yaxis_test.go

package charts

import (
	"strconv"
	"testing"

	"github.com/stretchr/testify/require"
)

func TestRightYAxis(t *testing.T) {
	t.Parallel()

	tests := []struct {
		render func(*Painter) ([]byte, error)
		result string
	}{
		{
			render: func(p *Painter) ([]byte, error) {
				opt := NewYAxisOptions([]string{"a", "b", "c", "d"})[0]
				_, err := NewRightYAxis(p, opt).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\" viewBox=\"0 0 600 400\"><text x=\"581\" y=\"17\" style=\"stroke-width:0;stroke:none;fill:rgba(70,70,70,1.0);font-size:15.3px;font-family:'Roboto Medium',sans-serif\">a</text><text x=\"581\" y=\"133\" style=\"stroke-width:0;stroke:none;fill:rgba(70,70,70,1.0);font-size:15.3px;font-family:'Roboto Medium',sans-serif\">b</text><text x=\"581\" y=\"250\" style=\"stroke-width:0;stroke:none;fill:rgba(70,70,70,1.0);font-size:15.3px;font-family:'Roboto Medium',sans-serif\">c</text><text x=\"581\" y=\"367\" style=\"stroke-width:0;stroke:none;fill:rgba(70,70,70,1.0);font-size:15.3px;font-family:'Roboto Medium',sans-serif\">d</text></svg>",
		},
	}
	for i, tt := range tests {
		t.Run(strconv.Itoa(i), func(t *testing.T) {
			p, err := NewPainter(PainterOptions{
				OutputFormat: ChartOutputSVG,
				Width:        600,
				Height:       400,
			}, PainterThemeOption(GetTheme(ThemeLight)), PainterPaddingOption(Box{
				Top:    10,
				Right:  10,
				Bottom: 10,
				Left:   10,
			}))
			require.NoError(t, err)
			data, err := tt.render(p)
			require.NoError(t, err)
			assertEqualSVG(t, tt.result, string(data))
		})
	}
}