145 lines
4.7 KiB
Python
145 lines
4.7 KiB
Python
"""test_reports_balance - Unit tests for reports.core.Balance"""
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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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from decimal import Decimal
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import pytest
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from . import testutil
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from conservancy_beancount.reports import core
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def test_empty_balance():
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balance = core.Balance()
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assert not balance
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assert len(balance) == 0
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assert balance.is_zero()
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with pytest.raises(KeyError):
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balance['USD']
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@pytest.mark.parametrize('currencies', [
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'USD',
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'EUR GBP',
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'JPY INR BRL',
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])
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def test_zero_balance(currencies):
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keys = currencies.split()
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balance = core.Balance(testutil.balance_map((key, 0) for key in keys))
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assert balance
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assert len(balance) == len(keys)
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assert balance.is_zero()
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assert all(balance[key].number == 0 for key in keys)
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assert all(balance[key].currency == key for key in keys)
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@pytest.mark.parametrize('currencies', [
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'USD',
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'EUR GBP',
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'JPY INR BRL',
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])
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def test_nonzero_balance(currencies):
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amounts = testutil.balance_map(zip(currencies.split(), itertools.count(110, 100)))
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balance = core.Balance(amounts.items())
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assert balance
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assert len(balance) == len(amounts)
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assert not balance.is_zero()
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assert all(balance[key] == amt for key, amt in amounts.items())
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def test_mixed_balance():
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amounts = testutil.balance_map(USD=0, EUR=120)
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balance = core.Balance(amounts.items())
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assert balance
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assert len(balance) == 2
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assert not balance.is_zero()
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assert all(balance[key] == amt for key, amt in amounts.items())
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@pytest.mark.parametrize('balance_map_kwargs,expected', [
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({}, True),
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({'USD': 0}, True),
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({'USD': 0, 'EUR': 0}, True),
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({'USD': -10, 'EUR': 0}, False),
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({'EUR': -10}, False),
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({'USD': -10, 'EUR': -20}, False),
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({'USD': 10, 'EUR': -20}, False),
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({'JPY': 10}, False),
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({'JPY': 10, 'BRL': 0}, False),
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({'JPY': 10, 'BRL': 20}, False),
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])
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def test_eq_zero(balance_map_kwargs, expected):
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amounts = testutil.balance_map(**balance_map_kwargs)
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balance = core.Balance(amounts.items())
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assert balance.eq_zero() == expected
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assert balance.is_zero() == expected
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@pytest.mark.parametrize('balance_map_kwargs,expected', [
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({}, True),
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({'USD': 0}, True),
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({'USD': 0, 'EUR': 0}, True),
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({'EUR': -10}, False),
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({'USD': 10, 'EUR': -20}, False),
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({'USD': -10, 'EUR': -20}, False),
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({'JPY': 10}, True),
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({'JPY': 10, 'BRL': 0}, True),
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({'JPY': 10, 'BRL': 20}, True),
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])
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def test_ge_zero(balance_map_kwargs, expected):
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amounts = testutil.balance_map(**balance_map_kwargs)
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balance = core.Balance(amounts.items())
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assert balance.ge_zero() == expected
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@pytest.mark.parametrize('balance_map_kwargs,expected', [
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({}, True),
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({'USD': 0}, True),
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({'USD': 0, 'EUR': 0}, True),
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({'EUR': -10}, True),
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({'USD': 10, 'EUR': -20}, False),
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({'USD': -10, 'EUR': -20}, True),
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({'JPY': 10}, False),
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({'JPY': 10, 'BRL': 0}, False),
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({'JPY': 10, 'BRL': 20}, False),
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])
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def test_le_zero(balance_map_kwargs, expected):
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amounts = testutil.balance_map(**balance_map_kwargs)
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balance = core.Balance(amounts.items())
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assert balance.le_zero() == expected
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@pytest.mark.parametrize('balance_map_kwargs', [
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{},
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{'USD': 0},
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{'EUR': 10},
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{'JPY': 20, 'BRL': 30},
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{'EUR': -15},
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{'JPY': -25, 'BRL': -35},
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{'JPY': 40, 'USD': 0, 'EUR': -50},
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])
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def test_neg(balance_map_kwargs):
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amounts = testutil.balance_map(**balance_map_kwargs)
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actual = -core.Balance(amounts.items())
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assert set(actual) == set(balance_map_kwargs)
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for key in balance_map_kwargs:
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assert actual[key] == -amounts[key]
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@pytest.mark.parametrize('balance_map_kwargs,expected', [
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({}, "Zero balance"),
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({'JPY': 0, 'BRL': 0}, "Zero balance"),
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({'USD': '20.00'}, "20.00 USD"),
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({'EUR': '50.00', 'GBP': '80.00'}, "80.00 GBP, 50.00 EUR"),
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({'JPY': '-55.00', 'BRL': '-85.00'}, "-85.00 BRL, -55.00 JPY"),
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])
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def test_str(balance_map_kwargs, expected):
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amounts = testutil.balance_map(**balance_map_kwargs)
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assert str(core.Balance(amounts.items())) == expected
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