Cannot validate email values in restapi using restassured

Question

can someone please assist, I'm using restassured to pull and display results from this server https://jsonplaceholder.typicode.com/posts/9/comments, but cannot verify the emails of this user and display accurate data. Here is my code below:

public static void getPostComments() {
        System.out.println("===============Comments By User==================");


        given().when().get(url + "/posts/9/comments").then().log()
                .body();

        Response res = given().when().get(url + "/posts/9/comments");
        List<String> jsonRes = res.jsonPath().getList("email");

                if (jsonRes.equals("[email protected]")) {

        given().queryParam("id", "9")
                .get("http://localhost:3000/posts/9/comments/")
                .then()
                .assertThat()
                .body("email["+String.valueOf(0)+"]", Is.is("[email protected]"))
                .log()
                .body();

    }

 }

The results I get from the above code, just returns all the users without validating. I'm fairly new to restassured, but would appreciate any pointers to validate these emails.

Answer 1

There are many ways to do that.

Example 1:

given()
        .get("https://jsonplaceholder.typicode.com/posts/9/comments")
        .then()
        .assertThat()
        .body("email", hasItem("[email protected]"));

Example 2:

import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.hasItem;

List<String> emails = given()
        .get("https://jsonplaceholder.typicode.com/posts/9/comments")
        .jsonPath()
        .get("email");

assertThat(emails, hasItem("[email protected]"));