Files
spring-boot-rest/json-path/src/test/java/com/baeldung/jsonpath/introduction/ServiceTest.java
2017-08-24 15:30:33 +03:00

101 lines
3.7 KiB
Java

package com.baeldung.jsonpath.introduction;
import com.jayway.jsonpath.Configuration;
import com.jayway.jsonpath.DocumentContext;
import com.jayway.jsonpath.JsonPath;
import com.jayway.jsonpath.Option;
import org.junit.Test;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.util.Scanner;
import static org.hamcrest.CoreMatchers.containsString;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertThat;
public class ServiceTest {
private InputStream jsonInputStream = this.getClass()
.getClassLoader()
.getResourceAsStream("intro_service.json");
private String jsonString = new Scanner(jsonInputStream, "UTF-8").useDelimiter("\\Z")
.next();
@Test
public void givenId_whenRequestingRecordData_thenSucceed() {
Object dataObject = JsonPath.parse(jsonString)
.read("$[?(@.id == 2)]");
String dataString = dataObject.toString();
assertThat(dataString, containsString("2"));
assertThat(dataString, containsString("Quantum of Solace"));
assertThat(dataString, containsString("Twenty-second James Bond movie"));
}
@Test
public void givenStarring_whenRequestingMovieTitle_thenSucceed() {
List<Map<String, Object>> dataList = JsonPath.parse(jsonString)
.read("$[?('Eva Green' in @['starring'])]");
String title = (String) dataList.get(0)
.get("title");
assertEquals("Casino Royale", title);
}
@Test
public void givenCompleteStructure_whenCalculatingTotalRevenue_thenSucceed() {
DocumentContext context = JsonPath.parse(jsonString);
int length = context.read("$.length()");
long revenue = 0;
for (int i = 0; i < length; i++) {
revenue += context.read("$[" + i + "]['box office']", Long.class);
}
assertEquals(594275385L + 591692078L + 1110526981L + 879376275L, revenue);
}
@Test
public void givenStructure_whenRequestingHighestRevenueMovieTitle_thenSucceed() {
DocumentContext context = JsonPath.parse(jsonString);
List<Object> revenueList = context.read("$[*]['box office']");
Integer[] revenueArray = revenueList.toArray(new Integer[0]);
Arrays.sort(revenueArray);
int highestRevenue = revenueArray[revenueArray.length - 1];
Configuration pathConfiguration = Configuration.builder()
.options(Option.AS_PATH_LIST)
.build();
List<String> pathList = JsonPath.using(pathConfiguration)
.parse(jsonString)
.read("$[?(@['box office'] == " + highestRevenue + ")]");
Map<String, String> dataRecord = context.read(pathList.get(0));
String title = dataRecord.get("title");
assertEquals("Skyfall", title);
}
@Test
public void givenDirector_whenRequestingLatestMovieTitle_thenSucceed() {
DocumentContext context = JsonPath.parse(jsonString);
List<Map<String, Object>> dataList = context.read("$[?(@.director == 'Sam Mendes')]");
List<Object> dateList = new ArrayList<>();
for (Map<String, Object> item : dataList) {
Object date = item.get("release date");
dateList.add(date);
}
Long[] dateArray = dateList.toArray(new Long[0]);
Arrays.sort(dateArray);
long latestTime = dateArray[dateArray.length - 1];
List<Map<String, Object>> finalDataList = context.read("$[?(@['director'] == 'Sam Mendes' && @['release date'] == " + latestTime + ")]");
String title = (String) finalDataList.get(0)
.get("title");
assertEquals("Spectre", title);
}
}