1 files changed, 15 insertions, 2 deletions
diff --git a/spec/helpers/diff_helper_spec.rb b/spec/helpers/diff_helper_spec.rb
index 0d909e6e140..060c112e20d 100644
--- a/spec/helpers/diff_helper_spec.rb
+++ b/spec/helpers/diff_helper_spec.rb
@@ -12,19 +12,32 @@ describe DiffHelper do
   let(:diff_file) { Gitlab::Diff::File.new(diff, diff_refs: diff_refs, repository: repository) }
 
   describe 'diff_view' do
+    it 'uses the view param over the cookie' do
+      controller.params[:view] = 'parallel'
+      helper.request.cookies[:diff_view] = 'inline'
+
+      expect(helper.diff_view).to eq :parallel
+    end
+
+    it 'returns the default value when the view param is invalid' do
+      controller.params[:view] = 'invalid'
+
+      expect(helper.diff_view).to eq :inline
+    end
+
     it 'returns a valid value when cookie is set' do
       helper.request.cookies[:diff_view] = 'parallel'
 
       expect(helper.diff_view).to eq :parallel
     end
 
-    it 'returns a default value when cookie is invalid' do
+    it 'returns the default value when cookie is invalid' do
       helper.request.cookies[:diff_view] = 'invalid'
 
       expect(helper.diff_view).to eq :inline
     end
 
-    it 'returns a default value when cookie is nil' do
+    it 'returns the default value when cookie is nil' do
       expect(helper.request.cookies).to be_empty
 
       expect(helper.diff_view).to eq :inline