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accruals: AccrualPostings only reports inconsistent cost per currency.
Of course if an accrual has multiple currencies, it'll probably have
different costs, and that's fine.
Of course if an accrual has multiple currencies, it'll probably have
different costs, and that's fine.
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# 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 collections
import datetime
import itertools
from decimal import Decimal
import pytest
from . import testutil
from conservancy_beancount import data
from conservancy_beancount.reports import core
def accruals_and_payments(acct, src_acct, dst_acct, start_date, *amounts):
dates = testutil.date_seq(start_date)
for amt, currency in amounts:
post_meta = {'metanumber': amt, 'metacurrency': currency}
yield testutil.Transaction(date=next(dates), postings=[
(acct, amt, currency, post_meta),
(dst_acct if amt < 0 else src_acct, -amt, currency, post_meta),
])
@pytest.fixture
def credit_card_cycle():
return list(accruals_and_payments(
'Liabilities:CreditCard',
'Assets:Checking',
'Expenses:Other',
datetime.date(2020, 4, 1),
(-110, 'USD'),
(110, 'USD'),
(-120, 'USD'),
(120, 'USD'),
))
@pytest.fixture
def two_accruals_three_payments():
return list(accruals_and_payments(
'Assets:Receivable:Accounts',
'Income:Donations',
'Assets:Checking',
datetime.date(2020, 4, 10),
(440, 'USD'),
(-230, 'USD'),
(550, 'EUR'),
(-210, 'USD'),
(-550, 'EUR'),
))
def test_initialize_with_list(credit_card_cycle):
related = core.RelatedPostings(credit_card_cycle[0].postings)
assert len(related) == 2
def test_initialize_with_iterable(two_accruals_three_payments):
related = core.RelatedPostings(
post for txn in two_accruals_three_payments
for post in txn.postings
if post.account == 'Assets:Receivable:Accounts'
)
assert len(related) == 5
def test_balance_empty():
balance = core.RelatedPostings().balance()
assert not balance
assert balance.is_zero()
@pytest.mark.parametrize('index,expected', enumerate([
-110,
0,
-120,
0,
]))
def test_balance_credit_card(credit_card_cycle, index, expected):
related = core.RelatedPostings(
txn.postings[0] for txn in credit_card_cycle[:index + 1]
)
assert related.balance() == {'USD': testutil.Amount(expected, 'USD')}
def check_iter_with_balance(entries):
expect_posts = [txn.postings[0] for txn in entries]
expect_balances = []
balance_tally = collections.defaultdict(Decimal)
for post in expect_posts:
number, currency = post.units
balance_tally[currency] += number
expect_balances.append({code: testutil.Amount(number, code)
for code, number in balance_tally.items()})
related = core.RelatedPostings(expect_posts)
for (post, balance), exp_post, exp_balance in zip(
related.iter_with_balance(),
expect_posts,
expect_balances,
):
assert post is exp_post
assert balance == exp_balance
assert post is expect_posts[-1]
assert related.balance() == expect_balances[-1]
def test_iter_with_balance_empty():
assert not list(core.RelatedPostings().iter_with_balance())
def test_iter_with_balance_credit_card(credit_card_cycle):
check_iter_with_balance(credit_card_cycle)
def test_iter_with_balance_two_acccruals(two_accruals_three_payments):
check_iter_with_balance(two_accruals_three_payments)
def test_balance_at_cost_mixed():
txn = testutil.Transaction(postings=[
('Expenses:Other', '22'),
('Expenses:Other', '30', 'EUR', ('1.1',)),
('Expenses:Other', '40', 'EUR'),
('Expenses:Other', '50', 'USD', ('1.1', 'EUR')),
])
related = core.RelatedPostings(data.Posting.from_txn(txn))
balance = related.balance_at_cost()
amounts = set(balance.values())
assert amounts == {testutil.Amount(55, 'USD'), testutil.Amount(95, 'EUR')}
def test_balance_at_single_currency_cost():
txn = testutil.Transaction(postings=[
('Expenses:Other', '22'),
('Expenses:Other', '30', 'EUR', ('1.1',)),
('Expenses:Other', '40', 'GBP', ('1.1',)),
])
related = core.RelatedPostings(data.Posting.from_txn(txn))
balance = related.balance_at_cost()
amounts = set(balance.values())
assert amounts == {testutil.Amount(99)}
def test_balance_at_cost_zeroed_out():
txn = testutil.Transaction(postings=[
('Income:Other', '-22'),
('Assets:Receivable:Accounts', '20', 'EUR', ('1.1',)),
])
related = core.RelatedPostings(data.Posting.from_txn(txn))
balance = related.balance_at_cost()
assert balance.is_zero()
def test_balance_at_cost_singleton():
txn = testutil.Transaction(postings=[
('Assets:Receivable:Accounts', '20', 'EUR', ('1.1',)),
])
related = core.RelatedPostings(data.Posting.from_txn(txn))
balance = related.balance_at_cost()
amounts = set(balance.values())
assert amounts == {testutil.Amount(22)}
def test_balance_at_cost_singleton_without_cost():
txn = testutil.Transaction(postings=[
('Assets:Receivable:Accounts', '20'),
