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# This file is part of Tryton. The COPYRIGHT file at the top level of
# this repository contains the full copyright notices and license terms.
import datetime
import unittest
from decimal import ROUND_HALF_DOWN, Decimal
from trytond import backend
#from trytond.modules.currency.ecb import (
# RatesNotAvailableError, UnsupportedCurrencyError, get_rates)
from trytond.pool import Pool
from trytond.tests.test_tryton import ModuleTestCase, with_transaction
from trytond.transaction import Transaction
def create_currency(name):
pool = Pool()
Currency = pool.get('currency.currency')
return Currency.create([{
'name': name,
'symbol': name,
'code': name,
}])[0]
def add_currency_rate(currency, rate, date=datetime.date.min):
pool = Pool()
Rate = pool.get('currency.currency.rate')
return Rate.create([{
'currency': currency.id,
'rate': rate,
'date': date,
}])[0]
class CurrencyTestCase(ModuleTestCase):
'Test Currency module'
module = 'currency'
def get_currency(self, code):
return self.currency.search([
('code', '=', code),
], limit=1)[0]
@with_transaction()
def test_currencies(self):
'Create currencies'
cu1 = create_currency('cu1')
cu2 = create_currency('cu2')
self.assertTrue(cu1)
self.assertTrue(cu2)
@with_transaction()
def test_rate(self):
'Create rates'
cu1 = create_currency('cu1')
cu2 = create_currency('cu2')
rate1 = add_currency_rate(cu1, Decimal("1.3"))
rate2 = add_currency_rate(cu2, Decimal("1"))
self.assertTrue(rate1)
self.assertTrue(rate2)
self.assertEqual(cu1.rate, Decimal("1.3"))
@with_transaction()
def test_rate_unicity(self):
'Rate unicity'
pool = Pool()
Rate = pool.get('currency.currency.rate')
Date = pool.get('ir.date')
today = Date.today()
cu = create_currency('cu')
Rate.create([{
'rate': Decimal("1.3"),
'currency': cu.id,
'date': today,
}])
self.assertRaises(Exception, Rate.create, {
'rate': Decimal("1.3"),
'currency': cu.id,
'date': today,
})
@with_transaction()
def test_round(self):
"Test simple round"
cu = create_currency('cu')
cu.rounding = Decimal('0.001')
cu.digits = 3
cu.save()
rounded = cu.round(Decimal('1.2345678'))
self.assertEqual(rounded, Decimal('1.235'))
@with_transaction()
def test_round_non_unity(self):
"Test round with non unity"
cu = create_currency('cu')
cu.rounding = Decimal('0.02')
cu.digits = 2
cu.save()
rounded = cu.round(Decimal('1.2345'))
self.assertEqual(rounded, Decimal('1.24'))
@with_transaction()
def test_round_big_number(self):
"Test rounding big number"
cu = create_currency('cu')
rounded = cu.round(Decimal('1E50'))
self.assertEqual(rounded, Decimal('1E50'))
@with_transaction()
def test_round_negative(self):
"Test rounding with negative rounding"
cu = create_currency('cu')
cu.rounding = -Decimal('0.1')
cu.digits = 1
cu.save()
rounded = cu.round(Decimal('1.23'))
self.assertEqual(rounded, Decimal('1.2'))
@with_transaction()
def test_round_zero(self):
"Test rounding with 0 as rounding"
cu = create_currency('cu')
cu.rounding = Decimal('0')
cu.save()
rounded = cu.round(Decimal('1.2345'))
self.assertEqual(rounded, Decimal('1.2345'))
@with_transaction()
def test_round_opposite(self):
"Test the opposite rounding"
cu = create_currency('cu')
cu.save()
rounded = cu.round(Decimal('1.235'))
self.assertEqual(rounded, Decimal('1.24'))
opposite_rounded = cu.round(Decimal('1.235'), opposite=True)
self.assertEqual(opposite_rounded, Decimal('1.24'))
@with_transaction()
def test_round_opposite_HALF_DOWN(self):
"Test the oposite rounding of ROUND_HALF_DOWN"
cu = create_currency('cu')
cu.save()
rounded = cu.round(Decimal('1.235'), rounding=ROUND_HALF_DOWN)
self.assertEqual(rounded, Decimal('1.23'))
opposite_rounded = cu.round(
Decimal('1.235'), rounding=ROUND_HALF_DOWN, opposite=True)
self.assertEqual(opposite_rounded, Decimal('1.24'))
@with_transaction()
def test_is_zero(self):
"Test is zero"
cu = create_currency('cu')
cu.rounding = Decimal('0.001')
cu.digits = 3
cu.save()
