from test.test_support import verbose, TestSkipped, run_unittest

from _locale import (setlocale, LC_NUMERIC, RADIXCHAR, THOUSEP, nl_langinfo,

                    localeconv, Error)

import unittest

from platform import uname

if uname()[0] == "Darwin":

    maj, min, mic = [int(part) for part in uname()[2].split(".")]

    if (maj, min, mic) < (8, 0, 0):

        raise TestSkipped("locale support broken for OS X < 10.4")

candidate_locales = ['es_UY', 'fr_FR', 'fi_FI', 'es_CO', 'pt_PT', 'it_IT',

    'et_EE', 'es_PY', 'no_NO', 'nl_NL', 'lv_LV', 'el_GR', 'be_BY', 'fr_BE',

    'ro_RO', 'ru_UA', 'ru_RU', 'es_VE', 'ca_ES', 'se_NO', 'es_EC', 'id_ID',

    'ka_GE', 'es_CL', 'hu_HU', 'wa_BE', 'lt_LT', 'sl_SI', 'hr_HR', 'es_AR',

    'es_ES', 'oc_FR', 'gl_ES', 'bg_BG', 'is_IS', 'mk_MK', 'de_AT', 'pt_BR',

    'da_DK', 'nn_NO', 'cs_CZ', 'de_LU', 'es_BO', 'sq_AL', 'sk_SK', 'fr_CH',

    'de_DE', 'sr_YU', 'br_FR', 'nl_BE', 'sv_FI', 'pl_PL', 'fr_CA', 'fo_FO',

    'bs_BA', 'fr_LU', 'kl_GL', 'fa_IR', 'de_BE', 'sv_SE', 'it_CH', 'uk_UA',

    'eu_ES', 'vi_VN', 'af_ZA', 'nb_NO', 'en_DK', 'tg_TJ', 'en_US',

    'es_ES.ISO8859-1', 'fr_FR.ISO8859-15', 'ru_RU.KOI8-R', 'ko_KR.eucKR']

# List known locale values to test against when available.

# Dict formatted as ``<locale> : (<decimal_point>, <thousands_sep>)``.  If a

# value is not known, use '' .

known_numerics = {'fr_FR' : (',', ''), 'en_US':('.', ',')}

class _LocaleTests(unittest.TestCase):

    def setUp(self):

        self.oldlocale = setlocale(LC_NUMERIC)

    def tearDown(self):

        setlocale(LC_NUMERIC, self.oldlocale)

    # Want to know what value was calculated, what it was compared against,

    # what function was used for the calculation, what type of data was used,

    # the locale that was supposedly set, and the actual locale that is set.

    lc_numeric_err_msg = "%s != %s (%s for %s; set to %s, using %s)"

    def numeric_tester(self, calc_type, calc_value, data_type, used_locale):

        """Compare calculation against known value, if available"""

        try:

            set_locale = setlocale(LC_NUMERIC)

        except Error:

            set_locale = "<not able to determine>"

        known_value = known_numerics.get(used_locale,

                                    ('', ''))[data_type is 'thousands_sep']

        if known_value and calc_value:

            self.assertEquals(calc_value, known_value,

                                self.lc_numeric_err_msg % (

                                    calc_value, known_value,

                                    calc_type, data_type, set_locale,

                                    used_locale))

    def test_lc_numeric_nl_langinfo(self):

        # Test nl_langinfo against known values

        for loc in candidate_locales:

            try:

                setlocale(LC_NUMERIC, loc)

            except Error:

                continue

            for li, lc in ((RADIXCHAR, "decimal_point"),

                            (THOUSEP, "thousands_sep")):

                self.numeric_tester('nl_langinfo', nl_langinfo(li), lc, loc)

    def test_lc_numeric_localeconv(self):

        # Test localeconv against known values

        for loc in candidate_locales:

            try:

                setlocale(LC_NUMERIC, loc)

            except Error:

                continue

            for li, lc in ((RADIXCHAR, "decimal_point"),

                            (THOUSEP, "thousands_sep")):

                self.numeric_tester('localeconv', localeconv()[lc], lc, loc)

    def test_lc_numeric_basic(self):

        # Test nl_langinfo against localeconv

        for loc in candidate_locales:

            try:

                setlocale(LC_NUMERIC, loc)

            except Error:

                continue

            for li, lc in ((RADIXCHAR, "decimal_point"),

                            (THOUSEP, "thousands_sep")):

                nl_radixchar = nl_langinfo(li)

                li_radixchar = localeconv()[lc]

                try:

                    set_locale = setlocale(LC_NUMERIC)

                except Error:

                    set_locale = "<not able to determine>"

                self.assertEquals(nl_radixchar, li_radixchar,

                                "%s (nl_langinfo) != %s (localeconv) "

                                "(set to %s, using %s)" % (

                                                nl_radixchar, li_radixchar,

                                                loc, set_locale))

    def test_float_parsing(self):

        # Bug #1391872: Test whether float parsing is okay on European

        # locales.

        for loc in candidate_locales:

            try:

                setlocale(LC_NUMERIC, loc)

            except Error:

                continue

            # Ignore buggy locale databases. (Mac OS 10.4 and some other BSDs)

            if loc == 'eu_ES' and localeconv()['decimal_point'] == "' ":

                continue

            self.assertEquals(int(eval('3.14') * 100), 314,

                                "using eval('3.14') failed for %s" % loc)

            self.assertEquals(int(float('3.14') * 100), 314,

                                "using float('3.14') failed for %s" % loc)

            if localeconv()['decimal_point'] != '.':

                self.assertRaises(ValueError, float,

                                  localeconv()['decimal_point'].join(['1', '23']))

def test_main():

    run_unittest(_LocaleTests)

if __name__ == '__main__':

    test_main()