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soil/tests/test_time.py
J. Fernando Sánchez 227fdf050e Fix conditionals
2022-10-17 19:29:39 +02:00

75 lines
2.0 KiB
Python

from unittest import TestCase
from soil import time, agents, environment
class TestMain(TestCase):
def test_cond(self):
'''
A condition should match a When if the concition is True
'''
t = time.Cond(lambda t: True)
f = time.Cond(lambda t: False)
for i in range(10):
w = time.When(i)
assert w == t
assert w is not f
def test_cond(self):
'''
Comparing a Cond to a Delta should always return False
'''
c = time.Cond(lambda t: False)
d = time.Delta(1)
assert c is not d
def test_cond_env(self):
'''
'''
times_started = []
times_awakened = []
times = []
done = 0
class CondAgent(agents.BaseAgent):
def step(self):
nonlocal done
times_started.append(self.now)
while True:
yield time.Cond(lambda agent: agent.model.schedule.time >= 10)
times_awakened.append(self.now)
if self.now >= 10:
break
done += 1
env = environment.Environment(agents=[{'agent_class': CondAgent}])
while env.schedule.time < 11:
env.step()
times.append(env.now)
assert env.schedule.time == 11
assert times_started == [0]
assert times_awakened == [10]
assert done == 1
# The first time will produce the Cond.
# Since there are no other agents, time will not advance, but the number
# of steps will.
assert env.schedule.steps == 12
assert len(times) == 12
while env.schedule.time < 12:
env.step()
times.append(env.now)
assert env.schedule.time == 12
assert times_started == [0, 11]
assert times_awakened == [10, 11]
assert done == 2
# Once more to yield the cond, another one to continue
assert env.schedule.steps == 14
assert len(times) == 14