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RailsのSystem specから 🎭Playwrightを使う

Yusuke Iwaki
June 18, 2021
Technology
2
3.2k

RailsのSystem specから 🎭Playwrightを使う

2021/06/18 銀座Rails#34の発表スライド（一部省略）

Yusuke Iwaki

June 18, 2021
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Transcript

  1. 3BJMTͷ4ZTUFNTQFD͔Β 🎭1MBZXSJHIUΛ࢖͏ !:VTVLF*XBLJ ۜ࠲3BJMT 

  2. ຊ೔ͷ֓ཁ w 3BJMTͷTZTUFNTQFDʹ͍͓ͭͯ͞Β͍ w $BQZCBSBͱ$BQZCBSBυϥΠόͷ֓ཁઆ໌ w 1MBZXSJHIUͱ3VCZΫϥΠΞϯτɾ$BQZCBSBυϥΠόͷ঺հ ݸʑͷػೳ͸͋·Γઆ໌͠·ͤΜɻ ʮͳͥΘ͟Θ͟(FN࡞ͬͨͷ͔ʯʹ ϑΥʔΧεͯ͠આ໌͍͖ͯ͠·͢ʂ

  3. ຊ೔ͷ֓ཁ w 3BJMTͷTZTUFNTQFDʹ͍͓ͭͯ͞Β͍ w $BQZCBSBͱ$BQZCBSBυϥΠόͷ֓ཁઆ໌ w 1MBZXSJHIUͱ3VCZΫϥΠΞϯτɾ$BQZCBSBυϥΠόͷ঺հ

  4. TZTUFNTQFD w3BJMT͔Β࢖͑Δɻ w+BWB4DSJQUΛ;ΜͩΜʹ࢖ͬͨϖʔδͰ΋ɺ 
 'BDUPSZ#PU΍ϞοΫ͕ޮ͍ͨঢ়ଶͰɺ 
 ϒϥ΢βͱର޲ͤͯࣗ͞ಈࢼݧ $* Ͱ͖ΔεάϨϞϊ

  5. 8IZTZTUFNTQFD [email protected]ʜSFNPUFUSVF w "KBY௨৴ͰύʔγϟϧϏϡʔΛ΋Β͖ͬͯͯɺK2VFSZͰBQQFOEVQEBUF 
 ˠύʔγϟϧϏϡʔͷςετΛॻ͍ͨͱ͜ΖͰɺ 
 ɹύʔγϟϧϏϡʔ͕͸Ίࠐ·Εͨશମ͕ಈ͘ͱ͸ݶΒͳ͍ 8FCQBDLFS w

    3FBDU΍7VFίϯϙʔωϯτΛz෦෼తʹz࢖༻͢Δύλʔϯ 
 ˠίϯϙʔωϯτͷ୯ମࢼݧ͕ॻ͚ͨͱͯ͠΋ɺ 
 ɹϖʔδશମ͕յΕ͍ͯͳ͍͔͸Θ͔Βͳ͍ɻ

  6. &&ςετ 'FBUVSFTQFD ड͚ೖΕςετ 4ZTUFNTQFD

  7. &&ςετ ؅ཧऀϩάΠϯͨ͠Βɺ μογϡϘʔυʹભҠ͠ɺ ૊৫ͷϢʔβͷΞϥʔτ͕දࣔ͞ΕΔ͜ͱ

  8. &&ςετ 'FBUVSFTQFD ड͚ೖΕςετ 4ZTUFNTQFD ؅ཧऀϩάΠϯͨ͠Βɺ μογϡϘʔυʹભҠ͠ɺ ૊৫ͷϢʔβͷΞϥʔτ͕දࣔ͞ΕΔ͜ͱ ʮ؅ཧऀʯʮ૊৫ʯʮΞϥʔτʯ͕ ͋Β͔͡Ί࡞ΒΕͨεςʔδϯά؀ڥ ؅ཧऀϩάΠϯ

    μογϡϘʔυͷදࣔ֬ೝ

  9. &&ςετ 'FBUVSFTQFD ड͚ೖΕςετ 4ZTUFNTQFD ؅ཧऀϩάΠϯͨ͠Βɺ μογϡϘʔυʹભҠ͠ɺ ૊৫ͷϢʔβͷΞϥʔτ͕දࣔ͞ΕΔ͜ͱ ʮ؅ཧऀʯʮ૊৫ʯʮΞϥʔτʯ͕ ͋Β͔͡Ί࡞ΒΕͨεςʔδϯά؀ڥ ؅ཧऀϩάΠϯ

