def test_init(self):
rule = Seq(Equal('X'), type=list)
assert hasattr(rule, 'data_validator')
assert isinstance(rule.data_validator, ValidatorBaseInterface)
assert rule.data_validator([]) == None
self.assertRaises(ValidationError, rule.data_validator, {})
assert hasattr(rule, 'rules')
assert isinstance(rule.rules, list)
assert hasattr(rule, '__len__')
assert len(rule) == 1
def test_pattern_repeat(self):
rule = Seq(
Equal('A'),
Any(Equal('A'), Equal('B')),
Any(Equal('B'), Equal('C'))
)
r = rule.get(0)
assert isinstance(r, Equal)
assert r('A') == None
self.assertRaises(ValidationError, r, 'B')
self.assertRaises(ValidationError, r, 'C')
r = rule.get(1)
assert isinstance(r, Any)
assert r('A') == None
assert r('B') == None
self.assertRaises(ValidationError, r, 'C')
r = rule.get(2)
assert isinstance(r, Any)
assert r('B') == None
assert r('C') == None
self.assertRaises(ValidationError, r, 'A')
def test_rule_accessor_set(self):
rule = Seq(Equal('xxx'), Equal('Y'))
rule[0] = String()
assert rule[0] == String()
assert rule[1] == Equal('Y')
try:
rule[2] = String()
except IndexError:
pass
else:
raise AssertionError()
length = len(rule)
rule.insert(Equal('aaa'))
assert len(rule) == length + 1
assert rule[len(rule)-1] == Equal('aaa')
length = len(rule)
rule.insert(Equal('bbb'), 0)
assert len(rule) == length + 1
assert rule[0] == Equal('bbb')
rule.insert(String(), len(rule) + 100)
assert rule[len(rule)-1] == String()
