Golang API Testing the HARD way

Presentations at GoConference 2018 Autumn.

Transcript

1. API
   TESTING
   THE HARD WAY
   @__timakin__
   Go CONFERENCE 2018 Autumn
   

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2. SEIJI TAKAHASHI
   timakin
   @__timakin__
   __timakin__
   ॴଐɿ(VOPTZ*ODϝσ
   ΟΞࣄۀຊ෦
   ݴޠɿ(P 4XJGU +BWB4DSJQU
   

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3. ΞδΣϯμ
   w (Pͷ"1*ͷςετʹ͓͚ΔςελϏϦςΟ
   w ςετʹؔ͢Δ5JQT
   w Ϣχοτςετʹ͍ͭͯ
   w ΠϯςάϨʔγϣϯςετʹ͍ͭͯ
   w ϥΠϒϥϦબఆɺͭ·͍ͮͨՕॴ
   

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5. (Pͷςετϊ΢ϋ΢
   w Ϣχοτςετͷޮ཰Խ
   w (Pͷ༏Εͨඪ४ػೳ
   

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6. (Pͷςετϊ΢ϋ΢
   w Ϣχοτςετͷޮ཰Խ
   w (Pͷ༏Εͨඪ४ػೳ
   w .PDL
   w JOUFSGBDFʹΑΔந৅Խ
   

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7. (Pͷςετϊ΢ϋ΢
   w Ϣχοτςετͷޮ཰Խ
   w (Pͷ༏Εͨඪ४ػೳ
   w .PDL
   w JOUFSGBDFʹΑΔந৅Խ
   w 5FTUJOHGSBNFXPSLT
   

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8. (Pͷςετϊ΢ϋ΢
   w Ϣχοτςετͷޮ཰Խ
   w (Pͷ༏Εͨඪ४ػೳ
   w .PDL
   w JOUFSGBDFʹΑΔந৅Խ
   w 5FTUJOHGSBNFXPSLT
   w OFUIUUQIUUQUFTUͷ࢖͍ํ
   

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9. ςετͷ࣮ྫ
   ʢಛʹΠϯςάϨʔγϣϯςετʣ
   ͷྫ͕Կނ͔ෆ଍͍ͯ͠Δʜ
   

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10. (PͰςετ͢Δ৔߹ͷجຊ
    w JOUFSGBDFͷ׆༻
    w AQBDLBHFYYY@UFTUAͱ͍͏໋໊
    w 5BCMF%SJWFO5FTU
    w 5FTU$BDIF $PWFSBHF #FODINBSL
    

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11. *OUFSGBDFΛ׆༻ͯ͠ΔͱԿ͕͍͍ͷ͔ʁ
    w ผͷϨΠϠʔͷ࣮૷Λ஌ΒͣʹίʔυΛॻ͖ਐΊΒ
    ΕΔ
    w ࣮૷ͷ੾Γସ͕͑༰қʹߦ͑Δ
    w NPDLੜ੒ʹ࢖͑Δ
    w αϯϓϧϨεϙϯεͷ࡞੒౳͕೉͍͠

    ֎෦"1*ݺͼग़͠ͳͲͰ໾ʹཱͭ
    

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12. AQBDLBHFYYY@UFTUA
    w 5FTU1BDLBHFΛ࣮૷ͱ෼཭͢Δ
    w ࣮ࡍͷݺͼग़͠ํͱܗࣜΛ߹ΘͤΔ
    w QSJWBUFͳม਺ʹର͢Δࢀর͕Ͱ͖ͳ͍Α͏ʹ͢Δ
    

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13. 5BCMF%SJWFO5FTU
    

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14. 5BCMF%SJWFO5FTU
    w ςετର৅ͱͳΔσʔλ഑ྻɺ

    ظ଴͞ΕΔ݁Ռͷ഑ྻΛΠςϨʔτ͢Δ͜ͱͰ

    ෳ਺ͷςετέʔεΛ؆ܿʹ·ͱΊΒΕΔɻ
    w ϕϯνϚʔΫΛ෼͚ͨΓɺU1BSBMMFMΛ࢖͍͍ͨ৔߹
    ͸4VCUFTUT΋ݕ౼͢Δɻ
    

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15. 5FTU$BDIF $PWFSBHF #FODINBSL
    w 5FTU$BDIF

