def test_gettext_compilation(locale):
# Test that new plural form elements introduced in recent CLDR versions
# are compiled "down" to `n` when emitting Gettext rules.
ru_rules = localedata.load(locale)['plural_form'].rules
chars = 'ivwft'
# Test that these rules are valid for this test; i.e. that they contain at least one
# of the gettext-unsupported characters.
assert any((" " + ch + " ") in rule for ch in chars for rule in ru_rules.values())
# Then test that the generated value indeed does not contain these.
ru_rules_gettext = plural.to_gettext(ru_rules)
assert not any(ch in ru_rules_gettext for ch in chars)
def test_gettext_compilation(locale):
# Test that new plural form elements introduced in recent CLDR versions
# are compiled "down" to `n` when emitting Gettext rules.
ru_rules = localedata.load(locale)['plural_form'].rules
chars = 'ivwft'
# Test that these rules are valid for this test; i.e. that they contain at least one
# of the gettext-unsupported characters.
assert any((" " + ch + " ") in rule for ch in chars for rule in ru_rules.values())
# Then test that the generated value indeed does not contain these.
ru_rules_gettext = plural.to_gettext(ru_rules)
assert not any(ch in ru_rules_gettext for ch in chars)
def test_plural_within_rules():
p = plural.PluralRule({'one': 'n is 1', 'few': 'n within 2,4,7..9'})
assert repr(p) == "<PluralRule 'one: n is 1, few: n within 2,4,7..9'>"
assert plural.to_javascript(p) == (
"(function(n) { "
"return ((n == 2) || (n == 4) || (n >= 7 && n <= 9))"
" ? 'few' : (n == 1) ? 'one' : 'other'; })")
assert plural.to_gettext(p) == (
'nplurals=3; plural=(((n == 2) || (n == 4) || (n >= 7 && n <= 9))'
' ? 1 : (n == 1) ? 0 : 2)')
assert p(0) == 'other'
assert p(1) == 'one'
assert p(2) == 'few'
assert p(3) == 'other'
assert p(4) == 'few'
assert p(5) == 'other'
assert p(6) == 'other'
assert p(7) == 'few'
assert p(8) == 'few'
assert p(9) == 'few'
def test_plural_within_rules():
p = plural.PluralRule({'one': 'n is 1', 'few': 'n within 2,4,7..9'})
assert repr(p) == "<PluralRule 'one: n is 1, few: n within 2,4,7..9'>"
assert plural.to_javascript(p) == (
"(function(n) { "
"return ((n == 2) || (n == 4) || (n >= 7 && n <= 9))"
" ? 'few' : (n == 1) ? 'one' : 'other'; })")
assert plural.to_gettext(p) == (
'nplurals=3; plural=(((n == 2) || (n == 4) || (n >= 7 && n <= 9))'
' ? 1 : (n == 1) ? 0 : 2)')
assert p(0) == 'other'
assert p(1) == 'one'
assert p(2) == 'few'
assert p(3) == 'other'
assert p(4) == 'few'
assert p(5) == 'other'
assert p(6) == 'other'
assert p(7) == 'few'
assert p(8) == 'few'
assert p(9) == 'few'
def get_cldr_languages(self):
"""
Helper function to extract CLDR information. Heavily relied on babel functionality
"""
from babel import Locale, localedata, plural
for lang in localedata.locale_identifiers():
locale = Locale(lang)
if not locale.english_name:
continue
plurals_str = plural.to_gettext(locale.plural_form)
nplurals, pluralequation = re_plurals.match(plurals_str).groups()
lang_aliases = set(CLDR_FALLBACK_ALIASES.get(lang, []))
lang_aliases.add(lang)
for alias in lang_aliases:
yield {
'code': alias,
'fullname': locale.english_name,
'nplurals': int(nplurals),
'pluralequation': pluralequation,
}
def test_to_gettext():
assert (plural.to_gettext({
'one': 'n is 1',
'two': 'n is 2'
}) == 'nplurals=3; plural=((n == 1) ? 0 : (n == 2) ? 1 : 2)')
def test_to_gettext():
assert (plural.to_gettext({'one': 'n is 1', 'two': 'n is 2'})
== 'nplurals=3; plural=((n == 1) ? 0 : (n == 2) ? 1 : 2)')