Rename LocationSharing screen folder to StartLocationSharing.

RiotSwiftUI/Modules/LocationSharing/StartLocationSharing/Test/Unit/LocationSharingViewModelTests.swift

@@ -0,0 +1,104 @@
+//
+// 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
+import Combine
+import CoreLocation
+
+@testable import RiotSwiftUI
+
+class LocationSharingViewModelTests: XCTestCase {
+    
+    var cancellables = Set<AnyCancellable>()
+    
+    func testInitialState() {
+        let viewModel = buildViewModel()
+        
+        XCTAssertTrue(viewModel.context.viewState.shareButtonEnabled)
+        XCTAssertFalse(viewModel.context.viewState.showLoadingIndicator)
+        
+        XCTAssertNotNil(viewModel.context.viewState.mapStyleURL)
+        XCTAssertNotNil(viewModel.context.viewState.userAvatarData)
+        
+        XCTAssertNil(viewModel.context.viewState.bindings.userLocation)
+        XCTAssertNil(viewModel.context.viewState.bindings.alertInfo)
+    }
+    
+    func testCancellation() {
+        let viewModel = buildViewModel()
+        
+        let expectation = self.expectation(description: "Cancellation completion should be invoked")
+        
+        viewModel.completion = { result in
+            switch result {
+            case .share:
+                XCTFail()
+            case .cancel:
+                expectation.fulfill()
+            case .shareLiveLocation:
+                XCTFail()
+            case .checkLiveLocationCanBeStarted:
+                XCTFail()
+            }
+        }
+        
+        viewModel.context.send(viewAction: .cancel)
+        
+        waitForExpectations(timeout: 3)
+    }
+    
+    func testShareNoUserLocation() {
+        let viewModel = buildViewModel()
+        
+        XCTAssertNil(viewModel.context.viewState.bindings.userLocation)
+        
+        viewModel.context.send(viewAction: .share)
+        
+        XCTAssertNotNil(viewModel.context.viewState.bindings.alertInfo)
+        XCTAssertEqual(viewModel.context.viewState.bindings.alertInfo?.id, .userLocatingError)
+    }
+    
+    func testLoading() {
+        let viewModel = buildViewModel()
+        
+        viewModel.startLoading()
+        
+        XCTAssertFalse(viewModel.context.viewState.shareButtonEnabled)
+        XCTAssertTrue(viewModel.context.viewState.showLoadingIndicator)
+        
+        viewModel.stopLoading()
+        
+        XCTAssertTrue(viewModel.context.viewState.shareButtonEnabled)
+        XCTAssertFalse(viewModel.context.viewState.showLoadingIndicator)
+    }
+    
+    func testInvalidLocationAuthorization() {
+        let viewModel = buildViewModel()
+        
+        viewModel.context.viewState.errorSubject.send(.invalidLocationAuthorization)
+        
+        XCTAssertNotNil(viewModel.context.alertInfo)
+        XCTAssertEqual(viewModel.context.viewState.bindings.alertInfo?.id, .authorizationError)
+    }
+    
+    private func buildViewModel() -> LocationSharingViewModel {
+        
+        let service = MockLocationSharingService()
+        
+        return LocationSharingViewModel(mapStyleURL: URL(string: "http://empty.com")!,
+                                 avatarData: AvatarInput(mxContentUri: "", matrixItemId: "", displayName: ""), service: service)
+    }
+}