133 lines
3.2 KiB
Go
133 lines
3.2 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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"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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)
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func TestTxnWriteFail(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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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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resp, err := kv.Txn().Then(clientv3.OpPut("foo", "bar", 0)).Commit()
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if err == nil {
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t.Fatalf("expected error, got response %v", resp)
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}
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donec <- struct{}{}
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}()
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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 txn to fail")
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case <-donec:
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// don't restart cluster until txn errors out
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}
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go func() {
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// reconnect so terminate doesn't complain about double-close
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clus.Members[0].Restart(t)
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// wait for etcdserver to get established (CI races and get req times out)
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time.Sleep(2 * time.Second)
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donec <- struct{}{}
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// and ensure the put didn't take
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gresp, gerr := kv.Get("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("expected no keys, got %v", gresp.Kvs)
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}
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donec <- struct{}{}
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}()
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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 restart")
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case <-donec:
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}
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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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func TestTxnReadRetry(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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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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_, err := kv.Txn().Then(clientv3.OpGet("foo")).Commit()
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if err != nil {
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t.Fatalf("expected response, got error %v", err)
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}
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donec <- struct{}{}
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}()
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// wait for txn to fail on disconnect
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time.Sleep(100 * time.Millisecond)
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// restart node; client should resume
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clus.Members[0].Restart(t)
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select {
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case <-donec:
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case <-time.After(5 * time.Second):
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t.Fatalf("waited too long")
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}
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}
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func TestTxnSuccess(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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_, err := kv.Txn().Then(clientv3.OpPut("foo", "bar", 0)).Commit()
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if err != nil {
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t.Fatal(err)
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}
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resp, err := kv.Get("foo")
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if err != nil {
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t.Fatal(err)
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}
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if len(resp.Kvs) != 1 || string(resp.Kvs[0].Key) != "foo" {
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t.Fatalf("unexpected Get response %v", resp)
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}
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}
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