iOSアプリ単体テスト入門

by Yamada Ryo

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IOSΞϓϦ୯ମςετ ೖ໳ ΫϥεϝιουגࣜձࣾɹϞόΠϧΞϓϦαʔϏε෦ɿɹࢁాɹྑ

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ର৅ऀ • ະͩiOSΞϓϦͰ୯ମςετΛॻ͍ͨ͜ͱͷͳ͍ਓ • ςετ͠΍͍͢ίʔυͷॻ͖ํ͕ྑ͘Θ͔Βͳ͍ਓ

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ςʔϚΛܾΊͨܦҢ • ࢲࣗ਎͕iOSΞϓϦͷ୯ମςετΛॻ͍ͨܦݧ͕ͳ͍ • ϓϩδΣΫτͰ୯ମςετΛॻ͘ػձ͕͋ͬͨ • ͜Ε͔Β୯ମςετ΁ͷཧղΛਂΊ͍͖͍ͯͨͱ͍͏Ϟν ϕʔγϣϯ

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؆୯ͳࣗݾ঺հ • iOSΞϓϦ։ൃܦݧɿ໿̎೥ • αʔόαΠυ΍WebFrontɺ૊ΈࠐΈ΍windowsͷΫϥαό ͳͲ৭ʑͳҊ݅ʹབྷΜͰ͍ͨͷͰͣͬͱiOSΞϓϦ։ൃΛ ͍ͯͨ͠༁Ͱ͸ͳ͍Ͱ͢ • ݩCOBOLer

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ମݧͨ͠୯ମςετͷޮՌ • ͙͢ʹޮՌΛ࣮ײͰ͖Δ΋ͷͰ͸ͳ͍ɻ • ޙʑɺʮطଘͷϓϩμΫτίʔυΛഁյ͍ͯ͠ͳ͍͔͕Θ ͔Δʯ • ഁյ͍ͯ͠ͳ͍͜ͱ͕Θ͔ΔͨΊɺਫ਼ਆతʹ҆৺ײ͕͋Δ

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ࠓճͷ୯ମςετಋೖͷൣғ • ϏδωεϩδοΫʹద༻ • UIςετʹ͍ͭͯ͸ࠓޙͷ՝୊ͱ͍ͯ͠Δ

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ςετΛॻ͜͏ͱͯ͠Ϳͪ౰ͨΔน • ΊͪΌͪ͘Όςετ͠ʹ͍͘෦෼͕ग़ͯ͘Δɻ • ఘΊ΋؊৺

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ͦ΋ͦ΋ςετ͠΍͍͢ίʔυͱ͸ʁ • Dependency Injection(DI)͠·͢ • ґଘ͢ΔϞδϡʔϧΛ಺෦Ͱੜ੒͢ΔͷͰ͸ͳ͘ɺʮ஫ೖ ͢Δʯ

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SWIFTͰDIͬͯͲ͏΍Δͷʁ • protocolΛ্खʹ࢖͏ • ࣗ෼Ͱॻ͍ͨΫϥεͰ͋Ε͹ɺinitializeͰґଘؔ܎Λ஫ೖ ͢Δ • ViewControllerʹDIͰ͖ΔϥΠϒϥϦ΋ଘࡏ͢Δ • ViewController͸ผ్InjectϝιουΛ࡞ͬͯରԠͨ͠

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۩ମతͳྫ.ʢϓϩμΫτʣ ViewController Presenter DataStore Viewͷૢ࡞ APIίʔϧ View΁ͷඳը໋ྩ APIίʔϧ໋ྩ • ࠨͷΑ͏ͳߏ଄ ͷϓϩμΫτΛྫ ʹ͠·͢ɻ • ࠓճ͸Presenter ʹߜͬͯղઆ͠· ͢

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۩ମతͳྫ.ʢVIEWCONTROLLERʣ

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۩ମతͳྫ.ʢDIʣ

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۩ମతͳྫ.ʢPRESENTER - 1ʣ

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۩ମతͳྫ.ʢPRESENTER - 2ʣ

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۩ମతͳྫ.ʢMOCKʣ

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୯ମςετ͠΍͍͢ϞόΠϧΞʔΩςΫνϟ • ΫϦϯΞʔΩςΫνϟ

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ʮςετ͠΍͍͢ίʔυʯΛແࢹࣦͯ͠ഊͨ͠ྫ • KeychainΛૢ࡞͢ΔγϯάϧτϯΛ࢖༻ͨ͠SDKΛ PresenterͰ௚઀ૢ࡞ͯ͠Keychainͷ஋Λॻ͖׵͑ͯ͠ ·ͬͨ

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SDK͕γϯάϧτϯΦϒδΣΫτΛ࢖͍ͬͯͨ࣌ͷճආ ํ๏ • WrapperΫϥεΛ࡞ͬͯɺprotocolΛܧঝͨ͠Ϋϥεʹแ Μͩ

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୯ମςετΛಋೖͨ͠ࡍͷฐ֐ • ࣮૷ྔʢ࡞ۀྔʣ͸ଟ͘ͳΔ • ΠϯλʔϑΣʔε͕มΘΔ࢓༷มߋͷࡍɺमਖ਼ྔ͕ଟ͘ͳͬ ͯਫ਼ਆతʹͭΒ͍

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൪֎ฤɿ࣮APIΛୟ͘ςετΛॻ͖͔ͨͬͨ࿩ • ຖճࢼ͍ͨ͠Θ͚Ͱ͸ͳ͍͕ɺAPIʢ֎෦γεςϜʣ͕ਖ਼ ͍͠ϨεϙϯεΛฦ͍ͯ͠Δ͔ɺ࣌ʑ֬ೝ͔ͨͬͨ͠ • SchemeΛ෼͚ͯɺ࣮APIΛୟ͘ςετΛผ్࡞੒ͨ͠ • CIπʔϧʹͯ୯ମςετΛ૸Β͍͕ͤͯͨɺ࣮APIΛୟ͘ Scheme͸ର৅֎ͱͨ͠

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ݱঢ়ͷײ૝ • Կ౓͔ഁյతมߋΛ๷͛ͨ৔໘͕͋ΓɺޮՌ͸͋ͬͨ • ॻ͖׳Ε͍ͯͳ͍෼ɺ࡞ۀ͕ͳ͔ͳ͔ਐ·ͳ͔ͬͨ • Ώ͘Ώ͘͸Test-DrivenDevelopment(TDD)Λಋೖͯ͠ςε τͰ͖ΔϓϩμΫτίʔυͷΈ͕ଘࡏ͢ΔΑ͏ʹ͍ͨ͠ʢཧ ૝࿦ʣ

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͝ਗ਼ௌ ͋Γ͕ͱ͏͍͟͝·ͨ͠