| package positive_if_only_image |
| |
| import ( |
| "image" |
| "testing" |
| |
| "github.com/stretchr/testify/assert" |
| "go.skia.org/infra/golden/go/image/text" |
| ) |
| |
| func TestMatcher_NoExistingPostitiveImage_ReturnsTrue(t *testing.T) { |
| matcher := Matcher{} |
| assert.True(t, matcher.Match(nil, text.MustToNRGBA(image3x3White))) |
| } |
| |
| func TestMatcher_IdenticalImages_ReturnsTrue(t *testing.T) { |
| matcher := Matcher{} |
| assert.True(t, matcher.Match(text.MustToNRGBA(image3x3White), text.MustToNRGBA(image3x3White))) |
| } |
| |
| func TestMatcher_DifferentImages_ReturnsFalse(t *testing.T) { |
| matcher := Matcher{} |
| assert.False(t, matcher.Match(text.MustToNRGBA(image3x3White), text.MustToNRGBA(image3x3WhiteWithOnePixelBlack))) |
| assert.Equal(t, &image.Point{X: 1, Y: 1}, matcher.LastDifferentPixelFound()) |
| |
| } |
| |
| const image3x3White = `! SKTEXTSIMPLE |
| 3 3 |
| 0xFF 0xFF 0xFF |
| 0xFF 0xFF 0xFF |
| 0xFF 0xFF 0xFF` |
| |
| const image3x3WhiteWithOnePixelBlack = `! SKTEXTSIMPLE |
| 3 3 |
| 0xFF 0xFF 0xFF |
| 0xFF 0x00 0xFF |
| 0xFF 0xFF 0xFF` |
