src.dualinventive.com/go/influxdb-logger/vendor/gopkg.in/vmihailenco/msgpack.v2/msgpack_test.go

602 lines
15 KiB
Go

package msgpack_test
import (
"bufio"
"bytes"
"math"
"reflect"
"strings"
"testing"
"time"
"gopkg.in/vmihailenco/msgpack.v2"
"gopkg.in/vmihailenco/msgpack.v2/codes"
. "gopkg.in/check.v1"
)
type nameStruct struct {
Name string
}
func Test(t *testing.T) { TestingT(t) }
type MsgpackTest struct {
buf *bytes.Buffer
enc *msgpack.Encoder
dec *msgpack.Decoder
}
var _ = Suite(&MsgpackTest{})
func (t *MsgpackTest) SetUpTest(c *C) {
t.buf = &bytes.Buffer{}
t.enc = msgpack.NewEncoder(t.buf)
t.dec = msgpack.NewDecoder(bufio.NewReader(t.buf))
}
func (t *MsgpackTest) TestUint64(c *C) {
table := []struct {
v uint64
b []byte
}{
{0, []byte{0x00}},
{1, []byte{0x01}},
{math.MaxInt8 - 1, []byte{0x7e}},
{math.MaxInt8, []byte{0x7f}},
{math.MaxInt8 + 1, []byte{0xcc, 0x80}},
{math.MaxUint8 - 1, []byte{0xcc, 0xfe}},
{math.MaxUint8, []byte{0xcc, 0xff}},
{math.MaxUint8 + 1, []byte{0xcd, 0x1, 0x0}},
{math.MaxUint16 - 1, []byte{0xcd, 0xff, 0xfe}},
{math.MaxUint16, []byte{0xcd, 0xff, 0xff}},
{math.MaxUint16 + 1, []byte{0xce, 0x0, 0x1, 0x0, 0x0}},
{math.MaxUint32 - 1, []byte{0xce, 0xff, 0xff, 0xff, 0xfe}},
{math.MaxUint32, []byte{0xce, 0xff, 0xff, 0xff, 0xff}},
{math.MaxUint32 + 1, []byte{0xcf, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0}},
{math.MaxInt64 - 1, []byte{0xcf, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe}},
{math.MaxInt64, []byte{0xcf, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}},
}
for _, r := range table {
var int64v int64
c.Assert(t.enc.Encode(r.v), IsNil)
c.Assert(t.buf.Bytes(), DeepEquals, r.b, Commentf("n=%d", r.v))
c.Assert(t.dec.Decode(&int64v), IsNil, Commentf("n=%d", r.v))
c.Assert(int64v, Equals, int64(r.v), Commentf("n=%d", r.v))
var uint64v uint64
c.Assert(t.enc.Encode(r.v), IsNil)
c.Assert(t.buf.Bytes(), DeepEquals, r.b, Commentf("n=%d", r.v))
c.Assert(t.dec.Decode(&uint64v), IsNil, Commentf("n=%d", r.v))
c.Assert(uint64v, Equals, uint64(r.v), Commentf("n=%d", r.v))
c.Assert(t.enc.Encode(r.v), IsNil)
iface, err := t.dec.DecodeInterface()
c.Assert(err, IsNil)
c.Assert(iface, Equals, r.v)
}
}
func (t *MsgpackTest) TestInt64(c *C) {
table := []struct {
v int64
b []byte
}{
{math.MinInt64, []byte{0xd3, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}},
{math.MinInt32 - 1, []byte{0xd3, 0xff, 0xff, 0xff, 0xff, 0x7f, 0xff, 0xff, 0xff}},
{math.MinInt32, []byte{0xd2, 0x80, 0x00, 0x00, 0x00}},
{math.MinInt32 + 1, []byte{0xd2, 0x80, 0x00, 0x00, 0x01}},
{math.MinInt16 - 1, []byte{0xd2, 0xff, 0xff, 0x7f, 0xff}},
