mirror of
https://github.com/etcd-io/etcd.git
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da5bd04a1a
The integration tests under clientv3 have superflous LeaseID casts that are not needed as the ID field of the lease responses are of type LeaseID now.
483 lines
13 KiB
Go
483 lines
13 KiB
Go
// Copyright 2016 CoreOS, Inc.
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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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"bytes"
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"reflect"
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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/etcdserver/api/v3rpc/rpctypes"
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"github.com/coreos/etcd/integration"
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"github.com/coreos/etcd/pkg/testutil"
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"github.com/coreos/etcd/storage/storagepb"
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"golang.org/x/net/context"
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)
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func TestKVPut(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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lapi := clientv3.NewLease(clus.RandClient())
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defer lapi.Close()
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kv := clientv3.NewKV(clus.RandClient())
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ctx := context.TODO()
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resp, err := lapi.Grant(context.Background(), 10)
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if err != nil {
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t.Fatalf("failed to create lease %v", err)
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}
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tests := []struct {
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key, val string
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leaseID clientv3.LeaseID
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}{
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{"foo", "bar", clientv3.NoLease},
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{"hello", "world", resp.ID},
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}
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for i, tt := range tests {
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if _, err := kv.Put(ctx, tt.key, tt.val, clientv3.WithLease(tt.leaseID)); err != nil {
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t.Fatalf("#%d: couldn't put %q (%v)", i, tt.key, err)
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}
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resp, err := kv.Get(ctx, tt.key)
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if err != nil {
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t.Fatalf("#%d: couldn't get key (%v)", i, err)
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}
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if len(resp.Kvs) != 1 {
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t.Fatalf("#%d: expected 1 key, got %d", i, len(resp.Kvs))
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}
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if !bytes.Equal([]byte(tt.val), resp.Kvs[0].Value) {
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t.Errorf("#%d: val = %s, want %s", i, tt.val, resp.Kvs[0].Value)
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}
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if tt.leaseID != clientv3.LeaseID(resp.Kvs[0].Lease) {
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t.Errorf("#%d: val = %d, want %d", i, tt.leaseID, resp.Kvs[0].Lease)
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}
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}
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}
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func TestKVRange(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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kv := clientv3.NewKV(clus.RandClient())
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ctx := context.TODO()
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keySet := []string{"a", "b", "c", "c", "c", "foo", "foo/abc", "fop"}
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for i, key := range keySet {
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if _, err := kv.Put(ctx, key, ""); err != nil {
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t.Fatalf("#%d: couldn't put %q (%v)", i, key, err)
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}
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}
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resp, err := kv.Get(ctx, keySet[0])
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if err != nil {
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t.Fatalf("couldn't get key (%v)", err)
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}
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wheader := resp.Header
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tests := []struct {
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begin, end string
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rev int64
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opts []clientv3.OpOption
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wantSet []*storagepb.KeyValue
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}{
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// range first two
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{
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"a", "c",
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0,
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nil,
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[]*storagepb.KeyValue{
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{Key: []byte("a"), Value: nil, CreateRevision: 2, ModRevision: 2, Version: 1},
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{Key: []byte("b"), Value: nil, CreateRevision: 3, ModRevision: 3, Version: 1},
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},
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},
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// range first two with serializable
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{
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"a", "c",
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0,
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[]clientv3.OpOption{clientv3.WithSerializable()},
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[]*storagepb.KeyValue{
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{Key: []byte("a"), Value: nil, CreateRevision: 2, ModRevision: 2, Version: 1},
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{Key: []byte("b"), Value: nil, CreateRevision: 3, ModRevision: 3, Version: 1},
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},
