Add specs to IssueFinder

spec/finders/issues_finder_spec.rb

@@ -567,6 +567,31 @@ RSpec.describe IssuesFinder do
         it 'returns issues with title and description match for search term' do
           expect(issues).to contain_exactly(issue1, issue2)
         end
+
+        context 'with anonymous user' do
+          let_it_be(:public_project, reload: true) { create(:project, :public, group: subgroup) }
+          let_it_be(:issue6, reload: true) { create(:issue, project: public_project, title: 'tanuki') }
+          let_it_be(:issue7, reload: true) { create(:issue, project: public_project, title: 'ikunat') }
+
+          let(:search_user) { nil }
+          let(:params) { { search: 'tanuki' } }
+
+          context 'with disable_anonymous_search feature flag enabled' do
+            it 'does not perform search' do
+              expect(issues).to contain_exactly(issue6, issue7)
+            end
+          end
+
+          context 'with disable_anonymous_search feature flag disabled' do
+            before do
+              stub_feature_flags(disable_anonymous_search: false)
+            end
+
+            it 'finds one public issue' do
+              expect(issues).to contain_exactly(issue6)
+            end
+          end
+        end
       end
 
       context 'filtering by issue term in title' do
@@ -1256,7 +1281,7 @@ RSpec.describe IssuesFinder do
   end
 
   describe '#use_cte_for_search?' do
-    let(:finder) { described_class.new(nil, params) }
+    let(:finder) { described_class.new(user, params) }
 
     context 'when there is no search param' do
       let(:params) { { attempt_group_search_optimizations: true } }
@@ -1275,7 +1300,7 @@ RSpec.describe IssuesFinder do
     end
 
     context 'when all conditions are met' do
-      context "uses group search optimization" do
+      context 'uses group search optimization' do
         let(:params) { { search: 'foo', attempt_group_search_optimizations: true } }
 
         it 'returns true' do
@@ -1284,7 +1309,7 @@ RSpec.describe IssuesFinder do
         end
       end
 
-      context "uses project search optimization" do
+      context 'uses project search optimization' do
         let(:params) { { search: 'foo', attempt_project_search_optimizations: true } }
 
         it 'returns true' do