forked from mirror/redis
70 lines
2.0 KiB
Go
70 lines
2.0 KiB
Go
package redisotel_test
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import (
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"context"
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"testing"
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semconv "go.opentelemetry.io/otel/semconv/v1.7.0"
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"git.internal/re/redis/v8"
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"github.com/go-redis/redis/extra/redisotel/v8"
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"go.opentelemetry.io/otel"
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sdktrace "go.opentelemetry.io/otel/sdk/trace"
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"go.opentelemetry.io/otel/trace"
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)
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func TestNew(t *testing.T) {
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// this also functions as a compile-time test that the
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// TracingHook conforms to the Hook interface
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var _ redis.Hook = redisotel.NewTracingHook()
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}
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type providerFunc func(name string, opts ...trace.TracerOption) trace.Tracer
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func (fn providerFunc) Tracer(name string, opts ...trace.TracerOption) trace.Tracer {
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return fn(name, opts...)
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}
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func TestNewWithTracerProvider(t *testing.T) {
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invoked := false
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tp := providerFunc(func(name string, opts ...trace.TracerOption) trace.Tracer {
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invoked = true
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return otel.GetTracerProvider().Tracer(name, opts...)
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})
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_ = redisotel.NewTracingHook(redisotel.WithTracerProvider(tp))
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if !invoked {
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t.Fatalf("did not call custom TraceProvider")
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}
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}
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func TestNewWithAttributes(t *testing.T) {
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provider := sdktrace.NewTracerProvider()
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hook := redisotel.NewTracingHook(redisotel.WithTracerProvider(provider), redisotel.WithAttributes(semconv.NetPeerNameKey.String("localhost")))
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ctx, span := provider.Tracer("redis-test").Start(context.TODO(), "redis-test")
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cmd := redis.NewCmd(ctx, "ping")
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defer span.End()
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ctx, err := hook.BeforeProcess(ctx, cmd)
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if err != nil {
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t.Fatal(err)
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}
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err = hook.AfterProcess(ctx, cmd)
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if err != nil {
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t.Fatal(err)
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}
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attrs := trace.SpanFromContext(ctx).(sdktrace.ReadOnlySpan).Attributes()
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if !(attrs[0] == semconv.DBSystemRedis) {
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t.Fatalf("expected attrs[0] to be semconv.DBSystemRedis, got: %v", attrs[0])
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}
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if !(attrs[1] == semconv.NetPeerNameKey.String("localhost")) {
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t.Fatalf("expected attrs[1] to be semconv.NetPeerNameKey.String(\"localhost\"), got: %v", attrs[1])
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}
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if !(attrs[2] == semconv.DBStatementKey.String("ping")) {
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t.Fatalf("expected attrs[2] to be semconv.DBStatementKey.String(\"ping\"), got: %v", attrs[2])
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}
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}
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