01:30 - Testing (50m)

[asgrim]

• [x] Write some AWFUL TERRIBLE BAD code - write a test that shows it's still possible
• [x] Exercises to refactor the legacy awfulness. Techniques to use:
  • DI
  • Strict types
  • Smaller, meaningful methods
  • Less code branches
• Code coverage exercises:
  • [x] Branch coverage vs Line coverage
  • [x] Leaking coverage outside the SUT
• [x] Infection PHP demo
• Behavioural
  • [x] Example of bad Gherkin vs well written features
  • [x] Implement DOMAIN level test with good features
  • [x] Implement UI test with the same feature