public void SelectedItemDefaultsToZero()
{
var devices = Substitute.For <AudioOutput.IAudioDevices>();
var device = Substitute.For <AudioOutput.IPlaybackDevice>();
var vm = new AudioSetupViewModel(devices, device);
vm.SelectedItem.ShouldEqual(0);
}
public void CanReadItems()
{
var devices = Substitute.For <AudioOutput.IAudioDevices>();
var device = Substitute.For <AudioOutput.IPlaybackDevice>();
devices.DeviceNames.Returns(new[] { "Device1", "Device2", "Device3" });
var vm = new AudioSetupViewModel(devices, device);
vm.DeviceNames.ShouldEqual(new[] { "Device1", "Device2", "Device3" });
}
public void IsEnabledWhenNotPlaying()
{
var device = Substitute.For <AudioOutput.IPlaybackDevice>();
var subject = new Subject <AudioOutput.PlayState>();
device.PlayState.Returns(subject);
var vm = new AudioSetupViewModel(null, device);
subject.OnNext(AudioOutput.PlayState.Stopped);
vm.IsEnabled.ShouldBeTrue();
}
public void CanSelectItem()
{
var devices = Substitute.For <AudioOutput.IAudioDevices>();
var device = Substitute.For <AudioOutput.IPlaybackDevice>();
var vm = new AudioSetupViewModel(devices, device)
{
SelectedItem = 3
};
vm.SelectedItem.ShouldEqual(3);
}
public void SelectingItemFirePropertyChanged()
{
var devices = Substitute.For <AudioOutput.IAudioDevices>();
var device = Substitute.For <AudioOutput.IPlaybackDevice>();
var vm = new AudioSetupViewModel(devices, device);
var propertyName = string.Empty;
vm.PropertyChanged += (_, e) => propertyName = e.PropertyName;
vm.SelectedItem = 2;
propertyName.ShouldEqual("SelectedItem");
}
public AudioSetup()
{
InitializeComponent();
DataContext = new AudioSetupViewModel(App.AudioOutput, App.AudioOutput);
}
