96 lines
4.0 KiB
Java
96 lines
4.0 KiB
Java
package fast_json;
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import com.alibaba.fastjson.JSON;
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import com.alibaba.fastjson.JSONArray;
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import com.alibaba.fastjson.JSONObject;
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import com.alibaba.fastjson.serializer.BeanContext;
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import com.alibaba.fastjson.serializer.ContextValueFilter;
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import com.alibaba.fastjson.serializer.NameFilter;
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import com.alibaba.fastjson.serializer.SerializeConfig;
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import org.junit.Before;
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import org.junit.Test;
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import java.text.ParseException;
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import java.util.ArrayList;
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import java.util.Calendar;
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import java.util.List;
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import static org.junit.Assert.assertEquals;
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public class FastJsonUnitTest {
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private List<Person> listOfPersons;
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@Before
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public void setUp() {
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listOfPersons = new ArrayList<Person>();
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Calendar calendar = Calendar.getInstance();
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calendar.set(2016, 6, 24);
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listOfPersons.add(new Person(15, "John", "Doe", calendar.getTime()));
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listOfPersons.add(new Person(20, "Janette", "Doe", calendar.getTime()));
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}
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@Test
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public void whenJavaList_thanConvertToJsonCorrect() {
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String personJsonFormat = JSON.toJSONString(listOfPersons);
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assertEquals(personJsonFormat, "[{\"FIRST NAME\":\"Doe\",\"LAST NAME\":\"John\",\"DATE OF BIRTH\":" + "\"24/07/2016\"},{\"FIRST NAME\":\"Doe\",\"LAST NAME\":\"Janette\",\"DATE OF BIRTH\":" + "\"24/07/2016\"}]");
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}
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@Test
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public void whenJson_thanConvertToObjectCorrect() {
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String personJsonFormat = JSON.toJSONString(listOfPersons.get(0));
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Person newPerson = JSON.parseObject(personJsonFormat, Person.class);
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assertEquals(newPerson.getAge(), 0); // serialize is set to false for age attribute
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assertEquals(newPerson.getFirstName(), listOfPersons.get(0)
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.getFirstName());
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assertEquals(newPerson.getLastName(), listOfPersons.get(0)
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.getLastName());
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}
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@Test
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public void whenGenerateJson_thanGenerationCorrect() throws ParseException {
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JSONArray jsonArray = new JSONArray();
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for (int i = 0; i < 2; i++) {
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JSONObject jsonObject = new JSONObject();
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jsonObject.put("FIRST NAME", "John" + i);
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jsonObject.put("LAST NAME", "Doe" + i);
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jsonObject.put("DATE OF BIRTH", "2016/12/12 12:12:12");
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jsonArray.add(jsonObject);
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}
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assertEquals(jsonArray.toString(), "[{\"LAST NAME\":\"Doe0\",\"DATE OF BIRTH\":" + "\"2016/12/12 12:12:12\",\"FIRST NAME\":\"John0\"},{\"LAST NAME\":\"Doe1\"," + "\"DATE OF BIRTH\":\"2016/12/12 12:12:12\",\"FIRST NAME\":\"John1\"}]");
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}
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@Test
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public void givenContextFilter_whenJavaObject_thanJsonCorrect() {
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ContextValueFilter valueFilter = new ContextValueFilter() {
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public Object process(BeanContext context, Object object, String name, Object value) {
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if (name.equals("DATE OF BIRTH")) {
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return "NOT TO DISCLOSE";
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}
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if (value.equals("John") || value.equals("Doe")) {
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return ((String) value).toUpperCase();
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} else {
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return null;
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}
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}
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};
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JSON.toJSONString(listOfPersons, valueFilter);
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}
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@Test
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public void givenSerializeConfig_whenJavaObject_thanJsonCorrect() {
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NameFilter formatName = new NameFilter() {
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public String process(Object object, String name, Object value) {
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return name.toLowerCase()
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.replace(" ", "_");
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}
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};
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SerializeConfig.getGlobalInstance()
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.addFilter(Person.class, formatName);
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String jsonOutput = JSON.toJSONStringWithDateFormat(listOfPersons, "yyyy-MM-dd");
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assertEquals(jsonOutput, "[{\"first_name\":\"Doe\",\"last_name\":\"John\"," + "\"date_of_birth\":\"2016-07-24\"},{\"first_name\":\"Doe\",\"last_name\":" + "\"Janette\",\"date_of_birth\":\"2016-07-24\"}]");
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// resetting custom serializer
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SerializeConfig.getGlobalInstance()
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.put(Person.class, null);
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}
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}
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