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Diffstat (limited to 'lib/python2.7/test/test_profile.py')
| -rw-r--r-- | lib/python2.7/test/test_profile.py | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/lib/python2.7/test/test_profile.py b/lib/python2.7/test/test_profile.py new file mode 100644 index 0000000..aa93d39 --- /dev/null +++ b/lib/python2.7/test/test_profile.py @@ -0,0 +1,186 @@ +"""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 <string>:1(<module>) + 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 +<string>:1(<module>) <- 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) <- <string>:1(<module>)(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) -> +<string>:1(<module>) -> profilee.py:25(testfunc)(1) 999.753 +profile:0(profiler) -> profile:0(testfunc())(1) 999.749 +profile:0(testfunc()) -> :0(setprofile)(1) 0.000 + <string>:1(<module>)(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() |