mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
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d261fa2885
`deriv_fast` calculates derivative based on the first and the last point on the interval instead of calculating linear regression based on all the data points on the interval. Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/73
651 lines
20 KiB
Go
651 lines
20 KiB
Go
package promql
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import (
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"math"
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"testing"
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)
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var (
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testValues = []float64{123, 34, 44, 21, 54, 34, 99, 12, 44, 32, 34, 34}
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testTimestamps = []int64{5, 15, 24, 36, 49, 60, 78, 80, 97, 115, 120, 130}
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)
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func TestRemoveCounterResets(t *testing.T) {
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removeCounterResets(nil)
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values := append([]float64{}, testValues...)
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removeCounterResets(values)
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valuesExpected := []float64{123, 157, 167, 188, 221, 255, 320, 332, 364, 396, 398, 398}
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testRowsEqual(t, values, testTimestamps, valuesExpected, testTimestamps)
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// removeCounterResets doesn't expect negative values, so it doesn't work properly with them.
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values = []float64{-100, -200, -300, -400}
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removeCounterResets(values)
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valuesExpected = []float64{-100, -300, -600, -1000}
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timestampsExpected := []int64{0, 1, 2, 3}
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testRowsEqual(t, values, timestampsExpected, valuesExpected, timestampsExpected)
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// verify how jitter from `Prometheus HA pairs` is handled
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values = []float64{100, 95, 120, 140, 137, 50}
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removeCounterResets(values)
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valuesExpected = []float64{100, 100, 120, 140, 140, 190}
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timestampsExpected = []int64{0, 1, 2, 3, 4, 5}
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testRowsEqual(t, values, timestampsExpected, valuesExpected, timestampsExpected)
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}
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func TestDeltaValues(t *testing.T) {
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deltaValues(nil)
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values := []float64{123}
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deltaValues(values)
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valuesExpected := []float64{nan}
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testRowsEqual(t, values, testTimestamps[:1], valuesExpected, testTimestamps[:1])
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values = append([]float64{}, testValues...)
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deltaValues(values)
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valuesExpected = []float64{-89, 10, -23, 33, -20, 65, -87, 32, -12, 2, 0, nan}
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testRowsEqual(t, values, testTimestamps, valuesExpected, testTimestamps)
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// remove counter resets
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values = append([]float64{}, testValues...)
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removeCounterResets(values)
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deltaValues(values)
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valuesExpected = []float64{34, 10, 21, 33, 34, 65, 12, 32, 32, 2, 0, nan}
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testRowsEqual(t, values, testTimestamps, valuesExpected, testTimestamps)
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}
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func TestDerivValues(t *testing.T) {
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derivValues(nil, nil)
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values := []float64{123}
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derivValues(values, testTimestamps[:1])
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valuesExpected := []float64{nan}
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testRowsEqual(t, values, testTimestamps[:1], valuesExpected, testTimestamps[:1])
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values = append([]float64{}, testValues...)
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derivValues(values, testTimestamps)
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valuesExpected = []float64{-8900, 1111.111111111111, -1916.6666666666665, 2538.461538461538, -1818.1818181818182, 3611.111111111111,
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-43500, 1882.3529411764705, -666.6666666666666, 400, 0, nan}
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testRowsEqual(t, values, testTimestamps, valuesExpected, testTimestamps)
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// remove counter resets
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values = append([]float64{}, testValues...)
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removeCounterResets(values)
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derivValues(values, testTimestamps)
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valuesExpected = []float64{3400, 1111.111111111111, 1750, 2538.461538461538, 3090.909090909091, 3611.111111111111,
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6000, 1882.3529411764705, 1777.7777777777776, 400, 0, nan}
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testRowsEqual(t, values, testTimestamps, valuesExpected, testTimestamps)
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}
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func testRollupFunc(t *testing.T, funcName string, args []interface{}, meExpected *metricExpr, vExpected float64) {
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t.Helper()
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nrf := getRollupFunc(funcName)
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if nrf == nil {
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t.Fatalf("cannot obtain %q", funcName)
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}
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rf, err := nrf(args)
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if err != nil {
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t.Fatalf("unexpected error: %s", err)
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}
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var rfa rollupFuncArg
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rfa.prevValue = nan
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rfa.prevTimestamp = 0
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rfa.values = append(rfa.values, testValues...)
