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Location: NPO-Accounting/conservancy_beancount/tests/test_meta_tax_implication.py

bsturmfels
statement_reconciler: Add initial Chase bank CSV statement matching

We currently don't have many examples to work with, so haven't done any
significant testing of the matching accuracy between statement and books.
"""Test handling of tax-implication metadata"""
# Copyright © 2020  Brett Smith
# License: AGPLv3-or-later WITH Beancount-Plugin-Additional-Permission-1.0
#
# Full copyright and licensing details can be found at toplevel file
# LICENSE.txt in the repository.

import pytest

from . import testutil

from conservancy_beancount.plugin import meta_tax_implication

VALID_VALUES = {
    '1099': '1099-NEC',
    '1099-NEC': '1099-NEC',
    '1099nec': '1099-NEC',
    '1099-Misc-Other': '1099-MISC-Other',
    '1099misc-other': '1099-MISC-Other',
    'Bank-Transfer': 'Bank-Transfer',
    'Chargeback': 'Chargeback',
    'Foreign-Corporation': 'Foreign-Corporation',
    'foreign-corp': 'Foreign-Corporation',
    'Foreign-Grantee': 'Foreign-Grantee',
    'Foreign-Individual-Contractor': 'Foreign-Individual-Contractor',
    'Loan': 'Loan',
    'Refund': 'Refund',
    'Reimbursement': 'Reimbursement',
    'Retirement-Pretax': 'Retirement-Pretax',
    'Tax-Payment': 'Tax-Payment',
    'USA-501c3': 'USA-501c3',
    'USA-Corporation': 'USA-Corporation',
    'us-corp': 'USA-Corporation',
    'USA-Grantee': 'USA-Grantee',
    'US-Grantee': 'USA-Grantee',
    'W2': 'W2',
}

INVALID_VALUES = {
    '199',
    'W3',
    'Payrol',
    '',
}

TEST_KEY = 'tax-implication'

@pytest.fixture(scope='module')
def hook():
    config = testutil.TestConfig()
    return meta_tax_implication.MetaTaxImplication(config)

@pytest.mark.parametrize('src_value,set_value', VALID_VALUES.items())
def test_valid_values_on_postings(hook, src_value, set_value):
    txn = testutil.Transaction(postings=[
        ('Liabilities:Payable:Accounts', 25),
        ('Assets:Cash', -25, {TEST_KEY: src_value}),
    ])
    errors = list(hook.run(txn))
    assert not errors
    testutil.check_post_meta(txn, None, {TEST_KEY: set_value})

@pytest.mark.parametrize('src_value', INVALID_VALUES)
def test_invalid_values_on_postings(hook, src_value):
    txn = testutil.Transaction(postings=[
        ('Liabilities:Payable:Accounts', 25),
        ('Assets:Cash', -25, {TEST_KEY: src_value}),
    ])
    errors = list(hook.run(txn))
    assert errors
    testutil.check_post_meta(txn, None, {TEST_KEY: src_value})

@pytest.mark.parametrize('src_value,set_value', VALID_VALUES.items())
def test_valid_values_on_transactions(hook, src_value, set_value):
    txn = testutil.Transaction(**{TEST_KEY: src_value}, postings=[
        ('Liabilities:Payable:Accounts', 25),
        ('Assets:Cash', -25),
    ])
    errors = list(hook.run(txn))
    assert not errors
    testutil.check_post_meta(txn, None, {TEST_KEY: set_value})

@pytest.mark.parametrize('src_value', INVALID_VALUES)
def test_invalid_values_on_transactions(hook, src_value):
    txn = testutil.Transaction(**{TEST_KEY: src_value}, postings=[
        ('Liabilities:Payable:Accounts', 25),
        ('Assets:Cash', -25),
    ])
    errors = list(hook.run(txn))
    assert errors
    testutil.check_post_meta(txn, None, None)

@pytest.mark.parametrize('count,account', enumerate([
    'Assets:Payable:Accounts',
    'Assets:Prepaid:Expenses',
    'Equity:OpeningBalance',
    'Expenses:Other',
    'Income:Other',
    'Liabilities:CreditCard',
    'Liabilities:Payable:Accounts',
    'Liabilities:UnearnedIncome:Donations',
], 1))
def test_non_payment_accounts_skipped(hook, account, count):
    amount = count * 100
    meta = {TEST_KEY: 'USA-Corporation'}
    txn = testutil.Transaction(postings=[
        (account, amount),
        ('Assets:Checking', -amount, meta.copy()),
    ])
    errors = list(hook.run(txn))
    assert not errors
    testutil.check_post_meta(txn, None, meta)

def test_asset_credits_skipped(hook):
    txn = testutil.Transaction(postings=[
        ('Income:Donations', -25),
        ('Assets:Cash', 25),
    ])
    errors = list(hook.run(txn))
    assert not errors
    testutil.check_post_meta(txn, None, None)

@pytest.mark.parametrize('date,need_value', [
    (testutil.EXTREME_FUTURE_DATE, False),
    (testutil.FUTURE_DATE, True),
    (testutil.FY_START_DATE, True),
    (testutil.FY_MID_DATE, True),
    (testutil.PAST_DATE, False),
])
def test_validation_only_in_date_range(hook, date, need_value):
    txn = testutil.Transaction(date=date, postings=[
        ('Liabilites:CreditCard', 25),
        ('Assets:Cash', -25),
    ])
    errors = list(hook.run(txn))
    assert bool(errors) == bool(need_value)
    testutil.check_post_meta(txn, None, None)

@pytest.mark.parametrize('src_value', INVALID_VALUES)
def test_flagged_txn_checked(hook, src_value):
    txn = testutil.Transaction(flag='!', **{TEST_KEY: src_value}, postings=[
        ('Liabilities:Payable:Accounts', 25),
        ('Assets:Cash', -25),
    ])
    assert list(hook.run(txn))

@pytest.mark.parametrize('src_value', testutil.FIXME_VALUES)
def test_flagged_fixme_ok(hook, src_value):
    txn = testutil.Transaction(flag='!', postings=[
        ('Liabilities:Payable:Accounts', 25),
        ('Assets:Cash', -25, {TEST_KEY: src_value}),
    ])
    assert not list(hook.run(txn))
    testutil.check_post_meta(txn, None, {TEST_KEY: src_value})