JAKUB ZALAS
PO LONDYŃSKU
PROGRAMOWANIE
WSPIERANE PRZEZ TESTY
PHP
EDITION
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Jakub Zalas
@jakub_zalas
@jakub_zalas
@jakzal
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- Behaviour
- Veri
fi
cation
- The chain premise
- Collaboration tests
- Test doubles
- Contract tests
- Mocking hell
PLAN
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https://blog.thecodewhisperer.com/permalink/integrated-tests-are-a-scam
Beware the Integrated Tests Scam
J. B. Rainsberger / @jbrains
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VS
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VS
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DATA
CALCULATIONS
ACTIONS
Grokking Simplicity
Eric Normand
2021
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“TEST A CHAIN BY TESTING EACH LINK”
MICHAEL "GEEPAW" HILL
https://www.geepawhill.org/2018/01/16/underplayed-the-chain-premise-in-depth/
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WE GET TO CHOOSE
WHEN AND WHERE
WE BREAK THE DEPENDENCY CHAIN
FOR TESTING
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COLLABORATION TESTS
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INDIRECT INPUT
INDIRECT OUTPUT
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xUnit Test Patterns
Refactoring Test Code
Gerard Meszaros
2007
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WE HAVE DETECTED UNUSUALLY HIGH SPENDING
ON YOUR CARD IN THESE CATEGORIES:
• YOU SPENT £101.19 ON FOOD
• YOU SPENT £27.70 ON ENTERTAINMENT
https://github.com/testdouble/contributing-tests/wiki/Unusual-Spending-Kata