RSpecはじめました

kanazawa.rb meetup #14 で行われたミニコーナー「Test ! Test !! Test !!!」で発表したスライド

Transcript

1. 34QFD͸͡Ί·ͨ͠
   
   LBOB[BXBSCNFFUVQ
   !LLBCFUBOJ
   

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2. ࣗݾ঺հ
   w!LLBCFUBOJ
   w5PZBNB
   w+BWBͰ8FCΞϓϦ࡞ͬͯ·͢
   w+BWB4DSJQUগʑ
   w3VCZ͸झຯͰ৮ͬͯ·͢
   

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3. ̏ϲ݄લ
   wʮͨͷ͍͠3VCZʯΛࣸܦͨ͠
   w3VCZPO3BJMT΍ͬͯΈΑ͏͔ͳʔ
   wLBOB[BXBSCʹॳࢀՃͨ͠
   

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4. 34QFDͬͯԿʁ
   

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5. ࠷ۙ
   w3VCZPO3BJMTͰΞϓϦ࡞͔ͬͨΒςε
   τॻ͜͏ʢ࣍͸5%%Ͱ΍ͬͯΈΑ͏ʣ
   w(FN࡞ͬͯΈΑ͏
   w%4-ʁԿͦΕʁ໘നͦ͏
   wLBOB[BXBSCʹࢀՃָͯ͘͠͠ͳͬͯ
   ͖ͨ
   

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6. 34QFDͪΐͬͱ
   ෼͔͖ͬͯͨ
   

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7. ͦΜͳࣗ෼͕
   34QFDͰษڧ͖ͯ͠
   ͨ͜ͱΛൃද͠·͢
   

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8. 34QFDͱͷग़ձ͍
   w3VCZPO3BJMTνϡʔτϦΞϧͰࣸ
   ܦͯ͠ษڧͯͨ͠ͱ͖ 3BJMTW
   
   wIUUQSBJMTUVUPSJBMKQ
   

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9. ࠷ॳʹॻ͍ͨ34QFD
   require 'spec_helper'
   describe "Static pages" do
   describe "Home page" do
   it "should have the content 'Sample App'" do
   visit '/static_pages/home'
   page.should have_content('Sample App')
   end
   end
   end
   

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10. ࠷ॳʹॻ͍ͨ34QFD
    require 'spec_helper'
    describe "Static pages" do
    describe "Home page" do
    it "should have the content 'Sample App'" do
    visit '/static_pages/home'
    page.should have_content('Sample App')
    end
    end
    end
    

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11. ࠷ॳʹॻ͍ͨ34QFD
    require 'spec_helper'
    describe "Static pages" do
    describe "Home page" do
    it "should have the content 'Sample App'" do
    visit '/static_pages/home'
    page.should have_content('Sample App')
    end
    end
    end
    

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12. ϯʁφχίϨʁ
    w3VCZͬΆ͍͚Ͳ
    w͜Μͳͷशͬͯͳ͍Μ͚ͩͲ
    wEFTDSJCF
    wJU
    wϒϩοΫʁ
    

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13. ࠷ॳ͸ͱʹ͔ࣸ͘ܦ͠
    ͯಈ͖ΛݟͯΔ͚ͩ
    

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14. ࣦഊͯ͠ΔͶ
    

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15. ·ͨࣸܦͯ͠࠶࣮ߦ
    

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16. ੒ޭͨ͠Ͷ
    

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17. ࣸܦΛ܁Γฦͨ݁͠Ռ
    wগͮͭ͠34QFDͷ֓ཁ͕෼͔͖ͬͯͨ
    wSBJMTͷಈ͖Λॻ͍ͯςετͯ͠Δͩͳ
    

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18. ٙ໰΋ͨ͘͞Μग़͖ͯͨ
    

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19. ٙ໰
    wͰ΋ɺ͜ΕͲ͏͍͏ಈ͖ʹͳͬͯΔ
    ͷʁ
    w3VCZͳͷʁ
    wEFTDSJCFͱ͔JUͱ͔·ͩΑ͘෼͔ͬ
    ͯͳ͍Μ͚ͩͲ
    

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20. ͦΜͳͱ͖
    

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21. LBOB[BXBSC
    w!:VLJNJUTV@*[BXB͞Μͷൃද
    w3VCZͰ࡞Δ%4-
    wIUUQXXXTMJEFTIBSFOFU
    ZJ[BXBSVCZETM
    

