def testOnceInDiamondWithTransparent(self):
class MyObserver(Observable):
def methodOnlyCalledOnce(self, aList):
aList.append('once')
return
yield
t1 = Transparent(name="A")
t2 = Transparent(name="B")
t3 = Transparent(name="C")
once = MyObserver("D")
diamond = \
(t1,
(t2,
(once,)
),
(t3,
(once,)
)
)
root = be(diamond)
collector = []
methodOnlyCalledOnce = root.once.methodOnlyCalledOnce
consume(methodOnlyCalledOnce(collector))
self.assertTrue(once in methodOnlyCalledOnce.seen)
self.assertTrue(t2 in methodOnlyCalledOnce.seen)
self.assertTrue(t3 in methodOnlyCalledOnce.seen)
self.assertEquals(3, len(methodOnlyCalledOnce.seen))
self.assertEquals(set([once]), methodOnlyCalledOnce.called)
self.assertEquals(['once'], collector)
def xxtestRelativeSpeedOfAll(self):
from time import time
class A(Observable):
def f(self):
raise StopIteration(None)
yield
root = Observable()
connector = Transparent()
root.addObserver(connector)
connector.addObserver(A())
connector.addObserver(A())
connector.addObserver(A())
connector.addObserver(A())
connector.addObserver(A())
connector.addObserver(A())
connector.addObserver(A())
t = 0.0
for _ in xrange(10000):
g = compose(root.all.f())
t0 = time()
for _ in g:
g.next()
t1 = time()
t += t1 - t0
print t
def f():
for _ in xrange(10000):
g = compose(root.all.f())
for _ in g:
g.next()
def xxtestRelativeSpeedOfAll(self):
from time import time
class A(Observable):
def f(self):
raise StopIteration(None)
yield
root = Observable()
connector = Transparent()
root.addObserver(connector)
connector.addObserver(A())
connector.addObserver(A())
connector.addObserver(A())
connector.addObserver(A())
connector.addObserver(A())
connector.addObserver(A())
connector.addObserver(A())
t = 0.0
for _ in xrange(10000):
g = compose(root.all.f())
t0 = time()
for _ in g:
g.next()
t1 = time()
t += t1 - t0
print t
def f():
for _ in xrange(10000):
g = compose(root.all.f())
for _ in g:
g.next()
def testTransparentUnknownImplementationIsVisibleOnTraceback(self):
class Leaf(Observable):
def aCall(self):
raise RuntimeError('trace')
def aAny(self):
def lookBusy():
raise RuntimeError('trace')
return
yield
ignored = yield lookBusy()
def aAll(self):
raise RuntimeError('trace')
yield 'ignored'
def aDo(self):
raise RuntimeError('trace')
root = be((
Observable(),
(
Transparent(),
(Leaf(), ),
),
))
try:
root.call.aCall()
self.fail('Should not happen')
except RuntimeError:
self.assertFunctionsOnTraceback(
'testTransparentUnknownImplementationIsVisibleOnTraceback',
'call_unknown', 'aCall')
try:
compose(root.any.aAny()).next()
self.fail('Should not happen')
except RuntimeError:
self.assertFunctionsOnTraceback(
'testTransparentUnknownImplementationIsVisibleOnTraceback',
'any_unknown', 'aAny', 'lookBusy')
try:
compose(root.all.aAll()).next()
self.fail('Should not happen')
except RuntimeError:
self.assertFunctionsOnTraceback(
'testTransparentUnknownImplementationIsVisibleOnTraceback',
'all_unknown', 'aAll')
try:
root.do.aDo()
self.fail('Should not happen')
except RuntimeError:
self.assertFunctionsOnTraceback(
'testTransparentUnknownImplementationIsVisibleOnTraceback',
'do_unknown', 'aDo')
def testTransparentInCaseNoneOfTheObserversRespond(self):
root = be((
Observable(),
(Transparent(), ),
(
Transparent(),
(Transparent(), (object(), )),
),
(Responder(42), ),
))
self.assertEquals(42, root.call.m())
try:
g = compose(root.any.m())
self.assertEquals(42, g.next())
g.next()
self.fail("Should have raised StopIteration")
except StopIteration, e:
self.assertEquals((42, ), e.args)
def testOnceInDiamondWithTransparent(self):
class MyObserver(Observable):
def methodOnlyCalledOnce(self, aList):
aList.append('once')
return
yield
once = MyObserver()
diamond = \
