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The open and composable observability and data visualization platform. Visualize metrics, logs, and traces from multiple sources like Prometheus, Loki, Elasticsearch, InfluxDB, Postgres and many more.
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grafana/pkg/tsdb/sqleng/resample_test.go

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package sqleng
import (
"testing"
"time"
"github.com/google/go-cmp/cmp"
"github.com/grafana/grafana-plugin-sdk-go/backend"
"github.com/grafana/grafana-plugin-sdk-go/data"
"github.com/grafana/grafana/pkg/tsdb/sqleng/util"
"github.com/stretchr/testify/require"
)
func TestResampleWide(t *testing.T) {
tests := []struct {
name string
input *data.Frame
fillMissing *data.FillMissing
timeRange backend.TimeRange
interval time.Duration
output *data.Frame
}{
{
name: "interval 1s; fill null",
fillMissing: &data.FillMissing{Mode: data.FillModeNull},
timeRange: backend.TimeRange{
From: time.Date(2020, 1, 2, 3, 4, 18, 0, time.UTC),
To: time.Date(2020, 1, 2, 3, 4, 26, 0, time.UTC),
},
interval: time.Second,
input: data.NewFrame("wide_test",
data.NewField("Time", nil, []time.Time{
time.Date(2020, 1, 2, 3, 4, 19, 0, time.UTC),
time.Date(2020, 1, 2, 3, 4, 20, 0, time.UTC),
time.Date(2020, 1, 2, 3, 4, 24, 0, time.UTC),
}),
data.NewField("Values Ints", nil, []*int64{
util.Pointer(int64(10)),
util.Pointer(int64(12)),
util.Pointer(int64(15)),
}),
data.NewField(`Values Floats`, data.Labels{"Animal Factor": "sloth"}, []*float64{
util.Pointer(10.5),
util.Pointer(12.5),
util.Pointer(15.0),
})),
output: data.NewFrame("wide_test",
data.NewField("Time", nil, []time.Time{
time.Date(2020, 1, 2, 3, 4, 18, 0, time.UTC),
time.Date(2020, 1, 2, 3, 4, 19, 0, time.UTC),
time.Date(2020, 1, 2, 3, 4, 20, 0, time.UTC),
time.Date(2020, 1, 2, 3, 4, 21, 0, time.UTC),
time.Date(2020, 1, 2, 3, 4, 22, 0, time.UTC),
time.Date(2020, 1, 2, 3, 4, 23, 0, time.UTC),
time.Date(2020, 1, 2, 3, 4, 24, 0, time.UTC),
time.Date(2020, 1, 2, 3, 4, 25, 0, time.UTC),
time.Date(2020, 1, 2, 3, 4, 26, 0, time.UTC),
}),
data.NewField("Values Ints", nil, []*int64{
nil,
util.Pointer(int64(10)),
util.Pointer(int64(12)),
nil,
nil,
nil,
util.Pointer(int64(15)),
nil,
nil,
}),
data.NewField(`Values Floats`, data.Labels{"Animal Factor": "sloth"}, []*float64{
nil,
util.Pointer(10.5),
util.Pointer(12.5),
nil,
nil,
nil,
util.Pointer(15.0),
nil,
nil,
})),
},
{
name: "interval 1s; fill value",
fillMissing: &data.FillMissing{Mode: data.FillModeValue, Value: -1},
timeRange: backend.TimeRange{
From: time.Date(2020, 1, 2, 3, 4, 18, 0, time.UTC),
To: time.Date(2020, 1, 2, 3, 4, 26, 0, time.UTC),
},
interval: time.Second,
input: data.NewFrame("wide_test",
data.NewField("Time", nil, []time.Time{
time.Date(2020, 1, 2, 3, 4, 19, 0, time.UTC),
time.Date(2020, 1, 2, 3, 4, 20, 0, time.UTC),
time.Date(2020, 1, 2, 3, 4, 24, 0, time.UTC),
}),
data.NewField("Values Ints", nil, []*int64{
util.Pointer(int64(10)),
util.Pointer(int64(12)),
util.Pointer(int64(15)),
}),
