Files
lingniu-vehicle-ingest/go/vehicle-gateway/internal/eventbus/nats_sink_test.go
2026-07-02 15:07:44 +08:00

56 lines
1.7 KiB
Go

package eventbus
import (
"context"
"encoding/json"
"testing"
"lingniu-vehicle-ingest/go/vehicle-gateway/internal/envelope"
)
func TestNATSSinkRoutesRawAndUnifiedSubjects(t *testing.T) {
publisher := &recordingNATSPublisher{}
sink := newNATSSinkWithPublisher(publisher, NATSConfig{
RawSubjects: map[envelope.Protocol]string{
envelope.ProtocolJT808: "vehicle.raw.jt808.v1",
},
UnifiedSubject: "vehicle.event.unified.v1",
})
env := envelope.FrameEnvelope{Protocol: envelope.ProtocolJT808, Phone: "13307795425", MessageID: "0x0200"}
if err := sink.PublishRaw(context.Background(), env); err != nil {
t.Fatalf("PublishRaw() error = %v", err)
}
if err := sink.PublishUnified(context.Background(), env); err != nil {
t.Fatalf("PublishUnified() error = %v", err)
}
if got, want := publisher.messages[0].subject, "vehicle.raw.jt808.v1"; got != want {
t.Fatalf("raw subject = %q, want %q", got, want)
}
if got, want := publisher.messages[1].subject, "vehicle.event.unified.v1"; got != want {
t.Fatalf("unified subject = %q, want %q", got, want)
}
var decoded envelope.FrameEnvelope
if err := json.Unmarshal(publisher.messages[0].data, &decoded); err != nil {
t.Fatalf("raw payload is not envelope json: %v", err)
}
if decoded.Phone != "13307795425" {
t.Fatalf("decoded phone = %q", decoded.Phone)
}
}
type recordingNATSPublisher struct {
messages []recordedNATSMessage
}
type recordedNATSMessage struct {
subject string
data []byte
}
func (p *recordingNATSPublisher) Publish(_ context.Context, subject string, data []byte, _ ...NATSPublishOption) error {
p.messages = append(p.messages, recordedNATSMessage{subject: subject, data: append([]byte(nil), data...)})
return nil
}