    μογϡϘʔυͷදࣔ֬ೝ μογϡϘʔυͷදࣔ֬ೝ ʮ؅ཧऀʯʮ૊৫ʯʮΞϥʔτʯΛ 'BDUPSZ#PUͰ࡞੒ .PDLͰ؅ཧऀϩάΠϯঢ়ଶΛ࡞੒

  10. &&ςετ 'FBUVSFTQFD ड͚ೖΕςετ 4ZTUFNTQFD ؅ཧऀϩάΠϯͨ͠Βɺ μογϡϘʔυʹભҠ͠ɺ ૊৫ͷϢʔβͷΞϥʔτ͕දࣔ͞ΕΔ͜ͱ ʮ؅ཧऀʯʮ૊৫ʯʮΞϥʔτʯ͕ ͋Β͔͡Ί࡞ΒΕͨεςʔδϯά؀ڥ ؅ཧऀϩάΠϯ

    μογϡϘʔυͷදࣔ֬ೝ ඞཁͳσʔλΛ'BDUPSZ#PUͰ༻ҙ͢Δ

  11. &&ςετ 'FBUVSFTQFD ड͚ೖΕςετ 4ZTUFNTQFD ؅ཧऀϩάΠϯͨ͠Βɺ μογϡϘʔυʹભҠ͠ɺ ૊৫ͷϢʔβͷΞϥʔτ͕දࣔ͞ΕΔ͜ͱ ʮ؅ཧऀʯʮ૊৫ʯʮΞϥʔτʯ͕ ͋Β͔͡Ί࡞ΒΕͨεςʔδϯά؀ڥ ؅ཧऀϩάΠϯ

    μογϡϘʔυͷදࣔ֬ೝ ผ్DPOUSPMMFSTQFDͰ֬ೝ͢Δɻ TZTUFNTQFDͰ͸NPDL

  12. &&ςετ 'FBUVSFTQFD ड͚ೖΕςετ 4ZTUFNTQFD ؅ཧऀϩάΠϯͨ͠Βɺ μογϡϘʔυʹભҠ͠ɺ ૊৫ͷϢʔβͷΞϥʔτ͕දࣔ͞ΕΔ͜ͱ ʮ؅ཧऀʯʮ૊৫ʯʮΞϥʔτʯ͕ ͋Β͔͡Ί࡞ΒΕͨεςʔδϯά؀ڥ ؅ཧऀϩάΠϯ

    μογϡϘʔυͷදࣔ֬ೝ

  13. &&ςετ 'FBUVSFTQFD 4ZTUFNTQFD ຊ౰ʹ֬ೝ͍ͨ͠ϙΠϯτΛߜΓɺ ҆ఆɾߴ଎ʹςετΛ͓͜ͳ͏ Ϣʔβ͕ߦ͏ૢ࡞Λ஧࣮ʹ࠶ݱ͢Δ

  14. Ξϥʔτ͕දࣔ͞ΕΔ͜ͱ

  15. 'FBUVSFTQFD 4ZTUFNTQFD ຊ౰ʹ֬ೝ͍ͨ͠ϙΠϯτΛߜΓɺ ҆ఆɾߴ଎ʹςετΛ͓͜ͳ͏ Ϣʔβ͕ߦ͏ૢ࡞Λ஧࣮ʹ࠶ݱ͢Δ -PBEJOH͕ग़Δग़ͳ͍͸࣮૷౎߹ʹΑΔͷͰɺ Ϣʔβ͕࣮ࡍʹݟΔ෦෼ͷΈʹண໨ͯ͠ ʮΞϥʔτͷද͕ࣔग़Δ·Ͱ଴ͭʯ͚ͩͰ֬ೝ͢Δ ͷ͕ϕετϓϥΫςΟε -PBEJOH͕ग़Δ͜ͱ͸Θ͔͍ͬͯΔͷͰɺ

    ʮ-PBEJOH͕ফ͑Δ·Ͱ଴ͭʯʮը໘ભҠ͢Δ·Ͱ଴ͭʯ ͳͲ҉໧తͳBVUPXBJUΛݮΒͯ҆͠ఆੑΛߴΊΔ ͷ͕ϕετϓϥΫςΟε ඵ͔΋͠Εͳ͍͠ ඵ͔΋͠Εͳ͍

