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// Copyright 2017 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 (
"testing"
"time"
clientv3 "go.etcd.io/etcd/client/v3"
"go.etcd.io/etcd/client/v3/naming/endpoints"
"go.etcd.io/etcd/server/v3/proxy/grpcproxy"
"go.etcd.io/etcd/tests/v3/integration"
"go.uber.org/zap/zaptest"
)
func TestRegister(t *testing.T) {
integration.BeforeTest(t)
clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 1})
defer clus.Terminate(t)
cli := clus.Client(0)
paddr := clus.Members[0].GRPCURL()
testPrefix := "test-name"
wa := mustCreateWatcher(t, cli, testPrefix)
donec := grpcproxy.Register(zaptest.NewLogger(t), cli, testPrefix, paddr, 5)
ups := <-wa
if len(ups) != 1 {
t.Fatalf("len(ups) expected 1, got %d (%v)", len(ups), ups)
}
if ups[0].Endpoint.Addr != paddr {
t.Fatalf("ups[0].Addr expected %q, got %q", paddr, ups[0].Endpoint.Addr)
}
cli.Close()
clus.TakeClient(0)
select {
case <-donec:
case <-time.After(5 * time.Second):
t.Fatal("donec 'register' did not return in time")
}
}
func mustCreateWatcher(t *testing.T, c *clientv3.Client, prefix string) endpoints.WatchChannel {
em, err := endpoints.NewManager(c, prefix)
if err != nil {
t.Fatalf("failed to create endpoints.Manager: %v", err)
}
wc, err := em.NewWatchChannel(c.Ctx())
if err != nil {
t.Fatalf("failed to resolve %q (%v)", prefix, err)
}
return wc
}
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