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VIPER Architecture
͔ΒֶͿ
Dependency Injection
iOS Test Night #5
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ࣗݾհ
• ຊ໊: ݈հ
• Github: starhoshi
• Twitter: @star__hoshi
• Classi גࣜձࣾ
• -> 8/1 ͔Β ʁʁʁ
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VIPER ͷ Router ʹ͍ͭͯ
IUUQTDIFFTFDBLFMBCTDPNCMPHJPTQSPKFDU
BSDIJUFDUVSFVTJOHWJQFS
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ͬ͘͟Γ VIPER
• View
• Interactor
• Presenter
• Entity
• Router
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ͬ͘͟Γ VIPER
• View - UIViewController
• Interactor - UseCase(Business Logic)
• Presenter - View ͱ Interactor Λհ
• Entity - Data Structure
• Router - ը໘ભҠͱ Dependency Injection
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ͬ͘͟Γ VIPER
• View - UIViewController
• Interactor - UseCase(Business Logic)
• Presenter - View ͱ Interactor Λհ
• Entity - Data Structure
• Router - ը໘ભҠͱ Dependency Injection
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Router ͷׂ
•
ը໘ભҠ
•
ը໘ભҠͱ Dependency Injection
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͜Μͳ͔Μ͡
IUUQTDIFFTFDBLFMBCTDPNCMPHJPTQSPKFDU
BSDIJUFDUVSFVTJOHWJQFS
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͕࣌ؒͳ͍ͷͰ
ཧղ͘͢͢͠ΔͨΊ
View, Presenter, Router
͚ͩݟ͍͖ͯ·͢
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View
protocol UserView: class {
var presenter: UserPresentation { get }
init(presenter: UserPresentation)
}
final class UserViewController: UIViewController,
UserView {
let presenter: UserPresentation
init(presenter: UserPresentation) {
self.presenter = presenter
}
}
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Presenter
protocol UserPresentation: class {
var router: UserWireframe { get }
init(router: UserWireframe)
}
final class UserPresenter: UserPresentation {
let router: UserWireframe
init(router: UserWireframe) {
self.router = router
}
}
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Router
protocol UserWireframe: class {
static func assembleModule() -> UIViewController
}
final class UserRouter: UserWireframe {
static func assembleModule() -> UIViewController {
let router = UserRouter()
let presenter = UserPresenter(router: router)
let view =
UserViewController(presenter: presenter)
return view
}
}
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ؔੑ
• நʹґଘ͍ͯ͠Δ
• ͦΕͧΕ͕ Protocol Λ࣮͠ɺ
Protocol ʹґଘ͍ͯ͠Δ
• Router ͚͕ͩ۩ΫϥεΛ Initialize ͍ͯ͠Δ
• Router Ͱ DI ͍ͯ͠Δʂ
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DI ͷୈҰา
final class UserPresenter: UserPresentation {
let router: UserWireframe
init(router: UserWireframe) {
self.router = router
}
}
final class UserPresenter: UserPresentation {
let router: UserWireframe
init() {
self.router = UserRouter()
}
}
❌
⭕
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Կ͕خ͍͠ͷ͔
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ςετ͕ॻ͖͘͢ͳͬͨ
• Protocol ʹͷΈґଘ͍ͯ͠Δ
• Mock ΫϥεΛ࡞ΕΔ
• ґଘؔͷগͳ͍ Testable ͳΞʔΩςΫνϟʹ
• ଞͷΞʔΩςΫνϟͰԠ༻Ͱ͖Δ
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ςετίʔυ
class UserPresenterSpec: QuickSpec {
override func spec() {
let router = MockUserRouter()
let presenter =
UserPresenter(router: router)
describe("viewDidLoad") {
beforeEach {
presenter.viewDidLoad()
}
it("…") { … }
}
}
}
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͖ͬ͞ͷίʔυ
• ͍Ζ͍ΖંͬͯΔ
• Presenter ͔Β View ʹ͑ΒΕͳ͍ͱ͔
• Router ͕ը໘ભҠͰ͖ͳ͍ͱ͔
• ͦͦίϯύΠϧ௨Βͳ͍
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ਅ໘ʹ VIPER ͨ͠ίʔυ
IUUQTHJUIVCDPNTUBSIPTIJ%FWJDF8BMMQBQFS
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AppStore ʹग़ͯΔ
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No content
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https://iosdc.jp/2017/node/1543
Stub ͱ Mock ͷҧ͍ɺͪΌΜ
ͱཧղͰ͖͍ͯ·͔͢ʁ
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VIPER Architecture
͔ΒֶͿ
Dependency Injection
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Ҏ্