組織にテストを書く文化を根付かせる戦略と戦術（2020秋版） / Strategy and Tactics of Building Automated Testing Culture into Organization 2020 Autumn Edition

ソフトウェアテストシンポジウム 2020 新潟 JaSST'20 Niigata 基調講演
2020年9月28日（月）
http://www.jasst.jp/symposium/jasst20niigata.html

Transcript

1. ૊৫ʹςετΛॻ͘จԽΛ ࠜ෇͔ͤΔઓུͱઓज़
   ʢळόʔδϣϯʣ ࿨ా
   ୎ਓ
   !U@XBEB 4FQ
   
   
   !
   +B445
   /JJHBUB
   جௐߨԋ
2. t-wada t_wada twada #jasst #jasstniigata ࣗݾ঺հ
3. ٕज़ॻͷग़൛ʹؔΘ͍ͬͯ·͢
4. #jasst #jasstniigata ΑΖ͓͘͠ئ͍͠·͢
5. ઓུฤ ૊৫ʹςετΛॻ͘ จԽΛࠜ෇͔ͤΔ
6. IUUQTXXXFWBOHFMJTNKQSFTPVSDFTCVTJOFTTXJUIJU લఏ
   *5͸ࣄۀͷίΞʹͳͬͨ
7. มΘΔੈք
   ͭͷΩʔϝτϦΫε wϦʔυλΠϜ
   wσϓϩΠස౓
   w.553 ฏۉम෮࣌ؒ
   wมߋࣦഊ཰ IUUQTXXXBNB[PODPKQEQ
8. ϦʔυλΠϜͱσϓϩΠස౓
   ԾઆݕূϓϩηεΛਝ଎ʹճ͢ IUUQJLFZIBUFCMPKQFOUSZ
9. MTTR .553
   .FBO
   UJNF
   UP
   3FDPWFSZ3FQBJS IUUQTXXXTMJEFTIBSFOFUEFDPEFEPTSFTJUFSFMJBCJMJUZFOHJOFFSJOHJOB[VSFPOB[VSF
   Ұ෦վม
10. .5#'ΛࣺͯΔͷͰ͸ͳ͘඼࣭ΛϓϩηεͰ࡞ΓࠐΉ IUUQTXXXSZV[FFDPNDPOUFOUTCMPH
11. ΤϦʔτ ϋΠύϑΥʔϚʔ ϛσΟΞϜ
    ύϑΥʔϚʔ ϩʔύϑΥʔϚʔ ϦʔυλΠϜ ೔ະຬ ೔͔Βिؒ ि͔ؒΒϱ݄ ϱ݄͔Βϱ݄ σϓϩΠස౓ ΦϯσϚϯυ
    ೔ෳ਺ճ ೔ճ͔Βिճ िճ͔Β݄ճ ϱ݄͔Βϱ݄ .553 ࣌ؒະຬ ೔ະຬ ೔ະຬ ि͔ؒΒϱ݄ มߋࣦഊ཰ 
    
     
    
     
    
     
    
     ͭͷΩʔϝτϦΫε
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    w૊৫ؒͷࠩ͸͔ͳΓେ͖͘ɺ͞Βʹ։͍͍ͯΔʢ
    
    ʣ
    wѹ౗తͳࠩ͸ܧଓతσϦόϦ΍%FW0QT΁ͷ૊৫తͳ౤ࢿͷࠩ
12. ೥ʹ͓͚ΔΤϦʔτͱϩʔύϑΥʔϚʔͷࠩ wϦʔυλΠϜ
    
    ഒ
    wσϓϩΠස౓
    
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    w.553
    
    
    
    
    
    
    
    
    
    
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    wมߋࣦഊ཰
    
    
    
