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https://github.com/VictoriaMetrics/VictoriaMetrics.git
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9387793f47
- Expose stats.seriesFetched at `/api/v1/query_range` responses too for the sake of consistency. - Initialize QueryStats when it is needed and pass it to EvalConfig then. This guarantees that the QueryStats is properly collected when the query contains some subqueries.
96 lines
2.7 KiB
Go
96 lines
2.7 KiB
Go
package promql
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import (
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"testing"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/prometheus"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/storage"
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"github.com/VictoriaMetrics/metricsql"
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)
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func TestGetCommonLabelFilters(t *testing.T) {
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f := func(metrics string, lfsExpected string) {
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t.Helper()
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var tss []*timeseries
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var rows prometheus.Rows
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rows.UnmarshalWithErrLogger(metrics, func(errStr string) {
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t.Fatalf("unexpected error when parsing %s: %s", metrics, errStr)
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})
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for _, row := range rows.Rows {
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var tags []storage.Tag
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for _, tag := range row.Tags {
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tags = append(tags, storage.Tag{
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Key: []byte(tag.Key),
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Value: []byte(tag.Value),
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})
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}
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var ts timeseries
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ts.MetricName.Tags = tags
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tss = append(tss, &ts)
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}
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lfs := getCommonLabelFilters(tss)
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me := &metricsql.MetricExpr{
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LabelFilters: lfs,
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}
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lfsMarshaled := me.AppendString(nil)
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if string(lfsMarshaled) != lfsExpected {
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t.Fatalf("unexpected common label filters;\ngot\n%s\nwant\n%s", lfsMarshaled, lfsExpected)
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}
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}
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f(``, `{}`)
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f(`m 1`, `{}`)
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f(`m{a="b"} 1`, `{a="b"}`)
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f(`m{c="d",a="b"} 1`, `{a="b", c="d"}`)
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f(`m1{a="foo"} 1
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m2{a="bar"} 1`, `{a=~"bar|foo"}`)
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f(`m1{a="foo"} 1
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m2{b="bar"} 1`, `{}`)
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f(`m1{a="foo",b="bar"} 1
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m2{b="bar",c="x"} 1`, `{b="bar"}`)
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}
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func TestValidateMaxPointsPerSeriesFailure(t *testing.T) {
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f := func(start, end, step int64, maxPoints int) {
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t.Helper()
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if err := ValidateMaxPointsPerSeries(start, end, step, maxPoints); err == nil {
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t.Fatalf("expecint non-nil error for ValidateMaxPointsPerSeries(start=%d, end=%d, step=%d, maxPoints=%d)", start, end, step, maxPoints)
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}
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}
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// zero step
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f(0, 0, 0, 0)
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f(0, 0, 0, 1)
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// the maxPoints is smaller than the generated points
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f(0, 1, 1, 0)
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f(0, 1, 1, 1)
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f(1659962171908, 1659966077742, 5000, 700)
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}
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func TestValidateMaxPointsPerSeriesSuccess(t *testing.T) {
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f := func(start, end, step int64, maxPoints int) {
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t.Helper()
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if err := ValidateMaxPointsPerSeries(start, end, step, maxPoints); err != nil {
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t.Fatalf("unexpected error in ValidateMaxPointsPerSeries(start=%d, end=%d, step=%d, maxPoints=%d): %s", start, end, step, maxPoints, err)
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}
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}
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f(1, 1, 1, 2)
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f(1659962171908, 1659966077742, 5000, 800)
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f(1659962150000, 1659966070000, 10000, 393)
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}
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func TestQueryStats_addSeriesFetched(t *testing.T) {
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qs := &QueryStats{}
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ec := &EvalConfig{
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QueryStats: qs,
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}
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ec.QueryStats.addSeriesFetched(1)
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if qs.SeriesFetched != 1 {
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t.Fatalf("expected to get 1; got %d instead", qs.SeriesFetched)
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}
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ecNew := copyEvalConfig(ec)
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ecNew.QueryStats.addSeriesFetched(3)
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if qs.SeriesFetched != 4 {
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t.Fatalf("expected to get 4; got %d instead", qs.SeriesFetched)
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}
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}
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