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rfa.timestamps = append(rfa.timestamps, testTimestamps...)
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if rollupFuncsRemoveCounterResets[funcName] {
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removeCounterResets(rfa.values)
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}
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for i := 0; i < 5; i++ {
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v := rf(&rfa)
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if math.IsNaN(vExpected) {
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if !math.IsNaN(v) {
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t.Fatalf("unexpected value; got %v; want %v", v, vExpected)
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}
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} else {
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if v != vExpected {
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t.Fatalf("unexpected value; got %v; want %v", v, vExpected)
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}
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}
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}
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}
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func TestRollupQuantileOverTime(t *testing.T) {
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f := func(phi, vExpected float64) {
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t.Helper()
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phis := []*timeseries{{
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Values: []float64{phi},
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Timestamps: []int64{123},
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}}
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var me metricExpr
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args := []interface{}{phis, &rollupExpr{Expr: &me}}
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testRollupFunc(t, "quantile_over_time", args, &me, vExpected)
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}
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f(-123, 12)
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f(-0.5, 12)
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f(0, 12)
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f(0.1, 21)
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f(0.5, 34)
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f(0.9, 99)
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f(1, 123)
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f(234, 123)
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}
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func TestRollupPredictLinear(t *testing.T) {
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f := func(sec, vExpected float64) {
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t.Helper()
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secs := []*timeseries{{
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Values: []float64{sec},
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Timestamps: []int64{123},
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}}
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var me metricExpr
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args := []interface{}{&rollupExpr{Expr: &me}, secs}
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testRollupFunc(t, "predict_linear", args, &me, vExpected)
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}
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f(0e-3, 63.739757761102624)
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f(50e-3, 50.39682764539959)
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f(100e-3, 37.053897529696556)
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f(200e-3, 10.368037298290488)
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}
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func TestRollupHoltWinters(t *testing.T) {
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f := func(sf, tf, vExpected float64) {
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t.Helper()
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sfs := []*timeseries{{
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Values: []float64{sf},
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Timestamps: []int64{123},
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}}
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tfs := []*timeseries{{
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Values: []float64{tf},
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Timestamps: []int64{123},
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}}
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var me metricExpr
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args := []interface{}{&rollupExpr{Expr: &me}, sfs, tfs}
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testRollupFunc(t, "holt_winters", args, &me, vExpected)
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}
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f(-1, 0.5, nan)
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f(0, 0.5, nan)
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f(1, 0.5, nan)
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f(2, 0.5, nan)
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f(0.5, -1, nan)
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f(0.5, 0, nan)
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f(0.5, 1, nan)
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f(0.5, 2, nan)
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f(0.5, 0.5, 34.97794532775879)
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f(0.1, 0.5, -131.30529492371622)
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f(0.1, 0.1, -397.3307790780296)
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f(0.5, 0.1, -5.791530520284198)
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f(0.5, 0.9, 25.498906408926757)
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f(0.9, 0.9, 33.99637566941818)
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}
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func TestRollupNewRollupFuncSuccess(t *testing.T) {
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f := func(funcName string, vExpected float64) {
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t.Helper()
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var me metricExpr
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args := []interface{}{&rollupExpr{Expr: &me}}
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testRollupFunc(t, funcName, args, &me, vExpected)
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}
