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テスト実行時に 不要な初期化コードを実行しないようにする
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kNagadou
February 22, 2018
Programming
1.6k
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テスト実行時に 不要な初期化コードを実行しないようにする
potatotips#48での発表スライドです
kNagadou
February 22, 2018
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Transcript
ςετ࣮ߦ࣌ʹ ෆཁͳॳظԽίʔυΛ࣮ߦ͠ ͳ͍Α͏ʹ͢Δ ,":"$ٕज़෦ ,B[VNBTB/"("%0 QPUBUPUJQT
ࣗݾհ w ,B[VNBTB/"("%0 w ,":"$ೖࣾϲ݄ w ʢʣ/1$+ϑΟδʔΫ ϊʔϏεΫϥεग़༧ఆ w 5XJUUFS!L[NTOHE
ϓϥίϨ ϓϥίϨ8FEEJOH IUUQTQMBDPMFXFEEJOH %SFTTZCZϓϥίϨ IUUQTESFTTZQMBDPMFXFEEJOH
ΞϓϦىಈ࣌ʹॳظσʔλΛߏங͢Δ͜ͱ͕͋Δ ྫʣςετ༻ͷϢʔβάϧʔϓ ڥݻ༗ͷม ֎෦4%,ͷηοτΞοϓ ͳͲ
ᶃΞϓϦͷॳظԽॲཧͳͲͰ.PEFMͷৼΔ͍͕มΘΒͳ͍Α͏ʹ͍ͨ͠ ॳظԽॲཧɺ"QQ%FMFHBUFʹॻ͘͜ͱ͕ଟ͍ɻ ςετ࣌"QQ%FMFHBUFͷॲཧΛ࣮ߦ͠ͳ͍Α͏ʹ͍ͨ͠
ᶄ7JFX7JFX$POUSPMMFSͷΠϯελϯεෆཁ σϑΥϧτͩͱɺ6OJUςετ࣌6*͕ϩʔυ͞ΕΔ .BJO*OUFSGBDFͷϩʔυίʔυͰͰ͖Δ
ᶅςετ༻ͷίʔυ͕"QQ%FMFHBUFʹଘࡏͯ͠͠·͏ let isRunningTest = ProcessInfo.processInfo.environment["XCInjectBundleInto"] != nil if isRunningTest {
// ςετ࣌ͷॳظԽॲཧ } else { // ϓϩμΫγϣϯ༻ͷॳظԽॲཧ } ςετ༻ͷॳظԽॲཧผͷॴʹ͚͍ͨ
ςετ͕࣮ߦ͞Ε͍ͯΔ͔ఆ ςετ࣮ߦ࣌5FTU"QQ%FMFHBUFΛ༻ɺͦ͏͡Όͳ͍ͳΒ "QQ%FMFHBUFΛ༻ .BJO*OUFSGBDFͷϩʔυɺϓϩμΫγϣϯ༻ͷ"QQ%FMFHBUFͰ ॲཧ ɹʢςετ༻ͷ5FTU"QQ%FMFHBUFɺ.BJO*OUFSGBDFΛϩʔυ͠ͳ͍ʣ ͱ͢Εྑͦ͞͏ɻ
<NBJOTXJGU> 5FTU"QQ%FMFHBUFͱ"QQ%FMFHBUFΛ͍͚ΒΕΔΑ͏ʹɺςετ࣮ߦఆΛ NBJOؔʹॻ͘ɻ 4XJGUͷNBJOؔͲ͜ʹ͋Δͷ͔ʁ ࣮ɺ҉తʹએݴ͞Ε͓ͯΓɺNBJOTXJGUΛϓϩδΣΫτʹՃ͢Δ͜ͱͰ NBJOؔతͳॲཧΛॻ͚Δɻ
import UIKit let isRunningTest = ProcessInfo.processInfo.environment["XCInjectBundleInto"] != nil let appDelegateClass
