meta_paypal_id: Start validator. RT#10260.
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Brett Smith
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3 changed files with 242 additions and 0 deletions
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@ -51,6 +51,7 @@ class HookRegistry:
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'.meta_expense_allocation': None,
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'.meta_income_type': None,
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'.meta_invoice': None,
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'.meta_paypal_id': ['MetaPayPalID'],
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'.meta_project': None,
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'.meta_receipt': None,
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'.meta_receivable_documentation': None,
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52
conservancy_beancount/plugin/meta_paypal_id.py
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52
conservancy_beancount/plugin/meta_paypal_id.py
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@ -0,0 +1,52 @@
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"""meta_paypal_id - Validate paypal-id metadata"""
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# Copyright © 2020 Brett Smith
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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import re
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from . import core
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from .. import data
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from .. import errors as errormod
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from ..beancount_types import (
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Transaction,
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)
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class MetaPayPalID(core._PostingHook):
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METADATA_KEY = 'paypal-id'
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HOOK_GROUPS = frozenset(['metadata', METADATA_KEY])
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TXN_ID_RE = re.compile(r'^[A-Z0-9]{17}$')
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INVOICE_ID_RE = re.compile(r'^INV2(?:-[A-Z0-9]{4}){4}$')
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def _run_on_post(self, txn: Transaction, post: data.Posting) -> bool:
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if post.account.is_under('Assets:PayPal'):
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return True
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elif post.account.is_under('Assets:Receivable'):
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return self.METADATA_KEY in post.meta
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else:
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return False
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def post_run(self, txn: Transaction, post: data.Posting) -> errormod.Iter:
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if post.account.is_under('Assets:Receivable'):
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regexp = self.INVOICE_ID_RE
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else:
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regexp = self.TXN_ID_RE
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value = post.meta.get(self.METADATA_KEY)
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try:
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# A bad argument type is okay because we catch the TypeError.
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match = regexp.match(value) # type:ignore[arg-type]
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except TypeError:
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match = None
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if match is None:
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yield errormod.InvalidMetadataError(txn, self.METADATA_KEY, value, post)
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189
tests/test_meta_paypal_id.py
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189
tests/test_meta_paypal_id.py
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@ -0,0 +1,189 @@
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"""Test validation of paypal-id metadata"""
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# Copyright © 2020 Brett Smith
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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import itertools
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import pytest
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from . import testutil
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from conservancy_beancount.plugin import meta_paypal_id
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VALID_TXN_IDS = {
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# Basically normal ids.
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'A1234567890BCDEFG',
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'12345HIJKLNMO6780',
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# All numeric
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'05678901234567890',
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# All alphabetic
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'CDEFHSNOECRUHOECR',
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}
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VALID_INVOICE_IDS = {
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'INV2-ABCD-1234-EFGH-6789',
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# All numeric
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'INV2-1010-2020-3030-4567',
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# All alphabetic
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'INV2-ABCD-EFGH-IJKL-MNOP',
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}
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VALID_VALUES = VALID_TXN_IDS | VALID_INVOICE_IDS
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INVALID_VALUES = {
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# Empty
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'',
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' ',
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# Punctuation and whitespace
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'Z12345-67890QRSTU',
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'Y12345.67890QRSTU',
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'X12345_67890QRSTU',
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'W12345 67890QRSTU',
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'INV2-ABCD.1234-EFGH-7890',
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'INV2-ABCD-1234_EFGH-7890',
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'INV2-ABCD-1234-EFGH 7890',
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# Too short
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'Q1234567890RSTUV',
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'INV2-ABCD-1234-EFGH-789',
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# Too long
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'V123456789012345WX',
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'INV2-ABCD-1234-EFGH-78900',
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'INV2-ABCD-1234-EFGH-7890-IJKL',
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# Bad cadence
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'INV2-ABCD-1234-EFG-H7890',
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'INV2ABCD-123-EFG-456-789',
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'INV2ABCDEFGHIJKLMNOPQRST',
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}
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ACCOUNTS = itertools.cycle([
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'Assets:PayPal',
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'Assets:Receivable:Accounts',
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])
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TEST_KEY = 'paypal-id'
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INVALID_MSG = f"{{}} has invalid {TEST_KEY}: {{}}".format
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BAD_TYPE_MSG = f"{{}} has wrong type of {TEST_KEY}: expected str but is a {{}}".format
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@pytest.fixture(scope='module')
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def hook():
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config = testutil.TestConfig()