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},
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// range all with rev
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{
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"a", "x",
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2,
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nil,
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[]*storagepb.KeyValue{
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{Key: []byte("a"), Value: nil, CreateRevision: 2, ModRevision: 2, Version: 1},
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},
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},
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// range all with SortByKey, SortAscend
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{
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"a", "x",
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0,
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[]clientv3.OpOption{clientv3.WithSort(clientv3.SortByKey, clientv3.SortAscend)},
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[]*storagepb.KeyValue{
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{Key: []byte("a"), Value: nil, CreateRevision: 2, ModRevision: 2, Version: 1},
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{Key: []byte("b"), Value: nil, CreateRevision: 3, ModRevision: 3, Version: 1},
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{Key: []byte("c"), Value: nil, CreateRevision: 4, ModRevision: 6, Version: 3},
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{Key: []byte("foo"), Value: nil, CreateRevision: 7, ModRevision: 7, Version: 1},
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{Key: []byte("foo/abc"), Value: nil, CreateRevision: 8, ModRevision: 8, Version: 1},
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{Key: []byte("fop"), Value: nil, CreateRevision: 9, ModRevision: 9, Version: 1},
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},
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},
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// range all with SortByCreateRevision, SortDescend
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{
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"a", "x",
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0,
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[]clientv3.OpOption{clientv3.WithSort(clientv3.SortByCreateRevision, clientv3.SortDescend)},
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[]*storagepb.KeyValue{
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{Key: []byte("fop"), Value: nil, CreateRevision: 9, ModRevision: 9, Version: 1},
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{Key: []byte("foo/abc"), Value: nil, CreateRevision: 8, ModRevision: 8, Version: 1},
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{Key: []byte("foo"), Value: nil, CreateRevision: 7, ModRevision: 7, Version: 1},
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{Key: []byte("c"), Value: nil, CreateRevision: 4, ModRevision: 6, Version: 3},
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{Key: []byte("b"), Value: nil, CreateRevision: 3, ModRevision: 3, Version: 1},
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{Key: []byte("a"), Value: nil, CreateRevision: 2, ModRevision: 2, Version: 1},
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},
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},
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// range all with SortByModRevision, SortDescend
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{
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"a", "x",
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0,
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[]clientv3.OpOption{clientv3.WithSort(clientv3.SortByModRevision, clientv3.SortDescend)},
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[]*storagepb.KeyValue{
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{Key: []byte("fop"), Value: nil, CreateRevision: 9, ModRevision: 9, Version: 1},
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{Key: []byte("foo/abc"), Value: nil, CreateRevision: 8, ModRevision: 8, Version: 1},
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{Key: []byte("foo"), Value: nil, CreateRevision: 7, ModRevision: 7, Version: 1},
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{Key: []byte("c"), Value: nil, CreateRevision: 4, ModRevision: 6, Version: 3},
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{Key: []byte("b"), Value: nil, CreateRevision: 3, ModRevision: 3, Version: 1},
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{Key: []byte("a"), Value: nil, CreateRevision: 2, ModRevision: 2, Version: 1},
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},
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},
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// WithPrefix
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{
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"foo", "",
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0,
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[]clientv3.OpOption{clientv3.WithPrefix()},
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[]*storagepb.KeyValue{
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{Key: []byte("foo"), Value: nil, CreateRevision: 7, ModRevision: 7, Version: 1},
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{Key: []byte("foo/abc"), Value: nil, CreateRevision: 8, ModRevision: 8, Version: 1},
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},
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},
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// WithFromKey
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{
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"fo", "",
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0,
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[]clientv3.OpOption{clientv3.WithFromKey()},
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[]*storagepb.KeyValue{
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{Key: []byte("foo"), Value: nil, CreateRevision: 7, ModRevision: 7, Version: 1},
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{Key: []byte("foo/abc"), Value: nil, CreateRevision: 8, ModRevision: 8, Version: 1},
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{Key: []byte("fop"), Value: nil, CreateRevision: 9, ModRevision: 9, Version: 1},
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},
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},
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}
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for i, tt := range tests {
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opts := []clientv3.OpOption{clientv3.WithRange(tt.end), clientv3.WithRev(tt.rev)}
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opts = append(opts, tt.opts...)
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resp, err := kv.Get(ctx, tt.begin, opts...)
