def test_label():
# .label fallback to .name works for instances and classes
for item in Element.named(u'x'), Element.named(u'x')(), Element(name=u'x'):
assert item.label == u'x'
for item in (Element.using(name=u'x', label=u'L'),
Element.using(name=u'x', label=u'L')(),
Element(name=u'x', label=u'L')):
assert item.label == u'L'
def test_label():
# .label fallback to .name works for instances and classes
for item in Element.named(u'x'), Element.named(u'x')(), Element(name=u'x'):
assert item.label == u'x'
for item in (Element.using(name=u'x',
label=u'L'), Element.using(name=u'x',
label=u'L')(),
Element(name=u'x', label=u'L')):
assert item.label == u'L'
def test_dsl_validated_by():
s = Element.using(validators=(123, 456))
eq_(s.validators, [123, 456])
s = Element.validated_by(123, 456)
eq_(s.validators, [123, 456])
s = Element.using(validators=(123, 456)).validated_by(789)
eq_(s.validators, [789])
assert_raises(TypeError, Element.validated_by, int)
def test_dsl_validated_by():
s = Element.using(validators=(123, 456))
eq_(s.validators, [123, 456])
s = Element.validated_by(123, 456)
eq_(s.validators, [123, 456])
s = Element.using(validators=(123, 456)).validated_by(789)
eq_(s.validators, [789])
assert_raises(TypeError, Element.validated_by, int)
def test_dsl_validated_by():
s = Element.using(validators=(123, 456))
assert s.validators == [123, 456]
s = Element.validated_by(123, 456)
assert s.validators == [123, 456]
s = Element.using(validators=(123, 456)).validated_by(789)
assert s.validators == [789]
with pytest.raises(TypeError):
Element.validated_by(int)
def test_validators():
# Validators may be inherited or supplied at construction.
el = Element()
assert not el.validators
# argument is transformed into a list copy
el = Element(validators=(123, 456))
eq_(el.validators, [123, 456])
el = Element(validators=xrange(3))
eq_(el.validators, list(xrange(3)))
schema = Element.using(validators=xrange(3))
eq_(schema.validators, list(xrange(3)))
def test_validators():
# Validators may be inherited or supplied at construction.
el = Element()
assert not el.validators
# argument is transformed into a list copy
el = Element(validators=(123, 456))
eq_(el.validators, [123, 456])
el = Element(validators=xrange(3))
eq_(el.validators, list(xrange(3)))
schema = Element.using(validators=xrange(3))
eq_(schema.validators, list(xrange(3)))
def test_validator_return():
# Validator returns can be bool, int or None.
class Bool(object):
"""A truthy object that does not implement __and__"""
def __init__(self, val):
self.val = val
def __bool__(self):
return bool(self.val)
__nonzero__ = __bool__
Validatable = Element.using(validates_down='validators')
# mostly we care about allowing None for False
true = lambda *a: True
skip = lambda *a: Skip
skipall = lambda *a: SkipAll
one = lambda *a: 1
false = lambda *a: False
skipallfalse = lambda *a: SkipAllFalse
zero = lambda *a: 0
none = lambda *a: None
no = lambda *a: Bool(False)
for validator in true, one, skip, skipall:
el = Validatable(validators=(validator,))
assert el.validate()
for validator in false, zero, none, skipallfalse:
el = Validatable(validators=(validator,))
assert not el.validate()
for validator in [no]:
el = Validatable(validators=(validator,))
with pytest.raises(TypeError):
el.validate()
def test_validator_return():
# Validator returns can be bool, int or None.
class Bool(object):
"""A truthy object that does not implement __and__"""
def __init__(self, val):
self.val = val
def __bool__(self):
return bool(self.val)
__nonzero__ = __bool__
Validatable = Element.using(validates_down='validators')
# mostly we care about allowing None for False
true = lambda *a: True
skip = lambda *a: Skip
skipall = lambda *a: SkipAll
one = lambda *a: 1
false = lambda *a: False
skipallfalse = lambda *a: SkipAllFalse
zero = lambda *a: 0
none = lambda *a: None
no = lambda *a: Bool(False)
for validator in true, one, skip, skipall:
el = Validatable(validators=(validator, ))
assert el.validate()
for validator in false, zero, none, skipallfalse:
el = Validatable(validators=(validator, ))
assert not el.validate()
for validator in [no]:
el = Validatable(validators=(validator, ))
assert_raises(TypeError, el.validate)
