@@ -4,4 +4,4 @@ image:
 docker build -t codeclimate/codeclimate-csslint .
 
 test: image
-docker run --rm codeclimate/codeclimate-csslint rake
+docker run --rm codeclimate/codeclimate-csslint rspec $(RSPEC_ARGS)

@@ -1,11 +1,14 @@
 require "json"
 require "nokogiri"
+require "ostruct"
 require "shellwords"
 
 module CC
 module Engine
 MissingAttributesError = Class.new(StandardError)
 
+DEFAULT_IDENTIFIER = OpenStruct.new(value: "parse-error")
+
 class CSSlint
 autoload :CheckDetails, "cc/engine/csslint/check_details"
 
@@ -30,8 +33,9 @@ def run
 
 private
 
+# rubocop:disable Metrics/MethodLength
 def create_issue(node, path)
-check_name = node.attributes.fetch("identifier").value
+check_name = node.attributes.fetch("identifier", DEFAULT_IDENTIFIER).value
 check_details = CheckDetails.fetch(check_name)
 
 {
@@ -57,6 +61,7 @@ def create_issue(node, path)
 rescue KeyError => ex
 raise MissingAttributesError, "#{ex.message} on XML '#{node}' when analyzing file '#{path}'"
 end
+# rubocop:enable Metrics/MethodLength
 
 def results
 @results ||= Nokogiri::XML(csslint_xml)

@@ -19,6 +19,7 @@ class CheckDetails
 "import" => { categories: "Bug Risk" },
 "known-properties" => { categories: "Bug Risk" },
 "overqualified-elements" => { categories: "Bug Risk" },
+"parse-error" => { categories: "Bug Risk" },
 "regex-selectors" => { categories: "Bug Risk" },
 "shorthand" => { categories: "Bug Risk" },
 "star-property-hack" => { categories: "Compatibility" },

@@ -18,7 +18,7 @@ module Engine
 
 it 'fails on malformed file' do
 create_source_file('foo.css', '�6�')
-expect{ lint.run }.to raise_error(MissingAttributesError)
+expect{ lint.run }.to output(/Unexpected token/).to_stdout
 end
 
 it "doesn't analyze *.scss files" do