public ControllerActionPageViewModel(
INavigationService navigationService,
ITranslationService translationService,
ICreationManager creationManager,
IDeviceManager deviceManager,
IDialogService dialogService,
IPreferences preferences,
NavigationParameters parameters)
: base(navigationService, translationService)
{
_creationManager = creationManager;
_deviceManager = deviceManager;
_dialogService = dialogService;
_preferences = preferences;
ControllerAction = parameters.Get <ControllerAction>("controlleraction", null);
ControllerEvent = parameters.Get <ControllerEvent>("controllerevent", null) ?? ControllerAction?.ControllerEvent;
var device = _deviceManager.GetDeviceById(ControllerAction?.DeviceId);
if (ControllerAction != null && device != null)
{
SelectedDevice = device;
Action.Channel = ControllerAction.Channel;
Action.IsInvert = ControllerAction.IsInvert;
Action.ChannelOutputType = ControllerAction.ChannelOutputType;
Action.MaxServoAngle = ControllerAction.MaxServoAngle;
Action.ButtonType = ControllerAction.ButtonType;
Action.AxisType = ControllerAction.AxisType;
Action.AxisCharacteristic = ControllerAction.AxisCharacteristic;
Action.MaxOutputPercent = ControllerAction.MaxOutputPercent;
Action.AxisDeadZonePercent = ControllerAction.AxisDeadZonePercent;
Action.ServoBaseAngle = ControllerAction.ServoBaseAngle;
Action.StepperAngle = ControllerAction.StepperAngle;
Action.SequenceName = ControllerAction.SequenceName;
}
else
{
var lastSelectedDeviceId = _preferences.Get <string>("LastSelectedDeviceId", null, "com.scn.BrickController2.ControllerActionPage");
SelectedDevice = _deviceManager.GetDeviceById(lastSelectedDeviceId) ?? _deviceManager.Devices.FirstOrDefault();
Action.Channel = 0;
Action.IsInvert = false;
Action.ChannelOutputType = ChannelOutputType.NormalMotor;
Action.MaxServoAngle = 90;
Action.ButtonType = ControllerButtonType.Normal;
Action.AxisType = ControllerAxisType.Normal;
Action.AxisCharacteristic = ControllerAxisCharacteristic.Linear;
Action.MaxOutputPercent = 100;
Action.AxisDeadZonePercent = 0;
Action.ServoBaseAngle = 0;
Action.StepperAngle = 90;
Action.SequenceName = string.Empty;
}
SaveControllerActionCommand = new SafeCommand(async() => await SaveControllerActionAsync(), () => SelectedDevice != null);
DeleteControllerActionCommand = new SafeCommand(async() => await DeleteControllerActionAsync());
OpenDeviceDetailsCommand = new SafeCommand(async() => await OpenDeviceDetailsAsync(), () => SelectedDevice != null);
OpenChannelSetupCommand = new SafeCommand(async() => await OpenChannelSetupAsync(), () => SelectedDevice != null);
OpenSequenceEditorCommand = new SafeCommand(async() => await OpenSequenceEditorAsync());
}
public void ExecuteAsyncT_RunsOnTaskPool(string parameter)
{
ICommand command = new SafeCommand <string>(MockTask);
bool isExecuting = true;
Thread callingThread = null, executingThread = null;
async Task MockTask(string text)
{
await Task.Delay(Delay);
executingThread = Thread.CurrentThread;
isExecuting = false;
}
var thread = new Thread(new ThreadStart(() =>
{
callingThread = Thread.CurrentThread;
command.Execute(parameter);
}));
thread.Start();
while (isExecuting)
{
Thread.Sleep(Delay / 25);
}
Assert.False(callingThread.IsThreadPoolThread);
Assert.True(executingThread.IsThreadPoolThread);
}
public void AsyncCommand_CanExecuteChanged_Test()
{
//Arrange
bool canCommandExecute = false;
bool didCanExecuteChangeFire = false;
SafeCommand command = new SafeCommand(NoParameterTask, canExecute: commandCanExecute);
command.CanExecuteChanged += handleCanExecuteChanged;
void handleCanExecuteChanged(object sender, EventArgs e) => didCanExecuteChangeFire = true;
bool commandCanExecute() => canCommandExecute;
Assert.False(command.CanExecute(null));
//Act
canCommandExecute = true;
//Assert
Assert.True(command.CanExecute(null));
Assert.False(didCanExecuteChangeFire);
//Act
command.RaiseCanExecuteChanged();
//Assert
Assert.True(didCanExecuteChangeFire);
Assert.True(command.CanExecute(null));
}
public CreationPageViewModel(
INavigationService navigationService,
ITranslationService translationService,
ICreationManager creationManager,
