QA Fest 2018. Adam Stasiak. React Native is Coming – the story of hybrid mobile application testing

1. REACT Native is coming The story of hybrid mobile application testing

2. Agenda

3. Agenda 1. Introduction 2. Cross-platform frameworks for mobile development 3. UI testing approaches for hybrid apps 4. Detox guide for applying UI tests in React Native projects

7. Long Story Short

8. SOme Time Ago... Customers And Their money

9. meantime in Software Houses

10. But Now Customers And Their money

11. Oh no ! O Nie ! Para Pollo ! Zonk !

12. Meanwhile in Software Houses

13. Cross Platform frameworks

14. How to Automate this as before ???

15. The Native white Box Test

16. The Native white Box Test + Fast + Easy setup + Wide range of open source helpers + Compatible with Cloud Device Farms

17. The Native white Box Test + Fast + Easy setup + Wide range of open source helpers + Compatible with Cloud Device Farms − Different languages in project repository − Duplicated test code

18. The Cross Platform Black Box Test

19. The Cross Platform Black Box Test + Many supported languages + Wide community + Similar to Selenium + Single test code base + Compatible with Cloud Device Farms

20. The Cross Platform Black Box Test + Many supported languages + Wide community + Similar to Selenium + Single test code base + Compatible with Cloud Device Farms − Slow − Difficult debugging − Lack of stability

21. The Cross Platform Gray Box Test

22. The Cross Platform Gray Box Test + Fast + Easy setup + Single test code base + The same language as default project one + Close integration with source code + API designed for a specific platform

23. The Cross Platform Gray Box Test + Fast + Easy setup + Single test code base + The same language as default project one + Close integration with source code + API designed for a specific platform − No way / difficult to integrate with Cloud Device Farm − No outspread community − Often still not developed enough

24. Based on experience with React Native

25. Automation Guide with Detox - cross platform React Native Framework

26. How to add Detox to an existing project - Package.json file

27. How to add Detox to an existing project - Package.json file "detox": {

28. How to add Detox to an existing project - Package.json file "detox": { "test-runner": "mocha", "specs": "e2e", "configurations": {

29. How to add Detox to an existing project - Package.json file "detox": { "test-runner": "mocha", "specs": "e2e", "configurations": { "ios.sim.debug": { "binaryPath": "ios/build/Build/Products/Debug-iphonesimulator/PolideaSample.app", "build": "xcodebuild -project ios/PolideaSample.xcodeproj -scheme PolideaSample -configuration Debug -sdk iphonesimulator -derivedDataPath ios/build", "type": "ios.simulator", "name": "iPhone X" }, "android.emu.debug": { "binaryPath": "android/app/build/outputs/apk/debug/app-debug.apk", "build": "cd android && ./gradlew assembleDebug assembleAndroidTest -DtestBuildType=debug && cd ..", "type": "android.emulator", "name": "Nexus_5X_API_24" } } } }

34. How to make apps testable? <Text style={styles.textStyle}> {!this.state.clicked? defaultButtonText: "Polidea"} </Text> <Text accessible= {true} testID= {"ButtonText"} accessibilityLabel= {"ButtonTextDesc"} style={styles.textStyle}> {!this.state.clicked? defaultButtonText: "Polidea"} </Text>

35. How to make apps testable? <Text accessible= {true} testID= {"ButtonText"} accessibilityLabel= {"ButtonTextDesc"} style={styles.textStyle}> {!this.state.clicked? defaultButtonText: "Polidea"} </Text>

36. How to write Test scripts - API Overview Detox Object Test plan configuration Device Object Key events, Gestures, Device settings Matchers, Actions, Expectations Finding Views, User’s actions, Validation API

37. How to write Test scripts - Init script by example require('babel-polyfill');

38. How to write Test scripts - Init script by example require('babel-polyfill'); const detox = require('detox'); const config = require('../package.json').detox;

39. How to write Test scripts - Init script by example require('babel-polyfill'); const detox = require('detox'); const config = require('../package.json').detox; beforeAll(async () => { await detox.init(config); });

40. How to write Test scripts - Init script by example require('babel-polyfill'); const detox = require('detox'); const config = require('../package.json').detox; beforeAll(async () => { await detox.init(config); }); beforeEach(async () => { await adapter.beforeEach(); });

41. How to write Test scripts - Init script by example require('babel-polyfill'); const detox = require('detox'); const config = require('../package.json').detox; beforeAll(async () => { await detox.init(config); }); beforeEach(async () => { await adapter.beforeEach(); }); afterAll(async () => { await adapter.afterAll(); await detox.cleanup(); });

