質とスピード（2020春版） / Quality and Speed 2020 Spring Edition

質とスピード（2020春版）
2020/02/13 @ デブサミ2020

Transcript

1. ࣭ͱεϐʔυ ࿨ా
   ୎ਓ
   !U@XBEB 'FC
   
   
   !
   %FWFMPQFST
   4VNNJU
    #devsumiB ʢ
   य़όʔδϣϯʣ
2. t-wada t_wada twada #devsumiB ΑΖ͓͘͠ئ͍͠·͢
3. ߥͿΔ࢛ఱԦ͕͋ΒΘΕͨʂ ༩͑ΒΕͨ࣌ؒʹରͯ͠΍Δ΂͖͜ͱ͕ଟ͗͢Δ৔߹ɺͲ͏͢΂͖͔
   B
   είʔϓΛ࡟Δ
   C
   ΋ͬͱਓΛ૿΍͢
   D
   ϦϦʔε೔ΛԆظ͢Δ
   E
   ඼࣭Λ٘ਜ਼ʹ͢Δ ʰΞδϟΠϧαϜϥΠʱ
   Q
4. w୹ظతʹ͸ಘΒΕΔ
   wதظతʹ͸ٯޮՌʹͳΔ
   w௕ظతʹ͸க໋ইʹͳΔ ඼࣭Λ٘ਜ਼ʹ͢Ε͹εϐʔυ͸ಘΒΕΔʁ
5. ͦ΋ͦ΋
   ͜͜Ͱ͍͏
   ʮ඼࣭ʯͱ͸ʁ
6. l඼࣭ͱ͸୭͔ʹͱͬ ͯͷՁ஋Ͱ͋Δz 
   (FSBME
   8FJOCFSH IUUQTXXXBNB[PODPKQEQ9
7. Accessibility Adaptability Administrability Analyzability Auditability Availability Calibrability Changeability Compatibility Configurability Exploitability Extensibility Flexibility Functionality Installability Integrability Internationalizab ility Interoperability Learnability Maintainability Marketability Maturity Modifiability Operability Personalizability Portability Recoverability Reliability Replaceability Reusability Scalability Security Sensitivity Stability Suitability Supportability Testability Traceability Transactionality Understandability Upgradeability Usability ... and lots more! JMJUJFT
8. IUUQTXXXKVTFPSKQEFQBSUNFOUBMQPJOUIUNM ङ໺Ϟσϧ
9. ʢ͓٬༷͔Βʣݟ͑Δ඼࣭ͱݟ͑ͳ͍඼࣭ w֎෦඼࣭ͱ಺෦඼࣭
   wར༻࣌ͷ඼࣭ͱ੡඼඼࣭
   wػೳཁ݅ͱඇػೳཁ݅
10. ιϑτ΢ΣΞͷ඼࣭Λ֎෦ࢦඪͰಛ௃͚ͮΔਓ͸ଟ͍ɻਖ਼͍͜͠ͱΛ͢ Δɺόά͕ͳ͍ɺ଎͍ɺͳͲͩɻ͕ͩɺͦΕΒ͸ΑΓਂ͍ݪҼͷ঱ঢ়ʹ ͗͢ͳ͍ɻ
    ຊॻͰઆ໌͢Διϑτ΢ΣΞͷ඼࣭͸಺෦඼࣭Ͱ͋Δɻ಺෦඼࣭Λ࡞Γ ࠐΜͩ݁Ռͱͯ͠ɺ֎෦඼࣭ͱͯ͠ఆٛ͞ΕΔಛੑͷ࣮ݱʹۙͮ͘͜ͱ ͕Ͱ͖Δɻ಺෦඼࣭͸݁ՌͰ͸ͳ͘ݪҼͰ͋Γɺྑ͍ιϑτ΢ΣΞ͕උ ͍͑ͯΔ΂͖΋ͷͩɻ ʰϨΨγʔίʔυ͔Βͷ୤٫ʱQ
11. External Quality: Correctness, Usability, Efficiency, Reliability, Integrity, Adaptability, Accuracy, Robustness Internal Quality: Maintainability, Flexibility, Portability, Re-usability, Readability, Testability, Understandability ֎෦඼࣭ͱ಺෦඼࣭
12. ࣭ͱεϐʔυ ࿨ా
    ୎ਓ
    !U@XBEB 'FC
    
