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// Copyright 2016 The etcd Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package grpcproxy
import (
"context"
"net"
"testing"
"time"
pb "go.etcd.io/etcd/api/v3/etcdserverpb"
"go.etcd.io/etcd/client/v3"
"go.etcd.io/etcd/server/v3/proxy/grpcproxy"
"go.etcd.io/etcd/tests/v3/integration"
"google.golang.org/grpc"
)
func TestKVProxyRange(t *testing.T) {
integration.BeforeTest(t)
clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 1})
defer clus.Terminate(t)
kvts := newKVProxyServer([]string{clus.Members[0].GRPCURL()}, t)
defer kvts.close()
// create a client and try to get key from proxy.
cfg := clientv3.Config{
Endpoints: []string{kvts.l.Addr().String()},
DialTimeout: 5 * time.Second,
}
client, err := integration.NewClient(t, cfg)
if err != nil {
t.Fatalf("err = %v, want nil", err)
}
_, err = client.Get(context.Background(), "foo")
if err != nil {
t.Fatalf("err = %v, want nil", err)
}
client.Close()
}
type kvproxyTestServer struct {
kp pb.KVServer
c *clientv3.Client
server *grpc.Server
l net.Listener
}
func (kts *kvproxyTestServer) close() {
kts.server.Stop()
kts.l.Close()
kts.c.Close()
}
func newKVProxyServer(endpoints []string, t *testing.T) *kvproxyTestServer {
cfg := clientv3.Config{
Endpoints: endpoints,
DialTimeout: 5 * time.Second,
}
client, err := integration.NewClient(t, cfg)
if err != nil {
t.Fatal(err)
}
kvp, _ := grpcproxy.NewKvProxy(client)
kvts := &kvproxyTestServer{
kp: kvp,
c: client,
}
var opts []grpc.ServerOption
kvts.server = grpc.NewServer(opts...)
pb.RegisterKVServer(kvts.server, kvts.kp)
kvts.l, err = net.Listen("tcp", "127.0.0.1:0")
if err != nil {
t.Fatal(err)
}
go kvts.server.Serve(kvts.l)
return kvts
}
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