IDialogService dialogService,
ISharedFileStorageService sharedFileStorageService,
IPlayLogic playLogic,
NavigationParameters parameters)
: base(navigationService, translationService)
{
_creationManager = creationManager;
_dialogService = dialogService;
SharedFileStorageService = sharedFileStorageService;
_playLogic = playLogic;
Creation = parameters.Get <Creation>("creation");
ImportControllerProfileCommand = new SafeCommand(async() => await ImportControllerProfileAsync(), () => SharedFileStorageService.IsSharedStorageAvailable);
ExportCreationCommand = new SafeCommand(async() => await ExportCreationAsync(), () => SharedFileStorageService.IsSharedStorageAvailable);
RenameCreationCommand = new SafeCommand(async() => await RenameCreationAsync());
PlayCommand = new SafeCommand(async() => await PlayAsync());
AddControllerProfileCommand = new SafeCommand(async() => await AddControllerProfileAsync());
ControllerProfileTappedCommand = new SafeCommand <ControllerProfile>(async controllerProfile => await NavigationService.NavigateToAsync <ControllerProfilePageViewModel>(new NavigationParameters(("controllerprofile", controllerProfile))));
DeleteControllerProfileCommand = new SafeCommand <ControllerProfile>(async controllerProfile => await DeleteControllerProfileAsync(controllerProfile));
}
public void ExecuteAsync_RunsOnNewThread()
{
ICommand command = new SafeCommand(MockTask);
bool isExecuting = true;
Thread callingThread = null, executingThread = null;
async Task MockTask()
{
await Task.Delay(Delay);
executingThread = Thread.CurrentThread;
isExecuting = false;
}
var thread = new Thread(new ThreadStart(() =>
{
callingThread = Thread.CurrentThread;
command.Execute(null);
}));
thread.Start();
while (isExecuting)
{
Thread.Sleep(Delay / 25);
}
Assert.NotEqual(callingThread.ManagedThreadId, executingThread.ManagedThreadId);
}
public ControllerProfilePageViewModel(
INavigationService navigationService,
ITranslationService translationService,
ICreationManager creationManager,
IDeviceManager deviceManager,
IDialogService dialogService,
IPlayLogic playLogic,
NavigationParameters parameters)
: base(navigationService, translationService)
{
_creationManager = creationManager;
_deviceManager = deviceManager;
_dialogService = dialogService;
_playLogic = playLogic;
ControllerProfile = parameters.Get <ControllerProfile>("controllerprofile");
RenameProfileCommand = new SafeCommand(async() => await RenameControllerProfileAsync());
AddControllerEventCommand = new SafeCommand(async() => await AddControllerEventAsync());
PlayCommand = new SafeCommand(async() => await PlayAsync());
ControllerActionTappedCommand = new SafeCommand <ControllerActionViewModel>(async controllerActionViewModel => await NavigationService.NavigateToAsync <ControllerActionPageViewModel>(new NavigationParameters(("controlleraction", controllerActionViewModel.ControllerAction))));
DeleteControllerEventCommand = new SafeCommand <ControllerEvent>(async controllerEvent => await DeleteControllerEventAsync(controllerEvent));
DeleteControllerActionCommand = new SafeCommand <ControllerAction>(async controllerAction => await DeleteControllerActionAsync(controllerAction));
PopulateControllerEvents();
}
public void ExecuteT_SecondCallAfterException_Executes()
{
int times = 0;
async Task MockTask(string text)
{
await Task.Delay(Delay);
if (times++ == 0)
{
throw new Exception(); //Throws only on first try
}
}
var dts = new DeterministicTaskScheduler(shouldThrowExceptions: false);
ICommand command = new SafeCommand <string>(MockTask, dts, null, null);
command.Execute("test");
dts.RunTasksUntilIdle();
command.Execute("test");
dts.RunTasksUntilIdle();
Assert.NotEmpty(dts.Exceptions);
Assert.Equal(2, times);
}
public void ExecuteAsync_MustRunOnCurrentSyncContextTrue_RunsOnCurrentThread()
{
ICommand command = new SafeCommand(MockTask, mustRunOnCurrentSyncContext: true);
bool isExecuting = true;
Thread callingThread = null, executingThread = null;
async Task MockTask()
{
executingThread = Thread.CurrentThread;
await Task.Delay(Delay).ConfigureAwait(true);
isExecuting = false;
}
var thread = new Thread(new ThreadStart(() =>
{
