRelevantClass(new ParameterizedType() {18            public Type[] getActualTypeArguments() {19                return new Type[] { Object.class };20            }21            public Type getRawType() {22                return List.class;23            }24            public Type getOwnerType() {25                return null;26            }27        })).isEqualTo(Object.class);28    }29}

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