num2words/tests/test_de.py

# -*- encoding: utf-8 -*-
# Copyright (c) 2015, Savoir-faire Linux inc.  All Rights Reserved.

# 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

from __future__ import unicode_literals

from unittest import TestCase

from num2words import num2words


class Num2WordsDETest(TestCase):
    def test_ordinal_less_than_twenty(self):
        self.assertEqual(num2words(7, ordinal=True, lang='de'), "siebte")
        self.assertEqual(num2words(8, ordinal=True, lang='de'), "achte")
        self.assertEqual(num2words(12, ordinal=True, lang='de'), "zwölfte")
        self.assertEqual(num2words(17, ordinal=True, lang='de'), "siebzehnte")

    def test_ordinal_more_than_twenty(self):
        self.assertEqual(
            num2words(81, ordinal=True, lang='de'), "einundachtzigste"
        )

    def test_ordinal_at_crucial_number(self):
        self.assertEqual(
            num2words(100, ordinal=True, lang='de'), "hundertste"
        )
        self.assertEqual(
            num2words(1000, ordinal=True, lang='de'), "tausendste"
        )
        self.assertEqual(
            num2words(4000, ordinal=True, lang='de'), "viertausendste"
        )
        self.assertEqual(
            num2words(2000000, ordinal=True, lang='de'), "zwei millionenste"
        )
        self.assertEqual(
            num2words(5000000000, ordinal=True, lang='de'),
            "fünf milliardenste"
        )

    def test_cardinal_at_some_numbers(self):
        self.assertEqual(num2words(2000000, lang='de'), "zwei millionen")
        self.assertEqual(num2words(4000000000, lang='de'), "vier milliarden")
        self.assertEqual(num2words(1000000000, lang='de'), "eine milliarde")

    def test_cardinal_for_decimal_number(self):
        self.assertEqual(
            num2words(3.486, lang='de'), "drei Komma vier acht sechs"
        )

    def test_ordinal_for_negative_numbers(self):
        self.assertRaises(TypeError, num2words, -12, ordinal=True, lang='de')

    def test_ordinal_for_floating_numbers(self):
        self.assertRaises(TypeError, num2words, 2.453, ordinal=True, lang='de')

    def test_currency(self):
        self.assertEqual(num2words(12.00, to='currency', lang='de'),
                         'zwölf euro')

    def test_old_currency(self):
        self.assertEqual(num2words(12.00, to='currency', lang='de', old=True),
                         'zwölf mark')

    def test_year(self):
        self.assertEqual(num2words(2002, to='year', lang='de'),
                         'zweitausendzwei')

    def test_year_before_2000(self):
        self.assertEqual(num2words(1780, to='year', lang='de'),
                         'siebzehnhundertachtzig')