UI TestやVisual Regression Testをコスパ良くやる

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6*5FTU΍7JTVBM3FHSFTTJPO5FTUΛ ίεύྑ͘΍Δ גࣜձࣾϊϋφɹ੉ށ༏೭

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)JSP:6,*4FUP גࣜձࣾϊϋφ .PCJMF5FDI-FBE "OESPJE&OHJOFFS

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͓͜ͱΘΓ w ӡ༻ͷ࿩͕ଟΊ w ۩ମతͳ࣮૷͸ࢀߟࢿྉΛࢀর w ౰ͨΓલͷ࿩͕΄ͱΜͲ w جૅ͸େࣄ

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ςετͷίετύϑΥʔϚϯε

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ςετͷίετύϑΥʔϚϯε w ΑΓଟ͘ͷճ਺࢖ΘΕΔ͜ͱ w ਓؒͷ࡞ۀ͕ݮΔ͜ͱ w Ͱ͖ͳ͔ͬͨ͜ͱ͕Ͱ͖ΔΑ͏ʹͳΔ͜ͱ

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Ͱ͖ͳ͔ͬͨ͜ͱ͕Ͱ͖ΔΑ͏ʹͳΔ w 7JTVBM3FHSFTTJPO5FTUͰͷQY୯Ґͷݫີͳ൑ఆ w ໷ؒ ۀ຿࣌ؒ֎ ͷςετ࣮ߦ w 6*5FTU͕ॆ࣮͢Ε͹໷ؒʹ؆қ2"Λ΍͍ͬͯΔΑ͏ͳ΋ͷ

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6*5FTUͷίεύ

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6*5FTUͷίεύ w 6*5FTUͷίεύ㲈ଟ͘ͷճ਺࢖͑Δ͔Ͳ͏͔㲈յΕʹ͘͞

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ίεύͷѱ͍6*5FTU w 6*ߏ଄͕େ͖͘มΘΔ༧ఆ͕͋Δը໘ w ͨͩ͠ผը໘ʹػೳΛҠ২͢Δ৔߹ͳͲ͸࢖͍ճͤΔ w ΞϓϦ֎Ͱมߋ͞ΕΔՄೳੑ͕͋Δը໘ w 8FC7JFX w αʔόʔͷΤϥʔϨεϙϯεΛͦͷ··දࣔ

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ίεύͷ͍͍6*5FTU w 6*ߏ଄͕େ͖͘มΘΒͳ͍ը໘ w ΞʔΩςΫνϟมߋɺσβΠϯඍमਖ਼ͳͲ w ୯७࡞ۀͷૢ࡞͕ଟ͍ը໘ w ҟৗܥͷςετ

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7JTVBM3FHSFTTJPO5FTUͷίεύ

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735ͷίεύ w 6*5FTUΑΓ΋յΕʹ͍͘ w εΫγϣΛऔΔ͚ͩ w ࠩ෼͕ग़͔ͨΒͱݴͬͯѱ͍༁Ͱ͸ͳ͍ w 6*Λमਖ਼͢Ε͹ࠩ෼͕ग़Δ

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ࠩ෼͕ͳ͍͜ͱͷ֬ೝ w ௨ৗͷϦϑΝΫλϦϯά w 6*มߋ͕ͳ͍ΞʔΩςΫνϟมߋ w 7JFXϥΠϒϥϦͷΞοϓσʔτ w ϨΠΞ΢τͷϦϑΝΫλϦϯά $POTUSBOU-BZPVUԽ

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ࠩ෼͕͋Δ͜ͱͷ֬ೝ w ৽ػೳ࣮૷ w σβΠϯมߋ w σβΠϯϨϏϡʔʹ΋࢖͑Δ

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ࠩ෼͕͋Δͳ͍͜ͱͷ֬ೝ w มߋ͕ى͜Δ͔΋͠Εͳ͍मਖ਼ w .%$Ξοϓσʔτ w .%$5IFNFԽ w 5BSHFU4EL7FSTJPOߋ৽

