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# plugin/noseplugin.py
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# Copyright (C) 2005-2014 the SQLAlchemy authors and contributors
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# <see AUTHORS file>
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#
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# This module is part of SQLAlchemy and is released under
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# the MIT License: http://www.opensource.org/licenses/mit-license.php
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"""Enhance nose with extra options and behaviors for running SQLAlchemy tests.
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Must be run via ./sqla_nose.py so that it is imported in the expected
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way (e.g. as a package-less import).
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"""
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import os
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import sys
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from nose.plugins import Plugin
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fixtures = None
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# no package imports yet! this prevents us from tripping coverage
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# too soon.
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path = os.path.join(os.path.dirname(__file__), "plugin_base.py")
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if sys.version_info >= (3, 3):
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from importlib import machinery
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plugin_base = machinery.SourceFileLoader(
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"plugin_base", path).load_module()
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else:
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import imp
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plugin_base = imp.load_source("plugin_base", path)
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class NoseSQLAlchemy(Plugin):
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enabled = True
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name = 'sqla_testing'
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score = 100
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def options(self, parser, env=os.environ):
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Plugin.options(self, parser, env)
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opt = parser.add_option
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def make_option(name, **kw):
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callback_ = kw.pop("callback", None)
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if callback_:
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def wrap_(option, opt_str, value, parser):
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callback_(opt_str, value, parser)
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kw["callback"] = wrap_
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opt(name, **kw)
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plugin_base.setup_options(make_option)
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plugin_base.read_config()
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def configure(self, options, conf):
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super(NoseSQLAlchemy, self).configure(options, conf)
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plugin_base.pre_begin(options)
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plugin_base.set_coverage_flag(options.enable_plugin_coverage)
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global fixtures
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from sqlalchemy.testing import fixtures
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def begin(self):
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plugin_base.post_begin()
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def describeTest(self, test):
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return ""
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def wantFunction(self, fn):
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if fn.__module__ is None:
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return False
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if fn.__module__.startswith('sqlalchemy.testing'):
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return False
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def wantClass(self, cls):
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return plugin_base.want_class(cls)
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def beforeTest(self, test):
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plugin_base.before_test(test,
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test.test.cls.__module__,
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test.test.cls, test.test.method.__name__)
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def afterTest(self, test):
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plugin_base.after_test(test)
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def startContext(self, ctx):
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if not isinstance(ctx, type) \
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or not issubclass(ctx, fixtures.TestBase):
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return
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plugin_base.start_test_class(ctx)
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def stopContext(self, ctx):
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if not isinstance(ctx, type) \
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or not issubclass(ctx, fixtures.TestBase):
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return
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plugin_base.stop_test_class(ctx)
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# plugin/plugin_base.py
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# Copyright (C) 2005-2014 the SQLAlchemy authors and contributors
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# <see AUTHORS file>
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#
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# This module is part of SQLAlchemy and is released under
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# the MIT License: http://www.opensource.org/licenses/mit-license.php
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"""Testing extensions.
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this module is designed to work as a testing-framework-agnostic library,
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so that we can continue to support nose and also begin adding new
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functionality via py.test.
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"""
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from __future__ import absolute_import
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try:
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# unitttest has a SkipTest also but pytest doesn't
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# honor it unless nose is imported too...
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from nose import SkipTest
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except ImportError:
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from _pytest.runner import Skipped as SkipTest
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import sys
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import re
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py3k = sys.version_info >= (3, 0)
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if py3k:
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import configparser
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else:
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import ConfigParser as configparser
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# late imports
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fixtures = None
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engines = None
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exclusions = None
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warnings = None
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profiling = None
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assertions = None
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requirements = None
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config = None
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testing = None
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util = None
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file_config = None
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logging = None
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db_opts = {}
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options = None
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def setup_options(make_option):
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make_option("--log-info", action="callback", type="string", callback=_log,
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help="turn on info logging for <LOG> (multiple OK)")
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make_option("--log-debug", action="callback",
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type="string", callback=_log,
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help="turn on debug logging for <LOG> (multiple OK)")
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make_option("--db", action="append", type="string", dest="db",
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help="Use prefab database uri. Multiple OK, "
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"first one is run by default.")
