def test_LeafConstructionError_upon_update():
"""Tests that a `LeafConstructionError` is raised if both `record` and `digest`
are provided as arguments to the `MerkleTree.update()` method
"""
t = MerkleTree()
with pytest.raises(LeafConstructionError):
t.update(
record='some record',
digest=
'540ef8fc9eefa3ec0fbe55bc5d10dbea03d5bac5591b3d7db3af79ec24b3f74c')
def test_UndecodableRecordError_upon_update(_byte, _encoding, _security):
t = MerkleTree('a', 'b', 'c', encoding=_encoding, security=_security)
with pytest.raises(UndecodableRecordError):
t.update(record=_byte)