Add get_app_container command (#18)

README.md

@@ -42,6 +42,7 @@ The following commands will be available in code in your (test) targets:
 - Trigger iCloud Sync
 - Open URLs including registered URL schemes
 - Erase the contents and settings of the simulator
+- Get app container
 
 ## ❔ Why would you (not) use this
 

Sources/Simctl/SimctlClient.swift

@@ -129,6 +129,10 @@ public class SimctlClient {
     public func openUrl(_ url: URL, completion: @escaping DataTaskCallback) {
         dataTask(.openURL(env, URLContainer(url: url)), completion)
     }
+
+    public func getAppContainer(_ container: AppContainer? = nil, completion: @escaping DataTaskCallback) {
+        dataTask(.getAppContainer(env, container), completion)
+    }
 }
 
 // MARK: - Enviroment {
@@ -264,12 +268,14 @@ extension SimctlClient {
         case setStatusBarOverrides(SimctlClientEnvironment, Set<StatusBarOverride>)
         case clearStatusBarOverrides(SimctlClientEnvironment)
         case openURL(SimctlClientEnvironment, URLContainer)
+        case getAppContainer(SimctlClientEnvironment, AppContainer?)
 
         @inlinable var httpMethod: HttpMethod {
             switch self {
             case .sendPushNotification,
                  .setStatusBarOverrides,
-                 .openURL:
+                 .openURL,
+                 .getAppContainer:
                 return .post
 
             case .setPrivacy,
@@ -318,6 +324,9 @@ extension SimctlClient {
 
             case .openURL:
                 return .openURL
+
+            case .getAppContainer:
+                return .getAppContainer
             }
         }
 
@@ -338,7 +347,8 @@ extension SimctlClient {
                  let .triggerICloudSync(env),
                  let .setStatusBarOverrides(env, _),
                  let .clearStatusBarOverrides(env),
-                 let .openURL(env, _):
+                 let .openURL(env, _),
+                 let .getAppContainer(env, _):
                 return setEnv(env)
 
             case let .setPrivacy(env, action, service):
@@ -377,6 +387,9 @@ extension SimctlClient {
             case let .openURL(_, urlContainer):
                 return try? encoder.encode(urlContainer)
 
+            case let .getAppContainer(_, container):
+                return try? encoder.encode(container)
+
             case .setPrivacy,
                  .renameDevice,
                  .terminateApp,

Sources/SimctlCLI/Commands.swift

@@ -137,6 +137,31 @@ extension ShellOutCommand {
     static func simctlSetStatusBarOverrides(device: UUID, overrides: Set<StatusBarOverride>) -> ShellOutCommand {
         .init(string: simctl("status_bar \(device.uuidString) override \(overrides.map { $0.command }.joined(separator: " "))"))
     }
+
+    /// Install an xcappdata package to a device, replacing the current contents of the container.
+    ///
+    /// Usage: simctl install_app_data <device> <path to xcappdata package>
+    /// This will replace the current contents of the container. If the app is currently running it will be terminated before the container is replaced.
+    static func simctlInstallAppData(device: UUID, appData: URL) -> ShellOutCommand {
+        .init(string: simctl("install_app_data \(device.uuidString) \(appData.path)"))
+    }
+
+    /// Print the path of the installed app's container
+    ///
+    /// Usage: simctl get_app_container <device> <app bundle identifier> [<container>]
+    ///
+    /// container   Optionally specify the container. Defaults to app.
+    ///     app                 The .app bundle
+    ///     data                The application's data container
+    ///     groups              The App Group containers
+    ///     <group identifier>  A specific App Group container
+    static func simctlGetAppContainer(device: UUID, appBundleIdentifier: String, container: AppContainer? = nil) -> ShellOutCommand {
+        if let container = container {
+            return .init(string: simctl("get_app_container \(device.uuidString) \(appBundleIdentifier) \(container.container)"))
+        } else {
+            return .init(string: simctl("get_app_container \(device.uuidString) \(appBundleIdentifier)"))
+        }
+    }
 }
 
