COOKPAD and Test Automation

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ΫοΫύουͱςετࣗಈԽ JaSST’14 Tohoku

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ߴҪ௚ਓ ΫοΫύουגࣜձࣾ

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ࢲͷཤྺॻ ೥ʙ ϝʔΧʔܥൢࣾ ೥ʙ ΢Σϒ੍࡞ձࣾ ೥ʙ େखγεςϜΠϯςάϨʔλʔ ೥ʙ ωοταʔϏεӡӦձࣾ

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ιϑτ΢ΣΞ඼࣭ͱͷग़ձ͍ ΢Σϒ੍࡞ձࣾͰडୗ։ൃʹैࣄ͍ͯͨ͠ ࢲ͸3VCZͷීٴɾൃలͷͨΊʹେखγε ςϜΠϯςάϨʔλ΁ͱస৬ͨ͠ͷ͕ͩɺ ԿͷҼՌ͔ιϑτ΢ΣΞඪ४Խ෦໳ʹ഑ଐ ͞ΕΔ͜ͱʹͳͬͨͷͩͬͨʜʜɻ

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݄ؒϢχʔΫϒϥ΢β਺ ສ ສ ສ ສ ສ ສ ݄ ݄ ݄ ݄ ݄ ݄ ݄ ݄ ݄ ݄ ݄ ݄ ݄ 1$ ϞόΠϧ ສ6# ʢ೥݄ظୈ࢛൒ظܾࢉิ଍આ໌ࢿྉʣ

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εϚϗΞϓϦྦྷܭ%-਺ ύζυϥ ສɺࠇೣ ສ J04 ສ "OESPJEສ ʢ೥݄࣌఺ʣ

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౤ߘϨγϐ਺ ສ ສ ສ ສ ສ ສ ສ ݄ ݄ ݄ ݄ ݄ ݄ ݄ Ϩγϐ਺ ສ඼ ʢ೥݄ظୈ࢛൒ظܾࢉิ଍આ໌ࢿྉʣ

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ΫοΫύουͷϢʔβʔ உੑ ঁੑ ঁੑ உੑ ੑผ ୅Ҏ্ ୅ ୅ ୅ ୅ҎԼ ୅ҎԼ ୅ ୅ ୅ ୅Ҏ্ ೥୅ʢঁੑʣ ʢ೥݄࣌఺ʣ

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. . . . . 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 ձһࣄۀ ޿ࠂࣄۀ ͦͷଞ ࢛൒ظച্ߴ ඦສԁʢ࿈݁ʣ ʢ೥݄ظୈ࢛൒ظܾࢉิ଍આ໌ࢿྉʣ

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ΞϓϦέʔγϣϯߏ੒ʢ8FCʣ MySQL Redis Memcached Unicorn Rails 3.2 Ruby 2.0 nginx Amazon Web Service Apache

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ΞϓϦέʔγϣϯن໛ʢ8FCʣ w Ϟσϧɹɹɹɹɹɹɹʜ Ϋϥε w ίϯτϩʔϥʔɹɹɹʜΫϥε w ϏϡʔςϯϓϨʔτɹʜ ϑΝΠϧ w ϧʔςΟϯάఆٛɹɹʜ ߦ w 34QFD&YBNQMF਺ɹɹʜ ݸ w σϓϩΠճ਺ɹɹɹɹʜճҎ্ʗ೔ ʢ೥݄೔࣌఺ʣ

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࠷ߴʹ͓͍͍͠ʮνϣίϨʔτέʔΩʯ͸ Ͳ͏΍ͬͨΒͰ͖Δ͔Λߟ͍͑ͯͩ͘͞ɻ

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ʮຖ೔ͷྉཧΛָ͠Έʹʯ͸ Ͳ͏΍ͬͨΒͰ͖Δ͔Λߟ͍͑ͯͩ͘͞ɻ

