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integration: test Hash to embedded server panic
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gyuho committed Oct 20, 2016
1 parent 8b579e5 commit f6b76f2
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49 changes: 49 additions & 0 deletions integration/v3_maintenance_test.go
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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 integration

import (
"testing"
"time"

"google.golang.org/grpc"

pb "github.com/coreos/etcd/etcdserver/etcdserverpb"
"github.com/coreos/etcd/pkg/testutil"
"golang.org/x/net/context"
)

// TestV3MaintenanceHash ensures concurrent Hash call to embedded EtcdServer
// that is being stopped does not panic.
func TestV3MaintenanceHash(t *testing.T) {
defer testutil.AfterTest(t)
clus := NewClusterV3(t, &ClusterConfig{Size: 1})
defer clus.Terminate(t)

cli := clus.RandClient()
mvc := toGRPC(cli).Maintenance
ctx, cancel := context.WithTimeout(context.Background(), time.Second)

donec := make(chan struct{})
go func() {
defer close(donec)
mvc.Hash(ctx, &pb.HashRequest{}, grpc.FailFast(false))
}()

clus.Members[0].s.HardStop()
cancel()

<-donec
}

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