def test_import_string(self):
"""
Tests all outcomes out import_string
"""
# Make sure an invalid module path returns None
self.assertIsNone(import_string('nope.nope'))
# Make sure an invalid module name returns None
self.assertIsNone(import_string('tour.nope'))
# For test coverage, import a null value
self.assertIsNone(import_string('tour.tests.mocks.mock_null_value'))
def load_step_class(self):
"""
Imports and returns the step class.
"""
return import_string(self.step_class)(self)
def load_tour_class(self):
"""
Imports and returns the tour class.
"""
return import_string(self.tour_class)(self)
