Merge branch 'zj-workhorse-to-serve-diffs' into 'master' 14722-searching-for-usernames-should-only-be-possible-for-search-strings-with-a-valid-format

Workhorse to serve raw diffs

Fixes (partially) #13999

Dependent on: gitlab-org/gitlab-workhorse!45

See merge request !4130

1 files changed, 3 insertions, 6 deletions

diff --git a/spec/controllers/projects/merge_requests_controller_spec.rb b/spec/controllers/projects/merge_requests_controller_spec.rb
index 2a9ee881e98..1301574f489 100644
--- a/spec/controllers/projects/merge_requests_controller_spec.rb
+++ b/spec/controllers/projects/merge_requests_controller_spec.rb
@@ -84,17 +84,14 @@ describe Projects::MergeRequestsController do
     end
 
     describe "as diff" do
-      include_examples "export merge as", :diff
-      let(:format) { :diff }
-
-      it "should really only be a git diff" do
+      it "triggers workhorse to serve the request" do
         get(:show,
             namespace_id: project.namespace.to_param,
             project_id: project.to_param,
             id: merge_request.iid,
-            format: format)
+            format: :diff)
 
-        expect(response.body).to start_with("diff --git")
+        expect(response.headers['Gitlab-Workhorse-Send-Data']).to start_with("git-diff:")
       end
     end