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ࣦഊ͢Δ΍Γํ ָ͠ΈʹͳΔͨΊͷཁ݅Λఆٛ͢Δ ্هΛຬͨ͢ػೳΛઃܭ͢Δ ιϑτ΢ΣΞΛ࣮૷͠ɺςετ͢Δ

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ͳࣦͥഊ͢Δͷ͔ʁ ָ͠ΈʹͳΔͨΊͷཁ݅Λఆٛ͢Δ ্هΛຬͨ͢ػೳΛઃܭ͢Δ ιϑτ΢ΣΞΛ࣮૷͠ɺςετ͢Δ ʮଥ౰ੑ֬ೝʯͷϓϩηε͕ͳ͍

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̫ˍ̫ʢݕূͱଥ౰ੑ֬ೝʣ w ݕূ  ٬؍తূڌΛఏࣔ͢Δ͜ͱʹΑͬͯɺنఆཁٻࣄ߲ ͕ຬͨ͞Ε͍ͯΔ͜ͱΛ֬ೝ͢Δ͜ͱɻ w ଥ౰ੑ֬ೝ  ٬؍తূڌΛఏࣔ͢Δ͜ͱʹΑͬͯɺಛఆͷҙਤ͞ Εͨ༻్ຢ͸ద༻ʹؔ͢Δཁٻࣄ߲͕ຬͨ͞Ε͍ͯ Δ͜ͱΛ֬ೝ͢Δ͜ͱɻ

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̫ࣈϞσϧͱ̫ˍ̫ ଥ౰ੑ֬ೝ ཁ݅ఆٛ جຊઃܭ ৄࡉઃܭ ࣮૷ɾ୯ମςετ ݁߹ςετ γεςϜςετ ड͚ೖΕςετ اը ධՁ ݕূ

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̫ࣈϞσϧͱ੹೚෼ք఺ʢ༨ஊʣ ൃ஫ଆൣғ ཁ݅ఆٛ جຊઃܭ ৄࡉઃܭ ࣮૷ɾ୯ମςετ ݁߹ςετ γεςϜςετ ड͚ೖΕςετ اը ධՁ डୗଆൣғ डୗ։ൃͰଥ౰ੑ֬ೝ͕ ࿩୊ʹͳΒͳ͍ཧ༝ ਖ਼֬ʹ͸ཁ݅ఆٛɾड͚ೖ Εςετ͸ൃ஫ଆ੹೚

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੒ޭ͢Δ΍Γํ ιϑτ΢ΣΞΛ͔ͭͬͯ΋Β͏ ָ͠Έʹͳ͔ͬͨΛௐ΂Δ Ͳ͏΍ͬͨΒ΋ͬͱָ͠ΈʹͳΔ ιϑτ΢ΣΞΛͭ͘ΕΔ͔ߟ͑Δ

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σΠϒɾτʔϚεᐌ͘ɺ " 8IFSFEPXFXBOUUPCF # 8IFSFBSFXF $ )PXEPXFJNQSPWFPVSQSPDFTT 5IJTJT"HJMJUZ5IFSFJTOPNPSF

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ཁٻຬ଍ͷࣄޙੑ ιϑτ΢ΣΞ͕ཁٻΛຬ͍ͨͯ͠Δ͔͸ɺ ιϑτ΢ΣΞΛ࢖Θͳ͍ͱ൑அͰ͖ͳ͍ɻ

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΋͠ɺ͓٬͞·ʹ๬Ή΋ͷΛฉ͍͍ͯͨΒɺ ͓٬͞·͸ʮ΋ͬͱ଎͍അ͕ཉ͍͠ʯͱ  ౴͍͑ͯͨͩΖ͏ɻ ϔϯϦʔɾϑΥʔυʦཁग़యʧ

