public void Test_ReadDiagramsAsync_Cancelled()
{
// Arrange.
var progress = new Mock <IProgress <ReadDiagramsProgress> >();
progress.Setup(p => p.Report(It.IsAny <ReadDiagramsProgress>()));
var tcs = new CancellationTokenSource();
tcs.Cancel();
// Act.
var readTask = diagramIO.ReadDiagramsAsync(currentDirectory, progress.Object, tcs.Token);
// Assert.
AssertThat.Throws <TaskCanceledException>(() => readTask);
Assert.True(readTask.IsCanceled);
}
public void AppendToCollection_CalledAfterTheFirstItemIsRequested_ThrowsExpectedException()
{
// Arrange
var container = ContainerFactory.New();
var registration1 = Lifestyle.Transient.CreateRegistration <IPlugin, PluginImpl>(container);
var registration2 = Lifestyle.Transient.CreateRegistration <IPlugin, PluginImpl2>(container);
container.AppendToCollection(typeof(IPlugin), registration1);
var instances = container.GetAllInstances <IPlugin>().ToArray();
// Act
Action action = () => container.AppendToCollection(typeof(IPlugin), registration2);
// Assert
AssertThat.Throws <InvalidOperationException>(action);
}
public void Test_ImageFormat_Change_CancelsOtherRefreshTasks()
{
// Arrange.
diagram.File = new FileInfo("TestFile.puml");
diagram.ImageFile = new FileInfo("image.png");
bool killSwitch = false;
var tasks = new List <Task>(2);
compiler.Setup(c => c.CompileToImageAsync(It.IsAny <string>(), It.IsAny <ImageFormat>(), It.IsAny <CancellationToken>()))
.Returns((string content, ImageFormat format, CancellationToken token) =>
{
var task = Task.Run(() =>
{
while (!killSwitch)
{
token.ThrowIfCancellationRequested();
Thread.Sleep(100);
}
return((ImageSource)null);
}, token);
tasks.Add(task);
return(task);
});
editor = CreateEditor();
editor.RefreshAsync();
// Act.
editor.ImageFormat = ImageFormat.SVG;
// Assert.
Assert.Equal(2, tasks.Count);
AssertThat.Throws <OperationCanceledException>(() => tasks[0]);
Assert.Equal(TaskStatus.Canceled, tasks[0].Status);
killSwitch = true;
AssertThat.DoesNotThrow(() => tasks[1]);
Assert.Equal(TaskStatus.RanToCompletion, tasks[1].Status);
}
