Files
PyRIGS/zope/schema/tests/test_interfaces.py
2014-12-07 17:32:25 +00:00

100 lines
3.4 KiB
Python

import unittest
class Test__is_field(unittest.TestCase):
def _callFUT(self, value):
from zope.schema.interfaces import _is_field
return _is_field(value)
def test_non_fields(self):
from zope.schema._compat import b
from zope.schema._compat import u
self.assertEqual(self._callFUT(None), False)
self.assertEqual(self._callFUT(0), False)
self.assertEqual(self._callFUT(0.0), False)
self.assertEqual(self._callFUT(True), False)
self.assertEqual(self._callFUT(b('')), False)
self.assertEqual(self._callFUT(u('')), False)
self.assertEqual(self._callFUT(()), False)
self.assertEqual(self._callFUT([]), False)
self.assertEqual(self._callFUT({}), False)
self.assertEqual(self._callFUT(set()), False)
self.assertEqual(self._callFUT(frozenset()), False)
self.assertEqual(self._callFUT(object()), False)
def test_w_normal_fields(self):
from zope.schema import Text
from zope.schema import Bytes
from zope.schema import Int
from zope.schema import Float
from zope.schema import Decimal
self.assertEqual(self._callFUT(Text()), True)
self.assertEqual(self._callFUT(Bytes()), True)
self.assertEqual(self._callFUT(Int()), True)
self.assertEqual(self._callFUT(Float()), True)
self.assertEqual(self._callFUT(Decimal()), True)
def test_w_explicitly_provided(self):
from zope.interface import directlyProvides
from zope.schema.interfaces import IField
class Foo(object):
pass
foo = Foo()
self.assertEqual(self._callFUT(foo), False)
directlyProvides(foo, IField)
self.assertEqual(self._callFUT(foo), True)
class Test__fields(unittest.TestCase):
def _callFUT(self, values):
from zope.schema.interfaces import _fields
return _fields(values)
def test_empty_containers(self):
self.assertEqual(self._callFUT(()), True)
self.assertEqual(self._callFUT([]), True)
def test_w_non_fields(self):
self.assertEqual(self._callFUT([None]), False)
self.assertEqual(self._callFUT(['']), False)
self.assertEqual(self._callFUT([object()]), False)
def test_w_fields(self):
from zope.schema import Text
from zope.schema import Bytes
from zope.schema import Int
from zope.schema import Float
from zope.schema import Decimal
self.assertEqual(self._callFUT([Text()]), True)
self.assertEqual(self._callFUT([Bytes()]), True)
self.assertEqual(self._callFUT([Int()]), True)
self.assertEqual(self._callFUT([Float()]), True)
self.assertEqual(self._callFUT([Decimal()]), True)
self.assertEqual(
self._callFUT([Text(), Bytes(), Int(), Float(), Decimal()]),
True
)
def test_w_mixed(self):
from zope.schema import Text
from zope.schema import Bytes
from zope.schema import Int
from zope.schema import Float
from zope.schema import Decimal
self.assertEqual(self._callFUT([Text(), 0]), False)
self.assertEqual(
self._callFUT([Text(), Bytes(), Int(), Float(), Decimal(), 0]),
False
)
def test_suite():
return unittest.TestSuite((
unittest.makeSuite(Test__is_field),
unittest.makeSuite(Test__fields),
))