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if err != nil {
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t.Fatalf("#%d: couldn't range (%v)", i, err)
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}
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if !reflect.DeepEqual(wheader, resp.Header) {
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t.Fatalf("#%d: wheader expected %+v, got %+v", i, wheader, resp.Header)
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}
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if !reflect.DeepEqual(tt.wantSet, resp.Kvs) {
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t.Fatalf("#%d: resp.Kvs expected %+v, got %+v", i, tt.wantSet, resp.Kvs)
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}
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}
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}
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func TestKVDeleteRange(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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kv := clientv3.NewKV(clus.RandClient())
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ctx := context.TODO()
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tests := []struct {
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key string
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opts []clientv3.OpOption
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wkeys []string
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}{
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// [a, c)
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{
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key: "a",
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opts: []clientv3.OpOption{clientv3.WithRange("c")},
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wkeys: []string{"c", "c/abc", "d"},
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},
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// >= c
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{
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key: "c",
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opts: []clientv3.OpOption{clientv3.WithFromKey()},
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wkeys: []string{"a", "b"},
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},
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// c*
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{
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key: "c",
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opts: []clientv3.OpOption{clientv3.WithPrefix()},
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wkeys: []string{"a", "b", "d"},
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},
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// *
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{
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key: "\x00",
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opts: []clientv3.OpOption{clientv3.WithFromKey()},
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wkeys: []string{},
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},
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}
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for i, tt := range tests {
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keySet := []string{"a", "b", "c", "c/abc", "d"}
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for j, key := range keySet {
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if _, err := kv.Put(ctx, key, ""); err != nil {
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t.Fatalf("#%d: couldn't put %q (%v)", j, key, err)
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}
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}
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_, err := kv.Delete(ctx, tt.key, tt.opts...)
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if err != nil {
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t.Fatalf("#%d: couldn't delete range (%v)", i, err)
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}
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resp, err := kv.Get(ctx, "a", clientv3.WithFromKey())
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if err != nil {
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t.Fatalf("#%d: couldn't get keys (%v)", i, err)
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}
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keys := []string{}
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for _, kv := range resp.Kvs {
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keys = append(keys, string(kv.Key))
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}
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if !reflect.DeepEqual(tt.wkeys, keys) {
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t.Errorf("#%d: resp.Kvs got %v, expected %v", i, keys, tt.wkeys)
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}
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}
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}
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func TestKVDelete(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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kv := clientv3.NewKV(clus.RandClient())
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ctx := context.TODO()
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presp, err := kv.Put(ctx, "foo", "")
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if err != nil {
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t.Fatalf("couldn't put 'foo' (%v)", err)
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}
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if presp.Header.Revision != 2 {
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t.Fatalf("presp.Header.Revision got %d, want %d", presp.Header.Revision, 2)
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}
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resp, err := kv.Delete(ctx, "foo")
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if err != nil {
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t.Fatalf("couldn't delete key (%v)", err)
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}
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if resp.Header.Revision != 3 {
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t.Fatalf("resp.Header.Revision got %d, want %d", resp.Header.Revision, 3)
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}
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gresp, err := kv.Get(ctx, "foo")
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if err != nil {
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t.Fatalf("couldn't get key (%v)", err)
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}
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if len(gresp.Kvs) > 0 {
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t.Fatalf("gresp.Kvs got %+v, want none", gresp.Kvs)
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}
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}
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func TestKVCompact(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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kv := clientv3.NewKV(clus.RandClient())
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ctx := context.TODO()
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for i := 0; i < 10; i++ {
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if _, err := kv.Put(ctx, "foo", "bar"); err != nil {
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t.Fatalf("couldn't put 'foo' (%v)", err)
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}
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}
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err := kv.Compact(ctx, 7)
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if err != nil {
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t.Fatalf("couldn't compact kv space (%v)", err)
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}
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err = kv.Compact(ctx, 7)
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if err == nil || err != rpctypes.ErrCompacted {
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t.Fatalf("error got %v, want %v", err, rpctypes.ErrFutureRev)
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}
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wcli := clus.RandClient()
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// new watcher could precede receiving the compaction without quorum first
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wcli.Get(ctx, "quorum-get")
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wc := clientv3.NewWatcher(wcli)
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defer wc.Close()
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wchan := wc.Watch(ctx, "foo", clientv3.WithRev(3))
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if wr := <-wchan; wr.CompactRevision != 7 {
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t.Fatalf("wchan CompactRevision got %v, want 7", wr.CompactRevision)
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}
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if wr, ok := <-wchan; ok {
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t.Fatalf("wchan got %v, expected closed", wr)
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}
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err = kv.Compact(ctx, 1000)
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if err == nil || err != rpctypes.ErrFutureRev {
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t.Fatalf("error got %v, want %v", err, rpctypes.ErrFutureRev)
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}
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}
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// TestKVGetRetry ensures get will retry on disconnect.
