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Feature. Tests. Implementation.
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Jay Hayes
April 26, 2017
Programming
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62
Feature. Tests. Implementation.
Slides to accompany
https://github.com/iamvery/testing-workshop/releases/tag/v1
Jay Hayes
April 26, 2017
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Transcript
@iamvery ♥ FEATURE. TESTS. IMPL.
@iamvery ♥ MATERIALS bit.ly/rc17tddv1 ✨ ✨ TDD: From Feature to
Tests to Implementation bit.ly/rc17tddlive
@iamvery ♥ FEATURE. TESTS. IMPL.
@iamvery ♥ bit.ly/rc17tddv1
@iamvery ♥ bit.ly/rc17tddv1 ✍
@iamvery ♥ bit.ly/rc17tddv1
@iamvery ♥ bit.ly/rc17tddv1
Jay Hayes https://iamvery.com — @iamvery
@iamvery ♥
None
We develop.
We teach.
We write.
@iamvery ♥ bit.ly/rc17tddv1 Why write tests?
@iamvery ♥ bit.ly/rc17tddv1 DEFINE DONE
@iamvery ♥ bit.ly/rc17tddv1 CONFI DENCE
@iamvery ♥ bit.ly/rc17tddv1 What types of tests are there?
@iamvery ♥ bit.ly/rc17tddv1 acceptance unit model system smoke integration load
@iamvery ♥ bit.ly/rc17tddv1 INTEGRATED. ISOLATED.
@iamvery ♥ bit.ly/rc17tddv1 INTEGRATED. Plays well with others.
@iamvery ♥ bit.ly/rc17tddv1 VERIFY BEHAVIOR
@iamvery ♥ bit.ly/rc17tddv1 SYSTEM
@iamvery ♥ bit.ly/rc17tddv1 ISOLATED. Lonely, like a wolf.
@iamvery ♥ bit.ly/rc17tddv1 DRIVE DESIGN
@iamvery ♥ bit.ly/rc17tddv1 Other names define purpose.
@iamvery ♥ bit.ly/rc17tddv1 Acceptance Tests acceptable behavior. “feature”
@iamvery ♥ bit.ly/rc17tddv1 Load Test system resilience. “pressure”
@iamvery ♥ bit.ly/rc17tddv1 Smoke Low coverage, high level “sanity”
@iamvery ♥ bit.ly/rc17tddv1 ETC.
@iamvery ♥ bit.ly/rc17tddv1 THEY’RE ALL INTEGRATED
@iamvery ♥ bit.ly/rc17tddv1 What about paradigms?
@iamvery ♥ bit.ly/rc17tddv1 TDD
@iamvery ♥ bit.ly/rc17tddv1 BDD
@iamvery ♥ bit.ly/rc17tddv1 ADD
@iamvery ♥ bit.ly/rc17tddv1 TBH
@iamvery ♥ bit.ly/rc17tddv1 IDC
@iamvery ♥ bit.ly/rc17tddv1 Methodology.
@iamvery ♥ bit.ly/rc17tddv1 Documentation.
@iamvery ♥ bit.ly/rc17tddv1 Communicate intent.
@iamvery ♥ bit.ly/rc17tddv1 You are here
@iamvery ♥ bit.ly/rc17tddv1 Ok, tell me what to do.
@iamvery ♥ bit.ly/rc17tddv1 STEP 1
@iamvery ♥ bit.ly/rc17tddv1 Acceptance ✍
@iamvery ♥ bit.ly/rc17tddv1 Integrated.
@iamvery ♥ bit.ly/rc17tddv1 User perspective.
@iamvery ♥ bit.ly/rc17tddv1 Make stuff up.
@iamvery ♥ bit.ly/rc17tddv1 Write the test you want.
@iamvery ♥ bit.ly/rc17tddv1 Last test to pass.
@iamvery ♥ bit.ly/rc17tddv1 STEP 2
@iamvery ♥ bit.ly/rc17tddv1 Run it.
@iamvery ♥ bit.ly/rc17tddv1 Listen.
@iamvery ♥ bit.ly/rc17tddv1 STEP 3
@iamvery ♥ bit.ly/rc17tddv1 Try to make it happy.
@iamvery ♥ bit.ly/rc17tddv1 Zoom in.
@iamvery ♥ bit.ly/rc17tddv1 Build units♻
@iamvery ♥ bit.ly/rc17tddv1 Isolated.
@iamvery ♥ bit.ly/rc17tddv1 GOTO 2
@iamvery ♥ bit.ly/rc17tddv1 …
@iamvery ♥ bit.ly/rc17tddv1 ✅
@iamvery ♥ bit.ly/rc17tddv1 BEWARE
@iamvery ♥ bit.ly/rc17tddv1 “NOOOPE”
@iamvery ♥ https://github.com/testdouble/contributing-tests/wiki/Testing-Pyramid
@iamvery ♥ bit.ly/rc17tddv1 TL;DR coupling
@iamvery ♥ bit.ly/rc17tddv1 OVER TESTING
@iamvery ♥ bit.ly/rc17tddv1
@iamvery ♥ bit.ly/rc17tddv1 SUPER POWERS +
@iamvery ♥ bit.ly/rc17tddv1 MORE PRODUCTIVE
@iamvery ♥ bit.ly/rc17tddv1 EASIER N THE BRAIN
@iamvery ♥ bit.ly/rc17tddv1 DEMO
QUEST IONS? @iamvery ♥ bit.ly/rc17tddv1
/ YOUR TURN @iamvery ♥ bit.ly/rc17tddv1
@iamvery ♥ bit.ly/rc17tddv1 YOUR FIRST TEST
QUEST IONS? @iamvery ♥ bit.ly/rc17tddv1
/ YOUR TURN @iamvery ♥ bit.ly/rc17tddv1
@iamvery ♥ bit.ly/rc17tddv1 NEW INTERFACE
QUEST IONS? @iamvery ♥ bit.ly/rc17tddv1
/ YOUR TURN @iamvery ♥ bit.ly/rc17tddv1
@iamvery ♥ bit.ly/rc17tddv1 GET REAL
QUEST IONS? @iamvery ♥ bit.ly/rc17tddv1
/ YOUR TURN @iamvery ♥ bit.ly/rc17tddv1
@iamvery ♥ bit.ly/rc17tddv1 WRAP IT
QUEST IONS? @iamvery ♥ bit.ly/rc17tddv1
/ YOUR TURN @iamvery ♥ bit.ly/rc17tddv1
@iamvery ♥ bit.ly/rc17tddv1 FAKE IT
QUEST IONS? @iamvery ♥ bit.ly/rc17tddv1
/ YOUR TURN @iamvery ♥ bit.ly/rc17tddv1
@iamvery ♥ bit.ly/rc17tddv1 INJECT IT
QUEST IONS? @iamvery ♥ bit.ly/rc17tddv1
@iamvery ♥ bit.ly/rc17tddv1 BONUS
@iamvery ♥