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Location: NPO-Accounting/oxrlib/tests/test_historical.py
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text/x-python
config: Error out when historical arguments are ambiguous.
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import decimal
import io
import json
import pytest
from . import any_date, relpath
import oxrlib.commands.historical as oxrhist
class FakeResponder:
def __init__(self, response_path):
self.response_path = response_path
def _respond(self, *args, **kwargs):
return open(self.response_path)
def __getattr__(self, name):
return self._respond
def should_cache(self):
return False
class FakeConfig:
def __init__(self, responder, argvars=None):
self.responder = responder
self.args = argparse.Namespace()
if argvars is not None:
for key in argvars:
setattr(self.args, key, argvars[key])
def get_loaders(self):
return self.responder
output = pytest.fixture(lambda: io.StringIO())
@pytest.fixture
def historical1_responder():
return FakeResponder(relpath('historical1.json').as_posix())
def build_config(
responder,
date=None,
amount=None,
from_currency=None,
to_currency=None,
ledger=False,
signed_currencies=None,
denomination=None,
base='USD',
):
return FakeConfig(responder, {
'date': any_date() if date is None else date,
'base': base,
'amount': None if amount is None else decimal.Decimal(amount),
'from_currency': from_currency,
'to_currency': base if to_currency is None else to_currency,
'ledger': ledger,
'signed_currencies': [base] if signed_currencies is None else signed_currencies,
'denomination': denomination,
})
def lines_from_run(config, output):
oxrhist.run(config, output, output)
output.seek(0)
return iter(output)
def test_rate_list(historical1_responder, output):
config = build_config(historical1_responder)
lines = lines_from_run(config, output)
assert next(lines).startswith('1 AED = 0.27229')
assert next(lines) == '1 USD = 3.67246 AED\n'
assert next(lines).startswith('1 ALL = 0.0069189')
assert next(lines) == '1 USD = 144.529793 ALL\n'
assert next(lines).startswith('1 ANG = 0.55865')
assert next(lines) == '1 USD = 1.79 ANG\n'
def test_one_rate(historical1_responder, output):
config = build_config(historical1_responder, from_currency='ANG')
lines = lines_from_run(config, output)
assert next(lines).startswith('1 ANG = 0.55865')
assert next(lines) == '1 USD = 1.79 ANG\n'
assert next(lines, None) is None
def test_conversion(historical1_responder, output):
config = build_config(historical1_responder, amount=10, from_currency='AED')
lines = lines_from_run(config, output)
assert next(lines) == '10.00 AED = 2.72 USD\n'
assert next(lines, None) is None
def test_back_conversion(historical1_responder, output):
config = build_config(historical1_responder,
amount=2, from_currency='USD', to_currency='ALL')
lines = lines_from_run(config, output)
assert next(lines) == '2.00 USD = 289 ALL\n'
assert next(lines, None) is None
def test_ledger_rate(historical1_responder, output):
config = build_config(historical1_responder, from_currency='ANG', ledger=True)
lines = lines_from_run(config, output)
assert next(lines) == '1 ANG {=$0.55866} @ $0.55866\n'
assert next(lines) == '1 USD {=1.79 ANG} @ 1.79 ANG\n'
assert next(lines, None) is None
def test_ledger_conversion(historical1_responder, output):
config = build_config(historical1_responder, from_currency='ALL', amount=300, ledger=True)
lines = lines_from_run(config, output)
assert next(lines) == '300 ALL {=$0.006919} @ $0.006919\n'
assert next(lines) == '$2.08\n'
assert next(lines, None) is None
def test_signed_currencies(historical1_responder, output):
config = build_config(historical1_responder, from_currency='AED',
ledger=True, signed_currencies=['EUR'])
lines = lines_from_run(config, output)
assert next(lines) == '1 AED {=0.2723 USD} @ 0.2723 USD\n'
assert next(lines) == '1 USD {=3.67246 AED} @ 3.67246 AED\n'
assert next(lines, None) is None
def test_denomination(historical1_responder, output):
config = build_config(historical1_responder, from_currency='ANG',
to_currency='AED', amount=10,
ledger=True, denomination='USD')
lines = lines_from_run(config, output)
assert next(lines) == '10.00 ANG {=$0.55866} @ $0.55866\n'
assert next(lines) == '20.52 AED {=$0.2723} @ $0.2723\n'
assert next(lines, None) is None
def test_redundant_denomination(historical1_responder, output):
config = build_config(historical1_responder, from_currency='ANG',
to_currency='USD', amount=10,
ledger=True, denomination='USD')
lines = lines_from_run(config, output)
assert next(lines) == '10.00 ANG {=$0.55866} @ $0.55866\n'
assert next(lines) == '$5.59\n'
assert next(lines, None) is None
def test_from_denomination(historical1_responder, output):
config = build_config(historical1_responder, from_currency='USD',
to_currency='ALL', amount=10,
ledger=True, denomination='USD')
lines = lines_from_run(config, output)
assert next(lines) == '$10.00\n'
assert next(lines) == '1,445 ALL {=$0.006919} @ $0.006919\n'
assert next(lines, None) is None
def test_rate_precision_added_as_needed(historical1_responder, output):
config = build_config(historical1_responder, from_currency='RUB',
to_currency='USD', amount=63805,
ledger=True, denomination='USD')
lines = lines_from_run(config, output)
# 63,805 / 57.0763 (the RUB rate) == $1,117.89
# But using the truncated rate: 63,805 * .01752 == $1,117.86
# Make sure the rate is specified with enough precision to get the
# correct conversion amount.
assert next(lines) == '63,805.00 RUB {=$0.0175204} @ $0.0175204\n'
assert next(lines) == '$1,117.89\n'
assert next(lines, None) is None
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