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開発を効率化するテストのデザインパターン
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Kuniwak
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March 13, 2017
Programming
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開発を効率化するテストのデザインパターン
2017/3/13 iOS Test Night #3
https://testnight.connpass.com/event/49561/
Kuniwak
PRO
March 13, 2017
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Transcript
։ൃΛޮԽ͢Δ ςετͷσβΠϯύλʔϯ
"CPVUNF
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ࠓհ͢Δύλʔϯ
ܕʹΑΔޚ
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ςετͷ ߏԽ
σόοάͷ ޮԽ
લͷͷ΄ͲΦεεϝ
࣮ྫ͋Γ·͢
None
None
ܕʹΑΔޚ
ͦͦςετͬͯ ޮతͳͷͩΖ͏͔ʁ
ߏจϋΠϥΠτ Ϧϯτ ੩తܕݕࠪ ୯ମɾ݁߹ςετ &&ςετ खಈಈ࡞֬ೝ όά9Λݟ͚ͭͨॴ όά9
ߏจϋΠϥΠτ Ϧϯτ ੩తܕݕࠪ ୯ମɾ݁߹ςετ &&ςετ खಈಈ࡞֬ೝ όά" ্ͷํͰࢭ·Δͱ ॴཁ͕͍࣌ؒ όά#
ςετͩͱ͕࣌ؒ ͔͔Δ
ͳΔ͘ςετલʹ όάΛݟ͚͍ͭͨ ͜Ε͕ޮత
Semantic Type σβΠϯύλʔϯ
จࣈྻͱͯ͠ͷૢ࡞ ඞཁͳ͍ͷͰӅ͢ ҙຯʹΑΔಠࣗܕ 5FTUBCMF%FTJHO&YBNQMF(JU)VC(JU)VC6TFSTXJGU--
Ϣʔβʔ໊Λड͚औΕΔ ؔʹ͔ͤ͠ͳ͍ 5FTUBCMF%FTJHO&YBNQMF(JU)VC(JU)VC3FQPTJUPSZTXJGU--
ؒҧͬͨॲཧΛॻ͖ͮΒ͍ Մಡੑߴ·Δ
Registration Token σβΠϯύλʔϯ
ඞཁͳࣄલͷॲཧΛ Εͳ͍Α͏ʹ͢Δύλʔϯ
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উखʹ࡞Εͳ͍ ొ͢ΔͱೖखͰ͖Δ 5FTUBCMF%FTJHO&YBNQMF.WD"SDIJUFDUVSF4UBSHB[FST4UBSHB[FS$FMMTXJGU--
ඞཁͳࣄલͷॲཧΛΕΔͱ ܕݕࠪʹ௨Βͳ͍
ςετ ༰қઃܭ
ਓؒςετ༰қͳ ͷ͔͠ςετͰ͖ͳ͍
ViewController Factory σβΠϯύλʔϯ
3FOBNFͳͲͰ 4UPSZCPBSEͱͷ߹ੑ ؆୯ʹյΕΔ 5)&ݫ͍͠
7JFX$POUSPMMFSͷ࡞ؔ 'PSDF6OXSBQܕ͜͜Ͱଋറ 5FTUBCMF%FTJHO&YBNQMF.WD"SDIJUFDUVSF4UBSHB[FST4UBSHB[FST.WD$PNQPTFSTXJGU--
͜͜Ͱ׆͖Δ 7JFX$POUSPMMFSͱ4UPSZCPBSEͷ߹ੑΛݕূ 5FTUBCMF%FTJHO&YBNQMF5FTUT.WD"SDIJUFDUVSF4UBSHB[FS.WD$PNQPTFS5FTUTTXJGU
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State-Machine Model σβΠϯύλʔϯ
.7 ͷ.PEFMͷ ཏςετ͍͠ ཏ͖͠Εͳ͍ʂ
.PEFMͷঢ়ଶભҠΛ੍ݶ ͔ͩΒ
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ͦΕͧΕͷҹΛ ςετ͢Δ͚ͩͰΑ͍
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ঢ়ଶ͕രൃ͢Δલʹ ঢ়ଶΛ੍ݶͯ͠ѹతཏ
ςετͷ ߏԽ
ςετ͕૿͑ΔʹͭΕ ςετࣗମͷอकੑ͕ॏཁʹͳΔ
Parameterized Test σβΠϯύλʔϯ
ྨࣅͨ͠ςετέʔε͕ ଟ͍߹ͷύλʔϯ
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Promisified Test σβΠϯύλʔϯ
ඇಉظςετΈ͕ଟ͍ ಡΈͮΒ͍͜ͱ͕ଟ͍
None
Ұํ+4քͰ1SPNJTFʹ ΑΔඇಉظςετ͕༏ ඇಉظͳͷऔಘͷσβΠϯύλʔϯ
J04Ͱ͍͍ͨʜ
None
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ಡΈ͍͢ ॻ͖͍͢
σόοάͷ ޮԽ
Diff Assertion σβΠϯύλʔϯ
Α͋͘Δςετ .JSSPS%J⒎,JU3&"%.&NE
ಡΊ͵
։ൃ͠·ͨ͠
͜͏͢Δͱʜ .JSSPS%J⒎,JU3&"%.&NE
None
.JSSPSͱ͍͏3FqFDUJPO"1*Λ ͬͯɺߏతͳEJ⒎Λܭࢉ
ͬͯΈ͍ͯͩ͘͞ʂ ˒Β͑Δͱخ͍͠Ͱ͢ʂ
·ͱΊ ͞·͟·ͳύλʔϯΛۦͯ͠ ޮతʹ։ൃ͠·͠ΐ͏
Φεεϝͷࢿྉ ςετքͰ༗໊ͳ σβύλຊ ϞοΫεύΠελϒͷ ఆٛɺࠓհͨ͠ ύλʔϯͷൃݩ͕ ͨ͘͞Μࡌͬͯ·͢