private void PrinterControllerService_ReceivedData(
object sender,
PrinterControllerReceivedDataEventArgs e)
{
TerminalListBox.Dispatcher.Invoke(() =>
{
Packets.Add(e.Packet);
if (VisualTreeHelper.GetChildrenCount(TerminalListBox) > 0)
{
Border border = (Border)VisualTreeHelper.GetChild(TerminalListBox, 0);
ScrollViewer scrollViewer = (ScrollViewer)VisualTreeHelper.GetChild(border, 0);
scrollViewer.ScrollToBottom();
}
});
}
public void GivenPrinterControllerReceivedDataEventArgs_WhenEventHandled_ThenPacketAddedToList()
{
// Arrange
var mockPrintersConfigurationView = new Mock <IPrintersConfigurationView>();
var sut = new MainWindowViewModel(
_mockServiceProvider.Object,
_mockPrinterConfigurationManagerService.Object,
_mockPrinterControllerSevice.Object,
null,
null)
{
SelectedPrinter = new PrinterConfigurationModel()
};
sut.TerminalListBox = new System.Windows.Controls.ListBox();
var packets = new PrinterControllerReceivedDataEventArgs[]
{
new PrinterControllerReceivedDataEventArgs()
{
Packet = new PrinterPacket()
},
new PrinterControllerReceivedDataEventArgs()
{
Packet = new PrinterPacket()
},
new PrinterControllerReceivedDataEventArgs()
{
Packet = new PrinterPacket()
}
};
// Act
foreach (var curPacket in packets)
{
_mockPrinterControllerSevice.Raise(
x => x.ReceivedData += null,
curPacket);
}
// Assert
Equals(3, sut.Packets.Count);
}
