Convert settings/featured_tags controller->request/system spec (#33880)

spec/system/settings/featured_tags_spec.rb

@@ -0,0 +1,42 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe 'Settings Featured Tags' do
+  let(:user) { Fabricate(:user) }
+
+  before { sign_in(user) }
+
+  describe 'Managing tags' do
+    let(:tag) { Fabricate(:tag) }
+    let(:status) { Fabricate :status, account: user.account }
+
+    before { status.tags << tag }
+
+    it 'Views, adds, and removes featured tags' do
+      visit settings_featured_tags_path
+
+      # Link to existing tag used on a status
+      expect(page.body)
+        .to include(
+          settings_featured_tags_path(featured_tag: { name: tag.name })
+        )
+
+      # Invalid entry
+      fill_in 'featured_tag_name', with: 'test, #foo !bleh'
+      expect { click_on I18n.t('featured_tags.add_new') }
+        .to_not change(user.account.featured_tags, :count)
+
+      # Valid entry
+      fill_in 'featured_tag_name', with: '#friends'
+      expect { click_on I18n.t('featured_tags.add_new') }
+        .to change(user.account.featured_tags, :count).by(1)
+
+      # Delete the created entry
+      expect { click_on I18n.t('filters.index.delete') }
+        .to change(user.account.featured_tags, :count).by(-1)
+      expect(page)
+        .to have_title(I18n.t('settings.featured_tags'))
+    end
+  end
+end