/
region_handler_test.go
275 lines (248 loc) · 8.58 KB
/
region_handler_test.go
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// Copyright 2017 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 server
import (
"bytes"
"database/sql"
"encoding/json"
"fmt"
"math"
"net/http"
. "github.com/pingcap/check"
"github.com/pingcap/kvproto/pkg/kvrpcpb"
"github.com/pingcap/tidb"
"github.com/pingcap/tidb/config"
"github.com/pingcap/tidb/store/tikv"
"github.com/pingcap/tidb/store/tikv/mock-tikv"
"github.com/pingcap/tidb/tablecodec"
"github.com/pingcap/tidb/util/codec"
)
type TidbRegionHandlerTestSuite struct {
server *Server
}
var _ = Suite(new(TidbRegionHandlerTestSuite))
func (ts *TidbRegionHandlerTestSuite) TestRegionIndexRange(c *C) {
sTableID := int64(3)
sIndex := int64(11)
eTableID := int64(9)
startKey := codec.EncodeBytes(nil, tablecodec.EncodeTableIndexPrefix(sTableID, sIndex))
endKey := codec.EncodeBytes(nil, tablecodec.GenTableRecordPrefix(eTableID))
region := &tikv.KeyLocation{
Region: tikv.RegionVerID{},
StartKey: startKey,
EndKey: endKey,
}
indexRange, err := NewRegionFrameRange(region)
c.Assert(err, IsNil)
c.Assert(indexRange.firstTableID(), Equals, sTableID)
c.Assert(indexRange.lastTableID(), Equals, eTableID)
c.Assert(indexRange.first.IndexID, Equals, sIndex)
c.Assert(indexRange.first.IsRecord, IsFalse)
c.Assert(indexRange.last.IsRecord, IsTrue)
start, end := indexRange.getIndexRangeForTable(sTableID)
c.Assert(start, Equals, sIndex)
c.Assert(end, Equals, int64(math.MaxInt64))
start, end = indexRange.getIndexRangeForTable(eTableID)
c.Assert(start, Equals, int64(math.MinInt64))
c.Assert(end, Equals, int64(math.MaxInt64))
}
func (ts *TidbRegionHandlerTestSuite) TestRegionIndexRangeWithEndNoLimit(c *C) {
sTableID := int64(15)
eTableID := int64(math.MaxInt64)
startKey := codec.EncodeBytes(nil, tablecodec.GenTableRecordPrefix(sTableID))
endKey := codec.EncodeBytes(nil, []byte("z_aaaaafdfd"))
region := &tikv.KeyLocation{
Region: tikv.RegionVerID{},
StartKey: startKey,
EndKey: endKey,
}
indexRange, err := NewRegionFrameRange(region)
c.Assert(err, IsNil)
c.Assert(indexRange.firstTableID(), Equals, sTableID)
c.Assert(indexRange.lastTableID(), Equals, eTableID)
c.Assert(indexRange.first.IsRecord, IsTrue)
c.Assert(indexRange.last.IsRecord, IsTrue)
start, end := indexRange.getIndexRangeForTable(sTableID)
c.Assert(start, Equals, int64(math.MaxInt64))
c.Assert(end, Equals, int64(math.MaxInt64))
start, end = indexRange.getIndexRangeForTable(eTableID)
c.Assert(start, Equals, int64(math.MinInt64))
c.Assert(end, Equals, int64(math.MaxInt64))
}
func (ts *TidbRegionHandlerTestSuite) TestRegionIndexRangeWithStartNoLimit(c *C) {
sTableID := int64(math.MinInt64)
sIndexID := int64(math.MinInt64)
eTableID := int64(9)
startKey := codec.EncodeBytes(nil, []byte("m_aaaaafdfd"))
endKey := codec.EncodeBytes(nil, tablecodec.GenTableRecordPrefix(eTableID))
region := &tikv.KeyLocation{
Region: tikv.RegionVerID{},
StartKey: startKey,
EndKey: endKey,
}
indexRange, err := NewRegionFrameRange(region)
c.Assert(err, IsNil)
c.Assert(indexRange.firstTableID(), Equals, sTableID)
c.Assert(indexRange.lastTableID(), Equals, eTableID)
c.Assert(indexRange.first.IndexID, Equals, sIndexID)
c.Assert(indexRange.first.IsRecord, IsFalse)
c.Assert(indexRange.last.IsRecord, IsTrue)
start, end := indexRange.getIndexRangeForTable(sTableID)
c.Assert(start, Equals, sIndexID)
c.Assert(end, Equals, int64(math.MaxInt64))
start, end = indexRange.getIndexRangeForTable(eTableID)
c.Assert(start, Equals, int64(math.MinInt64))
c.Assert(end, Equals, int64(math.MaxInt64))
}
func (ts *TidbRegionHandlerTestSuite) TestRegionsAPI(c *C) {
ts.startServer(c)
defer ts.stopServer(c)
resp, err := http.Get("http://127.0.0.1:10090/tables/information_schema/SCHEMATA/regions")
c.Assert(err, IsNil)
c.Assert(resp.StatusCode, Equals, http.StatusOK)
defer resp.Body.Close()
decoder := json.NewDecoder(resp.Body)
var data TableRegions
err = decoder.Decode(&data)
c.Assert(err, IsNil)
c.Assert(len(data.RecordRegions) > 0, IsTrue)
// list region
for _, region := range data.RecordRegions {