    
    !
    %FWFMPQFST
    4VNNJU
     #devsumiB
13. ಺෦඼࣭ͱεϐʔυ ࿨ా
    ୎ਓ
    !U@XBEB 'FC
    
    
    !
    %FWFMPQFST
    4VNNJU
     #devsumiB
14. Ͱ͸ͲͷΑ͏ͳ
    ɹ಺෦඼࣭Λ
    ٘ਜ਼ʹ๋͛ͨͷ͔
15. External Quality: Correctness, Usability, Efficiency, Reliability, Integrity, Adaptability, Accuracy, Robustness Internal Quality: Maintainability, Flexibility, Portability, Re-usability, Readability, Testability, Understandability ֎෦඼࣭ͱ಺෦඼࣭
16. Joseph P. Cavano and James A. McCall. A framework for the measurement of software quality. In software quality assurance workshop on Functional and performance issues, pages 133–139, 1978. https://www.thomasalspaugh.org/pub/fnd/ility.html $BWBOP
    BOE
    .D$BMM`T
    
    2VBMJUZ
    'BDUPST
    
17. อकੑ
    Maintainability
18. #PFIN
    #SPXO
    BOE
    -JQPXT
    
    2VBMJUZ
    $IBSBDUFSJTUJDT
     IUUQTXXXUIPNBTBMTQBVHIPSHQVCGOEJMJUZIUNM
19. #PFIN
    #SPXO
    BOE
    -JQPXT
    
    2VBMJUZ
    $IBSBDUFSJTUJDT
     IUUQTXXXUIPNBTBMTQBVHIPSHQVCGOEJMJUZIUNM
20. .BJOUBJOBCJMJUZʢอकੑʣΛߏ੒͢Δ΋ͷ w5FTUBCJMJUZ
    ςετ༰қੑ
    w6OEFSTUBOEBCJMJUZ
    ཧղ༰қੑ
    w.PEJpBCJMJUZ
    มߋ༰қੑ
21. ಺෦඼࣭ͱεϐʔυ ࿨ా
    ୎ਓ
    !U@XBEB 'FC
    
    
    !
    %FWFMPQFST
    4VNNJU
     #devsumiB
22. อकੑͱεϐʔυ ࿨ా
    ୎ਓ
    !U@XBEB 'FC
    
