mocks.swift

// Just playing with this pointfreeco sample
// https://github.com/pointfreeco/episode-code-samples/blob/main/0114-designing-dependencies-pt5/DesigningDependencies/WeatherClient/Sources/WeatherClient/Mocks.swift

extension WeatherClient {

    static func faked(
        response: Result<[WeatherResponse.ConsolidatedWeather], Error>,
        locations: Result<[Location], Error>) -> WeatherClient {
        return Self(
            weather: { _ in
                return response
                    .publisher
                    .map { WeatherResponse(consolidatedWeather: $0) }
                    .eraseToAnyPublisher()
            },
            searchLocations: { _ in
                locations.publisher.eraseToAnyPublisher()
            }
        )
    }

    static let empty = WeatherClient.faked(
        response: .success([]),
        locations: .success([])
    )

    static let happyPath = WeatherClient.faked(
        response: .success([
            .init(applicableDate: Date(), id: 1, maxTemp: 30, minTemp: 10, theTemp: 20),
            .init(applicableDate: Date().addingTimeInterval(86400), id: 2, maxTemp: -10, minTemp: -30, theTemp: -20)
        ]),
        locations: .success([
            Location(title: "New York", woeid: 1)
        ])
    )

    static let failed = WeatherClient.faked(
        response: .failure(NSError(domain: "", code: 1)),
        locations: .success([])
    )
}