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Refactor TestWBLReplay to use scenarios

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Signed-off-by: Carrie Edwards <edwrdscarrie@gmail.com>
Co-authored by: Fiona Liao <fiona.liao@grafana.com>:
This commit is contained in:
Carrie Edwards 2024-07-15 13:15:41 -07:00
parent 7e020bb4e9
commit 79b53bd3de
1 changed files with 26 additions and 19 deletions
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45
tsdb/head_test.go
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@ -4730,6 +4730,14 @@ func TestChunkSnapshotTakenAfterIncompleteSnapshot(t *testing.T) {
// TestWBLReplay checks the replay at a low level.
func TestWBLReplay(t *testing.T) {
for name, scenario := range sampleTypeScenarios {
t.Run(name, func(t *testing.T) {
testWBLReplay(t, scenario)
})
}
}
func testWBLReplay(t *testing.T, scenario sampleTypeScenario) {
dir := t.TempDir()
wal, err := wlog.NewSize(nil, nil, filepath.Join(dir, "wal"), 32768, wlog.CompressionSnappy)
require.NoError(t, err)
@ -4745,11 +4753,11 @@ func TestWBLReplay(t *testing.T) {
require.NoError(t, err)
require.NoError(t, h.Init(0))
var expOOOSamples []sample
var expOOOSamples []chunks.Sample
l := labels.FromStrings("foo", "bar")
appendSample := func(mins int64, isOOO bool) {
appendSample := func(mins int64, val float64, isOOO bool) {
app := h.Appender(context.Background())
ts, v := mins*time.Minute.Milliseconds(), float64(mins)
ts, v := mins*time.Minute.Milliseconds(), val
_, err := app.Append(0, l, ts, v)
require.NoError(t, err)
require.NoError(t, app.Commit())
@ -4760,15 +4768,15 @@ func TestWBLReplay(t *testing.T) {
}
// In-order sample.
appendSample(60, false)
appendSample(60, 60, false)
// Out of order samples.
appendSample(40, true)
appendSample(35, true)
appendSample(50, true)
appendSample(55, true)
appendSample(59, true)
appendSample(31, true)
appendSample(40, 40, true)
appendSample(35, 35, true)
appendSample(50, 50, true)
appendSample(55, 55, true)
appendSample(59, 59, true)
appendSample(31, 31, true)
// Check that Head's time ranges are set properly.
require.Equal(t, 60*time.Minute.Milliseconds(), h.MinTime())
@ -4796,20 +4804,19 @@ func TestWBLReplay(t *testing.T) {
require.NoError(t, err)
require.Len(t, chks, 1)
xor := chks[0].chunk.(*chunkenc.XORChunk)
it := xor.Iterator(nil)
actOOOSamples := make([]sample, 0, len(expOOOSamples))
for it.Next() == chunkenc.ValFloat {
ts, v := it.At()
actOOOSamples = append(actOOOSamples, sample{t: ts, f: v})
}
it := chks[0].chunk.Iterator(nil)
actOOOSamples, err := storage.ExpandSamples(it, nil)
require.NoError(t, err)
// OOO chunk will be sorted. Hence sort the expected samples.
sort.Slice(expOOOSamples, func(i, j int) bool {
return expOOOSamples[i].t < expOOOSamples[j].t
return expOOOSamples[i].T() < expOOOSamples[j].T()
})
require.Equal(t, expOOOSamples, actOOOSamples)
// Passing in true for the 'ignoreCounterResets' parameter prevents differences in counter reset headers
// from being factored in to the sample comparison
// TODO(fionaliao): understand counter reset behaviour, might want to modify this later
requireEqualSamples(t, l.String(), expOOOSamples, actOOOSamples, true)
require.NoError(t, h.Close())
}