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୭͕ސ٬ͳͷ͔͕Θ͔Βͳ͚Ε͹ɺԿ͕඼ ࣭ͳͷ͔΋Θ͔Βͳ͍ɻ ΤϦοΫɾϦʔεʰϦʔϯελʔτΞοϓʱ ඼࣭͸୭͔ʹͱͬͯͷՁ஋Ͱ͋Δɻ δΣϥϧυɾϫΠϯόʔάʰιϑτ΢ΣΞจԽΛ૑Δ̍ʱ

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ߏங͢Δ ܭଌ͢Δ ֶͿ ੡඼ σʔλ ΞΠσΞ ߏஙɾܭଌɾֶशͷϧʔϓ ͜ͷϧʔϓʹཁ͢Δ࣌ؒΛ࠷খԽ͢Δ

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ϧʔϓʹཁ͢Δ࣌ؒΛ࠷খԽ͢Δʹ͸ʁ ʢʹιϑτ΢ΣΞͷͭ͘Γํͷվળʣ

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ࣦഊ͢Δ΍Γํ ։ൃϓϩηεඪ४Λఆٛ͢Δɻ ։ൃϓϩηεඪ४ΛϓϩδΣΫτຖʹ ςʔϥϦϯά͢Δɻ

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ͳࣦͥഊ͢Δͷ͔ʁ ։ൃϓϩηεඪ४Λఆٛ͢Δɻ ։ൃϓϩηεඪ४ΛϓϩδΣΫτຖʹ ςʔϥϦϯά͢Δɻ ݱ࣮ͷ։ൃϓϩηεͷվળͰ͸ͳ͍

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੒ޭ͢Δ΍Γํ ϦϦʔεՄೳͳঢ়ଶʹ͢Δ ιϑτ΢ΣΞΛ։ൃ͢Δ มߋΛՃ͔͑ͯΒϦϦʔεՄೳͳ ঢ়ଶʹͳΔ·ͰͷແବΛͳ͘͢

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ιϑτ΢ΣΞੜ࢈ੑ ιϑτ΢ΣΞͷੜ࢈ੑΛ޲্ͤ͞ΔͨΊͷ ޮՌతͳख๏͸͓Αͦࡾͭʹ෼ྨ͞ΕΔɻ w ෦඼Խʜͭ͘Βͳ͍Α͏ʹ͢Δ w ࣗಈԽʜ͠ͳ͍Α͏ʹ͢Δ w ՄࢹԽʜΘ͔ΔΑ͏ʹ͢Δ

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ܧଓతσϦόϦʔ ܧଓతσϦόϦʔ͸ιϑτ΢ΣΞ։ൃʹ͓ ͚Δن཯ͷͻͱͭͩɻʜʜܧଓతσϦό ϦʔΛ࣮ݱ͢Δʹ͸ɺ։ൃνʔϜ͕ιϑτ ΢ΣΞΛܧଓతʹ౷߹͠ɺ࣮ߦϑΝΠϧΛ Ϗϧυ͠ɺ͞ΒʹͦΕΛࣗಈతʹςετ ͯ͠໰୊Λݕग़͢Ε͹͍͍ɻ IUUQDBQTDUSMRVFKQLENTOSXJLJCMJLJ $POUJOVPVT%FMJWFSZ

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ࣗಈςετͱඅ༻ରޮՌʢ༨ஊʣ ςετࣗಈԽ͸։ൃϓϩηεͷϜμऔΓͰ ͋Γɺͦ΋ͦ΋ϜμऔΓʹඅ༻ରޮՌͱ͍ ͏֓೦͸͏·Εͳ͍ʢΩϦοʣ

