def test_check_input_false():
"""Test that a token we believe to be bad returns False."""
from trie import Trie
trie = Trie()
token = '$computer'
assert trie._check_token(token) is False
def test_check_input_false_many_bad_characters():
"""Test that a token we believe to be bad returns False."""
from trie import Trie
trie = Trie()
token = '$!*&#^|'
assert trie._check_token(token) is False
def test_check_input_true_with_apostrophe():
"""Test that a token with an apostrophe returns True."""
from trie import Trie
trie = Trie()
token = "computer's"
assert trie._check_token(token)
def test_check_input_true():
"""Test that a token we believe to be good returns True."""
from trie import Trie
trie = Trie()
token = 'computer'
assert trie._check_token(token)
