/**
* Assert that the given object is lenient equals by ignoring fields.
*
* @param info contains information about the assertion.
* @param actual the given object.
* @param other the object to compare {@code actual} to.
* @param fields the fields to ignore in comparison
* @throws NullPointerException if the actual type is {@code null}.
* @throws NullPointerException if the other type is {@code null}.
* @throws AssertionError if the actual and the given object are not lenient equals.
* @throws AssertionError if the other object is not an instance of the actual type.
*/
public <A> void assertIsLenientEqualsToByIgnoringFields(
AssertionInfo info, A actual, A other, String... fields) {
assertIsInstanceOf(info, other, actual.getClass());
List<String> fieldsNames = new LinkedList<String>();
List<Object> expectedValues = new LinkedList<Object>();
Set<String> ignoredFields = set(fields);
for (Field field : actual.getClass().getDeclaredFields()) {
try {
if (!ignoredFields.contains(field.getName())) {
String fieldName = field.getName();
Object actualFieldValue = propertySupport.propertyValue(fieldName, Object.class, actual);
Object otherFieldValue = propertySupport.propertyValue(fieldName, Object.class, other);
if (!org.fest.util.Objects.areEqual(actualFieldValue, otherFieldValue)) {
fieldsNames.add(fieldName);
expectedValues.add(otherFieldValue);
}
}
} catch (IntrospectionError e) {
// Not readeable field, skip.
}
}
if (fieldsNames.isEmpty()) return;
throw failures.failure(
info, shouldBeLenientEqualByIgnoring(actual, fieldsNames, expectedValues, list(fields)));
}
/**
* Assert that the given object is lenient equals by ignoring null fields value on other object.
*
* @param info contains information about the assertion.
* @param actual the given object.
* @param other the object to compare {@code actual} to.
* @throws NullPointerException if the actual type is {@code null}.
* @throws NullPointerException if the other type is {@code null}.
* @throws AssertionError if the actual and the given object are not lenient equals.
* @throws AssertionError if the other object is not an instance of the actual type.
*/
public <A> void assertIsLenientEqualsToByIgnoringNullFields(
AssertionInfo info, A actual, A other) {
assertIsInstanceOf(info, other, actual.getClass());
List<String> fieldsNames = new LinkedList<String>();
List<Object> values = new LinkedList<Object>();
List<String> nullFields = new LinkedList<String>();
for (Field field : actual.getClass().getDeclaredFields()) {
try {
Object otherFieldValue =
propertySupport.propertyValue(field.getName(), field.getType(), other);
if (otherFieldValue != null) {
Object actualFieldValue =
propertySupport.propertyValue(field.getName(), field.getType(), actual);
if (!otherFieldValue.equals(actualFieldValue)) {
fieldsNames.add(field.getName());
values.add(otherFieldValue);
}
} else {
nullFields.add(field.getName());
}
} catch (IntrospectionError e) {
// Not readeable field, skip.
}
}
if (fieldsNames.isEmpty()) return;
throw failures.failure(
info, shouldBeLenientEqualByIgnoring(actual, fieldsNames, values, nullFields));
}
/**
* Assert that the given object is lenient equals to other object by comparing given fields value
* only.
*
* @param info contains information about the assertion.
* @param actual the given object.
* @param other the object to compare {@code actual} to.
* @param fields accepted fields
* @throws NullPointerException if the actual type is {@code null}.
* @throws NullPointerException if the other type is {@code null}.
* @throws AssertionError if the actual and the given object are not lenient equals.
* @throws AssertionError if the other object is not an instance of the actual type.
* @throws IntrospectionError if a field does not exist in actual.
*/
public <A> void assertIsLenientEqualsToByAcceptingFields(
AssertionInfo info, A actual, A other, String... fields) {
assertIsInstanceOf(info, other, actual.getClass());
List<String> rejectedFieldsNames = new LinkedList<String>();
List<Object> expectedValues = new LinkedList<Object>();
for (String fieldName : fields) {
Object actualFieldValue = propertySupport.propertyValue(fieldName, Object.class, actual);
Object otherFieldValue = propertySupport.propertyValue(fieldName, Object.class, other);
if (!(actualFieldValue == otherFieldValue
|| (actualFieldValue != null && actualFieldValue.equals(otherFieldValue)))) {
rejectedFieldsNames.add(fieldName);
expectedValues.add(otherFieldValue);
}
}
if (rejectedFieldsNames.isEmpty()) return;
throw failures.failure(
info,
shouldBeLenientEqualByAccepting(actual, rejectedFieldsNames, expectedValues, list(fields)));
}
