Add syntax highlighting to diff view. #3945

1 files changed, 11 insertions, 0 deletions

diff --git a/spec/helpers/blob_helper_spec.rb b/spec/helpers/blob_helper_spec.rb
index b8bba36439a..74edef3a2b4 100644
--- a/spec/helpers/blob_helper_spec.rb
+++ b/spec/helpers/blob_helper_spec.rb
@@ -64,4 +64,15 @@ describe BlobHelper do
       end
     end
   end
+
+  describe 'highlight_line' do
+    let(:expected) do
+      %q(<span id="LC1" class="line"><span class="nb">puts</span> <span class="s1">&#39;Hello&#39;</span> <span class="idiff">world</span></span>)
+    end
+
+    it 'should respect the inline diff markup' do
+      result = highlight_line('demo.rb', "puts 'Hello' <span class='idiff'>world</span>")
+      expect(result).to eq(expected)
+    end
+  end
 end