def test_writeonly(self):
from Merlin.Testing.Indexer import WriteOnlyIndexer
from Merlin.Testing import Flag
x = WriteOnlyIndexer()
Flag.Set(0)
x[1] = 10
Flag.Check(11)
self.assertRaisesRegexp(
TypeError, "'WriteOnlyIndexer' object is not subscriptable",
lambda: x[1])
def test_add_method_descriptor(self):
from Merlin.Testing import Flag
from Merlin.Testing.Event import ClassWithSimpleEvent, TargetClass
x = ClassWithSimpleEvent()
x.OnAction += TargetClass.s_Negate
x.OnAction += TargetClass.i_Double # method
Flag.Set(0)
self.assertRaisesMessage(
TypeError, "i_Double() takes exactly 2 arguments (1 given)",
lambda: x.CallInside(4))
Flag.Check(10)
def test_static_event(self):
from Merlin.Testing import Flag
from Merlin.Testing.Event import ClassWithStaticEvent, TargetClass, TargetStruct
for t1 in [
ClassWithStaticEvent,
#StructWithStaticEvent
]:
x = t1()
tc, ts = TargetClass(), TargetStruct()
t1.OnAction += TargetClass.s_Double
t1.OnAction += TargetStruct.s_Negate
t1.OnAction += tc.i_Square
Flag.Set(0)
self.assertEqual(x.CallInside(30), 900)
Flag.Set(111)
t1.OnAction += ts.i_Negate
Flag.Set(0)
self.assertEqual(x.CallInside(31), -31)
Flag.Check(121)
t1.OnAction -= TargetStruct.s_Negate
t1.OnAction -= ts.i_Double # not added before
t1.OnAction -= tc.i_Square
Flag.Set(0)
self.assertEqual(x.CallInside(32), -32)
Flag.Set(11)
Flag.Set(0)
t1.OnAction -= ts.i_Negate
self.assertEqual(x.CallInside(33), 66)
Flag.Set(1)
def m1(self):
Flag.Set(30)
def m1(self):
Flag.Set(20)
def __init__(self, arg):
Flag.Check(6)
Flag.Set(7)
def __init__(self, arg):
Flag.Set(2) # then not called here
def __init__(self, arg):
Flag.Check(arg * 2)
Flag.Set(arg * 3)
def __new__(cls, arg):
x = super(C, cls).__new__(cls, arg)
Flag.Check(arg)
Flag.Set(arg * 2)
return x
def test_basic(self):
from Merlin.Testing import Flag
from Merlin.Testing.Event import ClassImplicitlyImplementInterface, ClassWithSimpleEvent, Int32Int32Delegate, TargetClass, TargetStruct
# t1 is where the event is declared
for t1 in [
ClassImplicitlyImplementInterface,
#StructImplicitlyImplementInterface, # bug: 361955
ClassWithSimpleEvent,
#StructWithSimpleEvent, # bug: 361955
]:
# t2 is where the handler is defined
for t2 in [TargetClass, TargetStruct]:
o = t2()
# try both static and instance method
for (double, square, negate, bad) in [
(t2.s_Double, t2.s_Square, t2.s_Negate, t2.s_Throw),
(o.i_Double, o.i_Square, o.i_Negate, o.i_Throw),
]:
# no duplicate handlers, add/remove
x = t1()
Flag.Set(0)
self.assertEqual(x.CallInside(1), -1)
Flag.Check(0)
Flag.Set(0)
x.OnAction += double
self.assertEqual(x.CallInside(2), 4)
Flag.Check(1)
Flag.Set(0)
x.OnAction += square
self.assertEqual(x.CallInside(3), 9)
Flag.Check(101)
Flag.Set(0)
x.OnAction += negate
self.assertEqual(x.CallInside(4), -4)
Flag.Check(111)
Flag.Set(0)
x.OnAction -= square
self.assertEqual(x.CallInside(5), -5)
Flag.Check(11)
Flag.Set(0)
x.OnAction -= double
self.assertEqual(x.CallInside(6), -6)
Flag.Check(10)
Flag.Set(0)
x.OnAction -= negate
self.assertEqual(x.CallInside(7), -1)
Flag.Check(0)
# duplicate: which one get removed
x = t1()
x.OnAction += double
x.OnAction += square
x.OnAction += double
x.OnAction += double
Flag.Set(0)
self.assertEqual(x.CallInside(8), 16)
Flag.Check(103)
x.OnAction -= double
self.assertEqual(x.CallInside(9), 18)
x.OnAction -= double # verify the last one is removed
Flag.Set(0)
self.assertEqual(x.CallInside(10), 100) # bug 361971
Flag.Check(101)
x.OnAction -= double
self.assertEqual(x.CallInside(11), 121)
x.OnAction -= square
self.assertEqual(x.CallInside(12), -1)
# remove from empty invocation list
x.OnAction -= double
Flag.Set(0)
self.assertEqual(x.CallInside(13), -1)
Flag.Check(0)
# troubling event handler in the middle
x = t1()
x.OnAction += double
x.OnAction += bad
x.OnAction += negate
Flag.Set(0)
self.assertRaises(StandardError, lambda: x.CallInside(14))
Flag.Check(
1
) # this also verified double was added/thus called first
# different handler handling path:
# - explicitly created delegate objects (d_xxx)
# - mixed
x = t1()
d_double = Int32Int32Delegate(double)
d_negate = Int32Int32Delegate(negate)
d_square = Int32Int32Delegate(square)
x.OnAction += d_double
x.OnAction += d_square
x.OnAction += double
Flag.Set(0)
self.assertEqual(x.CallInside(15), 30)
Flag.Check(102)
x.OnAction += d_negate
self.assertEqual(x.CallInside(16), -16)
x.OnAction -= d_square
Flag.Set(0)
self.assertEqual(x.CallInside(17), -17)
Flag.Check(12)
x.OnAction -= negate # remove the "native"
self.assertEqual(x.CallInside(18), -18)
x.OnAction -= d_negate # remove the 'stub'ed
self.assertEqual(x.CallInside(19), 38)
x.OnAction -= negate # list is not empty, try to remove the not-in-list
x.OnAction -= d_negate # same
self.assertEqual(x.CallInside(20), 40)
x.OnAction -= double
x.OnAction -= d_double
self.assertEqual(x.CallInside(21), -1)
