redis/extra/redisotel/redisotel_test.go

88 lines
2.5 KiB
Go

package redisotel
import (
"context"
"testing"
semconv "go.opentelemetry.io/otel/semconv/v1.7.0"
"go.opentelemetry.io/otel"
sdktrace "go.opentelemetry.io/otel/sdk/trace"
"go.opentelemetry.io/otel/trace"
"github.com/redis/go-redis/v9"
)
type providerFunc func(name string, opts ...trace.TracerOption) trace.Tracer
func (fn providerFunc) Tracer(name string, opts ...trace.TracerOption) trace.Tracer {
return fn(name, opts...)
}
func TestNewWithTracerProvider(t *testing.T) {
invoked := false
tp := providerFunc(func(name string, opts ...trace.TracerOption) trace.Tracer {
invoked = true
return otel.GetTracerProvider().Tracer(name, opts...)
})
_ = newTracingHook("", WithTracerProvider(tp))
if !invoked {
t.Fatalf("did not call custom TraceProvider")
}
}
func TestNewWithAttributes(t *testing.T) {
provider := sdktrace.NewTracerProvider()
hook := newTracingHook("", WithTracerProvider(provider), WithAttributes(semconv.NetPeerNameKey.String("localhost")))
ctx, span := provider.Tracer("redis-test").Start(context.TODO(), "redis-test")
cmd := redis.NewCmd(ctx, "ping")
defer span.End()
processHook := hook.ProcessHook(func(ctx context.Context, cmd redis.Cmder) error {
attrs := trace.SpanFromContext(ctx).(sdktrace.ReadOnlySpan).Attributes()
if !(attrs[0] == semconv.DBSystemRedis) {
t.Fatalf("expected attrs[0] to be semconv.DBSystemRedis, got: %v", attrs[0])
}
if !(attrs[1] == semconv.NetPeerNameKey.String("localhost")) {
t.Fatalf("expected attrs[1] to be semconv.NetPeerNameKey.String(\"localhost\"), got: %v", attrs[1])
}
if !(attrs[2] == semconv.DBStatementKey.String("ping")) {
t.Fatalf("expected attrs[2] to be semconv.DBStatementKey.String(\"ping\"), got: %v", attrs[2])
}
return nil
})
err := processHook(ctx, cmd)
if err != nil {
t.Fatal(err)
}
}
func TestWithDBStatement(t *testing.T) {
provider := sdktrace.NewTracerProvider()
hook := newTracingHook(
"",
WithTracerProvider(provider),
WithDBStatement(false),
)
ctx, span := provider.Tracer("redis-test").Start(context.TODO(), "redis-test")
cmd := redis.NewCmd(ctx, "ping")
defer span.End()
processHook := hook.ProcessHook(func(ctx context.Context, cmd redis.Cmder) error {
attrs := trace.SpanFromContext(ctx).(sdktrace.ReadOnlySpan).Attributes()
for _, attr := range attrs {
if attr.Key == semconv.DBStatementKey {
t.Fatal("Attribute with db statement should not exist")
}
}
return nil
})
err := processHook(ctx, cmd)
if err != nil {
t.Fatal(err)
}
}