52 lines
954 B
Go
52 lines
954 B
Go
package chart
|
|
|
|
import (
|
|
"math"
|
|
"testing"
|
|
|
|
"github.com/blendlabs/go-assert"
|
|
)
|
|
|
|
func TestBollingerBandSeries(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
s1 := mockValueProvider{
|
|
X: Sequence.Float64(1.0, 100.0),
|
|
Y: Sequence.Random(100, 1024),
|
|
}
|
|
|
|
bbs := &BollingerBandsSeries{
|
|
InnerSeries: s1,
|
|
}
|
|
|
|
xvalues := make([]float64, 100)
|
|
y1values := make([]float64, 100)
|
|
y2values := make([]float64, 100)
|
|
|
|
for x := 0; x < 100; x++ {
|
|
xvalues[x], y1values[x], y2values[x] = bbs.GetBoundedValue(x)
|
|
}
|
|
|
|
for x := bbs.GetPeriod(); x < 100; x++ {
|
|
assert.True(y1values[x] > y2values[x])
|
|
}
|
|
}
|
|
|
|
func TestBollingerBandLastValue(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
s1 := mockValueProvider{
|
|
X: Sequence.Float64(1.0, 100.0),
|
|
Y: Sequence.Float64(1.0, 100.0),
|
|
}
|
|
|
|
bbs := &BollingerBandsSeries{
|
|
InnerSeries: s1,
|
|
}
|
|
|
|
x, y1, y2 := bbs.GetBoundedLastValue()
|
|
assert.Equal(100.0, x)
|
|
assert.Equal(101, math.Floor(y1))
|
|
assert.Equal(83, math.Floor(y2))
|
|
}
|