class TestEntity(crest.Entity):
res = crest.Resource("float-resource", crest.Types.REAL)
listres = crest.Resource("list-res", ["first", "TWO", "3.14abc"])
port = crest.Local(resource=res, value=314.13)
port2 = crest.Local(resource=listres, value="TWO")
state = current = crest.State()
state2 = crest.State()
class TestEntity(crest.Entity):
state = current = crest.State()
local = crest.Local(res, 9999)
local2 = crest.Local(res, 8888)
sub1 = TestSubEntity()
sub2 = TestSubEntity()
class RootType(crest.Entity):
stateA = current = crest.State()
stateB = crest.State()
inport = crest.Input(crest.Resource("watt", crest.REAL), 0)
local = crest.Local(crest.Resource("watt", crest.REAL), 1234)
local2 = crest.Local(crest.Resource("watt", crest.REAL), 1234)
outport = crest.Output(crest.Resource("watt", crest.REAL), 3.14)
trans = crest.Transition(source=stateA, target=stateB, guard=(lambda self: False))
inf = crest.Influence(source=inport, target=local, function=(lambda value: value * 2 + 15))
up = crest.Update(state=stateA, target=outport, function=(lambda self: 1337))
action = crest.Action(transition=trans, target=local2, function=(lambda self: self.local2 + 1))
class TestEntity(crest.Entity):
res = crest.Resource("float-resource", crest.Types.REAL)
port = crest.Local(resource=res, value=3)
secondPort = crest.Local(resource=res, value=3)
count = crest.Local(resource=res, value=2)
init = current = crest.State()
other = crest.State()
otherother = crest.State()
count_state = crest.State()
@crest.transition(source=init, target=other)
def t1a(self):
return self.port.value >= 10
@crest.transition(source=init, target=otherother)
def t1b(self):
return self.port.value >= 10
@crest.transition(source=other, target=count_state)
def t2a(self):
return self.port.value >= 30
@crest.transition(source=otherother, target=count_state)
def t2b(self):
return self.port.value >= 50
@crest.transition(source=count_state, target=init)
def t_count(self):
return True
@crest.update(state=[init, other], target=port)
def increase_port(self, dt):
return self.port.value + dt
@crest.update(state=[init, other, otherother], target=secondPort)
def increase_secondport(self, dt):
return self.secondPort.value + dt
@crest.update(state=otherother, target=port)
def increase_port_otherother(self, dt):
return self.port.value + 2 * dt
@crest.update(state=count_state, target=count)
def update_count(self, dt):
return self.count.value + 1
@crest.update(state=count_state, target=port)
def reset_port(self, dt):
return 0
class TestSubEntity(crest.Entity):
state = current = crest.State()
port_in = crest.Input(res, 111)
port_in2 = crest.Input(res, 222)
local = crest.Local(res, 9999)
port_out = crest.Output(res, 11111)
port_out2 = crest.Output(res, 22222)
class GerminationBox(crest.Entity):
switch = crest.Input(resource=onOff, value="on")
temperature = crest.Local(resource=celsius, value=22)
state = current = crest.State()
@crest.update(state=state, target=temperature)
def update_temp(self, dt):
if self.switch.value == "on":
# don't exceed 40 (this is the maximum temperature)
return min(40, self.temperature.value + 0.5 * dt)
else:
# don't go below 22 (minimum = current room temperature)
return max(22, self.temperature.value - 0.25 * dt)
def test_target_parent_is_None_throws_error(self):
class SubClass(self.testclass):
def __init__(self):
pass
local = crest.Local(crest.Resource("dummy", crest.REAL), 12345)
testentity = SubClass()
with self.assertRaises(ValueError) as context:
api.relay(my_relay=(testentity.sub1.port_in, local))
self.assertEqual(
str(context.exception),
"Either the source or the target port are not inside an entity")
class TestSystem(crest.Entity):
switch = crest.Input(resource=onOff, value="on")
timer = crest.Local(resource=res_time, value=0)
germinationbox_one = GerminationBox()
germinationbox_two = GerminationBox()
off = current = crest.State()
on = crest.State()
pause = crest.State()
boxOne = crest.State()
boxTwo = crest.State()
# transitions
@crest.transition(source=[on, boxOne, boxTwo, pause], target=off)
def on_to_off(self):
return self.switch.value == "off"
@crest.transition(source=off, target=on)
def off_to_on(self):
return self.switch.value == "on"
@crest.transition(source=[boxOne, boxTwo, pause], target=on)
def return_to_on(self):
return self.timer.value <= 0
@crest.transition(source=on, target=[boxOne, boxTwo])
def on_to_box(self):
return self.timer.value <= 0
@crest.transition(source=on, target=pause)
def on_to_pause(self):
return self.timer.value <= 0
""" updates """
@crest.update(state=[on, boxOne, boxTwo, pause], target=timer)
def reduce_timer(self, dt):
return max(0, self.timer.value - dt)
@crest.update(state=boxOne, target=germinationbox_one.switch)
def turn_on_boxOne(self, dt):
return "on"
@crest.update(state=[on, pause, off, boxTwo],
target=germinationbox_one.switch)
def turn_off_boxOne(self, dt):
return "off"
@crest.update(state=boxTwo, target=germinationbox_two.switch)
def turn_on_boxTwo(self, dt):
return "on"
@crest.update(state=[on, pause, off, boxOne],
target=germinationbox_two.switch)
def turn_off_boxTwo(self, dt):
return "off"
""" transition actions """
@crest.action(transition=off_to_on, target=timer)
def set_timer_zero_when_turn_on(self):
return 0
@crest.action(transition=on_to_box, target=timer)
def set_timer_thirty(self):
return 30
@crest.action(transition=on_to_pause, target=timer)
def set_timer_ten(self):
return 10
class Test(crest.Entity):
in1 = crest.Input(resource=res, value=0)
in2 = crest.Input(resource=res, value=0)
local = crest.Local(resource=res, value=0)
out = crest.Output(resource=res, value=0)