/
binary_protocol_test.go
346 lines (315 loc) · 8.83 KB
/
binary_protocol_test.go
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package katsubushi
import (
"bufio"
"bytes"
"reflect"
"strings"
"testing"
)
func TestBResponseBytes(t *testing.T) {
res := bResponse{
magic: 0x81,
opcode: 0x00,
dataType: 0x00,
status: [2]byte{0x00, 0x00},
opaque: [4]byte{0x00, 0x00, 0x00, 0x00},
cas: [8]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
extras: []byte{0xde, 0xad, 0xbe, 0xef},
key: "",
value: "World",
}
actual := res.Bytes()
expected := []byte{
0x81, 0x00, 0x00, 0x00,
0x04, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x09,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x01,
0xde, 0xad, 0xbe, 0xef,
0x57, 0x6f, 0x72, 0x6c,
0x64,
}
if bytes.Compare(actual, expected) != 0 {
t.Errorf("Unextected byte slice: %s", actual)
}
}
func TestNewBRequest(t *testing.T) {
{
input := []byte{
0x80, 0x02, 0x00, 0x05,
0x08, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x12,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0xde, 0xad, 0xbe, 0xef,
0x00, 0x00, 0x1c, 0x20,
0x48, 0x65, 0x6c, 0x6c,
0x6f, 0x57, 0x6f, 0x72,
0x6c, 0x64,
}
br := bytes.NewReader(input)
req, err := newBRequest(br)
if err != nil {
t.Errorf("Failed to parse request: %s", err)
}
if req.magic != 0x80 {
t.Errorf("Unexpected magic: %x", req.magic)
}
if req.opcode != 0x02 {
t.Errorf("Unexpected opcode: %x", req.opcode)
}
if req.dataType != 0x00 {
t.Errorf("Unexpected data type: %x", req.dataType)
}
if bytes.Compare(req.vBucket[:], []byte{0x00, 0x00}) != 0 {
t.Errorf("Unexpected VBucket: %x", req.vBucket)
}
if bytes.Compare(req.opaque[:], []byte{0x00, 0x00, 0x00, 0x00}) != 0 {
t.Errorf("Unexpected opaque: %x", req.opaque)
}
if bytes.Compare(req.cas[:], []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}) != 0 {
t.Errorf("Unexpected cas: %x", req.cas)
}
if bytes.Compare(req.extras, []byte{0xde, 0xad, 0xbe, 0xef, 0x00, 0x00, 0x1c, 0x20}) != 0 {
t.Errorf("Unexpected extras: %x", req.extras)
}
if req.key != "Hello" {
t.Errorf("Unexpected kes: %s", req.key)
}
if req.value != "World" {
t.Errorf("Unexpected value: %x", req.value)
}
}
{
input := []byte{
0x80, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00,
}
br := bytes.NewReader(input)
_, err := newBRequest(br)
if err == nil {
t.Error("too short header is not detected")
}
}
{
input := []byte{
0x82, 0x00, 0x00, 0x00,
// extra length = 2
0x02, 0x00, 0x00, 0x00,
// total body = 1
0x00, 0x00, 0x00, 0x02,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
// body = "aa"
0x61, 0x61,
}
br := bytes.NewReader(input)
_, err := newBRequest(br)
if err == nil {
t.Error("length inconsistency is not detected")
}
}
{
input := []byte{
0x82, 0x00, 0x00, 0x00,
// extra length = 2
0x02, 0x00, 0x00, 0x00,
// total body = 2
0x00, 0x00, 0x00, 0x02,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
// body = "a"
0x61,
}
br := bytes.NewReader(input)
_, err := newBRequest(br)
if err == nil {
t.Error("too short body is not detected")
}
}
{
input := []byte{
0x80, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
// total body = 2
0x00, 0x00, 0x00, 0x02,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
// value = "a"
0x61,
}
br := bytes.NewReader(input)
_, err := newBRequest(br)
if err == nil {
t.Error("too short body is not detected")
}
}
{
input := []byte{
0x80, 0x00, 0x00, 0x00,
// extra length = 1
0x01, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
// total body = 2
0x00, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
// value = "a"
0x61,
}
br := bytes.NewReader(input)
_, err := newBRequest(br)
if err == nil {
t.Error("too short body is not detected")
}
}
}
func TestIsBinaryProtocol(t *testing.T) {
app := newTestApp(t, nil)
binCmd := []byte{
0x80, 0x0b, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
}
br := bytes.NewReader(binCmd)
bufBr := bufio.NewReader(br)
{
isBin, err := app.IsBinaryProtocol(bufBr)
if err != nil {
t.Fatal(err)
}
if !isBin {
t.Errorf("Binary protocol request is regarded as text protocol")
}
}
sr := strings.NewReader("VERSION")
bufSr := bufio.NewReader(sr)
{
isBin, err := app.IsBinaryProtocol(bufSr)
if err != nil {
t.Fatal(err)
}
