Lib/test/test_cprofile.py

   1 """Test suite for the cProfile module."""
   2
   3 import sys
   4 from test.test_support import run_unittest, TESTFN, unlink
   5
   6 # rip off all interesting stuff from test_profile
   7 import cProfile
   8 from test.test_profile import ProfileTest, regenerate_expected_output
   9
  10 class CProfileTest(ProfileTest):
  11     profilerclass = cProfile.Profile
  12     expected_list_sort_output = "{method 'sort' of 'list' objects}"
  13
  14     # Issue 3895.
  15     def test_bad_counter_during_dealloc(self):
  16         import _lsprof
  17         # Must use a file as StringIO doesn't trigger the bug.
  18         sys.stderr = open(TESTFN, 'w')
  19         try:
  20             obj = _lsprof.Profiler(lambda: int)
  21             obj.enable()
  22             obj = _lsprof.Profiler(1)
  23             obj.disable()
  24         finally:
  25             sys.stderr = sys.__stderr__
  26             unlink(TESTFN)
  27
  28
  29 def test_main():
  30     run_unittest(CProfileTest)
  31
  32 def main():
  33     if '-r' not in sys.argv:
  34         test_main()
  35     else:
  36         regenerate_expected_output(__file__, CProfileTest)
  37
  38
  39 # Don't remove this comment. Everything below it is auto-generated.
  40 #--cut--------------------------------------------------------------------------
  41 CProfileTest.expected_output['print_stats'] = """\
  42          126 function calls (106 primitive calls) in 1.000 CPU seconds
  43
  44    Ordered by: standard name
  45
  46    ncalls  tottime  percall  cumtime  percall filename:lineno(function)
  47         1    0.000    0.000    1.000    1.000 <string>:1(<module>)
  48        28    0.028    0.001    0.028    0.001 profilee.py:110(__getattr__)
  49         1    0.270    0.270    1.000    1.000 profilee.py:25(testfunc)
  50      23/3    0.150    0.007    0.170    0.057 profilee.py:35(factorial)
  51        20    0.020    0.001    0.020    0.001 profilee.py:48(mul)
  52         2    0.040    0.020    0.600    0.300 profilee.py:55(helper)
  53         4    0.116    0.029    0.120    0.030 profilee.py:73(helper1)
  54         2    0.000    0.000    0.140    0.070 profilee.py:84(helper2_indirect)
  55         8    0.312    0.039    0.400    0.050 profilee.py:88(helper2)
  56         8    0.064    0.008    0.080    0.010 profilee.py:98(subhelper)
  57        12    0.000    0.000    0.012    0.001 {hasattr}
  58         4    0.000    0.000    0.000    0.000 {method 'append' of 'list' objects}
  59         1    0.000    0.000    0.000    0.000 {method 'disable' of '_lsprof.Profiler' objects}
  60         8    0.000    0.000    0.000    0.000 {range}
  61         4    0.000    0.000    0.000    0.000 {sys.exc_info}
  62
  63
  64 """
  65 CProfileTest.expected_output['print_callers'] = """\
  66    Ordered by: standard name
  67
  68 Function                                          was called by...
  69                                                       ncalls  tottime  cumtime
  70 <string>:1(<module>)                              <-
  71 profilee.py:110(__getattr__)                      <-      16    0.016    0.016  profilee.py:98(subhelper)
  72                                                           12    0.012    0.012  {hasattr}
  73 profilee.py:25(testfunc)                          <-       1    0.270    1.000  <string>:1(<module>)
  74 profilee.py:35(factorial)                         <-       1    0.014    0.130  profilee.py:25(testfunc)
  75                                                         20/3    0.130    0.147  profilee.py:35(factorial)
  76                                                            2    0.006    0.040  profilee.py:84(helper2_indirect)
  77 profilee.py:48(mul)                               <-      20    0.020    0.020  profilee.py:35(factorial)
  78 profilee.py:55(helper)                            <-       2    0.040    0.600  profilee.py:25(testfunc)
  79 profilee.py:73(helper1)                           <-       4    0.116    0.120  profilee.py:55(helper)
  80 profilee.py:84(helper2_indirect)                  <-       2    0.000    0.140  profilee.py:55(helper)
  81 profilee.py:88(helper2)                           <-       6    0.234    0.300  profilee.py:55(helper)
  82                                                            2    0.078    0.100  profilee.py:84(helper2_indirect)
  83 profilee.py:98(subhelper)                         <-       8    0.064    0.080  profilee.py:88(helper2)
  84 {hasattr}                                         <-       4    0.000    0.004  profilee.py:73(helper1)
  85                                                            8    0.000    0.008  profilee.py:88(helper2)
  86 {method 'append' of 'list' objects}               <-       4    0.000    0.000  profilee.py:73(helper1)
  87 {method 'disable' of '_lsprof.Profiler' objects}  <-
  88 {range}                                           <-       8    0.000    0.000  profilee.py:98(subhelper)
  89 {sys.exc_info}                                    <-       4    0.000    0.000  profilee.py:73(helper1)
  90
  91
  92 """
  93 CProfileTest.expected_output['print_callees'] = """\
  94    Ordered by: standard name
  95
  96 Function                                          called...
  97                                                       ncalls  tottime  cumtime
  98 <string>:1(<module>)                              ->       1    0.270    1.000  profilee.py:25(testfunc)
  99 profilee.py:110(__getattr__)                      ->
 100 profilee.py:25(testfunc)                          ->       1    0.014    0.130  profilee.py:35(factorial)
 101                                                            2    0.040    0.600  profilee.py:55(helper)
 102 profilee.py:35(factorial)                         ->    20/3    0.130    0.147  profilee.py:35(factorial)
 103                                                           20    0.020    0.020  profilee.py:48(mul)
 104 profilee.py:48(mul)                               ->
 105 profilee.py:55(helper)                            ->       4    0.116    0.120  profilee.py:73(helper1)
 106                                                            2    0.000    0.140  profilee.py:84(helper2_indirect)
 107                                                            6    0.234    0.300  profilee.py:88(helper2)
 108 profilee.py:73(helper1)                           ->       4    0.000    0.004  {hasattr}
 109                                                            4    0.000    0.000  {method 'append' of 'list' objects}
 110                                                            4    0.000    0.000  {sys.exc_info}
 111 profilee.py:84(helper2_indirect)                  ->       2    0.006    0.040  profilee.py:35(factorial)
 112                                                            2    0.078    0.100  profilee.py:88(helper2)
 113 profilee.py:88(helper2)                           ->       8    0.064    0.080  profilee.py:98(subhelper)
 114                                                            8    0.000    0.008  {hasattr}
 115 profilee.py:98(subhelper)                         ->      16    0.016    0.016  profilee.py:110(__getattr__)
 116                                                            8    0.000    0.000  {range}
 117 {hasattr}                                         ->      12    0.012    0.012  profilee.py:110(__getattr__)
 118 {method 'append' of 'list' objects}               ->
 119 {method 'disable' of '_lsprof.Profiler' objects}  ->
 120 {range}                                           ->
 121 {sys.exc_info}                                    ->
 122
 123
 124 """
 125
 126 if __name__ == "__main__":
 127     main()