1 files changed, 15 insertions, 1 deletions
diff --git a/spec/helpers/diff_helper_spec.rb b/spec/helpers/diff_helper_spec.rb
index 63aa41bbad5..ef1f0940074 100644
--- a/spec/helpers/diff_helper_spec.rb
+++ b/spec/helpers/diff_helper_spec.rb
@@ -2,7 +2,7 @@
 
 require 'spec_helper'
 
-describe DiffHelper do
+RSpec.describe DiffHelper do
   include RepoHelpers
 
   let(:project) { create(:project, :repository) }
@@ -303,6 +303,20 @@ describe DiffHelper do
     end
   end
 
+  describe '#diff_file_html_data' do
+    let(:project) { build(:project) }
+    let(:path) { 'path/to/file' }
+    let(:sha) { '1234567890' }
+
+    subject do
+      helper.diff_file_html_data(project, path, sha)
+    end
+
+    it 'returns data for project files' do
+      expect(subject).to include(blob_diff_path: helper.project_blob_diff_path(project, "#{sha}/#{path}"))
+    end
+  end
+
   describe '#diff_file_path_text' do
     it 'returns full path by default' do
       expect(diff_file_path_text(diff_file)).to eq(diff_file.new_path)