Files
tidb/tidb_test.go
2016-04-26 04:53:38 -05:00

399 lines
11 KiB
Go

// 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 tidb
import (
"flag"
"fmt"
"net/url"
"os"
"runtime"
"sync"
"testing"
"time"
"github.com/juju/errors"
"github.com/ngaut/log"
. "github.com/pingcap/check"
"github.com/pingcap/tidb/ast"
"github.com/pingcap/tidb/kv"
"github.com/pingcap/tidb/util/testleak"
"github.com/pingcap/tidb/util/types"
)
var store = flag.String("store", "memory", "registered store name, [memory, goleveldb, boltdb]")
func TestT(t *testing.T) {
TestingT(t)
}
var _ = Suite(&testMainSuite{})
type testMainSuite struct {
dbName string
createDBSQL string
dropDBSQL string
useDBSQL string
createTableSQL string
selectSQL string
}
type brokenStore struct{}
func (s *brokenStore) Open(schema string) (kv.Storage, error) {
return nil, errors.New("try again later")
}
func (s *testMainSuite) SetUpSuite(c *C) {
testleak.BeforeTest()
s.dbName = "test_main_db"
s.createDBSQL = fmt.Sprintf("create database if not exists %s;", s.dbName)
s.dropDBSQL = fmt.Sprintf("drop database %s;", s.dbName)
s.useDBSQL = fmt.Sprintf("use %s;", s.dbName)
s.createTableSQL = `
CREATE TABLE tbl_test(id INT NOT NULL DEFAULT 1, name varchar(255), PRIMARY KEY(id));
CREATE TABLE tbl_test1(id INT NOT NULL DEFAULT 2, name varchar(255), PRIMARY KEY(id), INDEX name(name));
CREATE TABLE tbl_test2(id INT NOT NULL DEFAULT 3, name varchar(255), PRIMARY KEY(id));`
s.selectSQL = `SELECT * from tbl_test;`
runtime.GOMAXPROCS(runtime.NumCPU())
log.SetLevelByString("error")
}
func (s *testMainSuite) TearDownSuite(c *C) {
defer testleak.AfterTest(c)()
removeStore(c, s.dbName)
}
func checkResult(c *C, se Session, affectedRows uint64, insertID uint64) {
gotRows := se.AffectedRows()
c.Assert(gotRows, Equals, affectedRows)
gotID := se.LastInsertID()
c.Assert(gotID, Equals, insertID)
}
func (s *testMainSuite) TestConcurrent(c *C) {
dbName := "test_concurrent_db"
defer removeStore(c, dbName)
store := newStore(c, dbName)
se := newSession(c, store, dbName)
defer store.Close()
// create db
createDBSQL := fmt.Sprintf("create database if not exists %s;", dbName)
dropDBSQL := fmt.Sprintf("drop database %s;", dbName)
useDBSQL := fmt.Sprintf("use %s;", dbName)
createTableSQL := ` CREATE TABLE test(id INT NOT NULL DEFAULT 1, name varchar(255), PRIMARY KEY(id)); `
mustExecSQL(c, se, dropDBSQL)
mustExecSQL(c, se, createDBSQL)
mustExecSQL(c, se, useDBSQL)
mustExecSQL(c, se, createTableSQL)
wg := &sync.WaitGroup{}
f := func(start, count int) {
sess := newSession(c, store, dbName)
for i := 0; i < count; i++ {
// insert data
mustExecSQL(c, sess, fmt.Sprintf(`INSERT INTO test VALUES (%d, "hello");`, start+i))
}
wg.Done()
}
step := 10
for i := 0; i < step; i++ {
wg.Add(1)
go f(i*step, step)
}
wg.Wait()
mustExecSQL(c, se, dropDBSQL)
}
func (s *testMainSuite) TestTableInfoMeta(c *C) {
store := newStore(c, s.dbName)
se := newSession(c, store, s.dbName)
defer store.Close()
// create db
mustExecSQL(c, se, s.createDBSQL)
// use db
mustExecSQL(c, se, s.useDBSQL)
// create table
mustExecSQL(c, se, s.createTableSQL)
// insert data
mustExecSQL(c, se, `INSERT INTO tbl_test VALUES (1, "hello");`)
checkResult(c, se, 1, 0)
mustExecSQL(c, se, `INSERT INTO tbl_test VALUES (2, "hello");`)
checkResult(c, se, 1, 0)
mustExecSQL(c, se, `UPDATE tbl_test SET name = "abc" where id = 2;`)
checkResult(c, se, 1, 0)
mustExecSQL(c, se, `DELETE from tbl_test where id = 2;`)
checkResult(c, se, 1, 0)
// select data
mustExecMatch(c, se, s.selectSQL, [][]interface{}{{1, []byte("hello")}})