    
    !
    %FWFMPQFST
    4VNNJU
     #devsumiB
23. อकੑΛ
    ٘ਜ਼ʹ๋͛Δͱ
    Ͳ͏ͳΔ͔
24. ʮ͋ͱͰΫϦʔϯʹ͢Ε͹͍͍Αɻઌʹࢢ৔ʹग़͞ͳ͚Ε͹ʂʯ
    ։ൃऀ͸ͦ͏΍͍ͬͯͭ΋͝·͔͢ɻ͕ͩɺ͋ͱͰΫϦʔϯʹ͢Δ͜ͱ͸ͳ ͍ɻࢢ৔͔ΒͷϓϨογϟʔ͸ࢭ·Βͳ͍͔Βͩɻʮઌʹࢢ৔ʹग़͞ͳ͚ Ε͹ʯͱ͍͏͜ͱ͸ɺޙΖʹڝ߹ଞ͕ࣾେ੎͍Δͱ͍͏͜ͱͰ͋Δɻڝ߹ ଞࣾʹ௥͍ൈ͔Εͳ͍ͨΊʹ͸ɺ͜Ε͔Β΋૸Γଓ͚Δ͔͠ͳ͍ɻ
    ͦͷ݁Ռɺ։ൃऀ͸ϞʔυΛ੾Γସ͑Δ͜ͱ͕Ͱ͖ͳ͍ɻ࣍ͷػೳɺ·ͨ ࣍ͷػೳɺ·ͨ·ͨ࣍ͷػೳΛ௥Ճ͢Δ͜ͱʹͳΓɺίʔυΛΫϦʔϯʹ ͢Δ͜ͱ·Ͱख͕ճΒͳ͍ɻ
    ͦͯ͠ɺ่յ͕࢝·Δɻੜ࢈ੑ͕θϩʹ͍͍ۙͮͯ͘ɻ ʰ$MFBO
    "SDIJUFDUVSFʱ
    Q
25. ݱ৔͔ΒͷதܧͰ͢
26. ർฐ͖ͬͨ͠ݱ৔
27. IUUQTXXXqJDLSDPNQIPUPTPLJOBXBTPCB ߥΈ͖ͬͨίʔυ
28. ര஄ॲཧͷΑ͏ͳϦϦʔε
29. IUUQTUXJUUFSDPNOFLPZBTUBUVT
30. IUUQTNBSUJOGPXMFSDPNBSUJDMFTJTRVBMJUZXPSUIDPTUIUNM อकੑͷ௿͞ʢ㲈ٕज़తෛ࠴ʣ͕΋ͨΒ͢΋ͷ ͻͱͭͻͱͭͷมߋʹ
    ༨ܭͳ͕͔͔࣌ؒΔ
31. อकੑΛ٘ਜ਼ʹ͢Ε͹εϐʔυ͸ಘΒΕΔʁ w୹ظతʹ͸ಘΒΕΔ
    wதظతʹ͸ٯޮՌʹͳΔ
    w௕ظతʹ͸க໋ইʹͳΔ
32. Ͱ͸
    εϐʔυΛམͱͤ͹ อकੑ͸্͕Δʁ
33. IUUQTUXJUUFSDPNWPMVOUBTTUBUVT
34. IUUQTPTBIBUFOBCMPHDPNFOUSZ ٕज़ྗͷ͋Δਓ͸͋Δఔ౓ٸ͍Ͱ࡞ͬͨͱͯ͠΋Ұఆ Ҏ্ͷ඼࣭ͷίʔυΛॻ͘͠ɺҙਤతʹ඼࣭Λམͱ͠ ͨͱͯ͠΋଎౓͸͋·Γ্͕Βͳ͍ɻ
    ٯʹɺٕज़ྗ͕ߴ͘ͳ͍ਓ͕࣌ؒΛ͔͚ͯ࡞ͬͨͱ͠ ͯ΋ͦͷਓͷٕज़ྗҎ্ͷ඼࣭ͷίʔυ͸ॻ͚ͳ͍ɻ
35. ܦӦతͳཁٻʹ߹Θͤͯɺ༩͑ΒΕͨ։ൃظ͔ؒΒॊೈʹԚ͞ͱ଎͞Λબ୒͢Δͱ͍͏Α͏ ͳث༻ͳܳ౰͸΄ͱΜͲෆՄೳͩͱ͍͑·͢ɻ͜Ε͸ɺۃΊͯجૅతͳͱ͜ΖͰ͋Ε͹ଟগ ͸Ͱ͖Δ͔΋͠Ε·ͤΜ͕ɺ࣮ࡍʹ͸ɺιʔείʔυ͕Ԛͯ͘஗͍ਓ΋͍Ε͹ɺ៉ྷͰ଎͍ ਓ΋ଟ͍͘·͢ɻ
    ʰΤϯδχΞϦϯά૊৫࿦΁ͷট଴ʱ
    Q ΫΠοΫμʔςΟͷਆ࿩
36. ͭ·Γ
    τϨʔυΦϑͰ͸ͳ͍
37. IUUQTUXJUUFSDPNLBU[DIBOHTUBUVT
38. 1IJMJQ
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    ඼࣭Ξοϓ͸ίετΞοϓ͔μ΢ϯ͔ ίετΞοϓઆ ίετμ΢ϯઆ
39. IUUQTTQFBLFSEFDLDPNTIJNBTIJNBTUBSURVBMJUZSFBMGSFFDBNQBJHO 2VBMJUZ
    JT
    'SFF
    㲈
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40. ࣭ อकੑ εϐʔυ యܕతͳޡղ നؙ෇͖໼ҹ
    ෛͷ઀ଓ
    
