How to Create Tests in Android Studio

how to create test class and folder from android studio?

You can create a directory for your testing source code, i.e. src/test/java. You can do this from the command line or using the Project view in the Project tool window. The new directory should be highlighted in green at this point.

Also make sure to choose the correct build variant.

For more details on how to configure all this and run the tests properly, please refer http://tools.android.com/tech-docs/unit-testing-support

Hope this helps.

Create unit tests in android studio

It's easiest to just create the folder manually in the directory. Android Studio will notice it pretty quickly and it will show up in your Android view.

You will need to create the packages in the test/java folder too. So if your package name is com.foo.bar you need to create the following dir structure in your app/src folder:

test/java/com/foo/bar

As an aside in the latest versions of Android Studio you don't need to use AndroidJunitRunner anymore. Studio supports JUnit4 tests out of the box.

To make tests for a particular flavor you need to append the flavor name to the end of the test folder. So if your flavor is dev then the folder structure would be:

testDev/java/com/foo/bar

How can I add test folders in Android Studio

Below are the steps to add your test folders on Android Studio 3.1.2 on Macbook :

Right click on app > New > Folder > Java Folder
On Configure Component window check Change Folder Location checkbox
Change the location to src/test
Your test folder will be created under src folder i.e. same place where previous test folder was

Android Studio add test folder or module to existing project

https://stackoverflow.com/a/28630023/4955008
This helped me a lot, Studio recognized folder as a test and it passed.

cannot create test folder in android studio for robolectric

this is not the way, the good architecture is:

/app
    /src
        /main
             /java
                  /com.your.package
        /test
             /java
                  /com.your.package

and don't forget to write it in the app module build.gradle

android {
  sourceSets {
    main { java.srcDirs = ['src/main/java'] }
    test { java.srcDirs = ['src/test/java'] }
  }
}

Autogenerate unit test stubs on Android studio

Like this: Right-click the class name. Go To -> Test. Select the function, Done.

Sample Image

intelliji or android studio - short cut to create method test case

Here is one way to achieve this (tested in IntelliJ 14.0.3):

Navigate to the method you wish to create a unit test for
Hit ALT+ENTER
Select Generate Missed Test Methods

After that dialog will be shown, containing all methods in a given class with only the one you invoked the Generate Missed Test Methods action on selected by default. After you hit OK in the dialog a new test method for selected methods will be added to the existing unit test class.

Here is also a screenshot of the dialog: