conservancy_beancount/tests/test_plugin_HookRegistry.py
Brett Smith a41feb94b3 plugin: Transform posting hooks into transaction hooks.
I feel like posting hooks a case of premature optimization in early
development. This approach reduces the number of special cases in
the code and allows us to more strongly reason about hooks in the
type system.
2020-03-15 15:50:14 -04:00

53 lines
2.1 KiB
Python

"""Test main plugin's HookRegistry"""
# Copyright © 2020 Brett Smith
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
import pytest
from . import testutil
from conservancy_beancount import plugin
def hook_names(hooks, key):
return {type(hook).__name__ for hook in hooks[key]}
def test_default_registrations():
hooks = plugin.HOOK_REGISTRY.group_by_directive()
txn_hook_names = hook_names(hooks, 'Transaction')
assert len(txn_hook_names) >= 2
assert 'MetaExpenseAllocation' in txn_hook_names
assert 'MetaTaxImplication' in txn_hook_names
def test_exclude_single():
hooks = plugin.HOOK_REGISTRY.group_by_directive('-expense-allocation')
txn_hook_names = hook_names(hooks, 'Transaction')
assert txn_hook_names
assert 'MetaExpenseAllocation' not in txn_hook_names
def test_exclude_group_then_include_single():
hooks = plugin.HOOK_REGISTRY.group_by_directive('-metadata expense-allocation')
txn_hook_names = hook_names(hooks, 'Transaction')
assert 'MetaExpenseAllocation' in txn_hook_names
assert 'MetaTaxImplication' not in txn_hook_names
def test_include_group_then_exclude_single():
hooks = plugin.HOOK_REGISTRY.group_by_directive('metadata -tax-implication')
txn_hook_names = hook_names(hooks, 'Transaction')
assert 'MetaExpenseAllocation' in txn_hook_names
assert 'MetaTaxImplication' not in txn_hook_names
def test_unknown_group_name():
with pytest.raises(ValueError):
plugin.HOOK_REGISTRY.group_by_directive('UnKnownTestGroup')