42. How to write Test scripts - Test class by example

43. How to write Test scripts - Test class by example describe('Example', () => {

44. How to write Test scripts - Test class by example describe('Example', () => { beforeEach(async () => {

45. How to write Test scripts - Test class by example describe('Example', () => { beforeEach(async () => { await

46. How to write Test scripts - Test class by example describe('Example', () => { beforeEach(async () => { await device

47. How to write Test scripts - Test class by example describe('Example', () => { beforeEach(async () => { await device.reloadReactNative();

48. How to write Test scripts - Test class by example describe('Example', () => { beforeEach(async () => { await device.reloadReactNative(); await waitFor

49. How to write Test scripts - Test class by example describe('Example', () => { beforeEach(async () => { await device.reloadReactNative(); await waitFor(element

50. How to write Test scripts - Test class by example describe('Example', () => { beforeEach(async () => { await device.reloadReactNative(); await waitFor(element(by.id('ButtonText')))

51. How to write Test scripts - Test class by example describe('Example', () => { beforeEach(async () => { await device.reloadReactNative(); await waitFor(element(by.id('ButtonText'))).toBeVisible()

52. How to write Test scripts - Test class by example describe('Example', () => { beforeEach(async () => { await device.reloadReactNative(); await waitFor(element(by.id('ButtonText'))).toBeVisible().withTimeout(10000); });

53. How to write Test scripts - Test class by example describe('Example', () => { beforeEach(async () => { await device.reloadReactNative(); await waitFor(element(by.id('ButtonText'))).toBeVisible().withTimeout(10000); }); it

54. How to write Test scripts - Test class by example describe('Example', () => { beforeEach(async () => { await device.reloadReactNative(); await waitFor(element(by.id('ButtonText'))).toBeVisible().withTimeout(10000); }); it ('should Press me text be morphed in Polidea title after click on button',async () =>{

55. How to write Test scripts - Test class by example describe('Example', () => { beforeEach(async () => { await device.reloadReactNative(); await waitFor(element(by.id('ButtonText'))).toBeVisible().withTimeout(10000); }); it ('should Press me text be morphed in Polidea title after click on button',async () =>{ await element(by.id('ButtonText'))

56. How to write Test scripts - Test class by example describe('Example', () => { beforeEach(async () => { await device.reloadReactNative(); await waitFor(element(by.id('ButtonText'))).toBeVisible().withTimeout(10000); }); it ('should Press me text be morphed in Polidea title after click on button',async () =>{ await element(by.id('ButtonText')).tap();

57. How to write Test scripts - Test class by example describe('Example', () => { beforeEach(async () => { await device.reloadReactNative(); await waitFor(element(by.id('ButtonText'))).toBeVisible().withTimeout(10000); }); it ('should Press me text be morphed in Polidea title after click on button',async () =>{ await element(by.id('ButtonText')).tap(); await waitFor(element(by.text("Press Me")))

58. How to write Test scripts - Test class by example describe('Example', () => { beforeEach(async () => { await device.reloadReactNative(); await waitFor(element(by.id('ButtonText'))).toBeVisible().withTimeout(10000); }); it ('should Press me text be morphed in Polidea title after click on button',async () =>{ await element(by.id('ButtonText')).tap(); await waitFor(element(by.text("Press Me"))).toNotExist()

59. How to write Test scripts - Test class by example describe('Example', () => { beforeEach(async () => { await device.reloadReactNative(); await waitFor(element(by.id('ButtonText'))).toBeVisible().withTimeout(10000); }); it ('should Press me text be morphed in Polidea title after click on button',async () =>{ await element(by.id('ButtonText')).tap(); await waitFor(element(by.text("Press Me"))).toNotExist().withTimeout(2000);

60. How to write Test scripts - Test class by example describe('Example', () => { beforeEach(async () => { await device.reloadReactNative(); await waitFor(element(by.id('ButtonText'))).toBeVisible().withTimeout(10000); }); it ('should Press me text be morphed in Polidea title after click on button',async () =>{ await element(by.id('ButtonText')).tap(); await waitFor(element(by.text("Press Me"))).toNotExist().withTimeout(2000); await waitFor(element(by.text("Polidea"))).toBeVisible().withTimeout(100); }); })

61. How to integrate With CI - Gitlab CI

62. How to integrate With CI - Gitlab CI detox_test:iOS: detox_test:android:

63. How to integrate With CI - Gitlab CI detox_test:iOS: stage: test before_script: detox_test:android: stage: test before_script:

64. How to integrate With CI - Gitlab CI detox_test:iOS: stage: test before_script: detox_test:android: stage: test before_script: - adb connect pixel:5555; sh ./scripts/waitForDevice.sh pixel

