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Web-E2E-Testing-from-Ruby
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MOROHASHI Kyosuke
December 05, 2017
Programming
5
550
Web-E2E-Testing-from-Ruby
MOROHASHI Kyosuke
December 05, 2017
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Transcript
Ruby && Webํ໘͔Βݟ͑ͨ ΤϯυπʔΤϯυςετͷ ྺ࢙ͱࢥ͍ग़ ॾڮګհ @moro
‣ (ࣸਅ) ղফͰ͖ͨෆ҆
Kyosuke MOROHASHI moro moro
None
લ࢙
‣ ΞϓϦέʔγϣϯͷܗΛ࡞Δͱςετڥ͕͍ͭͯ͘Δɻ ‣ test/models, test/controllers, test/views … ‣ ʮ୯ମʯςετ͕த৺ Ruby
on Rails
‣ & rspec_rails ‣ spec/models, spec/controllers, …. RSpec
‣ ϞσϧɾϏϡʔɾίϯτϩʔϥΛ౷߹(integrate)ͯ͠ ςετ͢Δɻ ‣ ୯ҰϦΫΤετʹ͓͍ͯɺΞϓϦέʔγϣϯͷ֤ϨΠϠ͕ ҙਤ௨Γ౷߹ͯ͠ಈ͔͘ɺΛςετ͢Δɻ ‣ ෳϦΫΤετʹΘͨΔڍಈ(͋ͷը໘͔Β͜ͷը໘ʹભҠͯͦ͠ΕΛೖྗ…) ςετͰ͖ͳ͍ɻ
Integration test / Request spec
‣ ϒϥβૢ࡞ΛࣗಈԽͯ͠ςετ͢Δ Selenium ͱɺ ‣ ਓؒͷૢ࡞Λهͯ͠ςετέʔεΛ࡞ͬͯ͘ΕΔ Selenium IDE Selenium &
Selenium IDE
‣ ϓϩδΣΫτϝϯόʔ͕ɺຖே࠷৽ͷίʔυΛνΣοΫΞ τͯ͠Ұ௨Γ৮ͬͯΈΔɻԿ͔͋Ε͙͢ʹ͢ɻ खಈͰͷܧଓతE2Eςετ
ෳϦΫΤετʹ·͕ͨΔɺϢʔβʔ͕࣮ࡍʹ͏ γφϦΦʹԊͬͨςετΑͦ͞͏ɻ ͜ͷ࣌Ͱ·ͩखಈςετɺ࣮ߦ͢Δͷ͕େมɻ Selenium IDEͰهͨ͠ςετ͙͢յΕΔɻ ࣮ײͰ͖ͨ͜ͱ
Webrat + Cucumber
‣ ΤϯυπʔΤϯυςετΛɺࣗવݴޠͰ͔͚Δɻ ‣ MVCϨΠϠ௨؏ & ෳΞΫγϣϯ ‣ ࣗવݴޠͰςετ͕͔͚Δɻ ‣ Gherkin
ϑΥʔϚοτ ‣ Given, When, Then / લఏɺ͠ɺͳΒ Cucumber
‣ Cucumber ͷόοΫΤϯυɺWebΞϓϦΛςετ͢Δͨ ΊͷϥΠϒϥϦɻ ‣ ηογϣϯ(cookie)ΛҾ͖ͭ͛Δ ‣ ʮෳϦΫΤετΛॱ൪ʹݺΜͩʯςετ͕͔͚ΔΑ͏ʹ ‣ ϦϯΫϑΥʔϜΛૢ࡞͢Δ(ͭΓͰ͑Δ)API͕͋ͬͨ
