def test_order_sort_valid_key():
item = dict(order=1)
assert charts_builder.order_sort(item) == 1
def test_order_sort_invalid_key():
item = dict()
assert charts_builder.order_sort(item) == -1
def test_order_sort_force_valueerror():
item = dict(order='NaN')
assert charts_builder.order_sort(item) == -1
def test_order_sort_force_valueerror_none():
item = dict(order=None)
assert charts_builder.order_sort(item) == -1
def test_order_sort_force_valueerror_func():
item = dict(order=lambda x: x)
assert charts_builder.order_sort(item) == -1
def test_order_sort_none():
assert charts_builder.order_sort(None) == -1