= isRunningTest ? NSStringFromClass(TestAppDelegate.self) : NSStringFromClass(AppDelegate.self) let args = UnsafeMutableRawPointer(CommandLine.unsafeArgv).bindMemory(to: UnsafeMutablePointer<Int8>.self, capacity: Int(CommandLine.argc)) UIApplicationMain(CommandLine.argc, args, nil, appDelegateClass) <NBJOTXJGU> NBJOTXJGUΛϓϩδΣΫτʹՃɻ ςετ࣮ߦதͳΒɺ5FTU"QQ%FMFHBUFΛUIApplicationMain(_,_,_,_)ͷҾ ʹ͢ॲཧΛॻ͘ɻ
<5FTU"QQ%FMFHBUFTXJGU> 5FTU"QQ%FMFHBUFɺͱΓ͋͑ͣॲཧͳ͠Ͱ0, import UIKit class TestAppDelegate: UIResponder, UIApplicationDelegate { }
<"QQ%FMFHBUFTXJGU> .BJO*OUFSGBDFΛϩʔυ͢ΔίʔυΛॻ͘ let storyboard = UIStoryboard(name: "Main", bundle: nil)
window = UIWindow() window?.rootViewController = storyboard.instantiateInitialViewController() window?.makeKeyAndVisible()
1SPKFDU(FOFSBM%FQMPZNFOU*OGPʹ͋Δ.BJO *OUFSGBDFΛϒϥϯΫʢۭനʣʹ͢Δɻ ·ͨɺJOGPQMJTUͷ6*.BJO4USPZCPBSE'JMFΛআɻ
<"QQ%FMFHBUFTXJGU> Εͣʹɺ"QQ%FMFHBUFTXJGU͔Β@UIApplicationMainΛআɻ ʢUIApplicationMain(_,_,_,_)ΛݺΜͰɺσϦήʔτΫϥεΛ͢ "UUSJCVUFʣ // @UIApplicationMain class AppDelegate: UIResponder,
UIApplicationDelegate {
·ͱΊ NBJOTXJGUͰςετ࣮ߦதͷఆΛͯ͠ɺ5FTU"QQ%FMFHBUFΛ͏ ςετ࣮ߦ࣌.BJO*OUFSGBDFϩʔυͨ͘͠ͳ͍ͷͰɺJOGPQMJTU͔Β আ ˠϓϩμΫγϣϯ༻ͷ"QQ%FMFHBUFͰϩʔυ͢ΔΑ͏ʹ͢Δ
͋Γ͕ͱ͏͍͟͝·ͨ͠
ςετ࣮ߦதͷఆํ๏ʹ͍ͭͯ let isRunningTest = ProcessInfo.processInfo.environment["XCInjectBundleInto"] ! = nil //
or let isRunningTest = NSClassFromString("XCTestCase") != nil
ͲͪΒͰఆͨ͠ํ͕Α͍͔ʁ • ProcessInfo.processInfo.environment[“XCInjectBundleInto"] xcodebuild test࣮ߦ࣌ʹඞͣଘࡏ͢Δڥม • NSClassFromString(“XCTestCase") XCTestCase͕ଘࡏ͠ͳ͍ڥͩͱɺਖ਼͘͠ఆͰ͖ͳ͍
ςετ͕ಋೖ͞Ε͍ͯͳ͍ΞϓϦΛϦϑΝΫλ ˣ .PEFMͷ6OJUςετΛॻ͘ ˣ ෆཁͳॳظԽίʔυΛ࣮ߦ͠ͳ͍Α͏ʹͨ͠
ࢀߟ <>'BLF"QQ%FMFHBUF'PS6OJU5FTUJOH*O4XJGU IUUQTNBSDPTBOUBEFWDPNGBLFBQQEFMFHBUFVOJUUFTUJOHTXJGU <>)PXUP&BTJMZ4XJUDI:PVS"QQ%FMFHBUFGPS5FTUJOH IUUQTRVBMJUZDPEJOHPSHBQQEFMFHBUFGPSUFTUT <>9DPEFͰςετ࣮ߦ࣌ʹ"QQ%FMFHBUFΛ͚Δ IUUQTRJJUBDPNLFZJUFNTEBCCFBFDE