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grafana/pkg/expr/mathexp/resample_test.go
Kyle Brandt 512faa7c9c SSE: Support time series frames with non-nullable float64 values (#32608) 
* SSE: fix reduce to handle non-null
* add type for data.Field that is float64 or *float64
* resample fix for non-null input case, add couple non-null tests
2021-04-01 14:33:35 -04:00

289 lines
8.1 KiB
Go
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package mathexp
import (
"testing"
"time"
"github.com/grafana/grafana-plugin-sdk-go/backend"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestResampleSeries(t *testing.T) {
var tests = []struct {
name string
interval time.Duration
downsampler string
upsampler string
timeRange backend.TimeRange
seriesToResample Series
series Series
}{
{
name: "resample series: time range shorter than the rule interval",
interval: time.Second * 5,
downsampler: "mean",
upsampler: "fillna",
timeRange: backend.TimeRange{
From: time.Unix(0, 0),
To: time.Unix(4, 0),
},
seriesToResample: makeSeriesNullableTime("", nil, nullTimeTP{
unixTimePointer(2, 0), float64Pointer(2),
}, nullTimeTP{
unixTimePointer(7, 0), float64Pointer(1),
}),
},
{
name: "resample series: invalid time range",
interval: time.Second * 5,
downsampler: "mean",
upsampler: "fillna",
timeRange: backend.TimeRange{
From: time.Unix(11, 0),
To: time.Unix(0, 0),
},
seriesToResample: makeSeriesNullableTime("", nil, nullTimeTP{
unixTimePointer(2, 0), float64Pointer(2),
}, nullTimeTP{
unixTimePointer(7, 0), float64Pointer(1),
}),
},
{
name: "resample series: downsampling (mean / pad)",
interval: time.Second * 5,
downsampler: "mean",
upsampler: "pad",
timeRange: backend.TimeRange{
From: time.Unix(0, 0),
To: time.Unix(16, 0),
},
seriesToResample: makeSeriesNullableTime("", nil, nullTimeTP{
unixTimePointer(2, 0), float64Pointer(2),
}, nullTimeTP{
unixTimePointer(4, 0), float64Pointer(3),
}, nullTimeTP{
unixTimePointer(7, 0), float64Pointer(1),
}, nullTimeTP{
unixTimePointer(9, 0), float64Pointer(2),
}),
series: makeSeriesNullableTime("", nil, nullTimeTP{
unixTimePointer(0, 0), nil,
}, nullTimeTP{
unixTimePointer(5, 0), float64Pointer(2.5),
}, nullTimeTP{
unixTimePointer(10, 0), float64Pointer(1.5),
}, nullTimeTP{
unixTimePointer(15, 0), float64Pointer(2),
}),
},
{
name: "resample series: downsampling (mean / pad) (no-nullable)",
interval: time.Second * 5,
downsampler: "mean",
upsampler: "pad",
timeRange: backend.TimeRange{
From: time.Unix(0, 0),
To: time.Unix(16, 0),
},
seriesToResample: makeNoNullSeries("", nil, noNullTP{
time.Unix(2, 0), 2,
}, noNullTP{
time.Unix(4, 0), 3,
}, noNullTP{
time.Unix(7, 0), 1,
}, noNullTP{
time.Unix(9, 0), 2,
}),
series: makeSeriesNullableTime("", nil, nullTimeTP{
unixTimePointer(0, 0), nil,
}, nullTimeTP{
unixTimePointer(5, 0), float64Pointer(2.5),
}, nullTimeTP{
unixTimePointer(10, 0), float64Pointer(1.5),
}, nullTimeTP{
unixTimePointer(15, 0), float64Pointer(2),
}),
},
{
name: "resample series: downsampling (max / fillna)",
interval: time.Second * 5,
downsampler: "max",
upsampler: "fillna",
timeRange: backend.TimeRange{
From: time.Unix(0, 0),
To: time.Unix(16, 0),
},
seriesToResample: makeSeriesNullableTime("", nil, nullTimeTP{
unixTimePointer(2, 0), float64Pointer(2),
}, nullTimeTP{
unixTimePointer(4, 0), float64Pointer(3),
}, nullTimeTP{
unixTimePointer(7, 0), float64Pointer(1),
}, nullTimeTP{
unixTimePointer(9, 0), float64Pointer(2),
}),
series: makeSeriesNullableTime("", nil, nullTimeTP{
unixTimePointer(0, 0), nil,
}, nullTimeTP{
unixTimePointer(5, 0), float64Pointer(3),
}, nullTimeTP{
unixTimePointer(10, 0), float64Pointer(2),
}, nullTimeTP{
unixTimePointer(15, 0), nil,
}),
},
{
name: "resample series: downsampling (min / fillna)",
interval: time.Second * 5,
downsampler: "min",
upsampler: "fillna",
timeRange: backend.TimeRange{
From: time.Unix(0, 0),
