image_spec.rb in bulldog-0.0.12

- old
+ new
@@ -1,164 +1,177 @@
 require 'spec_helper'
 
 describe Attachment::Image do
-  use_model_class(:Thing,
-                  :photo_file_name => :string,
-                  :photo_width => :integer,
-                  :photo_height => :integer,
-                  :photo_aspect_ratio => :float,
-                  :photo_dimensions => :string)
-
-  before do
-    Thing.has_attachment :photo do
-      style :double, :size => '80x60'
-      style :filled, :size => '60x60', :filled => true
-      style :unfilled, :size => '120x120'
-      default_style :double
-    end
-    @thing = Thing.new(:photo => test_image_file)
-  end
-
   def run(command)
     `#{command}`
     $?.success? or
       raise "command failed: #{command}"
   end
 
-  describe "#dimensions" do
-    it "should return 1x1 if the style is missing" do
-      Thing.attachment_reflections[:photo].configure do
-        detect_type_by{:image}
+  describe "when file attributes are not stored" do
+    use_model_class(:Thing, :photo_file_name => :string)
+
+    describe "#dimensions" do
+      it "should return 1x1 if the file is missing" do
+        Thing.has_attachment :photo do
+          type :image
+          style :double, :size => '80x60'
+          style :filled, :size => '60x60', :filled => true
+          style :unfilled, :size => '120x120'
+          default_style :double
+        end
+        @thing = Thing.new(:photo => test_image_file)
+        @thing.save.should be_true
+        File.unlink(@thing.photo.path(:original))
+        @thing = Thing.find(@thing.id)
+        @thing.photo.is_a?(Attachment::Image)  # sanity check
+        @thing.photo.stream.missing?           # sanity check
+        @thing.photo.dimensions(:original).should == [1, 1]
       end
-      @thing.save.should be_true
-      File.unlink(@thing.photo.path(:original))
-      @thing = Thing.find(@thing.id)
-      @thing.photo.is_a?(Attachment::Image)  # sanity check
-      @thing.photo.stream.missing?           # sanity check
-      @thing.photo.dimensions(:original).should == [1, 1]
     end
+  end
 
-    it "should return the width and height of the default style if no style name is given" do
-      @thing.photo.dimensions.should == [80, 60]
-    end
+  describe "when file attributes are stored" do
+    use_model_class(:Thing,
+                    :photo_file_name => :string,
+                    :photo_width => :integer,
+                    :photo_height => :integer,
+                    :photo_aspect_ratio => :float,
+                    :photo_dimensions => :string)
 
-    it "should return the width and height of the given style" do
-      @thing.photo.dimensions(:original).should == [40, 30]
-      @thing.photo.dimensions(:double).should == [80, 60]
+    before do
+      Thing.has_attachment :photo do
+        style :double, :size => '80x60'
+        style :filled, :size => '60x60', :filled => true
+        style :unfilled, :size => '120x120'
+        default_style :double
+      end
+      @thing = Thing.new(:photo => test_image_file)
     end
 
-    it "should return the calculated width according to style filledness" do
-      @thing.photo.dimensions(:filled).should == [60, 60]
-      @thing.photo.dimensions(:unfilled).should == [120, 90]
-    end
+    describe "#dimensions" do
+      it "should return the width and height of the default style if no style name is given" do
+        @thing.photo.dimensions.should == [80, 60]
+      end
 
-    it "should honor the exif:Orientation header" do
-      path = create_image("#{temporary_directory}/test.jpg", :size => '40x30')
-      rotated_path = "#{temporary_directory}/rotated-test.jpg"
-      run "exif --create-exif --ifd=EXIF --tag=Orientation --set-value=4 --output=#{rotated_path} #{path}"
-      open(rotated_path) do |file|
-        @thing.photo = file
-        @thing.photo.dimensions(:original).should == [30, 40]
+      it "should return the width and height of the given style" do
+        @thing.photo.dimensions(:original).should == [40, 30]
+        @thing.photo.dimensions(:double).should == [80, 60]
       end
-    end
 
-    it "should only invoke identify once"
-    it "should log the result"
-  end
+      it "should return the calculated width according to style filledness" do
+        @thing.photo.dimensions(:filled).should == [60, 60]
+        @thing.photo.dimensions(:unfilled).should == [120, 90]
+      end
 
-  describe "#width" do
-    it "should return the width of the default style if no style name is given" do
-      @thing.photo.width.should == 80
-    end
+      it "should honor the exif:Orientation header" do
+        path = create_image("#{temporary_directory}/test.jpg", :size => '40x30')
+        rotated_path = "#{temporary_directory}/rotated-test.jpg"
+        run "exif --create-exif --ifd=EXIF --tag=Orientation --set-value=4 --output=#{rotated_path} #{path}"
+        open(rotated_path) do |file|
+          @thing.photo = file
+          @thing.photo.dimensions(:original).should == [30, 40]
+        end
+      end
 
-    it "should return the width of the given style" do
-      @thing.photo.width(:original).should == 40
-      @thing.photo.width(:double).should == 80
+      it "should only invoke identify once"
+      it "should log the result"
     end
-  end
 
-  describe "#height" do
-    it "should return the height of the default style if no style name is given" do
-      @thing.photo.height.should == 60
-    end
+    describe "#width" do
+      it "should return the width of the default style if no style name is given" do
+        @thing.photo.width.should == 80
+      end
 
-    it "should return the height of the given style" do
-      @thing.photo.height(:original).should == 30
-      @thing.photo.height(:double).should == 60
+      it "should return the width of the given style" do
+        @thing.photo.width(:original).should == 40
+        @thing.photo.width(:double).should == 80
+      end
     end
-  end
 