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func TestKVGetRetry(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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kv := clientv3.NewKV(clus.Client(0))
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ctx := context.TODO()
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if _, err := kv.Put(ctx, "foo", "bar"); err != nil {
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t.Fatal(err)
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}
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clus.Members[0].Stop(t)
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<-clus.Members[0].StopNotify()
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donec := make(chan struct{})
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go func() {
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// Get will fail, but reconnect will trigger
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gresp, gerr := kv.Get(ctx, "foo")
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if gerr != nil {
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t.Fatal(gerr)
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}
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wkvs := []*storagepb.KeyValue{
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{
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Key: []byte("foo"),
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Value: []byte("bar"),
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CreateRevision: 2,
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ModRevision: 2,
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Version: 1,
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},
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}
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if !reflect.DeepEqual(gresp.Kvs, wkvs) {
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t.Fatalf("bad get: got %v, want %v", gresp.Kvs, wkvs)
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}
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donec <- struct{}{}
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}()
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time.Sleep(100 * time.Millisecond)
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clus.Members[0].Restart(t)
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select {
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case <-time.After(5 * time.Second):
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t.Fatalf("timed out waiting for get")
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case <-donec:
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}
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}
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// TestKVPutFailGetRetry ensures a get will retry following a failed put.
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func TestKVPutFailGetRetry(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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kv := clientv3.NewKV(clus.Client(0))
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ctx := context.TODO()
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clus.Members[0].Stop(t)
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<-clus.Members[0].StopNotify()
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_, err := kv.Put(ctx, "foo", "bar")
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if err == nil {
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t.Fatalf("got success on disconnected put, wanted error")
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}
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donec := make(chan struct{})
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go func() {
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// Get will fail, but reconnect will trigger
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gresp, gerr := kv.Get(ctx, "foo")
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if gerr != nil {
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t.Fatal(gerr)
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}
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if len(gresp.Kvs) != 0 {
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t.Fatalf("bad get kvs: got %+v, want empty", gresp.Kvs)
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}
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donec <- struct{}{}
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}()
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time.Sleep(100 * time.Millisecond)
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clus.Members[0].Restart(t)
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select {
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case <-time.After(5 * time.Second):
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t.Fatalf("timed out waiting for get")
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case <-donec:
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}
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}
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// TestKVGetCancel tests that a context cancel on a Get terminates as expected.
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func TestKVGetCancel(t *testing.T) {
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defer testutil.AfterTest(t)
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clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 1})
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defer clus.Terminate(t)
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oldconn := clus.Client(0).ActiveConnection()
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kv := clientv3.NewKV(clus.Client(0))
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ctx, cancel := context.WithCancel(context.TODO())
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cancel()
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resp, err := kv.Get(ctx, "abc")
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if err == nil {
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t.Fatalf("cancel on get response %v, expected context error", resp)
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}
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newconn := clus.Client(0).ActiveConnection()
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if oldconn != newconn {
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t.Fatalf("cancel on get broke client connection")
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}
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}
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