mirror of
https://github.com/etcd-io/etcd.git
synced 2024-09-27 06:25:44 +00:00
77 lines
2.2 KiB
Go
77 lines
2.2 KiB
Go
// Copyright 2017 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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"testing"
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"time"
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lockpb "github.com/coreos/etcd/etcdserver/api/v3lock/v3lockpb"
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pb "github.com/coreos/etcd/etcdserver/etcdserverpb"
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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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// TestV3LockLockWaiter tests that a client will wait for a lock, then acquire it
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// once it is unlocked.
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func TestV3LockLockWaiter(t *testing.T) {
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defer testutil.AfterTest(t)
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clus := NewClusterV3(t, &ClusterConfig{Size: 1})
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defer clus.Terminate(t)
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lease1, err1 := toGRPC(clus.RandClient()).Lease.LeaseGrant(context.TODO(), &pb.LeaseGrantRequest{TTL: 30})
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if err1 != nil {
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t.Fatal(err1)
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}
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lease2, err2 := toGRPC(clus.RandClient()).Lease.LeaseGrant(context.TODO(), &pb.LeaseGrantRequest{TTL: 30})
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if err2 != nil {
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t.Fatal(err2)
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}
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lc := toGRPC(clus.Client(0)).Lock
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l1, lerr1 := lc.Lock(context.TODO(), &lockpb.LockRequest{Name: []byte("foo"), Lease: lease1.ID})
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if lerr1 != nil {
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t.Fatal(lerr1)
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}
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lockc := make(chan struct{})
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go func() {
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l2, lerr2 := lc.Lock(context.TODO(), &lockpb.LockRequest{Name: []byte("foo"), Lease: lease2.ID})
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if lerr2 != nil {
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t.Fatal(lerr2)
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}
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if l1.Header.Revision >= l2.Header.Revision {
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t.Fatalf("expected l1 revision < l2 revision, got %d >= %d", l1.Header.Revision, l2.Header.Revision)
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}
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close(lockc)
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}()
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select {
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case <-time.After(200 * time.Millisecond):
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case <-lockc:
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t.Fatalf("locked before unlock")
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}
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if _, uerr := lc.Unlock(context.TODO(), &lockpb.UnlockRequest{Key: l1.Key}); uerr != nil {
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t.Fatal(uerr)
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}
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select {
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case <-time.After(200 * time.Millisecond):
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t.Fatalf("waiter did not lock after unlock")
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case <-lockc:
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}
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}
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