    ςετؔ਺͝ͱʹ*%͕ৼΒΕͯɺ

    ݁Ռ͕ϑΝΠϧʹు͖ग़͞Εͯอଘ͞ΕΔɻ

    Ұக͢Δ݁Ռ͕͋Ε͹࢖͍ճ͢ɻ
    w $PWFSBHF #FODINBSL

    ඪ४Ͱαϙʔτ͞ΕΔ

    ΧόϨοδϨϙʔτͷग़ྗɺϕϯνϚʔΫ
    

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16. $BDIFʹ͍ͭͯ͸ʜ
    IUUQTTQFBLFSEFDLDPNUJNBLJOIPXHPDBDIFUFTUT
    

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17. (PͰςελϏϦςΟʔΛ্͛Δʹ͸
    w ͦ΋ͦ΋ςετ͕͠ʹ͍͘ίʔυ͸μ
    ϝ
    w JOUFSGBDFͰϞοΫՄೳͳ෦ҐΛ૿΍͢
    w ςετϔϧύʔͷॆ࣮
    w ϢχοτςετʹدͤΒΕΔͱ͜Ζ͸

    పఈͯ͠دͤΔׂͱେࣄ
    

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18. (PͰςελϏϦςΟʔΛ্͛Δʹ͸
    w ϢχοτςετͷͨΊͷඪ४ػೳ͕

    ௒ॆ࣮͍ͯ͠ΔͷͰɺͦΕΛ׆༻͢ΔͨΊʹ΋ɺ

    Ͱ͖ΔݶΓߏ଄ମͷςετύοέʔδʹ

    ϩδοΫΛूதͤ͞Δɻ
    w 4FSWJDF૚ʹϑΟϧλϦϯάͷϩδοΫΛ࢒ͨ͠Γ
    ͠ͳ͍ɻ
    

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19. ͜͜·Ͱ͕લఏ
    

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20. Ϣχοτςετͷ࿩
    

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21. Ϣχοτςετͷ5JQT
    w 5FTU)FMQFS
    w 4UVCTUBOEBSEQBDLBHFT
    w 'JYUVSFT
    w 5FTUJOHGSBNFXPSLT
    

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22. 5FTU)FMQFS
    U)FMQFS
    ΛݺͿ͜ͱͰɺ

    )FMQFSͷؔ਺ΛςετΛ

    ϚʔΫͯ͠ɺGBJMͨ࣌͠ʹ

    ݺͼग़͠ՕॴΛQSJOUͯ͘͠ΕΔɻ
    ͜ΕΛݺ͹ͳ͍ͱ಺෦ͰGBJM͠
    ͨΓɺॲཧΛڞ௨Խͨ࣌͠ʹਏ
    ͍ࢥ͍Λ͢Δɻ
    

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23. 5FTU)FMQFS
    ඪ४ύοέʔδͷςετ͸ಛʹ)FMQFS͕׆༻͞Ε͍ͯΔ
    ʢSVO DPQZ'JMF OFX5FNQ%JSʣ
    

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24. 4UVCTUBOEBSEQBDLBHFT
    w UJNFύοέʔδɺSBOEύοέʔδͳͲͷ݁ՌΛ࢖͏
    ॲཧ͸TUVC͢Δඞཁ͕͋Δ
    

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25. ελϒํ๏
    w άϩʔόϧม਺ͷࠩ͠ସ͑
    w ελϒՄೳͳϥούʔ
    w αʔυύʔςΟύοέʔδͷར༻
    

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26. άϩʔόϧม਺ͷࠩ͠ସ͑
    άϩʔόϧͳม਺ͰมΘΓ͏Δ݁ՌΛऔಘ͢
    ΔΑ͏ʹ͠ɺςετ࣌͸ͦΕΛॻ͖׵͑Δɻ
    ಉ͡஋ͳΒͱ΋͔͘ɺQBSBMMFMͰ΍ͬͨ࣌ʹෆ
    ͕҆͋Δɻ
    HPSN͕΍ͬͯΔʜ
    IUUQTHJUIVCDPNKJO[IVHPSNCMPCNBTUFSVUJMTHP-
    

