But for the sake of explanation in this article, I am creating a sample app before writing Unit Tests. Unit Tests are generally written before writing the actual application. It provides annotations such as a sample app:

Mockito: Mockito mocks (or fakes) the dependencies required by the class being tested.

It is an automation framework for Unit as well as UI Testing.

Junit: It is a “Unit Testing” framework for Java Applications.

Place these dependencies in your app level adle file: testImplementation 'junit:junit:4.12' testImplementation 'org.mockito:mockito-core:1.10.19'

Let’s get started!! Install the dependencies If you haven’t checked out the previous article on why you should unit test your android app, then you must take a quick look at it before moving ahead with this one. In this tutorial, we’ll take a look at how to begin Unit Testing your Android Applications.

In the last article, I listed out the benefits of Unit Testing your applications. Learn Unit Testing in Android by building a sample application

Unit testing android studio tutorial