Written in Japanese 20/July/2019 E2E Test Automation Dayの発表資料です。 探索的テスト、中でのその思想・哲学面である水平思考について書いてあります。
ϙετʮςετࣗಈԽʯΛݟਾ͑ͯʙਫฏࢥߟͱ୳ࡧతςετͷੈքʙPost “TEST AUTOMATION”––Lateral Thinking & Exploratory Testing ––July 20, 2019Masanori Kawarada @mkwrd QA Evangelist International Conference Freek
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͔ΘΒͩ!NLXSEw Տݪాయʢ͔ΘΒͩɾ·͞ͷΓʣw 'JOUFDIاۀͰ࣭จԽΛΊΔࣄw Ո ԁͷ෦ʹॅΜͰ͍·͢w 4FMFOJVN$POG5PLZPӡӦνʔϜw ւ֎Ͱొஃ͍ͨ͠
͔ΘΒͩ!NLXSEw ೦ͳ͓Βͤ㾎ؾࢧԌΛिؒױ͓ͬͯΓ·͢㾎͕ຊௐࢠͰ͋Γ·ͤΜ㾎͓ฉ͖͍ۤ͠ɼ͝༰͍ࣻͩ͘͞ʜʜ
˒େࡕग़ͷಉ྅͔Βಘͨใ㾎ւ༡ؗʹେ͖ͳδϯϕΠβϝ͕͍Δ㾎͓Έম͖෩݄Ϛετ㾎۲ΧπಈԂલ·Ͱߦ͘ͱຊؾ㾎ಈԂલͰன͔Β۲ΧπͱϏʔϧˠఱԦࣉͰϋϧΧε؍ޫ㾎ਓͱͪ͝Όͪ͝ΌҿΉͷ͕͖ͳΒཪͳΜ㾎༧ඞਢͷম͖ௗɿೆ൮ॳΊͯͷେࡕ
ॳΊͯͷେࡕࢲΛ༡ͼʹ࿈Εͯͬͯ͘ΕΔਓΛେืूʂʂͳ͓ɼ໌ҏ୮ۭߓൃͷศͰؼΓ·͢
͏ͻΐʔʂɹָ͠Έͩͥʔʂʂΰϗΰϗ ͱ͍͏Θ͚Ͱࣄ͠·͢Ͷ
ୈষɹ͜ͷτʔΫͷҙٛ
ͦͦࠓʜʜਫฏࢥߟʁ ୳ࡧతςετʁ
ͱͱ͜ͷʜʜਫฏࢥߟʁ ୳ࡧతςετʁԠืηογϣϯʢථ֫ಘʂʣ
ͳͥ4FMFOJVN$POGͰ୳ࡧతςετͷΛ͠Α͏ͱͨ͠ͷ͔ʁ
ཧ༝୳ࡧతςετ͕ະདྷͷςελʔͷࣄͱͳΔ
ཧ༝୳ࡧతςετ͕ະདྷͷςελʔͷࣄͱͳΔϓϩϑΣογϣφϧͰ͋ΔςετΤϯδχΞ
ཧ༝୳ࡧతςετ͕ະདྷͷςελʔͷࣄͱͳΔͰͳ͍
ཧ༝୳ࡧతςετ͕ະདྷͷςελʔͷࣄͱͳΔw ςετࣗಈԽͷਐา͕ஶ͍͠
ཧ༝୳ࡧతςετ͕ະདྷͷςελʔͷࣄͱͳΔw ςετࣗಈԽͷਐา͕ஶ͍͠w 6*ςετࣗಈԽʴ"1*ςετࣗಈԽˠखΛಈ͔͢ςετ͕ͲΜͲΜͳ͘ͳΔ
ཧ༝୳ࡧతςετ͕ະདྷͷςελʔͷࣄͱͳΔw ςετࣗಈԽͷਐา͕ஶ͍͠w 6*ςετࣗಈԽʴ"1*ςετࣗಈԽˠखΛಈ͔͢ςετ͕ͲΜͲΜͳ͘ͳΔw ϓϩάϥϜ͔ͩΒ։ൃऀ͕ςετΛཧղ͠ςετࣗಈԽΛਪਐ͢ΔΑ͏ʹͳΔ
ཧ༝୳ࡧతςετ͕ະདྷͷςελʔͷࣄͱͳΔw ςετࣗಈԽͷਐา͕ஶ͍͠w 6*ςετࣗಈԽʴ"1*ςετࣗಈԽˠखΛಈ͔͢ςετ͕ͲΜͲΜͳ͘ͳΔw ϓϩάϥϜ͔ͩΒ։ൃऀ͕ςετΛཧղ͠ςετࣗಈԽΛਪਐ͢ΔΑ͏ʹͳΔઐࣝ
