Asset Cache does not work

asset_id.gemspec

@@ -10,7 +10,6 @@ Gem::Specification.new do |s|
   s.description = %q{asset_id is a library for uploading static assets to Amazon S3.}
   s.email = %q{[email protected]}
   s.files = ["LICENSE", "README.textile","lib/asset_id.rb"] + Dir.glob('lib/asset_id/*.rb') + Dir.glob('lib/asset_id/backend/*.rb')
-  s.has_rdoc = false
   s.homepage = %q{http://github.com/moomerman/asset_id}
   s.rdoc_options = ["--inline-source", "--charset=UTF-8"]
   s.require_paths = ["lib"]

lib/asset_id/backend/s3.rb

@@ -47,6 +47,9 @@ def self.upload(options={})
           :access => s3_permissions,
         }.merge(asset.cache_headers)
 
+        #load css md5 before replace_css_images
+        asset.md5
+
         asset.replace_css_images!(:prefix => s3_prefix) if asset.css?
 
         if asset.gzip_type?
@@ -74,4 +77,4 @@ def self.upload(options={})
     end
 
   end
-end
+end

lib/asset_id/cache.rb

@@ -8,7 +8,7 @@ def self.empty
     end
 
     def self.cache
-      @cache ||= YAML.load_file(cache_path) rescue {}
+      @cache ||= (YAML.load_file(cache_path) rescue {})
     end
 
     def self.cache_path
@@ -20,6 +20,7 @@ def self.get(asset)
     end
 
     def self.hit?(asset)
+      return false if asset.css?
       return true if cache[asset.relative_path] and cache[asset.relative_path][:fingerprint] == asset.fingerprint
       cache[asset.relative_path] = {:expires => asset.expiry_date.to_s, :fingerprint => asset.fingerprint}
       false
@@ -34,4 +35,4 @@ def self.save!
     end
 
   end
-end
+end

test/asset_test.rb

@@ -50,11 +50,17 @@ def test_parse_css_with_prefix
     asset.replace_css_images!(:prefix => 'https://example.com')
     assert_equal 'body { background: url(https://example.com/images/thundercats-id-982f2a3a4d905189959e848badb4f55b.jpg); }', asset.data
   end
+
+  def test_cache_hit
+    assert !AssetID::Cache.hit?(@asset)
+    assert AssetID::Cache.hit?(@asset)
+  end
+
 
 end
 
 class Rails
   def self.root
     File.expand_path(File.join(File.dirname(__FILE__), 'sandbox'))
   end
-end
+end