public void Write_operations_on_ObservableStringWriter_are_observable_and_produce_one_event_per_top_level_write_invocation(
Action <TextWriter> write,
string expectedValue)
{
var writer = new ObservableStringWriter();
using var events = writer.ToSubscribedList();
write(writer);
events.Should()
.ContainSingle()
.Which
.Should()
.Be(expectedValue);
}
public FirmwareVM()
{
//set fields
Log = new ObservableStringWriter();
_uploader = new Uploader();
_uploader.Out = Log;
_uploader.Status += Uploader_Status;
var connection = App.Instance.Connection;
FlashCommand = new RelayCommandAsync(Flash);
SelectFileImageCommand = new RelayCommandAsync(SelectFileImage);
Ports = connection.Ports;
var storage = App.Instance.Storage;
FirmwareModels = (from f in storage.Firmware
group f by f.Model into g
orderby g.Key descending
select new FirmwareModelVM()
{
Model = g.Key,
Images = g.Select(i => new FirmwareImageVM(i)
{
Description = $"{i.Model} v{i.Version} released {i.ReleaseDate.ToShortDateString()}"
}).OrderByDescending(i => i.Firmware.Version).ToArray()
}
).ToArray();
//select the most recent
SelectedFirmwareModel = FirmwareModels.First();
SelectedFirmwareImage = SelectedFirmwareModel.Images.First();
//connect to events
_connectionEvents = new PropertyObserver <ConnectionVM>(connection)
.RegisterHandler(i => i.CurrentArm, CurrentRobotChanged)
.RegisterHandler(i => i.Ports, CurrentRobotChanged);
CurrentRobotChanged(connection);
}