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27. ελϒՄೳͳϥούʔ
    ελϒ༻ͷ஋͕ηοτ͞Εͯ

    ͍ͨΒఆ਺తʹ஋Λฦؔ͢਺Λ

    ఆٛ͢Δɻ
    

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28. αʔυύʔςΟύοέʔδͷར༻
    w ࣌ࠁݻఆ
    w HJUIVCDPNCFOCKPIOTPODMPDL
    w HJUIVCDPNULVDIJLJGBLFUJNF
    w DPEFDMPVEGPVOESZPSHDMPDL
    

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29. 4UVCTUBOEBSEQBDLBHFT
    w ʮ༗ޮظݶΛա͗ͨΒΤϯςΟςΟΛແޮԽ͢Δʯ

    Έ͍ͨͳॲཧ͕͋Δ৔߹ɺ࣌ࠁΛ୯७ʹݻఆ͢Δͩ
    ͚Ͱ͸ͳ͘ਐΊΔඞཁ͕͋Δ
    w ͦ͏ͨ͠৔߹͸αʔυύʔςΟͷύοέʔδ΋ߟ
    ྀʹೖΕΔ͕ɺʢ͍ͩͿ࣮૷͕গͳ͍ͷͰʣ

    جຊతʹؔ਺Ͱϥοϓ͢Ε͹ࣄ଍ΓΔͱࢥΘΕΔɻ
    

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30. 'JYUVSFT
    w ςετσʔλͷఆٛํ๏
    w ߏ଄ମ
    w ഑ྻͷσʔλߏ଄ʢ5BCMF%SJWFO5FTUʣ
    w ͦͷଞ
    w +40/ :".-
    

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31. 'JYUVSFT
    w ߏ଄ମ
    w ϙΠϯλΛड͚औͬͯૢ࡞͢Δؔ਺Λςετ͢Δ
    ৔߹ɺςετ༻ͷม਺ͷݩσʔλ͕มΘΓଓ͚ͯɺ
    ҙਤ͠ͳ͍ڍಈ͕ى͜Δɻ
    w 5BCMF%SJWFO5FTUͷΑ͏ʹݸผͷέʔεͰࢀর͢
    Δσʔλ͕ҧ͏৔߹͸0,
    

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32. 'JYUVSFT
    w +40/ :".-
    w JPVUJM3FBE'JMFͯ͠ςετσʔλΛಡΈࠐΉ
    w ಡΈࠐΈ༻ͷσʔλ͸JOQVU ·ͨ͸TSD
    

    ൺֱ༻ͷσʔλ͸HPMEFO
    w "1*ͷϦΫΤετͱϨεϙϯεΛ

    શ෦+40/ఆ͓͍ٛͯͯ͠ςετ͢Δͷ΋͋Γ

    

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33. 'JYUVSFT
    w JOQVUHPMEFO
    w ඪ४ύοέʔδͰͷར༻Օॴ
    w ςετΧόϨοδϖʔδͷ಺༰ݕূ
    w (PEPDੜ੒಺༰ݕূ
    

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34. 'JYUVSFT
    w JOQVUHPMEFO
    w ඪ४ύοέʔδͰͷར༻Օॴ
    w ςετΧόϨοδϖʔδͷ಺༰ݕূ
    w (PEPDੜ੒಺༰ݕূ
    w ࣮ࡍͷར༻ྫ
    w "1*ͷϦΫΤετͱϨεϙϯεΛ

    શ෦+40/ఆ͓͍ٛͯͯ͠ςετ͢Δ
    w εςʔλείʔυ͚ͩνΣοΫ͢ΔΑ͏ͳ৔߹͸ɺ

    ϦΫΤετ͚ͩATSDAͱ͍͏Α͏ͳ໋໊Ͱఆٛ͢Δͷ΋͋Γ
    

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35. 5FTUJOHGSBNFXPSLT
    w ʮ(Pͬͯɺ\\೚ҙͷݴޠ໊^^Ͱ͍͏ͱ͜Ζ\\ͦͷݴޠͷ୅දత
    ͳςετϑϨʔϜϫʔΫ໊^^ͬͯͳΜ͔ͳ͍ΜͰ͔͢ʁʯ
    w "1*ϑϨʔϜϫʔΫͰ΋ಉٞ͡࿦͕͋Δͱࢥ͍·͕͢ʜ
    

