text: from unittest import mock
  
  import pytest
  
  from ulaval_notify.api.notifications import NotificationManager
  from ulaval_notify.api.session import SessionManager
  
  
  AN_IMPORTANT_MESSAGE_ID = 1
  
  
  @pytest.fixture
  def session_manager_mock():
      session_manager = mock.create_autospec(SessionManager)
      session_manager.send.return_value = {
          'messagesImportants': [{
              'idMessageImportant': AN_IMPORTANT_MESSAGE_ID
          }]
      }
      return session_manager
  
  
  @pytest.fixture
  def callback_stub():
      return mock.MagicMock()
  
  
  @pytest.fixture
  def create_request_stub():
      return mock.MagicMock()
  
  
  def test_that_given_already_displayed_notifications_when_check_notifications_then_no_notifications_are_displayed(session_manager_mock, callback_stub, create_request_stub):
      notification_manager = NotificationManager(
          session_manager_mock,
          callback_stub,
          create_request_stub
      )
      notification_manager.check_notifications()
  
      notification_manager.check_notifications()
  
      callback_stub.assert_called_once_with(mock.ANY)
  