nicksieger / attachment_fu fork watch download tarball
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Fork of technoweenie/attachment_fu
Description: Treat an ActiveRecord model as a file attachment, storing its patch, size, content type, etc.
Homepage: http://weblog.techno-weenie.net
Clone URL: git://github.com/nicksieger/attachment_fu.git 
more fool-proof #thumbnailable? implementation [Ant Ramm]

git-svn-id: 
http://svn.techno-weenie.net/projects/plugins/attachment_fu@3007 
567b1171-46fb-0310-a4c9-b4bef9110e78
technoweenie (author)
Sun Oct 28 15:12:32 -0700 2007
commit  f2e6b17f36f7f1888a1200e321041e9c608b729e
tree    c90fb571e96d773a6d3daab476184d431a981e3d
parent  30a08b23cdf8e079ad54f2ad3a731976ba8572b0
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lib/technoweenie/attachment_fu.rb 
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@@ -183,7 +183,7 @@ module Technoweenie # :nodoc:
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       # Returns true/false if an attachment is thumbnailable.  A thumbnailable attachment has an image content type and the parent_id attribute.
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       def thumbnailable?
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-        image? && respond_to?(:parent_id)
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+        image? && respond_to?(:parent_id) && parent_id.nil?
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       end
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       # Returns the class used to create new thumbnails for this attachment.
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test/processors/rmagick_test.rb 
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@@ -162,6 +162,7 @@ class RmagickTest < Test::Unit::TestCase
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       assert_equal 'rails_thumb.png', attachment.thumbnails.first.filename
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       assert_equal attachment.thumbnails.first.full_filename, attachment.full_filename(attachment.thumbnails.first.thumbnail),
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         "#full_filename does not use thumbnail class' path."
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+      assert_equal attachment.destroy attachment
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     end
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     test_against_subclass :test_should_use_thumbnail_subclass, ImageWithThumbsClassFileAttachment

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