def test_departments_invalid_type(self):
""" Test that invalid type raises exception """
with self.assertRaises(Exception):
CourseVal.departments(1234)
with self.assertRaises(Exception):
CourseVal.departments([1234])
with self.assertRaises(Exception):
CourseVal.departments([""])
def test_departments_length(self):
""" Test that zero-length raises exception """
with self.assertRaises(Exception):
CourseVal.departments([])
def test_departments(self):
""" Test that valid args does not raise exception """
try:
CourseVal.departments(["test"])
except Exception:
self.fail()