test: add test for charts

2022-06-20 23:23:21 +08:00 · 2022-06-20 23:23:21 +08:00 · 212a51083f
commit 212a51083f
parent a6b92f1d47
11 changed files with 963 additions and 16 deletions
--- a/grid_test.go
+++ b/grid_test.go
@ -0,0 +1,69 @@
+// 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>",
+		},
+	}
+	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))
+	}
+}