(Transparent(),
(Transparent(),
(once,)
),
(Transparent(),
(once,)
)
)
root = be(diamond)
collector = []
list(compose(root.once.methodOnlyCalledOnce(collector)))
self.assertEquals(['once'], collector)
def testNoLeakingGeneratorsInMultiTransparents(self):
class Responder(Observable):
def message(self):
return 'response'
obs = Observable()
t1 = Transparent()
t2 = Transparent()
obs.addObserver(t1)
t1.addObserver(t2)
t2.addObserver(Responder())
result = obs.call.message()
self.assertEquals('response', result)
del obs, t1, t2, result
def testNoLeakingGeneratorsInMultiTransparents(self):
class Responder(Observable):
def message(self):
return 'response'
obs = Observable()
t1 = Transparent()
t2 = Transparent()
obs.addObserver(t1)
t1.addObserver(t2)
t2.addObserver(Responder())
result = obs.call.message()
self.assertEquals('response', result)
del obs, t1, t2, result
def testObserverAttributeErrorNotIgnored(self):
class GetAttr(object):
def __init__(self, attrName):
self.attrName = attrName
def call_unknown(self, message, *args, **kwargs):
return getattr(self, self.attrName)
def any_unknown(self, message, *args, **kwargs):
raise StopIteration(getattr(self, self.attrName))
yield
root = be((Observable(), (Transparent(), (GetAttr('doesnotexist'), )),
(GetAttr('__class__'), )))
try:
result = root.call.someMessage()
self.fail("should not get here: %s" % result)
except AttributeError, e:
self.assertEquals(
"'GetAttr' object has no attribute 'doesnotexist'", str(e))
def testAllAssertsResultOfCallIsGeneratorOrComposed(self):
class A(object):
def f(self):
return 42
def all_unknown(self, message, *args, **kwargs):
return 42
root = be((Observable(), (Transparent(), (A(), ))))
g = compose(root.all.f())
try:
g.next()
self.fail("Should not happen")
except AssertionError, e:
self.assertTrue(
"<bound method A.f of <core.observabletest.A object at 0x"
in str(e), str(e))
self.assertTrue(
">> should have resulted in a generator." in str(e), str(e))
self.assertFunctionsOnTraceback(
"testAllAssertsResultOfCallIsGeneratorOrComposed",
"all_unknown", "verifyMethodResult")
def testNonGeneratorMethodMayNeverRaiseGeneratorExceptionsOnMessages(self):
# any, all, do, call and once
class OddObject(object):
def stopIter(self):
raise StopIteration('Stop!')
def genExit(self):
raise GeneratorExit('Exit!')
dna = (Observable(), (
Transparent(),
(OddObject(), ),
))
root = be(dna)
# Verify traceback's and wrapped-exception text is ok
try:
root.call.stopIter()
except AssertionError, e:
self.assertTrue(
str(e).startswith(
'Non-Generator <bound method OddObject.stopIter of <core.observabletest.OddObject object at 0x'
), str(e))
expected = ignoreLineNumbers(
'''>> should not have raised Generator-Exception:
Traceback (most recent call last):
File "%(__file__)s", line [#], in stopIter
raise StopIteration('Stop!')
StopIteration: Stop!
''' % fileDict)
self.assertTrue(
ignoreLineNumbers(str(e)).endswith(expected), str(e))
self.assertFunctionsOnTraceback(
'testNonGeneratorMethodMayNeverRaiseGeneratorExceptionsOnMessages',
'call_unknown', # From Transparent, is supposed to be on the stack to aid retracing the path taken for a messages.
'handleNonGeneratorGeneratorExceptions')
def __init__(self, unqualifiedTermFields, luceneSettings, ignoreStemmingForWords=None):
Transparent.__init__(self)
self._unqualifiedTermFields = unqualifiedTermFields
self._analyzer = luceneSettings.createAnalyzer()
self._fieldRegistry = luceneSettings.fieldRegistry
self._ignoreStemmingForWords = set(ignoreStemmingForWords or [])
def __init__(self, name=None):
Transparent_orig.__init__(self, name=name)
self.ctx = Context()
def __init__(self, name=None):
Transparent_orig.__init__(self, name=name)
self.ctx = Context()