package p2p import ( "bytes" "io/ioutil" "testing" "github.com/ethereum/go-ethereum/ethutil" ) func TestNewMsg(t *testing.T) { msg := NewMsg(3, 1, "000") if msg.Code != 3 { t.Errorf("incorrect code %d, want %d", msg.Code) } if msg.Size != 5 { t.Errorf("incorrect size %d, want %d", msg.Size, 5) } pl, _ := ioutil.ReadAll(msg.Payload) expect := []byte{0x01, 0x83, 0x30, 0x30, 0x30} if !bytes.Equal(pl, expect) { t.Errorf("incorrect payload content, got %x, want %x", pl, expect) } } func TestEncodeDecodeMsg(t *testing.T) { msg := NewMsg(3, 1, "000") buf := new(bytes.Buffer) if err := writeMsg(buf, msg); err != nil { t.Fatalf("encodeMsg error: %v", err) } t.Logf("encoded: %x", buf.Bytes()) decmsg, err := readMsg(buf) if err != nil { t.Fatalf("readMsg error: %v", err) } if decmsg.Code != 3 { t.Errorf("incorrect code %d, want %d", decmsg.Code, 3) } if decmsg.Size != 5 { t.Errorf("incorrect size %d, want %d", decmsg.Size, 5) } data, err := decmsg.Value() if err != nil { t.Fatalf("first payload item decode error: %v", err) } if v := data.Len(); v != 2 { t.Errorf("incorrect data.Len(): got %v, expected %d", v, 1) } if v := data.Get(0).Uint(); v != 1 { t.Errorf("incorrect data[0]: got %v, expected %d", v, 1) } if v := data.Get(1).Str(); v != "000" { t.Errorf("incorrect data[1]: got %q, expected %q", v, "000") } } func TestDecodeRealMsg(t *testing.T) { data := ethutil.Hex2Bytes("2240089100000080f87e8002b5457468657265756d282b2b292f5065657220536572766572204f6e652f76302e372e382f52656c656173652f4c696e75782f672b2bc082765fb84086dd80b7aefd6a6d2e3b93f4f300a86bfb6ef7bdc97cb03f793db6bb") msg, err := readMsg(bytes.NewReader(data)) if err != nil { t.Fatalf("unexpected error: %v", err) } if msg.Code != 0 { t.Errorf("incorrect code %d, want %d", msg.Code, 0) } }