feat(platform): harden telemetry pipeline and unify Semi UI workspaces

go/vehicle-gateway/internal/feichibridge/encoder_test.go

@@ -0,0 +1,93 @@
+package feichibridge
+
+import (
+	"encoding/binary"
+	"fmt"
+	"strings"
+	"testing"
+	"time"
+
+	"lingniu-vehicle-ingest/go/vehicle-gateway/internal/protocol/gb32960"
+)
+
+func TestDataFrameMapsFeichiFields(t *testing.T) {
+	at := time.Date(2026, 7, 17, 14, 5, 6, 0, shanghai)
+	record := Record{
+		"2000": "2026-07-17 14:05:06",
+		"2201": "42.3", "2202": "12345.6", "2203": "D 0 0",
+		"2208": "35", "2209": "0", "2213": "纯电",
+		"2214": "工作", "2301": "未充电状态", "3201": "启动状态",
+		"2613": "550.2", "2614": "-20.5", "2617": "2200", "7615": "78",
+		"2501": "有效定位", "2502": "113.2644", "2503": "23.1291",
+		"2601": "1", "2602": "8", "2603": "3.955",
+		"2604": "1", "2605": "26", "2606": "3.821",
+		"2607": "1", "2608": "3", "2609": "48",
+		"2610": "1", "2611": "9", "2612": "37",
+		"2003": "1:3.900_3.901_3.902",
+		"2103": "1:35_36_37",
+	}
+	frame, err := (Encoder{}).DataFrame(CommandRealtime, "LTEST32960VIN0001", at, record)
+	if err != nil {
+		t.Fatal(err)
+	}
+	env, err := gb32960.ParseFrame(frame, at.UnixMilli(), "test")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if env.MessageID != "0x02" || env.VIN != "LTEST32960VIN0001" {
+		t.Fatalf("unexpected envelope: %#v", env)
+	}
+	if got := env.Fields["speed_kmh"]; got != 42.3 {
+		t.Fatalf("speed = %#v", got)
+	}
+	if got := env.Fields["total_mileage_km"]; got != 12345.6 {
+		t.Fatalf("mileage = %#v", got)
+	}
+	if got := env.Fields["soc_percent"]; got != 78 {
+		t.Fatalf("soc = %#v", got)
+	}
+	if got := env.Fields["longitude"]; got != 113.2644 {
+		t.Fatalf("longitude = %#v", got)
+	}
+}
+
+func TestDataFrameSplitsMoreThan255CellVoltages(t *testing.T) {
+	values := make([]string, 288)
+	for index := range values {
+		values[index] = fmt.Sprintf("%.3f", 3.5+float64(index)/1000)
+	}
+	frame, err := (Encoder{}).DataFrame(CommandReissue, "LTEST32960VIN0002", time.Now(), Record{
+		"2003": "1:" + strings.Join(values, "_"),
+		"2613": "530",
+		"2614": "10",
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+	body := frame[24 : len(frame)-1]
+	if got := strings.Count(string(body), string([]byte{0x08})); got < 2 {
+		t.Fatalf("expected at least two voltage units, got %d", got)
+	}
+	if binary.BigEndian.Uint16(frame[22:24]) != uint16(len(body)) {
+		t.Fatal("body length mismatch")
+	}
+	if _, err := gb32960.ParseFrame(frame, time.Now().UnixMilli(), "test"); err != nil {
+		t.Fatal(err)
+	}
+}
+
+func TestLoginFrameLayout(t *testing.T) {
+	frame, err := LoginFrame("FEICHIBRIDGE00001", "bridge", "secret", 7, time.Date(2026, 7, 17, 1, 2, 3, 0, shanghai))
+	if err != nil {
+		t.Fatal(err)
+	}
+	if frame[2] != CommandLogin || frame[3] != 0xFE {
+		t.Fatalf("unexpected login header: %x", frame[:4])
+	}
+	if got := binary.BigEndian.Uint16(frame[30:32]); got != 7 {
+		t.Fatalf("serial = %d", got)
+	}
+	if got, want := frame[len(frame)-1], bcc(frame[2:len(frame)-1]); got != want {
+		t.Fatalf("BCC = %x, want %x", got, want)
+	}
+}