python (3.11.7)
1 """Test suite for the cProfile module."""
2
3 import sys
4 import unittest
5
6 # rip off all interesting stuff from test_profile
7 import cProfile
8 from test.test_profile import ProfileTest, regenerate_expected_output
9 from test.support.script_helper import assert_python_failure
10 from test import support
11
12
13 class ESC[4;38;5;81mCProfileTest(ESC[4;38;5;149mProfileTest):
14 profilerclass = cProfile.Profile
15 profilermodule = cProfile
16 expected_max_output = "{built-in method builtins.max}"
17
18 def get_expected_output(self):
19 return _ProfileOutput
20
21 def test_bad_counter_during_dealloc(self):
22 # bpo-3895
23 import _lsprof
24
25 with support.catch_unraisable_exception() as cm:
26 obj = _lsprof.Profiler(lambda: int)
27 obj.enable()
28 obj = _lsprof.Profiler(1)
29 obj.disable()
30 obj.clear()
31
32 self.assertEqual(cm.unraisable.exc_type, TypeError)
33
34 def test_profile_enable_disable(self):
35 prof = self.profilerclass()
36 # Make sure we clean ourselves up if the test fails for some reason.
37 self.addCleanup(prof.disable)
38
39 prof.enable()
40 self.assertIs(sys.getprofile(), prof)
41
42 prof.disable()
43 self.assertIs(sys.getprofile(), None)
44
45 def test_profile_as_context_manager(self):
46 prof = self.profilerclass()
47 # Make sure we clean ourselves up if the test fails for some reason.
48 self.addCleanup(prof.disable)
49
50 with prof as __enter__return_value:
51 # profile.__enter__ should return itself.
52 self.assertIs(prof, __enter__return_value)
53
54 # profile should be set as the global profiler inside the
55 # with-block
56 self.assertIs(sys.getprofile(), prof)
57
58 # profile shouldn't be set once we leave the with-block.
59 self.assertIs(sys.getprofile(), None)
60
61 class ESC[4;38;5;81mTestCommandLine(ESC[4;38;5;149munittestESC[4;38;5;149m.ESC[4;38;5;149mTestCase):
62 def test_sort(self):
63 rc, out, err = assert_python_failure('-m', 'cProfile', '-s', 'demo')
64 self.assertGreater(rc, 0)
65 self.assertIn(b"option -s: invalid choice: 'demo'", err)
66
67
68 def main():
69 if '-r' not in sys.argv:
70 unittest.main()
71 else:
72 regenerate_expected_output(__file__, CProfileTest)
73
74
75 # Don't remove this comment. Everything below it is auto-generated.
76 #--cut--------------------------------------------------------------------------
77 _ProfileOutput = {}
78 _ProfileOutput['print_stats'] = """\
79 28 0.028 0.001 0.028 0.001 profilee.py:110(__getattr__)
80 1 0.270 0.270 1.000 1.000 profilee.py:25(testfunc)
81 23/3 0.150 0.007 0.170 0.057 profilee.py:35(factorial)
82 20 0.020 0.001 0.020 0.001 profilee.py:48(mul)
83 2 0.040 0.020 0.600 0.300 profilee.py:55(helper)
84 4 0.116 0.029 0.120 0.030 profilee.py:73(helper1)
85 2 0.000 0.000 0.140 0.070 profilee.py:84(helper2_indirect)
86 8 0.312 0.039 0.400 0.050 profilee.py:88(helper2)
87 8 0.064 0.008 0.080 0.010 profilee.py:98(subhelper)"""
88 _ProfileOutput['print_callers'] = """\
89 profilee.py:110(__getattr__) <- 16 0.016 0.016 profilee.py:98(subhelper)
90 profilee.py:25(testfunc) <- 1 0.270 1.000 <string>:1(<module>)
91 profilee.py:35(factorial) <- 1 0.014 0.130 profilee.py:25(testfunc)
92 20/3 0.130 0.147 profilee.py:35(factorial)
93 2 0.006 0.040 profilee.py:84(helper2_indirect)
94 profilee.py:48(mul) <- 20 0.020 0.020 profilee.py:35(factorial)
95 profilee.py:55(helper) <- 2 0.040 0.600 profilee.py:25(testfunc)
96 profilee.py:73(helper1) <- 4 0.116 0.120 profilee.py:55(helper)
97 profilee.py:84(helper2_indirect) <- 2 0.000 0.140 profilee.py:55(helper)
98 profilee.py:88(helper2) <- 6 0.234 0.300 profilee.py:55(helper)
99 2 0.078 0.100 profilee.py:84(helper2_indirect)
100 profilee.py:98(subhelper) <- 8 0.064 0.080 profilee.py:88(helper2)
101 {built-in method builtins.hasattr} <- 4 0.000 0.004 profilee.py:73(helper1)
102 8 0.000 0.008 profilee.py:88(helper2)
103 {built-in method sys.exc_info} <- 4 0.000 0.000 profilee.py:73(helper1)
104 {method 'append' of 'list' objects} <- 4 0.000 0.000 profilee.py:73(helper1)"""
105 _ProfileOutput['print_callees'] = """\
106 <string>:1(<module>) -> 1 0.270 1.000 profilee.py:25(testfunc)
107 profilee.py:110(__getattr__) ->
108 profilee.py:25(testfunc) -> 1 0.014 0.130 profilee.py:35(factorial)
109 2 0.040 0.600 profilee.py:55(helper)
110 profilee.py:35(factorial) -> 20/3 0.130 0.147 profilee.py:35(factorial)
111 20 0.020 0.020 profilee.py:48(mul)
112 profilee.py:48(mul) ->
113 profilee.py:55(helper) -> 4 0.116 0.120 profilee.py:73(helper1)
114 2 0.000 0.140 profilee.py:84(helper2_indirect)
115 6 0.234 0.300 profilee.py:88(helper2)
116 profilee.py:73(helper1) -> 4 0.000 0.004 {built-in method builtins.hasattr}
117 profilee.py:84(helper2_indirect) -> 2 0.006 0.040 profilee.py:35(factorial)
118 2 0.078 0.100 profilee.py:88(helper2)
119 profilee.py:88(helper2) -> 8 0.064 0.080 profilee.py:98(subhelper)
120 profilee.py:98(subhelper) -> 16 0.016 0.016 profilee.py:110(__getattr__)
121 {built-in method builtins.hasattr} -> 12 0.012 0.012 profilee.py:110(__getattr__)"""
122
123 if __name__ == "__main__":
124 main()
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