Behavior Driven Development in Android

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Behavior Driven Development in Android Teresa Holfeld + Selim Salman | Ubilabs

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Who is talking? Teresa Holfeld Head of Mobile @ Ubilabs @TeresaHolfeld Selim Salman Android Engineer @ Ubilabs @A_SelimS

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Testing

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Testing Src: http://giphy.com/

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Test Driven Development

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Test Driven Development

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Behavior Driven Development

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Behavior Driven Development

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UI Testing in Android ● Espresso ● Espresso Test Recorder ● UIAutomator ● Monkey (Command Line) ● Monkeyrunner (Python) ● … >Not Plain Natural Language BDD!

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Cucumber Cucumber: ● Software tool for writing automated acceptance tests in BDD ● Gherkin: Given - When - Then ● Ruby

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Cucumber

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Cucumber Keywords: ● Feature ● Scenario ● Given, When, Then, And, But (Steps) ● Background ● Scenario Outline ● Examples

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Cucumber There are a few extra keywords as well: ● """ (Doc Strings) ● | (Data Tables) ● @ (Tags) ● # (Comments) https://cucumber.io/docs/reference

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Calabash Calabash: ● Framework for automated acceptance tests for iOS and Android ● By Xamarin Calabash-android: ● Calabash testing framework for Android ● Uses Cucumber + Gherkin ● Ruby

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Calabash

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Calabash show_tracks.feature

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Calabash

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Calabash

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Calabash show_tracks.feature

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Calabash Calabash console

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Calabash Calabash console

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Calabash Calabash console

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Calabash show_tracks.feature

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Calabash calabash_steps.rb

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Calabash-android demo!

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To Test: I only want Java & plain English!

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Cucumber + Espresso + Gradle // Espresso androidTestCompile('com.android.support.test:runner:0.5') androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2') androidTestCompile('com.android.support.test.espresso:espresso-contrib:2.2.2') // Cucumber androidTestCompile('info.cukes:cucumber-android:1.2.4') androidTestCompile('info.cukes:cucumber-picocontainer:1.2.4') androidTestCompile('info.cukes:cucumber-jvm-deps:1.0.3') // Screenshots androidTestCompile('com.squareup.spoon:spoon-client:1.2.0')

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Cucumber + Espresso + Gradle

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Cucumber + Espresso + Gradle

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Cucumber + Espresso + Gradle

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Cucumber + Espresso + Gradle ./gradlew connectedCheck :app:connectedCheck Retrieving Cucumber test report to /Users/aselims/AndroidStudioProjects/CucumberJava/app/build BUILD SUCCESSFUL

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Cucumber + Espresso + Gradle

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Cucumber + Espresso + Gradle

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Other frameworks APPIUM, ROBOTIUM, Calabash ... JDave, Concordion, Easyb, JBehave, Cucumber ...

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All good or what? + Serves as a technical documentation + Non-tech staff can understand + Enforces well-defined acceptance criteria + Easy to run, easy to learn - Comes with overhead: have to develop steps in Ruby - Not very mature: you have to implement certain things yourself (e.g. scrolling in RecyclerView) - You cannot go outside the app (e.g. Intents for image selection, email…)

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Useful Links https://github.com/calabash/calabash-android https://www.agilealliance.org/glossary/bdd/ https://cucumber.io/docs/reference https://github.com/sebaslogen/CleanGUITestArchitecture

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Danke! You may ask your questions now ;)