What's New in Testing

Code coverage

• Performance and accurancy

• Target selection

• xccov

  • Command line tool

  • coverage report (include JSON)

• Source editor

Test selection

• Automatically include new tests

  • check: Test to skip

  • uncheck: Test to run (Explicit opt-in)

• Test to run

  • Explicit opt-in tests

Test ordering

• Randomize execution (by class)

Parallel Distributed Testing (Xcode 10 support)

• Excute tests in parallel on a single destination (by class)

• Unit Test

  • Multiple instances of app running unit tests

• On Simulator

  • Multiple simulator clones running UI tests

Parallel Destination Testing (Xcode 9 support)

• Ability to run all of your tests on multiple destinations simultaneously

• only xcodebuild use (command line)

xcodebuild test
    -destination 'platform=iOS,name=iPhone X'
    -destination 'platform=iOS,name=iPad'