    ࠜݩ͕૿͑Ε͹ઌ͸ݮΔɻࠜݩ͕ݮΕ͹ઌ͸૿͑Δ
41. ඼࣭Λ٘ਜ਼ʹ͢Δͷ͸ɺޮՌతͳίϯτϩʔϧํ๏Ͱ͸ͳ͍ɻ඼࣭ ͸੍ޚม਺Ͱ͸ͳ͍ɻ
    ௿඼࣭Λड͚ೖΕΔ͜ͱͰɺϓϩδΣΫτ͕଎͘ͳΔ͜ͱ͸ͳ͍ɻ ߴ඼࣭Λཁٻ͢Δ͜ͱͰɺϓϩδΣΫτ͕஗͘ͳΔ͜ͱ΋ͳ͍ɻ
    Ή͠Ζ඼࣭ΛߴΊΔ͜ͱͰɺσϦόϦʔ͕ߴ଎ʹͳΔ͜ͱ͕ଟ͍ɻ ඼࣭ج४ΛԼ͛ͯ͠·͏ͱɺσϦόϦʔ͕஗͘ͳΓɺ
    ༧ଌͰ͖ͳ͘ͳͬͯ͠·͏ɻ ʰΤΫετϦʔϜϓϩάϥϛϯάʱ
    Q
42. ઌ΄Ͳͷ։ൃऀͷ͝·͔͠͸ɺ่յͨ͠ίʔυΛॻ͚͹௕ظతʹ͸஗͘ͳ Δ΋ͷͷɺ୹ظతʹ͸଎౓্͕͕Δͱ͍͏ߟ͑ํʹ΋ͱ͍͍ͮͯΔɻ
    ͜ͷ͜ͱΛ৴͍ͯ͡Δ։ൃऀ͸ɺ่յͨ͠ίʔυΛॻ͘Ϟʔυ͔Βɺ
    ͍ͣΕͲ͔͜ͰΫϦʔϯʹ͢ΔϞʔυʹ੾ΓସΘΕΔɺͱ͍͏
    ʢ΢αΪͱΧϝͷʣ΢αΪͷΑ͏ͳࣗ৴Λ͍࣋ͬͯΔɻ
    ͕ͩɺͦΕ͸ࣄ࣮ޡೝͰ͋Δɻ
    ࣄ࣮͸ɺ୹ظతʹ΋௕ظతʹ΋ɺ่յͨ͠ίʔυΛॻ͘΄͏͕
    ΫϦʔϯͳίʔυΛॻ͘ΑΓ΋ৗʹ஗͍ɻ ʰ$MFBO
    "SDIJUFDUVSFʱ
    QQ
43. ୹ظతʹ΋௕ظతʹ΋ɺ
    ่յͨ͠ίʔυΛॻ͘΄͏͕
    ΫϦʔϯͳίʔυΛॻ͘ΑΓ΋
    ৗʹ஗͍ɻ
    
