def test_problems_by_difficulty(self):
# Trivial
problem1 = Problem.objects.get(pk=1)
# Medium
problem2 = Problem.objects.get(pk=2)
problem5 = Problem.objects.get(pk=5)
trivial_result = list(get_problems_by_difficulty(DIFFICULTY.TRIVIAL).all())
self.assertEqual(trivial_result, [problem1])
medium_result = list(get_problems_by_difficulty(DIFFICULTY.MEDIUM).all())
self.assertIn(problem2, medium_result)
self.assertIn(problem5, medium_result)
self.assertEqual(len(medium_result), 2)
hard_result = list(get_problems_by_difficulty(DIFFICULTY.HARD).all())
self.assertEqual(hard_result, [])
def test_problems_by_difficulty(self):
# Trivial
problem1 = Problem.objects.get(pk=1)
# Medium
problem2 = Problem.objects.get(pk=2)
problem5 = Problem.objects.get(pk=5)
trivial_result =\
list(get_problems_by_difficulty(DIFFICULTY.TRIVIAL).all())
self.assertEqual(trivial_result, [problem1])
medium_result =\
list(get_problems_by_difficulty(DIFFICULTY.MEDIUM).all())
self.assertIn(problem2, medium_result)
self.assertIn(problem5, medium_result)
self.assertEqual(len(medium_result), 2)
hard_result = list(get_problems_by_difficulty(DIFFICULTY.HARD).all())
self.assertEqual(hard_result, [])
def suggest_task(self, user):
"""Returns a problem object as a suggestion for the user or None if no
suggestion can be returned
"""
user_level = Experience(user).current_level
if user_level >= SuggestLvl5From:
qset = get_problems_by_difficulty(DIFFICULTY.IMPOSSIBLE)
elif user_level >= SuggestLvl4From:
qset = get_problems_by_difficulty(DIFFICULTY.HARD)
elif user_level >= SuggestLvl3From:
qset = get_problems_by_difficulty(DIFFICULTY.MEDIUM)
elif user_level >= SuggestLvl2From:
qset = get_problems_by_difficulty(DIFFICULTY.EASY)
else:
qset = get_problems_by_difficulty(DIFFICULTY.TRIVIAL)
try:
return qset.filter(is_public=True).order_by('?').first()
except Problem.DoesNotExist:
return None
def suggest_task(self, user):
"""Returns a problem object as a suggestion for the user or None if no
suggestion can be returned
"""
if not user.is_authenticated():
return None
user_level = Experience(user).current_level
if user_level >= SuggestLvl5From:
qset = get_problems_by_difficulty(DIFFICULTY.IMPOSSIBLE)
elif user_level >= SuggestLvl4From:
qset = get_problems_by_difficulty(DIFFICULTY.HARD)
elif user_level >= SuggestLvl3From:
qset = get_problems_by_difficulty(DIFFICULTY.MEDIUM)
elif user_level >= SuggestLvl2From:
qset = get_problems_by_difficulty(DIFFICULTY.EASY)
else:
qset = get_problems_by_difficulty(DIFFICULTY.TRIVIAL)
try:
return qset.filter(is_public=True).order_by('?').first()
except Problem.DoesNotExist:
return None