How to Setup Espresso for functional Testing?

You are reading this post because you want to go with Espresso Framework for your functional testing.The framework is very flexible and allows you to test different functionality with ease and accuracy.Let us get to the point and start configuring your project with espresso.

To configure Espresso within your Android Project is very simple and quick. By the end of this post you will be able to start writing your tests. In case you face any issues post it here.

Introduction to Espresso Video Tutorial -

Espresso Setup Step by Step Video Tutorial -

1.Espresso works in the same project where your app is build, so first step is to open your project.

2. Open file build.gradle inside- project -> App -> build.gradle and add below line of code at the end.

 

dependencies {
    androidTestCompile 'com.android.support.test.espresso:espresso-core:2.2.2', {
        exclude group: 'com.android.support', module: 'support-annotations'
    }
    androidTestCompile 'com.android.support.test:runner:0.5',{
        exclude group: 'com.android.support', module: 'support-annotations'
    }
}
android {
    defaultConfig {
        testInstrumentationRunner 'android.support.test.runner.AndroidJUnitRunner'
    }
}

3. Then click on sync gradle, once the build is successful you are all set to write Espresso test cases. 

Note - 
add below code the defaultConfig before running the test case -

testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"

Note - Learn More About Android Studio HERE 

I hope this post helps you find your code coverage for your test suit :)
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