mirror of https://github.com/python/cpython
120 lines
2.8 KiB
Python
120 lines
2.8 KiB
Python
"""Test suite for the profile module."""
|
|
|
|
import profile
|
|
import os
|
|
from test.test_support import TESTFN, vereq
|
|
|
|
# In order to have reproducible time, we simulate a timer in the global
|
|
# variable 'ticks', which represents simulated time in milliseconds.
|
|
# (We can't use a helper function increment the timer since it would be
|
|
# included in the profile and would appear to consume all the time.)
|
|
ticks = 0
|
|
|
|
def test_1():
|
|
global ticks
|
|
ticks = 0
|
|
prof = profile.Profile(timer)
|
|
prof.runctx("testfunc()", globals(), globals())
|
|
prof.print_stats()
|
|
|
|
def timer():
|
|
return ticks*0.001
|
|
|
|
def testfunc():
|
|
# 1 call
|
|
# 1000 ticks total: 400 ticks local, 600 ticks in subfunctions
|
|
global ticks
|
|
ticks += 199
|
|
helper() # 300
|
|
helper() # 300
|
|
ticks += 201
|
|
|
|
def helper():
|
|
# 2 calls
|
|
# 300 ticks total: 40 ticks local, 260 ticks in subfunctions
|
|
global ticks
|
|
ticks += 1
|
|
helper1() # 30
|
|
ticks += 3
|
|
helper1() # 30
|
|
ticks += 6
|
|
helper2() # 50
|
|
ticks += 5
|
|
helper2() # 50
|
|
ticks += 4
|
|
helper2() # 50
|
|
ticks += 7
|
|
helper2() # 50
|
|
ticks += 14
|
|
|
|
def helper1():
|
|
# 4 calls
|
|
# 30 ticks total: 29 ticks local, 1 tick in subfunctions
|
|
global ticks
|
|
ticks += 10
|
|
hasattr(C(), "foo")
|
|
ticks += 19
|
|
|
|
def helper2():
|
|
# 8 calls
|
|
# 50 ticks local: 39 ticks local, 11 ticks in subfunctions
|
|
global ticks
|
|
ticks += 11
|
|
hasattr(C(), "bar") # 1
|
|
ticks += 13
|
|
subhelper() # 10
|
|
ticks += 15
|
|
|
|
def subhelper():
|
|
# 8 calls
|
|
# 10 ticks total: 8 ticks local, 2 ticks in subfunctions
|
|
global ticks
|
|
ticks += 2
|
|
for i in range(2):
|
|
try:
|
|
C().foo # 1 x 2
|
|
except AttributeError:
|
|
ticks += 3 # 3 x 2
|
|
|
|
class C:
|
|
def __getattr__(self, name):
|
|
# 28 calls
|
|
# 1 tick, local
|
|
global ticks
|
|
ticks += 1
|
|
raise AttributeError
|
|
|
|
|
|
def test_2():
|
|
d = globals().copy()
|
|
def testfunc():
|
|
global x
|
|
x = 1
|
|
d['testfunc'] = testfunc
|
|
profile.runctx("testfunc()", d, d, TESTFN)
|
|
vereq (x, 1)
|
|
os.unlink (TESTFN)
|
|
|
|
def test_3():
|
|
result = []
|
|
def testfunc1():
|
|
try: len(None)
|
|
except: pass
|
|
try: len(None)
|
|
except: pass
|
|
result.append(True)
|
|
def testfunc2():
|
|
testfunc1()
|
|
testfunc1()
|
|
profile.runctx("testfunc2()", locals(), locals(), TESTFN)
|
|
vereq(result, [True, True])
|
|
os.unlink(TESTFN)
|
|
|
|
def test_main():
|
|
test_1()
|
|
test_2()
|
|
test_3()
|
|
|
|
if __name__ == "__main__":
|
|
test_main()
|