    
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13. w ϩʔύϑΥʔϚʔͱͳΔ܏޲͕ڧ͍ͷ͸ɺ࣍ͷΑ͏ʹ ճ౴ͨ͠νʔϜͰ͋ͬͨ
    w ʮ
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    ݫ͍͠ݱ࣮ IUUQTXXXBNB[PODPKQEQ ʰ-FBOͱ%FW0QTͷՊֶʱ
    Q
14. ͳͥςετࣗಈԽͳͷ͔ ίετΛ࡟ݮ͍͔ͨ͠Β
    *5͕ࣄۀͷίΞͰ͋Γɺ
    ΞδϦςΟ͕ڝ૪ྗ͔ͩΒ
15. Ͱ΋ʜʜ
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16. ർฐ͖ͬͨ͠ݱ৔
17. IUUQTXXXqJDLSDPNQIPUPTPLJOBXBTPCB ߥΈ͖ͬͨίʔυ
18. ര஄ॲཧͷΑ͏ͳϦϦʔε
19. lςετ͕ͳ͍ίʔυ͸ϨΨγʔίʔυͩʂz
20. ͭͷ
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21. IUUQTXXXqJDLSDPNQIPUPTELBMP lςετΛॻ࣌ؒ͘͸ͳ͍z
22. ετϨε ςετ ॻ੶ʰςετۦಈ։ൃʱΑΓ നؙ෇͖໼ҹ
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    ࠜݩ͕૿͑Ε͹ઌ͸ݮΔɻࠜݩ͕ݮΕ͹ઌ͸૿͑Δ
23. ࣗಈςετ ετϨε ॻ੶ʰςετۦಈ։ൃʱΑΓ നؙ෇͖໼ҹ
    ෛͷ઀ଓ
    
    ࠜݩ͕૿͑Ε͹ઌ͸ݮΔɻࠜݩ͕ݮΕ͹ઌ͸૿͑Δ
24. ςετΛॻ͕࣌ؒ͘ͳ͍ͷͰ͸ͳ͘ɺ ςετΛॻ͔ͳ͍͔Β͕࣌ؒͳ͘ͳΔ ͷͰ͢
25. lಈ͘ίʔυʹ৮ΕΔͳz IUUQTXXXqJDLSDPNQIPUPT!/
26. &EJU
    
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27. IUUQTUXJUUFSDPNU@XBEBTUBUVT Կ΋ͯ͠ͳ͍͔ΒյΕΔ
28. $PWFS
    
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29. w จԽͷৢ੒͸೥୯ҐͷࣄۀʹͳΔ
    w ʮςετΛॻ͕࣌ؒ͘ͳ͍ʯͷͰ͸ͳ͘ʮςετΛ ॻ͔ͳ͍͔Β͕࣌ؒͳ͘ͳΔʯ
    w ʮಈ͘ίʔυʹ৮ΕΔͳʯͱઓ͏ɻ৮Εͳ͚Ε͹ ڝ૪ྗ͕ऑ·Γɺࣄۀ͸؇΍͔ʹࢮΜͰ͍͘
    w ίετ࡟ݮͰ͸ͳ͘ΞδϦςΟΛಘΔͨΊͷࣗಈԽ จԽΛม͍͑ͯ͘
30. w ϨΨγʔίʔυվળʹਖ਼ղ͸ͳ͍
    w ςετࣗಈԽ͸ۜͷ஄ؙͰ͸ͳ͍
    w ಋೖํ๏ʹ΋ۜͷ஄ؙ͸ͳ͍
    w ಋೖΛ໨తʹͯ͠͸ͳΒͳ͍
    w ঢ়گ͸ݱ৔ʹΑͬͯશͯҟͳΔ ۜͷ஄ؙ͸ͳ͍
31. w 5P#F
    Ͱ͸ͳ͘
    "T*T
    ͱ
    /PU5P#F
    ͔Β͸͡ΊΔ
    w ਓ͸ࣗ෼ͷ଎౓Ͱ͔͠੒௕Ͱ͖ͳ͍
    w ϓϩδΣΫτ΋ϓϩδΣΫτͷ଎౓Ͱ͔͠੒௕Ͱ͖ͳ͍
    w ͦΕͰ΋࠲ͯ͠଴ͨͣมԽΛՃ଎͠ͳ͚Ε͹ͳΒͳ͍ ΠϚίί͔Β͸͡ΊΔ
32. ಈ͖ʹ͍͘૊৫Λ
    ಈ͔͢ʹ͸
33. w ΞϝϦΧਓ
    
