// MIT License
// Copyright (c) 2022 Tree Xie
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
package charts
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestBarChart(t *testing.T) {
assert := assert.New(t)
tests := []struct {
render func(*Painter) ([]byte, error)
result string
}{
{
render: func(p *Painter) ([]byte, error) {
seriesList := NewSeriesListDataFromValues([][]float64{
{
2.0,
4.9,
7.0,
23.2,
25.6,
76.7,
135.6,
162.2,
32.6,
20.0,
6.4,
3.3,
},
{
2.6,
5.9,
9.0,
26.4,
28.7,
70.7,
175.6,
182.2,
48.7,
18.8,
6.0,
2.3,
},
})
for index := range seriesList {
seriesList[index].Label.Show = true
}
_, err := NewBarChart(p, BarChartOption{
Padding: Box{
Left: 10,
Top: 10,
Right: 10,
Bottom: 10,
},
SeriesList: seriesList,
XAxis: NewXAxisOption([]string{
"Jan",
"Feb",
"Mar",
"Apr",
"May",
"Jun",
"Jul",
"Aug",
"Sep",
"Oct",
"Nov",
"Dec",
}),
YAxisOptions: NewYAxisOptions([]string{
"Rainfall",
"Evaporation",
}),
}).Render()
if err != nil {
return nil, err
}
return p.Bytes()
},
result: "",
},
{
render: func(p *Painter) ([]byte, error) {
seriesList := NewSeriesListDataFromValues([][]float64{
{
2.0,
4.9,
7.0,
23.2,
25.6,
76.7,
135.6,
162.2,
32.6,
20.0,
6.4,
3.3,
},
{
2.6,
5.9,
9.0,
26.4,
28.7,
70.7,
175.6,
182.2,
48.7,
18.8,
6.0,
2.3,
},
})
for index := range seriesList {
seriesList[index].Label.Show = true
seriesList[index].RoundRadius = 5
}
_, err := NewBarChart(p, BarChartOption{
Padding: Box{
Left: 10,
Top: 10,
Right: 10,
Bottom: 10,
},
SeriesList: seriesList,
XAxis: NewXAxisOption([]string{
"Jan",
"Feb",
"Mar",
"Apr",
"May",
"Jun",
"Jul",
"Aug",
"Sep",
"Oct",
"Nov",
"Dec",
}),
YAxisOptions: NewYAxisOptions([]string{
"Rainfall",
"Evaporation",
}),
}).Render()
if err != nil {
return nil, err
}
return p.Bytes()
},
result: "",
},
}
for _, tt := range tests {
p, err := NewPainter(PainterOptions{
Type: ChartOutputSVG,
Width: 600,
Height: 400,
}, PainterThemeOption(defaultTheme))
assert.Nil(err)
data, err := tt.render(p)
assert.Nil(err)
assert.Equal(tt.result, string(data))
}
}