72 lines
2.6 KiB
Go
72 lines
2.6 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 cache
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import (
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"testing"
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"github.com/pingcap/tidb/pkg/statistics"
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"github.com/stretchr/testify/require"
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)
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func TestCacheOfBatchUpdate(t *testing.T) {
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markedAsUpdated := make([]int64, 0)
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markedAsDeleted := make([]int64, 0)
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testBatchSize := 3
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cached := newCacheOfBatchUpdate(testBatchSize, func(toUpdate []*statistics.Table, toDelete []int64) {
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for _, table := range toUpdate {
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markedAsUpdated = append(markedAsUpdated, table.PhysicalID)
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}
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markedAsDeleted = append(markedAsDeleted, toDelete...)
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})
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cached.addToUpdate(&statistics.Table{HistColl: statistics.HistColl{PhysicalID: 1}})
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cached.addToUpdate(&statistics.Table{HistColl: statistics.HistColl{PhysicalID: 2}})
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cached.addToUpdate(&statistics.Table{HistColl: statistics.HistColl{PhysicalID: 3}})
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require.Len(t, markedAsUpdated, 0)
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require.Len(t, cached.toUpdate, 3)
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cached.addToUpdate(&statistics.Table{HistColl: statistics.HistColl{PhysicalID: 4}})
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require.Len(t, markedAsUpdated, 3)
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require.Equal(t, int64(1), markedAsUpdated[0])
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require.Equal(t, int64(2), markedAsUpdated[1])
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require.Equal(t, int64(3), markedAsUpdated[2])
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require.Len(t, cached.toUpdate, 1)
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require.Equal(t, int64(4), cached.toUpdate[0].PhysicalID)
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cached.addToDelete(5)
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cached.addToDelete(6)
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cached.addToDelete(7)
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require.Len(t, markedAsDeleted, 0)
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require.Len(t, cached.toDelete, 3)
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cached.addToUpdate(&statistics.Table{HistColl: statistics.HistColl{PhysicalID: 8}})
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require.Len(t, cached.toUpdate, 2)
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cached.addToDelete(9)
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require.Len(t, markedAsDeleted, 3)
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require.Equal(t, int64(5), markedAsDeleted[0])
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require.Equal(t, int64(6), markedAsDeleted[1])
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require.Equal(t, int64(7), markedAsDeleted[2])
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require.Len(t, cached.toDelete, 1)
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require.Equal(t, int64(9), cached.toDelete[0])
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require.Len(t, markedAsUpdated, 5)
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require.Equal(t, int64(4), markedAsUpdated[3])
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require.Equal(t, int64(8), markedAsUpdated[4])
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cached.flush()
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require.Len(t, cached.toUpdate, 0)
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require.Len(t, cached.toDelete, 0)
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require.Len(t, markedAsDeleted, 4)
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require.Equal(t, int64(9), markedAsDeleted[3])
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}
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