def test_separate_groups_balanced_smaller_total():
groups = [4, 4, 4]
total = 6
overloaded, underloaded = separate_groups(groups, lambda x: x, total)
assert overloaded == [4, 4, 4]
def test_separate_groups_balanced_much_greater_total():
groups = [4, 4, 4]
total = 20
overloaded, underloaded = separate_groups(groups, lambda x: x, total)
assert underloaded == [4, 4, 4]
def test_separate_groups_almost_balanced():
groups = [5, 5, 4]
total = 14
overloaded, underloaded = separate_groups(groups, lambda x: x, total)
assert overloaded == [5, 5]
assert underloaded == [4]
def test_separate_groups_unbalanced():
groups = [4, 4, 3, 2]
total = 13
overloaded, underloaded = separate_groups(groups, lambda x: x, total)
assert overloaded == [4, 4]
assert underloaded == [2, 3]
def test_separate_groups_balanced():
groups = [4, 4, 4]
total = 12
overloaded, underloaded = separate_groups(groups, lambda x: x, total)
assert not overloaded
assert not underloaded