feat: Contact Exports (#7258)

spec/mailers/administrator_notifications/channel_notifications_mailer_spec.rb

@@ -10,6 +10,7 @@ RSpec.describe AdministratorNotifications::ChannelNotificationsMailer do
   before do
     allow(described_class).to receive(:new).and_return(class_instance)
     allow(class_instance).to receive(:smtp_config_set_or_development?).and_return(true)
+    Account::ContactsExportJob.perform_now(account.id, [])
   end
 
   describe 'slack_disconnect' do
@@ -55,4 +56,17 @@ RSpec.describe AdministratorNotifications::ChannelNotificationsMailer do
       expect(mail.to).to eq([administrator.email])
     end
   end
+
+  describe 'contact_export_complete' do
+    let!(:file_url) { Rails.application.routes.url_helpers.rails_blob_url(account.contacts_export) }
+    let(:mail) { described_class.with(account: account).contact_export_complete(file_url).deliver_now }
+
+    it 'renders the subject' do
+      expect(mail.subject).to eq("Your contact's export file is available to download.")
+    end
+
+    it 'renders the receiver email' do
+      expect(mail.to).to eq([administrator.email])
+    end
+  end
 end