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σϓϩΠϝϯτύΠϓϥΠϯ ੒Ռ෺ϦϙδτϦ όʔδϣϯίϯτϩʔϧ ιʔείʔυ ઃఆ ίϛοτεςʔδ ड͚ೖΕεςʔδ ड͚ೖΕςετ ؀ڥઃఆɺσϓϩΠɺ εϞʔΫςετ ੑೳςετ ؀ڥઃఆɺσϓϩΠɺ εϞʔΫςετ ຊ൪؀ڥ ؀ڥઃఆɺσϓϩΠɺ εϞʔΫςετ ίϯύΠϧ ίϛοτςετ ੒Ռ෺࡞੒ ίʔυղੳ ؀ڥઃఆ σϓϩΠ εϞʔΫςετ ड͚ೖΕςετ ઃఆ +F[)VNCMFɺ%BWJE'BSMFZʰܧଓతσϦόϦʔʱ

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ΫοΫύουͷύΠϓϥΠϯ Source Code Review Continuous Integration Production Test Developement Production GitHub Git Repository merge pull req pull tag deploy deploy

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Developer Machine Redis Shared Development MySQL EC2 Ruby on Rails memcached Remote Spec Workers remote_spec worker remote_spec worker GitHub Enterprise LAN Tokyo Tyrant Development App Server push rspec deploy HipChat ϩʔΧϧͷ։ൃ؀ڥ

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։ൃऀʹΑΔςετ 34QFDʹΑΔςετ  ୯ମςετπʔϧʹΑͬͯɺσʔλϕ ʔε΋ؚΊͨςετΛ͢Δ $BQZCBSBʹΑΔςετ  ը໘ͳ͠ͷ΢Σϒϒϥ΢βΛ༻͍ͯɺ γφϦΦϕʔεͷςετΛ͢Δ

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։ൃऀςετɾ2"ςετʢ༨ஊʣ ։ൃऀςετͱ2"ςετ͸ରཱతͳ֓೦ Ͱ͸ͳ͘ɺςετͷ͋Δଆ໘ʹ͗͢ͳ͍ɻ ෼ྨ͋Γ͖Ͱߟ͑ΔͷͰ͸ͳ͘ɺϦϦʔε ·ͰʹԿ͕ඞཁ͔Λߟ͑Α͏ɻ

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34QFDͷಛ௃ ;Δ·͍ۦಈ։ൃʢ#%%ʣͷͨΊͷςες ΟϯάϑϨʔϜϫʔΫɻ w σϑΝΫτελϯμʔυͰ͋Δ w ςετίʔυΛߏ଄Խ͠΍͍͢ w ΤίγεςϜ͕ॆ࣮͍ͯ͠Δ

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34QFDʹΑΔςετ describe SymbolStack do ... context 'when stack is empty' do subject(:empty_stack) { SymbolStack.new } describe '#size' do it { expect(empty_stack.size).to eq 0 } end

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$BQZCBSBʹΑΔςετ feature 'User login' do scenario 'successful login' do visit login_path fill_in 'Login', with: 'user@example.com' fill_in 'Password', with: 'password' click_link 'Submit' expect(current_path).to root_path end

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LAN EC2 CI Server Git Repository Production Test HipChat tag pull notify deploy Development DB schema Remote Spec distribute Git Repository clone pusher service hook pull push Developer merge ιʔείʔυͷྲྀΕ

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ίʔυϨϏϡʔ Team Pull Request Owner Developer Developer review open merge review ίʔυϨϏϡʔ͸νʔϜ୯ҐͰߦͳ͏͕ɺ શһ͕ϨϏϡʔ͢Δ͜ͱ΋Ͱ͖Δɻ

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Repository Product Support Product Manager Issue Developer UI/UX Designer Pull Request file file review open open (JU)VC&OUFSQSJTFͷར༻ ΤϯδχΞҎ֎ʹ΋σβΠφʔ৬ɺσΟϨ Ϋλʔ৬ɺαϙʔτ৬ͳͲ

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$*αʔόʮ͓Ή͖Μ͢ʯ IUUQTHJUIVCDPNNBTBOPCVJNBJFNPUJPOBMKFOLJOTQMVHJO

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$*࣌ؒʹؔ͢Δܦݧଇ ։ൃऀ͸े෼ʹၗຫͳͷͰɺ ෼ͰΠϥΠϥ͠ɺ෼ͰΩϨΔɻ

