85 lines
3.2 KiB
Go
85 lines
3.2 KiB
Go
// MIT License
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// Copyright (c) 2021 Tree Xie
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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package charts
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import (
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"bytes"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/wcharczuk/go-chart/v2"
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"github.com/wcharczuk/go-chart/v2/drawing"
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)
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func TestTitleCustomize(t *testing.T) {
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assert := assert.New(t)
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tests := []struct {
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title Title
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svg string
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}{
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// 单行标题
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{
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title: Title{
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Text: "Hello World!",
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Style: chart.Style{
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FontColor: drawing.ColorBlack,
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},
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},
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svg: "<svg xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" width=\"800\" height=\"600\">\\n<text x=\"50\" y=\"71\" style=\"stroke-width:0;stroke:none;fill:rgba(0,0,0,1.0);font-size:23.0px;font-family:'Roboto Medium',sans-serif\">Hello World!</text></svg>",
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},
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// 多行标题，靠右
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{
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title: Title{
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Text: "Hello World!\nHello World",
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Style: chart.Style{
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FontColor: drawing.ColorBlack,
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},
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Left: "right",
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},
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svg: "<svg xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" width=\"800\" height=\"600\">\\n<text x=\"474\" y=\"71\" style=\"stroke-width:0;stroke:none;fill:rgba(0,0,0,1.0);font-size:23.0px;font-family:'Roboto Medium',sans-serif\">Hello World!</text><text x=\"477\" y=\"94\" style=\"stroke-width:0;stroke:none;fill:rgba(0,0,0,1.0);font-size:23.0px;font-family:'Roboto Medium',sans-serif\">Hello World</text></svg>",
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},
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// 标题居中
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{
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title: Title{
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Text: "Hello World!",
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Style: chart.Style{
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FontColor: drawing.ColorBlack,
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},
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Left: "center",
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},
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svg: "<svg xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" width=\"800\" height=\"600\">\\n<text x=\"262\" y=\"71\" style=\"stroke-width:0;stroke:none;fill:rgba(0,0,0,1.0);font-size:23.0px;font-family:'Roboto Medium',sans-serif\">Hello World!</text></svg>",
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},
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}
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for _, tt := range tests {
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r, err := chart.SVG(800, 600)
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assert.Nil(err)
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fn := NewTitleCustomize(tt.title)
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fn(r, chart.NewBox(50, 50, 600, 400), chart.Style{
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Font: chart.StyleTextDefaults().Font,
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})
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buf := bytes.Buffer{}
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err = r.Save(&buf)
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assert.Nil(err)
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assert.Equal(tt.svg, buf.String())
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}
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}
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