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make_option('--dbs', action='callback', callback=_list_dbs,
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help="List available prefab dbs")
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make_option("--dburi", action="append", type="string", dest="dburi",
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help="Database uri. Multiple OK, "
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"first one is run by default.")
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make_option("--dropfirst", action="store_true", dest="dropfirst",
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help="Drop all tables in the target database first")
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make_option("--backend-only", action="store_true", dest="backend_only",
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help="Run only tests marked with __backend__")
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make_option("--mockpool", action="store_true", dest="mockpool",
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help="Use mock pool (asserts only one connection used)")
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make_option("--low-connections", action="store_true",
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dest="low_connections",
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help="Use a low number of distinct connections - "
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"i.e. for Oracle TNS")
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make_option("--reversetop", action="store_true",
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dest="reversetop", default=False,
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help="Use a random-ordering set implementation in the ORM "
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"(helps reveal dependency issues)")
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make_option("--requirements", action="callback", type="string",
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callback=_requirements_opt,
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help="requirements class for testing, overrides setup.cfg")
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make_option("--with-cdecimal", action="store_true",
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dest="cdecimal", default=False,
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help="Monkeypatch the cdecimal library into Python 'decimal' "
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"for all tests")
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make_option("--serverside", action="callback",
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callback=_server_side_cursors,
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help="Turn on server side cursors for PG")
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make_option("--mysql-engine", action="store",
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dest="mysql_engine", default=None,
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help="Use the specified MySQL storage engine for all tables, "
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"default is a db-default/InnoDB combo.")
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make_option("--tableopts", action="append", dest="tableopts", default=[],
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help="Add a dialect-specific table option, key=value")
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||||
make_option("--write-profiles", action="store_true",
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||||
dest="write_profiles", default=False,
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||||
help="Write/update profiling data.")
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||||
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||||
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||||
def read_config():
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global file_config
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||||
file_config = configparser.ConfigParser()
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||||
file_config.read(['setup.cfg', 'test.cfg'])
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||||
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||||
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||||
def pre_begin(opt):
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||||
"""things to set up early, before coverage might be setup."""
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||||
global options
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||||
options = opt
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||||
for fn in pre_configure:
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||||
fn(options, file_config)
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||||
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||||
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||||
def set_coverage_flag(value):
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||||
options.has_coverage = value
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||||
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||||
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||||
def post_begin():
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||||
"""things to set up later, once we know coverage is running."""
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||||
# Lazy setup of other options (post coverage)
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for fn in post_configure:
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fn(options, file_config)
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||||
# late imports, has to happen after config as well
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# as nose plugins like coverage
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global util, fixtures, engines, exclusions, \
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||||
assertions, warnings, profiling,\
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config, testing
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||||
from sqlalchemy import testing
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from sqlalchemy.testing import fixtures, engines, exclusions, \
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||||
assertions, warnings, profiling, config
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||||
from sqlalchemy import util
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||||
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||||
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||||
def _log(opt_str, value, parser):
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||||
global logging
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||||
if not logging:
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||||
import logging
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||||
logging.basicConfig()
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||||
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||||
if opt_str.endswith('-info'):
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logging.getLogger(value).setLevel(logging.INFO)
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||||
elif opt_str.endswith('-debug'):
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||||
logging.getLogger(value).setLevel(logging.DEBUG)
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||||
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||||
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||||
def _list_dbs(*args):
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||||
print("Available --db options (use --dburi to override)")
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for macro in sorted(file_config.options('db')):
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||||
print("%20s\t%s" % (macro, file_config.get('db', macro)))
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sys.exit(0)
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||||
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||||
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||||
def _server_side_cursors(opt_str, value, parser):
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||||
db_opts['server_side_cursors'] = True
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||||
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||||
|
||||
def _requirements_opt(opt_str, value, parser):
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||||
_setup_requirements(value)
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||||
|
||||
|
||||
pre_configure = []
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||||
post_configure = []
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||||
|
||||
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||||
def pre(fn):
|
||||
pre_configure.append(fn)
|
||||
return fn
|
||||
|
||||
|
||||
def post(fn):
|
||||
post_configure.append(fn)
|
||||
return fn
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||||
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||||
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||||
@pre
|
||||
def _setup_options(opt, file_config):
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||||
global options
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||||
options = opt
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||||
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||||
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||||
@pre
|
||||
def _monkeypatch_cdecimal(options, file_config):
|
||||
if options.cdecimal:
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import cdecimal
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sys.modules['decimal'] = cdecimal
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||||
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||||
|
||||
@post
|
||||
def _engine_uri(options, file_config):
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||||
from sqlalchemy.testing import engines, config
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from sqlalchemy import testing
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||||
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||||
if options.dburi:
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||||
db_urls = list(options.dburi)
|
||||
else:
|
||||
db_urls = []
|
||||
|
||||
if options.db:
|
||||
for db_token in options.db:
|
||||
for db in re.split(r'[,\s]+', db_token):
|
||||
if db not in file_config.options('db'):
|
||||
raise RuntimeError(
|
||||
"Unknown URI specifier '%s'. "
|
||||
"Specify --dbs for known uris."
