1 files changed, 38 insertions, 0 deletions
diff --git a/spec/features/user_opens_link_to_comment_spec.rb b/spec/features/user_opens_link_to_comment_spec.rb
new file mode 100644
index 00000000000..9533a4fe40d
--- /dev/null
+++ b/spec/features/user_opens_link_to_comment_spec.rb
@@ -0,0 +1,38 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe 'User opens link to comment', :js do
+  let(:project) { create(:project, :public) }
+  let(:note) { create(:note_on_issue, project: project) }
+
+  context 'authenticated user' do
+    let(:user) { create(:user) }
+
+    before do
+      sign_in(user)
+    end
+
+    it 'switches to all activity and does not show error message' do
+      create(:user_preference, user: user, issue_notes_filter: UserPreference::NOTES_FILTERS[:only_activity])
+
+      visit Gitlab::UrlBuilder.build(note)
+
+      wait_for_requests
+
+      expect(page.find('#discussion-filter-dropdown')).to have_content('Show all activity')
+      expect(page).not_to have_content('Something went wrong while fetching comments')
+
+      # Auto-switching to show all notes shouldn't be persisted
+      expect(user.reload.notes_filter_for(note.noteable)).to eq(UserPreference::NOTES_FILTERS[:only_activity])
+    end
+  end
+
+  context 'anonymous user' do
+    it 'does not show error message' do
+      visit Gitlab::UrlBuilder.build(note)
+
+      expect(page).not_to have_content('Something went wrong while fetching comments')
+    end
+  end
+end