FM / testing

/opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/

/opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing

Name	Size	Mode	Actions
plugin/	-	0755	rm
suite/	-	0755	rm
assertions.py	18017	0644	edit dl rm
assertions.pyc	22509	0644	edit dl rm
assertions.pyo	20783	0644	edit dl rm
assertsql.py	13398	0644	edit dl rm
assertsql.pyc	15367	0644	edit dl rm
assertsql.pyo	15086	0644	edit dl rm
config.py	2680	0644	edit dl rm
config.pyc	4143	0644	edit dl rm
config.pyo	4057	0644	edit dl rm
engines.py	10437	0644	edit dl rm
engines.pyc	15446	0644	edit dl rm
engines.pyo	15277	0644	edit dl rm
entities.py	3203	0644	edit dl rm
entities.pyc	3314	0644	edit dl rm
entities.pyo	3314	0644	edit dl rm
exclusions.py	12765	0644	edit dl rm
exclusions.pyc	19908	0644	edit dl rm
exclusions.pyo	19726	0644	edit dl rm
fixtures.py	10814	0644	edit dl rm
fixtures.pyc	16586	0644	edit dl rm
fixtures.pyo	16502	0644	edit dl rm
mock.py	893	0644	edit dl rm
mock.pyc	780	0644	edit dl rm
mock.pyo	780	0644	edit dl rm
pickleable.py	2693	0644	edit dl rm
pickleable.pyc	7886	0644	edit dl rm
pickleable.pyo	7886	0644	edit dl rm
profiling.py	8513	0644	edit dl rm
profiling.pyc	8767	0644	edit dl rm
profiling.pyo	8767	0644	edit dl rm
provision.py	13263	0644	edit dl rm
provision.pyc	16866	0644	edit dl rm
provision.pyo	16866	0644	edit dl rm
replay_fixture.py	5875	0644	edit dl rm
replay_fixture.pyc	7665	0644	edit dl rm
replay_fixture.pyo	7665	0644	edit dl rm
requirements.py	26861	0644	edit dl rm
requirements.pyc	45518	0644	edit dl rm
requirements.pyo	45518	0644	edit dl rm
schema.py	3712	0644	edit dl rm
schema.pyc	3645	0644	edit dl rm
schema.pyo	3645	0644	edit dl rm
util.py	7738	0644	edit dl rm
util.pyc	11166	0644	edit dl rm
util.pyo	11124	0644	edit dl rm
warnings.py	1298	0644	edit dl rm
warnings.pyc	1402	0644	edit dl rm
warnings.pyo	1402	0644	edit dl rm
__init__.py	2362	0644	edit dl rm
__init__.pyc	2560	0644	edit dl rm
__init__.pyo	2560	0644	edit dl rm

Edit: /opt/alt/python27/lib64/python2.7/site-packages/sqlalchemy/testing/profiling.py (8513B)

# testing/profiling.py
# Copyright (C) 2005-2019 the SQLAlchemy authors and contributors
# <see AUTHORS file>
#
# This module is part of SQLAlchemy and is released under
# the MIT License: http://www.opensource.org/licenses/mit-license.php

"""Profiling support for unit and performance tests.

These are special purpose profiling methods which operate
in a more fine-grained way than nose's profiling plugin.

"""

import collections
import contextlib
import os
import pstats
import sys

from . import config
from .util import gc_collect
from ..util import jython
from ..util import pypy
from ..util import update_wrapper
from ..util import win32

try:
    import cProfile
except ImportError:
    cProfile = None

_current_test = None

# ProfileStatsFile instance, set up in plugin_base
_profile_stats = None

class ProfileStatsFile(object):
    """"Store per-platform/fn profiling results in a file.

We're still targeting Py2.5, 2.4 on 0.7 with no dependencies,
    so no json lib :(  need to roll something silly

"""

def __init__(self, filename):
        self.force_write = (
            config.options is not None and config.options.force_write_profiles
        )
        self.write = self.force_write or (
            config.options is not None and config.options.write_profiles
        )
        self.fname = os.path.abspath(filename)
        self.short_fname = os.path.split(self.fname)[-1]
        self.data = collections.defaultdict(
            lambda: collections.defaultdict(dict)
        )
        self._read()
        if self.write:
            # rewrite for the case where features changed,
            # etc.
            self._write()

