lib-python.2.7.test.test_profile.py Maven / Gradle / Ivy
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Jython is an implementation of the high-level, dynamic, object-oriented
language Python written in 100% Pure Java, and seamlessly integrated with
the Java platform. It thus allows you to run Python on any Java platform.
"""Test suite for the profile module."""
import sys
import pstats
import unittest
from StringIO import StringIO
from test.test_support import run_unittest
import profile
from test.profilee import testfunc, timer
class ProfileTest(unittest.TestCase):
profilerclass = profile.Profile
methodnames = ['print_stats', 'print_callers', 'print_callees']
expected_output = {}
expected_list_sort_output = ':0(sort)'
@classmethod
def do_profiling(cls):
results = []
prof = cls.profilerclass(timer, 0.001)
start_timer = timer()
prof.runctx("testfunc()", globals(), locals())
results.append(timer() - start_timer)
for methodname in cls.methodnames:
s = StringIO()
stats = pstats.Stats(prof, stream=s)
stats.strip_dirs().sort_stats("stdname")
getattr(stats, methodname)()
results.append(s.getvalue())
return results
def test_cprofile(self):
results = self.do_profiling()
self.assertEqual(results[0], 1000)
for i, method in enumerate(self.methodnames):
self.assertEqual(results[i+1], self.expected_output[method],
"Stats.%s output for %s doesn't fit expectation!" %
(method, self.profilerclass.__name__))
def test_calling_conventions(self):
# Issue #5330: profile and cProfile wouldn't report C functions called
# with keyword arguments. We test all calling conventions.
stmts = [
"[].sort()",
"[].sort(reverse=True)",
"[].sort(*(None, None, True))",
"[].sort(**dict(reverse=True))",
]
for stmt in stmts:
s = StringIO()
prof = self.profilerclass(timer, 0.001)
prof.runctx(stmt, globals(), locals())
stats = pstats.Stats(prof, stream=s)
stats.print_stats()
res = s.getvalue()
self.assertIn(self.expected_list_sort_output, res,
"Profiling {0!r} didn't report list.sort:\n{1}".format(stmt, res))
def regenerate_expected_output(filename, cls):
filename = filename.rstrip('co')
print 'Regenerating %s...' % filename
results = cls.do_profiling()
newfile = []
with open(filename, 'r') as f:
for line in f:
newfile.append(line)
if line[:6] == '#--cut':
break
with open(filename, 'w') as f:
f.writelines(newfile)
for i, method in enumerate(cls.methodnames):
f.write('%s.expected_output[%r] = """\\\n%s"""\n' % (
cls.__name__, method, results[i+1]))
f.write('\nif __name__ == "__main__":\n main()\n')
def test_main():
run_unittest(ProfileTest)
def main():
if '-r' not in sys.argv:
test_main()
else:
regenerate_expected_output(__file__, ProfileTest)
# Don't remove this comment. Everything below it is auto-generated.
#--cut--------------------------------------------------------------------------
ProfileTest.expected_output['print_stats'] = """\
127 function calls (107 primitive calls) in 999.749 seconds
Ordered by: standard name
ncalls tottime percall cumtime percall filename:lineno(function)
4 -0.004 -0.001 -0.004 -0.001 :0(append)
4 -0.004 -0.001 -0.004 -0.001 :0(exc_info)
12 -0.024 -0.002 11.964 0.997 :0(hasattr)
8 -0.008 -0.001 -0.008 -0.001 :0(range)
1 0.000 0.000 0.000 0.000 :0(setprofile)
1 -0.002 -0.002 999.751 999.751 :1()
0 0.000 0.000 profile:0(profiler)
1 -0.002 -0.002 999.749 999.749 profile:0(testfunc())
28 27.972 0.999 27.972 0.999 profilee.py:110(__getattr__)
1 269.996 269.996 999.753 999.753 profilee.py:25(testfunc)
23/3 149.937 6.519 169.917 56.639 profilee.py:35(factorial)
20 19.980 0.999 19.980 0.999 profilee.py:48(mul)
2 39.986 19.993 599.814 299.907 profilee.py:55(helper)
4 115.984 28.996 119.964 29.991 profilee.py:73(helper1)
2 -0.006 -0.003 139.942 69.971 profilee.py:84(helper2_indirect)
8 311.976 38.997 399.896 49.987 profilee.py:88(helper2)
8 63.968 7.996 79.944 9.993 profilee.py:98(subhelper)
"""
ProfileTest.expected_output['print_callers'] = """\
Ordered by: standard name
Function was called by...
:0(append) <- profilee.py:73(helper1)(4) 119.964
:0(exc_info) <- profilee.py:73(helper1)(4) 119.964
:0(hasattr) <- profilee.py:73(helper1)(4) 119.964
profilee.py:88(helper2)(8) 399.896
:0(range) <- profilee.py:98(subhelper)(8) 79.944
:0(setprofile) <- profile:0(testfunc())(1) 999.749
:1() <- profile:0(testfunc())(1) 999.749
profile:0(profiler) <-
profile:0(testfunc()) <- profile:0(profiler)(1) 0.000
profilee.py:110(__getattr__) <- :0(hasattr)(12) 11.964
profilee.py:98(subhelper)(16) 79.944
profilee.py:25(testfunc) <- :1()(1) 999.751
profilee.py:35(factorial) <- profilee.py:25(testfunc)(1) 999.753
profilee.py:35(factorial)(20) 169.917
profilee.py:84(helper2_indirect)(2) 139.942
profilee.py:48(mul) <- profilee.py:35(factorial)(20) 169.917
profilee.py:55(helper) <- profilee.py:25(testfunc)(2) 999.753
profilee.py:73(helper1) <- profilee.py:55(helper)(4) 599.814
profilee.py:84(helper2_indirect) <- profilee.py:55(helper)(2) 599.814
profilee.py:88(helper2) <- profilee.py:55(helper)(6) 599.814
profilee.py:84(helper2_indirect)(2) 139.942
profilee.py:98(subhelper) <- profilee.py:88(helper2)(8) 399.896
"""
ProfileTest.expected_output['print_callees'] = """\
Ordered by: standard name
Function called...
:0(append) ->
:0(exc_info) ->
:0(hasattr) -> profilee.py:110(__getattr__)(12) 27.972
:0(range) ->
:0(setprofile) ->
:1() -> profilee.py:25(testfunc)(1) 999.753
profile:0(profiler) -> profile:0(testfunc())(1) 999.749
profile:0(testfunc()) -> :0(setprofile)(1) 0.000
:1()(1) 999.751
profilee.py:110(__getattr__) ->
profilee.py:25(testfunc) -> profilee.py:35(factorial)(1) 169.917
profilee.py:55(helper)(2) 599.814
profilee.py:35(factorial) -> profilee.py:35(factorial)(20) 169.917
profilee.py:48(mul)(20) 19.980
profilee.py:48(mul) ->
profilee.py:55(helper) -> profilee.py:73(helper1)(4) 119.964
profilee.py:84(helper2_indirect)(2) 139.942
profilee.py:88(helper2)(6) 399.896
profilee.py:73(helper1) -> :0(append)(4) -0.004
:0(exc_info)(4) -0.004
:0(hasattr)(4) 11.964
profilee.py:84(helper2_indirect) -> profilee.py:35(factorial)(2) 169.917
profilee.py:88(helper2)(2) 399.896
profilee.py:88(helper2) -> :0(hasattr)(8) 11.964
profilee.py:98(subhelper)(8) 79.944
profilee.py:98(subhelper) -> :0(range)(8) -0.008
profilee.py:110(__getattr__)(16) 27.972
"""
if __name__ == "__main__":
main()