Expand coverage of admin/trends/* areas (#33581)

spec/system/admin/trends/links/preview_card_providers_spec.rb

@@ -5,20 +5,49 @@ require 'rails_helper'
 RSpec.describe 'Admin::Trends::Links::PreviewCardProviders' do
   let(:current_user) { Fabricate(:admin_user) }
 
-  before do
-    sign_in current_user
-  end
+  before { sign_in current_user }
 
   describe 'Performing batch updates' do
-    before do
-      visit admin_trends_links_preview_card_providers_path
-    end
-
     context 'without selecting any records' do
       it 'displays a notice about selection' do
+        visit admin_trends_links_preview_card_providers_path
+
         click_on button_for_allow
 
-        expect(page).to have_content(selection_error_text)
+        expect(page)
+          .to have_content(selection_error_text)
+      end
+    end
+
+    context 'with providers that are not trendable' do
+      let!(:provider) { Fabricate :preview_card_provider, trendable: false }
+
+      it 'allows the providers' do
+        visit admin_trends_links_preview_card_providers_path
+
+        check_item
+
+        expect { click_on button_for_allow }
+          .to change { provider.reload.trendable? }.from(false).to(true)
+      end
+    end
+
+    context 'with providers that are trendable' do
+      let!(:provider) { Fabricate :preview_card_provider, trendable: true }
+
+      it 'disallows the providers' do
+        visit admin_trends_links_preview_card_providers_path
+
+        check_item
+
+        expect { click_on button_for_disallow }
+          .to change { provider.reload.trendable? }.from(true).to(false)
+      end
+    end
+
+    def check_item
+      within '.batch-table__row' do
+        find('input[type=checkbox]').check
       end
     end
 
@@ -26,6 +55,10 @@ RSpec.describe 'Admin::Trends::Links::PreviewCardProviders' do
       I18n.t('admin.trends.allow')
     end
 
+    def button_for_disallow
+      I18n.t('admin.trends.disallow')
+    end
+
     def selection_error_text
       I18n.t('admin.trends.links.publishers.no_publisher_selected')
     end