text options!

text_test.go

@@ -0,0 +1,32 @@
+package chart
+
+import (
+	"testing"
+
+	assert "github.com/blendlabs/go-assert"
+)
+
+func TestTextWrapWord(t *testing.T) {
+	assert := assert.New(t)
+
+	r, err := PNG(1024, 1024)
+	assert.Nil(err)
+	f, err := GetDefaultFont()
+	assert.Nil(err)
+
+	basicTextStyle := Style{Font: f, FontSize: 24}
+
+	output := Text.WrapFitWord(r, "this is a test string", 100, basicTextStyle)
+	assert.NotEmpty(output)
+	assert.Len(output, 3)
+
+	for _, line := range output {
+		basicTextStyle.WriteToRenderer(r)
+		lineBox := r.MeasureText(line)
+		assert.True(lineBox.Width() < 100, line+": "+lineBox.String())
+	}
+
+	output = Text.WrapFitWord(r, "foo", 100, basicTextStyle)
+	assert.Len(output, 1)
+	assert.Equal("foo", output[0])
+}