Webrat
‣ ࣗવݴޠͰॻ͍ͨ *.feature Λಈ͔ͨ͢ΊͷΈΛ step_definitions ͱͯ͠ॻ͘ɻ ‣ step_definitions ͷதRubyίʔυɻࣗવݴޠͱ ਖ਼نදݱͰϚονϯά͞ΕΔɻ
Cucumber + Webrat
None
‣ Gherkin ςΩετΛϓϩάϥϚͱɺϓϩάϥϚͰͳ͍ਓ ͱɺڞ༗Ͱ͖ͳ͍͔ͨΊͨ͠ɻ ‣ ϏδωεαΠυͷ༷ݕ౼/߹ҙʹ ‣ ݟੵΓ୯ҐʹͬͯΈͨΓ ‣ νʔϜͷ৽ϝϯόʔͷઆ໌ʹ
‣ ։ൃ࣌ͷҙࣝ߹Θͤʹ (feature͚ͩॻ͍ͨੜࣽ͑PRΛϨϏϡʔͨ͠Γ) ࢲͱCucumber
Web ͷɺγφϦΦهड़Ͱ͖ΔE2EࣗಈςετͷΈ Γͪΐ͏ΜΓɻ ޠͰॻ͍ͯ͋ΔͷɺͬͯΈΔͱΘ͔Γ͍͢ɻ ૿͕͑ͨʮຊޠϓϩάϥϛϯάʯʹͳͬͯ͠·͏ͱ ϓϩάϥϚʹͱͬͯࡶͳ͚ͩɻ ࣮ײͰ͖ͨ͜ͱ
“ ࣮ࡍʹɺͦΕΒඇٕज़ܥͷεςʔΫϗϧμʔ ʢརؔऀʣͱҰॹʹςετΛॻ͘ͱ͍͏ɺ ՍۭͷॴͰ͔͠ʹཱͪ·ͤΜɻ https://martinfowler.com/bliki/DynamicTyping.html ( http://bliki-ja.github.io/DynamicTyping/ )
‣ ඞͣ͠ʮॻ͍ͯʯΒΘͳ͚ΕͳΒͳ͍Θ͚Ͱͳ͍ɻ ‣ ಉ͡දݱͰεςʔΫϗϧμʔ͕Έͳڞ௨ཧղ͢Δͷ͕େࣄɻ ‣ ʮεςʔΫϗϧμʔʯʹͪΖΜɺ։ൃνʔϜؚ·ΕΔɻ ‣ ͦͷͨΊͷݴޠޠኮΛҭͯΔͷ͕େͩͬͨɻ Α͘ݴΘΕ·͢ɺɺɺ͚ͩͲ
Capybara
‣ WebratޓAPIͷ͋ΔɺͳϥΠϒϥϦ ‣ υϥΠόΛΓସ͑ͯJavaScriptಈ͔ͤΔΑ͏ʹɻ ‣ SeleniumߴϨϕϧAPIͰ͑ΔΑ͏ʹͳͬͨɻ CapybaraϕϯϦɺͰ͢ΑͶ
JavaScript ·ͰؚΉΤϯυπʔΤϯυςετ ͏ͷ͍͢͝خ͍͠ɻ Capybara APIࣗମͲΜͲΜศརʹͳ͍ͬͯΔɻ JS͕ಈ͘֎෦ϒϥβΛىಈ͢Δͷɺศར͚ͩͲ͍& Τϥʔ͕Θ͔ΓͮΒ͘ͳͬͨɻ ࣮ײͰ͖ͨ͜ͱ
‣ RailsϒʔϜͱͱʹਓؾ্ঢɺߴػೳԽ͕ਐΉɻ ‣ shared example, subject, let, ϞοΫඪ४ఏڙ ‣ RSpec
3ͰAPIͱ(งғؾ)͕มΘΔɻ ‣ test-unit power-assert ͷख़ͱͱʹɺxunitͷ ݟ͕͠ਐΉɻ ಉ࣌ظʹ(ྑ͘ѱ͘)RSpecʹେ͖ͳมԽ͕
Capybara + X season 1
‣ Turnip ‣ RSpecͷϥϯλΠϜͰɺGherkinελΠϧͷςετΛ ࣮ߦͰ͖Δɻ ‣ CukeͷࡶϙΠϯτͩͬͨɺstep definitionsఆٛͱͷ ϚονϯάΛվળ͍ͯ͠Δɻ +
RSpec + Gherkin
