clean-testing.md

Clean Testing 🧼

• Day 4: Identify the behavior under test and rewrite the tests.
  • Focus tests on behaviors (not data)
  • Tests List
  • Avoid duplication (Clean Code applied on tests)
• Day 6: Parameterize your tests.
  • Parameterized tests
• Day 13: Find a way to eliminate the irrelevant, and amplify the essentials of those tests.
  • Test Data Builder
  • DSL for our tests
• Day 15: Put a code under tests.
  • Approval testing
  • Combination testing
  • Work effectively with legacy code
• Day 17: Design one test that has the impact of thousands.
  • Property-Based Testing
  • From Parameterized tests to Property-Based tests
• Day 21: Refactor the tests and production code to Output-Based tests.
  • Styles of Tests
    • State-Based
    • Output-Based
    • Communication-Based
  • Refactor to Output-Based tests
  • Functional Core, Imperative Shell
• Day 23: Refactor the code after putting it under test.
  • Code coverage
  • Mutation Testing