|
||||
% db)
|
||||
else:
|
||||
db_urls.append(file_config.get('db', db))
|
||||
|
||||
if not db_urls:
|
||||
db_urls.append(file_config.get('db', 'default'))
|
||||
|
||||
for db_url in db_urls:
|
||||
eng = engines.testing_engine(db_url, db_opts)
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||||
eng.connect().close()
|
||||
config.Config.register(eng, db_opts, options, file_config, testing)
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||||
|
||||
config.db_opts = db_opts
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||||
|
||||
|
||||
@post
|
||||
def _engine_pool(options, file_config):
|
||||
if options.mockpool:
|
||||
from sqlalchemy import pool
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||||
db_opts['poolclass'] = pool.AssertionPool
|
||||
|
||||
|
||||
@post
|
||||
def _requirements(options, file_config):
|
||||
|
||||
requirement_cls = file_config.get('sqla_testing', "requirement_cls")
|
||||
_setup_requirements(requirement_cls)
|
||||
|
||||
|
||||
def _setup_requirements(argument):
|
||||
from sqlalchemy.testing import config
|
||||
from sqlalchemy import testing
|
||||
|
||||
if config.requirements is not None:
|
||||
return
|
||||
|
||||
modname, clsname = argument.split(":")
|
||||
|
||||
# importlib.import_module() only introduced in 2.7, a little
|
||||
# late
|
||||
mod = __import__(modname)
|
||||
for component in modname.split(".")[1:]:
|
||||
mod = getattr(mod, component)
|
||||
req_cls = getattr(mod, clsname)
|
||||
|
||||
config.requirements = testing.requires = req_cls()
|
||||
|
||||
|
||||
@post
|
||||
def _prep_testing_database(options, file_config):
|
||||
from sqlalchemy.testing import config
|
||||
from sqlalchemy import schema, inspect
|
||||
|
||||
if options.dropfirst:
|
||||
for cfg in config.Config.all_configs():
|
||||
e = cfg.db
|
||||
inspector = inspect(e)
|
||||
try:
|
||||
view_names = inspector.get_view_names()
|
||||
except NotImplementedError:
|
||||
pass
|
||||
else:
|
||||
for vname in view_names:
|
||||
e.execute(schema._DropView(
|
||||
schema.Table(vname, schema.MetaData())
|
||||
))
|
||||
|
||||
if config.requirements.schemas.enabled_for_config(cfg):
|
||||
try:
|
||||
view_names = inspector.get_view_names(
|
||||
schema="test_schema")
|
||||
except NotImplementedError:
|
||||
pass
|
||||
else:
|
||||
for vname in view_names:
|
||||
e.execute(schema._DropView(
|
||||
schema.Table(vname, schema.MetaData(),
|
||||
schema="test_schema")
|
||||
))
|
||||
|
||||
for tname in reversed(inspector.get_table_names(
|
||||
order_by="foreign_key")):
|
||||
e.execute(schema.DropTable(
|
||||
schema.Table(tname, schema.MetaData())
|
||||
))
|
||||
|
||||
if config.requirements.schemas.enabled_for_config(cfg):
|
||||
for tname in reversed(inspector.get_table_names(
|
||||
order_by="foreign_key", schema="test_schema")):
|
||||
e.execute(schema.DropTable(
|
||||
schema.Table(tname, schema.MetaData(),
|
||||
schema="test_schema")
|
||||
))
|
||||
|
||||
|
||||
@post
|
||||
def _set_table_options(options, file_config):
|
||||
from sqlalchemy.testing import schema
|
||||
|
||||
table_options = schema.table_options
|
||||
for spec in options.tableopts:
|
||||
key, value = spec.split('=')
|
||||
table_options[key] = value
|
||||
|
||||
if options.mysql_engine:
|
||||
