1 files changed, 15 insertions, 0 deletions
diff --git a/spec/models/external_issue_spec.rb b/spec/models/external_issue_spec.rb
index 9b144dd1ecc..4fc3b065592 100644
--- a/spec/models/external_issue_spec.rb
+++ b/spec/models/external_issue_spec.rb
@@ -36,4 +36,19 @@ describe ExternalIssue, models: true do
       expect(issue.title).to eq "External Issue #{issue}"
     end
   end
+
+  describe '#reference_link_text' do
+    context 'if issue id has a prefix' do
+      it 'returns the issue ID' do
+        expect(issue.reference_link_text).to eq 'EXT-1234'
+      end
+    end
+
+    context 'if issue id is a number' do
+      let(:issue)   { described_class.new('1234', project) }
+      it 'returns the issue ID prefixed by #' do
+        expect(issue.reference_link_text).to eq '#1234'
+      end
+    end
+  end
 end