55 lines
1.5 KiB
Go
55 lines
1.5 KiB
Go
// Copyright 2023 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 importer
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import (
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"math/rand"
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"testing"
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"time"
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"github.com/pingcap/tidb/br/pkg/lightning/backend/external"
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"github.com/pingcap/tidb/util"
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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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func TestIndexRouteWriter(t *testing.T) {
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logger := zap.NewExample()
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routeWriter := NewIndexRouteWriter(logger, func(i int64) *external.Writer {
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return external.NewWriterBuilder().Build(nil, "", "")
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})
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wg := util.WaitGroupWrapper{}
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for i := 0; i < 10; i++ {
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idx := i
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wg.Run(func() {
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seed := time.Now().Unix()
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logger.Info("seed", zap.Int("idx", idx), zap.Int64("seed", seed))
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r := rand.New(rand.NewSource(seed))
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gotWriters := make(map[int64]*wrappedWriter)
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for i := 0; i < 3000; i++ {
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indexID := int64(r.Int()) % 100
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writer := routeWriter.getWriter(indexID)
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require.NotNil(t, writer)
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if got, ok := gotWriters[indexID]; ok {
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require.Equal(t, got, writer)
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} else {
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gotWriters[indexID] = writer
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}
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}
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})
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}
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wg.Wait()
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}
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