callingThread = Thread.CurrentThread;
command.Execute(null);
}));
thread.Start();
while (isExecuting)
{
Thread.Sleep(Delay / 25);
}
Assert.Equal(callingThread.ManagedThreadId, executingThread.ManagedThreadId);
}
public void ExecuteT_IBusy_CalledTwice_FiresOnceIfBusy()
{
int times = 0;
async Task MockTask(string text)
{
await Task.Delay(Delay);
times++;
}
var mockVm = new Mock <IBusy>();
var dts = new DeterministicTaskScheduler(shouldThrowExceptions: false);
ICommand command = new SafeCommand <string>(MockTask, dts, mockVm.Object);
command.Execute("test");
command.Execute("test");
dts.RunTasksUntilIdle();
Assert.Equal(1, times);
mockVm.VerifyGet(vm => vm.IsBusy, Times.Exactly(2));
mockVm.VerifySet(vm => vm.IsBusy = true);
mockVm.VerifySet(vm => vm.IsBusy = false);
}
public void ExecuteAsync_MustRunOnCurrentSyncContextTrue_NotRunOnTaskPool()
{
ICommand command = new SafeCommand(MockTask, mustRunOnCurrentSyncContext: true);
bool isExecuting = true;
Thread callingThread = null, executingThread = null;
async Task MockTask()
{
executingThread = Thread.CurrentThread;
await Task.Delay(Delay);
isExecuting = false;
}
var thread = new Thread(new ThreadStart(() =>
{
callingThread = Thread.CurrentThread;
command.Execute(null);
}));
thread.Start();
while (isExecuting)
{
Thread.Sleep(Delay / 25);
}
Assert.False(executingThread.IsThreadPoolThread);
Assert.False(callingThread.IsThreadPoolThread);
}
protected PageViewModelBase(INavigationService navigationService, ITranslationService translationService)
{
NavigationService = navigationService;
TranslationService = translationService;
BackCommand = new SafeCommand(() => NavigationService.NavigateBackAsync());
}
public void Execute_SecondCallAfterException_Executes()
{
SafeExecutionHelpers.RevertToDefaultImplementation();
var mockHelpers = new Mock <ISafeExecutionHelpers>();
SafeExecutionHelpers.Implementation = mockHelpers.Object;
Exception exception = new Exception();
int times = 0;
void MockTask(string text)
{
if (times++ == 0)
{
throw exception; //Throws only on first try
}
}
ICommand command = new SafeCommand <string>(MockTask);
//Assert.Throws<Exception>(()=>command.Execute("test"));
//First run
command.Execute("test");
mockHelpers.Verify(h => h.HandleException <Exception>(exception, null));
//Second run
command.Execute("test");
Assert.Equal(2, times);
SafeExecutionHelpers.RevertToDefaultImplementation();
}
public SequenceEditorPageViewModel(
INavigationService navigationService,
ITranslationService translationService,
IDialogService dialogService,
ICreationManager creationManager,
NavigationParameters parameters) :
base(navigationService, translationService)
{
_dialogService = dialogService;
_creationManager = creationManager;
OriginalSequence = parameters.Get <Sequence>("sequence");
Sequence = new Sequence
{
Name = OriginalSequence.Name,
Loop = OriginalSequence.Loop,
Interpolate = OriginalSequence.Interpolate,
ControlPoints = new ObservableCollection <SequenceControlPoint>(OriginalSequence.ControlPoints.Select(cp => new SequenceControlPoint {
Value = cp.Value, DurationMs = cp.DurationMs
}).ToArray())
};
RenameSequenceCommand = new SafeCommand(async() => await RenameSequenceAsync());
AddControlPointCommand = new SafeCommand(() => AddControlPoint());
DeleteControlPointCommand = new SafeCommand <SequenceControlPoint>(async(controlPoint) => await DeleteControlPointAsync(controlPoint));
SaveSequenceCommand = new SafeCommand(async() => await SaveSequenceAsync(), () => !_dialogService.IsDialogOpen);
ChangeControlPointDurationCommand = new SafeCommand <SequenceControlPoint>(async(controlPoint) => await ChangeControlPointDurationAsync(controlPoint));
}
public void Execute_ParameterIsWrongValueType_ThrowsInvalidCommandParameterException()
{
int executions = 0;
var Command = new SafeCommand <int>(executeAction: context => executions += 1);
Assert.Throws <InvalidCommandParameterException>(() => Command.Execute(10.5));
Assert.True(executions == 0); // "the Command should not have executed");
}
public void Execute_ParameterIsWrongReferenceType_ThrowsInvalidCommandParameterException()
{
int executions = 0;