  16. ຊ೔ͷ֓ཁ w 3BJMTͷTZTUFNTQFDʹ͍͓ͭͯ͞Β͍ w $BQZCBSBͱ$BQZCBSBυϥΠόͷ֓ཁઆ໌ w 1MBZXSJHIUͱ3VCZΫϥΠΞϯτɾ$BQZCBSBυϥΠόͷ঺հ

  17. TZTUFNTQFDͷྫ $BQZCBSB͕ఏڙ͢ΔϝιουΛ࢖ͬͯ ϒϥ΢βΛࣗಈૢ࡞͢Δ

  18. $BQZCBSB%4- ϒϥ΢βυΩϡϝϯτશମ $BQZCBSB4FTTJPO  %0.ཁૉ $BQZCBSB/PEF&MFNFOU BMM fi STU[email protected] fi

    MFUFYUDIFDLDIPPTF[email protected][email protected] [email protected]@[email protected][email protected][email protected] fi [email protected] fi OE fi [email protected] fi [email protected] fi [email protected] fi fi fi [email protected] UJUMFCPEZIUNMTPVSDF [email protected][email protected]D [email protected][email protected] WJTJUSFGSFTI [email protected][email protected] [email protected]XJUIJO[email protected][email protected] fi FMETFU[email protected][email protected] [email protected]@GSBNF[email protected]XJOEPXT[email protected]@XJOEPXTXJUD [email protected][email protected]@CZ[email protected][email protected]@[email protected] [email protected][email protected]@[email protected][email protected]SFTQP [email protected][email protected] <>[email protected]DIFDLFE  DMJDLEJTBCMFE [email protected] [email protected]ESPQ[email protected]@TDSJQU[email protected] [email protected] fl BTI IPWFS[email protected]JOTQFDUNVMUJQMF OBUJWF PCTDVSFE QBUISFBEPOMZ SFDUSFMPBE[email protected][email protected] [email protected]TFMFDUFE  [email protected]TFUTUZMF[email protected]UFYU USJHHFS[email protected]WBMVF WJTJCMF

  19. $BQZCBSB%4-ͱυϥΠό ɾ$BQZCBSB4FTTJPO ɾ$BQZCBSB/PEF&MFNFOU $BQZCBSB%4- WJTJU DMJDL ʜ ૢ࡞಺༰Λهड़͢Δ͚ͩɻ ϒϥ΢βͷૢ࡞ํ๏͸஌Βͳ͍ɻ

  20. $BQZCBSB%4-ͱυϥΠό ɾ$BQZCBSB4FTTJPO ɾ$BQZCBSB/PEF&MFNFOU $BQZCBSB%4- WJTJU DMJDL ʜ $BQZCBSBυϥΠό͕ ϒϥ΢βͷૢ࡞ํ๏Λఆٛ͢Δ

  21. $BQZCBSB%4-ͱυϥΠό ɾ$BQZCBSB4FTTJPO ɾ$BQZCBSB/PEF&MFNFOU $BQZCBSB%4- WJTJU DMJDL ʜ TFMFOJVN DVQSJUF BQQBSJUJPO

    GFSSVN $BQZCBSB υϥΠό

  22. $BQZCBSB%4-ͱυϥΠό ɾ$BQZCBSB4FTTJPO ɾ$BQZCBSB/PEF&MFNFOU $BQZCBSB%4- WJTJU DMJDL ʜ TFMFOJVN DVQSJUF BQQBSJUJPO

    GFSSVN $BQZCBSB υϥΠό

  23. ओཁͳ$BQZCBSBυϥΠό 4FMFOJVN w 4FMFOJVN8FC%SJWFSΛར༻ͯ͠ϒϥ΢βΛࣗಈૢ࡞ 
 ˢར༻ϒϥ΢β͝ͱʹɺผ్8FCυϥΠόʔΛΠϯετʔϧ͢Δඞཁ͋Γ $VQSJUF w $ISPNF%FW5PPMT1SPUPDPMΛར༻ͨ͠'FSSVNͱ͍͏ϥΠϒϥϦΛར༻ͯ͠ 


