updated top the the new version of attachment_fu plugin to work out some

[selectricity-live] / vendor / plugins / attachment_fu / test / processors / mini_magick_test.rb

diff --git a/vendor/plugins/attachment_fu/test/processors/mini_magick_test.rb b/vendor/plugins/attachment_fu/test/processors/mini_magick_test.rb
index 244a4a2331fe1ae93d34ddcd2156fa697fcaabfa..710ea41020a394c8ee3341646bfa1bb3e2a1cb9c 100644 (file)
--- a/vendor/plugins/attachment_fu/test/processors/mini_magick_test.rb
+++ b/vendor/plugins/attachment_fu/test/processors/mini_magick_test.rb
@@ -23,9 +23,81 @@ class MiniMagickTest < Test::Unit::TestCase
       assert_equal 31, geo.width
       assert_equal 40, geo.height
     end
+
+    def test_should_crop_image(klass = ImageThumbnailCrop)
+      attachment_model klass
+      attachment = upload_file :filename => '/files/rails.png'
+      assert_valid attachment
+      assert  attachment.image?
+    #  has_attachment :thumbnails => { :square => "50x50c", :vertical => "30x60c", :horizontal => "60x30c"}
+
+      square      = attachment.thumbnails.detect { |t| t.filename =~ /_square/ }
+      vertical    = attachment.thumbnails.detect { |t| t.filename =~ /_vertical/ }
+      horizontal  = attachment.thumbnails.detect { |t| t.filename =~ /_horizontal/ }
+      
+      # test excat resize
+      assert_equal 50, square.width
+      assert_equal 50, square.height
+
+      assert_equal 30, vertical.width
+      assert_equal 60, vertical.height
+
+      assert_equal 60, horizontal.width
+      assert_equal 30, horizontal.height
+    end
+    
+    # tests the first step in resize, crop the image in original size to right format
+    def test_should_crop_image_right(klass = ImageThumbnailCrop)      
+      @@testcases.collect do |testcase| 
+        image_width, image_height, thumb_width, thumb_height = testcase[:data]
+        image_aspect, thumb_aspect = image_width/image_height, thumb_width/thumb_height
+        crop_comand = klass.calculate_offset(image_width, image_height, image_aspect, thumb_width, thumb_height,thumb_aspect)
+        # pattern matching on crop command
+        if testcase.has_key?(:height) 
+          assert crop_comand.match(/^#{image_width}x#{testcase[:height]}\+0\+#{testcase[:yoffset]}$/)
+        else 
+          assert crop_comand.match(/^#{testcase[:width]}x#{image_height}\+#{testcase[:xoffset]}\+0$/)
+        end
+      end
+    end
+
   else
     def test_flunk
       puts "MiniMagick not loaded, tests not running"
     end
   end
+
+  @@testcases = [
+    # image_aspect <= 1 && thumb_aspect >= 1  
+    {:data => [10.0,40.0,2.0,1.0], :height => 5.0, :yoffset => 17.5}, #   1b
+    {:data => [10.0,40.0,1.0,1.0], :height => 10.0, :yoffset => 15.0}, #  1b
+
+    # image_aspect < 1 && thumb_aspect < 1
+    {:data => [10.0,40.0,1.0,2.0], :height => 20.0, :yoffset => 10.0}, # 1a
+    {:data => [2.0,3.0,1.0,2.0], :width => 1.5, :xoffset => 0.25}, # 1a
+
+    # image_aspect = thumb_aspect
+    {:data => [10.0,10.0,1.0,1.0], :height => 10.0, :yoffset => 0.0}, # QUADRAT 1c
+
+    # image_aspect >= 1 && thumb_aspect > 1     && image_aspect < thumb_aspect
+    {:data => [6.0,3.0,4.0,1.0], :height => 1.5, :yoffset => 0.75}, # 2b  
+    {:data => [6.0,6.0,4.0,1.0], :height => 1.5, :yoffset => 2.25}, # 2b  
+
+    # image_aspect > 1 && thumb_aspect > 1     && image_aspect > thumb_aspect
+    {:data => [9.0,3.0,2.0,1.0], :width => 6.0, :xoffset => 1.5}, # 2a
+
+    # image_aspect > 1 && thumb_aspect < 1 && image_aspect < thumb_aspect
+    {:data => [10.0,5.0,0.1,2.0], :width => 0.25, :xoffset => 4.875}, # 4
+    {:data => [10.0,5.0,1.0,2.0], :width => 2.5, :xoffset => 3.75}, # 4
+
+    # image_aspect > 1 && thumb_aspect > 1     && image_aspect > thumb_aspect
+    {:data => [9.0,3.0,2.0,1.0], :width => 6.0, :xoffset => 1.5}, # 3a    
+    # image_aspect > 1 && thumb_aspect > 1     && image_aspect < thumb_aspect
+    {:data => [9.0,3.0,5.0,1.0], :height => 1.8, :yoffset => 0.6} # 3a
+  ]
+
+
+
+
+
 end