def test_exec_tasks_after_binding(self):
"should execute messages to unbound names once bound"
name = dramatis.Actor()
class O(object):
def foo(self,arg):
assert arg == "bar"
return "foobar"
result = []
def block(value):
result[:] = [ value ]
retval = dramatis.interface( name ).continuation(block).foo("bar")
assert retval == None
assert result == []
dramatis.Runtime.current.quiesce()
assert result == []
dramatis.interface( name ).bind( O() )
dramatis.Runtime.current.quiesce()
assert result == [ "foobar" ]
def test_no_double_binding(self):
"shouldn't be possible to bind twice"
name = dramatis.Actor()
dramatis.interface( name ).bind( object() )
okay = False
try:
dramatis.interface( name ).bind( object() )
raise Exception("should not be reached")
except dramatis.error.Bind: okay = True
assert okay
def test_bind_with_release(self):
"should be possible to bind with a non-rpc continuation"
name = dramatis.Actor()
result = []
def block(v):
result[:] = [ v ]
name = dramatis.interface( name ).continuation(block)
retval = dramatis.interface( name ).bind( object() )
assert retval == None
assert result == []
dramatis.Runtime.current.quiesce()
assert result != []
def a(self, other):
def result(r): self._block_called = True
def exception(e):
if str(e) != "hell": raise e
self._exception_raised = True
( interface( other ).continuation( { "exception": exception,
"result": result } ) ).bb()
( interface( other ).continuation( { "exception": exception,
"result": result } ) ).b()
other.c()
def a(self, other):
def block ( c ):
self._block_called = True
( interface( other ).continuation( block ) ).b()
other.c()
def __init__(self,name,call_thread):
self._state = "start"
self._mutex = Lock()
self._wait = Condition( self._mutex )
self._call_thread = call_thread
self._actor = \
dramatis.interface( Scheduler.actor ).\
_continuation( self, { call_thread: call_thread } )
def __init__(self, name, call_thread, result, exception):
# p "p.n #{call_thread} #{result} #{except}"
self._result_block = result
self._exception_block = exception
self._name = name
self._continuation = \
dramatis.interface( dramatis.runtime.Scheduler.actor ) \
._continuation( self, { call_thread: call_thread } )
def test_call_except_blocks(self):
"should call exception blocks on exceptions"
class a ( dramatis.Actor ):
@property
def block_called(self): return self._block_called
@property
def exception_raised(self): return self._exception_raised
def __init__(self):
self.actor.refuse("c")
self.actor.always( "block_called", True )
self.actor.always( "exception_raised", True )
self._block_called = self._exception_raised = False
def a(self, other):
def result(r): self._block_called = True
def exception(e):
if str(e) != "hell": raise e
self._exception_raised = True
( interface( other ).continuation( { "exception": exception,
"result": result } ) ).bb()
( interface( other ).continuation( { "exception": exception,
"result": result } ) ).b()
other.c()
def enable(self):
self.actor.default("c")
def bb(self): pass
def b(self): raise Exception("hell")
def c(self): pass
a1 = a()
a2 = a()
( interface( a1 ).continuation( None ) ).a( a2 )
dramatis.Runtime.current.quiesce()
assert not a1.block_called
assert a1.exception_raised
a2.enable()
dramatis.Runtime.current.quiesce()
assert a1.block_called
def test_value_if(self):
"should have a value interface"
class O (object):
def foo(self,bar):
assert bar == "bar"
return 12345
actor = dramatis.Actor(O())
future_name = dramatis.future( actor )
x = future_name.foo("bar")
assert isinstance(x,dramatis.Future)
x = dramatis.interface( x ).value
assert isinstance(x,int)
assert x == 12345
def test_block_block_conts_rpc_no_threading( self ):
"should block block continuations during an rpc w/o call threading"
class a ( dramatis.Actor ):
@property
def block_called(self): return self._block_called
def __init__(self):
self._block_called = False
self.actor.refuse("c")
self.actor.always( "block_called", True )
def a(self, other):
def block ( c ):
self._block_called = True
( interface( other ).continuation( block ) ).b()
other.c()
def enable(self):
self.actor.default("c")
def b(self): pass
def c(self): pass
a1 = a()
a2 = a()
( interface( a1 ).continuation( None ) ).a( a2 )
dramatis.Runtime.current.quiesce()
assert not a1.block_called
a2.enable()
dramatis.Runtime.current.quiesce()
assert a1.block_called
def test_allow_exec_blocks(self):
"should allow and execute block continuations"
class O (object):
def foo(self,arg):
