RailsとYesodの比較

Transcript

1. RailsͱYesodͷൺֱ
   ౻ଜେհ
   Sunday, April 22, 12
   

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2. ࣗݾ঺հ
   • ౻ଜେհ
   • גࣜձࣾAiming
   • @ffu_
   • http://fujimuradaisuke.com
   Sunday, April 22, 12
   

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3. ࣗݾ঺հ (2) Rubyͱࢲ
   • ੲ͸ABAPerͩͬͨɻ·ͱ΋ͳݴޠ͕΍Γͨ͘ͳΓRubyʹస޲
   • ͔Ε͜Ε3೥൒͘Β͍ϑϧλΠϜͰRailsͷ࢓ࣄΛͯ͠Δ
   • Railsίϛολ @a_matsuda ࢓ࣄͯ͠Rails಺෦ʹ͚ͬ͜͏ৄ͘͠ͳͬͨ
   • WEB+DB PRESSͷRails3ಛूΛͪΐͬͱख఻ͬͨ
   • Railsͷ࡞ऀɺDHHͱ൴ͷಇ͘37signalsͷϑΝϯ
   Sunday, April 22, 12
   

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4. ࣗݾ঺հ (3) Haskellͱࢲ
   • The Little SchemerͰؔ਺ϓϩάϥϛϯάΛ஌Δ
   • Seven Languages in Seven WeeksͰHaskellΛ஌Δ
   • ελʔτHaskellͰຊ֨తʹHaskell͕޷͖ʹͳΔ
   • ݱࡏɺձࣾͰYesodΛࢼݧతʹಋೖத
   Sunday, April 22, 12
   

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5. ΞδΣϯμ
   • Railsʹ͋ͬͯYesodʹͳ͍΋ͷ঺հ
   • Rails࢖͍͔ΒݟͨYesod(ͱHaskell)ͷ͍͍ͱ͜Ζ
   • Yesodʹཉ͍͠΋ͷ঺հ
   Sunday, April 22, 12
   

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6. Yesodʹͳ͍΋ͷ(1) σϓϩΠπʔϧ
   • Railsʹ͸Capistranoͱ͍͏σϓϩΠࣗಈԽπʔϧ͕͋Γ·͢ɻ
   • $ cap deploy ͰσϓϩΠ
   • $ cap deploy:rollbackͰલճσϓϩΠͨ͠ίʔυʹϩʔϧόοΫ
   • ͦͷଞɺSSHͰೖͬͯσϓϩΠ࣌ʹߦ͏࡞ۀͷࣗಈԽҰൠ͕ՄೳͰ͢ɻ
   • https://github.com/capistrano/capistrano/wiki/2.x-Getting-Started
   Sunday, April 22, 12
   

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7. Yesodʹͳ͍΋ͷ(1) σϓϩΠπʔϧ
   • cabal-dev Λ࢖ͬͨΒͰ͖·ͨ͠…
   • ͨͩ͠ຖճશґଘϥΠϒϥϦΛΠϯετʔϧ͢ΔͷͰ͕͔͔࣌ؒΔ
   • ͦ΋ͦ΋Haskellerͱͯ͠͸ʮRubyͷπʔϧΛ࢖͏ʯͰOKͳͷ͔ʁ
   Sunday, April 22, 12
   

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8. Yesodʹͳ͍΋ͷ(2) CRUDͷੜ੒
   • Rails͸scaffoldͰCRUD͕Ͱ͖Δίʔυ͕ੜ੒͞Ε·͢ɻ
   • ͜ͷҐͷίʔυ͕ ੜ੒͞ΕΔ
   • RailsྲྀͷRESTfulͳϧʔςΟϯάʹԊͬͨίʔυ͕ੜ੒͞ΕΔͷͰɺͦΕΛݩ
   ʹ։ൃ͍ͯ͠Ε͹ɺࣗવͱRailsతͳΘ͔Γ΍͍͢ίʔυʹͳΓ·͢ɻ
   • ࣗવͱRails wayͰ։ൃ͢Δ͜ͱʹͳΔͷͰɺ೰·ͳ͍ͰࡁΉͱ͍͏ར఺΋ɻ
   • YesodͰ΋೰·ͣ։ൃΛਐΊΒΕΔఔ౓ʹscaffoldͰίʔυΛੜ੒ͯ͠΄͠
   ͍ɻ
   Sunday, April 22, 12
   

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9. Yesodʹͳ͍΋ͷ(3) RSpec
   • ΄΅σϑΥϧτ࠾༻͞ΕͯΔςετϑϨʔϜϫʔΫɻ
   • ಈ࡞ݕূͰ͸ͳ͘ιϑτ΢ΣΞͷʮৼΔ෣͍ʯΛܾΊΔͨΊͷϥΠϒϥϦ
   • http://jp.rubyist.net/magazine/?0021-Rspec ʹ֓ཁ͕·ͱ·ͬͯ·͢ɻ
   • rspec-railsͱ͍͏ϥΠϒϥϦͰRailsͷςετ͕ܹ͘͠ੜ࢈తʹͳΓ·͢ɻ
   • ͦͷଞपลϥΠϒϥϦଟ਺ɻ
   Sunday, April 22, 12
   

