mirror of
https://github.com/zrepl/zrepl.git
synced 2024-12-01 04:45:27 +01:00
120 lines
2.6 KiB
Go
120 lines
2.6 KiB
Go
package versionhandshake
|
|
|
|
import (
|
|
"bytes"
|
|
"fmt"
|
|
"io"
|
|
"strings"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/stretchr/testify/assert"
|
|
"github.com/stretchr/testify/require"
|
|
|
|
"github.com/zrepl/zrepl/util/socketpair"
|
|
)
|
|
|
|
func TestHandshakeMessage_Encode(t *testing.T) {
|
|
|
|
msg := HandshakeMessage{
|
|
ProtocolVersion: 2342,
|
|
}
|
|
|
|
encB, err := msg.Encode()
|
|
require.NoError(t, err)
|
|
enc := string(encB)
|
|
t.Logf("enc: %s", enc)
|
|
|
|
assert.False(t, strings.ContainsAny(enc[0:10], " "))
|
|
assert.True(t, enc[10] == ' ')
|
|
|
|
var (
|
|
headerlen, protoversion, extensionCount int
|
|
)
|
|
n, err := fmt.Sscanf(enc, "%010d ZREPL_ZFS_REPLICATION PROTOVERSION=%04d EXTENSIONS=%04d\n",
|
|
&headerlen, &protoversion, &extensionCount)
|
|
if n != 3 || (err != nil && err != io.EOF) {
|
|
t.Fatalf("%v %v", n, err)
|
|
}
|
|
|
|
assert.Equal(t, 2342, protoversion)
|
|
assert.Equal(t, 0, extensionCount)
|
|
assert.Equal(t, len(enc)-11, headerlen)
|
|
|
|
}
|
|
|
|
func TestHandshakeMessage_Encode_InvalidProtocolVersion(t *testing.T) {
|
|
|
|
for _, pv := range []int{-1, 0, 10000, 10001} {
|
|
t.Logf("testing invalid protocol version = %v", pv)
|
|
msg := HandshakeMessage{
|
|
ProtocolVersion: pv,
|
|
}
|
|
b, err := msg.Encode()
|
|
assert.Error(t, err)
|
|
assert.Nil(t, b)
|
|
}
|
|
|
|
}
|
|
|
|
func TestHandshakeMessage_DecodeReader(t *testing.T) {
|
|
|
|
in := HandshakeMessage{
|
|
2342,
|
|
[]string{"foo", "bar 2342"},
|
|
}
|
|
|
|
enc, err := in.Encode()
|
|
require.NoError(t, err)
|
|
|
|
out := HandshakeMessage{}
|
|
err = out.DecodeReader(bytes.NewReader([]byte(enc)), 4*4096)
|
|
assert.NoError(t, err)
|
|
assert.Equal(t, 2342, out.ProtocolVersion)
|
|
assert.Equal(t, 2, len(out.Extensions))
|
|
assert.Equal(t, "foo", out.Extensions[0])
|
|
assert.Equal(t, "bar 2342", out.Extensions[1])
|
|
|
|
}
|
|
|
|
func TestDoHandshakeVersion_ErrorOnDifferentVersions(t *testing.T) {
|
|
srv, client, err := socketpair.SocketPair()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer srv.Close()
|
|
defer client.Close()
|
|
|
|
srvErrCh := make(chan error)
|
|
go func() {
|
|
srvErrCh <- DoHandshakeVersion(srv, time.Now().Add(2*time.Second), 1)
|
|
}()
|
|
err = DoHandshakeVersion(client, time.Now().Add(2*time.Second), 2)
|
|
t.Log(err)
|
|
assert.Error(t, err)
|
|
assert.True(t, strings.Contains(err.Error(), "version"))
|
|
|
|
srvErr := <-srvErrCh
|
|
t.Log(srvErr)
|
|
assert.Error(t, srvErr)
|
|
assert.True(t, strings.Contains(srvErr.Error(), "version"))
|
|
}
|
|
|
|
func TestDoHandshakeCurrentVersion(t *testing.T) {
|
|
srv, client, err := socketpair.SocketPair()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer srv.Close()
|
|
defer client.Close()
|
|
|
|
srvErrCh := make(chan error)
|
|
go func() {
|
|
srvErrCh <- DoHandshakeVersion(srv, time.Now().Add(2*time.Second), 1)
|
|
}()
|
|
err = DoHandshakeVersion(client, time.Now().Add(2*time.Second), 1)
|
|
assert.Nil(t, err)
|
|
assert.Nil(t, <-srvErrCh)
|
|
|
|
}
|