API Testing Using KARATE

About Karate:

Karate is an open source library used to test the web services based on the plain English in the text file such as feature file. You could automate the web service testing based on the below highlighted points associated with Karate;

Support both SOAP and REST
Schema validation
Assert the response
Response data chaining to next request
Data elements comparison (Support both JSON and XML)
Data driven approach using .js file
Test Report generation

Please refer the long list of supported feature sets using the below URL;

https://github.com/intuit/karate

http://tinyurl.com/karatera (REST Assured vs Karate)

Karate Setup:

Create a maven specific project in your Eclipse
Please use the below dependencies to download the Karate library in your Eclipse IDE;

<groupId>com.intuit.karate</groupId>

<artifactId>karate-apache</artifactId>

</dependency>

<groupId>com.intuit.karate</groupId>

<artifactId>karate-junit4</artifactId>

</dependency>

How to use Karate:

Create a Runner file (Java class file) based on the below details;

package karate.test;

import com.intuit.karate.junit4.Karate;

import cucumber.api.CucumberOptions;

import org.junit.runner.RunWith;

@RunWith(Karate.class)

@CucumberOptions(features = “Features/MockTest.feature”)

public class Runner {

}

Create a feature file (Example: Test.feature) based on the below details;

Feature: REST API testing using Karate with Mockoon

Background:

* url endpoint

Scenario: Test REST request and assert the response

Given path queryName

When method GET

Then status 200

And print response

And match response contains {name:’Gopi’}

And def accountNumber = response.multipleaccounttype[0].savings

And print accountNumber

Calling the data such as URL and path name from karate-config.js file as mentioned below; This file should be added in the project src location;

function () {

var port = 3000;

var baseUrl = ‘https://www.hubino.com/resources‘

var config = {

endpoint : baseUrl + ‘:’ + port + ‘/accountList’,

queryName: ‘/name’,

};

karate.configure(‘connectTimeout’, 30000);

karate.configure(‘readTimeout’, 60000);

return config;

}

About REST Testing using Karate based on the above code snippet:

Calling the URL from karate-config.js file using the syntax of ‘* url endpoint’
Pass the path name in the ‘Given’ condition
Trigger the GET method using ‘When method GET’
Assert the status as ‘200’ in the ‘Then’ condition
Print the response received from the web server
Assert the response contains the name is Gopi in the ‘And’ condition
Assign a variable using def and getting the account number using ‘And’ condition
Print the fetched account number in the response

About karate-config.js file:

Declare the URL details in a variable to reuse in another feature files
Declare the path name in queryName variable to reuse in feature file
Return the values

After running the runner file(Runner.java), Karate will start executing the feature file based on the step by step detailed information and publish the test results in HTML format as mentioned below;