def test_unique_id_2():
"""unique_id() should return an unused id."""
ids = []
ids.append(tasks.add(Task('one')))
ids.append(tasks.add(Task('two')))
ids.append(tasks.add(Task('three')))
# grab a unique id
uid = tasks.unique_id()
# make sure it isn't in the list of existing ids
assert uid not in ids
def test_unique_id(tasks_db, tasks_mult_per_owner):
"""unique_id() should return an unused id."""
existing_tasks = tasks.list_tasks()
uid = tasks.unique_id()
for t in existing_tasks:
assert uid != t.id
def test_unique_id_1():
"""Calling unique_id() twice should return different numbers."""
id_1 = tasks.unique_id()
id_2 = tasks.unique_id()
assert id_1 != id_2
def test_unique_id_not_a_duck():
"""Demonstrate xpass."""
uid = tasks.unique_id()
assert uid != 'a duck'
def test_unique_id_is_a_duck():
"""Demonstrate xfail."""
uid = tasks.unique_id()
assert uid == 'a duck'