tsdb/compact_test.go: test mixed typed series with PopulateBlock

Add testcase and update test so that it can test native histograms as well.

Signed-off-by: György Krajcsovits <gyorgy.krajcsovits@grafana.com>
This commit is contained in:
György Krajcsovits 2023-11-01 15:52:04 +01:00 committed by Jeanette Tan
parent 27abf09e7f
commit 4296ecbd14
2 changed files with 68 additions and 8 deletions

View file

@ -38,6 +38,7 @@ import (
"github.com/prometheus/prometheus/tsdb/chunks"
"github.com/prometheus/prometheus/tsdb/fileutil"
"github.com/prometheus/prometheus/tsdb/tombstones"
"github.com/prometheus/prometheus/tsdb/tsdbutil"
"github.com/prometheus/prometheus/tsdb/wlog"
)
@ -933,6 +934,31 @@ func TestCompaction_populateBlock(t *testing.T) {
},
},
},
{
title: "Populate from mixed type series and expect sample inside the interval only", // regression test for populateWithDelChunkSeriesIterator failing to set minTime on chunks
compactMinTime: 1,
compactMaxTime: 11,
inputSeriesSamples: [][]seriesSamples{
{
{
lset: map[string]string{"a": "1"},
chunks: [][]sample{
{{t: 0, h: tsdbutil.GenerateTestHistogram(0)}, {t: 1, h: tsdbutil.GenerateTestHistogram(1)}},
{{t: 10, f: 1}, {t: 11, f: 2}},
},
},
},
},
expSeriesSamples: []seriesSamples{
{
lset: map[string]string{"a": "1"},
chunks: [][]sample{
{{t: 1, h: tsdbutil.GenerateTestHistogram(1)}},
{{t: 10, f: 1}},
},
},
},
},
} {
t.Run(tc.title, func(t *testing.T) {
blocks := make([]BlockReader, 0, len(tc.inputSeriesSamples))
@ -974,12 +1000,23 @@ func TestCompaction_populateBlock(t *testing.T) {
firstTs int64 = math.MaxInt64
s sample
)
for iter.Next() == chunkenc.ValFloat {
for vt := iter.Next(); vt != chunkenc.ValNone; vt = iter.Next() {
switch vt {
case chunkenc.ValFloat:
s.t, s.f = iter.At()
samples = append(samples, s)
case chunkenc.ValHistogram:
s.t, s.h = iter.AtHistogram()
samples = append(samples, s)
case chunkenc.ValFloatHistogram:
s.t, s.fh = iter.AtFloatHistogram()
samples = append(samples, s)
default:
require.Fail(t, "unexpected value type")
}
if firstTs == math.MaxInt64 {
firstTs = s.t
}
samples = append(samples, s)
}
// Check if chunk has correct min, max times.

View file

@ -133,12 +133,35 @@ func createIdxChkReaders(t *testing.T, tc []seriesSamples) (IndexReader, ChunkRe
Ref: chunkRef,
})
switch {
case chk[0].fh != nil:
chunk := chunkenc.NewFloatHistogramChunk()
app, _ := chunk.Appender()
for _, smpl := range chk {
require.NotNil(t, smpl.fh, "chunk can only contain one type of sample")
_, _, _, err := app.AppendFloatHistogram(nil, smpl.t, smpl.fh, true)
require.NoError(t, err, "chunk should be appendable")
}
chkReader[chunkRef] = chunk
case chk[0].h != nil:
chunk := chunkenc.NewHistogramChunk()
app, _ := chunk.Appender()
for _, smpl := range chk {
require.NotNil(t, smpl.h, "chunk can only contain one type of sample")
_, _, _, err := app.AppendHistogram(nil, smpl.t, smpl.h, true)
require.NoError(t, err, "chunk should be appendable")
}
chkReader[chunkRef] = chunk
default:
chunk := chunkenc.NewXORChunk()
app, _ := chunk.Appender()
for _, smpl := range chk {
require.Nil(t, smpl.h, "chunk can only contain one type of sample")
require.Nil(t, smpl.fh, "chunk can only contain one type of sample")
app.Append(smpl.t, smpl.f)
}
chkReader[chunkRef] = chunk
}
chunkRef++
}
ls := labels.FromMap(s.lset)