ͪͳΈʹɿ࣭ઐՈͷधཁແ͘ͳΓ·ͤΜw ࠷దͳ࣭อূʢ2"ʣͷܗ֤ۀքɾ֤ࣾɾ֤ϓϩδΣΫτͰҟͳΔw ͦΕͧΕʹԠͨ͡2"ϓϩηεΛΓग़ͤΔͷɼ࣭ͷઐՈ͚ͩw ελʔτΞοϓͷதʹૣ͔͘Β࣭ͷॏཁੑʹؾ͍͍ͮͯΔձࣾ͋Δw 2"ͱ͍͏·͊·͊ΒΕ͟ΔੈքͷਫઌҊਓw ҰํͰɼ౷తͳϚχϡΞϧςετͷΈΛߦ͢ΔςετΤϯδχΞͷधཁશମతʹݮΔͱࢥΘΕΔˠςετࣗಈԽͰ૬ͷൣғΛΧόʔ
ཧ༝ຊޠͰखʹೖΔ୳ࡧతςετใ͕গͳ͍
ཧ༝ຊޠͰखʹೖΔ୳ࡧతςετใ͕গͳ͍w ୳ࡧతςετɿສ݅
ཧ༝ຊޠͰखʹೖΔ୳ࡧతςετใ͕গͳ͍w ୳ࡧతςετɿສ݅w &YQMPSBUPSZ5FTUJOHɿ ສ݅
ཧ༝ຊޠͰखʹೖΔ୳ࡧతςετใ͕গͳ͍w ୳ࡧతςετɿສ݅w &YQMPSBUPSZ5FTUJOHɿ ສ݅ ͋ɼѹత͡Όͳ͍͔ɾɾɾ
ཧ༝ຊޠͰखʹೖΔ୳ࡧతςετใ͕গͳ͍w ୳ࡧతςετɿສ݅w &YQMPSBUPSZ5FTUJOHɿ ສ݅w ઐҰʹѻ͏ຊޠͷॻ੶ແ͍ ѹతͳࠩ
ཧ༝ຊޠͰखʹೖΔ୳ࡧతςετใ͕গͳ͍w ୳ࡧతςετɿສ݅w &YQMPSBUPSZ5FTUJOHɿ ສ݅w ઐҰʹѻ͏ຊޠͷॻ੶ແ͍w ༸ॻͰදత ѹతͳࠩ
ཧ༝୳ࡧతςετ͕ະདྷͷςελʔͷࣄͱͳΔ ཧ༝ຊޠͰखʹೖΔ୳ࡧతςετใ͕গͳ͍
ςετࣗಈԽ͕ਐΊ୳ࡧతςετΛͨΓલʹΔ͕࣌དྷΔͰɼࠓͷຊͰඋ͑ΒΕͳ͍
ੈքͷςετࣗಈԽΤϯδχΞ͕ू·Δ4FMFOJVN$POGͰɼ͋͑ͯະདྷΛݟਾ͑ͯ୳ࡧతςετͷΛͨ͠Β͓͠Ζ͍ͣʂ
ͱࢥͬͨΒ͓فΓ͞ΕͨΘ͚Ͱ͢Αɻ
ͱࢥͬͨΒ·͔͞ͷେࡕɻϫΠتɻ*❤0TBLB
ୈষɹ୳ࡧతςετͷΞϓϩʔν ɹͱͯ͠ͷਫฏࢥߟೖ
୳ࡧతςετͷ ͚ͩ͢Ε ͍͍Μ͡Όͳ͍ͷʁͳΜͰΘ͟Θ͟ਫฏࢥߟͱΒͷΛ͢Δͷʁʁ
Ξϓϩʔνɾݪɾཧ۶ςΫχοΫɾٕ๏ɾ࣮ફ
ςΫχοΫɾٕ๏ɾ࣮ફ
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Ξϓϩʔνɾݪɾཧ۶
Ξϓϩʔνɾݪɾཧ۶Ingo Phillip
ਫฏࢥߟLateral Thinking
ΤυϫʔυɾσϘϊʦஶʧ౻ౡΈ͞ࢠʦ༁ʧʢʣʰਫฏࢥߟͷੈքʱʢ͖͜ॻʣ&EXBSEEF#POP l-"5&3"-5)*/,*/("/*/530%6$5*0/z
32 Playerscompete forVICTORY
32 Playerscompete forVICTORY༏উऀ͕ܾ·Δ·Ͱ͜ͷτʔφϝϯτͰԿࢼ߹͕ߦΘΕΔ͔ʁ
32 Playerscompete forVICTORY3PVOE ࢼ߹ બख3PVOE 3PVOE3PVOE4'JOBM'JOBM5PUBM
