sharee.bike-App/SharedBusinessLogic.Tests/ViewModel/BikesAtStation/TestBikesAtStationPageViewModel.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using NSubstitute;
using NSubstitute.ExceptionExtensions;
using NUnit.Framework;
using Plugin.BLE.Abstractions.Contracts;
using SharedBusinessLogic.Tests.Framework.Model.Device;
using SharedBusinessLogic.Tests.Framework.Model.Services.Geolocation;
using SharedBusinessLogic.Tests.Framework.Model.User.Account;
using SharedBusinessLogic.Tests.Framework.Repository;
using ShareeBike.Model;
using ShareeBike.Model.Connector;
using ShareeBike.Model.Device;
using ShareeBike.Model.Services.CopriApi;
using ShareeBike.Model.Settings;
using ShareeBike.Repository;
using ShareeBike.Repository.Exception;
using ShareeBike.Services;
using ShareeBike.Services.BluetoothLock;
using ShareeBike.Services.BluetoothLock.Tdo;
using ShareeBike.Services.Geolocation;
using ShareeBike.Services.Permissions;
using ShareeBike.View;
using ShareeBike.ViewModel.BikesAtStation;
using ShareeBike.ViewModel.Map;
using ShareeBike.ViewModel.Settings;
using Xamarin.Forms;
using static ShareeBike.Repository.CopriCallsMemory;

namespace SharedBusinessLogic.Tests.Fixtures.ObjectTests.ViewModel
{
	[TestFixture]
	public class TestBikesAtStationPageViewModel
	{
		[Test]
		public async Task TestConstruct_Droid_NotLoggedIn()
		{
			var geolocation = Substitute.For<IServicesContainer<IGeolocationService>>();
			var locksService = Substitute.For<ILocksService>();
			var timeOut = Substitute.For<ITimeOutProvider>();
			var viewService = Substitute.For<IViewService>();
			var permissions = Substitute.For<ILocationPermission>();
			var bluetooth = Substitute.For<IBluetoothLE>();

			var shareeBikeApp = new ShareeBikeApp(
				new Settings(
					new GroupFilterMapPage(new Dictionary<string, FilterState> { { FilterHelper.CARGOBIKE, FilterState.Off }, { FilterHelper.CITYBIKE, FilterState.On } }),
					new GroupFilterSettings(new Dictionary<string, FilterState> { { FilterHelper.CARGOBIKE, FilterState.On }, { FilterHelper.CITYBIKE, FilterState.On } }),
					new StartupSettings(),
					new Uri("https://shareeapp-primary.copri-bike.de/APIjsonserver"),
					new ShareeBike.Settings.PollingParameters(new TimeSpan(10000), true),
					Serilog.Events.LogEventLevel.Error,
					activeLockService: locksService.GetType().FullName,
					activeGeolocationService: typeof(GeolocationMock).FullName),
				new StoreMock(new ShareeBike.Model.User.Account.Account("", null, false, null, new List<string>())),
				isConnectedFunc: () => true,
				connectorFactory: (isConnected, uri, sessionCookie, mail, expiresAfter) => new ConnectorCache(new AppContextInfo("MyMerchId", "MyApp", new Version(1, 2)), null /*UI language */, sessionCookie, mail, server: new CopriCallsMemory001(sessionCookie)),
				merchantId: "MyMerchId",
				bluetoothService: Substitute.For<IBluetoothLE>(),
				locationPermissionsService: null,
				locationServicesContainer: geolocation,
				locksService: locksService, // Cipher
				device: new DeviceMock(), // Permissions
				specialFolder: new SpecialFolderMock(),
				cipher: null,
				theme: null,
				postAction: (d, obj) => d(obj),
				currentVersion: new Version(3, 2, 0, 115), // Current app version
				lastVersion: new Version(3, 0, 173), // Current app version. Must be larger or equal 3.0.173 to 
				whatsNewShownInVersion: null); // Whats new page was never shown.

			var bikesAtStation = new BikesAtStationPageViewModel(
				shareeBikeApp.ActiveUser,
				permissions,
				bluetooth,
				Device.Android,
				new ShareeBike.Model.Stations.StationNS.Station("FR103", new List<string>(), null), // Was station id 103 before switching from data provider CopriCallsMemory(SampleSets.ShareeFr01_Set1, 1, ...) 
				() => shareeBikeApp.GetIsConnected(),
				(isConnected) => shareeBikeApp.GetConnector(isConnected),
				geolocation.Active, // geolocation
				locksService,
				shareeBikeApp.Polling,
				(url) => { },
				(d, obj) => d(obj),
				Substitute.For<ISmartDevice>(),
				viewService);

			await bikesAtStation.OnAppearingOrRefresh();

			Assert.That(bikesAtStation.StatusInfoText, Is.Empty);

			// Verify list of bikes
			Assert.That(bikesAtStation.Count, Is.EqualTo(2));
			Assert.That(bikesAtStation.IsIdle, Is.True);
			Assert.That(bikesAtStation.IsBikesListVisible, Is.True, "If there are any bikes, list must be visible.");

			var bikeFR9999 = bikesAtStation.FirstOrDefault(x => x.Id == "FR9999") as ShareeBike.ViewModel.Bikes.Bike.BluetoothLock.BikeViewModel; // Was id 1315
			var bikeFR9998 = bikesAtStation.FirstOrDefault(x => x.Id == "FR9998") as ShareeBike.ViewModel.Bikes.Bike.BluetoothLock.BikeViewModel; // Was id 1543

			Assert.That(
				bikeFR9999,
				Is.Not.Null);

			Assert.That(
				bikeFR9998,
				Is.Not.Null);

			Assert.That(bikeFR9999.StateText, Is.EqualTo("Available."));
			Assert.That(bikeFR9998.StateText, Is.EqualTo("Available."));
			Assert.That(bikeFR9999.LockitButtonText, Is.EqualTo("NotLoggedIn"));
			Assert.That(bikeFR9998.LockitButtonText, Is.EqualTo("NotLoggedIn"));

			// Login hint/ no bikes frame
			Assert.That(bikesAtStation.IsLoginRequiredHintVisible, Is.True);
			Assert.That(bikesAtStation.IsNoBikesAtStationVisible, Is.False);
			Assert.That(bikesAtStation.NoBikesAtStationText, Is.EqualTo(string.Empty));
		}

		[Test]
		public async Task TestConstruct_Droid_NoBikes()
		{
			var geolocation = Substitute.For<IServicesContainer<IGeolocationService>>();
			var locksService = Substitute.For<ILocksService>();
			var timeOut = Substitute.For<ITimeOutProvider>();
			var viewService = Substitute.For<IViewService>();
			var permissions = Substitute.For<ILocationPermission>();
			var bluetooth = Substitute.For<IBluetoothLE>();

			const string MERCH_ID = "MyMerchId";

			var shareeBikeApp = new ShareeBikeApp(
				new Settings(
					new GroupFilterMapPage(new Dictionary<string, FilterState> { { FilterHelper.CARGOBIKE, FilterState.On }, { FilterHelper.CITYBIKE, FilterState.Off } }),
					new GroupFilterSettings(new Dictionary<string, FilterState> { { FilterHelper.CARGOBIKE, FilterState.On }, { FilterHelper.CITYBIKE, FilterState.On } }),
					new StartupSettings(),
					new Uri("https://shareeapp-primary.copri-bike.de/APIjsonserver"),
					new ShareeBike.Settings.PollingParameters(new TimeSpan(10000), true),
					Serilog.Events.LogEventLevel.Error,
					activeLockService: locksService.GetType().FullName,
					activeGeolocationService: typeof(GeolocationMock).FullName),
				new StoreMock(new ShareeBike.Model.User.Account.Account("a@b", "123456789", false, "5781_d47fc786e740ef77d85a24bcb6f0ff97_oiF2kahH", new List<string> { "300001", "300029" })),
				isConnectedFunc: () => true,
				connectorFactory: (isConnected, uri, sessionCookie, mail, expiresAfter) => new ConnectorCache(new AppContextInfo("MyMerchId", "MyApp", new Version(1, 2)), null /*UI language */, sessionCookie, mail, server: new CopriCallsMemory(MERCH_ID, SampleSets.ShareeFr01_Set1, 1, sessionCookie)),
				merchantId: "MyMerchId",
				bluetoothService: Substitute.For<IBluetoothLE>(),
				locationPermissionsService: null,
				locationServicesContainer: geolocation,
				locksService: locksService, // Cipher
				device: new DeviceMock(), // Permissions,
				specialFolder: new SpecialFolderMock(),
				cipher: null,
				theme: null,
				postAction: (d, obj) => d(obj),
				currentVersion: new Version(3, 2, 0, 115), // Current app version
				lastVersion: new Version(3, 0, 173), // Current app version. Must be larger or equal 3.0.173 to 
				whatsNewShownInVersion: null); // Whats new page was never shown.