{math.MinInt16, []byte{0xd1, 0x80, 0x00}},
{math.MinInt16 + 1, []byte{0xd1, 0x80, 0x01}},
{math.MinInt8 - 1, []byte{0xd1, 0xff, 0x7f}},
{math.MinInt8, []byte{0xd0, 0x80}},
{math.MinInt8 + 1, []byte{0xd0, 0x81}},
{-33, []byte{0xd0, 0xdf}},
{-32, []byte{0xe0}},
{-31, []byte{0xe1}},
{-1, []byte{0xff}},
{0, []byte{0x00}},
{1, []byte{0x01}},
{math.MaxInt8 - 1, []byte{0x7e}},
{math.MaxInt8, []byte{0x7f}},
{math.MaxInt8 + 1, []byte{0xcc, 0x80}},
{math.MaxUint8 - 1, []byte{0xcc, 0xfe}},
{math.MaxUint8, []byte{0xcc, 0xff}},
{math.MaxUint8 + 1, []byte{0xcd, 0x1, 0x0}},
{math.MaxUint16 - 1, []byte{0xcd, 0xff, 0xfe}},
{math.MaxUint16, []byte{0xcd, 0xff, 0xff}},
{math.MaxUint16 + 1, []byte{0xce, 0x0, 0x1, 0x0, 0x0}},
{math.MaxUint32 - 1, []byte{0xce, 0xff, 0xff, 0xff, 0xfe}},
{math.MaxUint32, []byte{0xce, 0xff, 0xff, 0xff, 0xff}},
{math.MaxUint32 + 1, []byte{0xcf, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0}},
{math.MaxInt64 - 1, []byte{0xcf, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe}},
{math.MaxInt64, []byte{0xcf, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}},
}
for _, r := range table {
var int64v int64
c.Assert(t.enc.Encode(r.v), IsNil)
c.Assert(t.buf.Bytes(), DeepEquals, r.b, Commentf("n=%d", r.v))
c.Assert(t.dec.Decode(&int64v), IsNil, Commentf("n=%d", r.v))
c.Assert(int64v, Equals, int64(r.v), Commentf("n=%d", r.v))
var uint64v uint64
c.Assert(t.enc.Encode(r.v), IsNil)
c.Assert(t.buf.Bytes(), DeepEquals, r.b, Commentf("n=%d", r.v))
c.Assert(t.dec.Decode(&uint64v), IsNil, Commentf("n=%d", r.v))
c.Assert(uint64v, Equals, uint64(r.v), Commentf("n=%d", r.v))
c.Assert(t.enc.Encode(r.v), IsNil)
v, err := t.dec.DecodeInterface()
c.Assert(err, IsNil)
if r.v < 0 {
c.Assert(v, Equals, r.v)
} else {
c.Assert(v, Equals, uint64(r.v))
}
}
}
func (t *MsgpackTest) TestFloat32(c *C) {
table := []struct {
v float32
b []byte
}{
{0.1, []byte{codes.Float, 0x3d, 0xcc, 0xcc, 0xcd}},
{0.2, []byte{codes.Float, 0x3e, 0x4c, 0xcc, 0xcd}},
{-0.1, []byte{codes.Float, 0xbd, 0xcc, 0xcc, 0xcd}},
{-0.2, []byte{codes.Float, 0xbe, 0x4c, 0xcc, 0xcd}},
{float32(math.Inf(1)), []byte{codes.Float, 0x7f, 0x80, 0x00, 0x00}},
{float32(math.Inf(-1)), []byte{codes.Float, 0xff, 0x80, 0x00, 0x00}},
{math.MaxFloat32, []byte{codes.Float, 0x7f, 0x7f, 0xff, 0xff}},
{math.SmallestNonzeroFloat32, []byte{codes.Float, 0x0, 0x0, 0x0, 0x1}},
}
for _, r := range table {
c.Assert(t.enc.Encode(r.v), IsNil)
c.Assert(t.buf.Bytes(), DeepEquals, r.b, Commentf("err encoding %v", r.v))
var f32 float32
c.Assert(t.dec.Decode(&f32), IsNil)
c.Assert(f32, Equals, r.v)
// Pass pointer to skip fast-path and trigger reflect.
