Download as PDF, PPTX
More Related Content
Similar to Alexander Voronov Test driven development in real world
Alexander Voronov Test driven development in real world
- 1. @aleks_voronov TDD in RealWorld ALEXANDER VORONOV @aleks_voronov
- 2.
- 3.
- 4.
- 5. @aleks_voronov OH YOU THINKIT'S FASTER?
- 6.
- 7.
- 8.
- 9.
- 10.
- 11.
- 12.
- 13.
- 14.
- 15.
- 16.
- 17.
- 18.
- 19. @aleks_voronov TDD AS APRACTICE DEVELOPMENT PRACTICE
- 20. @aleks_voronov TESTS FIRST RED ‣GREEN ‣ REFACTOR
- 21. @aleks_voronov THINK FIRST THINK ‣RED ‣ GREEN ‣ REFACTOR
- 22.
- 23. @aleks_voronov SOUNDS LIKE WE ACHIEVE SAMEWITH UNIT TESTS...
- 24.
- 25. @aleks_voronov ONLY NECESSARY CODE BESTCODE IS NO CODE
- 26. @aleks_voronov RED STAGE SCHOOL TRUETEST ALWAYS REMEMBERS WHERE IT COMES FROM
- 27.
- 28. @aleks_voronov CLEANER INTERFACES ‣ TESTSARE FIRST TO USE CODE
- 29. @aleks_voronov CLEANER INTERFACES ‣ TESTSARE FIRST TO USE CODE ‣ PLAY IN PURE SANDBOX ENVIRONMENT
- 30. @aleks_voronov CLEANER INTERFACES ‣ TESTSARE FIRST TO USE CODE ‣ PLAY IN PURE SANDBOX ENVIRONMENT ‣ UNBIASED DESIGNING
- 31. @aleks_voronov CLEANER INTERFACES ‣ TESTSARE FIRST TO USE CODE ‣ PLAY IN PURE SANDBOX ENVIRONMENT ‣ UNBIASED DESIGNING ‣ POORLY DESIGNED CODE WITH TESTS IS STILL BETTER THAN POORLY DESIGNED CODE WITHOUT TESTS
- 32.
- 33. @aleks_voronov WHAT IF INEED CODE FIRST?
- 34.
- 35.
- 36. @aleks_voronov SPIKE SOLUTION ‣ ISOLATE ‣SHORTEN FEEDBACK LOOP: REPL, PLAYGROUND, FIDDLE
- 37. @aleks_voronov SPIKE SOLUTION ‣ ISOLATE ‣SHORTEN FEEDBACK LOOP: REPL, PLAYGROUND, FIDDLE ‣ SETUP SANDBOX: LIBRARIES, STUBBED RESPONSES
- 38.
- 39.
- 40.
- 41.
- 42.
- 43.
- 44.
- 45.
- 46.
- 47.
- 48. @aleks_voronov TEST DOUBLES ‣ DUMMIES ‣FAKES ‣ STUBS
- 49. @aleks_voronov TEST DOUBLES ‣ DUMMIES ‣FAKES ‣ STUBS ‣ SPIES
- 50. @aleks_voronov TEST DOUBLES ‣ DUMMIES ‣FAKES ‣ STUBS ‣ SPIES ‣ MOCKS
- 51.
- 52.
- 53.
- 54. @aleks_voronov CLASSICAL TESTING ‣ ABOUTSTATE ‣ CAN BREAK ENCAPSULATION
- 55. @aleks_voronov CLASSICAL TESTING ‣ ABOUTSTATE ‣ CAN BREAK ENCAPSULATION ‣ USE STUBS
- 56.
- 57.
- 58. @aleks_voronov MOCKIST TESTING ‣ ABOUTBEHAVIOUR ‣ TELL, DON'T ASK
- 59. @aleks_voronov MOCKIST TESTING ‣ ABOUTBEHAVIOUR ‣ TELL, DON'T ASK ‣ USE MOCKS
- 60.
- 61.
- 62. @aleks_voronov TESTS ARE FIRST WHOLEAVE FEEDBACK $ %
- 63.
- 64.
- 65.
- 66. @aleks_voronov INTRODUCING TDD TO YOURTEAM ‣ JUST START WRITING TESTS
- 67. @aleks_voronov INTRODUCING TDD TO YOURTEAM ‣ JUST START WRITING TESTS ‣ TEST SIMPLEST THINGS
- 68. @aleks_voronov INTRODUCING TDD TO YOURTEAM ‣ JUST START WRITING TESTS ‣ TEST SIMPLEST THINGS ‣ GET USED WITH TOOLS
- 69. @aleks_voronov INTRODUCING TDD TO YOURTEAM ‣ JUST START WRITING TESTS ‣ TEST SIMPLEST THINGS ‣ GET USED WITH TOOLS ‣ LET OTHERS SEE WHAT YOU DO
- 70. @aleks_voronov INTRODUCING TDD TO YOURTEAM ‣ JUST START WRITING TESTS ‣ TEST SIMPLEST THINGS ‣ GET USED WITH TOOLS ‣ LET OTHERS SEE WHAT YOU DO ‣ INTRODUCE BOY SCOUT RULE
- 71. @aleks_voronov INTRODUCING TDD TO YOURTEAM ‣ JUST START WRITING TESTS ‣ TEST SIMPLEST THINGS ‣ GET USED WITH TOOLS ‣ LET OTHERS SEE WHAT YOU DO ‣ INTRODUCE BOY SCOUT RULE ‣ PAIR PROGRAMMING
- 72.
- 73.
- 74. @aleks_voronov INTRODUCING TDD TO LEGACYPROJECT ‣ REMEMBER BOY SCOUT RULE?
- 75. @aleks_voronov INTRODUCING TDD TO LEGACYPROJECT ‣ REMEMBER BOY SCOUT RULE? ‣ START WITH CRITICAL FEATURES
- 76. @aleks_voronov INTRODUCING TDD TO LEGACYPROJECT ‣ REMEMBER BOY SCOUT RULE? ‣ START WITH CRITICAL FEATURES ‣ FIND LOWEST POINT YOU CAN TEST
- 77. @aleks_voronov INTRODUCING TDD TO LEGACYPROJECT ‣ REMEMBER BOY SCOUT RULE? ‣ START WITH CRITICAL FEATURES ‣ FIND LOWEST POINT YOU CAN TEST ‣ ADD TESTS, THEN REFACTOR
- 78. @aleks_voronov INTRODUCING TDD TO LEGACYPROJECT ‣ REMEMBER BOY SCOUT RULE? ‣ START WITH CRITICAL FEATURES ‣ FIND LOWEST POINT YOU CAN TEST ‣ ADD TESTS, THEN REFACTOR ‣ STEP BY STEP
- 79. @aleks_voronov INTRODUCING TDD TO LEGACYPROJECT ‣ REMEMBER BOY SCOUT RULE? ‣ START WITH CRITICAL FEATURES ‣ FIND LOWEST POINT YOU CAN TEST ‣ ADD TESTS, THEN REFACTOR ‣ STEP BY STEP ‣ YES, IT TAKES TIME
- 80.
- 81.
- 82.
- 83.
- 84.
- 85.
- 86. @aleks_voronov MAKE IT FUNAND CLEAR
- 87.
- 88. @aleks_voronov MAKE IT FUNAND CLEAR
- 89.
- 90. @aleks_voronov MAKE IT FUNAND CLEAR
- 91.
- 92.