data.NewField(`Values Floats`, data.Labels{"Animal Factor": "sloth"}, []*float64{
util.Pointer(10.5),
util.Pointer(12.5),
util.Pointer(15.0),
})),
output: data.NewFrame("wide_test",
data.NewField("Time", nil, []time.Time{
time.Date(2020, 1, 2, 3, 4, 18, 0, time.UTC),
time.Date(2020, 1, 2, 3, 4, 19, 0, time.UTC),
time.Date(2020, 1, 2, 3, 4, 20, 0, time.UTC),
time.Date(2020, 1, 2, 3, 4, 21, 0, time.UTC),
time.Date(2020, 1, 2, 3, 4, 22, 0, time.UTC),
time.Date(2020, 1, 2, 3, 4, 23, 0, time.UTC),
time.Date(2020, 1, 2, 3, 4, 24, 0, time.UTC),
time.Date(2020, 1, 2, 3, 4, 25, 0, time.UTC),
time.Date(2020, 1, 2, 3, 4, 26, 0, time.UTC),
}),
data.NewField("Values Ints", nil, []*int64{
util.Pointer(int64(-1)),
util.Pointer(int64(10)),
util.Pointer(int64(12)),
util.Pointer(int64(-1)),
util.Pointer(int64(-1)),
util.Pointer(int64(-1)),
util.Pointer(int64(15)),
util.Pointer(int64(-1)),
util.Pointer(int64(-1)),
}),
data.NewField(`Values Floats`, data.Labels{"Animal Factor": "sloth"}, []*float64{
util.Pointer(-1.0),
util.Pointer(10.5),
util.Pointer(12.5),
util.Pointer(-1.0),
util.Pointer(-1.0),
util.Pointer(-1.0),
util.Pointer(15.0),
util.Pointer(-1.0),
util.Pointer(-1.0),
})),
},
{
name: "interval 1s; fill previous",
fillMissing: &data.FillMissing{Mode: data.FillModePrevious},
timeRange: backend.TimeRange{
From: time.Date(2020, 1, 2, 3, 4, 18, 0, time.UTC),
To: time.Date(2020, 1, 2, 3, 4, 26, 0, time.UTC),
},
interval: time.Second,
input: data.NewFrame("wide_test",
data.NewField("Time", nil, []time.Time{
time.Date(2020, 1, 2, 3, 4, 19, 0, time.UTC),
time.Date(2020, 1, 2, 3, 4, 20, 0, time.UTC),
time.Date(2020, 1, 2, 3, 4, 24, 0, time.UTC),
}),
data.NewField("Values Ints", nil, []*int64{
util.Pointer(int64(10)),
util.Pointer(int64(12)),
util.Pointer(int64(15)),
}),
data.NewField(`Values Floats`, data.Labels{"Animal Factor": "sloth"}, []*float64{
util.Pointer(10.5),
util.Pointer(12.5),
util.Pointer(15.0),
})),
output: data.NewFrame("wide_test",
data.NewField("Time", nil, []time.Time{
time.Date(2020, 1, 2, 3, 4, 18, 0, time.UTC),
time.Date(2020, 1, 2, 3, 4, 19, 0, time.UTC),
time.Date(2020, 1, 2, 3, 4, 20, 0, time.UTC),
time.Date(2020, 1, 2, 3, 4, 21, 0, time.UTC),
time.Date(2020, 1, 2, 3, 4, 22, 0, time.UTC),
time.Date(2020, 1, 2, 3, 4, 23, 0, time.UTC),
time.Date(2020, 1, 2, 3, 4, 24, 0, time.UTC),
time.Date(2020, 1, 2, 3, 4, 25, 0, time.UTC),
time.Date(2020, 1, 2, 3, 4, 26, 0, time.UTC),
}),
data.NewField("Values Ints", nil, []*int64{
nil,
util.Pointer(int64(10)),
util.Pointer(int64(12)),
util.Pointer(int64(12)),
util.Pointer(int64(12)),
util.Pointer(int64(12)),
util.Pointer(int64(15)),
util.Pointer(int64(15)),
util.Pointer(int64(15)),
}),
data.NewField(`Values Floats`, data.Labels{"Animal Factor": "sloth"}, []*float64{
nil,
util.Pointer(10.5),
util.Pointer(12.5),
util.Pointer(12.5),
util.Pointer(12.5),
util.Pointer(12.5),
util.Pointer(15.0),
util.Pointer(15.0),
util.Pointer(15.0),
})),
},
{
name: "interval 2s; fill null",
fillMissing: &data.FillMissing{Mode: data.FillModeNull},
