artwork_spec.rb in artwork-1.0.0

- old
+ new
@@ -13,6 +13,91 @@
     expect(Artwork).to respond_to(:supported_resolutions_list)
     expect(Artwork).to respond_to(:supported_resolutions_list=)
     expect(Artwork).to respond_to(:load_2x_images?)
     expect(Artwork).to respond_to(:current_resolution)
   end
+
+  describe 'proxy methods to DesiredThumbnail' do
+    before :each do
+      Artwork.base_resolution    = 1000
+      Artwork.current_resolution = 1000
+      Artwork.actual_resolution  = 1000
+      Artwork.load_2x_images     = false
+    end
+
+    describe '::scale_in_current_resolution' do
+      it 'will scale the passed width in the current resolution' do
+        expect(Artwork.scale_in_current_resolution(320)).to eq(320)
+        expect(Artwork.scale_in_current_resolution(320, 500)).to eq(640)
+        expect(Artwork.scale_in_current_resolution('280x')).to eq(280)
+        expect(Artwork.scale_in_current_resolution('280x_crop')).to eq(280)
+        expect(Artwork.scale_in_current_resolution('280x500_crop')).to eq(280)
+        expect(Artwork.scale_in_current_resolution('320x@500')).to eq(640)
+        expect(Artwork.scale_in_current_resolution('320x@500', 250)).to eq(1280)
+
+        Artwork.current_resolution = 2000
+        expect(Artwork.scale_in_current_resolution(320)).to eq(640)
+        expect(Artwork.scale_in_current_resolution(320, 500)).to eq(1280)
+        expect(Artwork.scale_in_current_resolution('280x')).to eq(560)
+        expect(Artwork.scale_in_current_resolution('280x_crop')).to eq(560)
+        expect(Artwork.scale_in_current_resolution('280x500_crop')).to eq(560)
+        expect(Artwork.scale_in_current_resolution('320x@500')).to eq(1280)
+        expect(Artwork.scale_in_current_resolution('320x@500', 250)).to eq(2560)
+      end
+
+      it 'is not affected by the retina flag' do
+        Artwork.load_2x_images     = true
+
+        expect(Artwork.scale_in_current_resolution(320)).to eq(320)
+        expect(Artwork.scale_in_current_resolution(320, 500)).to eq(640)
+        expect(Artwork.scale_in_current_resolution('280x')).to eq(280)
+        expect(Artwork.scale_in_current_resolution('280x_crop')).to eq(280)
+        expect(Artwork.scale_in_current_resolution('280x500_crop')).to eq(280)
+        expect(Artwork.scale_in_current_resolution('320x@500')).to eq(640)
+        expect(Artwork.scale_in_current_resolution('320x@500', 250)).to eq(1280)
+
+        Artwork.current_resolution = 2000
+        expect(Artwork.scale_in_current_resolution(320)).to eq(640)
+        expect(Artwork.scale_in_current_resolution(320, 500)).to eq(1280)
+        expect(Artwork.scale_in_current_resolution('280x')).to eq(560)
+        expect(Artwork.scale_in_current_resolution('280x_crop')).to eq(560)
+        expect(Artwork.scale_in_current_resolution('280x500_crop')).to eq(560)
+        expect(Artwork.scale_in_current_resolution('320x@500')).to eq(1280)
+        expect(Artwork.scale_in_current_resolution('320x@500', 250)).to eq(2560)
+      end
+    end
+
+    # The same as ::scale_in_current_resolution but it will double the width if retina
+    describe '::expected_width_for' do
+      it 'will return the expedted width in the current resolution' do
+        expect(Artwork.expected_width_for(320)).to eq(320)
+        expect(Artwork.expected_width_for(320, 500)).to eq(640)
+        expect(Artwork.expected_width_for('280x')).to eq(280)
+        expect(Artwork.expected_width_for('280x_crop')).to eq(280)
+        expect(Artwork.expected_width_for('280x500_crop')).to eq(280)
+        expect(Artwork.expected_width_for('320x@500')).to eq(640)
+        expect(Artwork.expected_width_for('320x@500', 250)).to eq(1280)
+
+        Artwork.current_resolution = 2000
+        expect(Artwork.expected_width_for(320)).to eq(640)
+        expect(Artwork.expected_width_for(320, 500)).to eq(1280)
+        expect(Artwork.expected_width_for('280x')).to eq(560)
+        expect(Artwork.expected_width_for('280x_crop')).to eq(560)
+        expect(Artwork.expected_width_for('280x500_crop')).to eq(560)
+        expect(Artwork.expected_width_for('320x@500')).to eq(1280)
+        expect(Artwork.expected_width_for('320x@500', 250)).to eq(2560)
+      end
+
+      it 'will double the width if retina is expected' do
+        Artwork.load_2x_images     = true
+
+        expect(Artwork.expected_width_for(320)).to eq(640)
+        expect(Artwork.expected_width_for(320, 500)).to eq(1280)
+        expect(Artwork.expected_width_for('280x')).to eq(560)
+        expect(Artwork.expected_width_for('280x_crop')).to eq(560)
+        expect(Artwork.expected_width_for('280x500_crop')).to eq(560)
+        expect(Artwork.expected_width_for('320x@500')).to eq(1280)
+        expect(Artwork.expected_width_for('320x@500', 250)).to eq(2560)
+      end
+    end
+  end
 end