/usr/lib/python3/dist-packages/SimPy/test/test_monitor.py is in python3-simpy 2.3.1+dfsg-1.
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from SimPy.Simulation import *
from random import *
class Thing(Process):
""" Thing process for testing Monitors in simulation"""
def __init__(self, M = None, name = 'Thing',sim=None):
Process.__init__(self,name=name,sim=sim)
self.y = 0.0
self.M = M
def execute(self):
DEBUG = 0
self.y = 0.0
if DEBUG:
print(self.name, self.sim.now(),self.y)
self.M.observe(self.y)
yield hold, self, 10.0
self.y = 10
if DEBUG:
print(self.name, self.sim.now(),self.y)
self.M.observe(self.y)
yield hold, self, 10.0
self.y = 5
if DEBUG:
print(self.name, self.sim.now(),self.y)
self.M.observe(self.y)
# Monitor tests
# -------------
def test_observe():
"""Tests Monitor.observe"""
m = Monitor(name = 'First')
for i in range(10):
m.observe(2 * i, i)
assert m == [[i, 2 * i] for i in range(10)],'series wrong'
assert m.name == 'First', 'name wrong'
assert m.tseries() == tuple(range(10)),'tseries wrong:%s' % (m.tseries(),)
assert m.yseries() == tuple(2 * i for i in range(10)),'yseries wrong:%s' % (m.yseries(),)
assert m.total() == 90, 'total wrong:%s'%m.total()
assert m.mean() == 9.0, 'mean wrong:%s'%m.mean()
assert m.var() == (4 * 285.-(90 * 90 / 10.0)) / 10.0, 'sample var wrong: %s' % (m.var(),)
def test_observe_no_time():
"""Observe with time being picked up from now()"""
s = Simulation()
s.initialize()
m = Monitor(name = 'No time',sim=s)
t = Thing(m,sim=s)
s.activate(t, t.execute(),0.0)
s.simulate(until = 20.0)
assert m.yseries() == (0, 10, 5),'yseries wrong:%s' % (m.yseries(),)
assert m.tseries() == (0, 10, 20),'tseries wrong:%s' % (m.tseries(),)
assert m.total() == 15, 'total wrong:%s'%m.total()
assert m.timeAverage(10.0) == 5.0, 'time average is wrong: %s'%m.timeAverage(10.0)
def test_observe_tally():
"""Tally.observe without time values"""
m = Tally(name = 'tallier')
for i in range(10):
m.observe(2 * i)
assert m == [[0, 2 * i] for i in range(10)],'series wrong'
assert m.total() == 90, 'total wrong:%s'%m.total()
assert m.mean() == 9.0, 'mean wrong:%s'%m.mean()
assert m.var() == (4 * 285.-(90 * 90 / 10.0)) / 10.0, 'sample var wrong: %s' % (m.var(),)
def test_time_average():
"""Tests time averages"""
# old version
m = Monitor(name = 'First')
for i in range(10):
m.observe(2 * i, i)
assert m == [[i, 2 * i] for i in range(10)],'series wrong'
assert m.timeAverage(10.0) == 9.0, 'time average is wrong: %s'%m.timeAverage(10)
m2 = Monitor(name = 'second')
T = [0, 1,4, 5]
Y = [1, 2,1, 0]
for t, y in zip(T, Y):
m2.observe(y, t)
assert m2.timeAverage(5.0) == 8.0 / 5, 'm2 time average is wrong: %s'%m2.timeAverage(5)
# now the new recursive version
#m = self.M
#assert m.newtimeAverage(10.0) == 9.0, 'm1: new time average wrong: %s'%m.newtimeAverage(10)
#m2 = self.M2
#assert m2.newtimeAverage(5.0) == 8.0 / 5, 'm2: new time average wrong: %s'%m2.newtimeAverage(5.0)
def test_time_variance():
"""test time - weighted variance"""