timeRange: backend.TimeRange{
From: time.Date(2020, 1, 2, 3, 4, 18, 0, time.UTC),
To: time.Date(2020, 1, 2, 3, 4, 26, 0, time.UTC),
},
interval: 2 * time.Second,
input: data.NewFrame("wide_test",
data.NewField("Time", nil, []time.Time{
time.Date(2020, 1, 2, 3, 4, 18, 0, time.UTC),
time.Date(2020, 1, 2, 3, 4, 19, 0, time.UTC),
time.Date(2020, 1, 2, 3, 4, 24, 0, time.UTC),
}),
data.NewField("Values Ints", nil, []*int64{
util.Pointer(int64(10)),
util.Pointer(int64(12)),
util.Pointer(int64(15)),
}),
data.NewField(`Values Floats`, data.Labels{"Animal Factor": "sloth"}, []*float64{
util.Pointer(10.5),
util.Pointer(12.5),
util.Pointer(15.0),
})),
output: data.NewFrame("wide_test",
data.NewField("Time", nil, []time.Time{
time.Date(2020, 1, 2, 3, 4, 18, 0, time.UTC),
time.Date(2020, 1, 2, 3, 4, 20, 0, time.UTC),
time.Date(2020, 1, 2, 3, 4, 22, 0, time.UTC),
time.Date(2020, 1, 2, 3, 4, 24, 0, time.UTC),
time.Date(2020, 1, 2, 3, 4, 26, 0, time.UTC),
}),
data.NewField("Values Ints", nil, []*int64{
util.Pointer(int64(10)),
util.Pointer(int64(12)),
nil,
util.Pointer(int64(15)),
nil,
}),
data.NewField(`Values Floats`, data.Labels{"Animal Factor": "sloth"}, []*float64{
util.Pointer(10.5),
util.Pointer(12.5),
nil,
util.Pointer(15.0),
nil,
})),
},
{
name: "interval 1s; fill null; rows outside timerange window",
fillMissing: &data.FillMissing{Mode: data.FillModeNull},
timeRange: backend.TimeRange{
From: time.Date(2020, 1, 2, 3, 4, 20, 0, time.UTC),
To: time.Date(2020, 1, 2, 3, 4, 24, 0, time.UTC),
},
interval: time.Second,
input: data.NewFrame("wide_test",
data.NewField("Time", nil, []time.Time{
time.Date(2020, 1, 2, 3, 4, 19, 0, time.UTC),
time.Date(2020, 1, 2, 3, 4, 20, 0, time.UTC),
time.Date(2020, 1, 2, 3, 4, 24, 0, time.UTC),
time.Date(2020, 1, 2, 3, 4, 27, 0, time.UTC),
}),
data.NewField("Values Ints", nil, []*int64{
util.Pointer(int64(10)),
util.Pointer(int64(12)),
util.Pointer(int64(15)),
util.Pointer(int64(18)),
}),
data.NewField(`Values Floats`, data.Labels{"Animal Factor": "sloth"}, []*float64{
util.Pointer(10.5),
util.Pointer(12.5),
util.Pointer(15.0),
util.Pointer(17.5),
})),
output: data.NewFrame("wide_test",
data.NewField("Time", nil, []time.Time{
time.Date(2020, 1, 2, 3, 4, 20, 0, time.UTC),
time.Date(2020, 1, 2, 3, 4, 21, 0, time.UTC),
time.Date(2020, 1, 2, 3, 4, 22, 0, time.UTC),
time.Date(2020, 1, 2, 3, 4, 23, 0, time.UTC),
time.Date(2020, 1, 2, 3, 4, 24, 0, time.UTC),
}),
data.NewField("Values Ints", nil, []*int64{
util.Pointer(int64(12)),
nil,
nil,
nil,
util.Pointer(int64(15)),
}),
data.NewField(`Values Floats`, data.Labels{"Animal Factor": "sloth"}, []*float64{
util.Pointer(12.5),
nil,
nil,
nil,
util.Pointer(15.0),
})),
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
frame, err := resample(tt.input, dataQueryModel{
FillMissing: tt.fillMissing,
TimeRange: tt.timeRange,
Interval: tt.interval,
})
require.NoError(t, err)
if diff := cmp.Diff(tt.output, frame, data.FrameTestCompareOptions()...); diff != "" {
t.Errorf("Result mismatch (-want +got):\n%s", diff)
}
})
}
}