 internal enum ListFilterType: String {

Sources/SimctlCLI/SimctlServer.swift

@@ -337,4 +337,35 @@ internal final class SimctlServer {
             }
         }
     }
+
+    func onGetAppContainer(_ closure: @escaping (UUID, String, AppContainer) -> Result<String, Swift.Error>) {
+        server.POST[ServerPath.getAppContainer.rawValue] = { request in
+            guard let deviceId = request.headerValue(for: .deviceUdid, UUID.init) else {
+                return .badRequest(.text("Device Udid missing or corrupt."))
+            }
+
+            guard let bundleId = request.headerValue(for: .bundleIdentifier) else {
+                return .badRequest(.text("Bundle Id missing or corrupt."))
+            }
+
+            let bodyData = Data(request.body)
+
+            let appContainer: AppContainer
+            do {
+                appContainer = try JSONDecoder().decode(AppContainer.self, from: bodyData)
+            } catch {
+                return .badRequest(.text(error.localizedDescription))
+            }
+
+            let result = closure(deviceId, bundleId, appContainer)
+
+            switch result {
+            case let .success(output):
+                return .ok(.text(output))
+
+            case let .failure(error):
+                return .badRequest(.text(error.localizedDescription))
+            }
+        }
+    }
 }

Sources/SimctlCLI/StartServer.swift

@@ -68,6 +68,10 @@ struct StartServer: ParsableCommand {
             runCommand(.simctlOpen(url: url, on: deviceId))
         }
 
+        server.onGetAppContainer { deviceId, appBundleId, container -> Result<String, Swift.Error> in
+            runCommand(.simctlGetAppContainer(device: deviceId, appBundleIdentifier: appBundleId, container: container))
+        }
+
         server.startServer(on: port)
     }
 }

Sources/SimctlShared/SimctlShared.swift

@@ -85,6 +85,7 @@ public enum ServerPath: String {
     case uninstallApp = "/simctl/uninstallApp"
     case statusBarOverrides = "/simctl/statusBarOverrides"
     case openURL = "/simctl/openUrl"
+    case getAppContainer = "/simctl/getAppContainer"
 }
 
 /// Some permission changes will terminate the application if running.
@@ -353,3 +354,65 @@ public struct URLContainer: Codable {
         self.url = url
     }
 }
+
+public enum AppContainer: Codable {
+    case app
+    case data
+    case groups
+    case groupIdentifier(String)
+
+    public var container: String {
+        switch self {
+        case .app:
+            return "app"
+        case .data:
+            return "data"
+        case .groups:
+            return "groups"
+        case let .groupIdentifier(groupId):
+            return groupId
+        }
+    }
+
+    enum Keys: String, CodingKey {
+        case key
+        case value
+    }
+
+    public init(from decoder: Decoder) throws {
+        let container = try decoder.container(keyedBy: Keys.self)
+        let key = try container.decode(String.self, forKey: .key)
+        switch key {
+        case "app":
+            self = .app
+        case "data":
+            self = .data
+        case "groups":
+            self = .groups
+        case "groupID":
+            let groupID = try container.decode(String.self, forKey: .value)
+            self = .groupIdentifier(groupID)
+
+        default:
+            throw DecodingError.dataCorrupted(.init(codingPath: decoder.codingPath, debugDescription: "Unexpected key \(key)", underlyingError: nil))
+        }
+    }
+
+    public func encode(to encoder: Encoder) throws {
+        var container = encoder.container(keyedBy: Keys.self)
+        switch self {
+        case .app:
+            try container.encode("app", forKey: .key)
+
+        case .data:
+            try container.encode("data", forKey: .key)
+
+        case .groups:
+            try container.encode("groups", forKey: .key)
+
+        case .groupIdentifier(let groupID):
+            try container.encode("groupID", forKey: .key)
+            try container.encode(groupID, forKey: .value)
+        }
+    }
+}