132 lines
4.1 KiB
Go
132 lines
4.1 KiB
Go
// Copyright 2018 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package testutil
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import (
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"context"
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"fmt"
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"testing"
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"github.com/pingcap/errors"
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"github.com/pingcap/tidb/pkg/domain"
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"github.com/pingcap/tidb/pkg/kv"
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"github.com/pingcap/tidb/pkg/parser/model"
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"github.com/pingcap/tidb/pkg/session"
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sessiontypes "github.com/pingcap/tidb/pkg/session/types"
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"github.com/pingcap/tidb/pkg/sessiontxn"
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"github.com/pingcap/tidb/pkg/table"
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"github.com/pingcap/tidb/pkg/table/tables"
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"github.com/pingcap/tidb/pkg/types"
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"github.com/pingcap/tidb/pkg/util/logutil"
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"github.com/stretchr/testify/require"
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"go.uber.org/zap"
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)
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// SessionExecInGoroutine export for testing.
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func SessionExecInGoroutine(s kv.Storage, dbName, sql string, done chan error) {
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ExecMultiSQLInGoroutine(s, dbName, []string{sql}, done)
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}
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// ExecMultiSQLInGoroutine exports for testing.
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func ExecMultiSQLInGoroutine(s kv.Storage, dbName string, multiSQL []string, done chan error) {
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go func() {
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se, err := session.CreateSession4Test(s)
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if err != nil {
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done <- errors.Trace(err)
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return
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}
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defer se.Close()
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_, err = se.Execute(context.Background(), "use "+dbName)
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if err != nil {
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done <- errors.Trace(err)
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return
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}
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for _, sql := range multiSQL {
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rs, err := se.Execute(context.Background(), sql)
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if err != nil {
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done <- errors.Trace(err)
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return
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}
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if rs != nil {
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done <- errors.Errorf("RecordSet should be empty")
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return
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}
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done <- nil
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}
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}()
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}
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// ExtractAllTableHandles extracts all handles of a given table.
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func ExtractAllTableHandles(se sessiontypes.Session, dbName, tbName string) ([]int64, error) {
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dom := domain.GetDomain(se)
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tbl, err := dom.InfoSchema().TableByName(model.NewCIStr(dbName), model.NewCIStr(tbName))
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if err != nil {
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return nil, err
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}
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err = sessiontxn.NewTxn(context.Background(), se)
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if err != nil {
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return nil, err
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}
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var allHandles []int64
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err = tables.IterRecords(tbl, se, nil,
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func(h kv.Handle, _ []types.Datum, _ []*table.Column) (more bool, err error) {
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allHandles = append(allHandles, h.IntValue())
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return true, nil
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})
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return allHandles, err
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}
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// FindIdxInfo is to get IndexInfo by index name.
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func FindIdxInfo(dom *domain.Domain, dbName, tbName, idxName string) *model.IndexInfo {
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tbl, err := dom.InfoSchema().TableByName(model.NewCIStr(dbName), model.NewCIStr(tbName))
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if err != nil {
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logutil.BgLogger().Warn("cannot find table", zap.String("dbName", dbName), zap.String("tbName", tbName))
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return nil
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}
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return tbl.Meta().FindIndexByName(idxName)
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}
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// SubStates is a slice of SchemaState.
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type SubStates = []model.SchemaState
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// TestMatchCancelState is used to test whether the cancel state matches.
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func TestMatchCancelState(t *testing.T, job *model.Job, cancelState interface{}, sql string) bool {
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switch v := cancelState.(type) {
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case model.SchemaState:
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if job.Type == model.ActionMultiSchemaChange {
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msg := fmt.Sprintf("unexpected multi-schema change(sql: %s, cancel state: %s)", sql, v)
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require.Failf(t, msg, "use []model.SchemaState as cancel states instead")
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return false
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}
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return job.SchemaState == v
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case SubStates: // For multi-schema change sub-jobs.
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if job.MultiSchemaInfo == nil {
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msg := fmt.Sprintf("not multi-schema change(sql: %s, cancel state: %v)", sql, v)
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require.Failf(t, msg, "use model.SchemaState as the cancel state instead")
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return false
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}
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require.Equal(t, len(job.MultiSchemaInfo.SubJobs), len(v), sql)
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for i, subJobSchemaState := range v {
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if job.MultiSchemaInfo.SubJobs[i].SchemaState != subJobSchemaState {
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return false
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}
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}
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return true
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default:
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return false
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}
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}
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