* VRFS-217; necessary changes to test and make artifact model work with carrierwave

lib/jam_ruby/app/uploaders/artifact_uploader.rb

@@ -0,0 +1,59 @@
+# encoding: utf-8
+
+class ArtifactUploader < CarrierWave::Uploader::Base
+
+  # Include RMagick or MiniMagick support:
+  # include CarrierWave::RMagick
+  # include CarrierWave::MiniMagick
+
+  # Include the Sprockets helpers for Rails 3.1+ asset pipeline compatibility:
+  # include Sprockets::Helpers::RailsHelper
+  # include Sprockets::Helpers::IsolatedHelper
+
+  # Choose what kind of storage to use for this uploader:
+  # storage :file
+  # storage :fog
+
+  # Override the directory where uploaded files will be stored.
+  # This is a sensible default for uploaders that are meant to be mounted:
+  def store_dir
+    "artifacts/#{model.product}/#{model.version}"
+  end
+
+  def md5
+    @md5 ||= ::Digest::MD5.file(current_path).hexdigest
+  end
+
+  # Provide a default URL as a default if there hasn't been a file uploaded:
+  # def default_url
+  #   # For Rails 3.1+ asset pipeline compatibility:
+  #   # asset_path("fallback/" + [version_name, "default.png"].compact.join('_'))
+  #
+  #   "/images/fallback/" + [version_name, "default.png"].compact.join('_')
+  # end
+
+  # Process files as they are uploaded:
+  # process :scale => [200, 300]
+  #
+  # def scale(width, height)
+  #   # do something
+  # end
+
+  # Create different versions of your uploaded files:
+  # version :thumb do
+  #   process :scale => [50, 50]
+  # end
+
+  # Add a white list of extensions which are allowed to be uploaded.
+  # For images you might use something like this:
+  def extension_white_list
+     %w(exe msi dmg)
+  end
+
+  # Override the filename of the uploaded files:
+  # Avoid using model.id or version_name here, see uploader/store.rb for details.
+  # def filename
+  #   "something.jpg" if original_filename
+  # end
+
+end

spec/uses_temp_files.rb

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+#http://gabebw.wordpress.com/2011/03/21/temp-files-in-rspec/
+
+# this will make a folder jam-ruby/spec/tmp if used in an rspec test, and delete it after
+# our .gitignore would also keep spec/tmp out, if somehow it did not get deleted.
+module UsesTempFiles
+  def self.included(example_group)
+    example_group.extend(self)
+  end
+
+  def in_directory_with_file(file)
+    before do
+      @pwd = Dir.pwd
+      @tmp_dir = File.join(File.dirname(__FILE__), 'tmp')
+      FileUtils.mkdir_p(@tmp_dir)
+      Dir.chdir(@tmp_dir)
+
+      FileUtils.mkdir_p(File.dirname(file))
+      FileUtils.touch(file)
+    end
+
+    define_method(:content_for_file) do |content|
+      f = File.new(File.join(@tmp_dir, file), 'a+')
+      f.write(content)
+      f.flush # VERY IMPORTANT
+      f.close
+    end
+
+    after do
+      Dir.chdir(@pwd)
+      FileUtils.rm_rf(@tmp_dir)
+    end
+  end
+end