public void ToJaegerSpan()
{
var parentSpanContext = Mock.Of <ISpanContext>(c => c.SpanId == SpanIdGenerator.ThreadInstance.CreateNew());
var span = SpanFactory.CreateSpan(parentSpanContext);
JaegerSpan jaegerSpan = span.ToJaegerSpan();
Assert.Equal("TestOperation", jaegerSpan.OperationName);
Assert.Equal(span.TraceId.Higher, jaegerSpan.TraceIdHigh);
Assert.Equal(span.TraceId.Lower, jaegerSpan.TraceIdLow);
Assert.Equal((long)span.SpanId, jaegerSpan.SpanId);
Assert.Equal((long)span.Context.ParentId, jaegerSpan.ParentSpanId);
Assert.Equal(0x1, jaegerSpan.Flags);
Assert.Equal(span.StartTime.UtcDateTime.ToEpochMicroseconds(), jaegerSpan.StartTime);
Assert.Equal((long)(span.Duration.TotalMilliseconds * 1000), jaegerSpan.Duration);
var tags = jaegerSpan.Tags.ToArray();
Assert.Equal(4, tags.Length);
Assert.All(tags, t => Assert.Equal(JaegerTagType.STRING, t.VType));
Assert.Single(tags, t => t.Key == "k0" && t.VStr == "v0");
Assert.Single(tags, t => t.Key == "k1" && t.VStr == "v1");
Assert.Single(tags, t => t.Key == Tags.Env && t.VStr == "Test");
Assert.Single(tags, t => t.Key == Tags.Version && t.VStr == "v1.0");
}
public void JaegerTraceExporter_SpansSplitToBatches_SpansIncludedInBatches(string protocolType, int maxPayloadSizeInBytes)
{
TProtocolFactory protocolFactory = protocolType == "Compact"
? new TCompactProtocol.Factory()
: new TBinaryProtocol.Factory();
var client = new TestJaegerClient();
// Arrange
using var jaegerExporter = new JaegerExporter(
new JaegerExporterOptions { MaxPayloadSizeInBytes = maxPayloadSizeInBytes },
protocolFactory,
client);
jaegerExporter.SetResourceAndInitializeBatch(Resource.Empty);
// Create six spans, each taking more space than the previous one
var spans = new JaegerSpan[6];
for (int i = 0; i < 6; i++)
{
spans[i] = CreateTestJaegerSpan(
additionalAttributes: new Dictionary <string, object>
{
["foo"] = new string('_', 10 * i),
});
}
var protocol = protocolFactory.GetProtocol();
var serializedSpans = spans.Select(s =>
{
s.Write(protocol);
var data = protocol.WrittenData.ToArray();
protocol.Clear();
return(data);
}).ToArray();
// Act
var sentBatches = new List <byte[]>();
foreach (var span in spans)
{
jaegerExporter.AppendSpan(span);
var sentBatch = client.LastWrittenData;
if (sentBatch != null)
{
sentBatches.Add(sentBatch);
client.LastWrittenData = null;
}
}
// Assert
// Appending the six spans will send two batches with the first four spans
Assert.Equal(2, sentBatches.Count);
Assert.True(
ContainsSequence(sentBatches[0], serializedSpans[0]),
"Expected span data not found in sent batch");
Assert.True(
ContainsSequence(sentBatches[0], serializedSpans[1]),
"Expected span data not found in sent batch");
Assert.True(
ContainsSequence(sentBatches[1], serializedSpans[2]),
"Expected span data not found in sent batch");
Assert.True(
ContainsSequence(sentBatches[1], serializedSpans[3]),
"Expected span data not found in sent batch");
// jaegerExporter.Batch should contain the two remaining spans
Assert.Equal(2U, jaegerExporter.NumberOfSpansInCurrentBatch);
jaegerExporter.SendCurrentBatch();
Assert.True(client.LastWrittenData != null);
var serializedBatch = client.LastWrittenData;
Assert.True(
ContainsSequence(serializedBatch, serializedSpans[4]),
"Expected span data not found in unsent batch");
Assert.True(
ContainsSequence(serializedBatch, serializedSpans[5]),
"Expected span data not found in unsent batch");
}
public void JaegerTraceExporter_SpansSplitToBatches_SpansIncludedInBatches()
{
// Arrange
var memoryTransport = new InMemoryTransport();
using var jaegerExporter = new JaegerExporter(
new JaegerExporterOptions { MaxPayloadSizeInBytes = 1500 }, memoryTransport);
jaegerExporter.SetResourceAndInitializeBatch(Resource.Empty);
var tempTransport = new InMemoryTransport(initialCapacity: 3000);
var protocol = new TCompactProtocol(tempTransport);
// Create six spans, each taking more space than the previous one
var spans = new JaegerSpan[6];
for (int i = 0; i < 6; i++)
{
spans[i] = CreateTestJaegerSpan(
additionalAttributes: new Dictionary<string, object>
{
["foo"] = new string('_', 10 * i),
});
}
var serializedSpans = spans.Select(s =>
{
s.Write(protocol);
return tempTransport.ToArray();
}).ToArray();
// Act
var sentBatches = new List<byte[]>();
foreach (var span in spans)
{
jaegerExporter.AppendSpan(span);
var sentBatch = memoryTransport.ToArray();
if (sentBatch.Length > 0)
{
sentBatches.Add(sentBatch);
}
}
// Assert
// Appending the six spans will send two batches with the first four spans
Assert.Equal(2, sentBatches.Count);
Assert.True(
ContainsSequence(sentBatches[0], serializedSpans[0]),
"Expected span data not found in sent batch");
Assert.True(
ContainsSequence(sentBatches[0], serializedSpans[1]),
"Expected span data not found in sent batch");
Assert.True(
ContainsSequence(sentBatches[1], serializedSpans[2]),
"Expected span data not found in sent batch");
Assert.True(
ContainsSequence(sentBatches[1], serializedSpans[3]),
"Expected span data not found in sent batch");
// jaegerExporter.Batch should contain the two remaining spans
Assert.Equal(2, jaegerExporter.Batch.Count);
jaegerExporter.Batch.Write(protocol);
var serializedBatch = tempTransport.ToArray();
Assert.True(
ContainsSequence(serializedBatch, serializedSpans[4]),
"Expected span data not found in unsent batch");
Assert.True(
ContainsSequence(serializedBatch, serializedSpans[5]),
"Expected span data not found in unsent batch");
}
