def test_impossible_goal(self):
# the scheduler should return an empty conjunction if conditions of the goal cannot be satisfied in four years
# there are 100 total ECON and EDUC courses, so it is impossible to take all in 4 years
all_econ_educ = [(key.program, key.designation)
for key in self.course_dict
if (key.program == 'ECON' or key.program == 'EDUC')]
plan = course_scheduler(self.course_dict, all_econ_educ, [])
self.assertEqual(plan, ())
def test_open_elective(self):
# testing the open elective issue
plan = course_scheduler(self.course_dict, [('CS', 'openelectives')],
[])
unique_courses = set()
for course in plan:
unique_courses.add(course[0].name)
self.assertEqual(len(unique_courses), len(plan))
def test_initial_state(self):
plan = course_scheduler(self.course_dict, [('CS', '1101'),
('SPAN', '1102'),
('SPAN', '3325')],
[('SPAN', '1101')])
# the prereq for SPAN1102 is already satisfied so neither of its prereqs should be in the plan
for course in plan:
self.assertNotEqual(course[0], ('SPAN', '1101'))
self.assertNotEqual(course[0], ('SPAN', '1100'))
def test_one_class_goal(self):
# sum of credits must not be less than 12 per term
plan = course_scheduler(self.course_dict, [('CS', '3250')], [])
split_plan = split_by_term(plan)
# ensure proper number of credits each semester
for year in split_plan:
for term in split_plan[year]:
self.assertTrue((12 <= split_plan[year][term]['credits'] <= 18)
or (split_plan[year][term]['credits'] == 0))
def test_proper_terms(self):
# ensuring the correct years and terms are included
# this goal should result in a 5-semester plan
plan = course_scheduler(self.course_dict, [('MATH', '4110')], [])
split_plan = split_by_term(plan)
years = list(split_plan.keys())
self.assertNotEqual(split_plan['Frosh']['Fall']['courses'], [])
self.assertNotEqual(split_plan['Frosh']['Spring']['courses'], [])
self.assertNotEqual(split_plan['Soph']['Fall']['courses'], [])
self.assertNotEqual(split_plan['Soph']['Spring']['courses'], [])
self.assertNotEqual(split_plan['Junior']['Fall']['courses'], [])
self.assertEqual(split_plan['Junior']['Spring']['courses'], [])
self.assertEqual(split_plan['Senior']['Fall']['courses'], [])
self.assertEqual(split_plan['Senior']['Spring']['courses'], [])
def test_logistics(self):
# ensure that all scheduled courses are actual courses (ie. are not higher level requirements or empty)
# and are offered during the semester they are scheduled
plan = course_scheduler(self.course_dict, [('CS', 'major')], [])
split_plan = split_by_term(plan)
for year in split_plan:
for term in split_plan[year]:
for course in split_plan[year][term]['courses']:
terms = self.course_dict[course.name].terms
self.assertTrue(term in terms)
self.assertNotEqual(self.course_dict[course.name].credits,
0)
credit = split_plan[year][term]['credits']
self.assertTrue((12 <= credit <= 18) or credit == 0)
def test_5_credits(self):
# goal of only 4 courses, but cannot all fit in one term since they're all 5-credit
plan = course_scheduler(self.course_dict, [('SPAN', '1100'),
('SPAN', '1101'),
('SPAN', '1103'),
('SPAN', '2203')], [])
split_plan = split_by_term(plan)
self.assertNotEqual(split_plan['Frosh']['Fall']['courses'], [])
self.assertNotEqual(split_plan['Frosh']['Spring']['courses'], [])
self.assertEqual(split_plan['Soph']['Fall']['courses'], [])
self.assertEqual(split_plan['Soph']['Spring']['courses'], [])
self.assertEqual(split_plan['Junior']['Fall']['courses'], [])
self.assertEqual(split_plan['Junior']['Spring']['courses'], [])
self.assertEqual(split_plan['Senior']['Fall']['courses'], [])
self.assertEqual(split_plan['Senior']['Spring']['courses'], [])
def test_simple_plan(self):
# in this case, there is no ambiguity in the optimal terms to schedule the goal and its prereqs in
plan = course_scheduler(self.course_dict, [('MATH', '2410')], [])
split_plan = split_by_term(plan)
self.assertTrue(
('MATH', '1200') in split_plan['Frosh']['Fall']['courses']
or ('MATH', '1300') in split_plan['Frosh']['Fall']['courses'])
if ('MATH', '1200') in split_plan['Frosh']['Fall']['courses']:
self.assertTrue(
('MATH', '1201') in split_plan['Frosh']['Spring']['courses'])
self.assertTrue(('MATH',
'2200') in split_plan['Soph']['Fall']['courses'])
self.assertTrue(
('MATH', '2300') in split_plan['Soph']['Spring']['courses'])
self.assertTrue(
('MATH', '2410') in split_plan['Junior']['Fall']['courses'])
if ('MATH', '1300') in split_plan['Frosh']['Fall']['courses']:
self.assertTrue(
('MATH', '1301') in split_plan['Frosh']['Spring']['courses'])
self.assertTrue(('MATH',
'2300') in split_plan['Soph']['Fall']['courses'])
self.assertTrue(
('MATH', '2410') in split_plan['Soph']['Spring']['courses'])
def test_goal_satisfied(self):
# testing the scheduler when the provided goal has already been satisfied
plan = course_scheduler(self.course_dict, [('CS', '1101')],
[('CS', '1101')])
self.assertEqual(plan, ())
def test_no_goal(self):
plan = course_scheduler(self.course_dict, [], [])
self.assertEqual(plan, ())