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f("default_rollup", 34)
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f("changes", 10)
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f("delta", -89)
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f("deriv", -266.85860231406065)
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f("deriv_fast", -712)
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f("idelta", 0)
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f("increase", 275)
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f("irate", 0)
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f("rate", 2200)
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f("resets", 5)
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f("avg_over_time", 47.083333333333336)
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f("min_over_time", 12)
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f("max_over_time", 123)
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f("sum_over_time", 565)
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f("count_over_time", 12)
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f("stddev_over_time", 30.752935722554287)
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f("stdvar_over_time", 945.7430555555555)
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f("first_over_time", 123)
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f("last_over_time", 34)
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f("integrate", 61.0275)
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}
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func TestRollupNewRollupFuncError(t *testing.T) {
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if nrf := getRollupFunc("non-existing-func"); nrf != nil {
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t.Fatalf("expecting nil func; got %p", nrf)
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}
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f := func(funcName string, args []interface{}) {
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t.Helper()
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nrf := getRollupFunc(funcName)
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rf, err := nrf(args)
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if err == nil {
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t.Fatalf("expecting non-nil error")
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}
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if rf != nil {
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t.Fatalf("expecting nil rf; got %p", rf)
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}
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}
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// Invalid number of args
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f("default_rollup", nil)
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f("holt_winters", nil)
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f("predict_linear", nil)
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f("quantile_over_time", nil)
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// Invalid arg type
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scalarTs := []*timeseries{{
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Values: []float64{321},
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Timestamps: []int64{123},
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}}
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me := &metricExpr{}
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f("holt_winters", []interface{}{123, 123, 321})
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f("holt_winters", []interface{}{me, 123, 321})
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f("holt_winters", []interface{}{me, scalarTs, 321})
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f("predict_linear", []interface{}{123, 123})
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f("predict_linear", []interface{}{me, 123})
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f("quantile_over_time", []interface{}{123, 123})
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}
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func TestRollupNoWindowNoPoints(t *testing.T) {
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t.Run("beforeStart", func(t *testing.T) {
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rc := rollupConfig{
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Func: rollupFirst,
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Start: 0,
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End: 4,
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Step: 1,
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Window: 0,
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}
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rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
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values := rc.Do(nil, testValues, testTimestamps)
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valuesExpected := []float64{nan, nan, nan, nan, nan}
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timestampsExpected := []int64{0, 1, 2, 3, 4}
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testRowsEqual(t, values, rc.Timestamps, valuesExpected, timestampsExpected)
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})
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t.Run("afterEnd", func(t *testing.T) {
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rc := rollupConfig{
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Func: rollupDelta,
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Start: 120,
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End: 144,
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Step: 4,
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Window: 0,
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}
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rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
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values := rc.Do(nil, testValues, testTimestamps)
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valuesExpected := []float64{2, 2, 2, 0, 0, 0, nan}
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timestampsExpected := []int64{120, 124, 128, 132, 136, 140, 144}
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testRowsEqual(t, values, rc.Timestamps, valuesExpected, timestampsExpected)
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})
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}
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func TestRollupWindowNoPoints(t *testing.T) {
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t.Run("beforeStart", func(t *testing.T) {