// drop db
mustExecSQL(c, se, s.dropDBSQL)
}
func (s *testMainSuite) TestInfoSchema(c *C) {
store := newStore(c, s.dbName)
se := newSession(c, store, s.dbName)
rs := mustExecSQL(c, se, "SELECT CHARACTER_SET_NAME FROM INFORMATION_SCHEMA.CHARACTER_SETS WHERE CHARACTER_SET_NAME = 'utf8mb4'")
row, err := rs.Next()
c.Assert(err, IsNil)
match(c, row.Data, "utf8mb4")
err = store.Close()
c.Assert(err, IsNil)
}
func (s *testMainSuite) TestCaseInsensitive(c *C) {
store := newStore(c, s.dbName)
se := newSession(c, store, s.dbName)
defer store.Close()
mustExecSQL(c, se, "create table T (a text, B int)")
mustExecSQL(c, se, "insert t (A, b) values ('aaa', 1)")
rs := mustExecSQL(c, se, "select * from t")
fields, err := rs.Fields()
c.Assert(err, IsNil)
c.Assert(fields[0].ColumnAsName.O, Equals, "a")
c.Assert(fields[1].ColumnAsName.O, Equals, "B")
rs = mustExecSQL(c, se, "select A, b from t")
fields, err = rs.Fields()
c.Assert(err, IsNil)
c.Assert(fields[0].ColumnAsName.O, Equals, "A")
c.Assert(fields[1].ColumnAsName.O, Equals, "b")
mustExecSQL(c, se, "update T set b = B + 1")
mustExecSQL(c, se, "update T set B = b + 1")
rs = mustExecSQL(c, se, "select b from T")
rows, err := GetRows(rs)
c.Assert(err, IsNil)
match(c, rows[0], 3)
mustExecSQL(c, se, s.dropDBSQL)
err = store.Close()
c.Assert(err, IsNil)
}
// Testcase for delete panic
func (s *testMainSuite) TestDeletePanic(c *C) {
store := newStore(c, s.dbName)
se := newSession(c, store, s.dbName)
defer store.Close()
mustExecSQL(c, se, "create table t (c int)")
mustExecSQL(c, se, "insert into t values (1), (2), (3)")
mustExecSQL(c, se, "delete from `t` where `c` = ?", 1)
rs := mustExecSQL(c, se, "delete from `t` where `c` = ?", 2)
c.Assert(rs, IsNil)
}
// Testcase for arg type.
func (s *testMainSuite) TestCheckArgs(c *C) {
store := newStore(c, s.dbName)
se := newSession(c, store, s.dbName)
defer store.Close()
mustExecSQL(c, se, "create table if not exists t (c datetime)")
mustExecSQL(c, se, "insert t values (?)", time.Now())
mustExecSQL(c, se, "drop table t")
checkArgs(nil, true, false, int8(1), int16(1), int32(1), int64(1), 1,
uint8(1), uint16(1), uint32(1), uint64(1), uint(1), float32(1), float64(1),
"abc", []byte("abc"), time.Now(), time.Hour, time.Local)
}
func (s *testMainSuite) TestIsQuery(c *C) {
tbl := []struct {
sql string
ok bool
}{
{"/*comment*/ select 1;", true},
{"/*comment*/ /*comment*/ select 1;", true},
{"select /*comment*/ 1 /*comment*/;", true},
{"(select /*comment*/ 1 /*comment*/);", true},
}
for _, t := range tbl {
c.Assert(IsQuery(t.sql), Equals, t.ok, Commentf(t.sql))
}
}
func (s *testMainSuite) TestTrimSQL(c *C) {
tbl := []struct {
sql string
target string
}{
{"/*comment*/ select 1; ", "select 1;"},
{"/*comment*/ /*comment*/ select 1;", "select 1;"},
{"select /*comment*/ 1 /*comment*/;", "select /*comment*/ 1 /*comment*/;"},
{"/*comment select 1; ", "/*comment select 1;"},
}
for _, t := range tbl {
c.Assert(trimSQL(t.sql), Equals, t.target, Commentf(t.sql))
}
}
func (s *testMainSuite) TestRetryOpenStore(c *C) {
begin := time.Now()
RegisterStore("dummy", &brokenStore{})
_, err := newStoreWithRetry("dummy://dummy-store", 3)
c.Assert(err, NotNil)
elapse := time.Since(begin)
c.Assert(uint64(elapse), GreaterEqual, uint64(3*time.Second))
}
func (s *testMainSuite) TestParseDSN(c *C) {
tbl := []struct {
dsn string
ok bool
storeDSN string
dbName string
}{
{"s://path/db", true, "s://path", "db"},
{"s://path/db/", true, "s://path", "db"},
