1from test.test_support import run_unittest
2from _locale import (setlocale, LC_NUMERIC, localeconv, Error)
3try:
4    from _locale import (RADIXCHAR, THOUSEP, nl_langinfo)
5except ImportError:
6    nl_langinfo = None
7
8import unittest
9import sys
10from platform import uname
11
12if uname()[0] == "Darwin":
13    maj, min, mic = [int(part) for part in uname()[2].split(".")]
14    if (maj, min, mic) < (8, 0, 0):
15        raise unittest.SkipTest("locale support broken for OS X < 10.4")
16
17candidate_locales = ['es_UY', 'fr_FR', 'fi_FI', 'es_CO', 'pt_PT', 'it_IT',
18    'et_EE', 'es_PY', 'no_NO', 'nl_NL', 'lv_LV', 'el_GR', 'be_BY', 'fr_BE',
19    'ro_RO', 'ru_UA', 'ru_RU', 'es_VE', 'ca_ES', 'se_NO', 'es_EC', 'id_ID',
20    'ka_GE', 'es_CL', 'hu_HU', 'wa_BE', 'lt_LT', 'sl_SI', 'hr_HR', 'es_AR',
21    'es_ES', 'oc_FR', 'gl_ES', 'bg_BG', 'is_IS', 'mk_MK', 'de_AT', 'pt_BR',
22    'da_DK', 'nn_NO', 'cs_CZ', 'de_LU', 'es_BO', 'sq_AL', 'sk_SK', 'fr_CH',
23    'de_DE', 'sr_YU', 'br_FR', 'nl_BE', 'sv_FI', 'pl_PL', 'fr_CA', 'fo_FO',
24    'bs_BA', 'fr_LU', 'kl_GL', 'fa_IR', 'de_BE', 'sv_SE', 'it_CH', 'uk_UA',
25    'eu_ES', 'vi_VN', 'af_ZA', 'nb_NO', 'en_DK', 'tg_TJ', 'en_US',
26    'es_ES.ISO8859-1', 'fr_FR.ISO8859-15', 'ru_RU.KOI8-R', 'ko_KR.eucKR']
27
28# Workaround for MSVC6(debug) crash bug
29if "MSC v.1200" in sys.version:
30    def accept(loc):
31        a = loc.split(".")
32        return not(len(a) == 2 and len(a[-1]) >= 9)
33    candidate_locales = [loc for loc in candidate_locales if accept(loc)]
34
35# List known locale values to test against when available.
36# Dict formatted as ``<locale> : (<decimal_point>, <thousands_sep>)``.  If a
37# value is not known, use '' .
38known_numerics = {'fr_FR' : (',', ''), 'en_US':('.', ',')}
39
40class _LocaleTests(unittest.TestCase):
41
42    def setUp(self):
43        self.oldlocale = setlocale(LC_NUMERIC)
44
45    def tearDown(self):
46        setlocale(LC_NUMERIC, self.oldlocale)
47
48    # Want to know what value was calculated, what it was compared against,
49    # what function was used for the calculation, what type of data was used,
50    # the locale that was supposedly set, and the actual locale that is set.
51    lc_numeric_err_msg = "%s != %s (%s for %s; set to %s, using %s)"
52
53    def numeric_tester(self, calc_type, calc_value, data_type, used_locale):
54        """Compare calculation against known value, if available"""
55        try:
56            set_locale = setlocale(LC_NUMERIC)
57        except Error:
58            set_locale = "<not able to determine>"
59        known_value = known_numerics.get(used_locale,
60                                    ('', ''))[data_type == 'thousands_sep']
61        if known_value and calc_value:
62            self.assertEqual(calc_value, known_value,
63                                self.lc_numeric_err_msg % (
64                                    calc_value, known_value,
65                                    calc_type, data_type, set_locale,
66                                    used_locale))
67
68    @unittest.skipUnless(nl_langinfo, "nl_langinfo is not available")
69    def test_lc_numeric_nl_langinfo(self):
70        # Test nl_langinfo against known values
71        for loc in candidate_locales:
72            try:
73                setlocale(LC_NUMERIC, loc)
74            except Error:
75                continue
76            for li, lc in ((RADIXCHAR, "decimal_point"),
77                            (THOUSEP, "thousands_sep")):
78                self.numeric_tester('nl_langinfo', nl_langinfo(li), lc, loc)
79
80    def test_lc_numeric_localeconv(self):
81        # Test localeconv against known values
82        for loc in candidate_locales:
83            try:
84                setlocale(LC_NUMERIC, loc)
85            except Error:
86                continue
87            for lc in ("decimal_point", "thousands_sep"):
88                self.numeric_tester('localeconv', localeconv()[lc], lc, loc)
89
90    @unittest.skipUnless(nl_langinfo, "nl_langinfo is not available")
91    def test_lc_numeric_basic(self):
92        # Test nl_langinfo against localeconv
93        for loc in candidate_locales:
94            try:
95                setlocale(LC_NUMERIC, loc)
96            except Error:
97                continue
98            for li, lc in ((RADIXCHAR, "decimal_point"),
99                            (THOUSEP, "thousands_sep")):
100                nl_radixchar = nl_langinfo(li)
101                li_radixchar = localeconv()[lc]
102                try:
103                    set_locale = setlocale(LC_NUMERIC)
104                except Error:
105                    set_locale = "<not able to determine>"
106                self.assertEqual(nl_radixchar, li_radixchar,
107                                "%s (nl_langinfo) != %s (localeconv) "
108                                "(set to %s, using %s)" % (
109                                                nl_radixchar, li_radixchar,
110                                                loc, set_locale))
111
112    def test_float_parsing(self):
113        # Bug #1391872: Test whether float parsing is okay on European
114        # locales.
115        for loc in candidate_locales:
116            try:
117                setlocale(LC_NUMERIC, loc)
118            except Error:
119                continue
120
121            # Ignore buggy locale databases. (Mac OS 10.4 and some other BSDs)
122            if loc == 'eu_ES' and localeconv()['decimal_point'] == "' ":
123                continue
124
125            self.assertEqual(int(eval('3.14') * 100), 314,
126                                "using eval('3.14') failed for %s" % loc)
127            self.assertEqual(int(float('3.14') * 100), 314,
128                                "using float('3.14') failed for %s" % loc)
129            if localeconv()['decimal_point'] != '.':
130                self.assertRaises(ValueError, float,
131                                  localeconv()['decimal_point'].join(['1', '23']))
132
133def test_main():
134    run_unittest(_LocaleTests)
135
136if __name__ == '__main__':
137    test_main()
138