zutil/test/zutil/test/JSONSerializerTest.java

306 lines
10 KiB
Java

/*
* The MIT License (MIT)
*
* Copyright (c) 2015 Ziver Koc
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package zutil.test;
import org.junit.Assert;
import org.junit.Test;
import zutil.io.StringOutputStream;
import zutil.parser.json.JSONObjectInputStream;
import zutil.parser.json.JSONObjectOutputStream;
import java.io.IOException;
import java.io.Serializable;
import java.io.StringReader;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import static org.junit.Assert.assertEquals;
public class JSONSerializerTest{
@Test
public void testOutputSerializerWithPrimitives() throws InterruptedException, IOException, ClassNotFoundException{
TestClass sourceObj = new TestClass().init();
String data = writeObjectToJson(sourceObj);
data = data.replace("\"", "'");
assertEquals(
"{'str': 'abcd', '@class': 'zutil.test.JSONSerializerTest$TestClass', 'obj1': {'@class': 'zutil.test.JSONSerializerTest$TestObj', 'value': 42, '@object_id': 2}, 'obj2': {'@class': 'zutil.test.JSONSerializerTest$TestObj', 'value': 42, '@object_id': 3}, 'decimal': 1.1, '@object_id': 1}",
data);
}
@Test
public void testInputSerializerWithPrimitives() throws InterruptedException, IOException, ClassNotFoundException{
TestClass sourceObj = new TestClass().init();
TestClass targetObj = sendReceiveObject(sourceObj);
TestClass.assertEquals(sourceObj, targetObj);
}
@Test
public void testOutputSerializerWithClones() throws InterruptedException, IOException, ClassNotFoundException{
TestClassObjClone sourceObj = new TestClassObjClone().init();
String data = writeObjectToJson(sourceObj);
data = data.replace("\"", "'");
assertEquals(
"{'@class': 'zutil.test.JSONSerializerTest$TestClassObjClone', 'obj1': {'@class': 'zutil.test.JSONSerializerTest$TestObj', 'value': 42, '@object_id': 2}, 'obj2': {'@object_id': 2}, '@object_id': 1}",
data);
}
@Test
public void testInputSerializerWithClones() throws InterruptedException, IOException, ClassNotFoundException{
TestClassObjClone sourceObj = new TestClassObjClone().init();
TestClassObjClone targetObj = sendReceiveObject(sourceObj);
assertEquals( sourceObj, targetObj );
}
@Test
public void testOutputSerializerWithArrays() throws InterruptedException, IOException, ClassNotFoundException{
TestClassArray sourceObj = new TestClassArray().init();
String data = writeObjectToJson(sourceObj);
data = data.replace("\"", "'");
assertEquals(
"{'@class': 'zutil.test.JSONSerializerTest$TestClassArray', 'array': [1, 2, 3, 4], '@object_id': 1}",
data);
}
@Test
public void testInputSerializerWithArrays() throws InterruptedException, IOException, ClassNotFoundException{
TestClassArray sourceObj = new TestClassArray().init();
TestClassArray targetObj = sendReceiveObject(sourceObj);
assertEquals( sourceObj, targetObj );
}
@Test
public void testInputSerializerWithStringArrays() throws InterruptedException, IOException, ClassNotFoundException{
TestClassStringArray sourceObj = new TestClassStringArray().init();
TestClassStringArray targetObj = sendReceiveObject(sourceObj);
assertEquals( sourceObj, targetObj );
}
@Test
public void testSerializerWithNullFields() throws InterruptedException, IOException, ClassNotFoundException{
TestClass sourceObj = new TestClass();
String data = writeObjectToJson(sourceObj, false);
data = data.replace("\"", "'");
assertEquals(
"{'decimal': 0.0}",
data);
TestClass targetObj = sendReceiveObject(sourceObj);
TestClass.assertEquals(sourceObj, targetObj);
}
@Test
public void testSerializerWithMapField() throws InterruptedException, IOException, ClassNotFoundException{
TestClassMap sourceObj = new TestClassMap().init();
String data = writeObjectToJson(sourceObj, false);
data = data.replace("\"", "'");
assertEquals(
"{'map': {'key2': 'value2', 'key1': 'value1'}}",
data);
TestClassMap targetObj = sendReceiveObject(sourceObj);
