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Saturday 4 April 2020

100% code coverage for apex HTTP Callout in Salesforce without creating a mock class

Hello Trailblazers,

This is the second tutorial in Simplifying the Callouts in Salesforce Tutorial Series. In this tutorial we created a new class named as SFDCStopService which is responsible to perforn a callout to SFDCStop Blogs API :- https://sfdcstop.herokuapp.com/blogs 

You can have a look at the SFDCStopService class below:-

For this class, we created a test class so that we can cover the code and we were able to achieve 100% code coverage without creating a mock class using HTTPCalloutFramework. Let's have a look at the test class below:-

So, the question is How we're able to achieve 100% code coverage without creating a mock class ? The answer to this question is that HTTPCalloutFramework provides you an in-built mock class named as:- HTTPCalloutServiceMock. You can create an instance of that and in the mock class constructor you just need to pass the fake response code and the response body. That's it our in-built mock class will create a fake response for you when you're calling out during test.

As, this is a Video-Only Tutorial Series, In case you want to know in detail, you can have a look at the related video below:-

Do give this framework a try and let me know your feedback in the comments down below. You can find all the related code in the singlecallouttest branch of my HTTPCalloutFramework Tutorial Series github repository here. In the next tutorial, we're going to connect two salesforce orgs very easily and will fetch data from one salesforce org to another using HTTPCalloutFramework.

Happy Trailblazing..!!

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