public void send_unsplittable_oversized_udp_packets_are_not_split_or_sent_and_no_exception_is_raised()
{
// This message will be one byte longer than the theoretical limit of a UDP packet
var msg = new string('f', 65508);
listenThread.Start();
var batch = statsd.CreateBatch();
batch.Add <Statsd.Counting>(msg.AsSpan(), 1);
batch.Send();
// It shouldn't be split or sent, and no exceptions should be raised.
AssertWasReceived(null);
}
public void add_one_counter_and_send_one_timer_sends_only_sends_the_last()
{
var s = new Statsd(_udp, _randomGenerator, _stopwatch);
var b = s.CreateBatch();
b.Add <Statsd.Counting>("counter", 1);
s.Send <Statsd.Timing>("timer", 1);
_udp.Received().SendAsync("timer:1|ms");
}
public void time_add()
{
var statsd = new Statsd(new StatsdUDPClient(_localhostAddress, _randomUnusedLocalPort));
var batch = statsd.CreateBatch();
batch.Add(() => Thread.Sleep(MultiSecondSleepDelay), "time".AsSpan());
batch.Send();
Assert.That(LastPacketMessageReceived(), Does.Match(_expectedMultiSecondTimeRegEx));
}
public void add_counter_sets_prefix_on_name()
{
var s = new Statsd(_udp, _randomGenerator, _stopwatch, "another.prefix.".AsMemory());
var b = s.CreateBatch();
b.Add <Statsd.Counting>("counter", 1, 0.1);
b.Add <Statsd.Timing>("timer", 1);
b.Send();
_udp.Received().SendAsync("another.prefix.counter:1|c|@0.1\nanother.prefix.timer:1|ms");
}
public void add_one_counter_and_one_timer_sends_and_removes_commands()
{
var s = new Statsd(_udp, _randomGenerator, _stopwatch);
var b = s.CreateBatch();
b.Add <Statsd.Counting>("counter", 1, 0.1);
b.Add <Statsd.Timing>("timer", 1);
b.Send();
Assert.That(b.Commands.Count, Is.EqualTo(0));
}
public void add_one_counter_and_one_timer_sends_in_one_go()
{
var s = new Statsd(_udp, _randomGenerator, _stopwatch);
var b = s.CreateBatch();
b.Add <Statsd.Counting>("counter", 1, 0.1);
b.Add <Statsd.Timing>("timer", 1);
b.Send();
_udp.Received().SendAsync("counter:1|c|@0.1\ntimer:1|ms");
}
public void add_one_counter_and_one_gauge_with_no_sample_rate_shows_in_commands()
{
var s = new Statsd(_udp, _randomGenerator, _stopwatch);
var batch = s.CreateBatch();
batch.Add <Statsd.Counting>("counter", 1);
batch.Add <Statsd.Timing>("timer", 1);
Assert.That(batch.Commands.Count, Is.EqualTo(2));
Assert.That(batch.Commands[0].ToString(), Is.EqualTo("counter:1|c"));
Assert.That(batch.Commands[1].ToString(), Is.EqualTo("timer:1|ms"));
}
public void add_timer_with_lamba()
{
const string statName = "name";
var stopwatch = Substitute.For <IStopwatch>();
stopwatch.ElapsedMilliseconds.Returns(500);
_stopwatch.Get().Returns(stopwatch);
var statsd = new Statsd(_udp, _randomGenerator, _stopwatch);
var batch = statsd.CreateBatch();
batch.Add(() => TestMethod(), statName);
Assert.That(batch.Commands.Single().ToString(), Is.EqualTo("name:500|ms"));
}
public void add_timer_with_lamba_still_records_on_error_and_still_bubbles_up_exception()
{
const string statName = "name";
var stopwatch = Substitute.For <IStopwatch>();
stopwatch.ElapsedMilliseconds.Returns(500);
_stopwatch.Get().Returns(stopwatch);
var s = new Statsd(_udp, _randomGenerator, _stopwatch);
var batch = s.CreateBatch();
Assert.Throws <InvalidOperationException>(() => batch.Add(() => { throw new InvalidOperationException(); }, statName));
Assert.That(batch.Commands.Count, Is.EqualTo(1));
Assert.That(batch.Commands[0].ToString(), Is.EqualTo("name:500|ms"));
}
public void set_max_udp_packet_size()
{
// Make sure that we can set the max UDP packet size
udp = new StatsdUDPClient(serverName, serverPort, 10);
statsd = new Statsd(udp);
var msg = new string('f', 5);
listenThread.Start(2);
var batch = statsd.CreateBatch();
batch.Add <Statsd.Counting>(msg.AsSpan(), 1);
batch.Add <Statsd.Timing>(msg.AsSpan(), 2);
batch.Send();
// Since our packet size limit is now 10, this (short) message should still be split
AssertWasReceived($"{msg}:1|c", 0);
AssertWasReceived($"{msg}:2|ms", 1);
}
public void add_timer_with_lamba_and_sampleRate_fails()
{
const string statName = "name";
var stopwatch = Substitute.For <IStopwatch>();
stopwatch.ElapsedMilliseconds.Returns(500);
_stopwatch.Get().Returns(stopwatch);
_randomGenerator = Substitute.For <IRandomGenerator>();
_randomGenerator.ShouldSend(0).ReturnsForAnyArgs(false);
var s = new Statsd(_udp, _randomGenerator, _stopwatch);
var batch = s.CreateBatch();
batch.Add(() => TestMethod(), statName, 0.1);
Assert.That(batch.Commands.Count, Is.EqualTo(0));
}