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Add test to confirm timestamp() behaves correctly when evaluating a range query.

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Signed-off-by: Charles Korn <charles.korn@grafana.com>
This commit is contained in:
Charles Korn 2023-06-29 13:34:26 +10:00
parent fde6ebb17d
commit 6903d6edd8
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1 changed files with 94 additions and 0 deletions
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94
promql/engine_test.go
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@ -1977,6 +1977,100 @@ func TestSubquerySelector(t *testing.T) {
}
}
func TestTimestampFunction_StepsMoreOftenThanSamples(t *testing.T) {
test, err := NewTest(t, `
load 1m
metric 0+1x1000
`)
require.NoError(t, err)
defer test.Close()
err = test.Run()
require.NoError(t, err)
query := "timestamp(metric)"
start := time.Unix(0, 0)
end := time.Unix(61, 0)
interval := time.Second
expectedResult := Matrix{
Series{
Floats: []FPoint{
{F: 0, T: 0},
{F: 0, T: 1_000},
{F: 0, T: 2_000},
{F: 0, T: 3_000},
{F: 0, T: 4_000},
{F: 0, T: 5_000},
{F: 0, T: 6_000},
{F: 0, T: 7_000},
{F: 0, T: 8_000},
{F: 0, T: 9_000},
{F: 0, T: 10_000},
{F: 0, T: 11_000},
{F: 0, T: 12_000},
{F: 0, T: 13_000},
{F: 0, T: 14_000},
{F: 0, T: 15_000},
{F: 0, T: 16_000},
{F: 0, T: 17_000},
{F: 0, T: 18_000},
{F: 0, T: 19_000},
{F: 0, T: 20_000},
{F: 0, T: 21_000},
{F: 0, T: 22_000},
{F: 0, T: 23_000},
{F: 0, T: 24_000},
{F: 0, T: 25_000},
{F: 0, T: 26_000},
{F: 0, T: 27_000},
{F: 0, T: 28_000},
{F: 0, T: 29_000},
{F: 0, T: 30_000},
{F: 0, T: 31_000},
{F: 0, T: 32_000},
{F: 0, T: 33_000},
{F: 0, T: 34_000},
{F: 0, T: 35_000},
{F: 0, T: 36_000},
{F: 0, T: 37_000},
{F: 0, T: 38_000},
{F: 0, T: 39_000},
{F: 0, T: 40_000},
{F: 0, T: 41_000},
{F: 0, T: 42_000},
{F: 0, T: 43_000},
{F: 0, T: 44_000},
{F: 0, T: 45_000},
{F: 0, T: 46_000},
{F: 0, T: 47_000},
{F: 0, T: 48_000},
{F: 0, T: 49_000},
{F: 0, T: 50_000},
{F: 0, T: 51_000},
{F: 0, T: 52_000},
{F: 0, T: 53_000},
{F: 0, T: 54_000},
{F: 0, T: 55_000},
{F: 0, T: 56_000},
{F: 0, T: 57_000},
{F: 0, T: 58_000},
{F: 0, T: 59_000},
{F: 60, T: 60_000},
{F: 60, T: 61_000},
},
Metric: labels.EmptyLabels(),
},
}
qry, err := test.QueryEngine().NewRangeQuery(test.context, test.Queryable(), nil, query, start, end, interval)
require.NoError(t, err)
res := qry.Exec(test.Context())
require.NoError(t, res.Err)
require.Equal(t, expectedResult, res.Value)
}
type FakeQueryLogger struct {
closed bool
logs []interface{}