1 files changed, 51 insertions, 0 deletions
diff --git a/spec/lib/banzai/reference_parser/mentioned_user_parser_spec.rb b/spec/lib/banzai/reference_parser/mentioned_user_parser_spec.rb
new file mode 100644
index 00000000000..1be279375bd
--- /dev/null
+++ b/spec/lib/banzai/reference_parser/mentioned_user_parser_spec.rb
@@ -0,0 +1,51 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Banzai::ReferenceParser::MentionedUserParser do
+  include ReferenceParserHelpers
+
+  let(:group) { create(:group, :private) }
+  let(:user) { create(:user) }
+  let(:new_user) { create(:user) }
+  let(:project) { create(:project, group: group, creator: user) }
+  let(:link) { empty_html_link }
+
+  subject { described_class.new(Banzai::RenderContext.new(project, new_user)) }
+
+  describe '#gather_references' do
+    context 'when the link has a data-group attribute' do
+      context 'using an existing group ID' do
+        before do
+          link['data-group'] = project.group.id.to_s
+          group.add_developer(new_user)
+        end
+
+        it 'returns empty list of users' do
+          expect(subject.gather_references([link])).to eq([])
+        end
+      end
+    end
+
+    context 'when the link has a data-project attribute' do
+      context 'using an existing project ID' do
+        before do
+          link['data-project'] = project.id.to_s
+          project.add_developer(new_user)
+        end
+
+        it 'returns empty list of users' do
+          expect(subject.gather_references([link])).to eq([])
+        end
+      end
+    end
+
+    context 'when the link has a data-user attribute' do
+      it 'returns an Array of users' do
+        link['data-user'] = user.id.to_s
+
+        expect(subject.referenced_by([link])).to eq([user])
+      end
+    end
+  end
+end