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feat: write protocol acknowledgements from go gateway

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lingniu
2026-07-02 00:54:31 +08:00
parent 055373c405
commit 6d1d0aa85e
7 changed files with 376 additions and 2 deletions
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32
go/vehicle-gateway/internal/protocol/gb32960/parser_test.go
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@@ -90,6 +90,38 @@ func TestExtractFramesSupportsExtendedPlatformLogin(t *testing.T) {
}
}
func TestAutoResponseEchoesRawVINAndOriginalTime(t *testing.T) {
body := []byte{0x1a, 0x07, 0x02, 0x00, 0x26, 0x0f, 0x00, 0x01}
body = append(body, fixedASCII("Hyundai", 12)...)
body = append(body, fixedASCII("ack-test-password", 32)...)
body = append(body, 0x01)
request := buildFrameWithDeclaredLength(0x05, 0xfe, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", body, 41)
env, err := ParseFrame(request, 1782914969584, "8.134.95.166:39376")
if err != nil {
t.Fatal(err)
}
response, ok, err := AutoResponse(request, env)
if err != nil {
t.Fatalf("AutoResponse() error = %v", err)
}
if !ok {
t.Fatal("expected response")
}
if response[2] != 0x05 || response[3] != 0x01 {
t.Fatalf("unexpected response header: %x", response[:4])
}
if hex.EncodeToString(response[4:21]) != "0000000000000000000000000000000000" {
t.Fatalf("raw vin not echoed: %x", response[4:21])
}
if hex.EncodeToString(response[24:30]) != "1a070200260f" {
t.Fatalf("timestamp body not preserved: %x", response[24:30])
}
if got, want := bcc(response[2:len(response)-1]), response[len(response)-1]; got != want {
t.Fatalf("response bcc got=0x%02x want=0x%02x", got, want)
}
}
func TestParseFrameExtractsRealtimeVehicleMileageAndPosition(t *testing.T) {
body := []byte{0x1a, 0x06, 0x1e, 0x16, 0x17, 0x39}
body = append(body, 0x01)