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return meta_paypal_id.MetaPayPalID(config)
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def paypal_account_for_id(paypal_id):
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if paypal_id.startswith('INV'):
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return 'Assets:Receivable:Accounts'
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else:
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return 'Assets:PayPal'
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@pytest.mark.parametrize('src_value', VALID_VALUES)
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def test_valid_values_on_postings(hook, src_value):
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txn = testutil.Transaction(postings=[
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('Income:Donations', -25),
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(paypal_account_for_id(src_value), 25, {TEST_KEY: src_value}),
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])
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assert not list(hook.run(txn))
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@pytest.mark.parametrize('src_value', INVALID_VALUES)
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def test_invalid_values_on_postings(hook, src_value):
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acct = paypal_account_for_id(src_value)
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txn = testutil.Transaction(postings=[
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('Income:Donations', -25),
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(acct, 25, {TEST_KEY: src_value}),
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])
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actual = {error.message for error in hook.run(txn)}
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assert actual == {INVALID_MSG(acct, src_value)}
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@pytest.mark.parametrize('src_value,acct', testutil.combine_values(
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testutil.NON_STRING_METADATA_VALUES,
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ACCOUNTS,
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))
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def test_bad_type_values_on_postings(hook, src_value, acct):
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txn = testutil.Transaction(postings=[
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('Income:Donations', -25),
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(acct, 25, {TEST_KEY: src_value}),
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])
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actual = {error.message for error in hook.run(txn)}
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assert actual == {BAD_TYPE_MSG(acct, type(src_value).__name__)}
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@pytest.mark.parametrize('src_value', VALID_VALUES)
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def test_valid_values_on_transactions(hook, src_value):
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txn = testutil.Transaction(**{TEST_KEY: src_value}, postings=[
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('Income:Donations', -25),
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(paypal_account_for_id(src_value), 25),
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])
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assert not list(hook.run(txn))
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@pytest.mark.parametrize('src_value', INVALID_VALUES)
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def test_invalid_values_on_transactions(hook, src_value):
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acct = paypal_account_for_id(src_value)
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txn = testutil.Transaction(**{TEST_KEY: src_value}, postings=[
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('Income:Donations', -25),
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(acct, 25),
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])
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actual = {error.message for error in hook.run(txn)}
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assert actual == {INVALID_MSG(acct, src_value)}
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@pytest.mark.parametrize('src_value,acct', testutil.combine_values(
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testutil.NON_STRING_METADATA_VALUES,
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ACCOUNTS,
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))
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def test_bad_type_values_on_transactions(hook, src_value, acct):
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txn = testutil.Transaction(**{TEST_KEY: src_value}, postings=[
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('Income:Donations', -25),
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(acct, 25),
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])
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actual = {error.message for error in hook.run(txn)}
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assert actual == {BAD_TYPE_MSG(acct, type(src_value).__name__)}
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@pytest.mark.parametrize('src_value', VALID_INVOICE_IDS)
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def test_invoice_ids_not_accepted_for_non_accruals(hook, src_value):
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acct = 'Assets:PayPal'
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txn = testutil.Transaction(**{TEST_KEY: src_value}, postings=[
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('Income:Donations', -25),
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(acct, 25),
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])
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actual = {error.message for error in hook.run(txn)}
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assert actual == {INVALID_MSG(acct, src_value)}
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@pytest.mark.parametrize('src_value', VALID_TXN_IDS)
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def test_transaction_ids_not_accepted_for_accruals(hook, src_value):
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acct = 'Assets:Receivable:Accounts'
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txn = testutil.Transaction(**{TEST_KEY: src_value}, postings=[
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('Income:Donations', -25),
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(acct, 25),
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])
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actual = {error.message for error in hook.run(txn)}
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assert actual == {INVALID_MSG(acct, src_value)}
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def test_required_for_assets_paypal(hook):
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acct = 'Assets:PayPal'
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txn = testutil.Transaction(postings=[
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('Income:Donations', -35),
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(acct, 35),
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])
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actual = {error.message for error in hook.run(txn)}
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assert actual == {f"{acct} missing {TEST_KEY}"}
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@pytest.mark.parametrize('txn_id,inv_id', testutil.combine_values(
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VALID_TXN_IDS,
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VALID_INVOICE_IDS,
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))
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def test_invoice_payment_transaction_ok(hook, txn_id, inv_id):
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txn = testutil.Transaction(**{TEST_KEY: txn_id}, postings=[
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('Assets:Receivable:Accounts', -100, {TEST_KEY: inv_id}),
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('Assets:PayPal', 97),
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('Expenses:BankingFees', 3),
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])
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assert not list(hook.run(txn))
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