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-rw-r--r--resources/image_test.go29
1 files changed, 27 insertions, 2 deletions
diff --git a/resources/image_test.go b/resources/image_test.go
index 231a06453..7e26c1f55 100644
--- a/resources/image_test.go
+++ b/resources/image_test.go
@@ -85,9 +85,16 @@ func TestImageTransformBasic(t *testing.T) {
assertWidthHeight(c, img, w, h)
}
- colors, err := image.Colors()
+ gotColors, err := image.Colors()
c.Assert(err, qt.IsNil)
- c.Assert(colors, qt.DeepEquals, []string{"#2d2f33", "#a49e93", "#d39e59", "#a76936", "#737a84", "#7c838b"})
+ expectedColors := images.HexStringsToColors("#2d2f33", "#a49e93", "#d39e59", "#a76936", "#737a84", "#7c838b")
+ c.Assert(len(gotColors), qt.Equals, len(expectedColors))
+ for i := range gotColors {
+ c1, c2 := gotColors[i], expectedColors[i]
+ c.Assert(c1.ColorHex(), qt.Equals, c2.ColorHex())
+ c.Assert(c1.ColorGo(), qt.DeepEquals, c2.ColorGo())
+ c.Assert(c1.Luminance(), qt.Equals, c2.Luminance())
+ }
c.Assert(image.RelPermalink(), qt.Equals, "/a/sunset.jpg")
c.Assert(image.ResourceType(), qt.Equals, "image")
@@ -445,6 +452,24 @@ func TestImageExif(t *testing.T) {
getAndCheckExif(c, image)
}
+func TestImageColorsLuminance(t *testing.T) {
+ c := qt.New(t)
+
+ _, image := fetchSunset(c)
+ c.Assert(image, qt.Not(qt.IsNil))
+ colors, err := image.Colors()
+ c.Assert(err, qt.IsNil)
+ c.Assert(len(colors), qt.Equals, 6)
+ var prevLuminance float64
+ for i, color := range colors {
+ luminance := color.Luminance()
+ c.Assert(err, qt.IsNil)
+ c.Assert(luminance > 0, qt.IsTrue)
+ c.Assert(luminance, qt.Not(qt.Equals), prevLuminance, qt.Commentf("i=%d", i))
+ prevLuminance = luminance
+ }
+}
+
func BenchmarkImageExif(b *testing.B) {
getImages := func(c *qt.C, b *testing.B, fs afero.Fs) []images.ImageResource {
spec := newTestResourceSpec(specDescriptor{fs: fs, c: c})