‣ feature spec ‣ Capybara APIΛͬͯɺΤϯυπʔΤϯυςετΛ ॻ͚ΔΑ͏ʹͨ͠ɻ ‣ Ұ෦ͷޠኮ(feature, scenario…)Λಋೖ͕ͨ͠ɺ͋͘·
ͰRSpecͷϝιου໊ΤΠϦΞεʹͱͲ·Δɻ ‣ 2017࣌ͩͱɺ͜Ε͕ଟ͔ͳɻ + RSpec - Gherkin
‣ σʔλͷηοτΞοϓ͕ͭΒ͍ɻ ‣ Τϯυ͔ΒผͷΤϯυ·ͰɺେͳΦϒδΣΫτάϥϑ͕ඞཁͱͳΓ͕ͪɻ ‣ ͕͔͔࣌ؒͬͨΓɺҙਤͤ͵ෆશσʔλ͕Ͱ͖ͨΓɻ ‣ Έ߹Θͤͷςετ͕ͭΒ͍ɻ ‣ shared
exampleΛۦͨ݁͠Ռɺݟ௨͕͠ѱ݅͘ଟ͘ͳΔɻ feature spec ͭΒ͍ܥ ͋Δ͋Δ
JavaScript ·ͰؚΉΤϯυπʔΤϯυςετ ͏ͷ͍͢͝خ͍͠ (΄Μ͜Ε) Α͍ΤϯυπʔΤϯυςετΛॻ͘ͷ͍͠ɻ υϝΠϯʹԊͬͨޠኮΛҭͯΔͷɻ ݕূ͖݁͢ՌͷݟۃΊ(ͳΜͱͳ͘Ξαʔτ)ɻ ࣮ײͰ͖ͨ͜ͱ
https://speakerdeck.com/akiinyo/du-miyasuiendotuendotesutogashu-kitai?slide=5
શϨΠϠΛ·ͱΊςετ͢Δʹศར ͚ͩͲɺେ͖͍ͯ͘ςετʹͳΓ͕ͪ ݁Ռͱͯ͠:
Capybara + X season 2
‣ Appium ‣ Web͚ͩͰͳ͘ϞόΠϧΞϓϦࣗಈςετՄೳʹɻ ‣ Rails 5.1+ ͰCapybara͕ඪ४ʹɻ ‣ SystemTestCaseͱͯ͑͠ΔΑ͏ʹͳΓɺRSpecͰ
System Specͱͯ͠αϙʔτɻ ‣ Selenium υϥΠόͰheadless chrome͑ΔΑ͏ʹɻ ͜Ε͔ΒͷΤϯυπʔΤϯυςετ
·ͱΊ
‣ ࣗಈԽ͞Εͨ ‣ ΤϯυπʔΤϯυͷςετ ‣ ͱͯΑ͍ͷͩ ࣮ײͰ͖ͨՁ
‣ ΤϯυπʔΤϯυςετ ‣ େ͖ͯ͘ ‣ ͯ͘ ‣ ॻ͘/ϝϯς͢Δͷ͕ΊΜͲ͍͘͞ɺςετʹͳΓ͕ͪ ͬͨ՝
“ ࣗಈςετΛॻ͘ϓϥΫςΟεੈͷ தʹཱʹ͖ࠜɺࣗͨͪͰࣗಈς ετΛॻ͘ͷ͕ʮ;ͭ͏ʯͳੈͷதʹ ͳΓ·ͨ͠ɻ͜Εେ͖ͳલਐͰ͢ɻ — テスト駆動開発 「付録C」
‣ ͷલͷϑΟʔνϟΛͲ͏͍͏γφϦΦʹͰ͖Δ͔ɺ ͦͷγφϦΦͰͷςετରԿ͔ɺΛΑ͘ߟ͑Δɻ ‣ ύϥϝλϥΠζυςετ(γφϦΦΞτϥΠϯ)ɺ ͏ͪΐͬͱٕज़తʹ͏·͘Εͦ͏ͳؾ͢Δɻ ‣ υϝΠϯνʔϜʹ߹ͬͨޠኮΛҭ͍ͯͯ͘ɻ ͬͨ՝ͱ͖߹͑Δͱ͍͍Ͱ͢ΑͶ
“ ςετۦಈ։ൃɺϓϩάϥϛϯάதͷෆ҆Λ ίϯτϩʔϧ͢Δख๏ͩɻ ུ ʮ͜ΕࠔͳͳͷͰɺ࠷ॳ͔Βͯ͢Λ ݟ௨ͤΔΘ͚Ͱͳ͍ʯͱ͍͏ਅͬͳײ֮ͷ ͜ͱͩɻ — テスト駆動開発
「まえがき」
‣ ʮϑΟʔνϟશମʯͪΖΜ࠷ॳ͔Βݟͤͳ͍ɻ ‣ ͰϑΟʔνϟͷࠜຊΛͪͬͪΌ͘࡞ͬͯɺͦͷςετΛ ௨͠ଓ͚Δ͜ͱͰ͖ͦ͏ɻ ‣ ࠜຊԿ͔ɺߟ͑Δɻ ‣ νʔϜͷޠኮ͕ҭ͍ͬͯΕɺ͍ͬͦ͏εϜʔζʹͳΓͦ͏ɻ ʮΤϯυπʔΤϯυʯͷద༻