TDDとVimと

RailsまわりのTDDと、Vimについて。

Transcript

1. TDD ͱ Vim ͱ Red-Green-Refactoring Cycle with Vim
2. Resume • Introduction • What is “test”? • TDD on Red-Green-Refactor Cycle • TDD by Vim • Demo • Conclusion • Links and Books
3. ࣗݾ঺հ
4. ͱͭ ށ௩ ༎ଠ (@totzyuta) OneBox Inc. ίʔώʔ ݉ WebΤϯδχΞ
5. ςετɺॻ͍ͯ·͔͢ʁ
6. What is “test”?
7. What is test? • ΞϓϦέʔγϣϯ͕ਖ਼͘͠ಈ͘͜ͱΛอূ͢ ΔͨΊͷΞϓϦέʔγϣϯͰ͸ͳ͍ίʔυ • ୯ମςετɺػೳςετɺ૯߹ςετ • (ݺͼํͷఆٛ͸͍͋·͍) • UnitςετͱFeatureςετ
8. Categories of Tests • Unitςετ • ૄ݁߹తͳUnit͝ͱͷ࠴຿Λอূ͢Δ • associationͷਖ਼͠͞ͷ୲อ • Featureςετ • Unitؒͷ݁߹ • => ػೳશମͱͯ͠ͷಈ͖ͷਖ਼͠͞Λอূ͢Δ • Model, Controller, ViewΛ۲ࢗ͠Ͱ͖Δʂ
9. Testing Frameworks • Minitest • Railsඪ४ (DHHਞ) • ೔ຊͰ΋࠷ۙͪΐͬͱ࢖͏ਓ૿͖͑ͯͨ • RSpec • ͳΜ͔Ή͠Ζඪ४Έ͍ͨʹͳͬͯͨ • ൈຊతͳ࢓༷มߋ͕ಘҙ
10. 3 Principles of Writing Tests • ςετ͸৴པͰ͖Δ΋ͷͰ͋Δ͜ͱ • ςετ͸؆୯ʹॻ͚Δ͜ͱ • ςετ͸؆୯ʹཧղͰ͖Δ͜ͱ ref. Everyday Rails - RSpecʹΑΔRailsςετೖ໳ - Aaron Sumner, Junichi Ito, AKIMOTO Toshiharu, ৼߐ ڕ
11. TDD on Red-Green- Refactor Cycle
12. “TDD is dead.” — David Heinemeier Hansson
13. What is TDD? • ʮϏδωεϓϩάϥϜΛॻ͘લʹɺςετίʔ υΛॻ͘͜ͱʯ • ςετ͕࢓༷ॻʹͳΔ (!!) • Red-Green-Refactor Cycle
14. Flow of TDD on Red-Green-Refactor Cycle 1. ςετͰઃܭॻΛॻ͘ (RED) 2. ࠷଎͔ͭ࠷΋؆୯ʹςετΛ௨͢ίʔυΛॻ͘ (GREEN) • ͍ͭ͜͸ςετίʔυͷςετ 3. ϦϑΝΫλϦϯά (Refactor) • ͜Ε͕ຊؾͷ࣮૷ • “ϦϑΝΫλϦϯά”ͬͯ΍ͭͱ͸ͪΐͬͱҧ͏ • Red͕ΘΔ͍ɺGreen͕Α͍Ͱ͸ͳ͍ʂ ref. cookpad 2015 summer internship TDD by Yoshiori SHOJI
15. TDD - ϝϦοτᶃ • ςετίʔυΛઌʹॻ͘͜ͱʹΑͬͯɺࣗ෼ ͕࡞Δ΂͖ϓϩάϥϜ͕໌֬Խ͢Δɻ • ࣄલʹ࡞੒͢ΔϓϩάϥϜΠϝʔδ͕ੜ·Ε ΔͨΊ࢓༷ᴥᴪʹؾͮ͘ػձ͕ૣΊʹ๚Ε Δɻ
16. TDD - ϝϦοτᶅ • ςετίʔυ͕ඞͣશͯ࡞੒͞ΕΔ • Ϟνϕʔγϣϯ • ෆ҆Λ๊͑ͨ··ͷ։ൃ͞Α͏ͳΒ
17. Vim
18. VimͰRailsͳϓϥάΠϯ • jodosha/vim-greenbar • jodosha/vim-devnotes • dbext.vim • tpope/rails.vim • The-NERD-tree
19. VimͰRailsͳϓϥάΠϯ • bronson/vim-trailing-whitespace • tpope/vim-endwise • vim-scripts/AnsiEsc.vim
20. ුؾ૬ख
21. Demo
22. Demo $ rails new coedotask $ rails g scaffold Task name:string time:integer • λεΫ؅ཧΞϓϦέʔγϣϯ - coedotask • ͜Εʹ Task.calc_total_time Λ௥Ճ͠·͢ʂ
23. Flow of TDD on Red-Green-Refactor Cycle 1. ςετͰઃܭॻΛॻ͘ (RED) 2. ࠷଎͔ͭ࠷΋؆୯ʹςετΛ௨͢ίʔυΛॻ͘ (GREEN) • ͍ͭ͜͸ςετίʔυͷςετ 3. ϦϑΝΫλϦϯά (Refactor) • ͜Ε͕ຊؾͷ࣮૷ • “ϦϑΝΫλϦϯά”ͬͯ΍ͭͱ͸ͪΐͬͱҧ͏ • Red͕ΘΔ͍ɺGreen͕Α͍Ͱ͸ͳ͍ʂ ref. cookpad 2015 summer internship TDD by Yoshiori SHOJI
24. Conclusion • TDD͸։ൃऀΛ޾ͤʹͯ͘͠ΕΔ (?) • “TDD is dead” ͔෼͔Βͳ͍͚ͲͻͱΓͻͱ Γͷ࣮ફ͕Web։ൃʹ͓͚ΔςεςΟϯάͷ ະདྷΛܾΊ͍ͯ͘ • ྘ʹͳͬͯͨͷ͍͠
25. ͋Δ೔ͷ͜ͱ
27. *ŋʄƅŋ*:.Ň..Ň.:*ŋ'( ƅ˜ƅ*)'ŋ*:.Ň. .Ň.:*ŋʄƅŋ*
29. *ŋʄƅŋ*:.Ň..Ň.:*ŋ'( ƅ˜ƅ*)'ŋ*:.Ň. .Ň.:*ŋʄƅŋ*
30. ॻ੶ • Everyday Rails Testing with RSpecTDD • Aaron Sumner
31. ࢀߟ • BDDʹ͍ͭͯࣗ෼ͳΓʹ·ͱΊͯΈͨ • TDD is dead. Long live testing. • Effective TDD With Ruby: Time & Flow
32. ͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