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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', 'ps_AF.UTF-8', 'en_US',
26    'fr_FR.ISO8859-1', 'fr_FR.UTF-8', 'fr_FR.ISO8859-15@euro',
27    'ru_RU.KOI8-R', 'ko_KR.eucKR']
28
29# Workaround for MSVC6(debug) crash bug
30if "MSC v.1200" in sys.version:
31    def accept(loc):
32        a = loc.split(".")
33        return not(len(a) == 2 and len(a[-1]) >= 9)
34    candidate_locales = [loc for loc in candidate_locales if accept(loc)]
35
36# List known locale values to test against when available.
37# Dict formatted as ``<locale> : (<decimal_point>, <thousands_sep>)``.  If a
38# value is not known, use '' .
39known_numerics = {
40    'en_US': ('.', ','),
41    'de_DE' : (',', '.'),
42    # The French thousands separator may be a breaking or non-breaking space
43    # depending on the platform, so do not test it
44    'fr_FR' : (',', ''),
45    'ps_AF.UTF-8' : ('\xd9\xab', '\xd9\xac'),
46}
47
48class _LocaleTests(unittest.TestCase):
49
50    def setUp(self):
51        self.oldlocale = setlocale(LC_NUMERIC)
52
53    def tearDown(self):
54        setlocale(LC_NUMERIC, self.oldlocale)
55
56    # Want to know what value was calculated, what it was compared against,
57    # what function was used for the calculation, what type of data was used,
58    # the locale that was supposedly set, and the actual locale that is set.
59    lc_numeric_err_msg = "%s != %s (%s for %s; set to %s, using %s)"
60
61    def numeric_tester(self, calc_type, calc_value, data_type, used_locale):
62        """Compare calculation against known value, if available"""
63        try:
64            set_locale = setlocale(LC_NUMERIC)
65        except Error:
66            set_locale = "<not able to determine>"
67        known_value = known_numerics.get(used_locale,
68                                    ('', ''))[data_type == 'thousands_sep']
69        if known_value and calc_value:
70            self.assertEqual(calc_value, known_value,
71                                self.lc_numeric_err_msg % (
72                                    calc_value, known_value,
73                                    calc_type, data_type, set_locale,
74                                    used_locale))
75            return True
76
77    @unittest.skipUnless(nl_langinfo, "nl_langinfo is not available")
78    def test_lc_numeric_nl_langinfo(self):
79        # Test nl_langinfo against known values
80        tested = False
81        for loc in candidate_locales:
82            try:
83                setlocale(LC_NUMERIC, loc)
84            except Error:
85                continue
86            for li, lc in ((RADIXCHAR, "decimal_point"),
87                            (THOUSEP, "thousands_sep")):
88                if self.numeric_tester('nl_langinfo', nl_langinfo(li), lc, loc):
89                    tested = True
90        if not tested:
91            self.skipTest('no suitable locales')
92
93    def test_lc_numeric_localeconv(self):
94        # Test localeconv against known values
95        tested = False
96        for loc in candidate_locales:
97            try:
98                setlocale(LC_NUMERIC, loc)
99            except Error:
100                continue
101            formatting = localeconv()
102            for lc in ("decimal_point", "thousands_sep"):
103                if self.numeric_tester('localeconv', formatting[lc], lc, loc):
104                    tested = True
105        if not tested:
106            self.skipTest('no suitable locales')
107
108    @unittest.skipUnless(nl_langinfo, "nl_langinfo is not available")
109    def test_lc_numeric_basic(self):
110        # Test nl_langinfo against localeconv
111        tested = False
112        for loc in candidate_locales:
113            try:
114                setlocale(LC_NUMERIC, loc)
115            except Error:
116                continue
117            for li, lc in ((RADIXCHAR, "decimal_point"),
118                            (THOUSEP, "thousands_sep")):
119                nl_radixchar = nl_langinfo(li)
120                li_radixchar = localeconv()[lc]
121                try:
122                    set_locale = setlocale(LC_NUMERIC)
123                except Error:
124                    set_locale = "<not able to determine>"
125                self.assertEqual(nl_radixchar, li_radixchar,
126                                "%s (nl_langinfo) != %s (localeconv) "
127                                "(set to %s, using %s)" % (
128                                                nl_radixchar, li_radixchar,
129                                                loc, set_locale))
130                tested = True
131        if not tested:
132            self.skipTest('no suitable locales')
133
134    def test_float_parsing(self):
135        # Bug #1391872: Test whether float parsing is okay on European
136        # locales.
137        tested = False
138        for loc in candidate_locales:
139            try:
140                setlocale(LC_NUMERIC, loc)
141            except Error:
142                continue
143
144            # Ignore buggy locale databases. (Mac OS 10.4 and some other BSDs)
145            if loc == 'eu_ES' and localeconv()['decimal_point'] == "' ":
146                continue
147
148            self.assertEqual(int(eval('3.14') * 100), 314,
149                                "using eval('3.14') failed for %s" % loc)
150            self.assertEqual(int(float('3.14') * 100), 314,
151                                "using float('3.14') failed for %s" % loc)
152            if localeconv()['decimal_point'] != '.':
153                self.assertRaises(ValueError, float,
154                                  localeconv()['decimal_point'].join(['1', '23']))
155            tested = True
156        if not tested:
157            self.skipTest('no suitable locales')
158
159
160def test_main():
161    run_unittest(_LocaleTests)
162
163if __name__ == '__main__':
164    test_main()
165