lucasecf

09:37:30.652 xcodebuild[30138:9324129] Beginning test session XYZUITests-A4F643B9-4E10-47CD-B0AB-A99724E96BAB at 2018-05-11 09:37:30.650 with Xcode 9E145 on target <DVTiPhoneSimulator: 0x7fd5f30a3b80> {
		SimDevice: iPhone 8 (85133256-457F-4F65-BCE2-B720B287B717, iOS 11.3, Booted)
} (11.3 (15E217))
09:37:30.653 xcodebuild[30138:9324129] 	/Applications/Xcode.app/Contents/Developer/usr/bin/xcodebuild
-workspace
./XYZ.xcworkspace
-scheme
Smoke Tests
-destination
platform=iOS Simulator,id=85133256-457F-4F65-BCE2-B720B287B717

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let httpDispatcher = HTTPDispatcher()
let anyDispatcher = AnyDispatcher(httpDispatcher)

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let taskReal = GetMoviesTask(dispatcher: AnyDispatcher(HTTPDispatcher()))
let taskTest = GetMoviesTask(dispatcher: AnyDispatcher(TestHTTPDispatcher()))

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struct GetMoviesTask {
    let dispatcher: AnyDispatcher<URLRequest, Data>
    
    func load(success: ([Movie]) -> Void, failure: (Error) -> Void) {
        let request = URLRequest(url: URL(string: “www.mydomain.com/movies")!)
        dispatcher.execute(request: request, success: { (data) in
            let movies = // (…)
            success(movies)
        }, failure: { error in
            // (…)

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let anyDispatcher = AnyDispatcher<URLSession, Data>

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struct AnyDispatcher<R, O>: Dispatcher {
    private let _execute: (R, (O) -> Void, (Error) -> Void) -> Void
    
    init<D: Dispatcher>(_ dispatcher: D) where R == D.Request, O == D.Output {
        _execute = dispatcher.execute
    }
    
    func execute(request: R, success: (O) -> Void, failure: (Error) -> Void) {
        _execute(request, success, failure)
    }

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let dispatcher: Dispatcher<URLRequest, Data>

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struct GetMoviesTask {
    let dispatcher: Dispatcher
	
    func load(success: ([Movie]) -> Void, failure: (Error) -> Void) {
        let request = URLRequest(url: URL(string: “www.mydomain.com/movies")!)
        dispatcher.execute(request: request, success: { data in      
            // (…)
        }, failure: { error in
            // (…)
        })

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let task1 = GetMoviesTask(dispatcher: HTTPDispatcher())
let task2 = GetMoviesTask(dispatcher: TestHTTPDispatcher())

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struct HTTPDispatcher: Dispatcher {
    func execute(request: URLRequest, success: (Data) -> Void, failure: (Error) -> Void) {
        // executes HTTP requests using URLSession
        // …
    }
}

struct TestHTTPDispatcher: Dispatcher {
    func execute(request: URLRequest, success: (Data) -> Void, failure: (Error) -> Void) {
        // to be used for unit tests, returns mocked data