			var bikesAtStation = new BikesAtStationPageViewModel(
				shareeBikeApp.ActiveUser,
				permissions,
				bluetooth,
				Device.Android,
				new ShareeBike.Model.Stations.StationNS.Station("102", new List<string>(), null /* position*/, operatorUri: new Uri("https://shareeapp-fr01.copri.eu//APIjsonserver")), // Station 102
				() => shareeBikeApp.GetIsConnected(),
				(isConnected) => shareeBikeApp.GetConnector(isConnected),
				geolocation.Active, // geolocation
				locksService,
				shareeBikeApp.Polling,
				(url) => { },
				(d, obj) => d(obj),
				Substitute.For<ISmartDevice>(),
				viewService);

			await bikesAtStation.OnAppearingOrRefresh();

			Assert.That(bikesAtStation.StatusInfoText, Is.Empty);

			// Verify list of bikes
			Assert.That(bikesAtStation.Count, Is.EqualTo(0));
			Assert.That(bikesAtStation.IsIdle, Is.True);
			Assert.That(bikesAtStation.IsBikesListVisible, Is.False, "If there are any bikes, list must be visible.");

			// Login hint/ no bikes frame
			Assert.That(bikesAtStation.IsLoginRequiredHintVisible, Is.False);
			Assert.That(bikesAtStation.IsNoBikesAtStationVisible, Is.True);
			Assert.That(bikesAtStation.NoBikesAtStationText, Is.EqualTo("There are currently no bicycles available at this station."));
		}

		[Test]
		public async Task TestConstruct_Droid()
		{
			var geolocation = Substitute.For<IServicesContainer<IGeolocationService>>();
			var locksService = Substitute.For<ILocksService>();
			var timeOut = Substitute.For<ITimeOutProvider>();
			var viewService = Substitute.For<IViewService>();
			var permissions = Substitute.For<ILocationPermission>();
			var bluetooth = Substitute.For<IBluetoothLE>();

			// Fake location permissions to be set
			permissions.CheckStatusAsync().Returns(Task.FromResult(Status.Granted));
			geolocation.Active.IsGeolcationEnabled.Returns(true); // Fake gps to be on
			bluetooth.State.Returns(BluetoothState.On); // Fake bluetooth to be on

			// Fake bluetooth answer for locks with id 2200545 and 2200537.
			locksService.GetLocksStateAsync(Arg.Any<IEnumerable<LockInfoAuthTdo>>(), Arg.Any<TimeSpan>()).Returns(
				new List<LockInfoTdo> {
					{ new LockInfoTdo.Builder { Id = 2200545, State = LockitLockingState.Open }.Build() },
					{ new LockInfoTdo.Builder { Id = 2200537, State = LockitLockingState.Closed }.Build() }
					}
				);

			const string MERCH_ID = "MyMerchId";

			var shareeBikeApp = new ShareeBikeApp(
				new Settings(
					new GroupFilterMapPage(new Dictionary<string, FilterState> { { FilterHelper.CARGOBIKE, FilterState.On }, { FilterHelper.CITYBIKE, FilterState.Off } }),
					new GroupFilterSettings(new Dictionary<string, FilterState> { { FilterHelper.CARGOBIKE, FilterState.On }, { FilterHelper.CITYBIKE, FilterState.On } }),
					new StartupSettings(),
					new Uri("https://shareeapp-primary.copri-bike.de/APIjsonserver"),
					new ShareeBike.Settings.PollingParameters(new TimeSpan(10000), true),
					Serilog.Events.LogEventLevel.Error,
					activeLockService: locksService.GetType().FullName,
					activeGeolocationService: typeof(GeolocationMock).FullName),
				new StoreMock(new ShareeBike.Model.User.Account.Account("a@b", "123456789", false, "5781_d47fc786e740ef77d85a24bcb6f0ff97_oiF2kahH", new List<string> { "300001", "300029" })),
				isConnectedFunc: () => true,
				connectorFactory: (isConnected, uri, sessionCookie, mail, expiresAfter) => new ConnectorCache(new AppContextInfo(MERCH_ID, "MyApp", new Version(1, 2)), null /*UI language */, sessionCookie, mail, server: new CopriCallsMemory(MERCH_ID, SampleSets.ShareeFr01_Set1, 1, sessionCookie)),
				merchantId: MERCH_ID, // Instance geolocation mocks both parts
				bluetoothService: Substitute.For<IBluetoothLE>(),
				locationPermissionsService: null,
				locationServicesContainer: geolocation,
				locksService: locksService, // Cipher
				device: new DeviceMock(), // Permissions,
				specialFolder: new SpecialFolderMock(),
				cipher: null,
				theme: null,
				postAction: (d, obj) => d(obj),
				currentVersion: new Version(3, 2, 0, 115), // Current app version
				lastVersion: new Version(3, 0, 173), // Current app version. Must be larger or equal 3.0.173 to 
				whatsNewShownInVersion: null); // Whats new page was never shown.

			var bikesAtStation = new BikesAtStationPageViewModel(
				shareeBikeApp.ActiveUser,
				permissions,
				bluetooth,
				Device.Android,
				new ShareeBike.Model.Stations.StationNS.Station("103", new List<string>(), null), // Station 103
				() => shareeBikeApp.GetIsConnected(),
				(isConnected) => shareeBikeApp.GetConnector(isConnected),
				geolocation.Active, // geolocation
				locksService,
				shareeBikeApp.Polling,
				(url) => { },
				(d, obj) => d(obj),
				Substitute.For<ISmartDevice>(),
				viewService);

			await bikesAtStation.OnAppearingOrRefresh();

			// Verify behavior
			Received.InOrder(() =>
			{
				permissions.CheckStatusAsync();
				var glDummy = geolocation.Active.Received().IsGeolcationEnabled;
				var btDummy = bluetooth.Received().State;
				locksService.GetLocksStateAsync(Arg.Any<IEnumerable<LockInfoAuthTdo>>(), Arg.Any<TimeSpan>());
			});

			Assert.That(bikesAtStation.StatusInfoText, Is.Empty);

			// Verify list of bikes
			Assert.That(bikesAtStation.Count, Is.EqualTo(4));
			Assert.That(bikesAtStation.IsIdle, Is.True);
			Assert.That(bikesAtStation.IsBikesListVisible, Is.True, "If there are any bikes, list must be visible.");

			var bike1545 = bikesAtStation.FirstOrDefault(x => x.Id == "1545") as ShareeBike.ViewModel.Bikes.Bike.BluetoothLock.BikeViewModel;
			var bike1537 = bikesAtStation.FirstOrDefault(x => x.Id == "1537") as ShareeBike.ViewModel.Bikes.Bike.BluetoothLock.BikeViewModel;
			var bike1315 = bikesAtStation.FirstOrDefault(x => x.Id == "1315") as ShareeBike.ViewModel.Bikes.Bike.BluetoothLock.BikeViewModel;
			var bike1543 = bikesAtStation.FirstOrDefault(x => x.Id == "1543") as ShareeBike.ViewModel.Bikes.Bike.BluetoothLock.BikeViewModel;

			Assert.That(
				bike1545,
				Is.Not.Null);

			Assert.That(
				bike1537,
				Is.Not.Null);

			Assert.That(
				bike1315,
				Is.Not.Null);

			Assert.That(
				bike1543,
				Is.Not.Null);

			Assert.That(bike1545.StateText, Is.EqualTo($"Rented since {DateTime.Parse("2020-11-06 17:53:22.784681+01"):dd. MMMM HH:mm}."));
			Assert.That(bike1537.StateText, Is.EqualTo($"Rented since {DateTime.Parse("2020-10-12 08:38:12.374231+02"):dd. MMMM HH:mm}."));
			Assert.That(bike1315.StateText, Is.EqualTo("Available."));
			Assert.That(bike1543.StateText, Is.EqualTo("Available."));
			Assert.That(bike1545.ButtonText, Is.EqualTo("Close lock"));
			Assert.That(bike1545.LockitButtonText, Is.EqualTo("BookedOpen"));
			Assert.That(bike1537.LockitButtonText, Is.EqualTo("Open lock"));
			Assert.That(bike1315.LockitButtonText, Is.EqualTo("DisposableDisconnected"));
			Assert.That(bike1543.LockitButtonText, Is.EqualTo("DisposableDisconnected"));

			// Login hint/ no bikes frame
			Assert.That(bikesAtStation.IsLoginRequiredHintVisible, Is.False);
			Assert.That(bikesAtStation.IsNoBikesAtStationVisible, Is.False);
			Assert.That(bikesAtStation.NoBikesAtStationText, Is.EqualTo(string.Empty));
		}

		[Test]
		public async Task TestConstruct_Droid_NoPermissions_OpenSettings()
		{
			var geolocation = Substitute.For<IServicesContainer<IGeolocationService>>();
			var locksService = Substitute.For<ILocksService>();
			var timeOut = Substitute.For<ITimeOutProvider>();
			var viewService = Substitute.For<IViewService>();
			var permissions = Substitute.For<ILocationPermission>();
			var bluetooth = Substitute.For<IBluetoothLE>();

			// Fake location permissions not to be set
			permissions.CheckStatusAsync().Returns(Task.FromResult(Status.Denied));

			// Fake anwser on question whether to open permissions dialog
			viewService.DisplayAlert(Arg.Any<string>(), Arg.Any<string>(), Arg.Any<string>(), Arg.Any<string>()).Returns(true);

