157 lines
3.2 KiB
Go
157 lines
3.2 KiB
Go
package chart
|
|
|
|
import (
|
|
"image/color"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/blendlabs/go-assert"
|
|
"github.com/wcharczuk/go-chart/drawing"
|
|
)
|
|
|
|
func TestCreateContinuousSeriesLastValueLabel(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
as := CreateContinuousSeriesLastValueLabel("test", []float64{1, 2, 3}, []float64{4, 5, 6}, FloatValueFormatter)
|
|
assert.Equal("test", as.GetName())
|
|
assert.False(as.GetStyle().IsZero())
|
|
assert.True(as.GetStyle().Show)
|
|
assert.NotEmpty(as.Annotations)
|
|
assert.Equal(3.0, as.Annotations[0].X)
|
|
assert.Equal(6.0, as.Annotations[0].Y)
|
|
assert.Equal("6.00", as.Annotations[0].Label)
|
|
}
|
|
|
|
func TestCreateTimeSeriesLastValueLabel(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
d := time.Now().AddDate(0, 0, -1)
|
|
|
|
as := CreateTimeSeriesLastValueLabel("test", []time.Time{
|
|
time.Now().AddDate(0, 0, -3),
|
|
time.Now().AddDate(0, 0, -2),
|
|
d,
|
|
}, []float64{4, 5, 6}, FloatValueFormatter)
|
|
assert.Equal("test", as.GetName())
|
|
assert.False(as.GetStyle().IsZero())
|
|
assert.True(as.GetStyle().Show)
|
|
assert.NotEmpty(as.Annotations)
|
|
assert.Equal(float64(d.Unix()), as.Annotations[0].X)
|
|
assert.Equal(6.0, as.Annotations[0].Y)
|
|
assert.Equal("6.00", as.Annotations[0].Label)
|
|
}
|
|
|
|
func TestAnnotationSeriesMeasure(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
as := AnnotationSeries{
|
|
Style: Style{
|
|
Show: true,
|
|
},
|
|
Annotations: []Annotation{
|
|
Annotation{X: 1.0, Y: 1.0, Label: "1.0"},
|
|
Annotation{X: 2.0, Y: 2.0, Label: "2.0"},
|
|
Annotation{X: 3.0, Y: 3.0, Label: "3.0"},
|
|
Annotation{X: 4.0, Y: 4.0, Label: "4.0"},
|
|
},
|
|
}
|
|
|
|
r, err := PNG(110, 110)
|
|
assert.Nil(err)
|
|
|
|
f, err := GetDefaultFont()
|
|
assert.Nil(err)
|
|
|
|
xrange := Range{
|
|
Min: 1.0,
|
|
Max: 4.0,
|
|
Domain: 100,
|
|
}
|
|
yrange := Range{
|
|
Min: 1.0,
|
|
Max: 4.0,
|
|
Domain: 100,
|
|
}
|
|
|
|
cb := Box{
|
|
Top: 5,
|
|
Left: 5,
|
|
Right: 105,
|
|
Bottom: 105,
|
|
Height: 100,
|
|
Width: 100,
|
|
}
|
|
sd := Style{
|
|
FontSize: 10.0,
|
|
Font: f,
|
|
}
|
|
|
|
box := as.Measure(r, cb, xrange, yrange, sd)
|
|
assert.False(box.IsZero())
|
|
assert.Equal(-5.0, box.Top)
|
|
assert.Equal(5.0, box.Left)
|
|
assert.Equal(139.0, box.Right) //the top,left annotation sticks up 5px and out ~44px.
|
|
assert.Equal(115.0, box.Bottom)
|
|
}
|
|
|
|
func TestAnnotationSeriesRender(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
as := AnnotationSeries{
|
|
Style: Style{
|
|
Show: true,
|
|
FillColor: drawing.ColorWhite,
|
|
StrokeColor: drawing.ColorBlack,
|
|
},
|
|
Annotations: []Annotation{
|
|
Annotation{X: 1.0, Y: 1.0, Label: "1.0"},
|
|
Annotation{X: 2.0, Y: 2.0, Label: "2.0"},
|
|
Annotation{X: 3.0, Y: 3.0, Label: "3.0"},
|
|
Annotation{X: 4.0, Y: 4.0, Label: "4.0"},
|
|
},
|
|
}
|
|
|
|
r, err := PNG(110, 110)
|
|
assert.Nil(err)
|
|
|
|
f, err := GetDefaultFont()
|
|
assert.Nil(err)
|
|
|
|
xrange := Range{
|
|
Min: 1.0,
|
|
Max: 4.0,
|
|
Domain: 100,
|
|
}
|
|
yrange := Range{
|
|
Min: 1.0,
|
|
Max: 4.0,
|
|
Domain: 100,
|
|
}
|
|
|
|
cb := Box{
|
|
Top: 5,
|
|
Left: 5,
|
|
Right: 105,
|
|
Bottom: 105,
|
|
Height: 100,
|
|
Width: 100,
|
|
}
|
|
sd := Style{
|
|
FontSize: 10.0,
|
|
Font: f,
|
|
}
|
|
|
|
as.Render(r, cb, xrange, yrange, sd)
|
|
|
|
rr, isRaster := r.(*rasterRenderer)
|
|
assert.True(isRaster)
|
|
assert.NotNil(rr)
|
|
|
|
c := rr.i.At(39, 70)
|
|
converted, isRGBA := color.RGBAModel.Convert(c).(color.RGBA)
|
|
assert.True(isRGBA)
|
|
assert.Equal(3, converted.R)
|
|
assert.Equal(3, converted.G)
|
|
assert.Equal(3, converted.B)
|
|
}
|