Clean and Quality Unit Tests

Talk about readability and high quality of unit tests written in PHPUnit

Transcript

1. Clean & Quality unit tests
2. Wojtek Zieliński @codecleaner
3. •  Names matters •  Exceptions •  Test Doubles •  Stubbing Collections •  Arrange Act Assert What’s it all about?
4. Names matters
13. Test a single concept in each test function Robert C. Martin
24. Exceptions
37. Test Doubles
41. How does getMock() really work? •  Does Configuration class exist? •  Create Mock_Configuration_123abc class extends Configuration class •  Create instance of that class •  Return instance
42. How does getMock() really work? •  Does Configuration class exist? •  Create Mock_Configuration_123abc class extends Configuration class •  Create instance of that class •  Return instance •  Create Configuration class
55. Stubs provide canned answers to calls made during the test "Mocks Aren’t Stubs" Martin Fowler
56. Mocks are objects pre-programmed with expectations which form a specification of the calls they are expected to receive "Mocks Aren’t Stubs" Martin Fowler
69. Stubbing collections
72. Arrange Act Assert
76. It’s all about readability
79. What’s next?
82. Questions? Wojtek Zieliński @codecleaner