package trig import ( "math" "testing" "github.com/influxdb/telegraf/testutil" ) 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) } }