def test_fail(self, mock_course_presistence):
course_api = CourseApi(mock_course_presistence)
course = fake_course()
err = Err(fake.pystr())
mock_course_presistence.create_course = MagicMock(return_value=err)
assert course_api.create_course(course.course_code) == err
mock_course_presistence.create_course.assert_called_once_with(course)
def test_success(self, mock_course_presistence):
course_api = CourseApi(mock_course_presistence)
course = fake_course()
mock_course_presistence.create_course = MagicMock(
return_value=Ok(course))
assert course_api.create_course(course.course_code).unwrap() == course
mock_course_presistence.create_course.assert_called_once_with(course)