			// Fake bluetooth answer for locks with id 2200545 and 2200537.
			locksService.GetLocksStateAsync(Arg.Any<IEnumerable<LockInfoAuthTdo>>(), Arg.Any<TimeSpan>()).Returns(
				new List<LockInfoTdo> {
					{ new LockInfoTdo.Builder { Id = 2200545, State = LockitLockingState.Open }.Build() },
					{ new LockInfoTdo.Builder { Id = 2200537, State = LockitLockingState.Closed }.Build() }
					}
				);

			bluetooth.State.Returns(BluetoothState.On);

			const string MERCH_ID = "MyMerchId";

			var shareeBikeApp = new ShareeBikeApp(
				new Settings(
					new GroupFilterMapPage(new Dictionary<string, FilterState> { { FilterHelper.CARGOBIKE, FilterState.On }, { FilterHelper.CITYBIKE, FilterState.Off } }),
					new GroupFilterSettings(new Dictionary<string, FilterState> { { FilterHelper.CARGOBIKE, FilterState.On }, { FilterHelper.CITYBIKE, FilterState.On } }),
					new StartupSettings(),
					new Uri("https://shareeapp-primary.copri-bike.de/APIjsonserver"),
					new ShareeBike.Settings.PollingParameters(new TimeSpan(10000), true),
					Serilog.Events.LogEventLevel.Error,
					activeLockService: locksService.GetType().FullName,
					activeGeolocationService: typeof(GeolocationMock).FullName),
				new StoreMock(new ShareeBike.Model.User.Account.Account("a@b", "123456789", false, "5781_d47fc786e740ef77d85a24bcb6f0ff97_oiF2kahH", new List<string> { "300001", "300029" })),
				isConnectedFunc: () => true,
				connectorFactory: (isConnected, uri, sessionCookie, mail, expiresAfter) => new ConnectorCache(new AppContextInfo(MERCH_ID, "MyApp", new Version(1, 2)), null /*UI language */, sessionCookie, mail, server: new CopriCallsMemory(MERCH_ID, SampleSets.ShareeFr01_Set1, 1, sessionCookie)),
				merchantId: MERCH_ID,
				bluetoothService: Substitute.For<IBluetoothLE>(),
				locationPermissionsService: null,
				locationServicesContainer: geolocation,
				locksService: locksService, // Cipher
				device: new DeviceMock(), // Permissions,
				specialFolder: new SpecialFolderMock(),
				cipher: null,
				theme: null,
				postAction: (d, obj) => d(obj),
				currentVersion: new Version(3, 2, 0, 115), // Current app version
				lastVersion: new Version(3, 0, 173), // Current app version. Must be larger or equal 3.0.173 to 
				whatsNewShownInVersion: null); // Whats new page was never shown.

			var bikesAtStation = new BikesAtStationPageViewModel(
				shareeBikeApp.ActiveUser,
				permissions,
				bluetooth,
				Device.Android,
				new ShareeBike.Model.Stations.StationNS.Station("103", new List<string>(), null), // Station 103
				() => shareeBikeApp.GetIsConnected(),
				(isConnected) => shareeBikeApp.GetConnector(isConnected),
				geolocation.Active, // geolocation
				locksService,
				shareeBikeApp.Polling,
				(url) => { },
				(d, obj) => d(obj),
				Substitute.For<ISmartDevice>(),
				viewService);

			await bikesAtStation.OnAppearingOrRefresh();

			// Verify behavior
			Received.InOrder(() =>
			{
				permissions.CheckStatusAsync();
				var glDummy = geolocation.Active.Received().IsGeolcationEnabled;
				// permissions.RequestAsync(); // Ask user from permissions (disabled, since no secondary request allowed).
				viewService.DisplayAlert(
					"Hint",
					"Please allow location sharing so that bike lock/locks can be managed.\r\nOpen sharing dialog?",
					"Yes",
					"No");
				permissions.OpenAppSettings();
			});

			Assert.That(new List<string> { "Updating...", string.Empty }.Contains(bikesAtStation.StatusInfoText), Is.True);

			// Verify list of bikes
			Assert.That(bikesAtStation.Count, Is.EqualTo(4));
			Assert.That(bikesAtStation.IsIdle, Is.True);
			Assert.That(bikesAtStation.IsBikesListVisible, Is.True, "If there are any bikes, list must be visible.");

			var bike1545 = bikesAtStation.FirstOrDefault(x => x.Id == "1545") as ShareeBike.ViewModel.Bikes.Bike.BluetoothLock.BikeViewModel;
			var bike1537 = bikesAtStation.FirstOrDefault(x => x.Id == "1537") as ShareeBike.ViewModel.Bikes.Bike.BluetoothLock.BikeViewModel;
			var bike1315 = bikesAtStation.FirstOrDefault(x => x.Id == "1315") as ShareeBike.ViewModel.Bikes.Bike.BluetoothLock.BikeViewModel;
			var bike1543 = bikesAtStation.FirstOrDefault(x => x.Id == "1543") as ShareeBike.ViewModel.Bikes.Bike.BluetoothLock.BikeViewModel;

			Assert.That(
				bike1545,
				Is.Not.Null);

			Assert.That(
				bike1537,
				Is.Not.Null);

			Assert.That(
				bike1315,
				Is.Not.Null);

			Assert.That(
				bike1543,
				Is.Not.Null);

			Assert.That(bike1545.StateText, Is.EqualTo($"Rented since {DateTime.Parse("2020-11-06 17:53:22.784681+01"):dd. MMMM HH:mm}."));
			Assert.That(bike1537.StateText, Is.EqualTo($"Rented since {DateTime.Parse("2020-10-12 08:38:12.374231+02"):dd. MMMM HH:mm}."));
			Assert.That(bike1315.StateText, Is.EqualTo("Available."));
			Assert.That(bike1543.StateText, Is.EqualTo("Available."));
			Assert.That(bike1545.ButtonText, Is.EqualTo("Connect lock"));
			Assert.That(bike1537.ButtonText, Is.EqualTo("Connect lock"));
			Assert.That(bike1315.LockitButtonText, Is.EqualTo("DisposableDisconnected"));
			Assert.That(bike1543.LockitButtonText, Is.EqualTo("DisposableDisconnected"));

			// Login hint/ no bikes frame
			Assert.That(bikesAtStation.IsLoginRequiredHintVisible, Is.False);
			Assert.That(bikesAtStation.IsNoBikesAtStationVisible, Is.False);
			Assert.That(bikesAtStation.NoBikesAtStationText, Is.EqualTo(string.Empty));
		}

		[Test]
		public async Task TestConstruct_Droid_NoPermissions()
		{
			var geolocation = Substitute.For<IServicesContainer<IGeolocationService>>();
			var locksService = Substitute.For<ILocksService>();
			var timeOut = Substitute.For<ITimeOutProvider>();
			var viewService = Substitute.For<IViewService>();
			var permissions = Substitute.For<ILocationPermission>();
			var bluetooth = Substitute.For<IBluetoothLE>();

			// Fake location permissions not to be set
			permissions.CheckStatusAsync().Returns(Task.FromResult(Status.Denied));
			permissions.OpenAppSettings().Throws<Exception>(); // Ensures that method is not called and fixture succeeds.

			// Fake anwser on question whether to open permissions dialog
			viewService.DisplayAlert(Arg.Any<string>(), Arg.Any<string>(), Arg.Any<string>(), Arg.Any<string>()).Returns(false);

			// Fake bluetooth answer for locks with id 2200545 and 2200537.
			locksService.GetLocksStateAsync(Arg.Any<IEnumerable<LockInfoAuthTdo>>(), Arg.Any<TimeSpan>()).Returns(
				new List<LockInfoTdo> {
					{ new LockInfoTdo.Builder { Id = 2200545, State = LockitLockingState.Open }.Build() },
					{ new LockInfoTdo.Builder { Id = 2200537, State = LockitLockingState.Closed }.Build() }
					}
				);
			const string MERCH_ID = "MyMerchId";

			var shareeBikeApp = new ShareeBikeApp(
				new Settings(
					new GroupFilterMapPage(new Dictionary<string, FilterState> { { FilterHelper.CARGOBIKE, FilterState.On }, { FilterHelper.CITYBIKE, FilterState.Off } }),
					new GroupFilterSettings(new Dictionary<string, FilterState> { { FilterHelper.CARGOBIKE, FilterState.On }, { FilterHelper.CITYBIKE, FilterState.On } }),
					new StartupSettings(),
					new Uri("https://shareeapp-primary.copri-bike.de/APIjsonserver"),
					new ShareeBike.Settings.PollingParameters(new TimeSpan(10000), true),
					Serilog.Events.LogEventLevel.Error,
					activeLockService: locksService.GetType().FullName,
					activeGeolocationService: typeof(GeolocationMock).FullName),
				new StoreMock(new ShareeBike.Model.User.Account.Account("a@b", "123456789", false, "5781_d47fc786e740ef77d85a24bcb6f0ff97_oiF2kahH", new List<string> { "300001", "300029" })),
				isConnectedFunc: () => true,
				connectorFactory: (isConnected, uri, sessionCookie, mail, expiresAfter) => new ConnectorCache(new AppContextInfo(MERCH_ID, "MyApp", new Version(1, 2)), null /*UI language */, sessionCookie, mail, server: new CopriCallsMemory(MERCH_ID, SampleSets.ShareeFr01_Set1, 1, sessionCookie)),
				merchantId: MERCH_ID,
				bluetoothService: Substitute.For<IBluetoothLE>(),
				locationPermissionsService: null,
				locationServicesContainer: geolocation,
				locksService: locksService, // Cipher
				device: new DeviceMock(), // Permissions,
				specialFolder: new SpecialFolderMock(),
				cipher: null,
				theme: null,
				postAction: (d, obj) => d(obj),
				currentVersion: new Version(3, 2, 0, 115), // Current app version
				lastVersion: new Version(3, 0, 173), // Current app version. Must be larger or equal 3.0.173 to 
				whatsNewShownInVersion: null); // Whats new page was never shown.

