Validate Response Status

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How To Validate Response Status Using REST Assured ?

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REST APIs have Status which is consist of three parts represented as a string known as Status Line.In this string the first part represents HTTP protocol version,second one represents Status Code and the third one reperesents the string value of status code.

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To fetch this status line Rest Assured provides an interface 'Response' that have many methods,of which we will use methods getStatusLine() and getStatusCode() for accessing its status :

io.restassured.response.Response response= httpRequest.get("/Books");

response.getStatusLine()

response.getStatusCode()

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Furthermore,we will apply assertions on them to validate/verify the results :

import org.testng.Assert;

Assert.assertEquals(response.getStatusLine(), "HTTP/1.1 200 OK", "Incorrect Status Line Returned");

Assert.assertEquals(response.getStatusCode(), 200, "Incorrect Status Code Returned");

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Let's take an example -

Validating Response Status Code and Status Line :

package apiTesting;

import org.testng.Assert;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.Test;

import io.restassured.RestAssured;
import io.restassured.specification.RequestSpecification;

public class ValidateResponseStatus {
   RequestSpecification httpRequest;
   io.restassured.response.Response response;

    @Test
   public void validateResponseStatusCode() {

        // Validate Status Code
       Assert.assertEquals(response.getStatusCode(), 200, "Incorrect Status Code Returned");
   }

    @Test
   public void validateResponseStatusLine() {

        // Validate Status Line
       Assert.assertEquals(response.getStatusLine(), "HTTP/1.1 200 ", "Incorrect Status Line Returned");
   }

    @BeforeClass
   public void apiSetUP() {
       RestAssured.baseURI = "http://localhost:8080/msg/webapi";
       httpRequest = RestAssured.given();
       response = httpRequest.get("/userProfiles");
   }

}
 

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Output :

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[RemoteTestNG] detected TestNG version 6.14.3
[TestNGContentHandler] [WARN] It is strongly recommended to add "<!DOCTYPE suite SYSTEM "http://testng.org/testng-1.0.dtd" >" at the top of your file, otherwise TestNG may fail or not work as expected.
PASSED: validateResponseStatusCode
PASSED: validateResponseStatusLine

===============================================
    Default test
    Tests run: 2, Failures: 0, Skips: 0
===============================================

===============================================
Default suite
Total tests run: 2, Failures: 0, Skips: 0
==============================================

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Change "HTTP/1.1 200 " or "200" with some other values and try to run the test,you will see error messges as assertions would be getting failed.

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Refer next page Validate Response Header​