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Snapshot Testingってやつがあってな at PHP勉強会
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Kazuki Higashiguchi
February 28, 2018
Technology
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Snapshot Testingってやつがあってな at PHP勉強会
第123回 PHP勉強会@東京 で発表した祭の資料です。
https://qiita.com/Khigashiguchi/items/1c50105aff2c8acf45d5
Kazuki Higashiguchi
February 28, 2018
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Transcript
ୈճ1)1ษڧձ!౦ژ #"4&גࣜձࣾ ౦ޱᏻʢ!,IJHBTIJHVDIJʣ 4OBQTIPU5FTUJOH͕ͬͯͭ͋ͬͯͳ
ࣗݾհ !,IJHBTIJHVDIJ౦ޱᏻ w ॴଐɿ#"4&גࣜձࣾ #"4&1SPEVDU%JWJTJPOαʔόαΠυΤϯδχΞ w 1)1 $BLF1)1 w
ࣄɿܾࡁ։ൃɺ1)1ɾ$BLF1)1ͷόʔδϣϯΞοϓ
Έͳ͞Μ
طଘͷίʔυʹςετ͋Δ ڥͰ͔͢ʁ
ແ͍ͱͭΒ͘ͳ͍Ͱ͔͢
Ͱɺςετॻ͍͔ͯΒϦ ϑΝΫλϦϯά͍ͨ͠
͔ͯɺςετ͕ແ͍ίʔυ ΛϦϑΝΫλϦϯάͨ͘͠ ͳ͍
ͱ͍͑ɺ༷શ༰Λཧղ ͯ͠ςετॻ͘ͷ݁ߏͳ ͠ΜͲ͞
طଘͷৼΔ͍อূ͢Δς ετΛগ͠Ͱָʹॻ͚Δ ํ๏ͳ͍ͩΖ͏͔
4OBQTIPU5FTUJOH
4OBQTIPU5FTUJOH 'BDFCPPL+4ϑϨʔϜϫʔΫɿ+FTUͷػೳ͕༗໊
4OBQTIPU5FTUJOH w ࠷ॳͷςετ࣮ߦ࣌ʹςετέʔεͷΞτϓοτ͕อଘʢε φοϓγϣοτʣ͞ΕΔ w εφοϓγϣοτΛࢹͰ֬ೝͯ͠ظ௨ΓͳΒ0, w ճҎ߱ΞτϓοτͱεφοϓγϣοτΛൺֱͯ͠Ұ க͍ͯ͠Εςετ͕௨Δ w
1)16OJU༻ͷϥΠϒϥϦΛ࡞ͬͯ͘ΕͯΔਓ͕͍Δ w HJUIVCDPNTQBUJFQIQVOJUTOBQTIPUBTTFSUJPOT IUUQTRJJUBDPNLFOUUJUFNTDGFEFEF
ྫɿbIFMMPXPSME`Λฦ͢"1* IUUQTRJJUBDPN,IJHBTIJHVDIJJUFNTDBGGDBDGE ˣϨεϙϯε݁ՌΛҾʹ͚ͩ͢
ྫɿbIFMMPXPSME`Λฦ͢"1* IUUQTRJJUBDPN,IJHBTIJHVDIJJUFNTDBGGDBDGE ˣॳճ࣮ߦ݁Ռ ͜ͷஈ֊ͰɺBTTFSUJPOߦΘΕͯͳ͍ɻ
ྫɿbIFMMPXPSME`Λฦ͢"1* IUUQTRJJUBDPN,IJHBTIJHVDIJJUFNTDBGGDBDGE @@TOBQTIPUT@@ͱ͍͏σΟϨΫτϦ͕ग़ݱ ςετέʔεͷΞτϓοτ͕อଘʢεφοϓγϣοτʣ͞ΕΔ w εφοϓγϣοτΛࢹͰ֬ೝͯ͠ظ௨ΓͳΒ0,
ྫɿbIFMMPXPSME`Λฦ͢"1* IUUQTRJJUBDPN,IJHBTIJHVDIJJUFNTDBGGDBDGE ճҎ߱ΞτϓοτͱεφοϓγϣοτΛൺֱ w όά͕ࠞೖͯ͠Կ͔݁Ռ͕มΘͬͨΒςετ͕མͪΔɻ w มΘ͍ͬͯΔ͜ͱ͕ظͷ߹ɺ ɹEVQEBUFTOBQTIPUTΛ͚ͭͯςετ࣮ߦ͢Εɺ ɹεφοϓγϣοτ͕ߋ৽͞ΕΔɻ