c.Assert(regionContainsTable(c, region.ID, data.TableID), IsTrue)
}
}
func regionContainsTable(c *C, regionID uint64, tableID int64) bool {
resp, err := http.Get(fmt.Sprintf("http://127.0.0.1:10090/regions/%d", regionID))
c.Assert(err, IsNil)
c.Assert(resp.StatusCode, Equals, http.StatusOK)
defer resp.Body.Close()
decoder := json.NewDecoder(resp.Body)
var data RegionDetail
err = decoder.Decode(&data)
c.Assert(err, IsNil)
for _, index := range data.Frames {
if index.TableID == tableID {
return true
}
}
return false
}
func (ts *TidbRegionHandlerTestSuite) TestListTableRegionsWithError(c *C) {
ts.startServer(c)
defer ts.stopServer(c)
resp, err := http.Get("http://127.0.0.1:10090/tables/fdsfds/aaa/regions")
c.Assert(err, IsNil)
defer resp.Body.Close()
c.Assert(resp.StatusCode, Equals, http.StatusBadRequest)
}
func (ts *TidbRegionHandlerTestSuite) TestGetRegionByIDWithError(c *C) {
ts.startServer(c)
defer ts.stopServer(c)
resp, err := http.Get(fmt.Sprintf("http://127.0.0.1:10090/regions/xxx"))
c.Assert(err, IsNil)
c.Assert(resp.StatusCode, Equals, http.StatusBadRequest)
defer resp.Body.Close()
}
func (ts *TidbRegionHandlerTestSuite) startServer(c *C) {
mvccStore := mocktikv.NewMvccStore()
store, err := tikv.NewMockTikvStore(tikv.WithMVCCStore(mvccStore))
c.Assert(err, IsNil)
_, err = tidb.BootstrapSession(store)
c.Assert(err, IsNil)
tidbdrv := NewTiDBDriver(store)
cfg := &config.Config{
Port: 4001,
Store: "tikv",
}
cfg.Status.StatusPort = 10090
cfg.Status.ReportStatus = true
server, err := NewServer(cfg, tidbdrv)
c.Assert(err, IsNil)
ts.server = server
go server.Run()
waitUntilServerOnline(cfg.Status.StatusPort)
}
func (ts *TidbRegionHandlerTestSuite) stopServer(c *C) {
if ts.server != nil {
ts.server.Close()
}
}
func (ts *TidbRegionHandlerTestSuite) prepareData(c *C) {
db, err := sql.Open("mysql", getDSN())
c.Assert(err, IsNil, Commentf("Error connecting"))
defer db.Close()
dbt := &DBTest{c, db}
dbt.mustExec("create database tidb;")
dbt.mustExec("use tidb;")
dbt.mustExec("create table tidb.test (a int auto_increment primary key, b int);")
dbt.mustExec("insert tidb.test values (1, 1);")
txn1, err := dbt.db.Begin()
c.Assert(err, IsNil)
_, err = txn1.Exec("update tidb.test set b = b + 1 where a = 1;")
c.Assert(err, IsNil)
_, err = txn1.Exec("insert tidb.test values (2,2);")
c.Assert(err, IsNil)
err = txn1.Commit()
c.Assert(err, IsNil)
}
func (ts *TidbRegionHandlerTestSuite) TestGetMvcc(c *C) {
ts.startServer(c)
ts.prepareData(c)
defer ts.stopServer(c)
resp, err := http.Get(fmt.Sprintf("http://127.0.0.1:10090/mvcc/key/tidb/test/1"))
c.Assert(err, IsNil)
decoder := json.NewDecoder(resp.Body)
var data kvrpcpb.MvccGetByKeyResponse
err = decoder.Decode(&data)
c.Assert(err, IsNil)
c.Assert(data.Info, NotNil)
c.Assert(len(data.Info.Writes), Greater, 0)
startTs := data.Info.Writes[0].StartTs
resp, err = http.Get(fmt.Sprintf("http://127.0.0.1:10090/mvcc/txn/%d", startTs))
c.Assert(err, IsNil)
var p1 kvrpcpb.MvccGetByStartTsResponse
decoder = json.NewDecoder(resp.Body)
err = decoder.Decode(&p1)
c.Assert(err, IsNil)
resp, err = http.Get(fmt.Sprintf("http://127.0.0.1:10090/mvcc/txn/%d/tidb/test", startTs))
c.Assert(err, IsNil)
var p2 kvrpcpb.MvccGetByStartTsResponse
decoder = json.NewDecoder(resp.Body)
err = decoder.Decode(&p2)
c.Assert(err, IsNil)
for id, expect := range data.Info.Values {
v1 := p1.Info.Values[id].Value
v2 := p2.Info.Values[id].Value
c.Assert(bytes.Equal(v1, expect.Value), IsTrue)
c.Assert(bytes.Equal(v2, expect.Value), IsTrue)
}
}
func (ts *TidbRegionHandlerTestSuite) TestGetMvccNotFound(c *C) {
ts.startServer(c)
ts.prepareData(c)
defer ts.stopServer(c)
resp, err := http.Get(fmt.Sprintf("http://127.0.0.1:10090/mvcc/key/tidb/test/1234"))
c.Assert(err, IsNil)
decoder := json.NewDecoder(resp.Body)
var data kvrpcpb.MvccGetByKeyResponse
err = decoder.Decode(&data)
c.Assert(err, IsNil)
c.Assert(data.Info, IsNil)
resp, err = http.Get(fmt.Sprintf("http://127.0.0.1:10090/mvcc/txn/0"))
c.Assert(err, IsNil)
var p kvrpcpb.MvccGetByStartTsResponse
decoder = json.NewDecoder(resp.Body)
err = decoder.Decode(&p)
c.Assert(err, IsNil)
c.Assert(p.Info, IsNil)
}