assert arg == "bar"
return "foobar"
actor = O()
name = dramatis.Actor(actor)
result = []
def block(value):
result[:] = [value]
retval = dramatis.interface( name ).continuation(block).foo( "bar" )
assert retval == None
assert result == []
assert result == []
dramatis.Runtime.current.quiesce()
assert result == ["foobar"]
def test_refuse(self):
"should obey refuse"
class a ( dramatis.Actor ):
def __init__(self):
# warning("REFUSE")
self.actor.refuse( "fromB" )
class b ( dramatis.Actor ):
def __init__( self, anA ):
self._anA = anA
def startB( self ):
self._anA.fromB()
anA = a()
aB = b( anA )
( interface( aB ).continuation( None ) ).startB()
dramatis.Runtime.current.warnings = False
okay = False
try:
# warning("before at_exti")
dramatis.Runtime.current.at_exit()
# warning("after at_exti")
raise Exception("should not be reached")
except dramatis.error.Uncaught, u: okay = True
assert okay
dramatis.Runtime.current.warnings = True
dramatis.Runtime.reset()
def __radd__(self,that):
return that + dramatis.interface(self).value
def __add__(self,that):
return dramatis.interface(self).value + that
def exception( self, exception ):
try:
dramatis.interface( dramatis.release( self._name ) ).exception( exception )
except Exception, e:
print_exc()
raise e
def test_rpc_binds_return_name(self):
"rpc binds should return an actor name"
name = dramatis.Actor()
retval = dramatis.interface( name ).bind( dict() )
assert isinstance(retval,dramatis.Actor.Name)
def test_block_if_non_threading(self):
'''should block calls when in an rpc is inflight and
there is no call threading'''
class a ( dramatis.Actor ):
def __init__( self ):
self.actor.refuse( "fromB" )
def _fromB( self ): pass
def allow(self):
self.actor.default( "fromB" )
self.fromB = self._fromB
class b ( dramatis.Actor ):
def __init__(self, anA):
self._anA = anA
self._count = 0
self.actor.always( "count", True )
def startB( self ):
self._anA.fromB()
@property
def count( self ):
return self._count
def increment(self):
self._count += 1
def shouldDeadlock(self): pass
anA = a()
aB = b(anA)
aB_cast = interface( aB ).continuation( None )
assert aB.count == 0
aB.increment()
assert aB.count == 1
aB_cast.increment()
dramatis.Runtime.current.quiesce()
assert aB.count == 2
aB_cast.startB()
aB_cast.increment()
dramatis.Runtime.current.quiesce()
assert aB.count == 2
assert len( dramatis.Runtime.current.exceptions() ) == 0
dramatis.Runtime.current.warnings = False
okay = False
try:
aB.shouldDeadlock()
raise Exception("should not be reached")
except dramatis.Deadlock: okay = True
assert okay
okay = False
try:
dramatis.Runtime.current.quiesce()
raise Exception("should not be reached")
except dramatis.error.Uncaught: okay = True
assert okay
dramatis.Runtime.current.warnings = True
assert len( dramatis.Runtime.current.exceptions() ) == 2
dramatis.Runtime.current.clear_exceptions()
assert len( dramatis.Runtime.current.exceptions() ) == 0
assert aB.count == 2
anA.allow()
aB_cast.startB()
aB_cast.increment()
dramatis.Runtime.current.quiesce()
assert aB.count == 3
def test_delv_releases(self):
class O (object):
def foo(self,arg):
assert arg == "bar"
name = dramatis.Actor( O() )
dramatis.interface( name ).continuation(None).foo("bar")
def ready(self):
# warning( "hi " + str(dramatis.interface( self._future ).ready))
# raise "hell"
return dramatis.interface( self._future ).ready
def value(self):
return dramatis.interface( self._future ).value
def test_refuse_default(self):
"should obey refuse and then recover with default"
class a ( dramatis.Actor ):
def __init__(self):
self.actor.refuse( "fromB" )
def _fromB(self): pass
def allow(self):
self.actor.default( "fromB" )
self.fromB = self._fromB
class b ( dramatis.Actor ):
def __init__( self, anA ):
self._anA = anA
self._count = 0
self.actor.always( "count", True )
def startB( self ):
self._anA.fromB()
@property
def count( self ):
# warning( "returning " + str( self._count ) )
return self._count
def increment( self ):
self._count += 1
return self._count
anA = a()
aB = b( anA )
aB_cast = interface( aB ).continuation( None )
assert aB.count == 0
aB.increment()
assert aB.count == 1
aB_cast.increment()
dramatis.Runtime.current.quiesce()
assert aB.count == 2
# warning( "a" )
aB_cast.startB()
# warning( "b" )
aB_cast.increment()
# warning( "c" )
dramatis.Runtime.current.quiesce()
# warning( "here " + str(aB.count ) )
assert aB.count == 2
anA.allow()
dramatis.Runtime.current.quiesce()
assert aB.count == 3
