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svn+ssh://pythondev@svn.python.org/python/trunk ........ r73064 | antoine.pitrou | 2009-05-30 23:27:00 +0200 (sam., 30 mai 2009) | 4 lines Issue #5330: C functions called with keyword arguments were not reported by the various profiling modules (profile, cProfile). Patch by Hagen Fürstenau. ........
161 lines
6.9 KiB
Python
Executable file
161 lines
6.9 KiB
Python
Executable file
"""Test suite for the profile module."""
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import os
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import sys
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import pstats
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import unittest
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from difflib import unified_diff
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from io import StringIO
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from test.support import run_unittest
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import profile
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from test.profilee import testfunc, timer
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class ProfileTest(unittest.TestCase):
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profilerclass = profile.Profile
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methodnames = ['print_stats', 'print_callers', 'print_callees']
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expected_max_output = ':0(max)'
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def get_expected_output(self):
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return _ProfileOutput
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@classmethod
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def do_profiling(cls):
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results = []
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prof = cls.profilerclass(timer, 0.001)
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start_timer = timer()
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prof.runctx("testfunc()", globals(), locals())
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results.append(timer() - start_timer)
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for methodname in cls.methodnames:
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s = StringIO()
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stats = pstats.Stats(prof, stream=s)
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stats.strip_dirs().sort_stats("stdname")
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getattr(stats, methodname)()
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output = s.getvalue().splitlines()
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mod_name = testfunc.__module__.rsplit('.', 1)[1]
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# Only compare against stats originating from the test file.
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# Prevents outside code (e.g., the io module) from causing
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# unexpected output.
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output = [line.rstrip() for line in output if mod_name in line]
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results.append('\n'.join(output))
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return results
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def test_cprofile(self):
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results = self.do_profiling()
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expected = self.get_expected_output()
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self.assertEqual(results[0], 1000)
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for i, method in enumerate(self.methodnames):
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if results[i+1] != expected[method]:
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print("Stats.%s output for %s doesn't fit expectation!" %
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(method, self.profilerclass.__name__))
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print('\n'.join(unified_diff(
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results[i+1].split('\n'),
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expected[method].split('\n'))))
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def test_calling_conventions(self):
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# Issue #5330: profile and cProfile wouldn't report C functions called
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# with keyword arguments. We test all calling conventions.
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stmts = [
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"max([0])",
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"max([0], key=int)",
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"max([0], **dict(key=int))",
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"max(*([0],))",
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"max(*([0],), key=int)",
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"max(*([0],), **dict(key=int))",
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]
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for stmt in stmts:
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s = StringIO()
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prof = self.profilerclass(timer, 0.001)
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prof.runctx(stmt, globals(), locals())
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stats = pstats.Stats(prof, stream=s)
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stats.print_stats()
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res = s.getvalue()
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self.assertTrue(self.expected_max_output in res,
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"Profiling {0!r} didn't report max:\n{1}".format(stmt, res))
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def regenerate_expected_output(filename, cls):
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filename = filename.rstrip('co')
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print('Regenerating %s...' % filename)
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results = cls.do_profiling()
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newfile = []
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with open(filename, 'r') as f:
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for line in f:
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newfile.append(line)
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if line.startswith('#--cut'):
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break
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with open(filename, 'w') as f:
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f.writelines(newfile)
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f.write("_ProfileOutput = {}\n")
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for i, method in enumerate(cls.methodnames):
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f.write('_ProfileOutput[%r] = """\\\n%s"""\n' % (
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method, results[i+1]))
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f.write('\nif __name__ == "__main__":\n main()\n')
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def test_main():
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run_unittest(ProfileTest)
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def main():
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if '-r' not in sys.argv:
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test_main()
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else:
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regenerate_expected_output(__file__, ProfileTest)
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# Don't remove this comment. Everything below it is auto-generated.
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#--cut--------------------------------------------------------------------------
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_ProfileOutput = {}
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_ProfileOutput['print_stats'] = """\
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28 27.972 0.999 27.972 0.999 profilee.py:110(__getattr__)
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1 269.996 269.996 999.769 999.769 profilee.py:25(testfunc)
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23/3 149.937 6.519 169.917 56.639 profilee.py:35(factorial)
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20 19.980 0.999 19.980 0.999 profilee.py:48(mul)
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2 39.986 19.993 599.830 299.915 profilee.py:55(helper)
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4 115.984 28.996 119.964 29.991 profilee.py:73(helper1)
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2 -0.006 -0.003 139.946 69.973 profilee.py:84(helper2_indirect)
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8 311.976 38.997 399.912 49.989 profilee.py:88(helper2)
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8 63.976 7.997 79.960 9.995 profilee.py:98(subhelper)"""
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_ProfileOutput['print_callers'] = """\
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:0(append) <- profilee.py:73(helper1)(4) 119.964
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:0(exc_info) <- profilee.py:73(helper1)(4) 119.964
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:0(hasattr) <- profilee.py:73(helper1)(4) 119.964
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profilee.py:88(helper2)(8) 399.912
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profilee.py:110(__getattr__) <- :0(hasattr)(12) 11.964
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profilee.py:98(subhelper)(16) 79.960
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profilee.py:25(testfunc) <- <string>:1(<module>)(1) 999.767
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profilee.py:35(factorial) <- profilee.py:25(testfunc)(1) 999.769
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profilee.py:35(factorial)(20) 169.917
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profilee.py:84(helper2_indirect)(2) 139.946
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profilee.py:48(mul) <- profilee.py:35(factorial)(20) 169.917
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profilee.py:55(helper) <- profilee.py:25(testfunc)(2) 999.769
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profilee.py:73(helper1) <- profilee.py:55(helper)(4) 599.830
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profilee.py:84(helper2_indirect) <- profilee.py:55(helper)(2) 599.830
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profilee.py:88(helper2) <- profilee.py:55(helper)(6) 599.830
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profilee.py:84(helper2_indirect)(2) 139.946
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profilee.py:98(subhelper) <- profilee.py:88(helper2)(8) 399.912"""
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_ProfileOutput['print_callees'] = """\
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:0(hasattr) -> profilee.py:110(__getattr__)(12) 27.972
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<string>:1(<module>) -> profilee.py:25(testfunc)(1) 999.769
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profilee.py:110(__getattr__) ->
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profilee.py:25(testfunc) -> profilee.py:35(factorial)(1) 169.917
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profilee.py:55(helper)(2) 599.830
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profilee.py:35(factorial) -> profilee.py:35(factorial)(20) 169.917
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profilee.py:48(mul)(20) 19.980
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profilee.py:48(mul) ->
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profilee.py:55(helper) -> profilee.py:73(helper1)(4) 119.964
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profilee.py:84(helper2_indirect)(2) 139.946
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profilee.py:88(helper2)(6) 399.912
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profilee.py:73(helper1) -> :0(append)(4) -0.004
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profilee.py:84(helper2_indirect) -> profilee.py:35(factorial)(2) 169.917
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profilee.py:88(helper2)(2) 399.912
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profilee.py:88(helper2) -> :0(hasattr)(8) 11.964
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profilee.py:98(subhelper)(8) 79.960
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profilee.py:98(subhelper) -> profilee.py:110(__getattr__)(16) 27.972"""
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if __name__ == "__main__":
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main()
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