// MIT License
// Copyright (c) 2021 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 (
"bytes"
"testing"
"github.com/stretchr/testify/assert"
"github.com/wcharczuk/go-chart/v2"
"github.com/wcharczuk/go-chart/v2/drawing"
)
func TestTitleCustomize(t *testing.T) {
assert := assert.New(t)
tests := []struct {
title Title
svg string
}{
// 单行标题
{
title: Title{
Text: "Hello World!",
Style: chart.Style{
FontColor: drawing.ColorBlack,
},
},
svg: "",
},
// 多行标题，靠右
{
title: Title{
Text: "Hello World!\nHello World",
Style: chart.Style{
FontColor: drawing.ColorBlack,
},
Left: "right",
},
svg: "",
},
// 标题居中
{
title: Title{
Text: "Hello World!",
Style: chart.Style{
FontColor: drawing.ColorBlack,
},
Left: "center",
},
svg: "",
},
}
for _, tt := range tests {
r, err := chart.SVG(800, 600)
assert.Nil(err)
fn := NewTitleCustomize(tt.title)
fn(r, chart.NewBox(50, 50, 600, 400), chart.Style{
Font: chart.StyleTextDefaults().Font,
})
buf := bytes.Buffer{}
err = r.Save(&buf)
assert.Nil(err)
assert.Equal(tt.svg, buf.String())
}
}