for value, result in [
(Decimal('0'), True),
(Decimal('0.0002'), True),
(Decimal('0.0009'), False),
(Decimal('0.002'), False),
]:
with self.subTest(value=value):
self.assertEqual(cu.is_zero(value), result)
with self.subTest(value=-value):
self.assertEqual(cu.is_zero(-value), result)
@with_transaction()
def test_is_zero_negative(self):
"Test is zero with negative rounding"
cu = create_currency('cu')
cu.rounding = Decimal('-0.001')
cu.digits = 3
cu.save()
for value, result in [
(Decimal('0'), True),
(Decimal('0.0002'), True),
(Decimal('0.0009'), False),
(Decimal('0.002'), False),
]:
with self.subTest(value=value):
self.assertEqual(cu.is_zero(value), result)
with self.subTest(value=-value):
self.assertEqual(cu.is_zero(-value), result)
@with_transaction()
def test_is_zero_zero(self):
"Test is zero with 0 as rounding"
cu = create_currency('cu')
cu.rounding = Decimal('0')
cu.save()
for value, result in [
(Decimal('0'), True),
(Decimal('0.0002'), False),
(Decimal('0.0009'), False),
(Decimal('0.002'), False),
]:
with self.subTest(value=value):
self.assertEqual(cu.is_zero(value), result)
with self.subTest(value=-value):
self.assertEqual(cu.is_zero(-value), result)
@with_transaction()
def test_compute_simple(self):
'Simple conversion'
pool = Pool()
Currency = pool.get('currency.currency')
cu1 = create_currency('cu1')
cu2 = create_currency('cu2')
add_currency_rate(cu1, Decimal("1.3"))
add_currency_rate(cu2, Decimal("1"))
amount = Decimal("10")
expected = Decimal("13")
converted_amount = Currency.compute(
cu2, amount, cu1, True)
self.assertEqual(converted_amount, expected)
@with_transaction()
def test_compute_nonfinite(self):
'Conversion with rounding on non-finite decimal representation'
pool = Pool()
Currency = pool.get('currency.currency')
cu1 = create_currency('cu1')
cu2 = create_currency('cu2')
add_currency_rate(cu1, Decimal("1.3"))
add_currency_rate(cu2, Decimal("1"))
amount = Decimal("10")
expected = Decimal("7.69")
converted_amount = Currency.compute(
cu1, amount, cu2, True)
self.assertEqual(converted_amount, expected)
@with_transaction()
def test_compute_nonfinite_worounding(self):
'Same without rounding'
pool = Pool()
Currency = pool.get('currency.currency')
cu1 = create_currency('cu1')
cu2 = create_currency('cu2')
add_currency_rate(cu1, Decimal("1.3"))
add_currency_rate(cu2, Decimal("1"))
amount = Decimal("10")
expected = Decimal('7.692307692307692307692307692')
converted_amount = Currency.compute(
cu1, amount, cu2, False)
self.assertEqual(converted_amount, expected)
@with_transaction()
def test_compute_same(self):
'Conversion to the same currency'
pool = Pool()
Currency = pool.get('currency.currency')
cu1 = create_currency('cu1')
add_currency_rate(cu1, Decimal("1.3"))
amount = Decimal("10")
converted_amount = Currency.compute(
cu1, amount, cu1, True)
self.assertEqual(converted_amount, amount)
@with_transaction()
def test_compute_zeroamount(self):
'Conversion with zero amount'
pool = Pool()
Currency = pool.get('currency.currency')
cu1 = create_currency('cu1')
cu2 = create_currency('cu2')
add_currency_rate(cu1, Decimal("1.3"))
add_currency_rate(cu2, Decimal("1"))
expected = Decimal("0")
converted_amount = Currency.compute(
cu1, Decimal("0"), cu2, True)
self.assertEqual(converted_amount, expected)
@with_transaction()
def test_compute_zerorate(self):
'Conversion with zero rate'
pool = Pool()
Currency = pool.get('currency.currency')
cu1 = create_currency('cu1')
cu2 = create_currency('cu2')
add_currency_rate(cu1, Decimal('0'))
add_currency_rate(cu2, Decimal('1'))
amount = Decimal("10")
self.assertRaises(Exception, Currency.compute,
cu1, amount, cu2, True)
self.assertRaises(Exception, Currency.compute,
cu2, amount, cu1, True)
@with_transaction()
def test_compute_missingrate(self):
'Conversion with missing rate'
pool = Pool()
Currency = pool.get('currency.currency')
cu1 = create_currency('cu1')
cu3 = create_currency('cu3')
add_currency_rate(cu1, Decimal("1.3"))
