76 lines
2.3 KiB
Go
76 lines
2.3 KiB
Go
// Copyright 2020 PingCAP, Inc. Licensed under Apache-2.0.
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package restore
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import (
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"testing"
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"github.com/pingcap/kvproto/pkg/import_sstpb"
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"github.com/pingcap/tidb/br/pkg/rtree"
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"github.com/pingcap/tidb/pkg/tablecodec"
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"github.com/stretchr/testify/require"
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)
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func rangeEquals(t *testing.T, obtained, expected []rtree.Range) {
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require.Equal(t, len(expected), len(obtained))
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for i := range obtained {
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require.Equal(t, expected[i].StartKey, obtained[i].StartKey)
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require.Equal(t, expected[i].EndKey, obtained[i].EndKey)
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}
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}
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func TestSortRange(t *testing.T) {
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dataRules := []*import_sstpb.RewriteRule{
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{OldKeyPrefix: tablecodec.GenTableRecordPrefix(1), NewKeyPrefix: tablecodec.GenTableRecordPrefix(4)},
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{OldKeyPrefix: tablecodec.GenTableRecordPrefix(2), NewKeyPrefix: tablecodec.GenTableRecordPrefix(5)},
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}
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rewriteRules := &RewriteRules{
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Data: dataRules,
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}
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ranges1 := []rtree.Range{
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{
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StartKey: append(tablecodec.GenTableRecordPrefix(1), []byte("aaa")...),
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EndKey: append(tablecodec.GenTableRecordPrefix(1), []byte("bbb")...), Files: nil,
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},
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}
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for i, rg := range ranges1 {
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tmp, _ := RewriteRange(&rg, rewriteRules)
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ranges1[i] = *tmp
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}
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rs1, err := SortRanges(ranges1)
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require.NoErrorf(t, err, "sort range1 failed: %v", err)
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rangeEquals(t, rs1, []rtree.Range{
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{
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StartKey: append(tablecodec.GenTableRecordPrefix(4), []byte("aaa")...),
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EndKey: append(tablecodec.GenTableRecordPrefix(4), []byte("bbb")...), Files: nil,
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},
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})
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ranges2 := []rtree.Range{
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{
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StartKey: append(tablecodec.GenTableRecordPrefix(1), []byte("aaa")...),
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EndKey: append(tablecodec.GenTableRecordPrefix(2), []byte("bbb")...), Files: nil,
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},
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}
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for _, rg := range ranges2 {
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_, err := RewriteRange(&rg, rewriteRules)
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require.Error(t, err)
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require.Regexp(t, "table id mismatch.*", err.Error())
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}
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ranges3 := initRanges()
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rewriteRules1 := initRewriteRules()
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for i, rg := range ranges3 {
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tmp, _ := RewriteRange(&rg, rewriteRules1)
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ranges3[i] = *tmp
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}
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rs3, err := SortRanges(ranges3)
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require.NoErrorf(t, err, "sort range1 failed: %v", err)
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rangeEquals(t, rs3, []rtree.Range{
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{StartKey: []byte("bbd"), EndKey: []byte("bbf"), Files: nil},
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{StartKey: []byte("bbf"), EndKey: []byte("bbj"), Files: nil},
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{StartKey: []byte("xxa"), EndKey: []byte("xxe"), Files: nil},
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{StartKey: []byte("xxe"), EndKey: []byte("xxz"), Files: nil},
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})
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}
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