table_options['mysql_engine'] = options.mysql_engine
|
||||
|
||||
|
||||
@post
|
||||
def _reverse_topological(options, file_config):
|
||||
if options.reversetop:
|
||||
from sqlalchemy.orm.util import randomize_unitofwork
|
||||
randomize_unitofwork()
|
||||
|
||||
|
||||
@post
|
||||
def _post_setup_options(opt, file_config):
|
||||
from sqlalchemy.testing import config
|
||||
config.options = options
|
||||
config.file_config = file_config
|
||||
|
||||
|
||||
@post
|
||||
def _setup_profiling(options, file_config):
|
||||
from sqlalchemy.testing import profiling
|
||||
profiling._profile_stats = profiling.ProfileStatsFile(
|
||||
file_config.get('sqla_testing', 'profile_file'))
|
||||
|
||||
|
||||
def want_class(cls):
|
||||
if not issubclass(cls, fixtures.TestBase):
|
||||
return False
|
||||
elif cls.__name__.startswith('_'):
|
||||
return False
|
||||
elif config.options.backend_only and not getattr(cls, '__backend__',
|
||||
False):
|
||||
return False
|
||||
else:
|
||||
return True
|
||||
|
||||
|
||||
def generate_sub_tests(cls, module):
|
||||
if getattr(cls, '__backend__', False):
|
||||
for cfg in _possible_configs_for_cls(cls):
|
||||
name = "%s_%s_%s" % (cls.__name__, cfg.db.name, cfg.db.driver)
|
||||
subcls = type(
|
||||
name,
|
||||
(cls, ),
|
||||
{
|
||||
"__only_on__": ("%s+%s" % (cfg.db.name, cfg.db.driver)),
|
||||
"__backend__": False}
|
||||
)
|
||||
setattr(module, name, subcls)
|
||||
yield subcls
|
||||
else:
|
||||
yield cls
|
||||
|
||||
|
||||
def start_test_class(cls):
|
||||
_do_skips(cls)
|
||||
_setup_engine(cls)
|
||||
|
||||
|
||||
def stop_test_class(cls):
|
||||
engines.testing_reaper._stop_test_ctx()
|
||||
if not options.low_connections:
|
||||
assertions.global_cleanup_assertions()
|
||||
_restore_engine()
|
||||
|
||||
|
||||
def _restore_engine():
|
||||
config._current.reset(testing)
|
||||
|
||||
|
||||
def _setup_engine(cls):
|
||||
if getattr(cls, '__engine_options__', None):
|
||||
eng = engines.testing_engine(options=cls.__engine_options__)
|
||||
config._current.push_engine(eng, testing)
|
||||
|
||||
|
||||
def before_test(test, test_module_name, test_class, test_name):
|
||||
|
||||
# like a nose id, e.g.:
|
||||
# "test.aaa_profiling.test_compiler.CompileTest.test_update_whereclause"
|
||||
name = test_class.__name__
|
||||
|
||||
suffix = "_%s_%s" % (config.db.name, config.db.driver)
|
||||
if name.endswith(suffix):
|
||||
name = name[0:-(len(suffix))]
|
||||
|
||||
id_ = "%s.%s.%s" % (test_module_name, name, test_name)
|
||||
|
||||
warnings.resetwarnings()
|
||||
profiling._current_test = id_
|
||||
|
||||
|
||||
def after_test(test):
|
||||
engines.testing_reaper._after_test_ctx()
|
||||
warnings.resetwarnings()
|
||||
|
||||
|
||||
def _possible_configs_for_cls(cls):
|
||||
all_configs = set(config.Config.all_configs())
|
||||
if cls.__unsupported_on__:
|
||||
spec = exclusions.db_spec(*cls.__unsupported_on__)
|
||||
for config_obj in list(all_configs):
|
||||
if spec(config_obj):
|
||||
all_configs.remove(config_obj)
|
||||
if getattr(cls, '__only_on__', None):
|
||||
spec = exclusions.db_spec(*util.to_list(cls.__only_on__))
|
||||
for config_obj in list(all_configs):
|
||||
if not spec(config_obj):
|
||||
all_configs.remove(config_obj)
|
||||
return all_configs
|
||||
|
||||
|
||||
def _do_skips(cls):