༻ҙ͞ΕͯΔϝιουҰཡ IUUQTRJJUBDPN,IJHBTIJHVDIJJUFNTDBGGDBDGE
Αͦ͞͏ͳͱ͜Ζ w ςετΛॻ͕͘ݮͰ͖ͦ͏ w ظΛఆٛ͢Δ࣌ؒݮɻߦͷେ͖͍݁Ռ͕ظͷ࣌ ͔ͳΓָʹͳΔͷͰɻ w ςετίʔυࣗମ͖ͬ͢Γ͢Δ w ༷͕͔Βͳͯ͘ςετ͕ॻ͚Δ
Αͦ͞͏ͳͱ͜Ζ ˠطଘͷৼΔ͍อূ͢Δςετͱͯ͠ͷׂ ͋ΔఔՌָͨͭͭ͠Ͱ͖Δɻ
ݒ೦ w εφοϓγϣοτϑΝΠϧͷཧ w ܻݸͷεφοϓγϣοτ͕Ұͭͷ@@TOBQTIPUT@@ʹอ͞Εͯͨ Β͔ͳΓਏͦ͏ɻ w ෳͷεφοϓγϣοτͰςετ͕མͪΔ࣌ w εφοϓγϣοτ͕ਖ਼͍͠έʔεͱίʔυͷํ͕ਖ਼͍͠έʔε͕ࠞ
ࡏͨ͠ͱ͖ͷΓ͚͕ඞཁʹͳΔ
ݒ೦ ˠͲ͜·ͰεφοϓγϣοτςετͰৼΔ͍Λ อূ͢Δ͖͔ݕ౼͕ඞཁɻ
+FTUʹ͓͚Δ 4OBQTIPU5FTUJOHͱ
+FTUʹ͓͚Δ4OBQTIPU5FTUJOH IUUQTGBDFCPPLHJUIVCJPKFTUEPDTKBTOBQTIPUUFTUJOHIUNM
+FTUʹ͓͚Δ4OBQTIPU5FTUJOH ɾεφοϓγϣοτςετ୯ମςετΛସ͢ΔͷͰ͔͢ʁ εφοϓγϣοτςετJestʹؚ·ΕΔ̎̌Ҏ্ͷΞαʔγϣϯͷ̍ͭʹա͗·ͤΜɻ εφοϓγϣοτςετͷͶΒ͍طଘͷ୯ମςετΛସ͢Δ͜ͱͰͳ͘ɺՃͷς ετ݁ՌΛఏڙͯ͠ςετʹ͓͚Δ࡞ۀෛ୲ΛݮΒ͢͜ͱͰ͢ɻ Ұ෦ͷγφϦΦͰεφο ϓγϣοτςετಛఆͷػೳηοτʢྫ: Reactίϯϙʔωϯτʣʹ͓͚Δ୯ମςετͷ ඞཁੑΛऔΓڈΔՄೳੑ͕͋Γ·͕͢ɺฒߦͯ͠ར༻͢Δ͜ͱͰ͖·͢ɻ IUUQTGBDFCPPLHJUIVCJPKFTUEPDTKBTOBQTIPUUFTUJOHIUNM
+FTUʹ͓͚Δ4OBQTIPU5FTUJOH ɾεφοϓγϣοτςετ୯ମςετΛସ͢ΔͷͰ͔͢ʁ εφοϓγϣοτςετJestʹؚ·ΕΔ̎̌Ҏ্ͷΞαʔγϣϯͷ̍ͭʹա͗·ͤΜɻ εφοϓγϣοτςετͷͶΒ͍طଘͷ୯ମςετΛସ͢Δ͜ͱͰͳ͘ɺՃͷς ετ݁ՌΛఏڙͯ͠ςετʹ͓͚Δ࡞ۀෛ୲ΛݮΒ͢͜ͱͰ͢ɻ Ұ෦ͷγφϦΦͰεφο ϓγϣοτςετಛఆͷػೳηοτʢྫ: Reactίϯϙʔωϯτʣʹ͓͚Δ୯ମςετͷ ඞཁੑΛऔΓڈΔՄೳੑ͕͋Γ·͕͢ɺฒߦͯ͠ར༻͢Δ͜ͱͰ͖·͢ɻ IUUQTGBDFCPPLHJUIVCJPKFTUEPDTKBTOBQTIPUUFTUJOHIUNM
ˠ͋͘·Ͱɺ୯ମςετͷBTTFSUJPOͷҰͭɻ εφοϓγϣοτςετॻ͍͔ͨΒͱݴͬͯຬ͍͚ͯ͠ͳ͍ɻ
ͱ͍͑ w */165ʹର͢Δ065165Λอূ͢ΔͰ͖Δػೳ ༗ӹɻ w ίϯτϩʔϥʔείʔϓͷ͍ςετέʔεʹ ߜΔͷ͕ྑ͍ॴײɻ w ϦϑΝΫλϦϯάɾઈೲظҊ݅ɾόʔδϣϯ Ξοϓࢪࡦͷࡍʹྗڧ͍ຯํʹͳͬͯ͘Εͦ͏ɻ
൵ใ
ಈ࡞ڥ 1)11)16OJUҎ্
όʔδϣϯґଘͷॲཧͳ͍Β͍͠Ͱ͢ ࣗ࡞Ͱ͖ΔʢΒ͍͠ʣ
·ͱΊ
·ͱΊ w 4OBQTIPU5FTUJOHͱ͍͏Ξαʔγϣϯख๏͕ ͋ͬͯศརɻ w ͰɺͪΌΜͱࣗͰॻ͘ͷ͕ͳΜ͔ͩΜͩҰ൪ ཧ w ࣌ؒత੍͕͋Δ߹ڧ͍ຯํʹͳͬͯ͘ ΕΔ͔
ৄ͍͍͠ํΣϒ 1)1ͰTOBQTIPUUFTUJOHΛΓ·ͤΜ͔ʁ
1)1FS,BJHJߦ͖·͠ΐ͏ʂ IUUQTQIQFSLBJHJKQ
͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ #"4&גࣜձࣾ ౦ޱᏻʢ!,IJHBTIJHVDIJʣ