TestClassMap.assertEquals(sourceObj, targetObj);
}
@Test
public void testSerializerWithListField() throws InterruptedException, IOException, ClassNotFoundException{
TestClassList sourceObj = new TestClassList().init();
String data = writeObjectToJson(sourceObj, false);
data = data.replace("\"", "'");
assertEquals(
"{'list': ['value1', 'value2']}",
data);
TestClassList targetObj = sendReceiveObject(sourceObj);
TestClassList.assertEquals(sourceObj, targetObj);
}
/******************* Utility Functions ************************************/
public static <T> T sendReceiveObject(T sourceObj) throws IOException{
return readObjectFromJson(
writeObjectToJson(sourceObj));
}
@SuppressWarnings("unchecked")
public static <T> T readObjectFromJson(String json) throws IOException{
StringReader bin = new StringReader(json);
JSONObjectInputStream in = new JSONObjectInputStream(bin);
T targetObj = (T) in.readObject();
in.close();
return targetObj;
}
public static <T> String writeObjectToJson(T sourceObj) throws IOException{
return writeObjectToJson(sourceObj, true);
}
public static <T> String writeObjectToJson(T sourceObj, boolean metadata) throws IOException{
StringOutputStream bout = new StringOutputStream();
JSONObjectOutputStream out = new JSONObjectOutputStream(bout);
out.enableMetaData(metadata);
out.writeObject(sourceObj);
out.flush();
out.close();
String data = bout.toString();
System.out.println(data);
return data;
}
/******************** Test Classes ************************************/
public static class TestClass implements Serializable{
private static final long serialVersionUID = 1L;
String str;
double decimal;
TestObj obj1;
TestObj obj2;
public TestClass init(){
this.str = "abcd";
this.decimal = 1.1;
this.obj1 = new TestObj().init();
this.obj2 = new TestObj().init();
return this;
}
public static void assertEquals(TestClass obj1, TestClass obj2){
Assert.assertEquals(obj1.str, obj2.str);
Assert.assertEquals(obj1.decimal, obj2.decimal, 0.001);
Assert.assertEquals(obj1.obj1, obj2.obj1);
Assert.assertEquals(obj1.obj2, obj2.obj2);
}
}
public static class TestClassObjClone{
TestObj obj1;
TestObj obj2;
public TestClassObjClone init(){
this.obj1 = this.obj2 = new TestObj().init();
return this;
}
public boolean equals(Object obj){
return obj instanceof TestClassObjClone &&
this.obj1.equals(((TestClassObjClone)obj).obj1) &&
this.obj1 == this.obj2 &&
((TestClassObjClone)obj).obj1 == ((TestClassObjClone)obj).obj2;
}
}
public static class TestObj implements Serializable{
private static final long serialVersionUID = 1L;
int value;
public TestObj init(){
this.value = 42;
return this;
}
public boolean equals(Object obj){
return obj instanceof TestObj &&
this.value == ((TestObj)obj).value;
}
}
public static class TestClassArray{
private int[] array;
public TestClassArray init(){
array = new int[]{1,2,3,4};
return this;
}
public boolean equals(Object obj){
return obj instanceof TestClassArray &&
Arrays.equals(this.array ,((TestClassArray)obj).array);
}
}
public static class TestClassStringArray{
private String[] array;
public TestClassStringArray init(){
array = new String[]{"test","string","array"};
return this;
}
public boolean equals(Object obj){
return obj instanceof TestClassStringArray &&
Arrays.equals(this.array ,((TestClassStringArray)obj).array);
}
}
public static class TestClassMap{
private HashMap<String,String> map;
public TestClassMap init(){
map = new HashMap<>();
map.put("key1", "value1");
map.put("key2", "value2");
return this;
}
public static void assertEquals(TestClassMap obj1, TestClassMap obj2){
Assert.assertEquals(obj1.map, obj2.map);
}
}
public static class TestClassList{
private ArrayList<String> list;
public TestClassList init(){
list = new ArrayList<>();
list.add("value1");
list.add("value2");
return this;
}
public static void assertEquals(TestClassList obj1, TestClassList obj2){
Assert.assertEquals(obj1.list, obj2.list);
}
}
}