| """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() |
