func TestSmall(t *testing.T) {
t.Parallel()
gray := color.RGBA{R: 0x88, G: 0x88, B: 0x88, A: 0xFF}
s := sparkline.New(10, gray, trafficLights)
for _, n := range []float32{
1000,
800,
751,
454,
300,
599,
564,
901,
1500,
1300,
500,
270,
} {
s.Add(n)
}
bounds := image.Rect(0, 0, 100, 32)
// trigger false assumptions about 0,0 origin
bounds = bounds.Add(image.Point{X: 10000, Y: 10000})
img := image.NewRGBA(bounds)
s.Draw(img)
if err := approve.Image(img); err != nil {
t.Fatalf("not approved: %v", err)
}
}
func TestSmall(t *testing.T) {
t.Parallel()
font := makeFont(t, roboto)
bounds := image.Rect(0, 0, 100, 32)
// trigger false assumptions about 0,0 origin
bounds = bounds.Add(image.Point{X: 10000, Y: 10000})
img := image.NewRGBA(bounds)
if err := font.Text(img, "Hello, world"); err != nil {
t.Fatalf("text rendering error: %v", err)
}
if err := approve.Image(img); err != nil {
t.Fatalf("not approved: %v", err)
}
}
func TestKerning(t *testing.T) {
t.Parallel()
// Need to use a font that actually has kerning. Roboto doesn't.
font := makeFont(t, liberation)
bounds := image.Rect(0, 0, 1000, 300)
// trigger false assumptions about 0,0 origin
bounds = bounds.Add(image.Point{X: 10000, Y: 10000})
img := image.NewRGBA(bounds)
if err := font.Text(img, "AV"); err != nil {
t.Fatalf("text rendering error: %v", err)
}
if err := approve.Image(img); err != nil {
t.Fatalf("not approved: %v", err)
}
}