|
||||
all_configs = _possible_configs_for_cls(cls)
|
||||
reasons = []
|
||||
|
||||
if hasattr(cls, '__requires__'):
|
||||
requirements = config.requirements
|
||||
for config_obj in list(all_configs):
|
||||
for requirement in cls.__requires__:
|
||||
check = getattr(requirements, requirement)
|
||||
|
||||
if check.predicate(config_obj):
|
||||
all_configs.remove(config_obj)
|
||||
if check.reason:
|
||||
reasons.append(check.reason)
|
||||
break
|
||||
|
||||
if hasattr(cls, '__prefer_requires__'):
|
||||
non_preferred = set()
|
||||
requirements = config.requirements
|
||||
for config_obj in list(all_configs):
|
||||
for requirement in cls.__prefer_requires__:
|
||||
check = getattr(requirements, requirement)
|
||||
|
||||
if check.predicate(config_obj):
|
||||
non_preferred.add(config_obj)
|
||||
if all_configs.difference(non_preferred):
|
||||
all_configs.difference_update(non_preferred)
|
||||
|
||||
if getattr(cls, '__skip_if__', False):
|
||||
for c in getattr(cls, '__skip_if__'):
|
||||
if c():
|
||||
raise SkipTest("'%s' skipped by %s" % (
|
||||
cls.__name__, c.__name__)
|
||||
)
|
||||
|
||||
for db_spec, op, spec in getattr(cls, '__excluded_on__', ()):
|
||||
for config_obj in list(all_configs):
|
||||
if exclusions.skip_if(
|
||||
exclusions.SpecPredicate(db_spec, op, spec)
|
||||
).predicate(config_obj):
|
||||
all_configs.remove(config_obj)
|
||||
if not all_configs:
|
||||
raise SkipTest(
|
||||
"'%s' unsupported on DB implementation %s%s" % (
|
||||
cls.__name__,
|
||||
", ".join("'%s' = %s"
|
||||
% (config_obj.db.name,
|
||||
config_obj.db.dialect.server_version_info)
|
||||
for config_obj in config.Config.all_configs()
|
||||
),
|
||||
", ".join(reasons)
|
||||
)
|
||||
)
|
||||
elif hasattr(cls, '__prefer_backends__'):
|
||||
non_preferred = set()
|
||||
spec = exclusions.db_spec(*util.to_list(cls.__prefer_backends__))
|
||||
for config_obj in all_configs:
|
||||
if not spec(config_obj):
|
||||
non_preferred.add(config_obj)
|
||||
if all_configs.difference(non_preferred):
|
||||
all_configs.difference_update(non_preferred)
|
||||
|
||||
if config._current not in all_configs:
|
||||
_setup_config(all_configs.pop(), cls)
|
||||
|
||||
|
||||
def _setup_config(config_obj, ctx):
|
||||
config._current.push(config_obj, testing)
|
||||
|
|
@ -0,0 +1,136 @@
|
|||
import pytest
|
||||
import argparse
|
||||
import inspect
|
||||
from . import plugin_base
|
||||
import collections
|
||||
|
||||
|
||||
def pytest_addoption(parser):
|
||||
group = parser.getgroup("sqlalchemy")
|
||||
|
||||
def make_option(name, **kw):
|
||||
callback_ = kw.pop("callback", None)
|
||||
if callback_:
|
||||
class CallableAction(argparse.Action):
|
||||
def __call__(self, parser, namespace,
|
||||
values, option_string=None):
|
||||
callback_(option_string, values, parser)
|
||||
kw["action"] = CallableAction
|
||||
|
||||
group.addoption(name, **kw)
|
||||
|
||||
plugin_base.setup_options(make_option)
|
||||
plugin_base.read_config()
|
||||
|
||||
|
||||
def pytest_configure(config):
|
||||
plugin_base.pre_begin(config.option)
|
||||
|
||||
plugin_base.set_coverage_flag(bool(getattr(config.option,
|
||||
"cov_source", False)))
|
||||
|
||||
plugin_base.post_begin()
|
||||
|
||||
|
||||
def pytest_collection_modifyitems(session, config, items):
