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grid_test.go
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// 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"
"github.com/wcharczuk/go-chart/v2/drawing"
)
func TestGrid(t *testing.T) {
assert := assert.New(t)
tests := []struct {
render func(*Painter) ([]byte, error)
result string
}{
{
render: func(p *Painter) ([]byte, error) {
_, err := NewGridPainter(p, GridPainterOption{
StrokeColor: drawing.ColorBlack,
Column: 6,
Row: 6,
IgnoreFirstRow: true,
IgnoreLastRow: true,
IgnoreFirstColumn: true,
IgnoreLastColumn: true,
}).Render()
if err != nil {
return nil, err
}
return p.Bytes()
},
result: "<svg xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" width=\"600\" height=\"400\">\\n<path d=\"M 100 0\nL 100 400\" style=\"stroke-width:1;stroke:rgba(0,0,0,1.0);fill:none\"/><path d=\"M 200 0\nL 200 400\" style=\"stroke-width:1;stroke:rgba(0,0,0,1.0);fill:none\"/><path d=\"M 300 0\nL 300 400\" style=\"stroke-width:1;stroke:rgba(0,0,0,1.0);fill:none\"/><path d=\"M 400 0\nL 400 400\" style=\"stroke-width:1;stroke:rgba(0,0,0,1.0);fill:none\"/><path d=\"M 500 0\nL 500 400\" style=\"stroke-width:1;stroke:rgba(0,0,0,1.0);fill:none\"/><path d=\"M 0 66\nL 600 66\" style=\"stroke-width:1;stroke:rgba(0,0,0,1.0);fill:none\"/><path d=\"M 0 133\nL 600 133\" style=\"stroke-width:1;stroke:rgba(0,0,0,1.0);fill:none\"/><path d=\"M 0 200\nL 600 200\" style=\"stroke-width:1;stroke:rgba(0,0,0,1.0);fill:none\"/><path d=\"M 0 266\nL 600 266\" style=\"stroke-width:1;stroke:rgba(0,0,0,1.0);fill:none\"/><path d=\"M 0 333\nL 600 333\" style=\"stroke-width:1;stroke:rgba(0,0,0,1.0);fill:none\"/></svg>",
},
{
render: func(p *Painter) ([]byte, error) {
_, err := NewGridPainter(p, GridPainterOption{
StrokeColor: drawing.ColorBlack,
ColumnSpans: []int{
2,
5,
3,
},
Row: 6,
}).Render()
if err != nil {
return nil, err
}
return p.Bytes()
},
result: "<svg xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" width=\"600\" height=\"400\">\\n<path d=\"M 0 0\nL 0 400\" style=\"stroke-width:1;stroke:rgba(0,0,0,1.0);fill:none\"/><path d=\"M 120 0\nL 120 400\" style=\"stroke-width:1;stroke:rgba(0,0,0,1.0);fill:none\"/><path d=\"M 420 0\nL 420 400\" style=\"stroke-width:1;stroke:rgba(0,0,0,1.0);fill:none\"/><path d=\"M 600 0\nL 600 400\" style=\"stroke-width:1;stroke:rgba(0,0,0,1.0);fill:none\"/><path d=\"M 0 0\nL 600 0\" style=\"stroke-width:1;stroke:rgba(0,0,0,1.0);fill:none\"/><path d=\"M 0 66\nL 600 66\" style=\"stroke-width:1;stroke:rgba(0,0,0,1.0);fill:none\"/><path d=\"M 0 133\nL 600 133\" style=\"stroke-width:1;stroke:rgba(0,0,0,1.0);fill:none\"/><path d=\"M 0 200\nL 600 200\" style=\"stroke-width:1;stroke:rgba(0,0,0,1.0);fill:none\"/><path d=\"M 0 266\nL 600 266\" style=\"stroke-width:1;stroke:rgba(0,0,0,1.0);fill:none\"/><path d=\"M 0 333\nL 600 333\" style=\"stroke-width:1;stroke:rgba(0,0,0,1.0);fill:none\"/><path d=\"M 0 400\nL 600 400\" style=\"stroke-width:1;stroke:rgba(0,0,0,1.0);fill:none\"/></svg>",
},
}
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))
}
}