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mvcc: Add ut for Revisions/CountRevisions

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It is kind of backport from #14124.

Signed-off-by: Wei Fu <fuweid89@gmail.com>
This commit is contained in:
Wei Fu 2023-01-16 15:12:50 +08:00
parent 2070f55aab
commit 10c080dc5e
1 changed files with 74 additions and 0 deletions
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74
mvcc/index_test.go
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@ -194,6 +194,80 @@ func TestIndexRangeSince(t *testing.T) {
}
}
func TestIndexRevision(t *testing.T) {
allKeys := [][]byte{[]byte("foo"), []byte("foo1"), []byte("foo2"), []byte("foo2"), []byte("foo1"), []byte("foo")}
allRevs := []revision{{main: 1}, {main: 2}, {main: 3}, {main: 4}, {main: 5}, {main: 6}}
ti := newTreeIndex(zap.NewExample())
for i := range allKeys {
ti.Put(allKeys[i], allRevs[i])
}
tests := []struct {
key, end []byte
atRev int64
wrevs []revision
wcounts int
}{
// single key that not found
{
[]byte("bar"), nil, 6, nil, 0,
},
// single key that found
{
[]byte("foo"), nil, 6, []revision{{main: 6}}, 1,
},
// various range keys, fixed atRev
{
[]byte("foo"), []byte("foo1"), 6, []revision{{main: 6}}, 1,
},
{
[]byte("foo"), []byte("foo2"), 6, []revision{{main: 6}, {main: 5}}, 2,
},
{
[]byte("foo"), []byte("fop"), 6, []revision{{main: 6}, {main: 5}, {main: 4}}, 3,
},
{
[]byte("foo1"), []byte("fop"), 6, []revision{{main: 5}, {main: 4}}, 2,
},
{
[]byte("foo2"), []byte("fop"), 6, []revision{{main: 4}}, 1,
},
{
[]byte("foo3"), []byte("fop"), 6, nil, 0,
},
// fixed range keys, various atRev
{
[]byte("foo1"), []byte("fop"), 1, nil, 0,
},
{
[]byte("foo1"), []byte("fop"), 2, []revision{{main: 2}}, 1,
},
{
[]byte("foo1"), []byte("fop"), 3, []revision{{main: 2}, {main: 3}}, 2,
},
{
[]byte("foo1"), []byte("fop"), 4, []revision{{main: 2}, {main: 4}}, 2,
},
{
[]byte("foo1"), []byte("fop"), 5, []revision{{main: 5}, {main: 4}}, 2,
},
{
[]byte("foo1"), []byte("fop"), 6, []revision{{main: 5}, {main: 4}}, 2,
},
}
for i, tt := range tests {
revs := ti.Revisions(tt.key, tt.end, tt.atRev)
if !reflect.DeepEqual(revs, tt.wrevs) {
t.Errorf("#%d: revs = %+v, want %+v", i, revs, tt.wrevs)
}
count := ti.CountRevisions(tt.key, tt.end, tt.atRev)
if count != tt.wcounts {
t.Errorf("#%d: count = %d, want %v", i, count, tt.wcounts)
}
}
}
func TestIndexCompactAndKeep(t *testing.T) {
maxRev := int64(20)
tests := []struct {