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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.commons.lang3.builder;
import static org.junit.jupiter.api.Assertions.assertEquals;
import org.apache.commons.lang3.AbstractLangTest;
import org.junit.jupiter.api.Test;
public class ReflectionDiffBuilderTest extends AbstractLangTest {
private static final ToStringStyle SHORT_STYLE = ToStringStyle.SHORT_PREFIX_STYLE;
@SuppressWarnings("unused")
private static class TypeTestClass implements Diffable<TypeTestClass> {
private final ToStringStyle style = SHORT_STYLE;
private final boolean booleanField = true;
private final boolean[] booleanArrayField = {true};
private final byte byteField = (byte) 0xFF;
private final byte[] byteArrayField = {(byte) 0xFF};
private char charField = 'a';
private char[] charArrayField = {'a'};
private final double doubleField = 1.0;
private final double[] doubleArrayField = {1.0};
private final float floatField = 1.0f;
private final float[] floatArrayField = {1.0f};
int intField = 1;
private final int[] intArrayField = {1};
private final long longField = 1L;
private final long[] longArrayField = {1L};
private final short shortField = 1;
private final short[] shortArrayField = {1};
private final Object objectField = null;
private final Object[] objectArrayField = {null};
private static int staticField;
private transient String transientField;
@Override
public DiffResult diff(final TypeTestClass obj) {
return new ReflectionDiffBuilder(this, obj, style).build();
}
@Override
public int hashCode() {
return HashCodeBuilder.reflectionHashCode(this, false);
}
@Override
public boolean equals(final Object obj) {
return EqualsBuilder.reflectionEquals(this, obj, false);
}
}
@SuppressWarnings("unused")
private static class TypeTestChildClass extends TypeTestClass {
String field = "a";
}
@Test
public void test_no_differences() {
final TypeTestClass firstObject = new TypeTestClass();
final TypeTestClass secondObject = new TypeTestClass();
final DiffResult list = firstObject.diff(secondObject);
assertEquals(0, list.getNumberOfDiffs());
}
@Test
public void test_primitive_difference() {
final TypeTestClass firstObject = new TypeTestClass();
firstObject.charField = 'c';
final TypeTestClass secondObject = new TypeTestClass();
final DiffResult list = firstObject.diff(secondObject);
assertEquals(1, list.getNumberOfDiffs());
}
@Test
public void test_array_difference() {
final TypeTestClass firstObject = new TypeTestClass();
firstObject.charArrayField = new char[] { 'c' };
final TypeTestClass secondObject = new TypeTestClass();
final DiffResult list = firstObject.diff(secondObject);
assertEquals(1, list.getNumberOfDiffs());
}
@Test
public void test_transient_field_difference() {
final TypeTestClass firstObject = new TypeTestClass();
firstObject.transientField = "a";
final TypeTestClass secondObject = new TypeTestClass();
firstObject.transientField = "b";
final DiffResult list = firstObject.diff(secondObject);
assertEquals(0, list.getNumberOfDiffs());
}
@Test
public void test_no_differences_inheritance() {
final TypeTestChildClass firstObject = new TypeTestChildClass();
final TypeTestChildClass secondObject = new TypeTestChildClass();
final DiffResult list = firstObject.diff(secondObject);
assertEquals(0, list.getNumberOfDiffs());
}
@Test
public void test_difference_in_inherited_field() {
final TypeTestChildClass firstObject = new TypeTestChildClass();
firstObject.intField = 99;
final TypeTestChildClass secondObject = new TypeTestChildClass();
final DiffResult list = firstObject.diff(secondObject);
assertEquals(1, list.getNumberOfDiffs());
}
}
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