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ddl_exec_info_test.go
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// Copyright 2019 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.
package syncer
import (
"context"
"sync"
"time"
. "github.com/pingcap/check"
"github.com/pingcap/dm/dm/pb"
)
var _ = Suite(&testDDLExecInfoSuite{})
type testDDLExecInfoSuite struct{}
func (t *testDDLExecInfoSuite) TestDDLExecItem(c *C) {
ddlExecInfo := NewDDLExecInfo()
c.Assert(ddlExecInfo.status.Get(), Equals, ddlExecIdle)
ddlExecInfo.Renew()
c.Assert(ddlExecInfo.status.Get(), Equals, ddlExecIdle)
ddls := []string{"create database test"}
var wg sync.WaitGroup
wg.Add(1)
go func() {
defer wg.Done()
select {
case <-ddlExecInfo.Chan(ddls):
case <-time.After(time.Second):
c.Fatal("timeout")
}
}()
for i := 0; i < 3; i++ {
if len(ddlExecInfo.BlockingDDLs()) == 0 {
time.Sleep(100 * time.Millisecond)
continue
}
break
}
c.Assert(ddlExecInfo.BlockingDDLs(), DeepEquals, ddls)
ddlExecInfo.ClearBlockingDDL()
c.Assert(ddlExecInfo.BlockingDDLs(), IsNil)
ctx, cancel := context.WithTimeout(context.Background(), time.Second)
defer cancel()
err := ddlExecInfo.Send(ctx, newDDLExecItem(new(pb.ExecDDLRequest)))
c.Assert(err, IsNil)
c.Assert(ddlExecInfo.status.Get(), Equals, ddlExecIdle)
ddlExecInfo.Close()
c.Assert(ddlExecInfo.status.Get(), Equals, ddlExecClosed)
ddlExecInfo.Renew()
c.Assert(ddlExecInfo.status.Get(), Equals, ddlExecIdle)
wg.Wait()
}