def test_or_and(self):
assert plural._Parser('n = 0 or n != 1 and n % 100 = 1..19').ast == \
('or', (self.n_eq(0),
('and', (plural.negate(self.n_eq(1)),
('relation', ('in',
('mod', (self.n,
plural.value_node(100))),
(make_range_list((1, 19)))))))
))
def test_or_and(self):
assert plural._Parser('n = 0 or n != 1 and n % 100 = 1..19').ast == \
('or', (self.n_eq(0),
('and', (plural.negate(self.n_eq(1)),
('relation', ('in',
('mod', (self.n,
plural.value_node(100))),
(make_range_list((1, 19)))))))
))
def test_and(self):
assert plural._Parser('n = 1 and n = 2').ast ==\
('and', (self.n_eq(1), self.n_eq(2)))
def test_or(self):
assert plural._Parser('n = 1 or n = 2').ast ==\
('or', (self.n_eq(1), self.n_eq(2)))
def test_negate(self):
assert plural._Parser('n != 1').ast == plural.negate(self.n_eq(1))
def test_in_range_relation(self):
assert plural._Parser('n = 2..4').ast == \
('relation', ('in', self.n, make_range_list((2, 4))))
def test_eq_relation(self):
assert plural._Parser('n = 1').ast == self.n_eq(1)
def test_error_when_unexpected_end(self):
with pytest.raises(plural.RuleError):
plural._Parser('n =')
def test_and(self):
assert plural._Parser('n = 1 and n = 2').ast ==\
('and', (self.n_eq(1), self.n_eq(2)))
def test_or(self):
assert plural._Parser('n = 1 or n = 2').ast ==\
('or', (self.n_eq(1), self.n_eq(2)))
def test_negate(self):
assert plural._Parser('n != 1').ast == plural.negate(self.n_eq(1))
def test_in_range_relation(self):
assert plural._Parser('n = 2..4').ast == \
('relation', ('in', self.n, make_range_list((2, 4))))
def test_eq_relation(self):
assert plural._Parser('n = 1').ast == self.n_eq(1)
def test_error_when_unexpected_end(self):
with pytest.raises(plural.RuleError):
plural._Parser('n =')