// Copyright 2018 PingCAP, Inc. // // 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, // See the License for the specific language governing permissions and // limitations under the License. //go:build !windows // +build !windows package owner import ( "context" "math" "net" "os" "sync" "testing" "time" . "github.com/pingcap/check" "github.com/pingcap/failpoint" "github.com/pingcap/parser/terror" "github.com/pingcap/tidb/util/logutil" "github.com/pingcap/tidb/util/testleak" "go.etcd.io/etcd/clientv3" "google.golang.org/grpc" ) // Ignore this test on the windows platform, because calling unix socket with address in // host:port format fails on windows. func TestT(t *testing.T) { CustomVerboseFlag = true logLevel := os.Getenv("log_level") logutil.InitLogger(logutil.NewLogConfig(logLevel, "", "", logutil.EmptyFileLogConfig, false)) TestingT(t) } var _ = Suite(&testSuite{}) type testSuite struct { } func (s *testSuite) SetUpSuite(c *C) { } func (s *testSuite) TearDownSuite(c *C) { } var ( endpoints = []string{"unix://new_session:12379"} dialTimeout = 5 * time.Second retryCnt = int(math.MaxInt32) ) func (s *testSuite) TestFailNewSession(c *C) { ln, err := net.Listen("unix", "new_session:12379") c.Assert(err, IsNil) srv := grpc.NewServer(grpc.ConnectionTimeout(time.Minute)) var stop sync.WaitGroup stop.Add(1) go func() { if err = srv.Serve(ln); err != nil { c.Errorf("can't serve gRPC requests %v", err) } stop.Done() }() leakFunc := testleak.AfterTest(c) defer func() { srv.Stop() stop.Wait() leakFunc() }() func() { cli, err := clientv3.New(clientv3.Config{ Endpoints: endpoints, DialTimeout: dialTimeout, }) c.Assert(err, IsNil) defer func() { if cli != nil { cli.Close() } c.Assert(failpoint.Disable("github.com/pingcap/tidb/owner/closeClient"), IsNil) }() c.Assert(failpoint.Enable("github.com/pingcap/tidb/owner/closeClient", `return(true)`), IsNil) _, err = NewSession(context.Background(), "fail_new_serssion", cli, retryCnt, ManagerSessionTTL) isContextDone := terror.ErrorEqual(grpc.ErrClientConnClosing, err) || terror.ErrorEqual(context.Canceled, err) c.Assert(isContextDone, IsTrue, Commentf("err %v", err)) }() func() { cli, err := clientv3.New(clientv3.Config{ Endpoints: endpoints, DialTimeout: dialTimeout, }) c.Assert(err, IsNil) defer func() { if cli != nil { cli.Close() } c.Assert(failpoint.Disable("github.com/pingcap/tidb/owner/closeGrpc"), IsNil) }() c.Assert(failpoint.Enable("github.com/pingcap/tidb/owner/closeGrpc", `return(true)`), IsNil) _, err = NewSession(context.Background(), "fail_new_serssion", cli, retryCnt, ManagerSessionTTL) isContextDone := terror.ErrorEqual(grpc.ErrClientConnClosing, err) || terror.ErrorEqual(context.Canceled, err) c.Assert(isContextDone, IsTrue, Commentf("err %v", err)) }() }