def on_request(ch, method, props, req):
req_json = json.loads(req)
teachers = Teachers()
teachers.add(req_json['teachers'])
subjects = Subjects()
subjects.add(req_json['subjects'])
timeslots = TimeSlots(req_json['timeslots'])
solver = Solver(teachers, subjects, timeslots)
solver.solve()
response = solver.solution
ch.basic_publish(exchange='',
routing_key=props.reply_to,
properties=pika.BasicProperties(
correlation_id=props.correlation_id
),
body=str(response))
ch.basic_ack(delivery_tag=method.delivery_tag)
def test_solver(self):
teachers = Teachers()
teachers.add(['Bob', 'Jill', 'Tim', 'Ben'])
subjects = Subjects()
subjects.add(['Sport', 'Art'])
timeslots = TimeSlots(4)
solver = Solver(teachers,
subjects,
timeslots)
solver.solve()
self.assertEqual(len(solver.solution.row), 2)
self.assertEqual(len(solver.solution.col), 4)
self.assertEqual(len(solver.solution.flat), 8)
self.assertTrue([num in solver.solution.flat for num in
range(len(teachers.store)+1)])
teachers.add('Jeff')
with self.assertRaises(ValueError):
solver = Solver(teachers,
subjects,
timeslots)