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Commit 79615d1c authored by Benjamin Peterson's avatar Benjamin Peterson
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unbreak test_cprofile

parent 6fa10fb7
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Showing with 72 additions and 130 deletions
Lib/test/regrtest.py
View file @ 79615d1c
......@@ -1137,7 +1137,6 @@ class _ExpectedSkips:
# These are broken tests, for now skipped on every platform.
# XXX Fix these!
self.expected.add('test_cProfile')
self.expected.add('test_nis')
# expected to be skipped on every platform, even Linux
......
Lib/test/test_cProfile.py deleted 100644 → 0
View file @ 6fa10fb7
"""Test suite for the cProfile module."""
import cProfile, pstats, sys
# 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
# IMPORTANT: this is an output test. *ALL* NUMBERS in the expected
# output are relevant. If you change the formatting of pstats,
# please don't just regenerate output/test_cProfile without checking
# very carefully that not a single number has changed.
def test_main():
global ticks
ticks = 42000
prof = cProfile.Profile(timer, 0.001)
prof.runctx("testfunc()", globals(), locals())
assert ticks == 43000, ticks
st = pstats.Stats(prof)
st.strip_dirs().sort_stats('stdname').print_stats()
st.print_callees()
st.print_callers()
def timer():
return ticks
def testfunc():
# 1 call
# 1000 ticks total: 270 ticks local, 730 ticks in subfunctions
global ticks
ticks += 99
helper() # 300
helper() # 300
ticks += 171
factorial(14) # 130
def factorial(n):
# 23 calls total
# 170 ticks total, 150 ticks local
# 3 primitive calls, 130, 20 and 20 ticks total
# including 116, 17, 17 ticks local
global ticks
if n > 0:
ticks += n
return mul(n, factorial(n-1))
else:
ticks += 11
return 1
def mul(a, b):
# 20 calls
# 1 tick, local
global ticks
ticks += 1
return a * b
def helper():
# 2 calls
# 300 ticks total: 20 ticks local, 260 ticks in subfunctions
global ticks
ticks += 1
helper1() # 30
ticks += 2
helper1() # 30
ticks += 6
helper2() # 50
ticks += 3
helper2() # 50
ticks += 2
helper2() # 50
ticks += 5
helper2_indirect() # 70
ticks += 1
def helper1():
# 4 calls
# 30 ticks total: 29 ticks local, 1 tick in subfunctions
global ticks
ticks += 10
hasattr(C(), "foo") # 1
ticks += 19
lst = []
lst.append(42) # 0
sys.exc_info() # 0
def helper2_indirect():
helper2() # 50
factorial(3) # 20
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): # 0
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_main():
from test.support import TestSkipped
raise TestSkipped('test_cProfile test is current broken')
if __name__ == "__main__":
test_main()
Lib/test/test_cprofile.py 0 → 100644
View file @ 79615d1c
"""Test suite for the cProfile module."""
import sys
from test.support import run_unittest
# rip off all interesting stuff from test_profile
import cProfile
from test.test_profile import ProfileTest, regenerate_expected_output
class CProfileTest(ProfileTest):
profilerclass = cProfile.Profile
def test_main():
run_unittest(CProfileTest)
def main():
if '-r' not in sys.argv:
test_main()
else:
regenerate_expected_output(__file__, CProfileTest)
# Don't remove this comment. Everything below it is auto-generated.
#--cut--------------------------------------------------------------------------
CProfileTest.expected_output['print_stats'] = """\
28 0.028 0.001 0.028 0.001 profilee.py:110(__getattr__)
1 0.270 0.270 1.000 1.000 profilee.py:25(testfunc)
23/3 0.150 0.007 0.170 0.057 profilee.py:35(factorial)
20 0.020 0.001 0.020 0.001 profilee.py:48(mul)
2 0.040 0.020 0.600 0.300 profilee.py:55(helper)
4 0.116 0.029 0.120 0.030 profilee.py:73(helper1)
2 0.000 0.000 0.140 0.070 profilee.py:84(helper2_indirect)
8 0.312 0.039 0.400 0.050 profilee.py:88(helper2)
8 0.064 0.008 0.080 0.010 profilee.py:98(subhelper)"""
CProfileTest.expected_output['print_callers'] = """\
profilee.py:110(__getattr__) <- 16 0.016 0.016 profilee.py:98(subhelper)
profilee.py:25(testfunc) <- 1 0.270 1.000 <string>:1(<module>)
profilee.py:35(factorial) <- 1 0.014 0.130 profilee.py:25(testfunc)
20/3 0.130 0.147 profilee.py:35(factorial)
2 0.006 0.040 profilee.py:84(helper2_indirect)
profilee.py:48(mul) <- 20 0.020 0.020 profilee.py:35(factorial)
profilee.py:55(helper) <- 2 0.040 0.600 profilee.py:25(testfunc)
profilee.py:73(helper1) <- 4 0.116 0.120 profilee.py:55(helper)
profilee.py:84(helper2_indirect) <- 2 0.000 0.140 profilee.py:55(helper)
profilee.py:88(helper2) <- 6 0.234 0.300 profilee.py:55(helper)
2 0.078 0.100 profilee.py:84(helper2_indirect)
profilee.py:98(subhelper) <- 8 0.064 0.080 profilee.py:88(helper2)
{built-in method exc_info} <- 4 0.000 0.000 profilee.py:73(helper1)
{built-in method hasattr} <- 4 0.000 0.004 profilee.py:73(helper1)
8 0.000 0.008 profilee.py:88(helper2)
{method 'append' of 'list' objects} <- 4 0.000 0.000 profilee.py:73(helper1)"""
CProfileTest.expected_output['print_callees'] = """\
<string>:1(<module>) -> 1 0.270 1.000 profilee.py:25(testfunc)
profilee.py:110(__getattr__) ->
profilee.py:25(testfunc) -> 1 0.014 0.130 profilee.py:35(factorial)
2 0.040 0.600 profilee.py:55(helper)
profilee.py:35(factorial) -> 20/3 0.130 0.147 profilee.py:35(factorial)
20 0.020 0.020 profilee.py:48(mul)
profilee.py:48(mul) ->
profilee.py:55(helper) -> 4 0.116 0.120 profilee.py:73(helper1)
2 0.000 0.140 profilee.py:84(helper2_indirect)
6 0.234 0.300 profilee.py:88(helper2)
profilee.py:73(helper1) -> 4 0.000 0.000 {built-in method exc_info}
profilee.py:84(helper2_indirect) -> 2 0.006 0.040 profilee.py:35(factorial)
2 0.078 0.100 profilee.py:88(helper2)
profilee.py:88(helper2) -> 8 0.064 0.080 profilee.py:98(subhelper)
profilee.py:98(subhelper) -> 16 0.016 0.016 profilee.py:110(__getattr__)
{built-in method hasattr} -> 12 0.012 0.012 profilee.py:110(__getattr__)"""
if __name__ == "__main__":
main()
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