def test_smartjoin_for_empty_list(self):
list_to_join = []
filtered_string = ''
assert smartjoin(list_to_join) == filtered_string
def test_smartjoin_for_one_item(self):
list_to_join = ['one']
filtered_string = 'one'
assert smartjoin(list_to_join) == filtered_string
def test_smartjoin_for_more_than_one_item(self):
list_to_join = ['one', 'two', 'three', 'four']
filtered_string = 'one, two, three and four'
assert smartjoin(list_to_join) == filtered_string
def test_smartjoin_for_empty_list():
list_to_join = []
filtered_string = ''
assert smartjoin(list_to_join) == filtered_string
def test_smartjoin_for_one_item():
list_to_join = ['one']
filtered_string = 'one'
assert smartjoin(list_to_join) == filtered_string
def test_smartjoin_for_more_than_one_item():
list_to_join = ['one', 'two', 'three', 'four']
filtered_string = 'one, two, three and four'
assert smartjoin(list_to_join) == filtered_string
