def testIsNot(self):
def func(x): pass
p,q,r = object(),object(),object()
when(func,"x is not p")(value('~p'))
when(func,"x is not p and x is not q and x is not r")(value('nada'))
self.assertEqual(func(23),'nada')
self.assertEqual(func(q),'~p')
def testTypeVsIsTypePrecedence(self):
def func(x):
pass
when(func, (int, ))(value(1))
when(func, (istype(int), ))(value(2))
self.assertEqual(func(42), 2)
def testIsNot(self):
def func(x):
pass
p, q, r = object(), object(), object()
when(func, "x is not p")(value('~p'))
when(func, "x is not p and x is not q and x is not r")(value('nada'))
self.assertEqual(func(23), 'nada')
self.assertEqual(func(q), '~p')
def testFlatPriorities(self):
from peak.rules import value, AmbiguousMethods
from peak.rules.predicates import priority
f = lambda n, m: 0
f1, f2, f3 = value(1), value(2), value(3)
when(f, "n==5 and priority(1)")(f1)
when(f, "m==5 and priority(1)")(f2)
when(f, "n==5 and m==5 and priority(1)")(f3)
self.assertEqual(f(5, 5), 3)
def testFlatPriorities(self):
from peak.rules import value, AmbiguousMethods
from peak.rules.predicates import priority
f = lambda n, m: 0
f1, f2, f3 = value(1), value(2), value(3)
when(f, "n==5 and priority(1)")(f1)
when(f, "m==5 and priority(1)")(f2)
when(f, "n==5 and m==5 and priority(1)")(f3)
self.assertEqual(f(5,5), 3)
def testNamedGFExtension(self):
p, q, r = object(), object(), object()
when("%s:%s.named_func" % (__name__, self.__class__.__name__),
"x is not p")(value('~p'))
self.assertEqual(self.named_func(q), '~p')
def testNamedGFExtension(self):
p,q,r = object(),object(),object()
when("%s:%s.named_func" % (__name__, self.__class__.__name__), "x is not p")(value('~p'))
self.assertEqual(self.named_func(q),'~p')
def testTypeVsIsTypePrecedence(self):
def func(x): pass
when(func, (int, ))(value(1))
when(func, (istype(int),))(value(2))
self.assertEqual(func(42), 2)