65. How to integrate With CI - Gitlab CI detox_test:iOS: stage: test before_script: - brew tap wix/brew - brew install --HEAD applesimutils - npm install -g detox-cli - npm install -g react-native-cli - npm install detox_test:android: stage: test before_script: - adb connect pixel:5555; sh ./scripts/waitForDevice.sh pixel - mkdir -p ./detox_node/ - npm install --prefix ./detox_node/ -g detox-cli - npm install --prefix ./detox_node/ -g react-native-cli - npm install

66. How to integrate With CI - Gitlab CI detox_test:iOS: stage: test before_script: - brew tap wix/brew - brew install --HEAD applesimutils - npm install -g detox-cli - npm install -g react-native-cli - npm install script: detox_test:android: stage: test before_script: - adb connect pixel:5555; sh ./scripts/waitForDevice.sh pixel - mkdir -p ./detox_node/ - npm install --prefix ./detox_node/ -g detox-cli - npm install --prefix ./detox_node/ -g react-native-cli - npm install script:

67. How to integrate With CI - Gitlab CI detox_test:iOS: stage: test before_script: - brew tap wix/brew - brew install --HEAD applesimutils - npm install -g detox-cli - npm install -g react-native-cli - npm install script: - react-native start --port 2137 & detox_test:android: stage: test before_script: - adb connect pixel:5555; sh ./scripts/waitForDevice.sh pixel - mkdir -p ./detox_node/ - npm install --prefix ./detox_node/ -g detox-cli - npm install --prefix ./detox_node/ -g react-native-cli - npm install script: - ./detox_node/bin/react-native start --port 2137 &

68. How to integrate With CI - Gitlab CI detox_test:iOS: stage: test before_script: - brew tap wix/brew - brew install --HEAD applesimutils - npm install -g detox-cli - npm install -g react-native-cli - npm install script: - react-native start --port 2137 & - detox build -c ios.sim.debug detox_test:android: stage: test before_script: - adb connect pixel:5555; sh ./scripts/waitForDevice.sh pixel - mkdir -p ./detox_node/ - npm install --prefix ./detox_node/ -g detox-cli - npm install --prefix ./detox_node/ -g react-native-cli - npm install script: - ./detox_node/bin/react-native start --port 2137 & - ./detox_node/bin/detox build -c android.emu.debug

69. How to integrate With CI - Gitlab CI detox_test:iOS: stage: test before_script: - brew tap wix/brew - brew install --HEAD applesimutils - npm install -g detox-cli - npm install -g react-native-cli - npm install script: - react-native start --port 2137 & - detox build -c ios.sim.debug - detox test -c ios.sim.debug detox_test:android: stage: test before_script: - adb connect pixel:5555; sh ./scripts/waitForDevice.sh pixel - mkdir -p ./detox_node/ - npm install --prefix ./detox_node/ -g detox-cli - npm install --prefix ./detox_node/ -g react-native-cli - npm install script: - ./detox_node/bin/react-native start --port 2137 & - ./detox_node/bin/detox build -c android.emu.debug - ./detox_node/bin/detox test -c android.emu.debug

70. How to integrate With CI - Gitlab CI detox_test:iOS: stage: test before_script: - brew tap wix/brew - brew install --HEAD applesimutils - npm install -g detox-cli - npm install -g react-native-cli - npm install script: - react-native start --port 2137 & - detox build -c ios.sim.debug - detox test -c ios.sim.debug - kill -9 $(lsof -n -i4TCP:2137) detox_test:android: stage: test before_script: - adb connect pixel:5555; sh ./scripts/waitForDevice.sh pixel - mkdir -p ./detox_node/ - npm install --prefix ./detox_node/ -g detox-cli - npm install --prefix ./detox_node/ -g react-native-cli - npm install script: - ./detox_node/bin/react-native start --port 2137 & - ./detox_node/bin/detox build -c android.emu.debug - ./detox_node/bin/detox test -c android.emu.debug - kill -9 $(lsof -n -i4TCP:2137)

71. How to integrate With CI - Gitlab CI detox_test:iOS: stage: test before_script: - brew tap wix/brew - brew install --HEAD applesimutils - npm install -g detox-cli - npm install -g react-native-cli - npm install script: - react-native start --port 2137 & - detox build -c ios.sim.debug - detox test -c ios.sim.debug - kill -9 $(lsof -n -i4TCP:2137) tags: detox_test:android: stage: test before_script: - adb connect pixel:5555; sh ./scripts/waitForDevice.sh pixel - mkdir -p ./detox_node/ - npm install --prefix ./detox_node/ -g detox-cli - npm install --prefix ./detox_node/ -g react-native-cli - npm install script: - ./detox_node/bin/react-native start --port 2137 & - ./detox_node/bin/detox build -c android.emu.debug - ./detox_node/bin/detox test -c android.emu.debug - kill -9 $(lsof -n -i4TCP:2137) tags:

