Merge pull request #23 from westonplatter/temp-png-fix

fixes #20 patch pHash to support alpha channel PNGs
westonplatter · Nov 26, 2013 · 7a13ccd · 7a13ccd
2 parents aacaa82 + 06ef675
commit 7a13ccd
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diff --git a/ext/phashion_ext/pHash-0.9.6-png-patch.tar.gz b/ext/phashion_ext/pHash-0.9.6-png-patch.tar.gz
diff --git a/ext/phashion_ext/pHash-0.9.6.tar.gz b/ext/phashion_ext/pHash-0.9.6.tar.gz
diff --git a/test/png/grass.png b/test/png/grass.png
diff --git a/test/png/linux.png b/test/png/linux.png
diff --git a/test/test_phashion.rb b/test/test_phashion.rb
@@ -34,6 +34,21 @@ def test_multiple_types
     assert_duplicate gif, png
     assert_duplicate jpg, gif
   end
+
+  def test_fingerprint_png_is_different
+    png1 = Phashion::Image.new(File.dirname(__FILE__) + '/png/Broccoli_Super_Food.png')
+    png2 = Phashion::Image.new(File.dirname(__FILE__) + '/png/linux.png')
+    png3 = Phashion::Image.new(File.dirname(__FILE__) + '/png/grass.png')
+    png4 = Phashion::Image.new(File.dirname(__FILE__) + '/png/Broccoli_Super_Food.png')
+
+    fingerprints = []
+    fingerprints << png1.fingerprint
+    fingerprints << png2.fingerprint
+    fingerprints << png3.fingerprint
+    fingerprints << png4.fingerprint
+
+    assert fingerprints.uniq.size == 3, "array should contain 3 unique fingerprints"
+  end
 
   private