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package protocolversion
import (
"testing"
"github.com/stretchr/testify/require"
"github.com/hashicorp/vagrant/internal/server/proto/vagrant_server"
)
func TestNegotiate(t *testing.T) {
cases := []struct {
Name string
Client, Server *vagrant_server.VersionInfo_ProtocolVersion
Err string
Vsn uint32
}{
{
"latest",
&vagrant_server.VersionInfo_ProtocolVersion{Minimum: 1, Current: 10},
&vagrant_server.VersionInfo_ProtocolVersion{Minimum: 1, Current: 10},
"",
10,
},
{
"client older but can negotiate",
&vagrant_server.VersionInfo_ProtocolVersion{Minimum: 1, Current: 6},
&vagrant_server.VersionInfo_ProtocolVersion{Minimum: 4, Current: 10},
"",
6,
},
{
"client older but can negotiate minimum",
&vagrant_server.VersionInfo_ProtocolVersion{Minimum: 1, Current: 4},
&vagrant_server.VersionInfo_ProtocolVersion{Minimum: 4, Current: 10},
"",
4,
},
{
"server older but can negotiate",
&vagrant_server.VersionInfo_ProtocolVersion{Minimum: 4, Current: 10},
&vagrant_server.VersionInfo_ProtocolVersion{Minimum: 1, Current: 5},
"",
5,
},
{
"server older but can negotiate minimum",
&vagrant_server.VersionInfo_ProtocolVersion{Minimum: 4, Current: 10},
&vagrant_server.VersionInfo_ProtocolVersion{Minimum: 1, Current: 4},
"",
4,
},
{
"client too old",
&vagrant_server.VersionInfo_ProtocolVersion{Minimum: 1, Current: 4},
&vagrant_server.VersionInfo_ProtocolVersion{Minimum: 5, Current: 6},
ErrClientOutdated.Error(),
0,
},
{
"server too old",
&vagrant_server.VersionInfo_ProtocolVersion{Minimum: 5, Current: 6},
&vagrant_server.VersionInfo_ProtocolVersion{Minimum: 1, Current: 4},
ErrServerOutdated.Error(),
0,
},
}
for _, tt := range cases {
t.Run(tt.Name, func(t *testing.T) {
require := require.New(t)
vsn, err := Negotiate(tt.Client, tt.Server)
if tt.Err != "" {
require.Error(err)
require.Contains(err.Error(), tt.Err)
return
}
require.NoError(err)
require.Equal(vsn, tt.Vsn)
})
}
}
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