82 lines
2.9 KiB
Python
82 lines
2.9 KiB
Python
"""Test data.balance_of function"""
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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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from decimal import Decimal
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from operator import methodcaller
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import pytest
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from . import testutil
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from conservancy_beancount import data
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is_cash_eq = data.Account.is_cash_equivalent
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USD = testutil.Amount
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@pytest.fixture
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def payable_payment_txn():
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return testutil.Transaction(postings=[
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('Liabilities:Payable:Accounts', 50),
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('Assets:Checking', -50),
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('Expenses:BankingFees', 5),
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('Assets:Checking', -5),
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])
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@pytest.fixture
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def fx_donation_txn():
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return testutil.Transaction(postings=[
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('Income:Donations', -500, 'EUR', ('.9', 'USD')),
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('Assets:Checking', 445),
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('Expenses:BankingFees', 5),
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])
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def balance_under(txn, *accts):
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pred = methodcaller('is_under', *accts)
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return data.balance_of(txn, pred)
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def test_balance_of_simple_txn():
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txn = testutil.Transaction(postings=[
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('Assets:Cash', 50),
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('Income:Donations', -50),
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])
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assert balance_under(txn, 'Assets') == USD(50)
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assert balance_under(txn, 'Income') == USD(-50)
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def test_zero_balance_of(payable_payment_txn):
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expected = testutil.Amount(0, '')
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assert balance_under(payable_payment_txn, 'Equity') == expected
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assert balance_under(payable_payment_txn, 'Assets:Cash') == expected
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assert balance_under(payable_payment_txn, 'Liabilities:CreditCard') == expected
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def test_nonzero_balance_of(payable_payment_txn):
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assert balance_under(payable_payment_txn, 'Assets', 'Expenses') == USD(-50)
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assert balance_under(payable_payment_txn, 'Assets', 'Liabilities') == USD(-5)
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def test_multiarg_balance_of():
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txn = testutil.Transaction(postings=[
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('Liabilities:CreditCard', 650),
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('Expenses:BankingFees', 5),
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('Assets:Checking', -655),
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])
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assert data.balance_of(txn, is_cash_eq, data.Account.is_credit_card) == USD(-5)
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def test_balance_of_multipost_txn(payable_payment_txn):
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assert data.balance_of(payable_payment_txn, is_cash_eq) == USD(-55)
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def test_balance_of_multicurrency_txn(fx_donation_txn):
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assert balance_under(fx_donation_txn, 'Income') == USD(-450)
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assert balance_under(fx_donation_txn, 'Income', 'Assets') == USD(-5)
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assert balance_under(fx_donation_txn, 'Income', 'Expenses') == USD(-445)
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