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rc := rollupConfig{
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Func: rollupFirst,
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Start: 0,
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End: 4,
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Step: 1,
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Window: 3,
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}
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rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
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values := rc.Do(nil, testValues, testTimestamps)
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valuesExpected := []float64{nan, nan, nan, nan, nan}
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timestampsExpected := []int64{0, 1, 2, 3, 4}
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testRowsEqual(t, values, rc.Timestamps, valuesExpected, timestampsExpected)
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})
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t.Run("afterEnd", func(t *testing.T) {
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rc := rollupConfig{
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Func: rollupFirst,
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Start: 141,
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End: 171,
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Step: 10,
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Window: 3,
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}
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rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
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values := rc.Do(nil, testValues, testTimestamps)
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valuesExpected := []float64{34, 34, nan, nan}
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timestampsExpected := []int64{141, 151, 161, 171}
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testRowsEqual(t, values, rc.Timestamps, valuesExpected, timestampsExpected)
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})
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}
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func TestRollupNoWindowPartialPoints(t *testing.T) {
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t.Run("beforeStart", func(t *testing.T) {
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rc := rollupConfig{
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Func: rollupFirst,
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Start: 0,
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End: 20,
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Step: 5,
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Window: 0,
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}
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rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
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values := rc.Do(nil, testValues, testTimestamps)
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valuesExpected := []float64{nan, 123, 123, 123, 123}
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timestampsExpected := []int64{0, 5, 10, 15, 20}
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testRowsEqual(t, values, rc.Timestamps, valuesExpected, timestampsExpected)
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})
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t.Run("afterEnd", func(t *testing.T) {
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rc := rollupConfig{
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Func: rollupFirst,
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Start: 100,
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End: 160,
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Step: 20,
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Window: 0,
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}
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rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
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values := rc.Do(nil, testValues, testTimestamps)
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valuesExpected := []float64{12, 44, 34, 34}
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timestampsExpected := []int64{100, 120, 140, 160}
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testRowsEqual(t, values, rc.Timestamps, valuesExpected, timestampsExpected)
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})
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t.Run("middle", func(t *testing.T) {
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rc := rollupConfig{
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Func: rollupFirst,
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Start: -50,
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End: 150,
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Step: 50,
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Window: 0,
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}
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rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
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values := rc.Do(nil, testValues, testTimestamps)
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valuesExpected := []float64{nan, nan, 123, 54, 44}
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timestampsExpected := []int64{-50, 0, 50, 100, 150}
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testRowsEqual(t, values, rc.Timestamps, valuesExpected, timestampsExpected)
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})
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}
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func TestRollupWindowPartialPoints(t *testing.T) {
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t.Run("beforeStart", func(t *testing.T) {
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rc := rollupConfig{
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Func: rollupLast,
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Start: 0,
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End: 20,
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Step: 5,
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Window: 8,
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}
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rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
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values := rc.Do(nil, testValues, testTimestamps)
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valuesExpected := []float64{nan, 123, 123, 34, 34}
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timestampsExpected := []int64{0, 5, 10, 15, 20}
