test/gfm_test.rb in github-markdown-0.5.3 vs test/gfm_test.rb in github-markdown-0.5.4

@@ -14,10 +14,37 @@
   assert_equal Nokogiri::HTML::DocumentFragment.parse(html_a).to_html,
     Nokogiri::HTML::DocumentFragment.parse(html_b).to_html
 end
 
 class GFMBasicTest < Test::Unit::TestCase
+  Dir['test/fixtures/*.md'].each do |md_file|
+    markup = md_file.split('/').last.gsub(/\.md/, '')
+
+    define_method "test_#{markup}" do
+      source = File.read(md_file)
+
+      expected_file = "test/fixtures/#{markup}.html"
+      expected = File.read(expected_file).rstrip
+      actual = GitHub::Markdown.render(source).rstrip
+
+      if source != expected
+        assert(source != actual, "#{markup} did not render anything")
+      end
+
+      diff = IO.popen("diff -u - #{expected_file}", 'r+') do |f|
+        f.write actual
+        f.close_write
+        f.read
+      end
+
+      assert expected == actual, <<message
+#{File.basename expected_file}'s contents don't match command output:
+#{diff}
+message
+    end
+  end
+
   def test_that_render_works
     GitHub::Markdown.to_html("Hello **world**!", :gfm)
   end
 
   def test_that_code_blocks_work
@@ -48,10 +75,10 @@
 
     html = GitHub::Markdown.render(markdown)
     parsed = Nokogiri::HTML::DocumentFragment.parse(html)
 
     items.inject(parsed) do |node, expected_item|
-      child = node.at('.//ul/li')
+      child = node.xpath('.//ul/li')
       child_item = child.children.detect{|e| e.text?}.text.strip
       assert_equal expected_item, child_item
       node = child
     end
   end