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ίεύͷ͍͍ಋೖ

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ը໘ͷબఆ w ಋೖ͔࣌ΒؤுΒͳ͍ w ௨৴͕ͳ͍ɺݻఆϨΠΞ΢τͷը໘͔Βಋೖ͢Δ w 3FDZDMFS7JFX΋஫ҙ w ϨΠΞ΢τ͕஗͍৔߹ʹ fl BLZͳςετʹͳΔ͔΋

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6*5FTUಋೖୈҰา w ϘλϯΛԡͨ͠ΒμΠΞϩά͕ग़Δ w Ϧετͷ߲໨Λλοϓͨ͠Βผͷը໘ʹભҠ͢Δ w ෆਖ਼ͳϝʔϧΞυϨεܗࣜΛೖྗ͢ΔͱϘλϯ͕EJTBCMFʹͳΔ

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ίεύͷ͍͍ಋೖ w ಋೖ͕؆୯ͳը໘͔Βಋೖ͢Δ w ˠUFTUͷ6UJMJUZΫϥεͳͲΛ֦ॆͤ͞Δ w ˠUFTUBCJMJUZΛ޲্ͤ͞ΔΑ͏ͳઃܭʹ͍ͯ͘͠ w ˠෳࡶͳը໘΋ରԠ͢Δ

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ಋೖ w 6*5FTU͕$*Ͱಈ͍͍ͯΔ w ˠ7JTVBM3FHSFTTJPO5FTU΋ಋೖ͠΍͍͢ w 6*5FTU΋7JTVBM3FHSFTTJPO5FTU΋ͳ͍ w ˠͲͪΒ͔Βಋೖͯ͠΋͍͍ w ؀ڥߏங͸6*5FTUָ͕ɺςετίʔυ͸735ָ͕ w ԿΛςετ͍͔ͨ͠ͰܾΊΔ

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ಋೖͷ൑அ w 6*5FTU w 6*ߏ଄͕େ͖͘มΘΔ༧ఆ͸ͳ͍͔ w ςετࣗಈԽͯ͠ϝϦοτ͕ग़Δ͔ w 7JTVBM3FHSFTTJPO5FTU w ࠩ෼͕͋Δͳ͠Λ֬ೝ͢ΔΑ͏ͳमਖ਼͕͋Δ͔

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ӡ༻ w ௨ৗͷ13Ͱ͸6OJU5FTU͚ͩճ͢ w ࣮ߦ࣌ؒ୹ॖͷͨΊ w 6*5FTU΍735͸τϦΨʔͰճͤΔΑ͏ʹ͢Δ w ϒϥϯν໊ͳͲ w ໷ؒఆظ࣮ߦͳͲͰ6*5FTU΍735Λճ͢

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஫ҙ఺ w ςετͷόϥϯεΛҙࣝ͢Δ w 6OJU5FTUͰͰ͖Δ͜ͱ͸6OJU5FTUͰ w 6*5FTUΛ΍Γ͗͢ͳ͍ IUUQTEFWFMPQFSBOESPJEDPNUSBJOJOHUFTUJOHGVOEBNFOUBMT

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ࢀߟࢿྉ w "OESPJEͷΞϓϦ։ൃͰ΋7JTVBM3FHSFTTJPO5FTUJOHΛ࢝Ί·͠ΐ͏ w IUUQTDBUTXFCBQQWJTVBMSFHSFTTJPOUFTUJOHXJUIBOESPJE w "OESPJEεΫϦʔϯγϣοτςετͭͷϓϩμΫτʹಋೖ͢ΔதͰ౗͖ͯͨ͠՝୊ w IUUQTTQFBLFSEFDLDPNULNO[NBOESPJETDSFFOTIPUUFTUQSPCMFNTTPMWFE CZJOUSPEVDJOHJOUPQSPEVDUT w %SPJE,BJHJ"OESPJEͰ΋ϏδϡΞϧϦάϨογϣϯςετΛ͸͡ΊΑ͏ w IUUQTTQFBLFSEFDLDPNLFJESPJEESPJELBJHJ BOESPJEEFNPCJ[JZVBSVSJHVSFUVTJZPOUFTVUPXPIB[JNFZPV