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metrics: add test for SampleSnapshot.Sum (#29831)

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This commit is contained in:
Daniel Liu 2024-12-13 14:00:14 +08:00
parent fb6a268763
commit 7e784f1d70
1 changed files with 6 additions and 3 deletions
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9
metrics/sample_test.go
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@ -103,14 +103,14 @@ func TestExpDecaySample(t *testing.T) {
}
snap := sample.Snapshot()
if have, want := int(snap.Count()), tc.updates; have != want {
t.Errorf("have %d want %d", have, want)
t.Errorf("unexpected count: have %d want %d", have, want)
}
if have, want := snap.Size(), min(tc.updates, tc.reservoirSize); have != want {
t.Errorf("have %d want %d", have, want)
t.Errorf("unexpected size: have %d want %d", have, want)
}
values := snap.(*sampleSnapshot).values
if have, want := len(values), min(tc.updates, tc.reservoirSize); have != want {
t.Errorf("have %d want %d", have, want)
t.Errorf("unexpected values length: have %d want %d", have, want)
}
for _, v := range values {
if v > int64(tc.updates) || v < 0 {
@ -251,6 +251,9 @@ func benchmarkSample(b *testing.B, s Sample) {
}
func testExpDecaySampleStatistics(t *testing.T, s SampleSnapshot) {
if sum := s.Sum(); sum != 496598 {
t.Errorf("s.Sum(): 496598 != %v\n", sum)
}
if count := s.Count(); count != 10000 {
t.Errorf("s.Count(): 10000 != %v\n", count)
}