amount = Decimal("10")
self.assertRaises(Exception, Currency.compute,
cu3, amount, cu1, True)
self.assertRaises(Exception, Currency.compute,
cu1, amount, cu3, True)
@with_transaction()
def test_compute_bothmissingrate(self):
'Conversion with both missing rate'
pool = Pool()
Currency = pool.get('currency.currency')
cu3 = create_currency('cu3')
cu4 = create_currency('cu4')
amount = Decimal("10")
self.assertRaises(Exception, Currency.compute,
cu3, amount, cu4, True)
@with_transaction()
def test_delete_cascade(self):
'Test deletion of currency deletes rates'
pool = Pool()
Currency = pool.get('currency.currency')
Rate = pool.get('currency.currency.rate')
currencies = [create_currency('cu%s' % i) for i in range(3)]
[add_currency_rate(c, Decimal('1')) for c in currencies]
Currency.delete(currencies)
rates = Rate.search([(
'currency', 'in', list(map(int, currencies)),
)], 0, None, None)
self.assertFalse(rates)
@with_transaction()
def test_currency_rate_sql(self):
"Test currency rate SQL"
pool = Pool()
Currency = pool.get('currency.currency')
Rate = pool.get('currency.currency.rate')
transaction = Transaction()
cursor = transaction.connection.cursor()
date = datetime.date
cu1 = create_currency('cu1')
for date_, rate in [
(date(2017, 1, 1), Decimal(1)),
(date(2017, 2, 1), Decimal(2)),
(date(2017, 3, 1), Decimal(3))]:
add_currency_rate(cu1, rate, date_)
cu2 = create_currency('cu2')
for date_, rate in [
(date(2017, 2, 1), Decimal(2)),
(date(2017, 4, 1), Decimal(4))]:
add_currency_rate(cu2, rate, date_)
query = Currency.currency_rate_sql()
if backend.name == 'sqlite':
query.columns[-1].output_name += (
' [%s]' % Rate.date.sql_type().base)
cursor.execute(*query)
data = set(cursor)
result = {
(cu1.id, Decimal(1), date(2017, 1, 1), date(2017, 2, 1)),
(cu1.id, Decimal(2), date(2017, 2, 1), date(2017, 3, 1)),
(cu1.id, Decimal(3), date(2017, 3, 1), None),
(cu2.id, Decimal(2), date(2017, 2, 1), date(2017, 4, 1)),
(cu2.id, Decimal(4), date(2017, 4, 1), None),
}
self.assertSetEqual(data, result)
#class ECBtestCase(unittest.TestCase):
# def test_rate_EUR_week_ago(self):
# "Fetch EUR rates a week ago"
# week_ago = datetime.date.today() - datetime.timedelta(days=7)
# rates = get_rates('EUR', week_ago)
# self.assertNotIn('EUR', rates)
# self.assertIn('USD', rates)
# def test_rate_USD_week_ago(self):
# "Fetch USD rates a week ago"
# week_ago = datetime.date.today() - datetime.timedelta(days=7)
# rates = get_rates('USD', week_ago)
# self.assertIn('EUR', rates)
# self.assertNotIn('USD', rates)
# def test_rate_EUR_on_weekend(self):
# "Fetch EUR rates on weekend"
# rates_fr = get_rates('EUR', datetime.date(2022, 9, 30))
# rates_sa = get_rates('EUR', datetime.date(2022, 10, 2))
# rates_su = get_rates('EUR', datetime.date(2022, 10, 2))
# self.assertEqual(rates_sa, rates_fr)
# self.assertEqual(rates_su, rates_fr)
# def test_rate_USD_on_weekend(self):
# "Fetch USD rates on weekend"
# rates_fr = get_rates('USD', datetime.date(2022, 9, 30))
# rates_sa = get_rates('USD', datetime.date(2022, 10, 2))
# rates_su = get_rates('USD', datetime.date(2022, 10, 2))
# self.assertEqual(rates_sa, rates_fr)
# self.assertEqual(rates_su, rates_fr)
# def test_rate_EUR_start_date(self):
# "Fetch EUR rates at start date"
# rates = get_rates('EUR', datetime.date(1999, 1, 4))
# self.assertEqual(rates['USD'], Decimal('1.1789'))
# def test_rate_USD_start_date(self):
# "Fetch USD rates at start date"
# rates = get_rates('USD', datetime.date(1999, 1, 4))
# self.assertEqual(rates['EUR'], Decimal('0.8482'))
# def test_rate_in_future(self):
# "Fetch rate in future raise an error"
# future = datetime.date.today() + datetime.timedelta(days=2)
# with self.assertRaises(RatesNotAvailableError):
# get_rates('USD', future)
# def test_rate_unsupported_currency(self):
# "Fetch rate for unsupported currency"
# with self.assertRaises(UnsupportedCurrencyError):
# get_rates('XXX', datetime.date(2022, 10, 3))
del ModuleTestCase
|