c.Assert(t.enc.Encode(&r.v), IsNil)
c.Assert(t.buf.Bytes(), DeepEquals, r.b, Commentf("err encoding %v", r.v))
var f64 float64
c.Assert(t.dec.Decode(&f64), IsNil)
c.Assert(float32(f64), Equals, r.v)
c.Assert(t.enc.Encode(r.v), IsNil)
iface, err := t.dec.DecodeInterface()
c.Assert(err, IsNil)
c.Assert(iface, Equals, r.v)
}
in := float32(math.NaN())
c.Assert(t.enc.Encode(in), IsNil)
var out float32
c.Assert(t.dec.Decode(&out), IsNil)
c.Assert(math.IsNaN(float64(out)), Equals, true)
}
func (t *MsgpackTest) TestFloat64(c *C) {
table := []struct {
v float64
b []byte
}{
{.1, []byte{0xcb, 0x3f, 0xb9, 0x99, 0x99, 0x99, 0x99, 0x99, 0x9a}},
{.2, []byte{0xcb, 0x3f, 0xc9, 0x99, 0x99, 0x99, 0x99, 0x99, 0x9a}},
{-.1, []byte{0xcb, 0xbf, 0xb9, 0x99, 0x99, 0x99, 0x99, 0x99, 0x9a}},
{-.2, []byte{0xcb, 0xbf, 0xc9, 0x99, 0x99, 0x99, 0x99, 0x99, 0x9a}},
{math.Inf(1), []byte{0xcb, 0x7f, 0xf0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}},
{math.Inf(-1), []byte{0xcb, 0xff, 0xf0, 0x00, 0x00, 0x0, 0x0, 0x0, 0x0}},
{math.MaxFloat64, []byte{0xcb, 0x7f, 0xef, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}},
{math.SmallestNonzeroFloat64, []byte{0xcb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}},
}
for _, r := range table {
c.Assert(t.enc.Encode(r.v), IsNil)
c.Assert(t.buf.Bytes(), DeepEquals, r.b, Commentf("err encoding %v", r.v))
var v float64
c.Assert(t.dec.Decode(&v), IsNil)
c.Assert(v, Equals, r.v)
c.Assert(t.enc.Encode(r.v), IsNil)
iface, err := t.dec.DecodeInterface()
c.Assert(err, IsNil)
c.Assert(iface, Equals, r.v)
}
in := math.NaN()
c.Assert(t.enc.Encode(in), IsNil)
var out float64
c.Assert(t.dec.Decode(&out), IsNil)
c.Assert(math.IsNaN(out), Equals, true)
}
func (t *MsgpackTest) TestDecodeNil(c *C) {
c.Assert(t.dec.Decode(nil), NotNil)
}
func (t *MsgpackTest) TestTime(c *C) {
in := time.Now()
var out time.Time
c.Assert(t.enc.Encode(in), IsNil)
c.Assert(t.dec.Decode(&out), IsNil)
c.Assert(out.Equal(in), Equals, true)
var zero time.Time
c.Assert(t.enc.Encode(zero), IsNil)
c.Assert(t.dec.Decode(&out), IsNil)
c.Assert(out.Equal(zero), Equals, true)
c.Assert(out.IsZero(), Equals, true)
}
func (t *MsgpackTest) TestBin(c *C) {
lowBin8 := []byte(strings.Repeat("w", 32))
highBin8 := []byte(strings.Repeat("w", 255))
lowBin16 := []byte(strings.Repeat("w", 256))
highBin16 := []byte(strings.Repeat("w", 65535))
lowBin32 := []byte(strings.Repeat("w", 65536))
for _, i := range []struct {
src []byte
b []byte
}{
{
lowBin8,
append([]byte{0xc4, byte(len(lowBin8))}, lowBin8...),
},
{
highBin8,
append([]byte{0xc4, byte(len(highBin8))}, highBin8...),
},
{
lowBin16,
append([]byte{0xc5, 1, 0}, lowBin16...),
},
{
highBin16,
append([]byte{0xc5, 255, 255}, highBin16...),
},
{
lowBin32,
append([]byte{0xc6, 0, 1, 0, 0}, lowBin32...),
},
} {
c.Assert(t.enc.Encode(i.src), IsNil)
c.Assert(t.buf.Bytes(), DeepEquals, i.b)
var dst []byte
c.Assert(t.dec.Decode(&dst), IsNil)
c.Assert(dst, DeepEquals, i.src)
c.Assert(t.enc.Encode(i.src), IsNil)
iface, err := t.dec.DecodeInterface()
c.Assert(err, IsNil)
c.Assert(iface, DeepEquals, i.src)
}
}
func (t *MsgpackTest) TestString(c *C) {
highFixStr := strings.Repeat("w", 31)
lowStr8 := strings.Repeat("w", 32)
highStr8 := strings.Repeat("w", 255)
lowStr16 := strings.Repeat("w", 256)