{"s:///path/db", true, "s:///path", "db"},
{"s:///path/db/", true, "s:///path", "db"},
{"s://zk1,zk2/tbl/db", true, "s://zk1,zk2/tbl", "db"},
{"s://zk1:80,zk2:81/tbl/db", true, "s://zk1:80,zk2:81/tbl", "db"},
{"s://path/db?p=v", true, "s://path?p=v", "db"},
{"s:///path/db?p1=v1&p2=v2", true, "s:///path?p1=v1&p2=v2", "db"},
{"s://z,k,zk/tbl/db?p=v", true, "s://z,k,zk/tbl?p=v", "db"},
{"", false, "", ""},
{"/", false, "", ""},
{"s://", false, "", ""},
{"s:///", false, "", ""},
{"s:///db", false, "", ""},
}
for _, t := range tbl {
params, err := parseDriverDSN(t.dsn)
if t.ok {
c.Assert(err, IsNil, Commentf("dsn=%v", t.dsn))
c.Assert(params.storePath, Equals, t.storeDSN, Commentf("dsn=%v", t.dsn))
c.Assert(params.dbName, Equals, t.dbName, Commentf("dsn=%v", t.dsn))
_, err = url.Parse(params.storePath)
c.Assert(err, IsNil, Commentf("dsn=%v", t.dsn))
} else {
c.Assert(err, NotNil, Commentf("dsn=%v", t.dsn))
}
}
}
func (s *testMainSuite) TestTPS(c *C) {
store := newStore(c, s.dbName)
se := newSession(c, store, s.dbName)
defer store.Close()
mustExecSQL(c, se, "set @@autocommit=0;")
for i := 1; i < 6; i++ {
for j := 0; j < 5; j++ {
for k := 0; k < i; k++ {
mustExecSQL(c, se, "begin;")
mustExecSQL(c, se, "select 1;")
mustExecSQL(c, se, "commit;")
}
time.Sleep(220 * time.Millisecond)
}
// It is hard to get the accurate tps because there is another timeline in tpsMetrics.
// We could only get the upper/lower boundary for tps
c.Assert(GetTPS(), GreaterEqual, int64(4*(i-1)))
}
}
func sessionExec(c *C, se Session, sql string) ([]ast.RecordSet, error) {
se.Execute("BEGIN;")
r, err := se.Execute(sql)
c.Assert(err, IsNil)
se.Execute("COMMIT;")
return r, err
}
func newStore(c *C, dbPath string) kv.Storage {
store, err := NewStore(*store + "://" + dbPath)
c.Assert(err, IsNil)
return store
}
func newSession(c *C, store kv.Storage, dbName string) Session {
se, err := CreateSession(store)
c.Assert(err, IsNil)
se.Auth("root@%", nil, []byte("012345678901234567890"))
mustExecSQL(c, se, "create database if not exists "+dbName)
mustExecSQL(c, se, "use "+dbName)
return se
}
func removeStore(c *C, dbPath string) {
os.RemoveAll(dbPath)
}
func exec(c *C, se Session, sql string, args ...interface{}) (ast.RecordSet, error) {
if len(args) == 0 {
rs, err := se.Execute(sql)
if err == nil && len(rs) > 0 {
return rs[0], nil
}
return nil, err
}
stmtID, _, _, err := se.PrepareStmt(sql)
if err != nil {
return nil, err
}
rs, err := se.ExecutePreparedStmt(stmtID, args...)
if err != nil {
return nil, err
}
return rs, nil
}
func mustExecSQL(c *C, se Session, sql string, args ...interface{}) ast.RecordSet {
rs, err := exec(c, se, sql, args...)
c.Assert(err, IsNil)
return rs
}
func match(c *C, row []types.Datum, expected ...interface{}) {
c.Assert(len(row), Equals, len(expected))
for i := range row {
got := fmt.Sprintf("%v", row[i].GetValue())
need := fmt.Sprintf("%v", expected[i])
c.Assert(got, Equals, need)
}
}
func matches(c *C, rows [][]types.Datum, expected [][]interface{}) {
c.Assert(len(rows), Equals, len(expected))
for i := 0; i < len(rows); i++ {
match(c, rows[i], expected[i]...)
}
}
func mustExecMatch(c *C, se Session, sql string, expected [][]interface{}) {
r := mustExecSQL(c, se, sql)
rows, err := GetRows(r)
c.Assert(err, IsNil)
matches(c, rows, expected)
}
func mustExecFailed(c *C, se Session, sql string, args ...interface{}) {
r, err := exec(c, se, sql, args...)
if err == nil && r != nil {
// sometimes we may meet error after executing first row.
_, err = r.Next()
}
c.Assert(err, NotNil)
}