/*
    * 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.juneau.utils;
  
  import static org.apache.juneau.common.utils.Utils.*;
  import static org.junit.jupiter.api.Assertions.*;
  
  import org.apache.juneau.*;
  import org.junit.jupiter.api.*;
  
  class BeanDiffTest extends TestBase {
  
  	public static class A {
  		public int f1;
  		public String f2;
  
  		static A create(int f1, String f2) {
  			var a = new A();
  			a.f1 = f1;
  			a.f2 = f2;
  			return a;
  		}
  	}
  
  	@Test void a01_same() {
  		var bd = BeanDiff.create(A.create(1, "a"), A.create(1, "a")).build();
  		assertFalse(bd.hasDiffs());
  		assertEquals("{v1:{},v2:{}}", bd.toString());
  	}
  
  	@Test void a02_different() {
  		var bd = BeanDiff.create(A.create(1, "a"), A.create(2, "b")).build();
  		assertTrue(bd.hasDiffs());
  		assertEquals("{v1:{f1:1,f2:'a'},v2:{f1:2,f2:'b'}}", bd.toString());
  	}
  
  	@Test void a03_firstNull() {
  		var bd = BeanDiff.create(null, A.create(2, "b")).build();
  		assertTrue(bd.hasDiffs());
  		assertEquals("{v1:{},v2:{f1:2,f2:'b'}}", bd.toString());
  	}
  
  	@Test void a04_secondNull() {
  		var bd = BeanDiff.create(A.create(1, "a"), null).build();
  		assertTrue(bd.hasDiffs());
  		assertEquals("{v1:{f1:1,f2:'a'},v2:{}}", bd.toString());
  	}
  
  	@Test void a05_bothNull() {
  		var bd = BeanDiff.create(null, null).build();
  		assertFalse(bd.hasDiffs());
  		assertEquals("{v1:{},v2:{}}", bd.toString());
  	}
  
  	@Test void a06_nullFields() {
  		var bd = BeanDiff.create(A.create(1, null), A.create(2, "b")).build();
  		assertTrue(bd.hasDiffs());
  		assertEquals("{v1:{f1:1},v2:{f1:2,f2:'b'}}", bd.toString());
  	}
  
  	@Test void a07_includes() {
  		var bd = BeanDiff.create(A.create(1, null), A.create(2, "b")).include("f1").build();
  		assertTrue(bd.hasDiffs());
  		assertEquals("{v1:{f1:1},v2:{f1:2}}", bd.toString());
  	}
  
  	@Test void a08_includesSet() {
  		var bd = BeanDiff.create(A.create(1, null), A.create(2, "b")).include(set("f1")).build();
  		assertTrue(bd.hasDiffs());
  		assertEquals("{v1:{f1:1},v2:{f1:2}}", bd.toString());
  	}
  
  	@Test void a09_excludes() {
  		var bd = BeanDiff.create(A.create(1, null), A.create(2, "b")).exclude("f2").build();
  		assertTrue(bd.hasDiffs());
  		assertEquals("{v1:{f1:1},v2:{f1:2}}", bd.toString());
  	}
  
  	@Test void a10_excludesSet() {
  		var bd = BeanDiff.create(A.create(1, null), A.create(2, "b")).exclude(set("f2")).build();
  		assertTrue(bd.hasDiffs());
  		assertEquals("{v1:{f1:1},v2:{f1:2}}", bd.toString());
  	}
  
  	@Test void a11_differentBeanContext() {
 		var bd = BeanDiff.create(A.create(1, null), A.create(2, "b")).beanContext(BeanContext.DEFAULT_SORTED).build();
 		assertTrue(bd.hasDiffs());
 		assertEquals("{v1:{f1:1},v2:{f1:2,f2:'b'}}", bd.toString());
 	}
 }