32 Playerscompete forVICTORY3PVOE ࢼ߹ બख3PVOE 3PVOE 3PVOE4'JOBM'JOBM5PUBM
32 Playerscompete forVICTORY3PVOE ࢼ߹ બख3PVOE 3PVOE 3PVOE 4'JOBM 'JOBM 5PUBM
32 Playerscompete forVICTORY3PVOE ࢼ߹ બख3PVOE 3PVOE 3PVOE 4'JOBM 'JOBM 5PUBM ▶︎ ཧతɾੳతɾγʔέϯγϟϧ ⾢
32 Playerscompete forVICTORY3PVOE ࢼ߹ બख3PVOE 3PVOE 3PVOE 4'JOBM 'JOBM 5PUBM ▶︎ ཧతɾੳతɾγʔέϯγϟϧ ⾢ਨࢥߟVertical Thinking
3PVOE ࢼ߹ બख3PVOE 3PVOE 3PVOE 4'JOBM 'JOBM 5PUBM ਨࢥߟVertical ThinkingਫฏࢥߟLateral Thinking▶︎ ཧతɾੳతɾγʔέϯγϟϧ ⾢ ▶︎ ײతɾ૯߹తɾϥϯμϜ ⾢
3PVOE ࢼ߹ બख3PVOE 3PVOE 3PVOE 4'JOBM 'JOBM 5PUBM ਨࢥߟVertical ThinkingਫฏࢥߟLateral Thinking▶︎ ཧతɾੳతɾγʔέϯγϟϧ ⾢উऀ͚ͩͰͳ͘ഊऀʹண͢Δ▼▶︎ ײతɾ૯߹తɾϥϯμϜ ⾢
3PVOE ࢼ߹ બख3PVOE 3PVOE 3PVOE 4'JOBM 'JOBM 5PUBM ਨࢥߟVertical ThinkingਫฏࢥߟLateral Thinking▶︎ ཧతɾੳతɾγʔέϯγϟϧ ⾢ ▶︎ ײతɾ૯߹తɾϥϯμϜ ⾢উऀ͚ͩͰͳ͘ഊऀʹண͢Δ▼ਓ͕༏উ͢ΔͳΒΓͷਓͲ͔͜Ͱෛ͚Δ
3PVOE ࢼ߹ બख3PVOE 3PVOE 3PVOE 4'JOBM 'JOBM 5PUBM ਨࢥߟVertical ThinkingਫฏࢥߟLateral Thinking▶︎ ཧతɾੳతɾγʔέϯγϟϧ ⾢ ▶︎ ײతɾ૯߹తɾϥϯμϜ ⾢উऀ͚ͩͰͳ͘ഊऀʹண͢Δ▼ਓ͕༏উ͢ΔͳΒΓͷਓͲ͔͜Ͱෛ͚Δෛ͚ΔճͦΕͧΕճͣͭͱ͍͏͜ͱࢼ߹
3PVOE ࢼ߹ બख3PVOE 3PVOE 3PVOE 4'JOBM 'JOBM 5PUBM ਨࢥߟVertical ThinkingਫฏࢥߟLateral Thinking▶︎ ཧతɾੳతɾγʔέϯγϟϧ ⾢ ▶︎ ײతɾ૯߹తɾϥϯμϜ ⾢উऀ͚ͩͰͳ͘ഊऀʹண͢Δ▼ਓ͕༏উ͢ΔͳΒΓͷਓͲ͔͜Ͱෛ͚Δෛ͚ΔճͦΕͧΕճͣͭͱ͍͏͜ͱࢼ߹తࢥߟCreative Thinking▼
