test_plurals.py - mozsearch

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# This Source Code Form is subject to the terms of the Mozilla Public

# License, v. 2.0. If a copy of the MPL was not distributed with this

# file, You can obtain one at http://mozilla.org/MPL/2.0/.

import json

import unittest

from urllib.error import URLError

from urllib.request import urlopen

from compare_locales import plurals

TRANSVISION_URL = (

    'https://transvision.mozfr.org/'

    'api/v1/entity/gecko_strings/'

    '?id=toolkit/chrome/global/intl.properties:pluralRule'

class TestPlural(unittest.TestCase):

    '''Integration test for plural forms and l10n-central.

    Having more plural forms than in l10n-central is OK, missing or

    mismatching ones isn't.

    Depends on Transvision.

'''

    maxDiff = None

    def test_valid_forms(self):

        reference_form_map = self._load_transvision()

        # Strip matches from dicts, to make diff for test small

        locales = list(reference_form_map)

        cl_form_map = {}

        for locale in locales:

            cl_form = str(plurals.get_plural_rule(locale))

            if cl_form == reference_form_map[locale]:

                reference_form_map.pop(locale)

            else:

                cl_form_map[locale] = cl_form

        self.assertDictEqual(reference_form_map, cl_form_map)

    def _load_transvision(self):

        '''Use the Transvision API to load all values of pluralRule

        in intl.properties.

        Skip test on load failure.

'''

        try:

            data = urlopen(TRANSVISION_URL).read()

        except URLError:

            raise unittest.SkipTest("Couldn't load Transvision API.")

        return json.loads(data)