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Ruby2.1ͷRefinementsͰ࡞Δ SpockϥΠΫͳςετߏจ ڮཱ༑޺@joker1007

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!KPLFS 3VCZ3BJMT4DBMB ! :PLPIBNBSC 4IJCVZBSC "TBLVTBSC 5%%#$

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ؔ੢ਓͰ͢

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Refinements

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ར༻Λએݴͨ͠ίϯςΩετͰͷΈ ϝιου͕ఆٛ͞ΕΔ

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• Ruby 2.0͔Β௥Ճ (experimental) • Ruby 2.0ͷrefinements͸τοϓϨϕϧͷΈ • Ruby 2.1͔Βexperimental͡Όͳ͘ͳͬͨ • Ruby 2.1͔ΒΫϥεείʔϓͰએݴͰ͖ΔΑ͏ʹͳͬͨ

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Ruby 2.1͔Β͸͜͏ॻ͚Δ

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Կ͕خ͍͠ͷ͔

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૊ΈࠐΈΫϥεͷ ϝιουΛ্ॻ͖ͯ͠΋ ӨڹൣғΛݶఆͰ͖Δ DSLॻ͖์୊ʂ

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࣮ࡍ͸ͦΕͳΓʹ੍ݶ͕…

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ຊ୊

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RSpec

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Spock

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Spock Cool !!

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RefinementsͰ RSpecΛͦΕͬΆ͘ॻ͘

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rspec-parameterized https://github.com/tomykaira/rspec-parameterized

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ͦΕͬΆ͍ʂ

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ԿΛ΍͍ͬͯΔͷ͔ • binding_of_callerͰݺͼग़͠ݩͷbindingΛऔಘ͢Δ • evalͯ͠ݺͼग़͠ݩͷExampleGroupͷΠϯελϯε Λऔಘ͢Δ • ݺͼग़͠ݩͷΠϯελϯεʹύϥϝʔλʔอ࣋ͷͨ ΊͷΠϯελϯεม਺Λಈతʹఆٛ͢Δ • ΦϒδΣΫτΛϥοϓͯ͠Πϯελϯεม਺ʹύϥ ϝʔλʔΛ௥Ճ͍ͯ͘͠ • RSpecͷdescribe͸࣮͸Ϋϥεͷఆٛͱಉ͡ͳͷͰ using͕ར༻Ͱ͖Δ

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ࠇຐज़ͩΒ͚ ͔͠΋૊ΈࠐΈϝιουΛ উखʹ࠶ఆٛ ! Ͱ΋usingͯ͠ͳ͍Օॴʹ͸ Ұ੾Өڹແ͠

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·ͱΊ

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• Ruby 2.1͔ΒRefinementsͷ੍ݶ͕গ͠؇͘ ͳͬͨ • Refinements͸ϝιουఆٛͷࣗ༝౓Λ޿͛ͯ ͘ΕΔ • ૊ΈࠐΈϝιου΍໊લඃΓΛؾʹͤͣDSLΛ ఆٛͰ͖Δ • ·ͩusingએݴͷ੍໿͕ଟ͍ͷͰɺࠓޙͷਐԽʹ ظ଴

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Let’s Refine !!