def test_exchange_currency_raises_for_nonsupported_type():
with pytest.raises(TypeError):
class PseudoMoneyType:
currency = 'USD'
converted_value = exchange_currency(PseudoMoneyType(), 'GBP')
with pytest.raises(AttributeError):
converted_value = exchange_currency('str', 'GBP')
def test_exchange_currency_for_money_range():
value = MoneyRange(Money(10, 'USD'), Money(15, 'USD'))
value_converted = exchange_currency(value, 'GBP')
assert value_converted.currency == 'GBP'
assert value_converted.start == Money(40, currency='GBP')
assert value_converted.stop == Money(60, currency='GBP')
def test_exchange_currency_for_taxed_money():
value = TaxedMoney(Money(10, 'USD'), Money(12, 'USD'))
value_converted = exchange_currency(value, 'GBP')
assert value_converted.currency == 'GBP'
assert value_converted.net == Money(40, currency='GBP')
assert value_converted.gross == Money(48, currency='GBP')
def test_two_base_currencies_convert_price_uses_passed_conversion_rate():
value = Money(10, currency='USD')
custom_rate = Decimal('4.2')
converted_value = exchange_currency(value,
'GBP',
conversion_rate=custom_rate)
assert converted_value == Money(42, 'GBP')
def test_exchange_currency_uses_passed_conversion_rate():
value = Money(10, currency='USD')
custom_rate = Decimal(5)
converted_value = exchange_currency(value,
'GBP',
conversion_rate=custom_rate)
assert converted_value == Money(50, currency='GBP')
def test_exchange_currency_for_money_range_uses_passed_conversion_rate():
value = MoneyRange(Money(10, 'USD'), Money(15, 'USD'))
custom_rate = Decimal(2)
value_converted = exchange_currency(value,
'GBP',
conversion_rate=custom_rate)
assert value_converted.currency == 'GBP'
assert value_converted.start == Money(20, currency='GBP')
assert value_converted.stop == Money(30, currency='GBP')
def test_exchange_currency_for_taxed_money_uses_passed_conversion_rate():
value = TaxedMoney(Money(10, 'USD'), Money(12, 'USD'))
custom_rate = Decimal(2)
value_converted = exchange_currency(value,
'GBP',
conversion_rate=custom_rate)
assert value_converted.currency == 'GBP'
assert value_converted.net == Money(20, currency='GBP')
assert value_converted.gross == Money(24, currency='GBP')
def to_local_currency(price, currency):
if not settings.OPENEXCHANGERATES_API_KEY:
return
if isinstance(price, PriceRange):
from_currency = price.min_price.currency
else:
from_currency = price.currency
if currency != from_currency:
try:
return exchange_currency(price, currency)
except ValueError:
pass
def test_exchange_currency_for_taxed_money_range():
value = TaxedMoneyRange(TaxedMoney(Money(10, 'USD'), Money(12, 'USD')),
TaxedMoney(Money(20, 'USD'), Money(24, 'USD')))
value_converted = exchange_currency(value, 'GBP')
assert value_converted.currency == 'GBP'
assert value_converted.start.currency == 'GBP'
assert value_converted.start.net == Money(40, currency='GBP')
assert value_converted.start.gross == Money(48, currency='GBP')
assert value_converted.stop.currency == 'GBP'
assert value_converted.stop.net == Money(80, currency='GBP')
assert value_converted.stop.gross == Money(96, currency='GBP')
def to_local_currency(price, currency):
if not settings.OPENEXCHANGERATES_API_KEY:
return
if isinstance(price, PriceRange):
from_currency = price.min_price.currency
else:
from_currency = price.currency
if currency != from_currency:
try:
return exchange_currency(price, currency)
except ValueError:
pass
def to_local_currency(price, currency):
"""this function was gotten from core.utils, might not work well"""
if not settings.OPENEXCHANGERATES_API_KEY:
return
if isinstance(price, PriceRange):
from_currency = price.min_price.currency
else:
from_currency = price.currency
if currency != from_currency:
try:
return exchange_currency(price, currency)
except ValueError:
pass
def to_local_currency(price, currency):
if price is None:
return None
if not settings.OPENEXCHANGERATES_API_KEY:
return None
if isinstance(price, MoneyRange):
from_currency = price.start.currency
else:
from_currency = price.currency
if currency != from_currency:
try:
return exchange_currency(price, currency)
except ValueError:
pass
return None
def to_local_currency(price, currency):
if price is None:
return None
if not settings.OPENEXCHANGERATES_API_KEY:
return None
if isinstance(price, MoneyRange):
from_currency = price.start.currency
else:
from_currency = price.currency
if currency != from_currency:
try:
return exchange_currency(price, currency)
except ValueError:
pass
return None
def test_exchange_currency_for_taxed_money_range_uses_passed_conversion_rate():
value = TaxedMoneyRange(TaxedMoney(Money(10, 'USD'), Money(12, 'USD')),
TaxedMoney(Money(20, 'USD'), Money(24, 'USD')))
custom_rate = Decimal(2)
value_converted = exchange_currency(value,
'GBP',
conversion_rate=custom_rate)
assert value_converted.currency == 'GBP'
assert value_converted.start.currency == 'GBP'
assert value_converted.start.net.currency == 'GBP'
assert value_converted.start.net.amount == 20
assert value_converted.start.gross.currency == 'GBP'
assert value_converted.start.gross.amount == 24
assert value_converted.stop.currency == 'GBP'
assert value_converted.stop.net.currency == 'GBP'
assert value_converted.stop.net.amount == 40
assert value_converted.stop.gross.currency == 'GBP'
assert value_converted.stop.gross.amount == 48
def test_two_base_currencies_the_same_currency_uses_no_conversion():
value = Money(10, currency='USD')
converted_value = exchange_currency(value, 'USD')
assert converted_value == value
def test_convert_other_currency_to_base_currency():
value = Money(20, currency='EUR')
converted_value = exchange_currency(value, 'USD')
assert converted_value == Money(10, currency='USD')
def test_convert_two_non_base_currencies():
value = Money(20, currency='EUR')
converted_value = exchange_currency(value, 'GBP')
assert converted_value == Money(40, currency='GBP')
