31 lines
541 B
Go
31 lines
541 B
Go
|
package chart
|
||
|
|
||
|
import (
|
||
|
"bytes"
|
||
|
"testing"
|
||
|
"time"
|
||
|
|
||
|
"github.com/blendlabs/go-assert"
|
||
|
)
|
||
|
|
||
|
func TestChartSingleSeries(t *testing.T) {
|
||
|
assert := assert.New(t)
|
||
|
now := time.Now()
|
||
|
c := Chart{
|
||
|
Title: "Hello!",
|
||
|
Width: 1024,
|
||
|
Height: 400,
|
||
|
Series: []Series{
|
||
|
TimeSeries{
|
||
|
Name: "Goog",
|
||
|
XValues: []time.Time{now.AddDate(0, 0, -3), now.AddDate(0, 0, -2), now.AddDate(0, 0, -1)},
|
||
|
YValues: []float64{1.0, 2.0, 3.0},
|
||
|
},
|
||
|
},
|
||
|
}
|
||
|
|
||
|
buffer := bytes.NewBuffer([]byte{})
|
||
|
c.Render(PNG, buffer)
|
||
|
assert.NotEmpty(buffer.Bytes())
|
||
|
}
|