			var bikesAtStation = new BikesAtStationPageViewModel(
				shareeBikeApp.ActiveUser,
				permissions,
				bluetooth,
				Device.Android,
				new ShareeBike.Model.Stations.StationNS.Station("103", new List<string>(), null), // Station 103
				() => shareeBikeApp.GetIsConnected(),
				(isConnected) => shareeBikeApp.GetConnector(isConnected),
				geolocation.Active, // geolocation
				locksService,
				shareeBikeApp.Polling,
				(url) => { },
				(d, obj) => d(obj),
				Substitute.For<ISmartDevice>(),
				viewService);

			await bikesAtStation.OnAppearingOrRefresh();

			// Verify behavior
			Received.InOrder(() =>
			{
				permissions.CheckStatusAsync();
				var glDummy = geolocation.Active.Received().IsGeolcationEnabled;
				//permissions.RequestAsync(); // Ask user from permissions (disabled, since no secondary request allowed).
				viewService.DisplayAlert(
					"Hint",
					"Please allow location sharing so that bike lock/locks can be managed.\r\nOpen sharing dialog?",
					"Yes",
					"No");
			});

			Assert.That(bikesAtStation.StatusInfoText, Is.Empty);

			// Verify list of bikes
			Assert.That(bikesAtStation.Count, Is.EqualTo(4));
			Assert.That(bikesAtStation.IsIdle, Is.True);
			Assert.That(bikesAtStation.IsBikesListVisible, Is.True, "If there are any bikes, list must be visible.");

			var bike1545 = bikesAtStation.FirstOrDefault(x => x.Id == "1545") as ShareeBike.ViewModel.Bikes.Bike.BluetoothLock.BikeViewModel;
			var bike1537 = bikesAtStation.FirstOrDefault(x => x.Id == "1537") as ShareeBike.ViewModel.Bikes.Bike.BluetoothLock.BikeViewModel;
			var bike1315 = bikesAtStation.FirstOrDefault(x => x.Id == "1315") as ShareeBike.ViewModel.Bikes.Bike.BluetoothLock.BikeViewModel;
			var bike1543 = bikesAtStation.FirstOrDefault(x => x.Id == "1543") as ShareeBike.ViewModel.Bikes.Bike.BluetoothLock.BikeViewModel;

			Assert.That(
				bike1545,
				Is.Not.Null);

			Assert.That(
				bike1537,
				Is.Not.Null);

			Assert.That(
				bike1315,
				Is.Not.Null);

			Assert.That(
				bike1543,
				Is.Not.Null);

			Assert.That(bike1545.StateText, Is.EqualTo($"Rented since {DateTime.Parse("2020-11-06 17:53:22.784681+01"):dd. MMMM HH:mm}."));
			Assert.That(bike1537.StateText, Is.EqualTo($"Rented since {DateTime.Parse("2020-10-12 08:38:12.374231+02"):dd. MMMM HH:mm}."));
			Assert.That(bike1315.StateText, Is.EqualTo("Available."));
			Assert.That(bike1543.StateText, Is.EqualTo("Available."));
			Assert.That(bike1545.ButtonText, Is.EqualTo("Connect lock"));
			Assert.That(bike1537.ButtonText, Is.EqualTo("Connect lock"));
			Assert.That(bike1315.LockitButtonText, Is.EqualTo("DisposableDisconnected"));
			Assert.That(bike1543.LockitButtonText, Is.EqualTo("DisposableDisconnected"));

			// Login hint/ no bikes frame
			Assert.That(bikesAtStation.IsLoginRequiredHintVisible, Is.False);
			Assert.That(bikesAtStation.IsNoBikesAtStationVisible, Is.False);
			Assert.That(bikesAtStation.NoBikesAtStationText, Is.EqualTo(string.Empty));
		}

		[Test]
		public async Task TestConstruct_Droid_GeolocationOff()
		{
			var geolocation = Substitute.For<IServicesContainer<IGeolocationService>>();
			var locksService = Substitute.For<ILocksService>();
			var timeOut = Substitute.For<ITimeOutProvider>();
			var viewService = Substitute.For<IViewService>();
			var permissions = Substitute.For<ILocationPermission>();
			var bluetooth = Substitute.For<IBluetoothLE>();

			// Fake location permissions to be set
			permissions.CheckStatusAsync().Returns(Task.FromResult(Status.Granted));
			geolocation.Active.IsGeolcationEnabled.Returns(false); // Fake gps to be off
			bluetooth.State.Returns(BluetoothState.On); // Fake bluetooth to be on

			// Fake bluetooth answer for locks with id 2200545 and 2200537.
			locksService.GetLocksStateAsync(Arg.Any<IEnumerable<LockInfoAuthTdo>>(), Arg.Any<TimeSpan>()).Returns(
				new List<LockInfoTdo> {
					{ new LockInfoTdo.Builder { Id = 2200545, State = LockitLockingState.Open }.Build() },
					{ new LockInfoTdo.Builder { Id = 2200537, State = LockitLockingState.Closed }.Build() }
					}
				);
			const string MERCH_ID = "MyMerchId";

			var shareeBikeApp = new ShareeBikeApp(
				new Settings(
					new GroupFilterMapPage(new Dictionary<string, FilterState> { { FilterHelper.CARGOBIKE, FilterState.On }, { FilterHelper.CITYBIKE, FilterState.Off } }),
					new GroupFilterSettings(new Dictionary<string, FilterState> { { FilterHelper.CARGOBIKE, FilterState.On }, { FilterHelper.CITYBIKE, FilterState.On } }),
					new StartupSettings(),
					new Uri("https://shareeapp-primary.copri-bike.de/APIjsonserver"),
					new ShareeBike.Settings.PollingParameters(new TimeSpan(10000), true),
					Serilog.Events.LogEventLevel.Error,
					activeLockService: locksService.GetType().FullName,
					activeGeolocationService: typeof(GeolocationMock).FullName),
				new StoreMock(new ShareeBike.Model.User.Account.Account("a@b", "123456789", false, "5781_d47fc786e740ef77d85a24bcb6f0ff97_oiF2kahH", new List<string> { "300001", "300029" })),
				isConnectedFunc: () => true,
				connectorFactory: (isConnected, uri, sessionCookie, mail, expiresAfter) => new ConnectorCache(new AppContextInfo(MERCH_ID, "MyApp", new Version(1, 2)), null /*UI language */, sessionCookie, mail, server: new CopriCallsMemory(MERCH_ID, SampleSets.ShareeFr01_Set1, 1, sessionCookie)),
				merchantId: MERCH_ID,
				bluetoothService: Substitute.For<IBluetoothLE>(),
				locationPermissionsService: null,
				locationServicesContainer: geolocation,
				locksService: locksService, // Cipher
				device: new DeviceMock(), // Permissions,
				specialFolder: new SpecialFolderMock(),
				cipher: null,
				theme: null,
				postAction: (d, obj) => d(obj),
				currentVersion: new Version(3, 2, 0, 115), // Current app version
				lastVersion: new Version(3, 0, 173), // Current app version. Must be larger or equal 3.0.173 to 
				whatsNewShownInVersion: null); // Whats new page was never shown.

			var bikesAtStation = new BikesAtStationPageViewModel(
				shareeBikeApp.ActiveUser,
				permissions,
				bluetooth,
				Device.Android,
				new ShareeBike.Model.Stations.StationNS.Station("103", new List<string>(), null), // Station 103
				() => shareeBikeApp.GetIsConnected(),
				(isConnected) => shareeBikeApp.GetConnector(isConnected),
				geolocation.Active, // geolocation
				locksService,
				shareeBikeApp.Polling,
				(url) => { },
				(d, obj) => d(obj),
				Substitute.For<ISmartDevice>(),
				viewService);

			await bikesAtStation.OnAppearingOrRefresh();

			// Verify behavior
			Received.InOrder(() =>
			{
				permissions.CheckStatusAsync();
				var glDummy = geolocation.Active.Received().IsGeolcationEnabled;
				viewService.DisplayAlert(
						"Hint",
						"Please activate location so that bike lock can be found!",
						"OK");
			});

			Assert.That(bikesAtStation.StatusInfoText, Is.Empty);