highStr16 := strings.Repeat("w", 65535)
lowStr32 := strings.Repeat("w", 65536)
for _, i := range []struct {
src string
b []byte
}{
{"", []byte{0xa0}}, // fixstr
{"a", []byte{0xa1, 'a'}}, // fixstr
{"hello", append([]byte{0xa5}, "hello"...)}, // fixstr
{
highFixStr,
append([]byte{0xbf}, highFixStr...),
},
{
lowStr8,
append([]byte{0xd9, byte(len(lowStr8))}, lowStr8...),
},
{
highStr8,
append([]byte{0xd9, byte(len(highStr8))}, highStr8...),
},
{
lowStr16,
append([]byte{0xda, 1, 0}, lowStr16...),
},
{
highStr16,
append([]byte{0xda, 255, 255}, highStr16...),
},
{
lowStr32,
append([]byte{0xdb, 0, 1, 0, 0}, lowStr32...),
},
} {
c.Assert(t.enc.Encode(i.src), IsNil)
c.Assert(t.buf.Bytes(), DeepEquals, i.b)
var dst string
c.Assert(t.dec.Decode(&dst), IsNil)
c.Assert(dst, Equals, i.src)
c.Assert(t.enc.Encode(i.src), IsNil)
iface, err := t.dec.DecodeInterface()
c.Assert(err, IsNil)
c.Assert(iface, DeepEquals, i.src)
}
}
func (t *MsgpackTest) TestLargeBytes(c *C) {
N := int(1e6)
src := bytes.Repeat([]byte{'1'}, N)
c.Assert(t.enc.Encode(src), IsNil)
var dst []byte
c.Assert(t.dec.Decode(&dst), IsNil)
c.Assert(dst, DeepEquals, src)
}
func (t *MsgpackTest) TestLargeString(c *C) {
N := int(1e6)
src := string(bytes.Repeat([]byte{'1'}, N))
c.Assert(t.enc.Encode(src), IsNil)
var dst string
c.Assert(t.dec.Decode(&dst), IsNil)
c.Assert(dst, Equals, src)
}
func (t *MsgpackTest) TestSliceOfStructs(c *C) {
in := []*nameStruct{&nameStruct{"hello"}}
var out []*nameStruct
c.Assert(t.enc.Encode(in), IsNil)
c.Assert(t.dec.Decode(&out), IsNil)
c.Assert(out, DeepEquals, in)
}
func (t *MsgpackTest) TestMap(c *C) {
for _, i := range []struct {
m map[string]string
b []byte
}{
{map[string]string{}, []byte{0x80}},
{map[string]string{"hello": "world"}, []byte{0x81, 0xa5, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0xa5, 0x77, 0x6f, 0x72, 0x6c, 0x64}},
} {
c.Assert(t.enc.Encode(i.m), IsNil)
c.Assert(t.buf.Bytes(), DeepEquals, i.b, Commentf("err encoding %v", i.m))
var m map[string]string
c.Assert(t.dec.Decode(&m), IsNil)
c.Assert(m, DeepEquals, i.m)
}
}
func (t *MsgpackTest) TestStructNil(c *C) {
var dst *nameStruct
c.Assert(t.enc.Encode(nameStruct{Name: "foo"}), IsNil)
c.Assert(t.dec.Decode(&dst), IsNil)
c.Assert(dst, Not(IsNil))
c.Assert(dst.Name, Equals, "foo")
}
func (t *MsgpackTest) TestStructUnknownField(c *C) {
in := struct {
Field1 string
Field2 string
Field3 string
}{
Field1: "value1",
Field2: "value2",
Field3: "value3",
}
c.Assert(t.enc.Encode(in), IsNil)
out := struct {
Field2 string
}{}
c.Assert(t.dec.Decode(&out), IsNil)
c.Assert(out.Field2, Equals, "value2")
}
//------------------------------------------------------------------------------
type coderStruct struct {
name string
}
type wrapperStruct struct {
coderStruct `msgpack:",inline"`
}
var (
_ msgpack.CustomEncoder = &coderStruct{}
_ msgpack.CustomDecoder = &coderStruct{}
)
func (s *coderStruct) Name() string {
return s.name
}
func (s *coderStruct) EncodeMsgpack(enc *msgpack.Encoder) error {
return enc.Encode(s.name)
}
func (s *coderStruct) DecodeMsgpack(dec *msgpack.Decoder) error {
return dec.Decode(&s.name)
}
func (t *MsgpackTest) TestCoder(c *C) {
in := &coderStruct{name: "hello"}
var out coderStruct
c.Assert(t.enc.Encode(in), IsNil)
c.Assert(t.dec.Decode(&out), IsNil)