    &EHF΍$ISPNFΛࣗಈૢ࡞ "QQBSJUJPO w $%1Λ௚઀ར༻ͯ͠ɺ$ISPNFΛࣗಈૢ࡞ ɾɾɾ࣮࣭తʹσϑΝΫτελϯμʔυ

  24. ͦ΋ͦ΋ 4FMFOJVNҎ֎ͷυϥΠό͸ ͳͥඞཁͳͷ͔ʁ🤔

  25. :FU"OPUIFS$BQZCBSBυϥΠόͷඞཁੑ 4FMFOJVNυϥΠόʹର͢Δෆຬ w ʮηοτΞοϓ͕໘౗ʯ΋ͬͱ؆୯ʹ࢖͑ΔΑ͏ʹ͍ͨ͠ $BQZCBSBࣗମͷػೳෆ଍ w ʮϖʔδભҠ͢Δ·Ͱ଴ͭʯʮ-PBEJOHද͕ࣔফ͑Δ·Ͱ଴ͭʯ 
 $BQZCBSB%4-Ͱ͸ॻ͚ͳ͍ͷͰɺυϥΠόಠࣗͷϝιουΛఏڙ͍ͨ͠ w

    ʮͳΜ͔Α͘Θ͔ΒΜ͚Ͳɺ࣌ʑςετ͕མͪΔʯ 
 %0.มߋݕ஌͕ෆ׬શͳͷͰɺΑΓมߋݕ஌ʹڧ͍ํ๏Λఏڙ͍ͨ͠

  26. $BQZCBSB͸%0.มߋݕ஌͕ෆ׬શʁ w $BQZCBSBࣗମͷػೳෆ଍ w ʮϖʔδભҠ͢Δ·Ͱ଴ͭʯ 
 ʮಛఆͷཁૉ͕ݱΕΔ·Ͱফ͑Δ·Ͱ଴ͭʯ 
 ˢ$BQZCBSB%4-Ͱ͸ॻ͚ͳ͍ɻ 


    w ಺෦తʹϛϦඵͷϙʔϦϯά 
 ˠ%0.มߋݕ஌͕ෆ׬શɻ λΠϚʔΛ࢓ֻ͚ͯ ݺͼݩ͔Βࢦఆ͞Ε͓ͨ࢓ࣄΛ͢Δ ཁૉ͕ݟ͔ͭΒͳ͍৔߹ʹ͸ ɹλΠϚʔ͕੾Ε͍ͯͳ͔ͬͨΒ ɹඵ଴͔ͬͯΒ ࠶౓ɺཁૉͷऔಘΛࢼΈͯ ϦτϥΠ͢Δ

  27. :FU"OPUIFS$BQZCBSBυϥΠόͷඞཁੑ ɾηοτΞοϓ໘౗ ɾ$BQZCBSB%4-Ͱॻ͚ͳ͍ 
 ɹಠࣗػೳΛ࢖͍͍ͨ ɾ%0.มߋݕ஌͕ऑ͘ɺ 
 ɹςετ͕ෆ҆ఆ "QQBSJUJPO $VQSJUF

  28. :FU"OPUIFS$BQZCBSBυϥΠόͷඞཁੑ ɾηοτΞοϓ໘౗ ɾ$BQZCBSB%4-Ͱॻ͚ͳ͍ 
 ɹಠࣗػೳΛఏڙ͍ͨ͠ ɾ%0.มߋݕ஌͕ऑ͘ɺ 
 ɹςετ͕ෆ҆ఆ "QQBSJUJPO $VQSJUF

  29. ຊ೔ͷ֓ཁ w 3BJMTͷTZTUFNTQFDʹ͍͓ͭͯ͞Β͍ w $BQZCBSBͱ$BQZCBSBυϥΠόͷ֓ཁઆ໌ w 1MBZXSJHIUͱ3VCZΫϥΠΞϯτɾ$BQZCBSBυϥΠόͷ঺հ

  30. 8IBUJT1MBZXSJHIU w ݩ(PPHMF$ISPNFνʔϜ ݱϚΠΫϩιϑτͷΤϯδχΞ͕։ൃͨ͠ 
 Φʔϓϯιʔεͷϒϥ΢βࣗಈૢ࡞πʔϧɻ

  31. 8IZ1MBZXSJHIU w ͋ΒΏΔγʔϯΛαϙʔτ w ௥ՃͷυϥΠόʔͳͲෆཁͰɺ 
 $ISPNF .4&EHF 'JSFGPY 4BGBSJΛࣗಈૢ࡞Ͱ͖Δ

    w 8JOEPXT NBD04 -JOVYશରԠ w ϞόΠϧσόΠεͷΤϛϡϨʔγϣϯ w ϔουϨεʢը໘ͳ͠ʣϔουϑϧʢը໘͋Γʣ 👍 IUUQTQMBZXSJHIUEFWEPDTXIZQMBZXSJHIU͔ΒҾ༻ˍҰ෦ิ଍