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    w ΠΪϦεਓ
    
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    w υΠπਓ
    
    
    
    
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    w ΠλϦΞਓ
    
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    w ϑϥϯεਓ
    
    ඈͼࠐ·ͳ͍Ͱ͍ͩ͘͞
    w ೔ຊਓ
    
    
    
    
    
    
    
    ΈΜͳඈͼࠐΜͰ͍·͢Α ೔ຊਓΛಈ͔͢ݴ༿ʢ༻๏༻ྔΛकͬͯ࢖͏͜ͱʣ IUUQTXXXBNB[PODPKQEQ
34. IUUQTOFXTUCTDPKQOFXTFZFUCT@OFXTFZFIUN
35. આ໌੹೚ͷ޲͖Λ൓సͤ͞Δ IUUQTUXJUUFSDPNIJSPLJ@EBJDIJTUBUVT
36. ཧ࿦෢૷͢Δ
37. ෆ۩߹ͷൃݟ͕
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38. ςετࣗಈԽͷଛӹ෼ذ఺͸ʮճʯ IUUQTXXXBNB[PODPKQEQ ͓ΑͦճͰ
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39. IUUQTNBSUJOGPXMFSDPNBSUJDMFTJTRVBMJUZXPSUIDPTUIUNM อकੑͷ௿͕͞΋ͨΒ͢΋ͷ ͻͱͭͻͱͭͷมߋʹ
    ༨ܭͳ͕͔͔࣌ؒΔ
40. ಺෦඼࣭΁ͷ౤ࢿͷଛӹ෼ذ఺͸
    ೥ޙͱ͔Ͱ͸ͳ͘
    ϲ݄Ҏ಺ʹݱΕΔ IUUQTNBSUJOGPXMFSDPNBSUJDMFTJTRVBMJUZXPSUIDPTUIUNM ಺෦඼࣭΁ͷ౤ࢿͷଛӹ෼ذ఺͸ϲ݄Ҏ಺ʹݱΕΔ
41. © Towersquest, Inc. 2010. all rights reserved. N. Nagappan, M. E. Maximilien, T. Bhat and L. Williams: Realizing quality improvement through test driven development: results and experiences of four industrial teams, Journal of Empirical Software Engineering, vol. 13, pp. 289-302 (2008) 5%%ಋೖޮՌ .4
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42. © Towersquest, Inc. 2010. all rights reserved. 5%%ಋೖޮՌ ΤϦΫιϯଞ w 5%%Λ࣮ࢪͨ͠৔߹ʹใࠂ͞Ε͍ͯΔ஌ݟ
    ‣ ػೳςετͰͷෆ۩߹ݕग़਺͕࡟ݮ͞Εͨ
    ‣ ίʔσΟϯά ࣮૷ ͷ͕࣌ؒˋ૿͑ͨ
    ‣ ςετͷΧόϨοδ͕େ͖͘ͳͬͨ
    w ඃݧऀΛର৅ͱͨ͠Ξϯέʔτ
    ‣ ͷඃݧऀ͕σόοάͷ޻਺ΛݮΒ͢ͱײͨ͡
    ‣ ͷඃݧऀ͕ཁٻ͕ચ࿅͞ΕΔͱײͨ͡
    ‣ ͷඃݧऀ͕ίʔυͷ඼࣭Λ্͛Δͱײͨ͡
    ‣ ͷඃݧऀ͕։ൃ޻਺ΛݮΒ͢ͱײͨ͡ 42 Boby George, a and Laurie Williams: A structured experiment of test-driven development, Journal of Information and Software Technology Vol. 46, No. 5, p. 337-342(2004)
43. IUUQTXXXqJDLSDPNQIPUPTUPNQBHFOFU ςετ͸඼࣭Λ্͛ͳ͍
44. w ඼࣭͕ʮΘ͔ΔʯΑ͏ʹͳΔ
    w Θ͔Δ͜ͱͦ͜େࣄ
