def test_rt_slow_sim_default_behavior(log):
"""By default, SimPy should raise an error if a simulation is too
slow for the selected real-time factor."""
env = RealtimeEnvironment(factor=0.05)
env.process(process(env, log, 0.1, 1))
err = pytest.raises(RuntimeError, env.run, 3)
assert 'Simulation too slow for real time (0.05' in err.value.args[0]
assert log == []
def test_rt_sync(log):
"""Test resetting the internal wall-clock reference time."""
env = RealtimeEnvironment(factor=0.05)
env.process(process(env, log, 0.01))
time.sleep(0.06) # Simulate massiv workload :-)
env.sync()
env.run(3)
def __init__(self):
frequencyBand = FrequencyBand([FsplAttenuation])
super(InvertedPendulumEnv, self).__init__(frequencyBand, deviceCount=2)
# Observation depends on plant angle
self.observation_space = spaces.Discrete(180)
# Realtime environment for visualization
SimMan.env = RealtimeEnvironment()
# Setup plant and devices
plant = SlidingPendulum(visualized=True)
controller = InvertedPendulumPidController("Controller", 0, -1,
frequencyBand)
sensor = AngleSensor("Sensor", frequencyBand, plant,
controller.macAddr, 0.001) # 1 ms sample interval
controller.sensorAddr = sensor.macAddr
actuator = WagonActuator("Actuator", frequencyBand, plant)
controller.actuatorAddr = actuator.macAddr
self.plant = plant
self.sensor = sensor
self.actuator = actuator
self.controller = controller
self.deviceIndexToMacDict = {0: sensor.macAddr, 1: controller.macAddr}
interpreter = InvertedPendulumInterpreter(self)
self.rrm = SimpleRrmDevice("RRM", 0, 1, self.frequencyBand,
self.deviceIndexToMacDict, interpreter)
def test_rt_sync(log):
"""Test resetting the internal wall-clock reference time."""
env = RealtimeEnvironment(factor=0.05)
env.process(process(env, log, 0.01))
time.sleep(0.06) # Simulate massiv workload :-)
env.sync()
env.run(3)
def test_rt_slow_sim_no_error(log):
"""Test ignoring slow simulations."""
env = RealtimeEnvironment(factor=0.05, strict=False)
env.process(process(env, log, 0.1, 1))
start = monotonic()
env.run(2)
duration = monotonic() - start
assert check_duration(duration, 2 * 0.1)
assert log == [1]
def test_rt(log, factor):
"""Basic tests for run()."""
env = RealtimeEnvironment(factor=factor)
env.process(process(env, log, 0.01, 1))
env.process(process(env, log, 0.02, 1))
start = monotonic()
env.run(2)
duration = monotonic() - start
assert check_duration(duration, 2 * factor)
assert log == [1, 1]
def test_rt_multiple_call(log):
"""Test multiple calls to run()."""
env = RealtimeEnvironment(factor=0.05)
start = monotonic()
env.process(process(env, log, 0.01, 2))
env.process(process(env, log, 0.01, 3))
env.run(5)
duration = monotonic() - start
# assert almost_equal(duration, 0.2)
assert check_duration(duration, 5 * 0.05)
assert log == [2, 3, 4]
env.run(12)
duration = monotonic() - start
assert check_duration(duration, 12 * 0.05)
assert log == [2, 3, 4, 6, 6, 8, 9, 10]
task_instance = task.popleft()
finished = env.process(cpu.run_task_instance(task_instance))
yield cpu.free
if len(task):
env.process(schedule(env, task, cpu))
if __name__ == "__main__":
from simpy.rt import RealtimeEnvironment
from simulations.job import Task
from simulations.config import TaskConfig
from collections import deque
from simulations.config import LOG_BASE
# print(LOG_BASE)
cpu_config = CPUConfig(speed=1,
frequency=2.3e9,
cache=4e6,
power_consumption=65,
runtime=None)
env = RealtimeEnvironment(factor=0.01, strict=False)
cpu = CPU(cpu_config, env)
task = deque([])
taskconfigs = []
for i in range(10):
taskconfigs.append([i, 3000000, 20, None, 70, 10000, 10000, None])
taskconfig = TaskConfig(1, 0, taskconfigs)
onetask = Task(env, taskconfig)
env.process(schedule(env, deque(onetask.task_instances), cpu))
env.run()
def test_rt_illegal_until():
"""Test illegal value for *until*."""
env = RealtimeEnvironment()
err = pytest.raises(ValueError, env.run, -1)
assert err.value.args[0] == ('until(=-1.0) should be > the current '
'simulation time.')
if IS_LOG_ON:
print '{:^75}'.format('SIMTIME: {}s \n'.format(env.now))
if env.now == SIM_TIME - 1:
print_results(bottle)
yield env.timeout(1)
### CONFIG SIM ###
if IS_FAST_MODE:
from simpy import Environment
env = Environment()
else:
env = RealtimeEnvironment(strict=False)
sim_state = SimState()
bottle = Bottle(env)
### REGISTER ALL PROCESSES ###
env.process(conductor(env, bottle, sim_state))
# If running from GUI, we want to start the sim in a different thread
def start():
env.run(until=SIM_TIME)
if __name__ == '__main__':
start()
def test_run_with_untriggered_event(env):
env = RealtimeEnvironment(factor=0.05)
excinfo = pytest.raises(RuntimeError, env.run, until=env.event())
assert str(excinfo.value).startswith('No scheduled events left but "until"'
' event was not triggered:')
def test_run_with_untriggered_event(env):
env = RealtimeEnvironment(factor=0.05)
excinfo = pytest.raises(RuntimeError, env.run, until=env.event())
assert str(excinfo.value).startswith('No scheduled events left but "until"'
' event was not triggered:')
def test_rt_illegal_until():
"""Test illegal value for *until*."""
env = RealtimeEnvironment()
err = pytest.raises(ValueError, env.run, -1)
assert str(err.value) == ('until(=-1) must be > the current '
'simulation time.')
