UITests and Mock Screens

Adds the test targets for Unit and UI tests
Adds mock screen data and utilities to render each mock screen for previews/ui tests.
Changes Published property in the service to CurrentValueSubject. we don't need the synthesized aspect of Published and property wrappers cannot be included in protocols.

RiotSwiftUI/Modules/Template/SimpleUserProfileExample/Test/UI/TestUserProfileUITests.swift

@@ -0,0 +1,47 @@
+// 
+// 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 XCTest
+
+@testable import RiotSwiftUI
+
+@available(iOS 14.0, *)
+class TestUserProfileUITests: XCTestCase {
+
+    let app = XCUIApplication()
+    
+    override func setUpWithError() throws {
+        // Put setup code here. This method is called before the invocation of each test method in the class.
+
+        // In UI tests it is usually best to stop immediately when a failure occurs.
+        continueAfterFailure = false
+
+        // UI tests must launch the application that they test. Doing this in setup will make sure it happens for each test method.
+        app.launch()
+
+        // In UI tests it’s important to set the initial state - such as interface orientation - required for your tests before they run. The setUp method is a good place to do this.
+    }
+
+    override func tearDownWithError() throws {
+        // Put teardown code here. This method is called after the invocation of each test method in the class.
+    }
+
+    func testUserContentTextDisplayed() throws {
+        let userContentText = app.staticTexts["More great user content!"]
+        XCTAssert(userContentText.exists)
+    }
+
+}

RiotSwiftUI/Modules/Template/SimpleUserProfileExample/Test/Unit/TemplateUserProfileViewModelTests.swift

@@ -17,27 +17,30 @@
 import XCTest
 import Combine
 
-@testable import Riot
+@testable import RiotSwiftUI
 
 @available(iOS 14.0, *)
 class TemplateUserProfileViewModelTests: XCTestCase {
+    private enum Constants {
+        static let presenceInitialValue: TemplateUserProfilePresence = .offline
+        static let displayName = "Alice"
+    }
     var service: MockTemplateUserProfileService!
     var viewModel: TemplateUserProfileViewModel!
     var cancellables = Set<AnyCancellable>()
     override func setUpWithError() throws {
-        service = MockTemplateUserProfileService()
+        service = MockTemplateUserProfileService(displayName: Constants.displayName, presence: Constants.presenceInitialValue)
         viewModel = TemplateUserProfileViewModel(userService: service)
     }
     
     func testInitialState() {
-        XCTAssertEqual(viewModel.viewState.displayName, MockTemplateUserProfileService.example.displayName)
-        XCTAssertEqual(viewModel.viewState.avatar?.mxContentUri, MockTemplateUserProfileService.example.avatarUrl)
-        XCTAssertEqual(viewModel.viewState.presence, MockTemplateUserProfileService.initialPresenceState)
+        XCTAssertEqual(viewModel.viewState.displayName, Constants.displayName)
+        XCTAssertEqual(viewModel.viewState.presence, Constants.presenceInitialValue)
     }
 
     func testFirstPresenceRecieved() throws {
         let presencePublisher = viewModel.$viewState.map(\.presence).removeDuplicates().collect(1).first()
-        XCTAssertEqual(try xcAwait(presencePublisher), [MockTemplateUserProfileService.initialPresenceState])
+        XCTAssertEqual(try xcAwait(presencePublisher), [Constants.presenceInitialValue])
     }
     
     func testPresenceUpdatesRecieved() throws {
@@ -46,8 +49,6 @@ class TemplateUserProfileViewModelTests: XCTestCase {
         let newPresenceValue2: TemplateUserProfilePresence = .idle
         service.simulateUpdate(presence: newPresenceValue1)
         service.simulateUpdate(presence: newPresenceValue2)
-        XCTAssertEqual(try xcAwait(presencePublisher), [MockTemplateUserProfileService.initialPresenceState, newPresenceValue1, newPresenceValue2])
+        XCTAssertEqual(try xcAwait(presencePublisher), [Constants.presenceInitialValue, newPresenceValue1, newPresenceValue2])
     }
-    
-    
 }