if isBin {
t.Errorf("Text protocol request is regarded as binary protocol")
}
}
}
func TestMemdStats_writeBinaryTo(t *testing.T) {
s := MemdStats{
Pid: 12,
Uptime: 134,
Time: 999999,
Version: "v1.5.7",
CurrConnections: 1023,
TotalConnections: 12345,
CmdGet: 5312,
GetHits: 5311,
GetMisses: 1,
}
w := &bytes.Buffer{}
s.writeBinaryTo(w, [4]byte{0x00, 0x00, 0x00, 0x00})
expect := []byte{
0x81, 0x10, // response Magic, Opcode
0x00, 0x03, // Key length
0x00, 0x00, 0x00, 0x00, // Extra Length(1), Data type(1), VBucket(2)
0x00, 0x00, 0x00, 0x05, // Total body
0x00, 0x00, 0x00, 0x00, // Opaque
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // CAS
0x70, 0x69, 0x64, // Key
0x31, 0x32, // Value
// Next field
0x81, 0x10, // response Magic, Opcode
0x00, 0x06, // Key length
0x00, 0x00, 0x00, 0x00, // Extra Length(1), Data type(1), VBucket(2)
0x00, 0x00, 0x00, 0x09, // Total Body
0x00, 0x00, 0x00, 0x00, // Opaque
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // CAS
0x75, 0x70, 0x74, 0x69, 0x6d, 0x65, // Key
0x31, 0x33, 0x34, // Value
// Next field
0x81, 0x10, // response Magic, Opcode
0x00, 0x04, // Key length
0x00, 0x00, 0x00, 0x00, // Extra Length(1), Data type(1), VBucket(2)
0x00, 0x00, 0x00, 0x0a, // Total Body
0x00, 0x00, 0x00, 0x00, // Opaque
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // CAS
0x74, 0x69, 0x6d, 0x65, // Key
0x39, 0x39, 0x39, 0x39, 0x39, 0x39, // Value
// Next field
0x81, 0x10, // response Magic, Opcode
0x00, 0x07, // Key length
0x00, 0x00, 0x00, 0x00, // Extra Length(1), Data type(1), VBucket(2)
0x00, 0x00, 0x00, 0x0d, // Total Body
0x00, 0x00, 0x00, 0x00, // Opaque
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // CAS
0x76, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, // Key
0x76, 0x31, 0x2e, 0x35, 0x2e, 0x37, // Value
// Next field
0x81, 0x10, // response Magic, Opcode
0x00, 0x10, // Key length
0x00, 0x00, 0x00, 0x00, // Extra Length(1), Data type(1), VBucket(2)
0x00, 0x00, 0x00, 0x14, // Total body
0x00, 0x00, 0x00, 0x00, // Opaque
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // CAS
0x63, 0x75, 0x72, 0x72, 0x5f, 0x63, 0x6f, 0x6e, 0x6e, 0x65, // Key
0x63, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x31, 0x30, 0x32, 0x33, // Value
// Next field
0x81, 0x10, // response Magic, Opcode
0x00, 0x11, // Key length
0x00, 0x00, 0x00, 0x00, // Extra Length(1), Data type(1), VBucket(2)
0x00, 0x00, 0x00, 0x16, // Total body
0x00, 0x00, 0x00, 0x00, // Opaque
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // CAS
0x74, 0x6f, 0x74, 0x61, 0x6c, 0x5f, 0x63, 0x6f, 0x6e, 0x6e, 0x65, // Key
0x63, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x31, 0x32, 0x33, 0x34, 0x35, // Value
// Next field
0x81, 0x10, // respones Magic, Opcode
0x00, 0x07, // Key length
0x00, 0x00, 0x00, 0x00, // Extra Length(1), Data type(1), VBucket(2)
0x00, 0x00, 0x00, 0x0b, // Total body
0x00, 0x00, 0x00, 0x00, // Opaque
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // CAS
0x63, 0x6d, 0x64, 0x5f, 0x67, 0x65, 0x74, // Key
0x35, 0x33, 0x31, 0x32, // Value
// Next field
0x81, 0x10, // response Mgic, Opcode
0x00, 0x08, // Key length
0x00, 0x00, 0x00, 0x00, // Extra Length(1), Data type(1), VBucket(2)
0x00, 0x00, 0x00, 0x0c, // Total body
0x00, 0x00, 0x00, 0x00, // Opaque
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // CAS
0x67, 0x65, 0x74, 0x5f, 0x68, 0x69, 0x74, 0x73, // Key
0x35, 0x33, 0x31, 0x31, // Value
// Next field
0x81, 0x10, // response Magic, Opcode
0x00, 0x0a, // Key length
0x00, 0x00, 0x00, 0x00, // Extra Length(1), Data type(1), VBucket(2)
0x00, 0x00, 0x00, 0x0b, // Total body
0x00, 0x00, 0x00, 0x00, // Opaque
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // CAS
0x67, 0x65, 0x74, 0x5f, 0x6d, 0x69, 0x73, 0x73, 0x65, 0x73, // Key
0x31, // Value
// Last empty field
0x81, 0x10, // response Magic, Opcode
0x00, 0x00, // Key length
0x00, 0x00, 0x00, 0x00, // Extra Length(1), Data type(1), VBucket(2)
0x00, 0x00, 0x00, 0x00, // Total body
0x00, 0x00, 0x00, 0x00, // Opaque
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // CAS
}
if g, e := w.Bytes(), expect; !reflect.DeepEqual(g, e) {
t.Errorf("got: \n%#v,\nexpect: %#v\n", g, e)
}
}