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db: Simplified tests. 

Signed-off-by: Bartek Plotka <bwplotka@gmail.com>
This commit is contained in:
Bartek Plotka 2018-03-28 23:19:22 +01:00
parent c8b4a7b839
commit 1e60f02066
1 changed files with 9 additions and 16 deletions
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25
db_test.go
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@ -21,7 +21,6 @@ import (
"sort"
"testing"
"github.com/oklog/ulid"
"github.com/pkg/errors"
"github.com/prometheus/tsdb/labels"
"github.com/prometheus/tsdb/testutil"
@ -895,17 +894,11 @@ func expandSeriesSet(ss SeriesSet) ([]labels.Labels, error) {
}
func TestOverlappingBlocksDetectsAllOverlaps(t *testing.T) {
u := uint64(0)
newULID := func() ulid.ULID {
u++
return ulid.MustNew(u, nil)
}
// Create 10 blocks that does not overlap (0-10, 10-20, ..., 100-110) but in reverse order to ensure our algorithm
// will handle that.
var metas = make([]BlockMeta, 11)
for i := 10; i >= 0; i-- {
metas[i] = BlockMeta{MinTime: int64(i * 10), MaxTime: int64((i + 1) * 10), ULID: newULID()}
metas[i] = BlockMeta{MinTime: int64(i * 10), MaxTime: int64((i + 1) * 10)}
}
testutil.Assert(t, len(OverlappingBlocks(metas)) == 0, "we found unexpected overlaps")
@ -913,28 +906,28 @@ func TestOverlappingBlocksDetectsAllOverlaps(t *testing.T) {
// Add overlapping blocks.
// o1 overlaps with 10-20.
o1 := BlockMeta{MinTime: 15, MaxTime: 17, ULID: newULID()}
o1 := BlockMeta{MinTime: 15, MaxTime: 17}
testutil.Equals(t, [][]BlockMeta{{metas[1], o1}}, OverlappingBlocks(append(metas, o1)))
// o2 overlaps with 20-30 and 30-40.
o2 := BlockMeta{MinTime: 21, MaxTime: 31, ULID: newULID()}
o2 := BlockMeta{MinTime: 21, MaxTime: 31}
testutil.Equals(t, [][]BlockMeta{{metas[2], o2}, {o2, metas[3]}}, OverlappingBlocks(append(metas, o2)))
// o3a and o3b overlaps with 30-40 and each other.
o3a := BlockMeta{MinTime: 33, MaxTime: 39, ULID: newULID()}
o3b := BlockMeta{MinTime: 34, MaxTime: 36, ULID: newULID()}
o3a := BlockMeta{MinTime: 33, MaxTime: 39}
o3b := BlockMeta{MinTime: 34, MaxTime: 36}
testutil.Equals(t, [][]BlockMeta{{metas[3], o3a, o3b}}, OverlappingBlocks(append(metas, o3a, o3b)))
// o4 is 1:1 overlap with 50-60.
o4 := BlockMeta{MinTime: 50, MaxTime: 60, ULID: newULID()}
o4 := BlockMeta{MinTime: 50, MaxTime: 60}
testutil.Equals(t, [][]BlockMeta{{metas[5], o4}}, OverlappingBlocks(append(metas, o4)))
// o5 overlaps with 60-70, 70-80 and 80-90.
o5 := BlockMeta{MinTime: 61, MaxTime: 85, ULID: newULID()}
o5 := BlockMeta{MinTime: 61, MaxTime: 85}
testutil.Equals(t, [][]BlockMeta{{metas[6], o5}, {o5, metas[7]}, {o5, metas[8]}}, OverlappingBlocks(append(metas, o5)))
// o6a overlaps with 90-100, 100-110 and o6b, o6b overlaps with 90-100 and o6a.
o6a := BlockMeta{MinTime: 92, MaxTime: 105, ULID: newULID()}
o6b := BlockMeta{MinTime: 94, MaxTime: 99, ULID: newULID()}
o6a := BlockMeta{MinTime: 92, MaxTime: 105}
o6b := BlockMeta{MinTime: 94, MaxTime: 99}
testutil.Equals(t, [][]BlockMeta{{metas[9], o6a, o6b}, {o6a, metas[10]}}, OverlappingBlocks(append(metas, o6a, o6b)))
}