    w ςετΛॻ͚ͩ͘Ͱ͸ɺྑ͘͸ͳΒͳ͍
    w ମॏܭʹ৐Δ͚ͩͰ͸૫ͤͳ͍
    w ඼࣭Λ্͛Δͷ͸ઃܭͱϓϩάϥϛϯά
    w ࠶ઃܭͱϦϑΝΫλϦϯάΛςετͰࢧ͑Δ ςετ͸඼࣭Λ্͛ͳ͍
45. lςετͰ͸඼࣭͸্͕Βͳ͍Ͱ͢Αɻ ςετ͸͋͘·Ͱ΋඼࣭Λ͋͛Δ͖ͬ ͔͚ɻ඼࣭Λ͋͛Δͷ͸ϓϩάϥϛϯ άͰ͢ɻ͜Ε͸େੲ͔Βͦ͏ɻz
46. ૊৫ʹςετΛॻ͘ จԽΛࠜ෇͔ͤΔ ઓज़ฤ
47. ͭͷ
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48. w ʮϨΨγʔίʔυͷδϨϯϚʯ
    w lίʔυΛมߋ͢ΔͨΊʹ͸ςετΛ੔උ͢Δඞཁ͕͋ Δɻଟ͘ͷ৔߹ɺςετΛ੔උ͢ΔͨΊʹ͸ɺίʔυΛ มߋ͢Δඞཁ͕͋Δz
    w ϨΨγʔίʔυʹ৮ΔͨΊͷ
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49. w ϨΨγʔίʔυվળΨΠυΑΓ΍΍ந৅౓͕ߴ͍
    w ιϑτ΢ΣΞͷϦΤϯδχΞϦϯάΛߦ͏ͭͷ બ୒ࢶΛ͍ࣔͯ͠Δ
    w ϦϑΝΫλϦϯά
    w ϦΞʔΩςΫςΟϯά
    w ϏοάɾϦϥΠτ ϨΨγʔιϑτ΢ΣΞվળΨΠυ IUUQTXXXBNB[PODPKQEQ
50. Ͳ͜ʹςετΛ
    ॻ͍͍͔ͯ͘
51. w ʮԿ͕Ұ൪΍͹͍Ͱ͔͢ʁʯ
    w ࠷΋ࠔ͍ͬͯΔͱ͜Ζ͔Β
    w ͓ۚɺݸਓ৘ใɺʜʜ
    w ৽ػೳ։ൃ͔Β
    w όάमਖ਼ͷͱ͜Ζ͔Β
    w ੩తղੳͰϐϯϙΠϯτʹ Ͳ͔͜Β΍Δ͔
52. ʮ௧ΜͩՕॴʯͱʮख͕ಧ͘Ռ࣮ʯ
53. wϦεΫ
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54. ςετέʔε ϦεΫ खಈςετͷ
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55. ςετέʔε ϦεΫ खಈςετͷ
    ίετ ࣗಈԽίετ σβΠϯมߋ ηΩϡϦςΟΞϥʔτ औҾཤྺ ޱ࠲ͷౚ݁ ৽نϢʔβొ࿥ ݕࡧ݁Ռͷฒͼସ͑ ͓ۚͷೖۚ ৼΓࠐΈͷ֬ೝ ϦεΫΛݟੵ΋Δʢͬ͘͟Γߴ௿ʣ IUUQTXXXBNB[PODPKQEQ9
56. ςετέʔε ϦεΫ खಈςετͷ
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57. ࣗಈԽίετΛݟੵ΋Δʢͬ͘͟Γߴ௿ʣ ςετέʔε ϦεΫ खಈςετͷ
    ίετ ࣗಈԽίετ σβΠϯมߋ ηΩϡϦςΟΞϥʔτ औҾཤྺ ޱ࠲ͷౚ݁ ৽نϢʔβొ࿥ ݕࡧ݁Ռͷฒͼସ͑ ͓ۚͷೖۚ ৼΓࠐΈͷ֬ೝ IUUQTXXXBNB[PODPKQEQ9
58. ༏ઌॱҐΛ෇͚ͯฒ΂ସ͑Δ ςετέʔε ϦεΫ खಈςετͷ
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59. Ͳ͏ςετΛ
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60. w ࣮ߦԁ׈ੑʢ0QFSBCJMJUZʣ
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    w ੍ޚ༰қੑʢ$POUSPMMBCJMJUZʣ
    w ࣄલঢ়ଶΛ੍ޚ͠ɺςετର৅Λࣗಈૢ࡞͠΍͍͢
    w ෼ղՄೳੑʢ%FDPNQPTBCJMJUZʣ
    w ςετର৅ͷ੾Γग़͠ɺςετ؀ڥ΁ͷ෦෼ஔ׵͕༰қ IUUQTTQFBLFSEFDLDPNHPZPLJUFTUBCJMJUZJOFNCFEEFETPGUXBSF ࣗಈςετʹ͓͚ΔςελϏϦςΟ
61. w ઀߹෦ͷݕ౼ͱۛຯ
    w ߜΓࠐΈ఺ͷൃݟͱґଘͷ෼཭
    w ࠶ݱੑ͋Δςετϋʔωεͷ੔උ
    w ௒ूதฤू
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    w ίϯύΠϥ
    