			// Verify list of bikes
			Assert.That(bikesAtStation.Count, Is.EqualTo(4));
			Assert.That(bikesAtStation.IsIdle, Is.True);
			Assert.That(bikesAtStation.IsBikesListVisible, Is.True, "If there are any bikes, list must be visible.");

			var bike1545 = bikesAtStation.FirstOrDefault(x => x.Id == "1545") as ShareeBike.ViewModel.Bikes.Bike.BluetoothLock.BikeViewModel;
			var bike1537 = bikesAtStation.FirstOrDefault(x => x.Id == "1537") as ShareeBike.ViewModel.Bikes.Bike.BluetoothLock.BikeViewModel;
			var bike1315 = bikesAtStation.FirstOrDefault(x => x.Id == "1315") as ShareeBike.ViewModel.Bikes.Bike.BluetoothLock.BikeViewModel;
			var bike1543 = bikesAtStation.FirstOrDefault(x => x.Id == "1543") as ShareeBike.ViewModel.Bikes.Bike.BluetoothLock.BikeViewModel;

			Assert.That(
				bike1545,
				Is.Not.Null);

			Assert.That(
				bike1537,
				Is.Not.Null);

			Assert.That(
				bike1315,
				Is.Not.Null);

			Assert.That(
				bike1543,
				Is.Not.Null);

			Assert.That(bike1545.StateText, Is.EqualTo($"Rented since {DateTime.Parse("2020-11-06 17:53:22.784681+01"):dd. MMMM HH:mm}."));
			Assert.That(bike1537.StateText, Is.EqualTo($"Rented since {DateTime.Parse("2020-10-12 08:38:12.374231+02"):dd. MMMM HH:mm}."));
			Assert.That(bike1315.StateText, Is.EqualTo("Available."));
			Assert.That(bike1543.StateText, Is.EqualTo("Available."));
			Assert.That(bike1545.ButtonText, Is.EqualTo("Connect lock"));
			Assert.That(bike1537.ButtonText, Is.EqualTo("Connect lock"));
			Assert.That(bike1315.LockitButtonText, Is.EqualTo("DisposableDisconnected"));
			Assert.That(bike1543.LockitButtonText, Is.EqualTo("DisposableDisconnected"));

			// Login hint/ no bikes frame
			Assert.That(bikesAtStation.IsLoginRequiredHintVisible, Is.False);
			Assert.That(bikesAtStation.IsNoBikesAtStationVisible, Is.False);
			Assert.That(bikesAtStation.NoBikesAtStationText, Is.EqualTo(string.Empty));
		}

		[Test]
		public async Task TestConstruct_Droid_BluetoothOff()
		{
			var geolocation = Substitute.For<IServicesContainer<IGeolocationService>>();
			var locksService = Substitute.For<ILocksService>();
			var timeOut = Substitute.For<ITimeOutProvider>();
			var viewService = Substitute.For<IViewService>();
			var permissions = Substitute.For<ILocationPermission>();
			var bluetooth = Substitute.For<IBluetoothLE>();

			// Fake location permissions to be set
			permissions.CheckStatusAsync().Returns(Task.FromResult(Status.Granted));
			geolocation.Active.IsGeolcationEnabled.Returns(true); // Fake gps to be on
			bluetooth.State.Returns(BluetoothState.Off); //  // Fake bluetooth to be off

			// Fake bluetooth answer for locks with id 2200545 and 2200537.
			locksService.GetLocksStateAsync(Arg.Any<IEnumerable<LockInfoAuthTdo>>(), Arg.Any<TimeSpan>()).Returns(
				new List<LockInfoTdo> {
					{ new LockInfoTdo.Builder { Id = 2200545, State = LockitLockingState.Open }.Build() },
					{ new LockInfoTdo.Builder { Id = 2200537, State = LockitLockingState.Closed }.Build() }
					}
				);
			const string MERCH_ID = "MyMerchId";

			var shareeBikeApp = new ShareeBikeApp(
				new Settings(
					new GroupFilterMapPage(new Dictionary<string, FilterState> { { FilterHelper.CARGOBIKE, FilterState.On }, { FilterHelper.CITYBIKE, FilterState.Off } }),
					new GroupFilterSettings(new Dictionary<string, FilterState> { { FilterHelper.CARGOBIKE, FilterState.On }, { FilterHelper.CITYBIKE, FilterState.On } }),
					new StartupSettings(),
					new Uri("https://shareeapp-primary.copri-bike.de/APIjsonserver"),
					new ShareeBike.Settings.PollingParameters(new TimeSpan(10000), true),
					Serilog.Events.LogEventLevel.Error,
					activeLockService: locksService.GetType().FullName,
					activeGeolocationService: typeof(GeolocationMock).FullName),
				new StoreMock(new ShareeBike.Model.User.Account.Account("a@b", "123456789", false, "5781_d47fc786e740ef77d85a24bcb6f0ff97_oiF2kahH", new List<string> { "300001", "300029" })),
				isConnectedFunc: () => true,
				connectorFactory: (isConnected, uri, sessionCookie, mail, expiresAfter) => new ConnectorCache(new AppContextInfo(MERCH_ID, "MyApp", new Version(1, 2)), null /*UI language */, sessionCookie, mail, server: new CopriCallsMemory(MERCH_ID, SampleSets.ShareeFr01_Set1, 1, sessionCookie)),
				merchantId: MERCH_ID,
				bluetoothService: Substitute.For<IBluetoothLE>(),
				locationPermissionsService: null,
				locationServicesContainer: geolocation,
				locksService: locksService, // Cipher
				device: new DeviceMock(), // Permissions,
				specialFolder: new SpecialFolderMock(),
				cipher: null,
				theme: null,
				postAction: (d, obj) => d(obj),
				currentVersion: new Version(3, 2, 0, 115), // Current app version
				lastVersion: new Version(3, 0, 173), // Current app version. Must be larger or equal 3.0.173 to 
				whatsNewShownInVersion: null); // Whats new page was never shown.

			var bikesAtStation = new BikesAtStationPageViewModel(
				shareeBikeApp.ActiveUser,
				permissions,
				bluetooth,
				Device.Android,
				new ShareeBike.Model.Stations.StationNS.Station("103", new List<string>(), null), // Station 103
				() => shareeBikeApp.GetIsConnected(),
				(isConnected) => shareeBikeApp.GetConnector(isConnected),
				geolocation.Active, // geolocation
				locksService,
				shareeBikeApp.Polling,
				(url) => { },
				(d, obj) => d(obj),
				Substitute.For<ISmartDevice>(),
				viewService);

			await bikesAtStation.OnAppearingOrRefresh();

			// Verify behavior
			Received.InOrder(() =>
			{
				permissions.CheckStatusAsync();
				var glDummy = geolocation.Active.Received().IsGeolcationEnabled;
				var btDummy = bluetooth.Received().State;
				viewService.DisplayAlert(
						"Hint",
						"Please enable Bluetooth to manage bike lock/locks.",
						"OK");
			});

			Assert.That(bikesAtStation.StatusInfoText, Is.Empty);

			// Verify list of bikes
			Assert.That(bikesAtStation.Count, Is.EqualTo(4));
			Assert.That(bikesAtStation.IsIdle, Is.True);
			Assert.That(bikesAtStation.IsBikesListVisible, Is.True, "If there are any bikes, list must be visible.");

			var bike1545 = bikesAtStation.FirstOrDefault(x => x.Id == "1545") as ShareeBike.ViewModel.Bikes.Bike.BluetoothLock.BikeViewModel;
			var bike1537 = bikesAtStation.FirstOrDefault(x => x.Id == "1537") as ShareeBike.ViewModel.Bikes.Bike.BluetoothLock.BikeViewModel;
			var bike1315 = bikesAtStation.FirstOrDefault(x => x.Id == "1315") as ShareeBike.ViewModel.Bikes.Bike.BluetoothLock.BikeViewModel;
			var bike1543 = bikesAtStation.FirstOrDefault(x => x.Id == "1543") as ShareeBike.ViewModel.Bikes.Bike.BluetoothLock.BikeViewModel;

			Assert.That(
				bike1545,
				Is.Not.Null);

			Assert.That(
				bike1537,
				Is.Not.Null);

			Assert.That(
				bike1315,
				Is.Not.Null);

			Assert.That(
				bike1543,
				Is.Not.Null);

			Assert.That(bike1545.StateText, Is.EqualTo($"Rented since {DateTime.Parse("2020-11-06 17:53:22.784681+01"):dd. MMMM HH:mm}."));
			Assert.That(bike1537.StateText, Is.EqualTo($"Rented since {DateTime.Parse("2020-10-12 08:38:12.374231+02"):dd. MMMM HH:mm}."));
			Assert.That(bike1315.StateText, Is.EqualTo("Available."));
			Assert.That(bike1543.StateText, Is.EqualTo("Available."));
			Assert.That(bike1545.ButtonText, Is.EqualTo("Connect lock"));
			Assert.That(bike1537.ButtonText, Is.EqualTo("Connect lock"));
			Assert.That(bike1315.LockitButtonText, Is.EqualTo("DisposableDisconnected"));
			Assert.That(bike1543.LockitButtonText, Is.EqualTo("DisposableDisconnected"));