  32. 8IZ1MBZXSJHIU w ଎ͯ͘ߴਫ਼౓ w "VUPXBJUJOHʹΑΓɺ 
 ɾ૝ఆͷ%0.ཁૉ͕ͨ·ͨ·ݱΕͳͯ͘΋ɺগ͠଴ͬͯ͘ΕΔ 
 ɾXBJU'PS4FMFDUPSΛ͍͍ͪͪॻ͔ͳͯ͘΋͍͍ w

    ωΠςΟϒͷϒϥ΢βΠϕϯτۦಈͰಈ࡞͢ΔͷͰɺ 
 ɾTMFFQͳͲ͕ෆཁ 
 ɹˠෆ҆ఆͳςετ͕ݮΒͤΔ w ϒϥ΢βࣗಈૢ࡞Λฒྻಈ࡞Մೳ 👍 👍 IUUQTQMBZXSJHIUEFWEPDTXIZQMBZXSJHIU͔ΒҾ༻ˍҰ෦ิ଍

  33. ࠶ܝ :FU"OPUIFS$BQZCBSBυϥΠόͷඞཁੑ ɾηοτΞοϓ໘౗ ɾ$BQZCBSB%4-Ͱॻ͚ͳ͍ 
 ɹಠࣗػೳΛఏڙ͍ͨ͠ ɾ%0.มߋݕ஌͕ऑ͘ɺ 
 ɹςετ͕ෆ҆ఆ "QQBSJUJPO

    $VQSJUF

  34. ࠶ܝ :FU"OPUIFS$BQZCBSBυϥΠόͷඞཁੑ ɾηοτΞοϓ໘౗ ɾ$BQZCBSB%4-Ͱॻ͚ͳ͍ 
 ɹಠࣗػೳΛఏڙ͍ͨ͠ ɾ%0.มߋݕ஌͕ऑ͘ɺ 
 ɹςετ͕ෆ҆ఆ "QQBSJUJPO

    $VQSJUF ͦΕɺ1MBZXSJHIUͳΒͰ͖ΔΑʂ 🎭 Playwright

  35. ͱ͍͏ετʔϦʔʹ͢ΔͨΊʜ

  36. (FN࡞Γ·ͨ͠

  37. 1MBZXSJHIU͸3VCZ͔Β࢖͑Δ 1MBZXSJHIUϦϦʔεϊʔτ͔ΒҾ༻ લճͷϦϦʔεͰ͸ɺ/PEF͕ͳ͍؀ڥͰ1MBZXSJHIUΛαϙʔτ͢ΔͨΊͷ಺෦ϓϩτίϧΛಋೖ͠·ͨ͠ɻ ͜ͷϓϩτίϧ͸ɺ1MBZXSJHIUGPS1ZUIPO΍αʔυύʔςΟͷ1MBZXSJHIU4IBSQɺ1MBZXSJHIUGPS(Pͷ࣮૷Ͱ طʹ࢖༻͞Ε͍ͯ·͢ɻ

  38. 1MBZXSJHIU͸3VCZ͔Β࢖͑Δʂ 1MBZXSJHIU αʔόʔ 1MBZXSJHIUΫϥΠΞϯτ QMBZXSJHIUQZUIPO QMBZXSJHIUTIBSQ QMBZXSJHIUKBWB 1MBZXSJHIU ϓϩτίϧ

  39. 1MBZXSJHIU͸3VCZ͔Β࢖͑Δʂ 1MBZXSJHIU αʔόʔ 1MBZXSJHIUΫϥΠΞϯτ QMBZXSJHIUQZUIPO QMBZXSJHIUTIBSQ QMBZXSJHIUKBWB 1MBZXSJHIU ϓϩτίϧ QMBZXSJHIUSVCZ

    DMJFOU 1MBZXSJHIUϓϩτίϧΛ͠Ό΂Δ3VCZΫϥΠΞϯτ Λ࡞Ε͹ɺ1MBZXSJHIUͷػೳ͕ར༻Ͱ͖Δʂ

  40. QMBZXSJHIUSVCZDMJFOU

  41. DBQZCBSBQMBZXSJHIUESJWFS ɾ$BQZCBSB4FTTJPO ɾ$BQZCBSB/PEF&MFNFOU $BQZCBSB%4- WJTJU DMJDL ʜ QPMUFSHFJTU TFMFOJVN $BQZCBSB

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