76 lines
2.3 KiB
Go
76 lines
2.3 KiB
Go
// Copyright 2019 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 executor_test
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import (
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"context"
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"sync"
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"testing"
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"github.com/pingcap/failpoint"
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"github.com/pingcap/tidb/pkg/executor"
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"github.com/pingcap/tidb/pkg/session"
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"github.com/pingcap/tidb/pkg/sessionctx/variable"
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"github.com/pingcap/tidb/pkg/testkit"
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"github.com/stretchr/testify/require"
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"github.com/tikv/client-go/v2/util"
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)
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func TestFormatSQL(t *testing.T) {
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val := executor.FormatSQL("aaaa")
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require.Equal(t, "aaaa", val.String())
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variable.QueryLogMaxLen.Store(0)
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val = executor.FormatSQL("aaaaaaaaaaaaaaaaaaaa")
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require.Equal(t, "aaaaaaaaaaaaaaaaaaaa", val.String())
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variable.QueryLogMaxLen.Store(5)
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val = executor.FormatSQL("aaaaaaaaaaaaaaaaaaaa")
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require.Equal(t, "aaaaa(len:20)", val.String())
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}
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func TestContextCancelWhenReadFromCopIterator(t *testing.T) {
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store := testkit.CreateMockStore(t)
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tk := testkit.NewTestKit(t, store)
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tk.MustExec("use test")
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tk.MustExec("create table t(a int)")
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tk.MustExec("insert into t values(1)")
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syncCh := make(chan struct{})
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require.NoError(t, failpoint.EnableCall("github.com/pingcap/tidb/pkg/store/copr/CtxCancelBeforeReceive",
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func(ctx context.Context) {
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if ctx.Value("TestContextCancel") == "test" {
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syncCh <- struct{}{}
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<-syncCh
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}
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},
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))
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ctx := context.WithValue(context.Background(), "TestContextCancel", "test")
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ctx, cancelFunc := context.WithCancel(ctx)
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defer cancelFunc()
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var wg sync.WaitGroup
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wg.Add(1)
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go func() {
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defer wg.Done()
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ctx = util.WithInternalSourceType(ctx, "scheduler")
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rs, err := tk.Session().ExecuteInternal(ctx, "select * from test.t")
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require.NoError(t, err)
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_, err2 := session.ResultSetToStringSlice(ctx, tk.Session(), rs)
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require.ErrorIs(t, err2, context.Canceled)
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}()
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<-syncCh
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cancelFunc()
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syncCh <- struct{}{}
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wg.Wait()
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}
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