Files
2026-08-09 05:33:21 +08:00

266 lines
7.5 KiB
Go

package device
import (
"errors"
"strings"
"testing"
)
func TestPrepareSMSSelectsDirectGSM7AndPDUEncodings(t *testing.T) {
direct, err := prepareSMS("+12 345", "HELLO")
if err != nil {
t.Fatalf("prepare direct GSM-7: %v", err)
}
if direct.to != "+12345" ||
direct.encoding != SMSEncodingGSM7Text ||
direct.prompt != `AT+CMGS="+12345"` ||
string(direct.payload) != "HELLO" {
t.Fatalf("direct = %#v", direct)
}
gsmPDU, err := prepareSMS("+12345", "@")
if err != nil {
t.Fatalf("prepare GSM-7 PDU: %v", err)
}
if gsmPDU.encoding != SMSEncodingGSM7PDU ||
gsmPDU.tpduLength != 11 ||
string(gsmPDU.payload) != "00210005912143F500000100" {
t.Fatalf("GSM PDU = %#v", gsmPDU)
}
unicode, err := prepareSMS("+12345", "你好")
if err != nil {
t.Fatalf("prepare UCS2 PDU: %v", err)
}
if unicode.encoding != SMSEncodingUCS2PDU ||
unicode.tpduLength != 14 ||
unicode.prompt != "AT+CMGS=14" ||
string(unicode.payload) != "00210005912143F50008044F60597D" {
t.Fatalf("UCS2 PDU = %#v", unicode)
}
}
func TestPrepareAndDecodeTransportIndependentTPDU(t *testing.T) {
parts, err := PrepareSMSSubmitTPDUs("+12345", "HELLO")
if err != nil {
t.Fatalf("PrepareSMSSubmitTPDUs: %v", err)
}
if len(parts) != 1 || parts[0].To != "+12345" || len(parts[0].TPDU) == 0 ||
parts[0].TPDU[0]&0x03 != 1 || parts[0].TPDU[0]&0x20 == 0 {
t.Fatalf("parts = %#v", parts)
}
message, err := DecodeSMSDeliverTPDU([]byte{
0x04, 0x05, 0x91, 0x21, 0x43, 0xf5, 0x00, 0x00,
0x42, 0x10, 0x20, 0x30, 0x40, 0x50, 0x00, 0x05,
0xc8, 0x22, 0x93, 0xf9, 0x04,
})
if err != nil || message.From != "+12345" || message.Text != "HELLO" {
t.Fatalf("DecodeSMSDeliverTPDU = (%#v, %v)", message, err)
}
}
func TestPrepareSMSRejectsInvalidAndOversizeMessages(t *testing.T) {
if _, err := prepareSMS(`12"34`, "hello"); !errors.Is(err, ErrSMSInvalidRecipient) {
t.Fatalf("invalid recipient error = %v", err)
}
if _, err := prepareSMS("12345", ""); !errors.Is(err, ErrSMSEmpty) {
t.Fatalf("empty message error = %v", err)
}
if _, err := prepareSMS(
"12345",
strings.Repeat("A", 161),
); !errors.Is(err, ErrSMSTooLong) {
t.Fatalf("long GSM-7 error = %v", err)
}
if _, err := prepareSMS(
"12345",
strings.Repeat("你", 71),
); !errors.Is(err, ErrSMSTooLong) {
t.Fatalf("long UCS2 error = %v", err)
}
}
func TestPrepareMultipartGSM7Uses153SeptetsAndSharedUDH(t *testing.T) {
const reference = 0x7a
text := strings.Repeat("A", 161)
parts, err := prepareSMSPartsWithReference("+12345", text, reference)
if err != nil {
t.Fatalf("prepare multipart GSM-7: %v", err)
}
if len(parts) != 2 {
t.Fatalf("parts = %d, want 2", len(parts))
}
for index, part := range parts {
message, decodeErr := decodeSMSPDU(string(part.payload))
if decodeErr != nil {
t.Fatalf("decode part %d: %v", index+1, decodeErr)
}
wantText := strings.Repeat("A", 153)
if index == 1 {
wantText = strings.Repeat("A", 8)
}
if message.Text != wantText ||
message.Concat == nil ||
message.Concat.Reference != reference ||
message.Concat.Total != 2 ||
message.Concat.Sequence != index+1 ||
part.part != index+1 ||
part.total != 2 ||
part.encoding != SMSEncodingGSM7PDU {
t.Fatalf("part %d = prepared %#v, decoded %#v", index+1, part, message)
}
}
}
func TestPrepareMultipartGSM7DoesNotSplitExtensionEscape(t *testing.T) {
text := strings.Repeat("A", 152) + "^" + strings.Repeat("B", 10)
parts, err := prepareSMSPartsWithReference("+12345", text, 7)
if err != nil {
t.Fatalf("prepare multipart extension: %v", err)
}
if len(parts) != 2 {
t.Fatalf("parts = %d, want 2", len(parts))
}
first, err := decodeSMSPDU(string(parts[0].payload))
if err != nil {
t.Fatalf("decode first part: %v", err)
}
second, err := decodeSMSPDU(string(parts[1].payload))