    #PC
    .BSUJO ʰ$MFBO
    "SDIJUFDUVSFʱ
    Q
44. ࠷ߴͷ։ൃऀ͕͍ͪ͹Μ͖Ε͍޷͖ͳ։ൃऀͰ͋Δ͜ͱʹؾͮ ͍ͨͱ͖ɺࢲ͸ͼͬ͘Γͨ͠ɻ଎͍ϓϩάϥϚʔ͸ࡶͳϓϩά ϥϚʔͩͱࢥ͍͔ͬͯͨΒͩɻ
    ͕ͩɺ࣮ࡍ͸ਖ਼൓ରͩͬͨɻࢲ͕ձͬͨதͰ࠷଎ͷϓϩάϥ Ϛʔ͸ɺίʔυΛѻ͍΍͍͢Α͏ʹอͭ͜ͱʹಛʹ஫ҙΛ෷ͬ ͍ͯͨɻ ʰϨΨγʔίʔυ͔Βͷ୤٫ʱ
    Q
45. ίʔυΛॻ͘଎͞ͱίʔυͷ͖Ε͍͞ʹؔ࿈͕͋Δͱೝࣝͨ͠ ͋ͱͰ΋ɺࢲ͸ͦͷͭͷ͍͋ͩͷҼՌؔ܎Λݟ͚ͭΔͷʹ࣌ ؒΛཁͨ͠ɻ
    ίʔυͷ඼࣭Λߴ͘อ͍ͬͯͨʮʹ΋ؔΘΒͣʯ଎͍ͷͰ͸ͳ ͍ɻίʔυͷ඼࣭Λߴ͘อ͍ͬͯͨʮ͔Βͦ͜ʯ଎͍ͷͩɻ
    ͜ͷ͜ͱΛཧղͨ͠Βɺιϑτ΢ΣΞ։ൃʹର͢Δ
    ݟํ͕มΘͬͨɻ ʰϨΨγʔίʔυ͔Βͷ୤٫ʱ
    QQ
46. ࣭ อकੑ εϐʔυ ίʔυͷ඼࣭Λ٘ਜ਼ʹ͔ͨ͠Β଎͍ͷͰ͸ͳ͘ നؙ෇͖໼ҹ
    ෛͷ઀ଓ
    
    ࠜݩ͕૿͑Ε͹ઌ͸ݮΔɻࠜݩ͕ݮΕ͹ઌ͸૿͑Δ
47. ࣭ อकੑ εϐʔυ ίʔυͷ඼࣭Λߴ͘อ͍ͬͯͨʮ͔Βͦ͜ʯ଎͍ ໼ҹ
    ਖ਼ͷ઀ଓ
    
    ࠜݩ͕૿͑Ε͹ઌ΋૿͑Δɻࠜݩ͕ݮΕ͹ઌ΋ݮΔ
48. Ͱ͸
    εϐʔυ͔Β࣭΁ͷ Өڹ͸Ͳ͏͔
49. ࣭ อकੑ εϐʔυ
    Ͱ͸εϐʔυ͔Β࣭ อकੑ ΁ͷӨڹ͸Ͳ͏͔
50. ඼࣭͸ѱ͍ͱجຊతʹख໭ΓΛੜΉͷͰ଎౓ʹ௓ͶฦΔɻख໭ͬͯ Δ࣌ؒ͸ֶͼΛ͏·ͳ͍࣌ؒɻ඼࣭ΛԼ͛Δͱ͍͏൑அ͸ֶͼͷ଎ ౓௿ԼΛڐ༰͢Δͱ͜ͱɻ
    ैདྷͷమ൘ ͩͱޡղ͞Ε͍ͯͨ ͩͬͨ඼࣭ͯͯ͢଎౓͋͛Α͏͸
    ඼࣭͸ྼԽ͢Ε͹ख໭Γ͕ൃੜ͢Δ͚ͩͰɺ݁ہ͸ϦʔυλΠϜͷ ૿Ճʹ௓ͶฦΔͷͰ΍Ί·͠ΐ͏ɻ ඼࣭͸ྼԽ͢Ε͹ϦʔυλΠϜͷ૿Ճʹ௓ͶฦΔ IUUQJLFZIBUFCMPKQFOUSZ
51. ϦʔυλΠϜ͕૿Ճ͢ΔͱԾઆݕূϓϩηε͕ճΒͳ͍ IUUQJLFZIBUFCMPKQFOUSZ
52. ͭͷΩʔϝτϦΫε wϦʔυλΠϜ
    wσϓϩΠස౓
    w.553 ฏۉम෮࣌ؒ
    wมߋࣦഊ཰ IUUQTXXXBNB[PODPKQEQ
53. ຊ౰ͷؔ܎
54. ຊ౰ͷؔ܎ɹ w಺෦඼࣭͕εϐʔυΛੜΈ
    wεϐʔυֶ͕ͼͷϧʔϓΛੜΈ
    wֶͼͷϧʔϓ͕֎෦඼࣭ΛੜΈ
    w֎෦඼࣭͕ڝ૪ྗΛੜΈ
    wڝ૪ྗ͕ച্ΛੜΈ
    wച্͕಺෦඼࣭ΛҭΉ
55. ࣭ εϐʔυ ຊ౰ͷؔ܎ɹ ໼ҹ
    ਖ਼ͷ઀ଓ
    
