def test_look_up_bindings_in_parent(self):
env1 = Environment()
env1.define("my_var", 4)
env2 = env1.create_local_environment()
env3 = env2.create_local_environment()
self.assertEqual(env3.look_up("my_var"), 4)
def test_look_up_bindings_in_parent(self):
env1 = Environment()
env1.define("my_var", 4)
env2 = env1.create_local_environment()
env3 = env2.create_local_environment()
self.assertEqual(env3.look_up("my_var"), 4)
def test_look_up_masked_bindings(self):
env1 = Environment()
env1.define("my_var", 8)
env2 = env1.create_local_environment()
env2.define("my_var", 7)
env3 = env2.create_local_environment()
env3.define("my_var", 6)
self.assertEqual(env1.look_up("my_var"), 8)
self.assertEqual(env2.look_up("my_var"), 7)
self.assertEqual(env3.look_up("my_var"), 6)
def test_look_up_masked_bindings(self):
env1 = Environment()
env1.define("my_var", 8)
env2 = env1.create_local_environment()
env2.define("my_var", 7)
env3 = env2.create_local_environment()
env3.define("my_var", 6)
self.assertEqual(env1.look_up("my_var"), 8)
self.assertEqual(env2.look_up("my_var"), 7)
self.assertEqual(env3.look_up("my_var"), 6)
class Simulation:
"""
Represent the general simulation, including the current schedule and the associated trace
"""
# TODO: This should inherits from SimulatedEntity as well
def __init__(self, storage):
self._storage = storage
self._scheduler = Scheduler()
self.environment = Environment()
self.environment.define(Symbols.SIMULATION, self)
self._next_request_id = 1
self.factory = Factory()
def run_until(self, end, display=None):
self._scheduler.simulate_until(end, display)
@property
def log(self):
return self._storage.log
@property
def schedule(self):
return self._scheduler
def evaluate(self, expression, continuation=lambda x: x):
return Evaluation(self.environment, expression, self.factory,
continuation).result
def next_request_id(self):
id = self._next_request_id
self._next_request_id += 1
return id
@property
def services(self):
return self._find_by_type(Service)
@property
def clients(self):
return self._find_by_type(ClientStub)
def _find_by_type(self, type):
return [
each_value
for each_value in list(self.environment.bindings.values())
if isinstance(each_value, type)
]
class Simulation:
"""
Represent the general simulation, including the current schedule and the associated trace
"""
# TODO: This should inherits from SimulatedEntity as well
def __init__(self, storage):
self._storage = storage
self._scheduler = Scheduler()
self.environment = Environment()
self.environment.define(Symbols.SIMULATION, self)
self._next_request_id = 1
self.factory = Factory()
def run_until(self, end, display=None):
self._scheduler.simulate_until(end, display)
@property
def log(self):
return self._storage.log
@property
def schedule(self):
return self._scheduler
def evaluate(self, expression, continuation=lambda x: x):
return Evaluation(self.environment, expression, self.factory, continuation).result
def next_request_id(self):
id = self._next_request_id
self._next_request_id += 1
return id
@property
def services(self):
return self._find_by_type(Service)
@property
def clients(self):
return self._find_by_type(ClientStub)
def _find_by_type(self, type):
return [each_value
for each_value in self.environment.bindings.values()
if isinstance(each_value, type)]
def test_look_up_a_missing_binding(self):
env1 = Environment()
env1.define("var1", 5)
self.assertIsNone(env1.look_up("missing_symbol"))
def test_look_up_a_missing_binding(self):
env1 = Environment()
env1.define("var1", 5)
self.assertIsNone(env1.look_up("missing_symbol"))