To: time.Unix(16, 0),
},
seriesToResample: makeSeriesNullableTime("", nil, nullTimeTP{
unixTimePointer(2, 0), float64Pointer(2),
}, nullTimeTP{
unixTimePointer(4, 0), float64Pointer(3),
}, nullTimeTP{
unixTimePointer(7, 0), float64Pointer(1),
}, nullTimeTP{
unixTimePointer(9, 0), float64Pointer(2),
}),
series: makeSeriesNullableTime("", nil, nullTimeTP{
unixTimePointer(0, 0), nil,
}, nullTimeTP{
unixTimePointer(5, 0), float64Pointer(2),
}, nullTimeTP{
unixTimePointer(10, 0), float64Pointer(1),
}, nullTimeTP{
unixTimePointer(15, 0), nil,
}),
},
{
name: "resample series: downsampling (sum / fillna)",
interval: time.Second * 5,
downsampler: "sum",
upsampler: "fillna",
timeRange: backend.TimeRange{
From: time.Unix(0, 0),
To: time.Unix(16, 0),
},
seriesToResample: makeSeriesNullableTime("", nil, nullTimeTP{
unixTimePointer(2, 0), float64Pointer(2),
}, nullTimeTP{
unixTimePointer(4, 0), float64Pointer(3),
}, nullTimeTP{
unixTimePointer(7, 0), float64Pointer(1),
}, nullTimeTP{
unixTimePointer(9, 0), float64Pointer(2),
}),
series: makeSeriesNullableTime("", nil, nullTimeTP{
unixTimePointer(0, 0), nil,
}, nullTimeTP{
unixTimePointer(5, 0), float64Pointer(5),
}, nullTimeTP{
unixTimePointer(10, 0), float64Pointer(3),
}, nullTimeTP{
unixTimePointer(15, 0), nil,
}),
},
{
name: "resample series: downsampling (mean / fillna)",
interval: time.Second * 5,
downsampler: "mean",
upsampler: "fillna",
timeRange: backend.TimeRange{
From: time.Unix(0, 0),
To: time.Unix(16, 0),
},
seriesToResample: makeSeriesNullableTime("", nil, nullTimeTP{
unixTimePointer(2, 0), float64Pointer(2),
}, nullTimeTP{
unixTimePointer(4, 0), float64Pointer(3),
}, nullTimeTP{
unixTimePointer(7, 0), float64Pointer(1),
}, nullTimeTP{
unixTimePointer(9, 0), float64Pointer(2),
}),
series: makeSeriesNullableTime("", nil, nullTimeTP{
unixTimePointer(0, 0), nil,
}, nullTimeTP{
unixTimePointer(5, 0), float64Pointer(2.5),
}, nullTimeTP{
unixTimePointer(10, 0), float64Pointer(1.5),
}, nullTimeTP{
unixTimePointer(15, 0), nil,
}),
},
{
name: "resample series: upsampling (mean / pad )",
interval: time.Second * 2,
downsampler: "mean",
upsampler: "pad",
timeRange: backend.TimeRange{
From: time.Unix(0, 0),
To: time.Unix(11, 0),
},
seriesToResample: makeSeriesNullableTime("", nil, nullTimeTP{
unixTimePointer(2, 0), float64Pointer(2),
}, nullTimeTP{
unixTimePointer(7, 0), float64Pointer(1),
}),
series: makeSeriesNullableTime("", nil, nullTimeTP{
unixTimePointer(0, 0), nil,
}, nullTimeTP{
unixTimePointer(2, 0), float64Pointer(2),
}, nullTimeTP{
unixTimePointer(4, 0), float64Pointer(2),
}, nullTimeTP{
unixTimePointer(6, 0), float64Pointer(2),
}, nullTimeTP{
unixTimePointer(8, 0), float64Pointer(1),
}, nullTimeTP{
unixTimePointer(10, 0), float64Pointer(1),
}),
},
{
name: "resample series: upsampling (mean / backfilling )",
interval: time.Second * 2,
downsampler: "mean",
upsampler: "backfilling",
timeRange: backend.TimeRange{
From: time.Unix(0, 0),
To: time.Unix(11, 0),
},
seriesToResample: makeSeriesNullableTime("", nil, nullTimeTP{
unixTimePointer(2, 0), float64Pointer(2),
}, nullTimeTP{
unixTimePointer(7, 0), float64Pointer(1),
}),
series: makeSeriesNullableTime("", nil, nullTimeTP{
unixTimePointer(0, 0), float64Pointer(2),
}, nullTimeTP{
unixTimePointer(2, 0), float64Pointer(2),
}, nullTimeTP{
unixTimePointer(4, 0), float64Pointer(1),
}, nullTimeTP{
unixTimePointer(6, 0), float64Pointer(1),
}, nullTimeTP{
unixTimePointer(8, 0), float64Pointer(1),
}, nullTimeTP{
unixTimePointer(10, 0), nil,
}),
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
series, err := tt.seriesToResample.Resample("", tt.interval, tt.downsampler, tt.upsampler, tt.timeRange)
if tt.series.Frame == nil {
require.Error(t, err)
} else {
require.NoError(t, err)
assert.Equal(t, tt.series, series)
}
})
}
}
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