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Update tracing_test.go

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sashass1315 2026-02-03 14:46:30 +02:00 committed by GitHub
parent 5f17eea09c
commit 111b97bbb2
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1 changed files with 10 additions and 5 deletions
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15
rpc/tracing_test.go
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@ -19,6 +19,7 @@ package rpc
import (
"context"
"net/http/httptest"
"strings"
"testing"
"go.opentelemetry.io/otel"
@ -196,8 +197,8 @@ func TestTracingBatchHTTP(t *testing.T) {
}
// TestTracingSubscribeUnsubscribe verifies that subscribe and unsubscribe calls
// do not emit any spans.
// Note: This works because client.newClientConn() passes nil as the tracer provider.
// do not emit RPC server spans (like "jsonrpc.service/method").
// Note: handleSubscribe does not create the main RPC span, only internal encoding spans.
func TestTracingSubscribeUnsubscribe(t *testing.T) {
t.Parallel()
server, tracer, exporter := newTracingServer(t)
@ -213,12 +214,16 @@ func TestTracingSubscribeUnsubscribe(t *testing.T) {
// Unsubscribe.
sub.Unsubscribe()
// Flush and check that no spans were emitted.
// Flush and check that no RPC server spans were emitted.
// Internal spans like "rpc.encodeJSONResponse" are allowed.
if err := tracer.ForceFlush(context.Background()); err != nil {
t.Fatalf("failed to flush: %v", err)
}
spans := exporter.GetSpans()
if len(spans) != 0 {
t.Errorf("expected no spans for subscribe/unsubscribe, got %d", len(spans))
for _, span := range spans {
// RPC server spans have names like "jsonrpc.service/method"
if strings.HasPrefix(span.Name, "jsonrpc.") {
t.Errorf("unexpected RPC server span for subscribe/unsubscribe: %s", span.Name)
}
}
}