def test_raises_on_incorrect_input_type(self):
"""
Assert that `to_uuid` raises error on wrong input class
"""
with pytest.raises(TypeError) as exc:
to_uuid(3.0)
assert "Cannot convert object to UUID" in str(exc)
assert "float" in str(exc)
def stream_from_uuid(self, uuid):
"""
Creates a stream handle to the BTrDB stream with the UUID `uuid`. This
method does not check whether a stream with the specified UUID exists.
It is always good form to check whether the stream existed using
`stream.exists()`.
Parameters
----------
uuid: UUID
The uuid of the requested stream.
Returns
-------
Stream
instance of Stream class or None
"""
return Stream(self, to_uuid(uuid))
def test_raises_on_bad_data(self):
"""
Assert that `to_uuid` raises error with bad UUID string
"""
with pytest.raises(ValueError):
to_uuid("bad data!!!")
def test_from_uuid(self):
"""
Assert that `to_uuid` returns passed UUID
"""
assert to_uuid(EXAMPLE_UUID) == EXAMPLE_UUID
def test_from_str(self):
"""
Assert that `to_uuid` converts from str
"""
assert to_uuid(EXAMPLE_UUID_STR) == EXAMPLE_UUID
def test_from_bytes(self):
"""
Assert that `to_uuid` converts from bytes
"""
assert to_uuid(EXAMPLE_UUID_BYTES) == EXAMPLE_UUID