if err != nil {
t.Fatalf("decode second part: %v", err)
}
if first.Text != strings.Repeat("A", 152) ||
second.Text != "^"+strings.Repeat("B", 10) {
t.Fatalf("split text = %q + %q", first.Text, second.Text)
}
}
func TestPrepareMultipartUCS2DoesNotSplitSurrogatePair(t *testing.T) {
const reference = 0x52
text := strings.Repeat("你", 66) + "😀" + strings.Repeat("好", 4)
parts, err := prepareSMSPartsWithReference("+12345", text, reference)
if err != nil {
t.Fatalf("prepare multipart UCS2: %v", err)
}
if len(parts) != 2 {
t.Fatalf("parts = %d, want 2", len(parts))
}
first, err := decodeSMSPDU(string(parts[0].payload))
if err != nil {
t.Fatalf("decode first part: %v", err)
}
second, err := decodeSMSPDU(string(parts[1].payload))
if err != nil {
t.Fatalf("decode second part: %v", err)
}
if first.Text != strings.Repeat("你", 66) ||
second.Text != "😀"+strings.Repeat("好", 4) {
t.Fatalf("split text = %q + %q", first.Text, second.Text)
}
for index, message := range []SMSMessage{first, second} {
if message.Concat == nil ||
message.Concat.Reference != reference ||
message.Concat.Total != 2 ||
message.Concat.Sequence != index+1 {
t.Fatalf("concat part %d = %#v", index+1, message.Concat)
}
}
}
func TestPrepareMultipartRejectsMoreThan255Parts(t *testing.T) {
if _, err := prepareSMSPartsWithReference(
"12345",
strings.Repeat("A", 153*255+1),
1,
); !errors.Is(err, ErrSMSTooLong) {
t.Fatalf("oversize multipart GSM-7 error = %v", err)
}
if _, err := prepareSMSPartsWithReference(
"12345",
strings.Repeat("你", 67*255+1),
1,
); !errors.Is(err, ErrSMSTooLong) {
t.Fatalf("oversize multipart UCS2 error = %v", err)
}
}
func TestDecodeDeliverPDUHandlesGSM7AndUCS2(t *testing.T) {
gsm, err := decodeSMSPDU(
"000405912143F500004210203040500005C82293F904",
)
if err != nil {
t.Fatalf("decode GSM-7: %v", err)
}
if gsm.Direction != SMSDirectionReceived ||
gsm.From != "+12345" ||
gsm.Text != "HELLO" ||
gsm.Encoding != SMSEncodingGSM7PDU {
t.Fatalf("GSM message = %#v", gsm)
}
if gsm.ServiceCenterTimestamp == nil ||
gsm.ServiceCenterTimestamp.Year() != 2024 ||
gsm.ServiceCenterTimestamp.Month() != 1 ||
gsm.ServiceCenterTimestamp.Day() != 2 ||
gsm.ServiceCenterTimestamp.Hour() != 3 ||
gsm.ServiceCenterTimestamp.Minute() != 4 ||
gsm.ServiceCenterTimestamp.Second() != 5 {
t.Fatalf("timestamp = %v", gsm.ServiceCenterTimestamp)
}
ucs2, err := decodeSMSPDU(
"004405912143F50008421020304050000A0500037A02014F60597D",
)
if err != nil {
t.Fatalf("decode UCS2: %v", err)
}
if ucs2.Text != "你好" ||
ucs2.Encoding != SMSEncodingUCS2PDU ||
ucs2.Concat == nil ||
ucs2.Concat.Reference != 0x7a ||
ucs2.Concat.Total != 2 ||
ucs2.Concat.Sequence != 1 {
t.Fatalf("UCS2 message = %#v", ucs2)
}
}
func TestDecodeSubmitAndStatusReportPDU(t *testing.T) {
submit, err := decodeSMSPDU("00010005912143F500000100")
if err != nil {
t.Fatalf("decode submit: %v", err)
}
if submit.Direction != SMSDirectionSubmitted ||
submit.To != "+12345" ||
submit.Text != "@" {
t.Fatalf("submit = %#v", submit)
}
report, err := decodeSMSPDU(
"00022A05912143F5421020304050004210203050500000",
)
if err != nil {
t.Fatalf("decode status report: %v", err)
}
if report.Direction != SMSDirectionStatusReport ||
report.To != "+12345" ||
report.MessageReference == nil ||
*report.MessageReference != 42 ||
report.StatusCode == nil ||
*report.StatusCode != 0 ||
report.DeliveryStatus != "delivered" {
t.Fatalf("status report = %#v", report)
}
}
func TestParseCMGLPreservesUndecodableRecord(t *testing.T) {
messages := parseCMGL(okResponse(
"+CMGL: 9,0,,4",
"NOT-A-PDU",
))
if len(messages) != 1 ||
messages[0].Index != 9 ||
messages[0].RawPDU != "NOT-A-PDU" ||
messages[0].DecodeError == "" {
t.Fatalf("messages = %#v", messages)
}
}