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"""Test suite for the cProfile module."""
import sys
import unittest
# rip off all interesting stuff from test_profile
import cProfile
from test.test_profile import ProfileTest, regenerate_expected_output
from test.support.script_helper import assert_python_failure
from test import support
class CProfileTest(ProfileTest):
profilerclass = cProfile.Profile
profilermodule = cProfile
expected_max_output = "{built-in method builtins.max}"
def get_expected_output(self):
return _ProfileOutput
def test_bad_counter_during_dealloc(self):
# bpo-3895
import _lsprof
with support.catch_unraisable_exception() as cm:
obj = _lsprof.Profiler(lambda: int)
obj.enable()
obj = _lsprof.Profiler(1)
obj.disable()
obj.clear()
self.assertEqual(cm.unraisable.exc_type, TypeError)
def test_profile_enable_disable(self):
prof = self.profilerclass()
# Make sure we clean ourselves up if the test fails for some reason.
self.addCleanup(prof.disable)
prof.enable()
self.assertIs(sys.getprofile(), prof)
prof.disable()
self.assertIs(sys.getprofile(), None)
def test_profile_as_context_manager(self):
prof = self.profilerclass()
# Make sure we clean ourselves up if the test fails for some reason.
self.addCleanup(prof.disable)
with prof as __enter__return_value:
# profile.__enter__ should return itself.
self.assertIs(prof, __enter__return_value)
# profile should be set as the global profiler inside the
# with-block
self.assertIs(sys.getprofile(), prof)
# profile shouldn't be set once we leave the with-block.
self.assertIs(sys.getprofile(), None)
class TestCommandLine(unittest.TestCase):
def test_sort(self):
rc, out, err = assert_python_failure('-m', 'cProfile', '-s', 'demo')
self.assertGreater(rc, 0)
self.assertIn(b"option -s: invalid choice: 'demo'", err)
def main():
if '-r' not in sys.argv:
unittest.main()
else:
regenerate_expected_output(__file__, CProfileTest)
# Don't remove this comment. Everything below it is auto-generated.
#--cut--------------------------------------------------------------------------
_ProfileOutput = {}
_ProfileOutput['print_stats'] = """\
28 0.028 0.001 0.028 0.001 profilee.py:110(__getattr__)
1 0.270 0.270 1.000 1.000 profilee.py:25(testfunc)
23/3 0.150 0.007 0.170 0.057 profilee.py:35(factorial)
20 0.020 0.001 0.020 0.001 profilee.py:48(mul)
2 0.040 0.020 0.600 0.300 profilee.py:55(helper)
4 0.116 0.029 0.120 0.030 profilee.py:73(helper1)
2 0.000 0.000 0.140 0.070 profilee.py:84(helper2_indirect)
8 0.312 0.039 0.400 0.050 profilee.py:88(helper2)
8 0.064 0.008 0.080 0.010 profilee.py:98(subhelper)"""
_ProfileOutput['print_callers'] = """\
profilee.py:110(__getattr__) <- 16 0.016 0.016 profilee.py:98(subhelper)
profilee.py:25(testfunc) <- 1 0.270 1.000 <string>:1(<module>)
profilee.py:35(factorial) <- 1 0.014 0.130 profilee.py:25(testfunc)
20/3 0.130 0.147 profilee.py:35(factorial)
2 0.006 0.040 profilee.py:84(helper2_indirect)
profilee.py:48(mul) <- 20 0.020 0.020 profilee.py:35(factorial)
profilee.py:55(helper) <- 2 0.040 0.600 profilee.py:25(testfunc)
profilee.py:73(helper1) <- 4 0.116 0.120 profilee.py:55(helper)
profilee.py:84(helper2_indirect) <- 2 0.000 0.140 profilee.py:55(helper)
profilee.py:88(helper2) <- 6 0.234 0.300 profilee.py:55(helper)
2 0.078 0.100 profilee.py:84(helper2_indirect)
profilee.py:98(subhelper) <- 8 0.064 0.080 profilee.py:88(helper2)
{built-in method builtins.hasattr} <- 4 0.000 0.004 profilee.py:73(helper1)
8 0.000 0.008 profilee.py:88(helper2)
{built-in method sys.exc_info} <- 4 0.000 0.000 profilee.py:73(helper1)
{method 'append' of 'list' objects} <- 4 0.000 0.000 profilee.py:73(helper1)"""
_ProfileOutput['print_callees'] = """\
<string>:1(<module>) -> 1 0.270 1.000 profilee.py:25(testfunc)
profilee.py:110(__getattr__) ->
profilee.py:25(testfunc) -> 1 0.014 0.130 profilee.py:35(factorial)
2 0.040 0.600 profilee.py:55(helper)
profilee.py:35(factorial) -> 20/3 0.130 0.147 profilee.py:35(factorial)
20 0.020 0.020 profilee.py:48(mul)
profilee.py:48(mul) ->
profilee.py:55(helper) -> 4 0.116 0.120 profilee.py:73(helper1)
2 0.000 0.140 profilee.py:84(helper2_indirect)
6 0.234 0.300 profilee.py:88(helper2)
profilee.py:73(helper1) -> 4 0.000 0.004 {built-in method builtins.hasattr}
profilee.py:84(helper2_indirect) -> 2 0.006 0.040 profilee.py:35(factorial)
2 0.078 0.100 profilee.py:88(helper2)
profilee.py:88(helper2) -> 8 0.064 0.080 profilee.py:98(subhelper)
profilee.py:98(subhelper) -> 16 0.016 0.016 profilee.py:110(__getattr__)
{built-in method builtins.hasattr} -> 12 0.012 0.012 profilee.py:110(__getattr__)"""
if __name__ == "__main__":
main()