def test_tuple(self):
# NOTE: this is really a border case and there is some cost/benefit adding it to as_list function
#
# +: it is good to think about "other options"
#
# -: "other options" are endless, and we can rather raise
# error in bulk if we think that probability of bordercase
# appeareing if low. as_list operates on written instruction,
# so here we can assume one follows convention. appearance of
# tuple is a rare hapening.
#
# In other words, it is a bit of 'made-up' situation and probably
# in this case not worth the effort. Also had to change to another elif
# to ensure the output is always a list.
#
# I'm writing this because cost/benefit tradeoff becomes more
# important in rest of code, where some border cases are critical and some are not.
#
tup = tuple(["a", "b"])
assert as_list(tup) == ["a", "b"]
def test_argument_of_wrong_type(self):
with pytest.raises(TypeError):
as_list(1)
def test_single_arg(self):
assert as_list("a") == ["a"]
assert as_list(["a"]) == ["a"]
def test_list_arg(self):
assert as_list(["a", "b"]) == ["a", "b"]
def test_tuple(self):
tup = tuple(["a", "b"])
assert as_list(tup) == ["a", "b"]