def test_plural_rule():
rule = plural.PluralRule({'one': 'n is 1'})
assert rule(1) == 'one'
assert rule(2) == 'other'
rule = plural.PluralRule({'one': 'n is 1'})
assert rule.rules == {'one': 'n is 1'}
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_other_is_ignored():
rule = plural.PluralRule({'one': 'n is 1', 'other': '@integer 2'})
assert rule(1) == 'one'
def test_plural_rule_operands_t():
rule = plural.PluralRule({'one': 't = 5'})
assert rule(decimal.Decimal('1.53')) == 'other'
assert rule(decimal.Decimal('1.50')) == 'one'
assert rule(1.5) == 'one'
def test_plural_rule_operands_f():
rule = plural.PluralRule({'one': 'f is 20'})
assert rule(decimal.Decimal('1.23')) == 'other'
assert rule(decimal.Decimal('1.20')) == 'one'
assert rule(1.2) == 'other'
def test_plural_rule_operands_v():
rule = plural.PluralRule({'one': 'v is 2'})
assert rule(decimal.Decimal('1.20')) == 'one'
assert rule(decimal.Decimal('1.2')) == 'other'
assert rule(2) == 'other'
def test_plural_rule_operands_i():
rule = plural.PluralRule({'one': 'i is 1'})
assert rule(1.2) == 'one'
assert rule(2) == 'other'
