public async Task NoSubscriptionWithoutConnectTest()
{
var jsevent = new JsEvent(new Mock <IJSRuntime>().Object);
Assert.Throws <InvalidOperationException>(() => jsevent.Paste += x => Console.WriteLine(x));
Assert.Throws <InvalidOperationException>(() => jsevent.CaretPositionChanged += x => Console.WriteLine(x));
Assert.Throws <InvalidOperationException>(() => jsevent.Select += (x, y) => Console.WriteLine());
Assert.Throws <InvalidOperationException>(() => jsevent.Subscribe("copy"));
// unsubscribing before connection is ignored
await jsevent.Unsubscribe("copy");
await jsevent.Disconnect();
await jsevent.UnsubscribeAll();
jsevent.Dispose();
}
public async Task EventSubscriptionTest()
{
var jsevent = new JsEvent(new Mock <IJSRuntime>().Object);
await jsevent.Connect("asdf", new JsEventOptions { });
// second connect is ignored
await jsevent.Connect("asdf", new JsEventOptions { });
// paste
var pasteCount = 0;
string pasteData = null;
var pasteHandler = new Action <string>(x => { pasteCount++; pasteData = x; });
jsevent.Paste += pasteHandler;
jsevent.OnPaste("Muad`Dib");
pasteData.Should().Be("Muad`Dib");
pasteCount.Should().Be(1);
jsevent._subscribedEvents.Should().Contain("paste");
jsevent.Paste -= pasteHandler;
// second remove is ignored
jsevent.Paste -= pasteHandler;
jsevent.OnPaste("Fremen");
pasteData.Should().Be("Muad`Dib");
pasteCount.Should().Be(1);
jsevent._subscribedEvents.Should().BeEmpty();
// caret position changed
var caretPositionChangedCount = 0;
int?caretPositionChangedData = null;
var caretPositionChangedHandler = new Action <int>(x => { caretPositionChangedCount++; caretPositionChangedData = x; });
jsevent.CaretPositionChanged += caretPositionChangedHandler;
jsevent.OnCaretPositionChanged(17);
caretPositionChangedData.Should().Be(17);
caretPositionChangedCount.Should().Be(1);
jsevent._subscribedEvents.Should().Contain("click");
jsevent._subscribedEvents.Should().Contain("keyup");
jsevent.CaretPositionChanged -= caretPositionChangedHandler;
// second remove is ignored
jsevent.CaretPositionChanged -= caretPositionChangedHandler;
jsevent.OnCaretPositionChanged(99);
caretPositionChangedData.Should().Be(17);
caretPositionChangedCount.Should().Be(1);
jsevent._subscribedEvents.Should().BeEmpty();
// select
var selectCount = 0;
(int, int)? selectData = null;
var selectHandler = new Action <int, int>((x, y) => { selectCount++; selectData = (x, y); });
jsevent.Select += selectHandler;
jsevent.OnSelect(77, 78);
selectData.Should().Be((77, 78));
selectCount.Should().Be(1);
jsevent._subscribedEvents.Should().Contain("select");
jsevent.Select -= selectHandler;
// second remove is ignored
jsevent.Select -= selectHandler;
jsevent.OnSelect(99, 100);
selectData.Should().Be((77, 78));
selectCount.Should().Be(1);
jsevent._subscribedEvents.Should().BeEmpty();
// dispose unsubscribes all
jsevent.Select += selectHandler;
jsevent.CaretPositionChanged += caretPositionChangedHandler;
jsevent.Paste += pasteHandler;
jsevent.Dispose();
// second dispose is ignored
jsevent.Dispose();
jsevent._subscribedEvents.Should().BeEmpty();
}