3PVOE ࢼ߹ બख3PVOE 3PVOE 3PVOE 4'JOBM 'JOBM 5PUBM ਨࢥߟVertical ThinkingਫฏࢥߟLateral Thinking▶︎ ཧతɾੳతɾγʔέϯγϟϧ ⾢ ▶︎ ײతɾ૯߹తɾϥϯμϜ ⾢▼୳ࡧతςετExploratory Testing▼
ਨࢥߟVertical ThinkingਫฏࢥߟLateral Thinking▶︎ ཧతɾੳతɾγʔέϯγϟϧ ⾢ ▶︎ ײతɾ૯߹తɾϥϯμϜ ⾢▼୳ࡧతςετExploratory Testing▼▼▼ܗࣜతςετFormal Testing
ਨࢥߟVertical ThinkingਫฏࢥߟLateral Thinking▶︎ ཧతɾੳతɾγʔέϯγϟϧ ⾢ ▶︎ ײతɾ૯߹తɾϥϯμϜ ⾢▼୳ࡧతςετExploratory Testing▼▼▼ܗࣜతςετFormal Testingόά
ୈষɹϙετʮςετࣗಈԽʯΛݟਾ͑ͯ
2"ɾςετઓུͷతୈҐ
2"ɾςετઓུͷతୈҐސ٬ຬͷอূ&OTVSF&OE6TFS4BUJTGBDUJPO
ϓϩμΫτʹ͍͍ͭͯͬͯΔ͜ͱ
#Z*OHP1IJMJQQBUϓϩμΫτʹ͍͍ͭͯͬͯΔ͜ͱ
#Z*OHP1IJMJQQBU
ςετTest͍ͬͯΔ͜ͱͱΒͳ͍͜ͱͱͷΪϟοϓΛຒΊΔͨΊTo close the knowledge gap
୳ࡧతςετExploratory TestingܗࣜతςετFormal TestingςετTest
୳ࡧతςετExploratory Testing˛ܗࣜతςετFormal Testing✔✔✔✔✔✔✔✔✔ςετTest
୳ࡧతςετExploratory Testing˛˛ܗࣜతςετFormal Testing✔✔✔✔✔✔✔✔✔✔✔✔✔✔ςετTest
˛୳ࡧతςετExploratory Testing˛˛˛ܗࣜతςετFormal Testing✔✔✔✔✔✔✔✔✔✔✔✔✔✔ςετTest
˛୳ࡧతςετExploratory Testing˛˛˛ܗࣜతςετFormal Testing✔✔✔✔✔ςετTest
˛୳ࡧతςετExploratory Testing˛˛˛ܗࣜతςετFormal TestingςετTest
ςετʁTest?
಄ΛΘͳ͍͍ͯ͘͜ͱɾͰ͖Δ͜ͱػցʹΒͤΔʢ͜ͱ͕Ͱ͖ΔΑ͏ʹࣗಈԽΛਐΊΔʣ಄ΛΘͳ͚ΕͳΒͳ͍͜ͱʹਓؒྗΛ͙
ਓ͕ؒ಄ΛΘͳ͚ΕͳΒͳ͍͜ͱɻԿ͕͋Γ·͢ʁ
ਫฏࢥߟΛϑϧʹ׆͔ͨ͠୳ࡧతςετ͕ͦ͜ςετΤϯδχΞʹظ͞ΕΔ͕͙࣌ͦ͢͜·Ͱདྷ͍ͯ·͢
ਫฏࢥߟੜ·Ε͖ͭͷ࠽ೳͰͳ͘शಘͰ͖ΔεΩϧͰ͢ɻͪΖΜ୳ࡧతςετɻ
ੈքͰ࠷༏Εͨςετπʔϧ
ਓؒͷ಄Ͱ͢ੈքͰ࠷༏Εͨςετπʔϧ