51 lines
911 B
Go
51 lines
911 B
Go
package chart
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import (
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"math"
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"testing"
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"github.com/blendlabs/go-assert"
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)
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func TestBollingerBandSeries(t *testing.T) {
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assert := assert.New(t)
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s1 := mockValueProvider{
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X: Seq(1.0, 100.0),
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Y: SeqRand(100, 1024),
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}
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bbs := &BollingerBandsSeries{
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InnerSeries: s1,
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}
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xvalues := make([]float64, 100)
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y1values := make([]float64, 100)
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y2values := make([]float64, 100)
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for x := 0; x < 100; x++ {
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xvalues[x], y1values[x], y2values[x] = bbs.GetBoundedValue(x)
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}
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for x := bbs.GetWindowSize(); x < 100; x++ {
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assert.True(y1values[x] > y2values[x])
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}
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}
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func TestBollingerBandLastValue(t *testing.T) {
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assert := assert.New(t)
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s1 := mockValueProvider{
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X: Seq(1.0, 100.0),
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Y: Seq(1.0, 100.0),
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}
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bbs := &BollingerBandsSeries{
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InnerSeries: s1,
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}
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x, y1, y2 := bbs.GetLastBoundedValue()
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assert.Equal(100.0, x)
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assert.Equal(101, math.Floor(y1))
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assert.Equal(83, math.Floor(y2))
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}
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