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Scrape: test samples_post_metric_relabeling when metrics are dropped (#6720)

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Signed-off-by: Julien Pivotto <roidelapluie@inuits.eu>
This commit is contained in:
Julien Pivotto 2020-01-29 18:47:36 +01:00 committed by GitHub
parent ad1518c629
commit 9c67fce6e0
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 19 additions and 2 deletions
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21
scrape/scrape_test.go
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@ -1026,7 +1026,12 @@ func TestScrapeLoopAppendSampleLimit(t *testing.T) {
sl := newScrapeLoop(context.Background(),
nil, nil, nil,
nopMutator,
func(l labels.Labels) labels.Labels {
if l.Has("deleteme") {
return nil
}
return l
},
nopMutator,
func() storage.Appender { return app },
nil,
@ -1042,10 +1047,13 @@ func TestScrapeLoopAppendSampleLimit(t *testing.T) {
beforeMetricValue := beforeMetric.GetCounter().GetValue()
now := time.Now()
_, _, _, err = sl.append([]byte("metric_a 1\nmetric_b 1\nmetric_c 1\n"), "", now)
total, added, seriesAdded, err := sl.append([]byte("metric_a 1\nmetric_b 1\nmetric_c 1\n"), "", now)
if err != errSampleLimit {
t.Fatalf("Did not see expected sample limit error: %s", err)
}
testutil.Equals(t, 3, total)
testutil.Equals(t, 3, added)
testutil.Equals(t, 1, seriesAdded)
// Check that the Counter has been incremented a single time for the scrape,
// not multiple times for each sample.
@ -1066,6 +1074,15 @@ func TestScrapeLoopAppendSampleLimit(t *testing.T) {
},
}
testutil.Equals(t, want, resApp.result, "Appended samples not as expected")
now = time.Now()
total, added, seriesAdded, err = sl.append([]byte("metric_a 1\nmetric_b 1\nmetric_c{deleteme=\"yes\"} 1\nmetric_d 1\nmetric_e 1\nmetric_f 1\nmetric_g 1\nmetric_h{deleteme=\"yes\"} 1\nmetric_i{deleteme=\"yes\"} 1\n"), "", now)
if err != errSampleLimit {
t.Fatalf("Did not see expected sample limit error: %s", err)
}
testutil.Equals(t, 9, total)
testutil.Equals(t, 6, added)
testutil.Equals(t, 0, seriesAdded)
}
func TestScrapeLoop_ChangingMetricString(t *testing.T) {