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22. LBOB[BXBSC
    w34QFD͸3VCZͰ࣮૷͞Εͨ಺෦
    %4-
    w؆୯ͳίʔυͰ%4-Λઆ໌͍ͯͨͩ͠
    ͘
    

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23. %4-ʂʁ
    

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24. ͋ʂ34QFD΋ϒϩο
    Ϋ౉ͯ͠Δͷ͔΋
    

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25. 3VCZPO3BJMT͸
    ͪΐͬͱஔ͍ͱ͍ͯɺ
    34QFD %4-
    ͷษڧ͠
    ͯΈΑ͏
    

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26. 34QFDͱ͸Կ͔ʁ
    wϓϩάϥϜͷৼ෣ CFIBWJPVS
    Λه
    ड़͢ΔͨΊͷυϝΠϯಛԽݴޠ
    %PNBJO4QFDJpD
    -BOHVBHF%4-
    Λఏڙ͢ΔϑϨʔ
    ϜϫʔΫ
    

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27. ΍ͬͺΓʂ
    %4-ͳͷ͔ʂʂ
    

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28. ιʔεಡΜͰΈΑ͏
    w͖ͬͱEFTDSJCFؔ਺ͰϒϩοΫΛҾ
    ਺ʹͯ͠Δͱ͜Ζ͕͋Δ͸ͣ
    wEFTDSJCFͰͻͨ͢Β୳͢
    

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29. ιʔεಡΜͰΈΑ͏
    rspec-core/lib/spec/core/dsl.rb
    def describe(*args, &example_group_block)
    RSpec::Core::ExampleGroup.describe(*args,
    &example_group_block).register
    end
    

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30. ιʔεಡΜͰΈΑ͏
    rspec-core/lib/spec/core/dsl.rb
    def describe(*args, &example_group_block)
    RSpec::Core::ExampleGroup.describe(*args,
    &example_group_block).register
    end
    

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31. ιʔεಡΜͰΈΑ͏
    wEFTDSJCFؔ਺ݟ͚ͭͨ
    wҾ਺ͰϒϩοΫ౉ͯ͠Δ
    w͕͜͜34QFDͷग़ൃ఺
    w%4-͕֬ೝग़དྷͨ
    

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32. ෼͔͖ͬͯͨ
    describe Bowling, "#score" do
    it "returns 0 for all gutter game" do
    bowling = Bowling.new
    20.times { bowling.hit(0)}
    bowling.score.should eq(0)
    end
    end
    

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33. ෼͔͖ͬͯͨ
    describe Bowling, "#score" do
    it "returns 0 for all gutter game" do
    bowling = Bowling.new
    20.times { bowling.hit(0)}
    bowling.score.should eq(0)
    end
    end
    

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34. ෼͔͖ͬͯͨ
    describe Bowling, "#score" do
    it "returns 0 for all gutter game" do
    bowling = Bowling.new
    20.times { bowling.hit(0)}
    bowling.score.should eq(0)
    end
    end
    

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35. ෼͔͖ͬͯͨ
    wιʔεΛಡΉ͜ͱͰɺEFTDSJCF͕Կ
    ͯ͠Δ͔෼͔ͬͨ
    wJU΋Կͯ͠Δ͔෼͔ͬͨ
    

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36. ·ͱΊ
    w࠷ॳ͸34QFD࢖͚ͬͯͨͲɺશવͪΜ
    ΀Μ͔Μ΀Μͳঢ়ଶ
    w%4-Λ஌͔ͬͯΒɺ%4-ʹ͍ͭͯ΋ͬ
    ͱ஌Γͨ͘ͳͬͨ
    

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37. ·ͱΊ
    wͪΐ͏Ͳͦͷ࣌ɺݟͯͨ34QFD͕
    %4-ͩͱ͍͏͜ͱΛ஌Δ
    wͦΕ͔Β͸ɺ34QFDͷιʔεಡΜͩ
    Γɺ34QFDʹ͍ͭͯॻ͔Ε͍ͯΔهࣄ
    ΛಡΈ͋͞Δ
    w͖͔͚ͬ͸LBOB[BXBSCͩͬͨ
    

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38. ࣍΁
    wࠓ೔Λ͖͔͚ͬʹ࣍΁
    w%4-
    w34QFD΋ͬͱਂ͘
    w3VCZPO3BJMT
    w#%% 5%%
    wωλ͸ͨ͘͞Μ͋Δ
    

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39. ͋Γ͕ͱ͏͍͟͝·ͨ͠
    

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