1 files changed, 43 insertions, 0 deletions
diff --git a/spec/lib/gitlab/gfm/reference_unfolder_spec.rb b/spec/lib/gitlab/gfm/reference_unfolder_spec.rb
new file mode 100644
index 00000000000..4f8b960350c
--- /dev/null
+++ b/spec/lib/gitlab/gfm/reference_unfolder_spec.rb
@@ -0,0 +1,43 @@
+require 'spec_helper'
+
+describe Gitlab::Gfm::ReferenceUnfolder do
+  let(:text) { 'some text' }
+  let(:old_project) { create(:project) }
+  let(:new_project) { create(:project) }
+
+  describe '#unfold' do
+    subject { described_class.new(text, old_project).unfold(new_project) }
+
+    context 'multiple issues and merge requests referenced' do
+      let!(:issue_first) { create(:issue, project: old_project) }
+      let!(:issue_second) { create(:issue, project: old_project) }
+      let!(:merge_request) { create(:merge_request, source_project: old_project) }
+
+      context 'plain text description' do
+        let(:text) { 'Description that references #1, #2 and !1' }
+
+        it { is_expected.to include issue_first.to_reference(new_project) }
+        it { is_expected.to include issue_second.to_reference(new_project) }
+        it { is_expected.to include merge_request.to_reference(new_project) }
+      end
+
+      context 'description with ignored elements' do
+        let(:text) do
+          "Hi. This references #1, but not `#2`\n" +
+          '<pre>and not !1</pre>'
+        end
+
+        it { is_expected.to include issue_first.to_reference(new_project) }
+        it { is_expected.to_not include issue_second.to_reference(new_project) }
+        it { is_expected.to_not include merge_request.to_reference(new_project) }
+      end
+
+      context 'description ambigous elements' do
+        let(:url) { 'http://gitlab.com/#1' }
+        let(:text) { "This references #1, but not #{url}" }
+
+        it { is_expected.to include url }
+      end
+    end
+  end
+end