One mock too far

Transcript

1. A MOCK TOO FAR ... milipski michal-lipski Pragmatists.pl
2. UNIT TEST test of small fragment of code that represents some functionality Run in isolation from external dependencies and other system functionalities
3. REFACTORING Changing structure of code without affecting its behavior
4. MOCK STUB For replacing a method with code that returns a specified result. For validating our expectation about methods calls that object should receive
5. MOCK STUB For replacing a method with code that returns a specified result. For validating our expectation about methods calls that object should receive STATE TESTING BEHAVIORAL TESTING
9. Command
10. Command Query
11. Command Query Incoming
12. Command Query Incoming Outgoing
13. Incoming Command
14. Incoming Command
15. https://github.com/michal­lipski/comand­query­and­mocks/tree /master/src/test/java/incoming_command
16. Command Query Incoming assert on public state change Outgoing
17. Incoming Query
18. https://github.com/michal­lipski/comand­query­and­mocks/tree/m aster/src/test/java/incoming_query
19. Command Query Incoming assert on public state change assert on returned value Outgoing
20. Outgoing Command
21. https://github.com/michal­lipski/comand­query­and­mocks/tree/ master/src/test/java/outgoing_command
22. Command Query Incoming assert on public state change assert on returned value Outgoing verify mock
23. Outgoing Query
24. https://github.com/michal­lipski/comand­query­and­mocks/tree/m aster/src/test/java/outgoing_query
25. Command Query Incoming assert on public state change assert on returned value Outgoing verify mock stub or avoid
26. Command Query Incoming assert on public state change assert on returned value Outgoing verify mock stub or avoid