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36. 5FTUJOHGSBNFXPSLT
    w ʮ(Pͬͯɺ\\೚ҙͷݴޠ໊^^Ͱ͍͏ͱ͜Ζ\\ͦͷݴޠͷ୅දత
    ͳςετϑϨʔϜϫʔΫ໊^^ͬͯͳΜ͔ͳ͍ΜͰ͔͢ʁʯ
    w "1*ϑϨʔϜϫʔΫͰ΋ಉٞ͡࿦͕͋Δͱࢥ͍·͕͢ʜ
    w ςετϑϨʔϜϫʔΫͷੋඇ
    w ଞͷਓ͕ແݶʹޠ͍ͬͯΔͷͰলུ
    w ʮͨͩͷ%4-ʯ
    w ʮίϯςΩετʹ͋ͬͨϝοηʔδදࣔʯ
    w ʮUFTUJOHͰඞཁे෼ʯ
    w ʮϝϯςอূʯ
    w ʮπʔϧؒͷ࿈ܞͷऔΓ΍͢͞ʯ
    

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37. 5FTUJOHGSBNFXPSLT
    w ͜Ε͘Β͍ͳΒೖΕͯ΋Α͘ͳ͍ʁͱ͍͏ύοέʔδ
    w HJUIVCDPNHPPHMFHPDNQ
    w HJUIVCDPNTUSFUDISUFTUJGZ
    w 5BCMF%SJWFO5FTUͰͪΌΜͱςετέʔε໊ॻ͍͓͚ͯ͹

    ࠔΔ͜ͱ΋গͳ͍ͷͰผʹ͍Βͳ͍͔΋
    

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38. 5FTUJOHGSBNFXPSLT
    w ͜Ε͘Β͍ͳΒೖΕͯ΋Α͘ͳ͍ʁͱ͍͏ύοέʔδ
    w HJUIVCDPNHPPHMFHPDNQ
    w HJUIVCDPNTUSFUDISUFTUJGZ
    w 5BCMF%SJWFO5FTUͰͪΌΜͱςετέʔε໊ॻ͍͓͚ͯ͹

    ࠔΔ͜ͱ΋গͳ͍ͷͰผʹ͍Βͳ͍͔΋
    w ݸਓతʹೖΕͳ͍ύοέʔδ
    w ඞཁे෼ͳ͸ͣͷUFTUJOHύοέʔδͷϥούʔ
    w HPUFTUUPPMT
    w (P$POWFZ
    w (PCMJO
    

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39. ΠϯςάϨʔγϣϯςετͷ࿩
    

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40. ΠϯςάϨʔγϣϯςετʹඞཁͳ͜ͱ
    w ࣮ߦ؀ڥ
    w %# DBDIF
    w 'JYUVSF
    w ࣌ࠁɾཚ਺ݻఆ
    w DPOUFYU಺ม਺
    w ֎෦"1*ͷ.PDL
    w "1*SFRSFTͷݕূ
    

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41. ࣮ߦ؀ڥͷߏங
    w %#ɺDBDIFΛͲͷΑ͏ʹཱͯΔ͔
    w .PDL͢Δ
    w σʔϞϯ࣮ߦ
    w EPDLFSίϯςφΛཱͯΔ
    

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42. %#पΓͰඞཁͳ࡞ۀ
    w ςετ࣮ߦ͝ͱʹҎԼͷϑϩʔΛ౿Ή
    ίωΫγϣϯཱ֬
    ςʔϒϧ࡞੒
    Ϛελσʔλద༻
    ςετ࣮ߦ
    ςʔϒϧഁغ
    ίωΫγϣϯ੾அ
    