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testRowsEqual(t, values, rc.Timestamps, valuesExpected, timestampsExpected)
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})
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t.Run("afterEnd", func(t *testing.T) {
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rc := rollupConfig{
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Func: rollupLast,
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Start: 100,
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End: 160,
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Step: 20,
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Window: 18,
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}
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rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
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values := rc.Do(nil, testValues, testTimestamps)
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valuesExpected := []float64{44, 34, 34, nan}
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timestampsExpected := []int64{100, 120, 140, 160}
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testRowsEqual(t, values, rc.Timestamps, valuesExpected, timestampsExpected)
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})
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t.Run("middle", func(t *testing.T) {
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rc := rollupConfig{
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Func: rollupLast,
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Start: 0,
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End: 150,
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Step: 50,
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Window: 19,
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}
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rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
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values := rc.Do(nil, testValues, testTimestamps)
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valuesExpected := []float64{nan, 54, 44, nan}
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timestampsExpected := []int64{0, 50, 100, 150}
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testRowsEqual(t, values, rc.Timestamps, valuesExpected, timestampsExpected)
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})
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}
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func TestRollupFuncsNoWindow(t *testing.T) {
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t.Run("first", func(t *testing.T) {
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rc := rollupConfig{
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Func: rollupFirst,
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Start: 0,
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End: 160,
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Step: 40,
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Window: 0,
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}
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rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
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values := rc.Do(nil, testValues, testTimestamps)
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valuesExpected := []float64{nan, 123, 21, 12, 34}
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timestampsExpected := []int64{0, 40, 80, 120, 160}
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testRowsEqual(t, values, rc.Timestamps, valuesExpected, timestampsExpected)
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})
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t.Run("count", func(t *testing.T) {
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rc := rollupConfig{
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Func: rollupCount,
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Start: 0,
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End: 160,
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Step: 40,
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Window: 0,
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}
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rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
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values := rc.Do(nil, testValues, testTimestamps)
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valuesExpected := []float64{nan, 4, 4, 3, 1}
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timestampsExpected := []int64{0, 40, 80, 120, 160}
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testRowsEqual(t, values, rc.Timestamps, valuesExpected, timestampsExpected)
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})
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t.Run("min", func(t *testing.T) {
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rc := rollupConfig{
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Func: rollupMin,
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Start: 0,
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End: 160,
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Step: 40,
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Window: 0,
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}
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rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
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values := rc.Do(nil, testValues, testTimestamps)
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valuesExpected := []float64{nan, 21, 12, 32, 34}
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timestampsExpected := []int64{0, 40, 80, 120, 160}
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testRowsEqual(t, values, rc.Timestamps, valuesExpected, timestampsExpected)
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})
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t.Run("max", func(t *testing.T) {
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rc := rollupConfig{
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Func: rollupMax,
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Start: 0,
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End: 160,
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Step: 40,
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Window: 0,
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}
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rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
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values := rc.Do(nil, testValues, testTimestamps)
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valuesExpected := []float64{nan, 123, 99, 44, 34}