			// Login hint/ no bikes frame
			Assert.That(bikesAtStation.IsLoginRequiredHintVisible, Is.False);
			Assert.That(bikesAtStation.IsNoBikesAtStationVisible, Is.False);
			Assert.That(bikesAtStation.NoBikesAtStationText, Is.EqualTo(string.Empty));
		}

		[Test]
		public async Task TestConstructCitybike()
		{
			var locksService = Substitute.For<ILocksService>();
			var timeOut = Substitute.For<ITimeOutProvider>();
			var viewService = Substitute.For<IViewService>();
			var permissions = Substitute.For<ILocationPermission>();
			var bluetooth = Substitute.For<IBluetoothLE>();

			bluetooth.State.Returns(BluetoothState.On);

			locksService.TimeOut.Returns(timeOut);
			timeOut.MultiConnect.Returns(new TimeSpan(0));

			const string MERCH_ID = "MyMerchId";

			var shareeBikeApp = new ShareeBikeApp(
				new Settings(
					new GroupFilterMapPage(new Dictionary<string, FilterState> { { FilterHelper.CARGOBIKE, FilterState.On }, { FilterHelper.CITYBIKE, FilterState.Off } }),
					new GroupFilterSettings(new Dictionary<string, FilterState> { { FilterHelper.CARGOBIKE, FilterState.On }, { FilterHelper.CITYBIKE, FilterState.On } }),
					new StartupSettings(),
					new Uri("https://shareeapp-primary.copri-bike.de/APIjsonserver"),
					new ShareeBike.Settings.PollingParameters(new TimeSpan(10000), true),
					Serilog.Events.LogEventLevel.Error,
					activeLockService: locksService.GetType().FullName,
					activeGeolocationService: typeof(GeolocationMock).FullName),
				new StoreMock(),
				isConnectedFunc: () => true,
				connectorFactory: (isConnected, uri, sessionCookie, mail, expiresAfter) => new ConnectorCache(new AppContextInfo(MERCH_ID, "MyApp", new Version(1, 2)), null /*UI language */, sessionCookie, mail, server: new CopriCallsMemory001(sessionCookie)),
				merchantId: MERCH_ID,
				bluetoothService: Substitute.For<IBluetoothLE>(),
				locationPermissionsService: Substitute.For<ILocationPermission>(),
				locationServicesContainer: Substitute.For<IServicesContainer<IGeolocationService>>(),
				locksService: locksService, // Cipher
				device: new DeviceMock(),
				specialFolder: new SpecialFolderMock(),
				cipher: null,
				theme: null,
				postAction: (d, obj) => d(obj),
				currentVersion: new Version(3, 2, 0, 115), // Current app version
				lastVersion: new Version(3, 0, 173), // Current app version. Must be larger or equal 3.0.173 to 
				whatsNewShownInVersion: null); // Whats new page was never shown.

			var bikesAtStation = new BikesAtStationPageViewModel(
				shareeBikeApp.ActiveUser,
				permissions,
				bluetooth,
				Device.iOS,
				new ShareeBike.Model.Stations.StationNS.Station("FR101", new List<string>(), null), // Was 31 before switching CopriCallsMemory(SampleSets.Set2, 1, ...)
				() => shareeBikeApp.GetIsConnected(),
				(isConnected) => shareeBikeApp.GetConnector(isConnected),
				new GeolocationMock(),
				locksService,
				shareeBikeApp.Polling,
				(url) => { },
				(d, obj) => d(obj),
				Substitute.For<ISmartDevice>(),
				viewService);

			await bikesAtStation.OnAppearingOrRefresh();

			Assert.That(new List<string> { "Updating...", string.Empty }.Contains(bikesAtStation.StatusInfoText), Is.True);

			// Verify list of bikes
			Assert.That(bikesAtStation.Count, Is.EqualTo(3)); // Was 1 before switch.
			Assert.That(bikesAtStation.IsIdle, Is.True);
			Assert.That(bikesAtStation.IsBikesListVisible, Is.True, "If there are any bikes, list must be visible.");

			Assert.That(bikesAtStation.FirstOrDefault(x => x.Id == "FR1003").StateText, Is.EqualTo("Available.")); // Was 52 before switch.
			Assert.That(bikesAtStation.FirstOrDefault(x => x.Id == "FR1002").StateText, Is.EqualTo("Available."));
			Assert.That(bikesAtStation.FirstOrDefault(x => x.Id == "FR1001").StateText, Is.EqualTo("Available."));

			// Login hint/ no bikes frame
			Assert.That(bikesAtStation.IsLoginRequiredHintVisible, Is.True);
			Assert.That(bikesAtStation.IsNoBikesAtStationVisible, Is.False);
			Assert.That(bikesAtStation.NoBikesAtStationText, Is.EqualTo(string.Empty));
		}


		[Test]
		public async Task TestConstructCitybike_NoBikes()
		{
			var locksService = Substitute.For<ILocksService>();
			var timeOut = Substitute.For<ITimeOutProvider>();
			var viewService = Substitute.For<IViewService>();
			var permissions = Substitute.For<ILocationPermission>();
			var bluetooth = Substitute.For<IBluetoothLE>();

			bluetooth.State.Returns(BluetoothState.On);

			locksService.TimeOut.Returns(timeOut);
			timeOut.MultiConnect.Returns(new TimeSpan(0));

			const string MERCH_ID = "MyMerchId";

			var shareeBikeApp = new ShareeBikeApp(
				new Settings(
					new GroupFilterMapPage(new Dictionary<string, FilterState> { { FilterHelper.CARGOBIKE, FilterState.Off }, { FilterHelper.CITYBIKE, FilterState.On } }),
					new GroupFilterSettings(new Dictionary<string, FilterState> { { FilterHelper.CARGOBIKE, FilterState.On }, { FilterHelper.CITYBIKE, FilterState.On } }),
					new StartupSettings(),
					new Uri("https://tinkwwp.copri-bike.de/APIjsonserver"),
					new ShareeBike.Settings.PollingParameters(new TimeSpan(10000), true),
					Serilog.Events.LogEventLevel.Error,
					activeLockService: locksService.GetType().FullName,
					activeGeolocationService: typeof(GeolocationMock).FullName),
				new StoreMock(),
				isConnectedFunc: () => true,
				connectorFactory: (isConnected, uri, sessionCookie, mail, expiresAfter) => new ConnectorCache(new AppContextInfo("MyMerchId", "MyApp", new Version(1, 2)), null /*UI language */, sessionCookie, mail, server: new CopriCallsMemory(MERCH_ID, SampleSets.Set2, 1, sessionCookie)),
				merchantId: "MyMerchId",
				bluetoothService: Substitute.For<IBluetoothLE>(),
				locationPermissionsService: Substitute.For<ILocationPermission>(),
				locationServicesContainer: Substitute.For<IServicesContainer<IGeolocationService>>(),
				locksService: locksService, // Cipher
				device: new DeviceMock(),
				specialFolder: new SpecialFolderMock(),
				cipher: null,
				theme: null,
				postAction: (d, obj) => d(obj),
				currentVersion: new Version(3, 2, 0, 115), // Current app version
				lastVersion: new Version(3, 0, 173), // Current app version. Must be larger or equal 3.0.173 to 
				whatsNewShownInVersion: null); // Whats new page was never shown.

			var bikesAtStation = new BikesAtStationPageViewModel(
				shareeBikeApp.ActiveUser,
				permissions,
				bluetooth,
				Device.iOS,
				new ShareeBike.Model.Stations.StationNS.Station("4", new List<string>(), null),
				() => shareeBikeApp.GetIsConnected(),
				(isConnected) => shareeBikeApp.GetConnector(isConnected),
				new GeolocationMock(),
				locksService,
				shareeBikeApp.Polling,
				(url) => { },
				(d, obj) => d(obj),
				Substitute.For<ISmartDevice>(),
				viewService);

			await bikesAtStation.OnAppearingOrRefresh();

			Assert.That(new List<string> { "Updating...", string.Empty }.Contains(bikesAtStation.StatusInfoText), Is.True);

			// Verify list of bikes
			Assert.That(bikesAtStation.Count, Is.EqualTo(0));
			Assert.That(bikesAtStation.IsIdle, Is.True);
			Assert.That(bikesAtStation.IsBikesListVisible, Is.False, "If there are any bikes, list must be visible.");

			// Login hint/ no bikes frame
			Assert.That(bikesAtStation.IsLoginRequiredHintVisible, Is.False);
			Assert.That(bikesAtStation.IsNoBikesAtStationVisible, Is.True);
			Assert.That(bikesAtStation.NoBikesAtStationText, Is.EqualTo("There are currently no bicycles available at this station."));
		}

