1 files changed, 32 insertions, 0 deletions
diff --git a/spec/lib/gitlab/markdown/issue_reference_filter_spec.rb b/spec/lib/gitlab/markdown/issue_reference_filter_spec.rb
index 94c80ae6611..296e8868f46 100644
--- a/spec/lib/gitlab/markdown/issue_reference_filter_spec.rb
+++ b/spec/lib/gitlab/markdown/issue_reference_filter_spec.rb
@@ -135,5 +135,37 @@ module Gitlab::Markdown
         expect(result[:references][:issue]).to eq [issue]
       end
     end
+
+    context 'URL cross-project reference' do
+      let(:namespace) { create(:namespace, name: 'cross-reference') }
+      let(:project2)  { create(:empty_project, :public, namespace: namespace) }
+      let(:issue)     { create(:issue, project: project2) }
+      let(:reference) { helper.url_for_issue(issue.iid, project2) + "#note_123" }
+
+      it 'ignores valid references when cross-reference project uses external tracker' do
+        expect_any_instance_of(Project).to receive(:get_issue).
+          with(issue.iid).and_return(nil)
+
+        exp = act = "Issue #{reference}"
+        expect(filter(act).to_html).to eq exp
+      end
+
+      it 'links to a valid reference' do
+        doc = filter("See #{reference}")
+
+        expect(doc.css('a').first.attr('href')).
+          to eq reference
+      end
+
+      it 'links with adjacent text' do
+        doc = filter("Fixed (#{reference}.)")
+        expect(doc.to_html).to match(/\(<a.+>#{Regexp.escape(issue.to_reference(project))} \(comment 123\)<\/a>\.\)/)
+      end
+
+      it 'adds to the results hash' do
+        result = reference_pipeline_result("Fixed #{reference}")
+        expect(result[:references][:issue]).to eq [issue]
+      end
+    end
   end
 end