114 lines
2.2 KiB
Go
114 lines
2.2 KiB
Go
package chart
|
|
|
|
import (
|
|
"testing"
|
|
|
|
"github.com/blend/go-sdk/assert"
|
|
"git.gutmet.org/go-chart.git/seq"
|
|
"git.gutmet.org/go-chart.git/util"
|
|
)
|
|
|
|
type mockValuesProvider struct {
|
|
X []float64
|
|
Y []float64
|
|
}
|
|
|
|
func (m mockValuesProvider) Len() int {
|
|
return util.Math.MinInt(len(m.X), len(m.Y))
|
|
}
|
|
|
|
func (m mockValuesProvider) GetValues(index int) (x, y float64) {
|
|
if index < 0 {
|
|
panic("negative index at GetValue()")
|
|
}
|
|
if index >= util.Math.MinInt(len(m.X), len(m.Y)) {
|
|
panic("index is outside the length of m.X or m.Y")
|
|
}
|
|
x = m.X[index]
|
|
y = m.Y[index]
|
|
return
|
|
}
|
|
|
|
func TestSMASeriesGetValue(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
mockSeries := mockValuesProvider{
|
|
seq.Range(1.0, 10.0),
|
|
seq.Range(10, 1.0),
|
|
}
|
|
assert.Equal(10, mockSeries.Len())
|
|
|
|
mas := &SMASeries{
|
|
InnerSeries: mockSeries,
|
|
Period: 10,
|
|
}
|
|
|
|
var yvalues []float64
|
|
for x := 0; x < mas.Len(); x++ {
|
|
_, y := mas.GetValues(x)
|
|
yvalues = append(yvalues, y)
|
|
}
|
|
|
|
assert.Equal(10.0, yvalues[0])
|
|
assert.Equal(9.5, yvalues[1])
|
|
assert.Equal(9.0, yvalues[2])
|
|
assert.Equal(8.5, yvalues[3])
|
|
assert.Equal(8.0, yvalues[4])
|
|
assert.Equal(7.5, yvalues[5])
|
|
assert.Equal(7.0, yvalues[6])
|
|
assert.Equal(6.5, yvalues[7])
|
|
assert.Equal(6.0, yvalues[8])
|
|
}
|
|
|
|
func TestSMASeriesGetLastValueWindowOverlap(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
mockSeries := mockValuesProvider{
|
|
seq.Range(1.0, 10.0),
|
|
seq.Range(10, 1.0),
|
|
}
|
|
assert.Equal(10, mockSeries.Len())
|
|
|
|
mas := &SMASeries{
|
|
InnerSeries: mockSeries,
|
|
Period: 15,
|
|
}
|
|
|
|
var yvalues []float64
|
|
for x := 0; x < mas.Len(); x++ {
|
|
_, y := mas.GetValues(x)
|
|
yvalues = append(yvalues, y)
|
|
}
|
|
|
|
lx, ly := mas.GetLastValues()
|
|
assert.Equal(10.0, lx)
|
|
assert.Equal(5.5, ly)
|
|
assert.Equal(yvalues[len(yvalues)-1], ly)
|
|
}
|
|
|
|
func TestSMASeriesGetLastValue(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
mockSeries := mockValuesProvider{
|
|
seq.Range(1.0, 100.0),
|
|
seq.Range(100, 1.0),
|
|
}
|
|
assert.Equal(100, mockSeries.Len())
|
|
|
|
mas := &SMASeries{
|
|
InnerSeries: mockSeries,
|
|
Period: 10,
|
|
}
|
|
|
|
var yvalues []float64
|
|
for x := 0; x < mas.Len(); x++ {
|
|
_, y := mas.GetValues(x)
|
|
yvalues = append(yvalues, y)
|
|
}
|
|
|
|
lx, ly := mas.GetLastValues()
|
|
assert.Equal(100.0, lx)
|
|
assert.Equal(6, ly)
|
|
assert.Equal(yvalues[len(yvalues)-1], ly)
|
|
}
|