public void GetFileNameReflectsTheFileName(FlushTrigger flushTrigger)
{
string filename = $"{Guid.NewGuid()}.log";
string logsDirectoryPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "tests", $"logs-{Guid.NewGuid()}");
var listener = new LocalTextFileListener(logsDirectoryPath, flushTrigger)
{
GetFileName = () => filename
};
FlushLogArgs flushLogArgs = CommonTestHelpers.Factory.CreateFlushLogArgs();
listener.OnFlush(flushLogArgs);
try
{
Assert.IsTrue(File.Exists(Path.Combine(logsDirectoryPath, filename)));
}
finally
{
if (Directory.Exists(logsDirectoryPath))
{
Directory.Delete(logsDirectoryPath, true);
}
}
}
public LocalTextFileListener(
string logsDirectoryPath,
FlushTrigger flushTrigger,
ITextFormatter textFormatter)
{
if (textFormatter == null)
{
throw new ArgumentNullException(nameof(textFormatter));
}
_logsDirectoryPath = NormalizeLogsDirectoryPath(logsDirectoryPath);
if (flushTrigger == FlushTrigger.OnMessage)
{
_textListener = new MessageTextFileListener(this, textFormatter);
}
else
{
_textListener = new FlushTextFileListener(this, textFormatter);
}
}
private void FlushImpl(FlushTrigger trigger)
{
try {
// protect against multiple parallel calls to flush
lock (_flushLock) {
while (_queue.Count > 0)
{
//do not flush less than batch size, if it is triggered by size; it can happen
// if we have multiple batches in this loop, and at the end a few items left in the queue
if (_queue.Count < _batchSize && trigger == FlushTrigger.Count)
{
return;
}
var batch = _queue.DequeueMany(_batchSize);
Broadcast(batch);
}
} //lock
} finally {
_flushedSinceLastTimer = true; // timer handler will overwrite it
_flushing = false;
}
} //method
public void NullTextFormatterThrowsException(FlushTrigger flushTrigger)
{
var listener = new LocalTextFileListener("logs", flushTrigger, null);
}
public LocalTextFileListener(
string logsDirectoryPath,
FlushTrigger flushTrigger) : this(logsDirectoryPath, flushTrigger, new TextFormatter())
{
}
