Swift Post Testability Example Code

Testability1.swift

class FileOpener {
    func open(identifier: String) {
        guard let url = URL(string: "iosappscheme://open?id=\(identifier)") else {
            debugPrint("Failed to convert URL")
            return
        }
        if UIApplication.shared.canOpenURL(url) {
            UIApplication.shared.open(url, options: [:], completionHandler: nil)
        } else {
            debugPrint("Failed to open URL")
        }
    }
}