diff options
Diffstat (limited to 'Lib/test')
| -rwxr-xr-x | Lib/test/regrtest.py | 1 | ||||
| -rw-r--r-- | Lib/test/test_cProfile.py | 129 | ||||
| -rw-r--r-- | Lib/test/test_cprofile.py | 72 |
3 files changed, 72 insertions, 130 deletions
diff --git a/Lib/test/regrtest.py b/Lib/test/regrtest.py index 886395b..43794d2 100755 --- a/Lib/test/regrtest.py +++ b/Lib/test/regrtest.py @@ -1137,7 +1137,6 @@ class _ExpectedSkips: # These are broken tests, for now skipped on every platform. # XXX Fix these! - self.expected.add('test_cProfile') self.expected.add('test_nis') # expected to be skipped on every platform, even Linux diff --git a/Lib/test/test_cProfile.py b/Lib/test/test_cProfile.py deleted file mode 100644 index 913ed1a..0000000 --- a/Lib/test/test_cProfile.py +++ /dev/null @@ -1,129 +0,0 @@ -"""Test suite for the cProfile module.""" - -import cProfile, pstats, sys - -# In order to have reproducible time, we simulate a timer in the global -# variable 'ticks', which represents simulated time in milliseconds. -# (We can't use a helper function increment the timer since it would be -# included in the profile and would appear to consume all the time.) -ticks = 0 - -# IMPORTANT: this is an output test. *ALL* NUMBERS in the expected -# output are relevant. If you change the formatting of pstats, -# please don't just regenerate output/test_cProfile without checking -# very carefully that not a single number has changed. - -def test_main(): - global ticks - ticks = 42000 - prof = cProfile.Profile(timer, 0.001) - prof.runctx("testfunc()", globals(), locals()) - assert ticks == 43000, ticks - st = pstats.Stats(prof) - st.strip_dirs().sort_stats('stdname').print_stats() - st.print_callees() - st.print_callers() - -def timer(): - return ticks - -def testfunc(): - # 1 call - # 1000 ticks total: 270 ticks local, 730 ticks in subfunctions - global ticks - ticks += 99 - helper() # 300 - helper() # 300 - ticks += 171 - factorial(14) # 130 - -def factorial(n): - # 23 calls total - # 170 ticks total, 150 ticks local - # 3 primitive calls, 130, 20 and 20 ticks total - # including 116, 17, 17 ticks local - global ticks - if n > 0: - ticks += n - return mul(n, factorial(n-1)) - else: - ticks += 11 - return 1 - -def mul(a, b): - # 20 calls - # 1 tick, local - global ticks - ticks += 1 - return a * b - -def helper(): - # 2 calls - # 300 ticks total: 20 ticks local, 260 ticks in subfunctions - global ticks - ticks += 1 - helper1() # 30 - ticks += 2 - helper1() # 30 - ticks += 6 - helper2() # 50 - ticks += 3 - helper2() # 50 - ticks += 2 - helper2() # 50 - ticks += 5 - helper2_indirect() # 70 - ticks += 1 - -def helper1(): - # 4 calls - # 30 ticks total: 29 ticks local, 1 tick in subfunctions - global ticks - ticks += 10 - hasattr(C(), "foo") # 1 - ticks += 19 - lst = [] - lst.append(42) # 0 - sys.exc_info() # 0 - -def helper2_indirect(): - helper2() # 50 - factorial(3) # 20 - -def helper2(): - # 8 calls - # 50 ticks local: 39 ticks local, 11 ticks in subfunctions - global ticks - ticks += 11 - hasattr(C(), "bar") # 1 - ticks += 13 - subhelper() # 10 - ticks += 15 - -def subhelper(): - # 8 calls - # 10 ticks total: 8 ticks local, 2 ticks in subfunctions - global ticks - ticks += 2 - for i in range(2): # 0 - try: - C().foo # 1 x 2 - except AttributeError: - ticks += 3 # 3 x 2 - -class C: - def __getattr__(self, name): - # 28 calls - # 1 tick, local - global ticks - ticks += 1 - raise AttributeError - - -def test_main(): - from test.support import TestSkipped - raise TestSkipped('test_cProfile test is current broken') - - -if __name__ == "__main__": - test_main() diff --git a/Lib/test/test_cprofile.py b/Lib/test/test_cprofile.py new file mode 100644 index 0000000..4c0f363 --- /dev/null +++ b/Lib/test/test_cprofile.py @@ -0,0 +1,72 @@ +"""Test suite for the cProfile module.""" + +import sys +from test.support import run_unittest + +# rip off all interesting stuff from test_profile +import cProfile +from test.test_profile import ProfileTest, regenerate_expected_output + +class CProfileTest(ProfileTest): + profilerclass = cProfile.Profile + + +def test_main(): + run_unittest(CProfileTest) + +def main(): + if '-r' not in sys.argv: + test_main() + else: + regenerate_expected_output(__file__, CProfileTest) + + +# Don't remove this comment. Everything below it is auto-generated. +#--cut-------------------------------------------------------------------------- +CProfileTest.expected_output['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)""" +CProfileTest.expected_output['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 exc_info} <- 4 0.000 0.000 profilee.py:73(helper1) +{built-in method hasattr} <- 4 0.000 0.004 profilee.py:73(helper1) + 8 0.000 0.008 profilee.py:88(helper2) +{method 'append' of 'list' objects} <- 4 0.000 0.000 profilee.py:73(helper1)""" +CProfileTest.expected_output['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 0.000 {built-in method exc_info} +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 hasattr} -> 12 0.012 0.012 profilee.py:110(__getattr__)""" + +if __name__ == "__main__": + main() |