Add utility to run UI tests for Screen states, add screen states for template and finish unit test.

RiotSwiftUI/Modules/Template/SimpleUserProfileExample/Service/Mock/MockTemplateProfileUserScreen.swift

@@ -1,45 +0,0 @@
-// 
-// Copyright 2021 New Vector Ltd
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-//
-
-import Foundation
-import SwiftUI
-
-/**
- Using an enum for the screen allows you define the different state cases with
- the relevant associated data for each case.
- */
-@available(iOS 14.0, *)
-enum MockTemplateProfileUserScreenStates: MockScreen {
-    
-    case mockPresenceStates(TemplateUserProfilePresence)
-    case mockLongDisplayName(String)
-    
-    static var screenStates: [MockTemplateProfileUserScreenStates] = TemplateUserProfilePresence.allCases.map(MockTemplateProfileUserScreenStates.mockPresenceStates)
-        + [.mockLongDisplayName("Somebody with a super long name we would like to test")]
-    
-    static func screen(for state: MockTemplateProfileUserScreenStates) -> some View {
-        let service: MockTemplateUserProfileService
-        switch state {
-        case .mockPresenceStates(let presence):
-            service = MockTemplateUserProfileService(presence: presence)
-        case .mockLongDisplayName(let displayName):
-            service = MockTemplateUserProfileService(displayName: displayName)
-        }
-        let viewModel = TemplateUserProfileViewModel(userService: service)
-        return TemplateUserProfile(viewModel: viewModel)
-                .addDependency(MockAvatarService.example)
-    }
-}

RiotSwiftUI/Modules/Template/SimpleUserProfileExample/Service/Mock/MockTemplateProfileUserScreenState.swift

@@ -0,0 +1,60 @@
+// 
+// Copyright 2021 New Vector Ltd
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+import Foundation
+import SwiftUI
+
+
+/// Using an enum for the screen allows you define the different state cases with
+/// the relevant associated data for each case.
+@available(iOS 14.0, *)
+enum MockTemplateProfileUserScreenState: MockScreenState, CaseIterable {
+    // A case for each state you want to represent
+    // with specific, minimal associated data that will allow you
+    // mock that screen.
+    case presence(TemplateUserProfilePresence)
+    case longDisplayName(String)
+    
+    /// The associated screen
+    var screenType: Any.Type {
+        TemplateUserProfile.self
+    }
+    
+    /// A list of screen state definitions
+    static var allCases: [MockTemplateProfileUserScreenState] {
+        // Each of the presence statuses
+        TemplateUserProfilePresence.allCases.map(MockTemplateProfileUserScreenState.presence)
+        // A long display name
+        + [.longDisplayName("Somebody with a super long name we would like to test")]
+    }
+    
+    /// Generate the view struct for the screen state.
+    var screenView: AnyView {
+        let service: MockTemplateUserProfileService
+        switch self {
+        case .presence(let presence):
+            service = MockTemplateUserProfileService(presence: presence)
+        case .longDisplayName(let displayName):
+            service = MockTemplateUserProfileService(displayName: displayName)
+        }
+        let viewModel = TemplateUserProfileViewModel(userService: service)
+        
+        // can simulate service and viewModel actions here if needs be.
+        
+        return AnyView(TemplateUserProfile(viewModel: viewModel)
+                .addDependency(MockAvatarService.example))
+    }
+}