/usr/lib/python2.7/test/test_hotshot.py is in libpython2.7-testsuite 2.7.6-8.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 | import os
import pprint
import unittest
import tempfile
import _hotshot
import gc
from test import test_support
# Silence Py3k warning
hotshot = test_support.import_module('hotshot', deprecated=True)
from hotshot.log import ENTER, EXIT, LINE
from hotshot import stats
def shortfilename(fn):
# We use a really shortened filename since an exact match is made,
# and the source may be either a Python source file or a
# pre-compiled bytecode file.
if fn:
return os.path.splitext(os.path.basename(fn))[0]
else:
return fn
class UnlinkingLogReader(hotshot.log.LogReader):
"""Extend the LogReader so the log file is unlinked when we're
done with it."""
def __init__(self, logfn):
self.__logfn = logfn
hotshot.log.LogReader.__init__(self, logfn)
def next(self, index=None):
try:
return hotshot.log.LogReader.next(self)
except StopIteration:
self.close()
os.unlink(self.__logfn)
raise
class HotShotTestCase(unittest.TestCase):
def new_profiler(self, lineevents=0, linetimings=1):
self.logfn = test_support.TESTFN
return hotshot.Profile(self.logfn, lineevents, linetimings)
def get_logreader(self):
return UnlinkingLogReader(self.logfn)
def get_events_wotime(self):
L = []
for event in self.get_logreader():
what, (filename, lineno, funcname), tdelta = event
L.append((what, (shortfilename(filename), lineno, funcname)))
return L
def check_events(self, expected):
events = self.get_events_wotime()
if events != expected:
self.fail(
"events did not match expectation; got:\n%s\nexpected:\n%s"
% (pprint.pformat(events), pprint.pformat(expected)))
def run_test(self, callable, events, profiler=None):
if profiler is None:
profiler = self.new_profiler()
self.assertTrue(not profiler._prof.closed)
profiler.runcall(callable)
self.assertTrue(not profiler._prof.closed)
profiler.close()
self.assertTrue(profiler._prof.closed)
self.check_events(events)
def test_addinfo(self):
def f(p):
p.addinfo("test-key", "test-value")
profiler = self.new_profiler()
profiler.runcall(f, profiler)
profiler.close()
log = self.get_logreader()
info = log._info
list(log)
self.assertTrue(info["test-key"] == ["test-value"])
def test_line_numbers(self):
def f():
y = 2
x = 1
def g():
f()
f_lineno = f.func_code.co_firstlineno
g_lineno = g.func_code.co_firstlineno
events = [(ENTER, ("test_hotshot", g_lineno, "g")),
(LINE, ("test_hotshot", g_lineno+1, "g")),
(ENTER, ("test_hotshot", f_lineno, "f")),
(LINE, ("test_hotshot", f_lineno+1, "f")),
(LINE, ("test_hotshot", f_lineno+2, "f")),
(EXIT, ("test_hotshot", f_lineno, "f")),
(EXIT, ("test_hotshot", g_lineno, "g")),
]
self.run_test(g, events, self.new_profiler(lineevents=1))
def test_start_stop(self):
# Make sure we don't return NULL in the start() and stop()
# methods when there isn't an error. Bug in 2.2 noted by
# Anthony Baxter.
profiler = self.new_profiler()
profiler.start()
profiler.stop()
profiler.close()
os.unlink(self.logfn)
def test_bad_sys_path(self):
import sys
import os
orig_path = sys.path
coverage = hotshot._hotshot.coverage
try:
# verify we require a list for sys.path
sys.path = 'abc'
self.assertRaises(RuntimeError, coverage, test_support.TESTFN)
# verify that we require sys.path exists
del sys.path
self.assertRaises(RuntimeError, coverage, test_support.TESTFN)
finally:
sys.path = orig_path
if os.path.exists(test_support.TESTFN):
os.remove(test_support.TESTFN)
def test_logreader_eof_error(self):
emptyfile = tempfile.NamedTemporaryFile()
try:
self.assertRaises((IOError, EOFError), _hotshot.logreader,
emptyfile.name)
finally:
emptyfile.close()
gc.collect()
def test_load_stats(self):
def start(prof):
prof.start()
# Make sure stats can be loaded when start and stop of profiler
# are not executed in the same stack frame.
profiler = self.new_profiler()
start(profiler)
profiler.stop()
profiler.close()
stats.load(self.logfn)
os.unlink(self.logfn)
def test_main():
test_support.run_unittest(HotShotTestCase)
if __name__ == "__main__":
test_main()
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