mirror of https://github.com/go-redis/redis.git
81 lines
1.8 KiB
Go
81 lines
1.8 KiB
Go
package redisotel
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import (
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"context"
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"strings"
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"testing"
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semconv "go.opentelemetry.io/otel/semconv/v1.7.0"
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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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"github.com/redis/go-redis/v9"
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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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_ = newTracingHook("", 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 TestWithDBStatement(t *testing.T) {
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provider := sdktrace.NewTracerProvider()
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hook := newTracingHook(
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"",
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WithTracerProvider(provider),
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WithDBStatement(false),
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)
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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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processHook := hook.ProcessHook(func(ctx context.Context, cmd redis.Cmder) error {
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attrs := trace.SpanFromContext(ctx).(sdktrace.ReadOnlySpan).Attributes()
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for _, attr := range attrs {
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if attr.Key == semconv.DBStatementKey {
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t.Fatal("Attribute with db statement should not exist")
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}
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}
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return nil
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})
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err := processHook(ctx, cmd)
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if err != nil {
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t.Fatal(err)
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}
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}
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func TestMaxString(t *testing.T) {
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src := strings.Repeat("a", 100)
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dst := maxString(src, 50)
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if dst != src[:50] {
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t.Fatal("failed to maxstring")
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}
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dst = maxString(src, 200)
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if dst != src {
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t.Fatal("failed to maxstring")
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}
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dst = maxString(src, 0)
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if dst != src {
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t.Fatal("failed to maxstring")
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}
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}
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