m = Monitor(name = 'First')
for i in range(10):
m.observe(2 * i, i)
assert m == [[i, 2 * i] for i in range(10)],'series wrong'
assert abs(m.timeVariance(10.0) - 33) < 0.0001, 'time - weighted variance is wrong: %s'%m.timeVariance(10.0)
m2 = Monitor(name = 'second')
T = [0, 1,4, 5]
Y = [1, 2,1, 0]
for t, y in zip(T, Y):
m2.observe(y, t)
assert abs(m2.timeVariance(5) - 6.0 / 25) < 0.0001, 'time - weighted variance is wrong: %s'%m2.timeVariance(5)
def test_reset():
"""test time averages"""
m = Monitor(name = 'First')
for i in range(10):
m.observe(2 * i, i)
m.reset(t = 10.0)
assert m.startTime == 10.0, 'reset time wrong'
assert m == [],'reset series wrong: %s' % (m,)
def test_tally():
"""Tests the tally function of monitor"""
m = Monitor(name = 'First')
S = []
for i in range(10):
m.tally(i)
S.append([0, i])
assert m == S, 'Stored series is wrong: %s' % (m,)
assert m.name == 'First', 'Tally name wrong'
assert m.total() == 45, 'Tally total wrong'
assert m.mean() == 4.5, 'Tally mean wrong'
assert m.var() == (285 - (45 * 45 / 10.0)) / 10.0, 'Tally sample var wrong %s' % (m.var(),)
def test_accumulate():
"""Tests the accumulation function of monitor"""
m2 = Monitor(name = 'Second')
assert m2.startTime == 0, 'accum startTime wrong'
for i in range(5):
m2.accum(10, i) # this is (y, t)
assert m2.total() == 50, 'accum total wrong:%s' % (m2.total(),)
assert m2.startTime == 0, 'accum startTime wrong'
assert m2.timeAverage(5.0) == 10.0, 'accum timeAverage wrong:%s' % (m2.timeAverage(10.0),)
## test reset
m2.reset(10)
assert m2 == [],'accum reset list wrong:%s' % (m2,)
assert m2.total() == 0.0, 'accum reset total wrong'
assert m2.startTime == 10, 'accum startTime wrong'
def test_accumulate_in_time():
"""Tests accumulation over simulation time"""
s=Simulation()
s.initialize()
m3 = Monitor(name = 'third',sim=s)
T3 = Thing(name = 'Job', M = m3,sim=s)
assert m3.startTime == 0, 'Accumulate startTime wrong'
s.activate(T3, T3.execute(),0.0)
s.simulate(until = 30.0)
assert m3.startTime == 0, 'Accumulate startTime wrong'
def test_list_stuff():
"""Test some Monitor list operations"""
m = Monitor(name = 'First')
for i in range(10):
m.observe(2 * i, i)
shouldBe = [[i, 2 * i] for i in range(10)]
assert shouldBe == m, 'M list is wrong'
assert [2, 4] == m[2], 'indexing wrong:%s' % (m[2],)
m[0] = [10, 10]
assert [10, 10] == m[0], 'item replacement wrong:%s' % (m[0],)
m.reverse()
assert [10, 10] == m[-1], 'list reverse wrong:%s' % (m[-1],)
m.sort()
assert [1, 2] == m[0], 'list sort wrong:%s' % (m[0],)
assert 10 == len(m), 'list length wrong'
assert [2, 4] in m, 'item in list wrong'
def test_histogram():
"""Test Monitor histogram"""
m = Monitor(name = 'First')
for y in [-5, 0, 5, 15, 99, 105, 120]:m.observe(y)
h = m.histogram(low = 0.0, high = 100.0, nbins = 10)
shouldBe = list(zip(*h))[1]
assert shouldBe == (1, 2,1, 0,0, 0,0, 0,0, 0,1, 2), 'm histogram is wrong: %s' % (shouldBe,)
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