52 lines
883 B
Go
52 lines
883 B
Go
package chart
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import (
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"bytes"
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"strings"
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"testing"
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"github.com/blendlabs/go-assert"
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)
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func TestVectorRendererPath(t *testing.T) {
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assert := assert.New(t)
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vr, err := SVG(100, 100)
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assert.Nil(err)
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typed, isTyped := vr.(*vectorRenderer)
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assert.True(isTyped)
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typed.MoveTo(0, 0)
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typed.LineTo(100, 100)
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typed.LineTo(0, 100)
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typed.Close()
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typed.FillStroke()
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buffer := bytes.NewBuffer([]byte{})
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err = typed.Save(buffer)
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assert.Nil(err)
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raw := string(buffer.Bytes())
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assert.True(strings.HasPrefix(raw, "<svg"))
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assert.True(strings.HasSuffix(raw, "</svg>"))
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}
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func TestVectorRendererMeasureText(t *testing.T) {
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assert := assert.New(t)
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f, err := GetDefaultFont()
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assert.Nil(err)
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vr, err := SVG(100, 100)
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assert.Nil(err)
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vr.SetDPI(DefaultDPI)
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vr.SetFont(f)
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vr.SetFontSize(12.0)
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w, h := vr.MeasureText("Ljp")
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assert.Equal(21, w)
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assert.Equal(15, h)
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}
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