public async Task CompositeProgress()
{
var display = new TestableProgressDisplay();
_registry.Register<IProgressDisplay>(display);
using (var p = _progressService.CreateCompositeProgress("CompositeProgress"))
{
AssertStarted(display, "CompositeProgress");
AssertCompleted(display);
AssertProgressIs(display, "CompositeProgress", 0, false);
p.Title = "Hello";
p.Description = "World";
var subTasks = new List<Task<int>>();
subTasks.Add(DoSomething(p, 1));
subTasks.Add(DoSomething(p, 2));
subTasks.Add(DoSomething(p, 3));
foreach (var subTask in subTasks)
{
var result = await subTask;
AssertProgressIs(display, "CompositeProgress", result, true);
}
}
AssertStarted(display, "CompositeProgress");
AssertProgressIs(display, "CompositeProgress", 3, false);
AssertCompleted(display, "CompositeProgress");
}
public async Task SimpleProgress()
{
var display = new TestableProgressDisplay();
_registry.Register<IProgressDisplay>(display);
using (var p = _progressService.CreateProgress("SimpleProgress"))
{
AssertStarted(display, "SimpleProgress");
AssertCompleted(display);
p.Title = "Hello";
p.Description = "World";
await DoSomething();
}
AssertStarted(display, "SimpleProgress");
AssertCompleted(display, "SimpleProgress");
}
private static void AssertCompleted(TestableProgressDisplay display, params string[] keys)
{
Assert.AreEqual(keys.Length, display.CompletedKeys.Count);
for (int i = 0; i < keys.Length; i++)
{
Assert.AreEqual(keys[i], display.CompletedKeys[i]);
}
}
private static void AssertProgressIs(TestableProgressDisplay display, string key, int expected, bool orHigher)
{
var change =
display.Changes.ToArray().Where(c => c.Key == key).OrderBy(c => c.Current.GetValueOrDefault()).LastOrDefault();
if (ReferenceEquals(change, null))
{
if (expected == 0)
{
return;
}
Assert.Fail();
}
var value = change.Current.GetValueOrDefault();
if (orHigher)
{
Assert.IsTrue(value >= expected);
}
else
{
Assert.AreEqual(expected, value);
}
}