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43. %#Λ.PDL͢Δͷ͸ྑ͍͔ʁ
    w ͋·ΓϕλʔͰ͸ͳ͍ͱࢥ͏
    w 42-จ͕ؒҧ͍ͬͯΔ͔Ͳ͏͔͸ίϯύΠϧ࣌ʹ
    ؾ͚ͮͳ͍
    w αʔυύʔςΟ"1*ͳΒ·ͩ͠΋ɺ%#ͳΒࣗ෼Ͱ
    ؀ڥ͕༻ҙͯ͠ɺҙਤ௨Γ͔Ͳ͏͔ͷݕূ͕
    Ͱ͖Δͷ͔ͩΒɺ.PDL͠ͳ͍ํ͕ྑ͍
    

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44. σʔϞϯ࣮ߦ
    w HJUIVCDPNMFTUSSBUHPUFTUNZTRME
    w Կ΋ߟ͑ͳͯ͘΋NZTRME͕࣮ߦͰ͖Δ
    

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45. ίϯςφ
    w (PͰ%PDLFSʹ઀ଓ͢Δϥούʔ
    w HJUIVCDPNGTPV[BHPEPDLFSDMJFOU
    w HJUIVCDPNPSZEPDLFSUFTU
    w ςετͷͨΊʹ.Z42-΍3FEJT઀ଓ͕Ͱ͖Δ

    ྗڧ͍ϥούʔ
    w ࣗલͰEPDLFSίϯςφͨͯΔ࣌ʹඞཁͳ

    ىಈ֬ೝऔΕΔ·Ͱͷ1JOHͳͲΛ΍ͬͯ͘ΕΔ
    

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46. ίϯςφ
    

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47. γϯϓϧͳ઀ଓ
    %#ͷίωΫγϣϯͳͲɺ
    DMPTFͷॲཧ͕ඞཁͳ΋
    ͷ͸ɺ
    UFBSEPXO༻ͷGVODΛฦ
    ٫͓͍ͯͯ͠ɺ
    ࢀর͍ͯ͠Δؔ਺಺Ͱ
    EFGFSͰ࣮ߦ͢Δͱ

    ҆શɻ
    

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48. 'JYUVSF
    w ϢχοτςετͱҟͳΓ༻్͕͍͔ͭ͋͘Δ
    w SFRSFTݕূ༻ͷQBZMPBE
    w ࣄલʹ%#ʹೖΕ͓ͯͨ͘Ίͷσʔλ
    w ڞ௨ͷϚελσʔλ
    w ݸผͷςετ༻ʹ༻ҙ͞Εͨσʔλ
    

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49. SFRSFTݕূ༻ͷQBZMPBE
    w JOQVUHPMEFOͰQBZMPBEΛ+40/ʹ·ͱΊ͓ͯ͘
    w ΫΤϦύϥϝʔλʔ΋ඞཁͳΒ੾Γग़͓ͯ͘͠
    

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50. ςʔϒϧ࡞੒ɾ࡟আ
    w ςʔϒϧఆ͕ٛ͹Βͭ͘ͱ໘౗ͳͷͰɺ

    HJUIVCDPNLLVCVOTRMEFGΛ࢖ͬͯ

    ҰݸͷεΩʔϚʹ࠷৽ͷঢ়ଶΛ·ͱΊ͓ͯ͘ͱศར
    

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51. ςʔϒϧ࡞੒ɾ࡟আ
    

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53. Ϛελσʔλςετ͝ͱͷσʔλ
    w ݸਓతʹ͸ҎԼͷΑ͏ʹɺϚελσʔλͱͦΕҎ֎
    Λ෼͚͍ͯΔ
    w UFTUEBUBpYUVSFTEFGBVMU
    w Ϛελσʔλ
    w UFTUEBUBpYUVSFTPQUJPOBM
    w ςετέʔεʹΑͬͯࢀরͨ͠Γ͠ͳ͔ͬͨΓ͢
    Δσʔλ
    

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54. σʔλ࡞੒
    

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55. σʔλ࡞੒
    

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56. ಛघͳσʔλૠೖ
    w .Z42- 1PTHSF42-ͳͲͷσʔλૠೖ͸ָ
    w ("&Λ࢖ͬͯΔͱ%BUBTUPSFʹ