    ࠜݩ͕૿͑Ε͹ઌ΋૿͑Δɻࠜݩ͕ݮΕ͹ઌ΋ݮΔ
56. ʮ࣭WTεϐʔυʯͱ͍͏֓೦͸ࠜຊతʹؒҧ͍ͬͯΔͱࢥ͏ɻ
    ͩͬͯૉૣ͘։ൃΛ͠ͳͯ͘͸؀ڥɺ͋Δ͍͸ࣗ෼ͷ؀ڥͷཧղͷม Խʹιϑτ΢ΣΞ͕͍ͭͯ͜Εͣɺιϑτ΢ΣΞ͕ղܾ͢΂͖໰୊͕ ղܾͰ͖ͳ͘ͳΓɺඞવతʹ࣭͕མͪͯ͠·͏ɻ
    ٯʹɺ࣭ͷߴ͍ιϑτ΢ΣΞΛॻ͔ͳͯ͘͸ɺͳʹ͔͋Δ౓ʹΠϯϑ ϥ่͕յ͠ɺૉૣ͘։ൃΛ͢Δ͜ͱ͕Ͱ͖ͳ͘ͳͬͯ͠·͏ɻΠϯϑ ϥͷ่յ͸ɺ΍ΔؾΛ࡟͙ͷͰಛʹ͕ͨͪѱ͍ɻ IUUQTLOPIKQBOTXFSTEDB
57. ࣭WTεϐʔυͱ͍͏ೋ཯എ൓ͷؔ܎͸ɺ ہॴతͳ΋ͷͰ͔͠ͳ͍ɻ
    େҬతʹ͸ɺยํΛ٘ਜ਼ʹͨ͠৔߹ɺ஌ Β͵͏ͪʹ΋͏Ұͭ΋٘ਜ਼ʹ͍ͯ͠Δͱ ͍͏͜ͱΛ͓๨Εͳ͘ɻ IUUQTLOPIKQBOTXFSTEDB
58. Ͳ͏΍ͬͯݸਓͷ࣭ Λ্͛Δͷ͔
59. ιϑτ΢ΣΞͷ։ൃʹ࠷ॳ͔Β࠷ޙ·ͰؔΘΔͱ͍͏ܦݧ͸ͱͯ΋وॏ ͩͬͨΜ͡Όͳ͍ͩΖ͏͔ɻͳͥͳΒɺϓϩδΣΫτ։࢝࣌ͷμϝͳσβ Πϯͷͬ͠΃ฦ͠ΛɺޙͰࣗ෼ͰϞϩʹड͚Δ͔Βͩɻ
    Ұ൪ॏཁͰҰ൪΍͔͍ͬͳεΩϧ͸γεςϜΛઃܭ͢ΔͨΊͷ൑அྗͩɻ
    ͜ͷʮ൑அྗʯ͸ɺϓϩάϥϚʔʹͱͬͯඇৗʹॏཁͳͷ͕ͩɺͦ͏؆୯ ʹڭ͑ΒΕΔ΋ͷͰ΋ͳ͍ɻ΅͕͘஌ΔݶΓɺ൑அྗΛ͚ͭΔ
    Ұ൪ͷํ๏͸ɺࣗ෼Ͱઃܭͨ͠γεςϜΛ௕͍ؒϝϯς͢Δ
    ͜ͱͩͱࢥ͏ IUUQTLOPIKQBOTXFSTEDB
60. ಺෦඼࣭΁ͷ౤ࢿͷ
    ଛӹ෼ذ఺͸
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61. ςετࣗಈԽͷଛӹ෼ذ఺͸ʮճʯ IUUQTXXXBNB[PODPKQEQ ͓ΑͦճͰ
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