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timestampsExpected := []int64{0, 40, 80, 120, 160}
|
|
testRowsEqual(t, values, rc.Timestamps, valuesExpected, timestampsExpected)
|
|
})
|
|
t.Run("sum", func(t *testing.T) {
|
|
rc := rollupConfig{
|
|
Func: rollupSum,
|
|
Start: 0,
|
|
End: 160,
|
|
Step: 40,
|
|
Window: 0,
|
|
}
|
|
rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
|
|
values := rc.Do(nil, testValues, testTimestamps)
|
|
valuesExpected := []float64{nan, 222, 199, 110, 34}
|
|
timestampsExpected := []int64{0, 40, 80, 120, 160}
|
|
testRowsEqual(t, values, rc.Timestamps, valuesExpected, timestampsExpected)
|
|
})
|
|
t.Run("delta", func(t *testing.T) {
|
|
rc := rollupConfig{
|
|
Func: rollupDelta,
|
|
Start: 0,
|
|
End: 160,
|
|
Step: 40,
|
|
Window: 0,
|
|
}
|
|
rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
|
|
values := rc.Do(nil, testValues, testTimestamps)
|
|
valuesExpected := []float64{nan, -102, -9, 22, 0}
|
|
timestampsExpected := []int64{0, 40, 80, 120, 160}
|
|
testRowsEqual(t, values, rc.Timestamps, valuesExpected, timestampsExpected)
|
|
})
|
|
t.Run("idelta", func(t *testing.T) {
|
|
rc := rollupConfig{
|
|
Func: rollupIdelta,
|
|
Start: 10,
|
|
End: 130,
|
|
Step: 40,
|
|
Window: 0,
|
|
}
|
|
rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
|
|
values := rc.Do(nil, testValues, testTimestamps)
|
|
valuesExpected := []float64{nan, 33, -87, 0}
|
|
timestampsExpected := []int64{10, 50, 90, 130}
|
|
testRowsEqual(t, values, rc.Timestamps, valuesExpected, timestampsExpected)
|
|
})
|
|
t.Run("changes", func(t *testing.T) {
|
|
rc := rollupConfig{
|
|
Func: rollupChanges,
|
|
Start: 0,
|
|
End: 160,
|
|
Step: 40,
|
|
Window: 0,
|
|
}
|
|
rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
|
|
values := rc.Do(nil, testValues, testTimestamps)
|
|
valuesExpected := []float64{nan, 3, 4, 3, 0}
|
|
timestampsExpected := []int64{0, 40, 80, 120, 160}
|
|
testRowsEqual(t, values, rc.Timestamps, valuesExpected, timestampsExpected)
|
|
})
|
|
t.Run("resets", func(t *testing.T) {
|
|
rc := rollupConfig{
|
|
Func: rollupResets,
|
|
Start: 0,
|
|
End: 160,
|
|
Step: 40,
|
|
Window: 0,
|
|
}
|
|
rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
|
|
values := rc.Do(nil, testValues, testTimestamps)
|
|
valuesExpected := []float64{nan, 2, 2, 1, 0}
|
|
timestampsExpected := []int64{0, 40, 80, 120, 160}
|
|
testRowsEqual(t, values, rc.Timestamps, valuesExpected, timestampsExpected)
|
|
})
|
|
t.Run("avg", func(t *testing.T) {
|
|
rc := rollupConfig{
|
|
Func: rollupAvg,
|
|
Start: 0,
|
|
End: 160,
|
|
Step: 40,
|
|
Window: 0,
|
|
}
|
|
rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
|
|
values := rc.Do(nil, testValues, testTimestamps)
|
|
valuesExpected := []float64{nan, 55.5, 49.75, 36.666666666666664, 34}
|
|
timestampsExpected := []int64{0, 40, 80, 120, 160}
|
|
testRowsEqual(t, values, rc.Timestamps, valuesExpected, timestampsExpected)
|
|
})
|
|
t.Run("deriv", func(t *testing.T) {
|
|
rc := rollupConfig{
|
|
Func: rollupDerivSlow,
|
|
Start: 0,
|
|
End: 160,
|
|
Step: 40,
|
|
Window: 0,
|
|
}
|
|
rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
|
|
values := rc.Do(nil, testValues, testTimestamps)
|
|
valuesExpected := []float64{nan, -2879.310344827587, 558.0608793686592, 422.84569138276544, 0}
|
|
timestampsExpected := []int64{0, 40, 80, 120, 160}
|
|
testRowsEqual(t, values, rc.Timestamps, valuesExpected, timestampsExpected)
|
|
})
|
|
t.Run("ideriv", func(t *testing.T) {
|
|
rc := rollupConfig{
|
|
Func: rollupIderiv,
|
|
Start: 0,
|
|
End: 160,
|
|
Step: 40,
|
|
Window: 0,
|
|
}
|
|
rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
|
|
values := rc.Do(nil, testValues, testTimestamps)
|
|
valuesExpected := []float64{nan, -1916.6666666666665, -43500, 400, 0}
|
|
timestampsExpected := []int64{0, 40, 80, 120, 160}
|
|
testRowsEqual(t, values, rc.Timestamps, valuesExpected, timestampsExpected)
|
|
})
|
|
t.Run("stddev", func(t *testing.T) {
|
|
rc := rollupConfig{
|
|
Func: rollupStddev,
|
|
Start: 0,
|
|
End: 160,
|
|
Step: 40,
|
|
Window: 0,
|
|
}
|
|
rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
|
|
values := rc.Do(nil, testValues, testTimestamps)
|
|
valuesExpected := []float64{nan, 39.81519810323691, 32.080952292598795, 5.2493385826745405, 0}
|
|
timestampsExpected := []int64{0, 40, 80, 120, 160}
|
|
testRowsEqual(t, values, rc.Timestamps, valuesExpected, timestampsExpected)
|
|
})
|
|
t.Run("integrate", func(t *testing.T) {
|
|
rc := rollupConfig{
|
|
Func: rollupIntegrate,
|
|
Start: 0,
|
|
End: 160,
|
|
Step: 40,
|
|
Window: 0,
|
|
}
|
|
rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
|
|
values := rc.Do(nil, testValues, testTimestamps)
|
|
valuesExpected := []float64{nan, 4.6035, 4.3934999999999995, 2.166, 0.34}
|
|
timestampsExpected := []int64{0, 40, 80, 120, 160}
|
|
testRowsEqual(t, values, rc.Timestamps, valuesExpected, timestampsExpected)
|
|
})
|
|
t.Run("distinct", func(t *testing.T) {
|
|
rc := rollupConfig{
|
|
Func: rollupDistinct,
|
|
Start: 0,
|
|
End: 160,
|
|
Step: 40,
|
|
Window: 0,
|
|
}
|
|
rc.Timestamps = getTimestamps(rc.Start, rc.End, rc.Step)
|
|
values := rc.Do(nil, testValues, testTimestamps)
|
|
valuesExpected := []float64{nan, 4, 4, 3, 1}
|
|
timestampsExpected := []int64{0, 40, 80, 120, 160}
|
|
testRowsEqual(t, values, rc.Timestamps, valuesExpected, timestampsExpected)
|
|
})
|
|
}
|
|
|
|
func testRowsEqual(t *testing.T, values []float64, timestamps []int64, valuesExpected []float64, timestampsExpected []int64) {
|
|
t.Helper()
|
|
if len(values) != len(valuesExpected) {
|
|
t.Fatalf("unexpected len(values); got %d; want %d\nvalues=\n%v\nvaluesExpected=\n%v",
|
|
len(values), len(valuesExpected), values, valuesExpected)
|
|
}
|
|
if len(timestamps) != len(timestampsExpected) {
|
|
t.Fatalf("unexpected len(timestamps); got %d; want %d\ntimestamps=\n%v\ntimestampsExpected=\n%v",
|
|
len(timestamps), len(timestampsExpected), timestamps, timestampsExpected)
|
|
}
|
|
if len(values) != len(timestamps) {
|
|
t.Fatalf("len(values) doesn't match len(timestamps); got %d vs %d", len(values), len(timestamps))
|
|
}
|
|
for i, v := range values {
|
|
ts := timestamps[i]
|
|
tsExpected := timestampsExpected[i]
|
|
if ts != tsExpected {
|
|
t.Fatalf("unexpected timestamp at timestamps[%d]; got %d; want %d\ntimestamps=\n%v\ntimestampsExpected=\n%v",
|
|
i, ts, tsExpected, timestamps, timestampsExpected)
|
|
}
|
|
vExpected := valuesExpected[i]
|
|
if math.IsNaN(v) {
|
|
if !math.IsNaN(vExpected) {
|
|
t.Fatalf("unexpected nan value at values[%d]; want %f\nvalues=\n%v\nvaluesExpected=\n%v",
|
|
i, vExpected, values, valuesExpected)
|
|
}
|
|
continue
|
|
}
|
|
if v != vExpected {
|
|
t.Fatalf("unexpected value at values[%d]; got %f; want %f\nvalues=\n%v\nvaluesExpected=\n%v",
|
|
i, v, vExpected, values, valuesExpected)
|
|
}
|
|
}
|
|
}
|