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// Copyright 2015 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 ddl
import (
"context"
"time"
. "github.com/pingcap/check"
"github.com/pingcap/parser/model"
"github.com/pingcap/tidb/util/mock"
)
var _ = Suite(&testStatSuite{})
type testStatSuite struct {
}
func (s *testStatSuite) SetUpSuite(c *C) {
}
func (s *testStatSuite) TearDownSuite(c *C) {
}
func (s *testStatSuite) getDDLSchemaVer(c *C, d *ddl) int64 {
m, err := d.Stats(nil)
c.Assert(err, IsNil)
v := m[ddlSchemaVersion]
return v.(int64)
}
func (s *testStatSuite) TestStat(c *C) {
store := testCreateStore(c, "test_stat")
defer store.Close()
d := testNewDDLAndStart(
context.Background(),
c,
WithStore(store),
WithLease(testLease),
)
defer d.Stop()
dbInfo := testSchemaInfo(c, d, "test")
testCreateSchema(c, testNewContext(d), d, dbInfo)
// TODO: Get this information from etcd.
// m, err := d.Stats(nil)
// c.Assert(err, IsNil)
// c.Assert(m[ddlOwnerID], Equals, d.uuid)
job := &model.Job{
SchemaID: dbInfo.ID,
Type: model.ActionDropSchema,
BinlogInfo: &model.HistoryInfo{},
Args: []interface{}{dbInfo.Name},
}
ctx := mock.NewContext()
ctx.Store = store
done := make(chan error, 1)
go func() {
done <- d.doDDLJob(ctx, job)
}()
ticker := time.NewTicker(d.lease * 1)
defer ticker.Stop()
ver := s.getDDLSchemaVer(c, d)
LOOP:
for {
select {
case <-ticker.C:
d.Stop()
c.Assert(s.getDDLSchemaVer(c, d), GreaterEqual, ver)
d.restartWorkers(context.Background())
time.Sleep(time.Millisecond * 20)
case err := <-done:
c.Assert(err, IsNil)
// TODO: Get this information from etcd.
// m, err := d.Stats(nil)
// c.Assert(err, IsNil)
break LOOP
}
}
}