72. How to integrate With CI - Gitlab CI detox_test:iOS: stage: test before_script: - brew tap wix/brew - brew install --HEAD applesimutils - npm install -g detox-cli - npm install -g react-native-cli - npm install script: - react-native start --port 2137 & - detox build -c ios.sim.debug - detox test -c ios.sim.debug - kill -9 $(lsof -n -i4TCP:2137) tags: - xcode-9.2 detox_test:android: stage: test before_script: - adb connect pixel:5555; sh ./scripts/waitForDevice.sh pixel - mkdir -p ./detox_node/ - npm install --prefix ./detox_node/ -g detox-cli - npm install --prefix ./detox_node/ -g react-native-cli - npm install script: - ./detox_node/bin/react-native start --port 2137 & - ./detox_node/bin/detox build -c android.emu.debug - ./detox_node/bin/detox test -c android.emu.debug - kill -9 $(lsof -n -i4TCP:2137) tags: - android-emu

73. How to integrate With CI - Gitlab CI detox_test:iOS: stage: test before_script: - brew tap wix/brew - brew install --HEAD applesimutils - npm install -g detox-cli - npm install -g react-native-cli - npm install script: - react-native start --port 2137 & - detox build -c ios.sim.debug - detox test -c ios.sim.debug - kill -9 $(lsof -n -i4TCP:2137) tags: - xcode-9.2 detox_test:android: stage: test before_script: - adb connect pixel:5555; sh ./scripts/waitForDevice.sh pixel - mkdir -p ./detox_node/ - npm install --prefix ./detox_node/ -g detox-cli - npm install --prefix ./detox_node/ -g react-native-cli - npm install script: - ./detox_node/bin/react-native start --port 2137 & - ./detox_node/bin/detox build -c android.emu.debug - ./detox_node/bin/detox test -c android.emu.debug - kill -9 $(lsof -n -i4TCP:2137) tags: - android-emu services: - name: android-emulator:latest

74. How to integrate With CI - Gitlab CI detox_test:iOS: stage: test before_script: - brew tap wix/brew - brew install --HEAD applesimutils - npm install -g detox-cli - npm install -g react-native-cli - npm install script: - react-native start --port 2137 & - detox build -c ios.sim.debug - detox test -c ios.sim.debug - kill -9 $(lsof -n -i4TCP:2137) tags: - xcode-9.2 detox_test:android: stage: test before_script: - adb connect pixel:5555; sh ./scripts/waitForDevice.sh pixel - mkdir -p ./detox_node/ - npm install --prefix ./detox_node/ -g detox-cli - npm install --prefix ./detox_node/ -g react-native-cli - npm install script: - ./detox_node/bin/react-native start --port 2137 & - ./detox_node/bin/detox build -c android.emu.debug - ./detox_node/bin/detox test -c android.emu.debug - kill -9 $(lsof -n -i4TCP:2137) tags: - android-emu services: - name: android-emulator:latest alias: pixel

75. How to integrate With CI - Gitlab CI detox_test:iOS: stage: test before_script: - brew tap wix/brew - brew install --HEAD applesimutils - npm install -g detox-cli - npm install -g react-native-cli - npm install script: - react-native start --port 2137 & - detox build -c ios.sim.debug - detox test -c ios.sim.debug - kill -9 $(lsof -n -i4TCP:2137) tags: - xcode-9.2 detox_test:android: stage: test before_script: - adb connect pixel:5555; sh ./scripts/waitForDevice.sh pixel - mkdir -p ./detox_node/ - npm install --prefix ./detox_node/ -g detox-cli - npm install --prefix ./detox_node/ -g react-native-cli - npm install script: - ./detox_node/bin/react-native start --port 2137 & - ./detox_node/bin/detox build -c android.emu.debug - ./detox_node/bin/detox test -c android.emu.debug - kill -9 $(lsof -n -i4TCP:2137) tags: - android-emu services: - name: android-emulator:latest alias: pixel entrypoint: ["/start-emulator.sh", "android-23", "x86", "pixel"]

76. Show time!

77. Key TAkeaways ● Cross platform apps can be tested with the same frameworks as native ones ● For typical apps you can avoid code duplication and use cross- platform frameworks ● Detox is a great tool for React Native UI testing

78. Questions ? :)

79. Thank You! You can read about Testing and more at polidea.com/blog @astasIcons by: Freepik and Roundicons

QA Fest 2018. Adam Stasiak. React Native is Coming – the story of hybrid mobile application testing

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