mirror of
https://github.com/etcd-io/etcd.git
synced 2024-09-27 06:25:44 +00:00
61 lines
1.7 KiB
Go
61 lines
1.7 KiB
Go
// Copyright 2016 The etcd Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package integration
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import (
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"math/rand"
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"testing"
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"time"
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"github.com/coreos/etcd/clientv3"
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"github.com/coreos/etcd/integration"
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"github.com/coreos/etcd/pkg/testutil"
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"golang.org/x/net/context"
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)
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// TestDialSetEndpoints ensures SetEndpoints can replace unavailable endpoints with available ones.
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func TestDialSetEndpoints(t *testing.T) {
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defer testutil.AfterTest(t)
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clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 3})
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defer clus.Terminate(t)
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// get endpoint list
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eps := make([]string, 3)
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for i := range eps {
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eps[i] = clus.Members[i].GRPCAddr()
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}
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toKill := rand.Intn(len(eps))
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cfg := clientv3.Config{Endpoints: []string{eps[toKill]}, DialTimeout: 1 * time.Second}
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cli, err := clientv3.New(cfg)
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if err != nil {
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t.Fatal(err)
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}
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defer cli.Close()
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// make a dead node
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clus.Members[toKill].Stop(t)
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clus.WaitLeader(t)
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// update client with available endpoints
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cli.SetEndpoints(eps[(toKill+1)%3])
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ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
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if _, err = cli.Get(ctx, "foo", clientv3.WithSerializable()); err != nil {
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t.Fatal(err)
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}
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cancel()
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}
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