])
related = core.RelatedPostings(data.Posting.from_txn(txn))
balance = related.balance_at_cost()
amounts = set(balance.values())
assert amounts == {testutil.Amount(20)}
def test_balance_at_cost_empty():
related = core.RelatedPostings()
balance = related.balance_at_cost()
assert balance.is_zero()
def test_meta_values_empty():
related = core.RelatedPostings()
assert related.meta_values('key') == set()
def test_meta_values_no_match():
related = core.RelatedPostings([
testutil.Posting('Income:Donations', -1, metakey='metavalue'),
])
assert related.meta_values('key') == {None}
def test_meta_values_no_match_default_given():
related = core.RelatedPostings([
testutil.Posting('Income:Donations', -1, metakey='metavalue'),
])
assert related.meta_values('key', '') == {''}
def test_meta_values_one_match():
related = core.RelatedPostings([
testutil.Posting('Income:Donations', -1, key='metavalue'),
])
assert related.meta_values('key') == {'metavalue'}
def test_meta_values_some_match():
related = core.RelatedPostings([
testutil.Posting('Income:Donations', -1, key='1'),
testutil.Posting('Income:Donations', -2, metakey='2'),
])
assert related.meta_values('key') == {'1', None}
def test_meta_values_some_match_default_given():
related = core.RelatedPostings([
testutil.Posting('Income:Donations', -1, key='1'),
testutil.Posting('Income:Donations', -2, metakey='2'),
])
assert related.meta_values('key', '') == {'1', ''}
def test_meta_values_all_match():
related = core.RelatedPostings([
testutil.Posting('Income:Donations', -1, key='1'),
testutil.Posting('Income:Donations', -2, key='2'),
])
assert related.meta_values('key') == {'1', '2'}
def test_meta_values_all_match_one_value():
related = core.RelatedPostings([
testutil.Posting('Income:Donations', -1, key='1'),
testutil.Posting('Income:Donations', -2, key='1'),
])
assert related.meta_values('key') == {'1'}
def test_meta_values_all_match_default_given():
related = core.RelatedPostings([
testutil.Posting('Income:Donations', -1, key='1'),
testutil.Posting('Income:Donations', -2, key='2'),
])
assert related.meta_values('key', '') == {'1', '2'}
def test_meta_values_many_types():
expected = {
datetime.date(2020, 4, 1),
Decimal(42),
testutil.Amount(5),
'rt:42',
}
related = core.RelatedPostings(
testutil.Posting('Income:Donations', -index, key=value)
for index, value in enumerate(expected)
)
assert related.meta_values('key') == expected
@pytest.mark.parametrize('count', range(3))
def test_all_meta_links_zero(count):
postings = (
testutil.Posting('Income:Donations', -n, testkey=str(n))
for n in range(count)
)
related = core.RelatedPostings(
post._replace(meta=data.Metadata(post.meta))
for post in postings
)
assert related.all_meta_links('approval') == set()
def test_all_meta_links_singletons():
postings = (
testutil.Posting('Income:Donations', -10, statement=value)
for value in itertools.chain(
testutil.NON_LINK_METADATA_STRINGS,
testutil.LINK_METADATA_STRINGS,
testutil.NON_STRING_METADATA_VALUES,
))
related = core.RelatedPostings(
post._replace(meta=data.Metadata(post.meta))
for post in postings
)
assert related.all_meta_links('statement') == testutil.LINK_METADATA_STRINGS
def test_all_meta_links_multiples():
postings = (
testutil.Posting('Income:Donations', -10, approval=' '.join(value))
for value in itertools.permutations(testutil.LINK_METADATA_STRINGS, 2)
)
related = core.RelatedPostings(
post._replace(meta=data.Metadata(post.meta))
for post in postings
)
assert related.all_meta_links('approval') == testutil.LINK_METADATA_STRINGS
def test_group_by_meta_zero():
assert not list(core.RelatedPostings.group_by_meta([], 'metacurrency'))
def test_group_by_meta_one(credit_card_cycle):
posting = next(post for post in data.Posting.from_entries(credit_card_cycle)
if post.account.is_credit_card())
actual = core.RelatedPostings.group_by_meta([posting], 'metacurrency')
assert set(key for key, _ in actual) == {'USD'}
def test_group_by_meta_many(two_accruals_three_payments):
postings = [post for post in data.Posting.from_entries(two_accruals_three_payments)
if post.account == 'Assets:Receivable:Accounts']
actual = dict(core.RelatedPostings.group_by_meta(postings, 'metacurrency'))
assert set(actual) == {'USD', 'EUR'}
for key, group in actual.items():
assert 2 <= len(group) <= 3
assert group.balance().is_zero()
def test_group_by_meta_many_single_posts(two_accruals_three_payments):
postings = [post for post in data.Posting.from_entries(two_accruals_three_payments)
if post.account == 'Assets:Receivable:Accounts']
actual = dict(core.RelatedPostings.group_by_meta(postings, 'metanumber'))
assert set(actual) == {post.units.number for post in postings}
assert len(actual) == len(postings)
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