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How to get a JSON field in a nested JSON using Rest Assured?
We can get a JSON field in a complex nested JSON using Rest Assured. First, we shall obtain a Response body which is in JSON format from a request. Then convert it to string.
We shall send a GET request via Postman on a mock API URL and observe its Response.
Using Rest Assured, let us get the value of the Price field having the value as $150. It is part of the Items. We shall get the value of the Item Count field by traversing the path - Items.Price.
Example
Code Implementation
import static io.restassured.RestAssured.given;
import org.testng.annotations.Test;
import io.restassured.RestAssured;
import io.restassured.path.json.JsonPath;
import io.restassured.response.Response;
public class NewTest {
@Test
public void jsonValue() {
//base URI with Rest Assured class
RestAssured.baseURI = "https://run.mocky.io/v3";
//obtain Response from GET request
Response res = given()
.when()
.get("/8ec8f4f7-8e68-4f4b-ad18-4f0940d40bb7");
//convert JSON to string
JsonPath j = new JsonPath(res.asString());
//get a field value from nested JSON
String p = j.getString("Items.Price");
System.out.println("Price is: " + p);
}
}Output
Updated on: 17-Nov-2021
6K+ Views
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