FEATURE: Allow selection of highlight js languages

PERF: stop loading highlight js on load

To get latest highlight js run bin/rake highlightjs:update

spec/components/highlight_js/highlight_js_spec.rb

@@ -0,0 +1,23 @@
+require 'spec_helper'
+require_dependency 'highlight_js/highlight_js'
+
+describe HighlightJs do
+  it 'can list languages' do
+    HighlightJs.languages.should include('thrift')
+  end
+
+  it 'can generate a packed bundle' do
+    bundle = HighlightJs.bundle(["thrift", "http"])
+    bundle.should =~ /thrift/
+    bundle.should =~ /http/
+    bundle.should_not =~ /applescript/
+  end
+
+
+  it 'can get a version string' do
+    version1 = HighlightJs.version("http|cpp")
+    version2 = HighlightJs.version("rust|cpp|fake")
+
+    version1.should_not == version2
+  end
+end

spec/components/pretty_text_spec.rb

@@ -304,4 +304,8 @@ describe PrettyText do
     expect(PrettyText.cook("***\\****a")).to match_html("<p><strong><em>*</em></strong>a</p>")
   end
 
+  it 'can include code class correctly' do
+    expect(PrettyText.cook("```cpp\ncpp\n```")).to match_html("<p></p><pre><code class='lang-cpp'>cpp</code></pre>")
+  end
+
 end