		[Test]
		public async Task TestConstruct_LoggedIn()
		{
			var locksService = Substitute.For<ILocksService>();
			var timeOut = Substitute.For<ITimeOutProvider>();
			var viewService = Substitute.For<IViewService>();
			var permissions = Substitute.For<ILocationPermission>();
			var bluetooth = Substitute.For<IBluetoothLE>();

			bluetooth.State.Returns(BluetoothState.On);

			locksService.TimeOut.Returns(timeOut);
			timeOut.MultiConnect.Returns(new TimeSpan(0));

			var shareeBikeApp = new ShareeBikeApp(
				new Settings(
					new GroupFilterMapPage(new Dictionary<string, FilterState> { { FilterHelper.CARGOBIKE, FilterState.Off }, { FilterHelper.CITYBIKE, FilterState.On } }),
					new GroupFilterSettings(new Dictionary<string, FilterState> { { FilterHelper.CARGOBIKE, FilterState.On }, { FilterHelper.CITYBIKE, FilterState.On } }),
					new StartupSettings(),
					new Uri("https://shareeapp-primary.copri-bike.de/APIjsonserver"),
					new ShareeBike.Settings.PollingParameters(new TimeSpan(10000), true),
					Serilog.Events.LogEventLevel.Error,
					activeLockService: locksService.GetType().FullName,
					activeGeolocationService: locksService.GetType().FullName),
					new StoreMock(new ShareeBike.Model.User.Account.Account(
					LoginSessionCopriInfo.JavaministerHardwareNr1.Mail,
					LoginSessionCopriInfo.JavaministerHardwareNr1.Pwd,
					false,
					"6103_112e96b36ba33de245943c5ffaf369cd_", // Was 4da3044c8657a04ba60e2eaa753bc51a before switching from data provider CopriCallsMemory(SampleSets.Set2, 1, ...) 
					new List<string> { FilterHelper.CARGOBIKE })),
				isConnectedFunc: () => true,
				connectorFactory: (isConnected, uri, sessionCookie, mail, expiresAfter) => new ConnectorCache(new AppContextInfo("MyMerchId", "MyApp", new Version(1, 2)), null /*UI language */, sessionCookie, mail, server: new CopriCallsMemory001(sessionCookie)),
				merchantId: "MyMerchId",
				bluetoothService: Substitute.For<IBluetoothLE>(),
				locationPermissionsService: Substitute.For<ILocationPermission>(),
				locationServicesContainer: Substitute.For<IServicesContainer<IGeolocationService>>(),
				locksService: locksService, // Cipher
				device: new DeviceMock(),
				specialFolder: new SpecialFolderMock(),
				cipher: null,
				theme: null,
				postAction: (d, obj) => d(obj),
				currentVersion: new Version(3, 2, 0, 115), // Current app version
				lastVersion: new Version(3, 0, 173), // Current app version. Must be larger or equal 3.0.173 to 
				whatsNewShownInVersion: null); // Whats new page was never shown.

			var bikesAtStation = new BikesAtStationPageViewModel(
				shareeBikeApp.ActiveUser,
				permissions,
				bluetooth,
				Device.iOS,
				new ShareeBike.Model.Stations.StationNS.Station("FR103", new List<string>(), null), // Was station id 4 before switching from data provider CopriCallsMemory(SampleSets.Set2, 1, ...) 
				() => shareeBikeApp.GetIsConnected(),
				(isConnected) => shareeBikeApp.GetConnector(isConnected),
				new GeolocationMock(),
				locksService,
				shareeBikeApp.Polling,
				(url) => { },
				(d, obj) => d(obj),
				Substitute.For<ISmartDevice>(),
				viewService);

			await bikesAtStation.OnAppearingOrRefresh();

			Assert.That(new List<string> { "Updating...", string.Empty }.Contains(bikesAtStation.StatusInfoText), Is.True);

			// Verify list of bikes
			Assert.That(bikesAtStation.Count, Is.EqualTo(4)); // Count of bikes was 4 before switching from data provider CopriCallsMemory(SampleSets.Set2, 1, ...)
			Assert.That(bikesAtStation.IsIdle, Is.True);
			Assert.That(bikesAtStation.IsBikesListVisible, Is.True, "If there are any bikes, list must be visible.");

			Assert.That(bikesAtStation.FirstOrDefault(x => x.Id == "FR9999").StateText, Is.EqualTo("Available."));
			Assert.That(bikesAtStation.FirstOrDefault(x => x.Id == "FR9999").StateText, Is.EqualTo("Available."));
			Assert.That(bikesAtStation.FirstOrDefault(x => x.Id == "FR1004").StateText, Is.EqualTo("Max. reservation time expired."));
			Assert.That(bikesAtStation.FirstOrDefault(x => x.Id == "FR1544").StateText, Is.EqualTo($"Rented since {DateTime.Parse("2021-11-06 18:57:25.445447+01"):dd. MMMM HH:mm}.")); // Was 7

			// Login hint/ no bikes frame
			Assert.That(bikesAtStation.IsLoginRequiredHintVisible, Is.False);
			Assert.That(bikesAtStation.IsNoBikesAtStationVisible, Is.False);
			Assert.That(bikesAtStation.NoBikesAtStationText, Is.EqualTo(string.Empty));
		}

		[Test]
		public async Task TestConstruct_Offline()
		{
			var locksService = Substitute.For<ILocksService>();
			var timeOut = Substitute.For<ITimeOutProvider>();
			var viewService = Substitute.For<IViewService>();
			var permissions = Substitute.For<ILocationPermission>();
			var bluetooth = Substitute.For<IBluetoothLE>();

			bluetooth.State.Returns(BluetoothState.On);

			locksService.TimeOut.Returns(timeOut);
			timeOut.MultiConnect.Returns(new TimeSpan(0));

			var shareeBikeApp = new ShareeBikeApp(
				new Settings(
					new GroupFilterMapPage(new Dictionary<string, FilterState> { { FilterHelper.CARGOBIKE, FilterState.Off }, { FilterHelper.CITYBIKE, FilterState.On } }),
					new GroupFilterSettings(new Dictionary<string, FilterState> { { FilterHelper.CARGOBIKE, FilterState.On }, { FilterHelper.CITYBIKE, FilterState.On } }),
					new StartupSettings(),
					new Uri("https://shareeapp-primary.copri-bike.de/APIjsonserver"),
					new ShareeBike.Settings.PollingParameters(new TimeSpan(10000), true),
					Serilog.Events.LogEventLevel.Error,
					activeLockService: locksService.GetType().FullName,
					activeGeolocationService: typeof(GeolocationMock).FullName),
				new StoreMock(),
												isConnectedFunc: () => false,
				connectorFactory: (isConnected, uri, sessionCookie, mail, expiresAfter) => new ConnectorCache(new AppContextInfo("MyMerchId", "MyApp", new Version(1, 2)), null /*UI language */, sessionCookie, mail, server: new CopriCallsMemory001(sessionCookie)),
				merchantId: "MyMerchId",
				bluetoothService: Substitute.For<IBluetoothLE>(),
				locationPermissionsService: Substitute.For<ILocationPermission>(),
				locationServicesContainer: Substitute.For<IServicesContainer<IGeolocationService>>(),
				locksService: locksService, // Cipher
				device: new DeviceMock(),
				specialFolder: new SpecialFolderMock(),
				cipher: null, // Not connected.
				theme: null,
				postAction: (d, obj) => d(obj),
				currentVersion: new Version(3, 2, 0, 115), // Current app version
				lastVersion: new Version(3, 0, 173), // Current app version. Must be larger or equal 3.0.173 to 
				whatsNewShownInVersion: null); // Whats new page was never shown.

			var bikesAtStation = new BikesAtStationPageViewModel(
				shareeBikeApp.ActiveUser,
				permissions,
				bluetooth,
				Device.iOS,
				new ShareeBike.Model.Stations.StationNS.Station("FR103", new List<string>(), null), // Was station id 4 before switching from data provider CopriCallsMemory(SampleSets.Set2, 1
				() => shareeBikeApp.GetIsConnected(),
				(isConnected) => shareeBikeApp.GetConnector(isConnected),
				new GeolocationMock(),
				locksService,
				shareeBikeApp.Polling,
				(url) => { },
				(d, obj) => d(obj),
				Substitute.For<ISmartDevice>(),
				viewService);

			await bikesAtStation.OnAppearingOrRefresh();

			// Verify list of bikes
			Assert.That(bikesAtStation.Count, Is.EqualTo(2)); // Count of bikes was 3. There is no more bike with id 26.
			Assert.That(bikesAtStation.IsIdle, Is.True);
			Assert.That(bikesAtStation.IsBikesListVisible, Is.True, "If there are any bikes, list must be visible.");

			Assert.That(bikesAtStation.FirstOrDefault(x => x.Id == "FR9999").StateText, Is.EqualTo("Available.")); // Was id 5
			Assert.That(bikesAtStation.FirstOrDefault(x => x.Id == "FR9998").StateText, Is.EqualTo("Available.")); // Was is 14

			// Login hint/ no bikes frame
			Assert.That(bikesAtStation.IsLoginRequiredHintVisible, Is.True);
			Assert.That(bikesAtStation.IsNoBikesAtStationVisible, Is.False);
			Assert.That(bikesAtStation.NoBikesAtStationText, Is.EqualTo(string.Empty));
		}