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    w ࢓༷Խςετ
    w ࢼߦϦϑΝΫλϦϯά ϨΨγʔίʔυվળͷٕ๏ IUUQTXXXBNB[PODPKQEQ
62. var createHandler = function (getNextItemIndex) { return function (event, context, callback) { var alexa = Alexa.handler(event, context); alexa.registerHandlers(createHandlers(getNextItemIndex)); alexa.execute(); }; }; exports.createHandler = createHandler; exports.handler = function () { var getNextItemIndex = () => Math.floor(Math.random() * questions.length); return createHandler(getNextItemIndex); }(); exports.handler = function (event, context, callback) { var alexa = Alexa.handler(event, context); alexa.registerHandlers(handlers); alexa.execute(); }; ྫ
    ϥϯμϜੑΛ൐͏ؔ਺Λ֎͔Βࠩ͠ࠐΊΔΑ͏ʹ͢Δ 変更前 変更後
63. w ࠷ॳ͔Βશ෦΍Ζ͏ͱ͠ͳ͍
    w ςετۦಈʹͩ͜ΘΔͳ
    w ςετϑΝʔετʹͩ͜ΘΔͳ
    w ʮϢχοτʯςετʹͩ͜ΘΔͳ
    w ςετͷ࣮ߦ଎౓ʹͩ͜ΘΔͳ
    w ςετͷ໢ཏੑʹͩ͜ΘΔͳ ͩ͜ΘΔͳ
64. w ྑ͍Ϣχοτςετͷࢦඪʹ΋༏ઌ౓͕͋Δ
    w ࠶ݱɺ܁Γฦ͠Մೳ
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    w ಠཱ͍ͯ͠Δ
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    w ଞ͸ͦΕ͔ΒͰ͍͍ ͩ͜ΘΖ͏
65. w ςετ͕ͳ͍ͷ͸طʹઃܭ͕ѱ͍ஹީ
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    &&
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66. ςετࣗಈԽϐϥϛουͱΞϯνύλʔϯ IUUQTXBUJSNFMPOCMPHJOUSPEVDJOHUIFTPGUXBSFUFTUJOHJDFDSFBNDPOF
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68. medium small large ࣗ෼ͨͪͰ4.-Λఆٛ͠ɺௐ੔͢Δ
69. w αϯϓϧͱσϞ͕େࣄ
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    w ࠷ॳ͸αϯϓϧͷίϐϖͰ΋ྑ͍
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70. ࣄྫ
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71. w Ͱ͖Δ͔Β΍ΔͷͰ͸ͳ͍
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    :06
72. 4PDJBM
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73. ςετ͸ϓϩͷᅂΈ ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