    'JYUVSFΛೖΕͨ͘ͳΔ
    

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58. ETNPDL
    w 'JYUVSFͷ:".-ఆٛΛࢦఆ͢Ε͹ɺࢦఆͷ,JOEͷ
    σʔλΛྲྀ͠ࠐΊΔ
    w $MFBOVQ࡞ۀ͸ผ్ඞཁ
    

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59. ࣌ࠁɾཚ਺ݻఆ
    w ௨ৗͷςετͱಉ༷ɻϞοΫ༻ͷؔ਺Λఆٛͯ͠ɺ
    Ϧηοτ༻ͷؔ਺ΛSFUVSOͯ͠΋ྑ͍ɻ
    

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60. $POUFYU಺ม਺
    w DPOUFYU಺෦ͷ஋Λ࢖ͬͯॲཧ͢Δ৔߹ɺUFTU༻ͷDPOUFYUʹ஋
    ΛೖΕ͓ͯ͘ඞཁ͕͋Δ
    w ଟ෼օ͞Μ͕಺෦Ͱఆ͍ٛͯ͠Δ/FX$POUFYU8JUI999ͳϝ
    ιουΛݺͿͷ΋ྑ͍͕ɺͪΌΜͱϦΫΤετͱͯ͠

    ݕূ͢ΔͳΒͤΊͯSFRʹ஋Λૠೖ͓͖͍ͯͨ͠ɻ
    

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61. ֎෦"1*ͷ.PDL
    w ֎෦"1*͸΋͏Ͳ͏͠Α͏΋ͳ͍ͷͰ.PDL͢Δ
    w NPDLೖΕͯΔͷʹ࢖ͬͯͳ͍ͱΤϥʔͰऴྃ͢Δ
    ͷͰɺNPDL͚ͩ͸ॲཧΛڞ௨Խͤͣ
    ɺݸผͷςε
    τέʔεͰૠೖ͢Δɻ
    

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62. .PDLͷίϯτϩʔϥʔੜ੒
    

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63. .PDLར༻
    

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64. "1*SFRSFTͷݕূ
    w HPMBOHHP΍BQQFOHJOFͷެࣜύοέʔδʹ౓ʑ

    AUSZAͱ͍͏ϥούʔ͕͋Δɻ
    w ϦΫΤετݕূ΍ςετͷग़ྗ݁ՌͳͲͷݕূ͸

    AUSZAͱ͍͏ஆ͔͍ؔ਺͕΍ͬͯ͘Εͯͯɺ

    ඇৗʹ࣮૷ͷࢀߟʹͳΔ
    

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65. SFRSFTΛݕূ͢Δ৔߹ʜ
    

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66. View Slide

67. View Slide

68. ؆ૉ☺
    

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69. ͓·͚
    

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70. 5FTU3VOOFSࣗମͷϥούʔ
    w ΠϯςάϨʔγϣϯςετͰ΍Δ͜ͱ͸

    ͍͍ܾͩͨ·ͬͯΔ
    w UFTUJOH.Λड͚औΔؔ਺Ͱϥοϓͯ͋͛͠Δͱ

    εοΩϦ͢Δ
    

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71. View Slide

72. ·ͱΊ
    w ۃྗ"1*ͷςετ͸ϢχοτςετͰϩδοΫΛ୲อͰ͖ΔΑ
    ͏ʹɺ࣮૷Λߏ଄ମۙ͘ʹدͤΔ
    w ΠϯςάϨʔγϣϯςετͷϊ΢ϋ΢͸·ͩ·ͩΦʔϓϯ͡Ό
    ͳ͍͚Ͳɺެࣜύοέʔδͷஆ͔͍ςετ͕ඇৗʹࢀߟʹͳΔ
    w γϯϓϧ͞ΛอͪͭͭɺͲ͜·Ͱڞ௨ԽͰ͖Δ͔͕୉ޣຯͳͷ
    ͰɺͦΕΛָ͠Έ·͠ΐ͏
    

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73. ͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ
    

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