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package rtcp
import (
"errors"
"testing"
"github.com/stretchr/testify/assert"
)
// An RTCP packet from a packet dump
func realPacket() []byte {
return []byte{
// Receiver Report (offset=0)
// v=2, p=0, count=1, RR, len=7
0x81, 0xc9, 0x0, 0x7,
// ssrc=0x902f9e2e
0x90, 0x2f, 0x9e, 0x2e,
// ssrc=0xbc5e9a40
0xbc, 0x5e, 0x9a, 0x40,
// fracLost=0, totalLost=0
0x0, 0x0, 0x0, 0x0,
// lastSeq=0x46e1
0x0, 0x0, 0x46, 0xe1,
// jitter=273
0x0, 0x0, 0x1, 0x11,
// lsr=0x9f36432
0x9, 0xf3, 0x64, 0x32,
// delay=150137
0x0, 0x2, 0x4a, 0x79,
// Source Description (offset=32)
// v=2, p=0, count=1, SDES, len=12
0x81, 0xca, 0x0, 0xc,
// ssrc=0x902f9e2e
0x90, 0x2f, 0x9e, 0x2e,
// CNAME, len=38
0x1, 0x26,
// text="{9c00eb92-1afb-9d49-a47d-91f64eee69f5}"
0x7b, 0x39, 0x63, 0x30,
0x30, 0x65, 0x62, 0x39,
0x32, 0x2d, 0x31, 0x61,
0x66, 0x62, 0x2d, 0x39,
0x64, 0x34, 0x39, 0x2d,
0x61, 0x34, 0x37, 0x64,
0x2d, 0x39, 0x31, 0x66,
0x36, 0x34, 0x65, 0x65,
0x65, 0x36, 0x39, 0x66,
0x35, 0x7d,
// END + padding
0x0, 0x0, 0x0, 0x0,
// Goodbye (offset=84)
// v=2, p=0, count=1, BYE, len=1
0x81, 0xcb, 0x0, 0x1,
// source=0x902f9e2e
0x90, 0x2f, 0x9e, 0x2e,
// Picture Loss Indication (offset=92)
0x81, 0xce, 0x0, 0x2,
// sender=0x902f9e2e
0x90, 0x2f, 0x9e, 0x2e,
// media=0x902f9e2e
0x90, 0x2f, 0x9e, 0x2e,
// RapidResynchronizationRequest (offset=104)
0x85, 0xcd, 0x0, 0x2,
// sender=0x902f9e2e
0x90, 0x2f, 0x9e, 0x2e,
// media=0x902f9e2e
0x90, 0x2f, 0x9e, 0x2e,
}
}
func TestUnmarshal(t *testing.T) {
packet, err := Unmarshal(realPacket())
if err != nil {
t.Fatalf("Error unmarshalling packets: %s", err)
}
expected := []Packet{
&ReceiverReport{
SSRC: 0x902f9e2e,
Reports: []ReceptionReport{{
SSRC: 0xbc5e9a40,
FractionLost: 0,
TotalLost: 0,
LastSequenceNumber: 0x46e1,
Jitter: 273,
LastSenderReport: 0x9f36432,
Delay: 150137,
}},
ProfileExtensions: []byte{},
},
NewCNAMESourceDescription(0x902f9e2e, "{9c00eb92-1afb-9d49-a47d-91f64eee69f5}"),
&Goodbye{
Sources: []uint32{0x902f9e2e},
},
&PictureLossIndication{
SenderSSRC: 0x902f9e2e,
MediaSSRC: 0x902f9e2e,
},
&RapidResynchronizationRequest{
SenderSSRC: 0x902f9e2e,
MediaSSRC: 0x902f9e2e,
},
}
assert.Equal(t, expected, packet)
}
func TestUnmarshalNil(t *testing.T) {
_, err := Unmarshal(nil)
if got, want := err, errInvalidHeader; !errors.Is(got, want) {
t.Fatalf("Unmarshal(nil) err = %v, want %v", got, want)
}
}
func TestInvalidHeaderLength(t *testing.T) {
invalidPacket := []byte{
// Receiver Report (offset=0)
// v=2, p=0, count=1, RR, len=100
0x81, 0xc9, 0x0, 0x64,
}
_, err := Unmarshal(invalidPacket)
if got, want := err, errPacketTooShort; !errors.Is(got, want) {
t.Fatalf("Unmarshal(nil) err = %v, want %v", got, want)
}
}
|
