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28 lines
707 B
Go
28 lines
707 B
Go
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package indicatorv2
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/c9s/bbgo/pkg/types"
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)
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func TestSMMA(t *testing.T) {
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source := types.NewFloat64Series()
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smma := SMMA2(source, 3)
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data := []float64{10, 20, 30, 40, 50, 60, 70, 80, 90}
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for _, d := range data {
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source.PushAndEmit(d)
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}
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// Assert the first 3 and last 3 value outputs.
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assert.InDelta(t, 0, smma.Last(len(data)-1), 0.001)
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assert.InDelta(t, 0, smma.Last(len(data)-2), 0.001)
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assert.InDelta(t, 20, smma.Last(len(data)-3), 0.001)
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assert.InDelta(t, 51.97530864197531, smma.Last(2), 0.001)
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assert.InDelta(t, 61.31687242798355, smma.Last(1), 0.001)
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assert.InDelta(t, 70.87791495198904, smma.Last(0), 0.001)
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}
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