c.Assert(out.Name(), Equals, "hello")
}
func (t *MsgpackTest) TestNilCoder(c *C) {
in := &coderStruct{name: "hello"}
var out *coderStruct
c.Assert(t.enc.Encode(in), IsNil)
c.Assert(t.dec.Decode(&out), IsNil)
c.Assert(out.Name(), Equals, "hello")
}
func (t *MsgpackTest) TestNilCoderValue(c *C) {
c.Skip("TODO")
in := &coderStruct{name: "hello"}
var out *coderStruct
v := reflect.ValueOf(out)
c.Assert(t.enc.Encode(in), IsNil)
c.Assert(t.dec.DecodeValue(v), IsNil)
c.Assert(out.Name(), Equals, "hello")
}
func (t *MsgpackTest) TestPtrToCoder(c *C) {
in := &coderStruct{name: "hello"}
var out coderStruct
out2 := &out
c.Assert(t.enc.Encode(in), IsNil)
c.Assert(t.dec.Decode(&out2), IsNil)
c.Assert(out.Name(), Equals, "hello")
}
func (t *MsgpackTest) TestWrappedCoder(c *C) {
in := &wrapperStruct{coderStruct: coderStruct{name: "hello"}}
var out wrapperStruct
c.Assert(t.enc.Encode(in), IsNil)
c.Assert(t.dec.Decode(&out), IsNil)
c.Assert(out.Name(), Equals, "hello")
}
//------------------------------------------------------------------------------
type struct2 struct {
Name string
}
type struct1 struct {
Name string
Struct2 struct2
}
func (t *MsgpackTest) TestNestedStructs(c *C) {
in := &struct1{Name: "hello", Struct2: struct2{Name: "world"}}
var out struct1
c.Assert(t.enc.Encode(in), IsNil)
c.Assert(t.dec.Decode(&out), IsNil)
c.Assert(out.Name, Equals, in.Name)
c.Assert(out.Struct2.Name, Equals, in.Struct2.Name)
}
type Struct4 struct {
Name2 string
}
type Struct3 struct {
Struct4
Name1 string
}
func TestEmbedding(t *testing.T) {
in := &Struct3{
Name1: "hello",
Struct4: Struct4{
Name2: "world",
},
}
var out Struct3
b, err := msgpack.Marshal(in)
if err != nil {
t.Fatal(err)
}
err = msgpack.Unmarshal(b, &out)
if err != nil {
t.Fatal(err)
}
if out.Name1 != in.Name1 {
t.Fatalf("")
}
if out.Name2 != in.Name2 {
t.Fatalf("")
}
}
func (t *MsgpackTest) TestSliceNil(c *C) {
in := [][]*int{nil}
var out [][]*int
c.Assert(t.enc.Encode(in), IsNil)
c.Assert(t.dec.Decode(&out), IsNil)
c.Assert(out, DeepEquals, in)
}
//------------------------------------------------------------------------------
func (t *MsgpackTest) TestMapStringInterface(c *C) {
in := map[string]interface{}{
"foo": "bar",
"hello": map[string]interface{}{
"foo": "bar",
},
}
var out map[string]interface{}
c.Assert(t.enc.Encode(in), IsNil)
c.Assert(t.dec.Decode(&out), IsNil)
c.Assert(out["foo"], Equals, "bar")
mm := out["hello"].(map[interface{}]interface{})
c.Assert(mm["foo"], Equals, "bar")
}
func (t *MsgpackTest) TestMapStringInterface2(c *C) {
buf := &bytes.Buffer{}
enc := msgpack.NewEncoder(buf)
dec := msgpack.NewDecoder(buf)
dec.DecodeMapFunc = func(d *msgpack.Decoder) (interface{}, error) {
n, err := d.DecodeMapLen()
if err != nil {
return nil, err
}
m := make(map[string]interface{}, n)
for i := 0; i < n; i++ {
mk, err := d.DecodeString()
if err != nil {
return nil, err
}
mv, err := d.DecodeInterface()
if err != nil {
return nil, err
}
m[mk] = mv
}
return m, nil
}
in := map[string]interface{}{
"foo": "bar",
"hello": map[string]interface{}{
"foo": "bar",
},
}
var out map[string]interface{}
c.Assert(enc.Encode(in), IsNil)
c.Assert(dec.Decode(&out), IsNil)
c.Assert(out["foo"], Equals, "bar")
mm := out["hello"].(map[string]interface{})
c.Assert(mm["foo"], Equals, "bar")
}