private static void Check(StatsDMessage message, double sampleRate, string expected)
{
Formatter.TryFormat(message, sampleRate, Buffer, out int written).ShouldBe(true);
var result = Encoding.UTF8.GetString(Buffer.AsSpan(0, written));
result.ShouldBe(expected);
}
public static void MessagesLargerThenAvailableBufferShouldNotBeFormatted()
{
var buffer = new byte[128];
var hugeBucket = new string('x', 256);
var message = StatsDMessage.Gauge(128.5, hugeBucket);
Formatter.TryFormat(message, 1.0, buffer, out int written).ShouldBe(false);
written.ShouldBe(0);
}
public static void CounterRegularWithTags()
{
var tags = new Dictionary <string, string>
{
["foo"] = "bar",
["another"] = "tag"
};
var message = StatsDMessage.Counter(128, "bucket", tags);
Check(message, "prefix.bucket;foo=bar;another=tag:128|c");
}
public static void GaugeIncrementWithTags()
{
var tags = new Dictionary <string, string>
{
["foo"] = "bar",
["another"] = "tag"
};
var message = StatsDMessage.Gauge(128, "bucket", tags, Operation.Increment);
Check(message, "prefix.bucket;foo=bar;another=tag:+128|g");
}
public static void GetMaxBufferSizeCalculatesValidBufferSizes(int bucketSize, char ch)
{
var hugeBucket = new string(ch, bucketSize);
var message = StatsDMessage.Gauge(128.5, hugeBucket);
var expected = $"prefix.{hugeBucket}:128.5|g";
var buffer = new byte[Formatter.GetMaxBufferSize(message)];
Formatter.TryFormat(message, 1.0, buffer, out int written).ShouldBe(true);
var actual = Encoding.UTF8.GetString(buffer.AsSpan(0, written));
actual.ShouldBe(expected);
}
public void BufferBased()
{
Dictionary <string, string> tags = new Dictionary <string, string>();
tags.Add("key", " value");
tags.Add("key2", " value2");
FormatterBuffer.TryFormat(StatsDMessage.Gauge(255, "some.neat.bucket", null), 1, Buffer, out _);
FormatterBuffer.TryFormat(StatsDMessage.Timing(255, "some.neat.bucket", null), 1, Buffer, out _);
FormatterBuffer.TryFormat(StatsDMessage.Counter(255, "some.neat.bucket", null), 1, Buffer, out _);
FormatterBuffer.TryFormat(StatsDMessage.Gauge(255, "some.neat.bucket", tags), 1, Buffer, out _);
FormatterBuffer.TryFormat(StatsDMessage.Timing(255, "some.neat.bucket", tags), 1, Buffer, out _);
FormatterBuffer.TryFormat(StatsDMessage.Counter(255, "some.neat.bucket", tags), 1, Buffer, out _);
}
public void BufferBased()
{
FormatterBuffer.TryFormat(StatsDMessage.Gauge(255, "some.neat.bucket"), 1, Buffer, out _);
FormatterBuffer.TryFormat(StatsDMessage.Timing(255, "some.neat.bucket"), 1, Buffer, out _);
FormatterBuffer.TryFormat(StatsDMessage.Counter(255, "some.neat.bucket"), 1, Buffer, out _);
}
public static void GaugeFloat()
{
var message = StatsDMessage.Gauge(128.5, "bucket");
Check(message, "prefix.bucket:128.5|g");
}
public static void GaugeIntegral()
{
var message = StatsDMessage.Gauge(128, "bucket");
Check(message, "prefix.bucket:128|g");
}
public static void TimingSampled()
{
var message = StatsDMessage.Timing(128, "bucket");
Check(message, 0.5, "prefix.bucket:128|ms|@0.5");
}
public static void Timing()
{
var message = StatsDMessage.Timing(128, "bucket");
Check(message, "prefix.bucket:128|ms");
}
public static void CounterNegative()
{
var message = StatsDMessage.Counter(-128, "bucket");
Check(message, "prefix.bucket:-128|c");
}
public static void CounterRegular()
{
var message = StatsDMessage.Counter(128, "bucket");
Check(message, "prefix.bucket:128|c");
}
public static void CounterSampled()
{
var message = StatsDMessage.Counter(128, "bucket");
Check(message, 0.5, "prefix.bucket:128|c|@0.5");
}
private static void Check(StatsDMessage message, string expected)
{
Check(message, 1, expected);
}
public static void GaugeIncrement()
{
var message = StatsDMessage.Gauge(128, "bucket", null, Operation.Increment);
Check(message, "prefix.bucket:+128|g");
}