100 lines
2.7 KiB
Go
100 lines
2.7 KiB
Go
// Copyright 2015 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 session
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import (
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"context"
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"testing"
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"github.com/pingcap/tidb/kv"
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"github.com/pingcap/tidb/parser/ast"
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"github.com/pingcap/tidb/planner/core"
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"github.com/pingcap/tidb/tablecodec"
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"github.com/pingcap/tidb/util"
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"github.com/stretchr/testify/require"
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)
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func TestSysSessionPoolGoroutineLeak(t *testing.T) {
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store, dom := createStoreAndBootstrap(t)
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defer func() { require.NoError(t, store.Close()) }()
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defer dom.Close()
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se, err := createSession(store)
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require.NoError(t, err)
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count := 200
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stmts := make([]ast.StmtNode, count)
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for i := 0; i < count; i++ {
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stmt, err := se.ParseWithParams(context.Background(), "select * from mysql.user limit 1")
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require.NoError(t, err)
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stmts[i] = stmt
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}
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// Test an issue that sysSessionPool doesn't call session's Close, cause
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// asyncGetTSWorker goroutine leak.
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var wg util.WaitGroupWrapper
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for i := 0; i < count; i++ {
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s := stmts[i]
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wg.Run(func() {
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_, _, err := se.ExecRestrictedStmt(context.Background(), s)
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require.NoError(t, err)
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})
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}
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wg.Wait()
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}
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func TestParseErrorWarn(t *testing.T) {
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ctx := core.MockContext()
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nodes, err := Parse(ctx, "select /*+ adf */ 1")
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require.NoError(t, err)
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require.Len(t, nodes, 1)
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require.Len(t, ctx.GetSessionVars().StmtCtx.GetWarnings(), 1)
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_, err = Parse(ctx, "select")
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require.Error(t, err)
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}
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func TestKeysNeedLock(t *testing.T) {
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rowKey := tablecodec.EncodeRowKeyWithHandle(1, kv.IntHandle(1))
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indexKey := tablecodec.EncodeIndexSeekKey(1, 1, []byte{1})
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uniqueValue := make([]byte, 8)
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uniqueUntouched := append(uniqueValue, '1')
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nonUniqueVal := []byte{'0'}
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nonUniqueUntouched := []byte{'1'}
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var deleteVal []byte
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rowVal := []byte{'a', 'b', 'c'}
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tests := []struct {
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key []byte
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val []byte
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need bool
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}{
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{rowKey, rowVal, true},
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{rowKey, deleteVal, true},
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{indexKey, nonUniqueVal, false},
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{indexKey, nonUniqueUntouched, false},
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{indexKey, uniqueValue, true},
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{indexKey, uniqueUntouched, false},
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{indexKey, deleteVal, false},
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}
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for _, test := range tests {
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require.Equal(t, test.need, keyNeedToLock(test.key, test.val, 0))
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}
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flag := kv.KeyFlags(1)
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require.True(t, flag.HasPresumeKeyNotExists())
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require.True(t, keyNeedToLock(indexKey, deleteVal, flag))
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}
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