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package codec
import (
"bytes"
"encoding/hex"
"reflect"
"testing"
"time"
"github.com/hashicorp/go-msgpack/v2/codec/internal/testdata"
)
// Tests that msgpack correctly deserializes all legacy hashicorp/raft entries, byte-for-byte.
// These were generated by running all the Raft tests and capturing all msgpack encodings.
func decodeMsgPack(buf []byte, out interface{}) error {
r := bytes.NewBuffer(buf)
hd := MsgpackHandle{}
dec := NewDecoder(r, &hd)
return dec.Decode(out)
}
func serializeTests(t *testing.T, tests []testdata.SerializeTest) {
t.Helper()
for _, test := range tests {
t.Run(test.Name, func(t *testing.T) {
expected, err := hex.DecodeString(test.EncodedBytesHex)
if err != nil {
t.Fatal(err)
}
typ := reflect.TypeOf(test.ExpectedData)
x := reflect.New(typ).Elem().Interface()
err = decodeMsgPack(expected, &x)
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(x, test.ExpectedData) {
// to help figure out what is different since the Logs are pointers
if aer, ok := x.(testdata.AppendEntriesRequest); ok {
for _, log := range aer.Entries {
if log != nil {
t.Errorf("log %##v", *log)
}
}
}
t.Errorf("expected %#v but got %#v", test.ExpectedData, x)
}
})
}
}
func TestRaftBytes_v116(t *testing.T) {
serializeTests(t, testdata.RaftV116)
}
func TestRaftBytes_v115(t *testing.T) {
serializeTests(t, testdata.RaftV115)
}
func TestRaftBytes_v055(t *testing.T) {
serializeTests(t, testdata.RaftV055)
}
func TestTimeBytes(t *testing.T) {
testCases := []struct {
name string
data string
expected string
}{
{
"v1.1.6 non-UTC with nanos",
"af010000000eda5a48a43b9ac9ff01a4",
"2022-07-08T22:47:48.999999999+07:00",
},
{
"v1.1.6",
"af010000000eda5aab140e044990ffff",
"2022-07-08T22:47:48.235162Z",
},
{
"v1.1.5",
"a83811264062c8b414",
"2022-07-08T22:47:48.235162Z",
},
}
for _, test := range testCases {
var got time.Time
data, err := hex.DecodeString(test.data)
if err != nil {
t.Fatal(err)
}
err = decodeMsgPack(data, &got)
if err != nil {
t.Fatal(err)
}
expected, err := time.Parse(time.RFC3339Nano, test.expected)
if err != nil {
t.Fatal(err)
}
if !got.Equal(expected) {
t.Errorf("%s: Got %s expected %s", test.name, got.Format(time.RFC3339Nano), expected.Format(time.RFC3339Nano))
}
}
}