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$*Λૣ͘͢Δ޻෉ ϚϧνϓϩηεԽʢQBSBMMFM@UFTUTʣ ෼ࢄԽ ୈ̍ੈ୅SFNPUF@TQFD ୈ̎ੈ୅SFNPUF@TQFD ୈ̏ੈ୅3334QFD

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3334QFDͷಛ௃ εϙοτΠϯελϯεΛར༻ ϓϩηεఀࢭ͔Βͷࣗಈ෮ؼ ࣦഊͨ͠ςετͷࣗಈ࠶࣮ߦ ςετ࣮ߦॱংͷ࠷దԽ ௕͍ςετͷ౤ػత࣮ߦ Φʔϓϯιʔε IUUQTHJUIVCDPNDPPLQBESSSTQFDCMPCNBTUFS%&4*(/NE

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Master Slave Worker Slave Slave Worker ʜ ʜ DB 3334QFDͷߏ੒ &YBNQMF਺ʜ໿ εϨʔϒ਺ʜ໿୆ ϫʔΧʔ਺ʜ໿ฒྻ ࣮ߦ࣌ؒɹʜ໿෼

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ςετͷ඼࣭ ػೳͷՁ஋͸ϦϦʔεͯ͠ॳΊͯΘ͔Δ ʹςετʹա৒ͳઌߦ౤ࢿ͸Ͱ͖ͳ͍ w ςετઃܭ޻ఔΛಠཱͯ͠ઃ͚ͳ͍ w ։ൃ޻ఔͷ͋ͱͷςετ޻ఔ͸ͳ͍ ຊ൪؀ڥͰͷμϝʔδίϯτϩʔϧ͕ॏཁ

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σϕϩούʔͱϢʔβʔͷίϛϡχέʔγ ϣϯ΍ίϥϘϨʔγϣϯΛ્Ήน΋ͳ͘ͳ ͬͨɻόάͷण໋͸ɺ਺ϲ݄͔Β਺෼ʹ୹ ॖ͞Εͨɻ ̟ɾ΢ΟςΧʔɺ̟ɾΞʔϘϯɺ̟ɾΩϟϩʔϩ  ʰςετ͔Βݟ͑ͯ͘Δάʔάϧͷιϑτ΢ΣΞ։ൃʱ

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ͱɺ͍͏͓࿩ͩͬͨͷ͞ʜʜ

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ϞόΠϧΞϓϦέʔγϣϯ w ΑΓϢʔβʔΤΫεϖϦΤϯε͕ॏཁʹ w Ϧονͳ6*ɺෳࡶͳঢ়ଶͷςετ w ΞϓϦέʔγϣϯσϦόϦʔ໰୊͕࠶೩ w ෳ਺όʔδϣϯ͕ซଘ w ϦϦʔεϑϩʔͷ࠶ߏங w ϦϦʔεظؒɺςετϑΣʔζ

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෮श໰୊ ສճʹճɺສԁ͕౰ͨΔεϩοτϚ γϯ͕͋Δ΋ͷͱ͠·͢ɻ͜ͷεϩοτϚ γϯͰ༡Ϳͱ͖ɺճ͋ͨΓ͍͘Βίετ Λ͔͚Δ΂͖͔ߟ͍͑ͯͩ͘͞ɻ

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·ͱΊ w Ϣʔβʔͷཁٻ͸ɺϦϦʔεͯ͠ॳΊͯ ෼͔Δɻ w ߏஙɾܭଌɾֶशͷϧʔϓʹཁ͢Δ࣌ؒ Λ࠷খԽ͠ͳ͚Ε͹ͳΒͳ͍ɻ w ϦϦʔε·ͰͷϓϩηεΛఆٛ͠ɺͦ͜ ͔ΒແବΛऔΓআ͘ɻ