-  describe "#aspect_ratio" do
-    it "should return the aspect ratio of the default style if no style name is given" do
-      @thing.photo.aspect_ratio.should be_close(4.0/3, 1e-5)
-    end
+    describe "#height" do
+      it "should return the height of the default style if no style name is given" do
+        @thing.photo.height.should == 60
+      end
 
-    it "should return the aspect ratio of the given style" do
-      @thing.photo.aspect_ratio(:original).should be_close(4.0/3, 1e-5)
-      @thing.photo.aspect_ratio(:filled).should be_close(1, 1e-5)
+      it "should return the height of the given style" do
+        @thing.photo.height(:original).should == 30
+        @thing.photo.height(:double).should == 60
+      end
     end
-  end
 
-  describe "storable attributes" do
-    it "should set the stored attributes on assignment" do
-      @thing.photo_width.should == 40
-      @thing.photo_height.should == 30
-      @thing.photo_aspect_ratio.should be_close(4.0/3, 1e-5)
-      @thing.photo_dimensions.should == '40x30'
-    end
+    describe "#aspect_ratio" do
+      it "should return the aspect ratio of the default style if no style name is given" do
+        @thing.photo.aspect_ratio.should be_close(4.0/3, 1e-5)
+      end
 
-    describe "after roundtripping through the database" do
-      before do
-        @thing.save
-        @thing = Thing.find(@thing.id)
+      it "should return the aspect ratio of the given style" do
+        @thing.photo.aspect_ratio(:original).should be_close(4.0/3, 1e-5)
+        @thing.photo.aspect_ratio(:filled).should be_close(1, 1e-5)
       end
+    end
 
-      it "should restore the stored attributes" do
+    describe "storable attributes" do
+      it "should set the stored attributes on assignment" do
         @thing.photo_width.should == 40
         @thing.photo_height.should == 30
         @thing.photo_aspect_ratio.should be_close(4.0/3, 1e-5)
         @thing.photo_dimensions.should == '40x30'
       end
 
-      it "should recalculate the dimensions correctly" do
-        @thing.photo.dimensions(:filled).should == [60, 60]
-        @thing.photo.dimensions(:unfilled).should == [120, 90]
+      describe "after roundtripping through the database" do
+        before do
+          @thing.save
+          @thing = Thing.find(@thing.id)
+        end
+
+        it "should restore the stored attributes" do
+          @thing.photo_width.should == 40
+          @thing.photo_height.should == 30
+          @thing.photo_aspect_ratio.should be_close(4.0/3, 1e-5)
+          @thing.photo_dimensions.should == '40x30'
+        end
+
+        it "should recalculate the dimensions correctly" do
+          @thing.photo.dimensions(:filled).should == [60, 60]
+          @thing.photo.dimensions(:unfilled).should == [120, 90]
+        end
       end
     end
-  end
 
-  describe "#reload" do
-    before do
-      thing = Thing.create(:photo => test_image_file('test.jpg'))
-      @thing = Thing.find(thing.id)
-    end
+    describe "#reload" do
+      before do
+        thing = Thing.create(:photo => test_image_file('test.jpg'))
+        @thing = Thing.find(thing.id)
+      end
 
-    it "should update the stored attributes from the file" do
-      # Prime the cached values.
-      @thing.photo_width.should == 40
-      @thing.photo_height.should == 30
-      @thing.photo_aspect_ratio.should be_close(4.0/3, 1e-5)
-      @thing.photo_dimensions.should == '40x30'
+      it "should update the stored attributes from the file" do
+        # Prime the cached values.
+        @thing.photo_width.should == 40
+        @thing.photo_height.should == 30
+        @thing.photo_aspect_ratio.should be_close(4.0/3, 1e-5)
+        @thing.photo_dimensions.should == '40x30'
 
-      FileUtils.cp(test_path('test2.jpg'), @thing.photo.path(:original))
-      @thing.photo.reload
-      @thing.photo_width.should == 2
-      @thing.photo_height.should == 2
-      @thing.photo_aspect_ratio.should == 1
-      @thing.photo_dimensions.should == '2x2'
-    end
+        FileUtils.cp(test_path('test2.jpg'), @thing.photo.path(:original))
+        @thing.photo.reload
+        @thing.photo_width.should == 2
+        @thing.photo_height.should == 2
+        @thing.photo_aspect_ratio.should == 1
+        @thing.photo_dimensions.should == '2x2'
+      end
 
-    it "should update the original dimensions from the file" do
-      @thing.photo.dimensions(:original).should == [40, 30]
-      FileUtils.cp(test_path('test2.jpg'), @thing.photo.path(:original))
-      @thing.photo.reload
-      @thing.photo.dimensions(:original).should == [2, 2]
-    end
+      it "should update the original dimensions from the file" do
+        @thing.photo.dimensions(:original).should == [40, 30]
+        FileUtils.cp(test_path('test2.jpg'), @thing.photo.path(:original))
+        @thing.photo.reload
+        @thing.photo.dimensions(:original).should == [2, 2]
+      end
 
-    it "should update the dimensions for each style from the file" do
-      @thing.photo.dimensions(:double).should == [80, 60]
-      FileUtils.cp(test_path('test2.jpg'), @thing.photo.path(:original))
-      @thing.photo.reload
-      @thing.photo.dimensions(:double).should == [60, 60]
+      it "should update the dimensions for each style from the file" do
+        @thing.photo.dimensions(:double).should == [80, 60]
+        FileUtils.cp(test_path('test2.jpg'), @thing.photo.path(:original))
+        @thing.photo.reload
+        @thing.photo.dimensions(:double).should == [60, 60]
+      end
     end
   end
 end