var Command = new SafeCommand <FakeChildContext>(executeAction: context => executions += 1);
Assert.Throws <InvalidCommandParameterException>(() => Command.Execute(new FakeParentContext()));
Assert.True(executions == 0); //, "the Command should not have executed");
}
public void GenericExecuteWithCanExecute()
{
string result = null;
var cmd = new SafeCommand <string>(s => result = s, canExecute: s => true);
cmd.Execute("Foo");
Assert.Equal("Foo", result);
}
public void Execute_ValueTypeAndSetToNull_ThrowsInvalidCommandParameterException()
{
int executions = 0;
var Command = new SafeCommand <int>(executeAction: context => executions += 1);
Assert.Throws <InvalidCommandParameterException>(() => Command.Execute(null));
Assert.True(executions == 0, "the Command should not have executed");
}
public void ExecuteWithCanExecute()
{
bool executed = false;
var cmd = new SafeCommand(() => executed = true, canExecute: () => true);
cmd.Execute(null);
Assert.True(executed);
}
public void AsyncCommand_Parameter_CanExecuteFalse_Test()
{
//Arrange
SafeCommand <int> command = new SafeCommand <int>(IntParameterTask, canExecute: o => CanExecuteFalse(o));
//Act
//Assert
Assert.False(command.CanExecute(null));
}
public void AsyncCommand_NoParameter_CanExecuteFalse_Test()
{
//Arrange
SafeCommand command = new SafeCommand(NoParameterTask, canExecute: CanExecuteFalse);
//Act
//Assert
Assert.False(command.CanExecute(null));
}
public void ChangeCanExecute()
{
bool signaled = false;
var cmd = new SafeCommand(() => { });
cmd.CanExecuteChanged += (sender, args) => signaled = true;
cmd.RaiseCanExecuteChanged();
Assert.True(signaled);
}
public void CanExecuteT_NullParameterWithNonNullableValueType_False()
{
//Arrange
SafeCommand <int> command = new SafeCommand <int>(IntParameterTask, canExecute: o => CanExecuteTrue(o));
//Act
//Assert
Assert.False(command.CanExecute(null));
}
public void Execute_WithIBusy_IsBusyTrueWhileRunning()
{
var vm = new MockViewModel();
var command = new SafeCommand(executeAction: () => { Assert.True(vm.IsBusy); }, vm);
Assert.False(vm.IsBusy);
command.Execute(null);
//see Assert in command
Assert.False(vm.IsBusy);
}
public void ExecuteT_WithIViewModelBase_IsBusyTrueWhileRunning(int number)
{
var vm = new MockViewModel();
var command = new SafeCommand <int>(executeAction: (i) => { Assert.True(vm.IsBusy); }, vm);
Assert.False(vm.IsBusy);
command.Execute(number);
//see Assert in command
Assert.False(vm.IsBusy);
}
public void GenericCanExecute(bool expected)
{
string result = null;
var cmd = new SafeCommand <string>(s => { }, canExecute: s => {
result = s;
return(expected);
});
Assert.Equal(expected, cmd.CanExecute("Foo"));
Assert.Equal("Foo", result);
}
public void ExecuteRunsIfReferenceTypeAndSetToNull()
{
int executions = 0;
var Command = new SafeCommand <FakeChildContext>(context => executions += 1);
var exception = Record.Exception(() => Command.Execute(null));
Assert.Null(exception);
//"null is a valid value for a reference type");
Assert.True(executions == 1, "the Command should have executed");
}
public void Execute_NullableAndSetToNull_Runs()
{
int executions = 0;
var Command = new SafeCommand <int?>(executeAction: context => executions += 1);
var exception = Record.Exception(() => Command.Execute(null));
//"null is a valid value for a Nullable<int> type");
Assert.Null(exception);
Assert.True(executions == 1); // "the Command should have executed");
}
public void CanExecute(bool expected)
{
bool canExecuteRan = false;
var cmd = new SafeCommand(() => { }, canExecute: () => {
canExecuteRan = true;
return(expected);
});
Assert.Equal(expected, cmd.CanExecute(null));
Assert.True(canExecuteRan);
}
public void ExecuteParameterized()
{
object executed = null;
var cmd = new SafeCommand <object>(executeAction: o => executed = o);
var expected = new object();
cmd.Execute(expected);
Assert.Equal(expected, executed);
}
public void AsyncCommand_ExecuteAsync_StringParameter_Test(string parameter)
{
//Arrange
var dts = new DeterministicTaskScheduler();
ICommand command = new SafeCommand <string>(StringParameterTask, dts, null, null);
//Act
command.Execute(parameter);
dts.RunTasksUntilIdle();
//Assert
}
