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Explain how to extract value using JSONPath.
We can use JsonPath in Rest Assured to extract value. This is done with the help of the jsonPath method (which is a part of the JsonPath class). After that, we need to use the get method and pass the key that we want to obtain from the JSON Response.
We shall first send a GET request via Postman on an endpoint and observe the JSON response. Here, the keys are userId, id, title, and body.
Example
Code Implementation
import org.testng.annotations.Test;
import static io.restassured.RestAssured.*;
import io.restassured.RestAssured;
import io.restassured.http.ContentType;
import io.restassured.path.json.JsonPath;
import io.restassured.response.Response;
public class NewTest {
@Test
void getValueJsonPath() {
//base URL
RestAssured.baseURI = "https://jsonplaceholder.typicode.com";
RestAssured.basePath = "/posts";
//obtain a response in JSON
Response r = given().contentType(ContentType.JSON)
.log().all().get("/2");
//JsonPath class
JsonPath p = r.jsonPath();
//get JSON fields
String u = p.getString("userId");
String i = p.getString("id");
String t = p.get("title");
String b = p.get("body");
System.out.println("User Id: " + u);
System.out.println("Id: " + i);
System.out.println("Title: " + t);
System.out.println("Body: " + b);
}
}Output
Updated on: 22-Nov-2021
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