def test_unique_id():
"""Tests that unique_id generates a unique identifier and is unique
"""
id1 = unique_id()
id2 = unique_id()
assert PATTERN_12_BYTE_HASH.match(id1)
assert PATTERN_12_BYTE_HASH.match(id2)
assert id1 != id2
def unique_id(self):
"""Generates a random 12-byte hexadecimal string
Override where desired behavior differs"""
return unique_id()
def test_hash_no_rehash():
"""Test that the hash function won't rehash a 12-byte hex string
"""
assert hash_id("3a392b49adf4b306976fb0d0") == "3a392b49adf4b306976fb0d0"
value = unique_id()
assert hash_id(value) == value
def id(self):
"""Generates a random 12-byte hexidecimal string"""
return unique_id()
