telegraf/plugins/inputs/trig/trig_test.go

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package trig
import (
"math"
"testing"
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"github.com/influxdata/telegraf/testutil"
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)
func TestTrig(t *testing.T) {
s := &Trig{
Amplitude: 10.0,
}
for i := 0.0; i < 10.0; i++ {
var acc testutil.Accumulator
sine := math.Sin((i*math.Pi)/5.0) * s.Amplitude
cosine := math.Cos((i*math.Pi)/5.0) * s.Amplitude
s.Gather(&acc)
fields := make(map[string]interface{})
fields["sine"] = sine
fields["cosine"] = cosine
acc.AssertContainsFields(t, "trig", fields)
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}
}