def test_add_same_task():
"""
Hash collisions are handled.
"""
db = TaskDB()
task = Task(name="test", created="now")
db.add(task)
db.add(task)
hashes = list(db.tasks.keys())
assert all(t == task for t in db.tasks.values())
assert hashes[0] != hashes[1]
def test_repr_defined():
t = Task(name="test")
assert type(t.__repr__()) == str