		[Test]
		public async Task TestConstruct_WebConnectCommunicationError()
		{
			var locksService = Substitute.For<ILocksService>();
			var timeOut = Substitute.For<ITimeOutProvider>();
			var viewService = Substitute.For<IViewService>();
			var permissions = Substitute.For<ILocationPermission>();
			var bluetooth = Substitute.For<IBluetoothLE>();

			bluetooth.State.Returns(BluetoothState.On);

			locksService.TimeOut.Returns(timeOut);
			timeOut.MultiConnect.Returns(new TimeSpan(0));

			var shareeBikeApp = new ShareeBikeApp(
				new Settings(
					new GroupFilterMapPage(new Dictionary<string, FilterState> { { FilterHelper.CARGOBIKE, FilterState.Off }, { FilterHelper.CITYBIKE, FilterState.On } }),
					new GroupFilterSettings(new Dictionary<string, FilterState> { { FilterHelper.CARGOBIKE, FilterState.On }, { FilterHelper.CITYBIKE, FilterState.On } }),
					new StartupSettings(),
					new Uri("https://shareeapp-primary.copri-bike.de/APIjsonserver"),
					new ShareeBike.Settings.PollingParameters(new TimeSpan(10000), true),
					Serilog.Events.LogEventLevel.Error,
					activeLockService: locksService.GetType().FullName,
					activeGeolocationService: typeof(GeolocationMock).FullName),
				new StoreMock(),
												isConnectedFunc: () => false,
				connectorFactory: (isConnected, uri, sessionCookie, mail, expiresAfter) => new ShareeBike.Model.Connector.Connector(
						uri,
						new AppContextInfo("oiF2kahH", "sharee.bike.test", new Version(3, 0, 267)),
						null /*UI language */,
						sessionCookie,
						mail,
						server: new CopriProviderHttps(
							uri,
							ShareeBikeApp.MerchantId,
							new AppContextInfo("oiF2kahH", "sharee.bike.test", new Version(3, 0, 267)),
							null /*UI language */,
							sessionCookie: sessionCookie,
							cacheServer: new CopriCallsCacheMemory001(sessionCookie: sessionCookie),
							httpsServer: new ExceptionServer((msg) => new WebConnectFailureException(msg, new Exception("Source expection."))))),
				merchantId: "MyMerchId",
				bluetoothService: Substitute.For<IBluetoothLE>(),
				locationPermissionsService: Substitute.For<ILocationPermission>(),
				locationServicesContainer: Substitute.For<IServicesContainer<IGeolocationService>>(),
				locksService: locksService, // Cipher
				device: new DeviceMock(),
				specialFolder: new SpecialFolderMock(),
				cipher: null, // Not connected.
				theme: null,
				postAction: (d, obj) => d(obj),
				currentVersion: new Version(3, 2, 0, 115), // Current app version
				lastVersion: new Version(3, 0, 173), // Current app version. Must be larger or equal 3.0.173 to 
				whatsNewShownInVersion: null); // Whats new page was never shown.

			var bikesAtStation = new BikesAtStationPageViewModel(
				shareeBikeApp.ActiveUser,
				permissions,
				bluetooth,
				Device.iOS,
				new ShareeBike.Model.Stations.StationNS.Station("FR103", new List<string>(), null), // Was station id 4 before switching from data provider CopriCallsCacheMemory()
				() => shareeBikeApp.GetIsConnected(),
				(isConnected) => shareeBikeApp.GetConnector(isConnected),
				new GeolocationMock(),
				locksService,
				shareeBikeApp.Polling,
				(url) => { },
				(d, obj) => d(obj),
				Substitute.For<ISmartDevice>(),
				viewService)
			{
				IsReportLevelVerbose = true
			};

			await bikesAtStation.OnAppearingOrRefresh();

			// Verify list of bikes
			Assert.That(bikesAtStation.Count, Is.EqualTo(2)); // Count of bikes was 3. There is no more bike with id 26.
			Assert.That(bikesAtStation.IsIdle, Is.True);
			Assert.That(bikesAtStation.IsBikesListVisible, Is.True, "If there are any bikes, list must be visible.");

			Assert.That(bikesAtStation.FirstOrDefault(x => x.Id == "FR9999").StateText, Is.EqualTo("Available.")); // Was id 5
			Assert.That(bikesAtStation.FirstOrDefault(x => x.Id == "FR9998").StateText, Is.EqualTo("Available.")); // Was is 14

			// Login hint/ no bikes frame
			Assert.That(bikesAtStation.IsLoginRequiredHintVisible, Is.True);
			Assert.That(bikesAtStation.IsNoBikesAtStationVisible, Is.False);
			Assert.That(bikesAtStation.NoBikesAtStationText, Is.EqualTo(string.Empty));
		}

		[Test]
		public async Task TestShareeBikeApp_GeneralPurposeError()
		{
			var locksService = Substitute.For<ILocksService>();
			var timeOut = Substitute.For<ITimeOutProvider>();
			var viewService = Substitute.For<IViewService>();
			var permissions = Substitute.For<ILocationPermission>();
			var bluetooth = Substitute.For<IBluetoothLE>();

			bluetooth.State.Returns(BluetoothState.On);

			locksService.TimeOut.Returns(timeOut);
			timeOut.MultiConnect.Returns(new TimeSpan(0));

			var shareeBikeApp = new ShareeBikeApp(
				new Settings(
					new GroupFilterMapPage(new Dictionary<string, FilterState> { { FilterHelper.CARGOBIKE, FilterState.Off }, { FilterHelper.CITYBIKE, FilterState.On } }),
					new GroupFilterSettings(new Dictionary<string, FilterState> { { FilterHelper.CARGOBIKE, FilterState.On }, { FilterHelper.CITYBIKE, FilterState.On } }),
					new StartupSettings(),
					new Uri("https://shareeapp-primary.copri-bike.de/APIjsonserver"),
					new ShareeBike.Settings.PollingParameters(new TimeSpan(10000),
					true),
					Serilog.Events.LogEventLevel.Error,
					activeLockService: locksService.GetType().FullName,
					activeGeolocationService: typeof(GeolocationMock).FullName),
				new StoreMock(),
				isConnectedFunc: () => false,
				connectorFactory: (isConnected, uri, sessionCookie, mail, expiresAfter) => new ShareeBike.Model.Connector.Connector(
					uri,
					new AppContextInfo("oiF2kahH", "sharee.bike.test", new Version(3, 0, 267)),
					null /*UI language */,
					sessionCookie,
					mail,
					server: new CopriProviderHttps(
						uri,
						ShareeBikeApp.MerchantId,
						new AppContextInfo("oiF2kahH", "sharee.bike.test", new Version(3, 0, 267)),
						null /*UI language */,
						sessionCookie: sessionCookie,
						cacheServer: new CopriCallsCacheMemory001(sessionCookie: sessionCookie),
						httpsServer: new ExceptionServer((msg) => new Exception(msg)))),
				merchantId: "MyMerchId",
				bluetoothService: Substitute.For<IBluetoothLE>(),
				locationPermissionsService: Substitute.For<ILocationPermission>(),
				locationServicesContainer: Substitute.For<IServicesContainer<IGeolocationService>>(),
				locksService: locksService, // Cipher
				device: new DeviceMock(),
				specialFolder: new SpecialFolderMock(),
				cipher: null, // Not connected.
				theme: null,
				postAction: (d, obj) => d(obj),
				currentVersion: new Version(3, 2, 0, 115), // Current app version
				lastVersion: new Version(3, 0, 173), // Current app version. Must be larger or equal 3.0.173 to 
				whatsNewShownInVersion: null); // Whats new page was never shown.

			var bikesAtStation = new BikesAtStationPageViewModel(
				shareeBikeApp.ActiveUser,
				permissions,
				bluetooth,
				Device.iOS,
				new ShareeBike.Model.Stations.StationNS.Station("FR103", new List<string>(), null), // Was station id 4 before switching from data provider CopriCallsCacheMemory()
				() => shareeBikeApp.GetIsConnected(),
				(isConnected) => shareeBikeApp.GetConnector(isConnected),
				new GeolocationMock(),
				locksService,
				shareeBikeApp.Polling,
				(url) => { },
				(d, obj) => d(obj),
				Substitute.For<ISmartDevice>(),
				viewService)
			{
				IsReportLevelVerbose = true
			};

			await bikesAtStation.OnAppearingOrRefresh();

			// Verify list of bikes
			Assert.That(bikesAtStation.Count, Is.EqualTo(2)); // Count of bikes was 3. There is no more bike with id 26.
			Assert.That(bikesAtStation.IsIdle, Is.True);
			Assert.That(bikesAtStation.IsBikesListVisible, Is.True, "If there are any bikes, list must be visible.");

			Assert.That(bikesAtStation.FirstOrDefault(x => x.Id == "FR9999").StateText, Is.EqualTo("Available."));  // Was id 5
			Assert.That(bikesAtStation.FirstOrDefault(x => x.Id == "FR9998").StateText, Is.EqualTo("Available."));  // Was id 14.

			// Login hint/ no bikes frame
			Assert.That(bikesAtStation.IsLoginRequiredHintVisible, Is.True);
			Assert.That(bikesAtStation.IsNoBikesAtStationVisible, Is.False);
			Assert.That(bikesAtStation.NoBikesAtStationText, Is.EqualTo(string.Empty));
		}
	}
}