KKTV iOS 工程師 Hokila 分享 影片位置 https://youtu.be/khOrgVT6ivs 相關 Sessions - [App Startup Time: Past, Present, and Future] (https://developer.apple.com/videos/wwdc2017/videos/play/wwdc2017/413/) - [Writing Energy Efficient Apps] (https://developer.apple.com/videos/wwdc2017/videos/play/wwdc2017/238/) - [Engineering for Testability] (https://developer.apple.com/videos/wwdc2017/videos/play/wwdc2017/414/) - [What's New in Testing] (https://developer.apple.com/videos/wwdc2017/videos/play/wwdc2017/409/)

1. 詹岳勳 Hokila
WWDC session summary

2. App Startup Time: Past, Present, and Future
Writing Energy Efficient Apps
What's New in Testing
Engineering for Testability

3. feature Improvement you may never use
Some Energy you may waste in background
UI Test & Unit Test New feature on Xcode 9
Test Code Best Practice

4. What is Dyld the dynamic link editor

7. App Startup time
Things you may do in didFinishLaunchingWithOptions
•load user setting
•set appearance
•init view controller
•load 3rd party module
•it’s better to finish in 600ms

9. Static initializer tracing
find out what is slowly
as same time profile

10. energy efficient app
setting -> battery

12. Reloads on a timer

36. Async test before

40. • XCTWaiter : Takes control over to the waiting
strategy.
• XCTNSPredicateExpectation: Readable expectation
while writing automate tests
• XCTKVOExpectation: Readable expectation while
writing automate tests
• XCTDarwinNotificationExpectation: Another readable
expectation for notifications.

41. •pxctest
https://github.com/plu/pxctest
•FBSimulatorControl
https://github.com/facebook/FBSimulatorControl

42. headless test with xcodebuild without launch of sumulator
$ xcodebuild -scheme "Xcode9-XCTest" -destination
'platform=iOS Simulator,name=iPhone 7 Plus,OS=11.0'
build test CODE_SIGN_IDENTITY=""
CODE_SIGNING_REQUIRED=NO
Run Test in parallel
$ xcodebuild -scheme "Xcode9-XCTest" -destination
'platform=iOS Simulator,name=iPhone 7 Plus,OS=11.0'-
destination 'platform=iOS Simulator,name=iPhone 7
Plus,OS=10.3' build test CODE_SIGN_IDENTITY=""
CODE_SIGNING_REQUIRED=NO

47. Multiple app test
sample code

50. Multiple app test Demo