Android junit Unit Test

Classification of software Testing
* Black box test
* Test Logic Business
* White Box test
* Test Logic method

According to the test grain size
* Method Test: Function test
* Unit tested: Unit test
* Integration testing: Integration test
* System tests: Systems Test

According to the level of testing violence
* Smoke test: Smoke test
* Stress test: Pressure test

Create a new Android project, create a new Test.java file, and note that defining a class inheritance must be inherited androidtestcase

 Package com.wuyudong.juint.test; Import com.wuyudong.juint.util.Utils; Import android.test.AndroidTestCase;  Public class extends androidtestcase {        publicvoid  Test () {        int res = Utils.add (3, 5);        Assertequals (8, res);}    }

New Toolkit File Utils.java

 Package Com.wuyudong.juint.util;  Public class Utils {    publicstaticint Add (intint  b) {         return A- b;    }}

Run the project, error:

[2016-05-30 06:21:13-Unit Test] Unit test does not specify a android.test.InstrumentationTestRunner instrumentation or does not de Clare Uses-library Android.test.runner in its androidmanifest.xml

Add the following code to the Androidmanifest.xml:

<?XML version= "1.0" encoding= "Utf-8"?><Manifestxmlns:android= "Http://schemas.android.com/apk/res/android" Package= "Com.wuyudong.juint"Android:versioncode= "1"Android:versionname= "1.0" >    <USES-SDKandroid:minsdkversion= "8"android:targetsdkversion= "+" />       <instrumentation  android:name= "Android.test.InstrumentationTestRunner" 
      android:targetpackage= "Com.wuyudong.juint"></instrumentation
      >               <ApplicationAndroid:allowbackup= "true"Android:icon= "@drawable/ic_launcher"Android:label= "@string/app_name"Android:theme= "@style/apptheme" >     <uses-library  android:name= "Android.test.runner"/>             <ActivityAndroid:name= "Com.wuyudong.juint.MainActivity"Android:label= "@string/app_name" >            <Intent-filter>                <ActionAndroid:name= "Android.intent.action.MAIN" />                <categoryAndroid:name= "Android.intent.category.LAUNCHER" />            </Intent-filter>        </Activity>    </Application></Manifest>

The following assertion exception occurs when you continue to run the unit tests test

Double-click Jump to

 Public class extends androidtestcase {        publicvoid  Test () {        int res = Utils.add (3, 5 );        assertequals (8, res);}    }

Android junit Unit Test