public void Test_DiagramAdded()
{
// Arrange.
DiagramFileAddedEventArgs args = null;
EventHandler <DiagramFileAddedEventArgs> addHandler = (o, e) => args = e;
diagramIO.DiagramFileAdded += addHandler;
// Act.
monitor.Raise(m => m.Created += null,
new FileSystemEventArgs(WatcherChangeTypes.Created, currentDirectory.FullName, "class.puml"));
// Assert.
Assert.NotNull(args);
Assert.Equal(Path.Combine(currentDirectory.FullName, "class.puml"), args.NewDiagramFile.FullName);
}
void diagramIO_DiagramFileAdded(object sender, DiagramFileAddedEventArgs e)
{
Task.Factory.StartNew(async() =>
{
// Make sure a preview doesn't already exist for the file and make sure the current directory still matches.
bool previewExists = PreviewDiagrams.Select(pd => pd.Diagram.File).Contains(e.NewDiagramFile, FileComparer);
if (!previewExists && e.NewDiagramFile.Directory?.FullName.Trim('\\') == DiagramLocation.FullName.Trim('\\'))
{
var newlyAddedDiagram = await _diagramIO.ReadAsync(e.NewDiagramFile);
if (newlyAddedDiagram != null)
{
PreviewDiagrams.Add(_previewDiagramFactory(newlyAddedDiagram));
}
}
}, CancellationToken.None, TaskCreationOptions.None, _uiScheduler);
}