|
||||
# look for all those classes that specify __backend__ and
|
||||
# expand them out into per-database test cases.
|
||||
|
||||
# this is much easier to do within pytest_pycollect_makeitem, however
|
||||
# pytest is iterating through cls.__dict__ as makeitem is
|
||||
# called which causes a "dictionary changed size" error on py3k.
|
||||
# I'd submit a pullreq for them to turn it into a list first, but
|
||||
# it's to suit the rather odd use case here which is that we are adding
|
||||
# new classes to a module on the fly.
|
||||
|
||||
rebuilt_items = collections.defaultdict(list)
|
||||
test_classes = set(item.parent for item in items)
|
||||
for test_class in test_classes:
|
||||
for sub_cls in plugin_base.generate_sub_tests(
|
||||
test_class.cls, test_class.parent.module):
|
||||
if sub_cls is not test_class.cls:
|
||||
list_ = rebuilt_items[test_class.cls]
|
||||
|
||||
for inst in pytest.Class(
|
||||
sub_cls.__name__,
|
||||
parent=test_class.parent.parent).collect():
|
||||
list_.extend(inst.collect())
|
||||
|
||||
newitems = []
|
||||
for item in items:
|
||||
if item.parent.cls in rebuilt_items:
|
||||
newitems.extend(rebuilt_items[item.parent.cls])
|
||||
rebuilt_items[item.parent.cls][:] = []
|
||||
else:
|
||||
newitems.append(item)
|
||||
|
||||
# seems like the functions attached to a test class aren't sorted already?
|
||||
# is that true and why's that? (when using unittest, they're sorted)
|
||||
items[:] = sorted(newitems, key=lambda item: (
|
||||
item.parent.parent.parent.name,
|
||||
item.parent.parent.name,
|
||||
item.name
|
||||
))
|
||||
|
||||
|
||||
def pytest_pycollect_makeitem(collector, name, obj):
|
||||
|
||||
if inspect.isclass(obj) and plugin_base.want_class(obj):
|
||||
return pytest.Class(name, parent=collector)
|
||||
elif inspect.isfunction(obj) and \
|
||||
name.startswith("test_") and \
|
||||
isinstance(collector, pytest.Instance):
|
||||
return pytest.Function(name, parent=collector)
|
||||
else:
|
||||
return []
|
||||
|
||||
_current_class = None
|
||||
|
||||
|
||||
def pytest_runtest_setup(item):
|
||||
# here we seem to get called only based on what we collected
|
||||
# in pytest_collection_modifyitems. So to do class-based stuff
|
||||
# we have to tear that out.
|
||||
global _current_class
|
||||
|
||||
if not isinstance(item, pytest.Function):
|
||||
return
|
||||
|
||||
# ... so we're doing a little dance here to figure it out...
|
||||
if item.parent.parent is not _current_class:
|
||||
|
||||
class_setup(item.parent.parent)
|
||||
_current_class = item.parent.parent
|
||||
|
||||
# this is needed for the class-level, to ensure that the
|
||||
# teardown runs after the class is completed with its own
|
||||
# class-level teardown...
|
||||
item.parent.parent.addfinalizer(
|
||||
lambda: class_teardown(item.parent.parent))
|
||||
|
||||
test_setup(item)
|
||||
|
||||
|
||||
def pytest_runtest_teardown(item):
|
||||
# ...but this works better as the hook here rather than
|
||||
# using a finalizer, as the finalizer seems to get in the way
|
||||
# of the test reporting failures correctly (you get a bunch of
|
||||
# py.test assertion stuff instead)
|
||||
test_teardown(item)
|
||||
|
||||
|
||||
def test_setup(item):
|
||||
plugin_base.before_test(item, item.parent.module.__name__,
|
||||
item.parent.cls, item.name)
|
||||
|
||||
|
||||
def test_teardown(item):
|
||||
plugin_base.after_test(item)
|
||||
|
||||
|
||||
def class_setup(item):
|
||||
plugin_base.start_test_class(item.cls)
|
||||
|
||||
|
||||
def class_teardown(item):
|
||||
plugin_base.stop_test_class(item.cls)
|
||||
Loading…
Add table
Add a link
Reference in a new issue