RSpecで書かれたテストの高速化 / TokyuRubyKaigi10
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Yuichi Goto
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RSpecͰॻ͔Εͨςετͷ ߴԽ TokyuRubyKaigiɹ2016/05/29 @yasaichi
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ࣗݾհ [1] pry(main)> me => { twitter: "@_yasaichi", github: "yasaichi", blog: "http://web-salad.hateblo.jp" }
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ൃද༰ 1. എܠ 2. ݕ౼ࣄ߲ 3. ݁Ռ 4. ·ͱΊ
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എܠ
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എܠ • “ຊମ”ͷςετʹΊͬͪΌ͕͔͔࣌ؒΔ • ςετέʔε3ສʢهʣɺ1ͩͱ࣌ؒ • CIαʔϏεͰฒྻ࣮ߦͯ͠೫ࡔ46ͷ ΞϧόϜ1ຕௌ͚Δ͘Β͍ͭ
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೫ࡔϑΝϯతʹخ͍͠ ͕ɺϏδωεϚϯతʹخ͘͠ͳ͍ͷͰɾɾɾ
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αʔϏεͷػೳՃɾվળΛ ૉૣ͘ܧଓతʹߦ͏ͨΊʹɺ ςετͷߴԽ͕ඞཁ ʂʂʂ (ʆɾωɾ´)ŝžŕ
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ݕ౼ࣄ߲
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ީิ • ࣍ͷ3ͭͷgemͷར༻Λݕ౼ • parallel_tests • test-queue • RRRSpecʢΫοΫύου͞Μʙʙʣ
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ॴײ1 • test-queue >= parallel_tests • Master-WorkerύλʔϯΛ࠾༻͍ͯ͠ΔͷͰ ֤ϓϩηεͰ࣮ߦ͕࣌ؒภΓʹ͍͘ • ͲͪΒϚγϯεϖοΫͷ੍Λड͚Δ
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ॴײ2 • test-queue ≒ RRRSpec • தنʢ1ͷϚγϯͰेఔʣͳΒ test-queueͷํ͕͓खܰ • େنͳΒࢄ࣮ߦɾεέʔϧΞτʹ ΑΔॊೈͳӡ༻͕ՄೳͳRRRSpec
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ฐࣾͰ • ࠷ॳʹtest-queueΛಋೖͯ͠Έͨ • 16ίΞͷϚγϯͰ16ฒྻͱ͔ͬͯΈͨ ͚Ͳظ͢Δ࣮ߦ࣌ؒʹͳΒͳ͔ͬͨ • ͱ͍͏Θ͚ͰRRRSpecΛಋೖ
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݁Ռ
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͔͜͜ΒΫοΫύου͞Μͷ ճ͠ऀʹͳΓ·͢
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ΊͬͪΌ͘ͳͬͨ • 15ఔ·Ͱॖ • ϦϦʔεαΠΫϧ͕େ෯ʹॖ • ίετ10%ఔݮͨ͠ • ΫοΫύουͳ͠Ͱੜ͖͍͚ͯͳ͍ମʹ
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ͨͩ݁ߏେมͩͬͨ • ͋Μ·Γใ͕ͳ͍ • GitHubʹυΩϡϝϯτ͕͋Δʹ͋Δ͕ ίʔυΛݟͳ͍ͱΘ͔Βͳ͍͜ͱଟ͍ • DockerͰಈ͘αϯϓϧ͋Δ͕͔͜͜Β ࣮ӡ༻࣌ͷߏΛΠϝʔδ͠ʹ͍͘
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ؤுͬͯམͱ͠ࠐΜͩ • https://github.com/yasaichi/rrrspec-tutorial • ฐࣾͰͷ࣮ӡ༻࣌ͷߏʹ͔ͳΓ͍ۙ • ίϛοτΛॱʹ͍ͬͯ͘͜ͱͰҙຯ͕ Θ͔Δͣɾɾɾʂ
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·ͱΊ
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·ͱΊ • ςετ͕͔ͬͨͷͰRRRSpecΛಋೖͨ͠ • CDΞϧόϜ1ຕ -> 15 & ίετݮ • ͨͩɺͦΕͳΓʹେมͩͬͨͷͰΦϨΦϨ αϯϓϧ༻ҙͨ͠Α
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One more thing…
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͓ΘΓ