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残して価値のあるテスト設計 / Test design by specification map
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Yuji Imagawa
June 26, 2019
Programming
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4.8k
残して価値のあるテスト設計 / Test design by specification map
#gotanda.rb 第37回目 で発表したスライドです。
Yuji Imagawa
June 26, 2019
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Transcript
ͯ͠Ձͷ͋Δ ςετઃܭ 2019-06-26 @ gotanda.rb # 37 Yuji Imagawa (
@ug23_ )
εϚʔτΩϟϯϓͷࠓͰ͢ • ࠓ༟࢜ @ug23_ • ΤϯδχΞ4 • લ৬͕QAΤϯδχΞ • ͍·RailsΔ͠VueΔ͠ΠϯϑϥΔ
• #tddyyχ ͷͳ͔ͷͻͱ • ؾʹͳ͍ͬͯΔ͜ͱ: Sorbet
ࠓि͔ΒΦϑΟεҠస͠·ͨ͠
We are hiring! ࣄۀΛΓ͍ͨΤϯδχΞืूதͰ͢ [εϚʔτΩϟϯϓ ΤϯδχΞ] [ݕࡧ]
ࠓͷςʔϚ RSpec ͱ ςετ
ࢲͷ ςετઃܭͷͷ΄͏͕ ϝΠϯͰ͢
͓͠ͳ͕͖ • QAΤϯδχΞ࣌ͷ • Α͍ͬͯ͘Δςετઃܭ • RSpecʹԠ༻͢Δ
QAΤϯδχΞ࣌ͷ
ςετͷϨϏϡʔ͍͠ • ϨϏϡʔͯ͠ʂͱ͞ΕΔExcel • ্Լʹ͘ηϧ݁߹͞ΕͨΧςΰϦ • ҧ͍͕Θ͔Βͳ͍ࣅͨςετέʔε
ࢥͬͨ͜ͱ Excelͷςετέʔε ϨϏϡʔ͢Δͷ͕͍͠
ࢥͬͨ͜ͱ ExcelʹͳΔલʹϨϏϡʔ͍ͨ͠
ͨͲΓண͍ͨ͑ • ϚΠϯυϚοϓ͔Β࢝ΊΔ ιϑτΣΞςετ • ా ڿ (ஶ), ླ ࡾل
(ஶ) • ϚΠϯυϚοϓͷ ࡉׂ͔͍Ѫ͠·͢
ϚΠϯυϚοϓͷΑ͍ͱ͜Ζ • ॻ͘աఔͰ಄ΛཧͰ͖Δ • ݟΔଆจষΑΓݟ͍͢ • πϦʔͳͷͰࣗͷݟΔతʹΑͬͯ ୳ࡧ๏ΛબͰ͖Δ • ਂ͞༏ઌ
or ෯༏ઌ • ༿·ͰݟΔ or ͋Δ֊͚ͩ͏ ※ޮՌʹݸਓ͕ࠩ͋Γ·͢
Α͍ͬͯ͘Δςετઃܭ
ϚΠϯυϚοϓΛ͍·͢ • ํେ·͔ͳέʔεΛߟ͑Δ࣌ ϚΠϯυϚοϓΛॻ͖·͢ • ޙ͔ΒRSpecॻ࣌͘ͱ͔ɺखಈͷγεςϜςετʹͳΔ߹ • ͚ࣗͩͷͱ͖εέονϒοΫʹ ඳ͖·͕͢Gitʹ͋͛ΒΕͳ͍…
GitͰཧͰ͖ΔϚΠϯυϚοϓΛ࡞Δ • Markdown→ϚΠϯυϚοϓԽ͢Δ • ࣗ Atomͷ Markdown Mindmap Λར༻͍ͯ͠·͢
σϞ
ςετઃܭ༻ϚΠϯυϚοϓͷॻ͖ํ • ֊ߟ͑ͳ͍ • ͷͼͷͼॻ͘ʂ • ը໘ΛΠϝʔδ͍͍ͯ͠͠ Ϋϥεผͷ୯ҐΛΠϝʔδͯ͠ྑ͍ • ༿ͷཁૉ͕1ͭҎ্ͷςετέʔεʹ
ରԠ͢ΔΑ͏ʹॻ͘
͍ํ • ςετέʔεͷϨϏϡʔ࣌ʹ͏ • ৽ϝϯόʔ͕ೖͬͨ࣌ͳͲ ͦͷγεςϜͷ༷Ұཡͱͯ͠ݟͤΔ • ΈΜͳͰख͚ͯ͠ಈ࡞֬ೝ͍ͨ࣌͠ ʮ͜ͷลͬͯʯͱ͔ਤࣔ͢Δ •
ػೳ͕େ͖͘มΘͬͨΒϓϧϦΫग़͢
෭࡞༻ͱͯ͠ γεςϜͷػೳΛࣔͨ͠ ਤʹͳΔ
RSpecʹԠ༻͢Δ
ͦͦRSpec • ͱͱBDDπʔϧ • ࢲୡSpecificationΛॻ͍͍ͯΔ • "rpsec --format documentation" ͱ
࣮ߦͯ͠Έͯ΄͍͠ • ڵຯΛ࣋ͬͨํ ʰςετۦಈ։ൃʱ(ΦʔϜࣾ)ͷC
RSpecΛ༷ॻͰ͋Δ͔ͷΑ͏ʹॻ͖͍ͨ • ςετΛ࣮ߦͯ݁͠ՌΛಡΉͱ ͦͷ෦ͷίʔυͷ༷͕Θ͔ΔΑ͏ʹ ͍͖͍ͯͨ͠ • ͖ͬ͞ͷϚΠϯυϚοϓͱؔ࿈͚Δ
࣮ࡍʹͬͯΈͨ • FizzBuzzͰྫʹͯ͠Έͨ
࣮ • ݟͤ·͢ • Gistʹ͋͛·ͨ͠ • https://gist.github.com/ ug23/9aafd9e7666ffaa9a1aaba3640d6 d5d8
rspec࣮ߦ݁Ռ fizzbuzz indexΛදࣔจࣈྻʹม͢Δ 3ͷഒͷͱ͖Fizz 5ͷഒͷͱ͖Buzz 15ͷഒͷͱ͖FizzBuzz 3ͷഒͰ5ͷഒͰͳ͍ͱ͖ͦͷ·· ग़ྗ͢Δ index:1ͷͱ͖ͷදࣔจࣈྻΛվߦ۠ΓͰඪ४ग़ྗ͢Δ index:15ͷͱ͖ͷදࣔจࣈྻΛվߦ۠ΓΛඪ४ग़ྗ͢Δ
ճ͢Δ 1͔Β100·ͰͰग़ྗ͢Δ
ҙ • ͳʹ͔ΛΞτϓοτ͢Δࡍʹ ϚΠϯυϚοϓΛϕʔεʹ͢ΔΠϝʔδ • ٯ͋·Γߟ͍͑ͯ·ͤΜ ٯʹ໘ʹͳΔ͔͠Ε·ͤΜ • ͬͱ͍͍͍ํ͋Εڭ͍͑ͯͩ͘͞
·ͱΊ
·ͱΊ • ςετઃܭͷखஈͱͯ͠ ϚΠϯυϚοϓΛར༻ͯ͠·͢ • ςετઃܭͷϚΠϯυϚοϓ͕ ͦͷ··ػೳҰཡʹͳͬͯ ͍Ζ͍Ζ͑·͢ • ͦͷ··RSpecςετέʔεʹ
མͱ͠ࠐΜͰ͍·͢