NPO-Accounting/conservancy_beancount Files · tests/test_meta_expenseAllocation.py

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Brett Smith

expenseAllocation: Start checker.

This is the simplest version of a common validation we're going to do:
make sure that a particular piece of metadata has one of a set of
values.

This checker needs some bounds checking but I wanted to err on the
side of committing this early because it introduces so much base
infrastructure.

"""Test handling of expenseAllocation metadata"""
# 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.plugin import meta_expense_allocation

@pytest.mark.parametrize('value,value_ok', [
    ('program', True),
    ('administration', True),
    ('fundraising', True),
    ('invalid', False),
    ('', False),
])
def test_validity_on_postings(value, value_ok):
    txn = testutil.Transaction(postings=[
        ('Assets:Cash', -25),
        ('Expenses:General', 25, {'expenseAllocation': value}),
    ])
    checker = meta_expense_allocation.MetaExpenseAllocation()
    errors = checker.check(txn, txn.postings[-1])
    if value_ok:
        assert not errors
    else:
        assert errors