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

1. Clean & Quality
unit tests

2. Wojtek Zieliński
@codecleaner

3. What’s it all about?
• Names matters
• Exceptions
• Test Doubles
• Stubbing Collections
• Arrange Act Assert

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 Configuration class
• Create Mock_Configuration_123abc class
extends Configuration class
• Create instance of that class
• Return instance

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