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# This file is part of TALER
# (C) 2017 Taler Systems SA
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
#
# @author Marcello Stanisci
# @version 0.0
# @repository https://git.taler.net/copylib.git/
# This code is "copylib", it is versioned under the Git repository
# mentioned above, and it is meant to be manually copied into any project
# which might need it.
from __future__ import unicode_literals
from .amount import Amount, BadAmount
from unittest import TestCase
import json
from mock import MagicMock
class TestAmount(TestCase):
def setUp(self):
self.amount = Amount('TESTKUDOS')
def test_parse_and_cmp(self):
a = self.amount.parse('TESTKUDOS:0.0')
self.assertEqual(Amount.cmp(self.amount, a), 0)
b = self.amount.parse('TESTKUDOS:0.1')
self.assertEqual(Amount.cmp(Amount('TESTKUDOS', fraction=10000000), b), 0)
c = self.amount.parse('TESTKUDOS:3.3')
self.assertEqual(Amount.cmp(Amount('TESTKUDOS', 3, 30000000), c), 0)
self.assertEqual(Amount.cmp(a, b), -1)
self.assertEqual(Amount.cmp(c, b), 1)
with self.assertRaises(BadAmount):
Amount.parse(':3')
def test_add_and_dump(self):
mocky = MagicMock()
self.amount.add(Amount('TESTKUDOS', 9, 10**8))
mocky(**self.amount.dump())
mocky.assert_called_with(currency='TESTKUDOS', value=10, fraction=0)
def test_subtraction(self):
with self.assertRaises(ValueError):
self.amount.subtract(Amount('TESTKUDOS', fraction=1))
a = Amount('TESTKUDOS', 2)
a.subtract(Amount('TESTKUDOS', 1, 99999999))
self.assertEqual(Amount.cmp(a, Amount('TESTKUDOS', fraction=1)), 0)
def test_stringify(self):
self.assertEqual(self.amount.stringify(3), 'TESTKUDOS:0.000')
self.amount.add(Amount('TESTKUDOS', 2, 100))
self.assertEqual(self.amount.stringify(6), 'TESTKUDOS:2.000001')
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