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10. ͳͥRSpec͕ཉ͍͔͠
    • RSpec͸ઃܭπʔϧͱͯ͠ຊ౰ʹ༏लɻ·ͣSpecΛεέονײ֮Ͱॻ͍ͯҰ
    ୴ઃܭΛจষԽ͢ΔͱɺAPIશମ͕ݟ௨ͤΔΑ͏ʹͳΓ·͢ɻ͜͜Ͱઃܭͷྑ
    ͠ѱ͠Λݕ౼Ͱ͖Δͷ͸ૉ੖Β͍͠Ͱ͢ɻ
    ͜Μͳ۩߹ʹઃܭΛઌʹॻ͘
    ࣮ߦ͢Δͱ“PENDING”
    Sunday, April 22, 12
    

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11. ͳͥRSpec͕ཉ͍͔͠
    • request spec΋ཉ͍͠Ͱ͢ɻrequest spec͸SeleniumͳͲͰ࣮ࡍʹΞϓϦέʔ
    γϣϯΛಈ͔ͯ͠ɺϑϩϯτΤϯυ͔ΒΞϓϦέʔγϣϯΛݕࠪ͢Δ࢓૊
    Έɻclick_link(‘#submit-button’)ͱ͍ͬͨײ͡ͰखಈͰ͍ͯͨ͠ಈ࡞֬ೝΛࣗ
    ಈԽͰ͖·͢ɻ
    • ਅ݋ʹॻ͘ͱɺ࣮ߦՄೳͳड͚ೖΕςετܭըॻʹͳΓ·͢ɻ
    • ෳ਺ͷػೳΛ·͙ͨγφϦΦςετ͕ॻ͖΍͍͢ɻ
    • ͜͜਺೥ɺRails͸͜ͷϨΠϠʔ·Ͱςετ͢Δͷ͕σϑΥϧτɻ
    Sunday, April 22, 12
    

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12. ͳ͍΋ͷ(3) RSpec
    • ͪͳΈʹHaskellͰ΋hspecͱ͍͏RSpecతͳϥΠϒϥϦ͕͋Γ·͢ɻ
    • http://hspec.github.com/
    • ࠷ۙ1.1ʹͳΓ·ͨ͠ʂ
    • ͔͠͠ɺdescribe/contextͷೖΕࢠ͸Ͱ͖ͳ͍͠ɺsetup/teardownແ͍͠ɺ
    RSpecʹࣅͨߏจͷxUnitͱ͍͏ͷ͕࣮৘…ɻ
    • ࠓޙʹظ଴ɻ
    Sunday, April 22, 12
    

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13. Rails࢖͍͔ΒݟͨYesod(ͱHaskell)ͷ͍͍ͱ͜Ζ
    • NullPointerException͕ແ͍ʂ
    • ܕΛ͋ΘͤΔͱ͍͍ͩͨظ଴௨Γʹಈ͘
    • undefinedΛ࢖͏ͱςετίʔυͳ͠ͰBDDͬΆ͍͜ͱ͕Ͱ͖Δ
    • ى͜Γ͏Δ͜ͱΛશ෦ߟྀ͠ͳ͍ͱ͍͚ͳ͍ͷͰɺ૝ఆ΋Εͷόά͕ͳ͘ͳ
    Δ
    • ΞυϗοΫଟ૬͕RubyͷMix-inͱࣅ͍ͯΔͷͰ਌͠Έ΍͍͢
    Sunday, April 22, 12
    

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14. Yesodʹཉ͍͠΋ͷ(1)
    • ϏδωεϩδοΫΛهड़͢ΔͨΊͷϥΠϒϥϦ
    • PersistentΑΓ΋͏ͪΐͬͱந৅౓ߴ͍هड़͕͍ͨ͠Ͱ͢ɻ
    • RailsͰ͸ActiveRecordͰϢʔβʔͷϝϯλϧϞσϧʹ͍ۙܗͷදݱ͕Ͱ͖
    ͨɻ
    • ͱ͍ͬͯ΋ORϚούʔΛ࡞Δͷ΋ҧ͍·͢ΑͶɻDCI ͕ࢀߟʹͳΔؾ͕͠
    ͍ͯ·͢ɻ
    • ࡞ͬͯΈ͍ͨͰ͢ɻ
    Sunday, April 22, 12
    

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15. Yesodʹཉ͍͠΋ͷ(2)
    • Yesod way
    • Railsʹ͸Ϩʔϧ͕͋ͬͯɺͦΕʹ৐ΕΔɻ
    • DHHᐌ͘ʮConstraints are liberatingʯ
    • ࠓͷͱ͜ΖYesodʹ͸Ϩʔϧ͕ݟ౰ͨΒͳ͍ɻ
    Sunday, April 22, 12
    

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16. ͓ΘΓ
    • ए͍ϥΠϒϥϦͳͷͰɺࠓޙʹظ଴Ͱ͢
    Sunday, April 22, 12
    

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17. ༨ஊ
    • ςϯϓϨʔτΤϯδϯͷ࿩͸…ʁ
    • ձࣾͰ࡞ͬͯΔͷ͸JSON APIͳͷͰɺ৮ͬͯͳ͍ΜͰ͢ɻ
    • ΋͠΍ΔͳΒmustacheΛ࢖͏ͱࢥ͍·͢ɻShakespearean Templates͸ϑ
    ϩϯτΤϯυͷਓͱͷίϥϘϨʔγϣϯ͕೉ͦ͠͏ͳҹ৅Ͱ͢ɻ
    • scotty΋ؾʹͳͬͯ·͢
    • Web API࡞ΔͷͰ͋Ε͹ͬͪ͜ͷ΄͏͕खܰͦ͏
    Sunday, April 22, 12
    

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