How to add a unit test for Android

1. modify the configuration file androidmanifest. xml

<? XML version = "1.0" encoding = "UTF-8"?>
<Manifest xmlns: Android = "http://schemas.android.com/apk/res/android"
Package = "cn. ycmoon. Test. Activity" Android: versioncode = "1"
Android: versionname = "1.0" type = "codeph" text = "/codeph">
<Uses-SDK Android: minsdkversion = "8"/>

<Application Android: icon = "@ drawable/icon" Android: Label = "@ string/app_name">
<Uses-library Android: Name = "android. Test. Runner"/>
<Activity Android: Name = ". mainactivity" Android: Label = "@ string/app_name">
<Intent-filter>
<Action Android: Name = "android. Intent. Action. Main"/>
<Category Android: Name = "android. Intent. Category. launcher"/>
</Intent-filter>
</Activity>

</Application>
<Instrumentation Android: Name = "android. Test. instrumentationtestrunner"
Android: targetpackage = "cn. ycmoon. Test. Activity" Android: Label = "testing"/>
</Manifest>

Note: 1. Add it before the activity in the application Node<Uses-library Android: Name = "android. Test. Runner"/>

2. Add an application Node<Instrumentation Android: Name = "android. Test. instrumentationtestrunner" Android: targetpackage = "cn. ycmoon. Test. Activity" Android: Label = "testing"/>

2. Compile the method in the corresponding package,

 

 

3. Add a test folder [customizable] To the src directory at the same level, and create the same package name as the project: CN. ycmoon. Test. activity.

4. Right-click the unit test method and choose new> JUnit test case. The following page is displayed:

Select superclass as follows:

 

Click Next and select the method to be tested:

 

Click Finish.

Add the new unit test class to the test/project package name.

 

Add an implementation in the Unit Test method:

Expand the unit test class under test/CN. ycmoon. Test. Activity, right-click the method to be tested, and choose run as> Android JUnit test. The unit test result page is displayed.

If there is no error in this method, the result will display a green status bar: