summaryrefslogtreecommitdiffstats
path: root/Lib/test/test__locale.py
blob: 9dec027d21fa2ea640804c48c0ffec184b0f7a92 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
from test.support import verbose, TestSkipped, run_unittest
from _locale import (setlocale, LC_ALL, LC_CTYPE, 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_ALL)

    def tearDown(self):
        setlocale(LC_ALL, 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 == '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)
                setlocale(LC_CTYPE, 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)
                setlocale(LC_CTYPE, 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)
                setlocale(LC_CTYPE, 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)
                setlocale(LC_CTYPE, 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()