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