@property
    def platform_key(self):

dbapi_key = config.db.name + "_" + config.db.driver

# keep it at 2.7, 3.1, 3.2, etc. for now.
        py_version = ".".join([str(v) for v in sys.version_info[0:2]])

platform_tokens = [py_version]
        platform_tokens.append(dbapi_key)
        if jython:
            platform_tokens.append("jython")
        if pypy:
            platform_tokens.append("pypy")
        if win32:
            platform_tokens.append("win")
        platform_tokens.append(
            "nativeunicode"
            if config.db.dialect.convert_unicode
            else "dbapiunicode"
        )
        _has_cext = config.requirements._has_cextensions()
        platform_tokens.append(_has_cext and "cextensions" or "nocextensions")
        return "_".join(platform_tokens)

def has_stats(self):
        test_key = _current_test
        return (
            test_key in self.data and self.platform_key in self.data[test_key]
        )

def result(self, callcount):
        test_key = _current_test
        per_fn = self.data[test_key]
        per_platform = per_fn[self.platform_key]

if "counts" not in per_platform:
            per_platform["counts"] = counts = []
        else:
            counts = per_platform["counts"]

if "current_count" not in per_platform:
            per_platform["current_count"] = current_count = 0
        else:
            current_count = per_platform["current_count"]

has_count = len(counts) > current_count

if not has_count:
            counts.append(callcount)
            if self.write:
                self._write()
            result = None
        else:
            result = per_platform["lineno"], counts[current_count]
        per_platform["current_count"] += 1
        return result

def replace(self, callcount):
        test_key = _current_test
        per_fn = self.data[test_key]
        per_platform = per_fn[self.platform_key]
        counts = per_platform["counts"]
        current_count = per_platform["current_count"]
        if current_count < len(counts):
            counts[current_count - 1] = callcount
        else:
            counts[-1] = callcount
        if self.write:
            self._write()

def _header(self):
        return (
            "# %s\n"
            "# This file is written out on a per-environment basis.\n"
            "# For each test in aaa_profiling, the corresponding "
            "function and \n"
            "# environment is located within this file.  "
            "If it doesn't exist,\n"
            "# the test is skipped.\n"
            "# If a callcount does exist, it is compared "
            "to what we received. \n"
            "# assertions are raised if the counts do not match.\n"
            "# \n"
            "# To add a new callcount test, apply the function_call_count \n"
            "# decorator and re-run the tests using the --write-profiles \n"
            "# option - this file will be rewritten including the new count.\n"
            "# \n"
        ) % (self.fname)

def _read(self):
        try:
            profile_f = open(self.fname)
        except IOError:
            return
        for lineno, line in enumerate(profile_f):
            line = line.strip()
            if not line or line.startswith("#"):
                continue

test_key, platform_key, counts = line.split()
            per_fn = self.data[test_key]
            per_platform = per_fn[platform_key]
            c = [int(count) for count in counts.split(",")]
            per_platform["counts"] = c
            per_platform["lineno"] = lineno + 1
            per_platform["current_count"] = 0
        profile_f.close()

def _write(self):
        print(("Writing profile file %s" % self.fname))
        profile_f = open(self.fname, "w")
        profile_f.write(self._header())
        for test_key in sorted(self.data):

per_fn = self.data[test_key]
            profile_f.write("\n# TEST: %s\n\n" % test_key)
            for platform_key in sorted(per_fn):
                per_platform = per_fn[platform_key]
                c = ",".join(str(count) for count in per_platform["counts"])
                profile_f.write("%s %s %s\n" % (test_key, platform_key, c))
        profile_f.close()

def function_call_count(variance=0.05):
    """Assert a target for a test case's function call count.

The main purpose of this assertion is to detect changes in
    callcounts for various functions - the actual number is not as important.
    Callcounts are stored in a file keyed to Python version and OS platform
    information.  This file is generated automatically for new tests,
    and versioned so that unexpected changes in callcounts will be detected.

"""

def decorate(fn):
        def wrap(*args, **kw):
            with count_functions(variance=variance):
                return fn(*args, **kw)

return update_wrapper(wrap, fn)

return decorate

@contextlib.contextmanager
def count_functions(variance=0.05):
    if cProfile is None:
        raise config._skip_test_exception("cProfile is not installed")

if not _profile_stats.has_stats() and not _profile_stats.write:
        config.skip_test(
            "No profiling stats available on this "
            "platform for this function.  Run tests with "
            "--write-profiles to add statistics to %s for "
            "this platform." % _profile_stats.short_fname
        )

gc_collect()

pr = cProfile.Profile()
    pr.enable()
    # began = time.time()
    yield
    # ended = time.time()
    pr.disable()

# s = compat.StringIO()
    stats = pstats.Stats(pr, stream=sys.stdout)

# timespent = ended - began
    callcount = stats.total_calls

expected = _profile_stats.result(callcount)

if expected is None:
        expected_count = None
    else:
        line_no, expected_count = expected

print(("Pstats calls: %d Expected %s" % (callcount, expected_count)))
    stats.sort_stats("cumulative")
    stats.print_stats()

if expected_count:
        deviance = int(callcount * variance)
        failed = abs(callcount - expected_count) > deviance

if failed or _profile_stats.force_write:
            if _profile_stats.write:
                _profile_stats.replace(callcount)
            else:
                raise AssertionError(
                    "Adjusted function call count %s not within %s%% "
                    "of expected %s, platform %s. Rerun with "
                    "--write-profiles to "
                    "regenerate this callcount."
                    % (
                        callcount,
                        (variance * 100),
                        expected_count,
                        _profile_stats.platform_key,
                    )
                )

cmd: