android unit tesing at i/o rewind 2015

SPRINT3R Siam Chamnankit Co., Ltd., Odd-e (Thailand) Co., Ltd. and Alliance

Android Testing


สมเกยรต ปยสงเนน

somkiat.cc

สยามานาญกจ

@somkiat


Fragmentation


# of device


Fast release !!

http://www.inc.com/guides/201104/how-to-keep-up-with-a-fast-growing-company.html

http://www.inc.com/guides/201104/how-to-keep-up-with-a-fast-growing-company.html


Better code !!


Easy code !!


High quality !!


Mobile Developer ?


Testing ?


http://www.quickmeme.com/

http://www.quickmeme.com/


Mobile Testing


“Never test the depth of the waterwith both feet“

- unknown -


UI Automator


Mobile Testing


Android Testing

Unit test

Espresso

Android unit test

Monkey runner

UI Automator


Demo Time


Grade Calculator


Unit Test

Unit test

Espresso

Android unit test

Monkey runner

UI Automator


“Android Studio 1.2+สนบสนบ Unit test แลวนะ“


สราง Unit test อยางไร ?


src/test/java


เพม JUnit Library ใน build.gradle


มาเขยน Unit test กนเถอะ !!


เขาใจ requirement กอน

• คะแนนมากกวาเทากบ 80 ไดเกรด A• คะแนนมากกวาเทากบ 70 ไดเกรด B• คะแนนมากกวาเทากบ 60 ไดเกรด C• คะแนนมากกวาเทากบ 50 ไดเกรด D• คะแนนตากวา 50 ไดเกรด F


เรมตนดวย Example

Input Expected Result

80 A

70 B

60 C

50 D

40 F


เรมเขยน Unit test กน


Report


Espresso

Unit test

Espresso

Android unit test

Monkey runner

UI Automator


https://code.google.com/p/android-test-kit

https://code.google.com/p/android-test-kit


Espresso ?

• A funny little Android UI test APIs

• Created by Google

• Easy APIs


Why Espresso ?

“Developer Developer Developer”


Why Espresso ?

• Developer need …• easy• reliable• durable


Why Espresso ?

• On all API Levels


Easy :: API for testing

What would a device user do ?

• Find a view• Do something with it• Check some state


Find view & Do

onView(withId(R.id.calculate_button)) .perform(click());


Check something

onView(withText(“Your grade is A")) .check(matches(isDisplayed()));


แลวนามาใงานอยางไร ?


Install Android suport repositoryTools -> Android -> SDK Manager


Config app/build.gradle


Create first test !!

Default in src/androidTest/java/<your package>• GradeConvertorEspressoTest.java


Change build variant


Step 1 :: unit runner


Step 2 :: add rule


Step 3 :: create test case


How to run test ?Run -> Edit configuration -> Add android tests

Runner = android.support.test.runner.AndroidJUnitRunner


How to run test ?On command line or terminal

$./gradlew connectedAndroidTest


Paramterization


Step 1 :: Parameterised runner


Step 2 :: add rule


Step 3 :: setup data


Step 4 :: create constrictor


Step 5 :: create test case


Report


Android Testing

Unit test

Espresso

Android unit test

Monkey runner

UI Automator


Monkey Testing ?


Monkey Testing ?

• Monkey button push testing

• Smart monkey testing

• Brilliant monkey testing

• Dumb monkey testing


Monkey for Android

• Command line tool

• Random events

http://developer.android.com/tools/help/monkey.html

http://developer.android.com/tools/help/monkey.html


How to use ?

$adb shell monkey -p <your package> -v <# of events>


For my app

adb shell monkey -p workshop.gdg2015 -v 2000


“อยากเหน developer ไทยเขยน test ได“

- พตนไมไดกลาว -


Useful resource

https://github.com/googlesamples/android-testing

https://github.com/googlesamples/android-testing


Android Testing

android unit tesing at i/o rewind 2015

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