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Test automation framework| Selenium webdriver| API Testing| Open source API Testing tools



Hello Everyone! Welcome back to MODTECHSTUFF. 
In this blog, we will talk about API Testing and some important open-source API Testing tools.


API Testing

What is API?

Application Programming Interfaces (API) is a determination that goes about as an interface for software parts. While most functional testing includes testing a UI like a site page or a spot net structure, API testing comprises bypassing a UI and discussing straightforwardly with an application by making calls to its APIs. 

Application Programming interface testing permits you to test headless advancements like JMS HTTP, databases, and Web administrations. Application Programming interface testing is now and then called "headless" testing. Most headless testing comprises bypassing the UI and sending a request straightforwardly to an application's backend or administration

You will hear this basic model referred to as a customer/server relationship. A customer makes a demand by requesting an asset; the solicitation at that point goes out and finds a server that can fill that demand. The server finds the ideal asset and sends a reaction back to the customer.


Why API Testing is important?

Here are some crucial reasons why API testing is necessary and on certain occasions better than simply having all UI-based mechanization just way to deal with testing. UI tests can take up a huge amount of assets and commonly are expensive to keep up. 

UI tests don't thoroughly test your application. For example, a UI test may approve the UI layer yet not really the framework's internals in a focused on way. Since a UI stream doesn't have a balanced mapping to numerous things can be missed particularly when most of the business rationale dwells in the API Application Programming interface testing is increasingly exact in the capacity to pinpoint main drivers than a UI test since API is nearer to the code 

On the off chance that an API bombs it simpler to recognize what fizzled and what should be fixed since it's so focused on. So its a lot snappier to fix. The Application Programming interface is an automation framework – they are simpler to automate.
I would say API tests are less delicate to change than GUI tests. Application Programming interface test makes great contender reuse with execution. 

I think API testing isn't progressively utilized by associations in their test plans in light of the fact that despite the fact that numerous organizations case to be coordinated there truly still have particular jobs of dev/analyzer characterized. So analyzers think devs ought to do the API test and tester might be uninformed of even how to begin testing an API so they may simply concentrate on what they know – UI automation.

How to Perform API Testing:

With the help of Taurus, an open-source BDD like a tool that permits your groups to make straightforward API tests. 
The strength of Taurus is that it permits you to compose your tests in YAML. 
You can really portray an all-out content in around ten lines of content, which enables groups to depict their tests in a YAML or JSON document. The YAML is a human, meaningful, editable methodology that empowers you to portray a test in a basic document. 

Taurus Features 

• This should to likewise permit more colleagues to add to execution tests. Likewise, since your tests are written in YAML the tests are considerably more intelligible, making them simpler to perform code audits on. 

• Taurus fundamentally fits execution testing into your CI/CD pipeline substantially more productively. 

• Taurus gives a kind of deliberation layer on JMeter, just as some different instruments like Locust, Gatling, the Grinder, and Selenium.

REST APIs:

Did you realize that you can utilize HTTP requests and REST APIs related to Selenium WebDriver to make progressively powerful automated tests? Tragically, such a large number of people will take a tool like Selenium and attempt to cause it to thoroughly take care of them without considering whether there is a superior library that could assist them with structuring increasingly viable tests. One of those libraries is Rest-Assured. On the off chance that you haven't known about it, you can hear its maker Johan Haleby talk about it on the TestTalks scene Getting Started with REST-Assured.

OPEN SOURCE API TESTING TOOL:

These are the best 4 API testing tools I believe can help you, and why you might want to use one over the other.

1. REST-Assured:


In case you're practicing Java, Rest-Assured would be my first decision for API automation. 
Have confidence is a familiar Java library you can use to test HTTP-based REST administrations. It's structured in view of testing, and it incorporates with any current Java-based automation system. 
I'll concede forthrightly this is the fundamental tool I use for API testing. It gives a BDD-like DSL that makes making API testing in Java straightforward. It additionally has a lot of preparation in functionalities, which implies you don't need to code things without any preparation. Reward: in case you're similar to me and utilize the Serenity mechanization system, Rest-guaranteed coordinates consistently with it, which implies you can join your UI and Rest tests across the board structure that produces great reports. The Rest-guaranteed API is made with the goal that you don't really should be an HTTP master. On the off chance that your group is made up fundamentally of Java coders, I recommend Rest-Assured for API testing.

2. POSTMAN

In case you're one of those individuals, you should consider Postman for some no-fuss API testing without stressing over the overhead of a portion of different choices. postman is additionally a decent choice for exploratory-type API testing. But on the other hand, it's amazing enough that you can make progressively coordinated arrangements on the off chance that you wish. 
Postman is a simple to-utilize Rest customer and you can begin with it rapidly utilizing its Chrome module. There's additionally a local rendition for both Mac and Windows. 
It has a rich interface that many Rest customers don't have, making it simple to utilize. It additionally empowers you to effortlessly impart your insight to your associates, since you can bundle up the entirety of your request and anticipated reactions and send it off to another person with the goal that they can investigate it too. 

3. SOAPUI

SoapUI has been around for some time now. If your teams are doing API testing just, and are made for the most part out of QA designs instead of engineers, SoapUI may be the best decision for your group. 
SoapUI is a completely useful test instrument devoted to API testing. As opposed to making an answer without any preparation, API permits you to use an instrument brimming with usefulness pointed carefully at API testing. 
On the off chance that for reasons unknown you have to make a custom work process or usefulness, you can code up your answer in SoapUI utilizing Groovy. 
If your crew members are facing issue in API testing situations and is comprised of more QA/Test Engineers, SoapUI is the tool I would attempt first.


4. JMeter

Despite the fact that JMeter was made for Load testing, numerous people use it for practical API testing too.JMeter incorporates all the usefulness you have to help test an API, in addition to some additional highlights that can be exploited to improve your API testing endeavors. 
For instance, JMeter can naturally work with CSV documents, which permits your groups to rapidly make extraordinary parameter esteems for your API tests. It likewise coordinates with Jenkins, which implies you can incorporate your API tests in your Continuous Integration pipelines. 
On the off chance that you plan on making API practical tests you might likewise want to use in your presentation tests, why not solve two problems at once and use JMeter as your fundamental API testing arrangement?

Wrap-Up

All API testing tools work truly well and are extraordinary alternatives, depending upon your group's needs. 
There are numerous other API test devices accessible, yet these are my main 4. What are yours? Please tell us in Comment Section!

Author:: HAROON

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Comments

  1. very interesting , good job and thanks for sharing such a good blog

    ReplyDelete
  2. Thank you for your post, I look for such article along time, today i find it finally. this post give me lots of advise it is very useful for me.
    software testing course in chennai

    ReplyDelete

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