public async Task EventWriterReportsOnDispose()
{
var progress = new AwaitableProgress <EventWrittenProgressReport>();
var stdout = new StringWriter();
var stderr = new StringWriter();
EventWriter eventWriter = new EventWriter(
stdout: stdout,
stderr: stderr,
progress: progress
);
Task <EventWrittenProgressReport> t = progress.AwaitProgressAsync();
#pragma warning disable 4014
//// Because this call is not awaited, execution of the current
//// method continues before the call is completed. Consider
//// applying the 'await' operator to the result of the call.
eventWriter.CompleteAsync();
#pragma warning restore 4014
EventWrittenProgressReport r = await t;
Assert.Equal(new Event(), r.WrittenEvent);
Assert.Equal("", stderr.ToString());
Assert.Equal("", stdout.ToString());
}
public async Task AwaitProgressWorks()
{
AwaitableProgress <bool> progress = new AwaitableProgress <bool>();
Task <bool> triggered = progress.AwaitProgressAsync();
progress.Report(true);
Assert.Equal(true, await triggered);
}
public async Task EventWriterReportsOnWrite()
{
var progress = new AwaitableProgress <EventWrittenProgressReport>();
var stdout = new StringWriter();
var stderr = new StringWriter();
EventWriter eventWriter = new EventWriter(
stdout: stdout,
stderr: stderr,
progress: progress
);
try
{
var writtenTask = progress.AwaitProgressAsync();
await eventWriter.QueueEventForWriting(new Event
{
Time = DateTime.FromFileTime(0),
Data = "Boris the mad baboon"
});
var report = await writtenTask;
Assert.Equal("Boris the mad baboon", report.WrittenEvent.Data);
Assert.True(stdout.ToString().Trim().Contains("<data>Boris the mad baboon</data>"));
Assert.True(stdout.ToString().Trim().Contains("<time>-11644502400</time>"));
Assert.Equal("", stderr.ToString());
var completedTask = progress.AwaitProgressAsync();
await eventWriter.CompleteAsync();
report = await completedTask;
Assert.Equal("", stderr.ToString());
Assert.True(stdout.ToString().Trim().EndsWith("</stream>"));
}
finally
{
// EventWriter.CompleteAsync() is idempotent, so there is no problem if this is invoked twice.
eventWriter.CompleteAsync().Wait();
}
}