def test_diff_fields_check_mismatch(dummy_user_dict, dummy_group_dict):
""" Check we cannot diff two different objects"""
user = User(dummy_user_dict)
group = Group(dummy_group_dict)
with pytest.raises(ValueError):
user.diff_fields(group)
def test_diff_fields(dummy_user_dict):
""" Check the method to compare the diff between two User objects works"""
user = User(dummy_user_dict)
new_data = dummy_user_dict.copy()
new_data["fasgithubusername"] = ["newusername"]
changed_user = User(new_data)
diff = user.diff_fields(changed_user)
assert diff == ['github']
