TestJSONObject.java

import static org.junit.Assert.*;

import org.junit.Before;
import org.junit.Test;

import org.json.JSONException;
import org.json.JSONObject;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.File;

public class TestJSONObject {
 private String jsonSource;

 @Before
 public void setUp() throws Exception {
 String fixtName = "fixtures/post.json";
 File file = new File(fixtName);
 FileReader fr = new FileReader(file);
 BufferedReader br = new BufferedReader(fr);

 jsonSource = "";
 String text = null;
 while ((text = br.readLine()) != null)
 jsonSource += text;
 }

 @Test
 public void testEmptyJsonReturnsAnEmptyJSONObject() throws JSONException {
 JSONObject h = new JSONObject("{}");
 assertEquals(0, h.length());
 }

 @Test
 public void testAssinaturaJSON() throws JSONException {
 String expectedTitle = "My Test Post";
 String expectedBody = "Lorem ipsum dolor sit amet, consectetur adipiscing elit.";

 JSONObject post = new JSONObject(jsonSource);
 assertEquals(4, post.length());

 assertEquals(123456789, post.getDouble("id"), 0);

 assertEquals(expectedTitle, post.get("title"));
 assertEquals(expectedBody, post.get("body"));

 JSONObject author = post.getJSONObject("author");
 assertEquals("John", author.get("name"));
 }
}