update sqlalchemy

This commit is contained in:
Jan Gerber 2016-02-22 13:17:39 +01:00
commit a4267212e4
192 changed files with 17429 additions and 9601 deletions

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@ -1,5 +1,5 @@
# testing/exclusions.py
# Copyright (C) 2005-2014 the SQLAlchemy authors and contributors
# Copyright (C) 2005-2016 the SQLAlchemy authors and contributors
# <see AUTHORS file>
#
# This module is part of SQLAlchemy and is released under
@ -7,87 +7,161 @@
import operator
from .plugin.plugin_base import SkipTest
from ..util import decorator
from . import config
from .. import util
import contextlib
import inspect
import contextlib
from sqlalchemy.util.compat import inspect_getargspec
class skip_if(object):
def __init__(self, predicate, reason=None):
self.predicate = _as_predicate(predicate)
self.reason = reason
def skip_if(predicate, reason=None):
rule = compound()
pred = _as_predicate(predicate, reason)
rule.skips.add(pred)
return rule
_fails_on = None
def fails_if(predicate, reason=None):
rule = compound()
pred = _as_predicate(predicate, reason)
rule.fails.add(pred)
return rule
class compound(object):
def __init__(self):
self.fails = set()
self.skips = set()
self.tags = set()
def __add__(self, other):
def decorate(fn):
return other(self(fn))
return decorate
return self.add(other)
def add(self, *others):
copy = compound()
copy.fails.update(self.fails)
copy.skips.update(self.skips)
copy.tags.update(self.tags)
for other in others:
copy.fails.update(other.fails)
copy.skips.update(other.skips)
copy.tags.update(other.tags)
return copy
def not_(self):
copy = compound()
copy.fails.update(NotPredicate(fail) for fail in self.fails)
copy.skips.update(NotPredicate(skip) for skip in self.skips)
copy.tags.update(self.tags)
return copy
@property
def enabled(self):
return self.enabled_for_config(config._current)
def enabled_for_config(self, config):
return not self.predicate(config)
for predicate in self.skips.union(self.fails):
if predicate(config):
return False
else:
return True
def matching_config_reasons(self, config):
return [
predicate._as_string(config) for predicate
in self.skips.union(self.fails)
if predicate(config)
]
def include_test(self, include_tags, exclude_tags):
return bool(
not self.tags.intersection(exclude_tags) and
(not include_tags or self.tags.intersection(include_tags))
)
def _extend(self, other):
self.skips.update(other.skips)
self.fails.update(other.fails)
self.tags.update(other.tags)
def __call__(self, fn):
if hasattr(fn, '_sa_exclusion_extend'):
fn._sa_exclusion_extend._extend(self)
return fn
@decorator
def decorate(fn, *args, **kw):
return self._do(config._current, fn, *args, **kw)
decorated = decorate(fn)
decorated._sa_exclusion_extend = self
return decorated
@contextlib.contextmanager
def fail_if(self, name='block'):
def fail_if(self):
all_fails = compound()
all_fails.fails.update(self.skips.union(self.fails))
try:
yield
except Exception as ex:
if self.predicate(config._current):
print(("%s failed as expected (%s): %s " % (
name, self.predicate, str(ex))))
else:
raise
all_fails._expect_failure(config._current, ex)
else:
if self.predicate(config._current):
raise AssertionError(
"Unexpected success for '%s' (%s)" %
(name, self.predicate))
all_fails._expect_success(config._current)
def __call__(self, fn):
@decorator
def decorate(fn, *args, **kw):
if self.predicate(config._current):
if self.reason:
msg = "'%s' : %s" % (
fn.__name__,
self.reason
def _do(self, config, fn, *args, **kw):
for skip in self.skips:
if skip(config):
msg = "'%s' : %s" % (
fn.__name__,
skip._as_string(config)
)
config.skip_test(msg)
try:
return_value = fn(*args, **kw)
except Exception as ex:
self._expect_failure(config, ex, name=fn.__name__)
else:
self._expect_success(config, name=fn.__name__)
return return_value
def _expect_failure(self, config, ex, name='block'):
for fail in self.fails:
if fail(config):
print(("%s failed as expected (%s): %s " % (
name, fail._as_string(config), str(ex))))
break
else:
util.raise_from_cause(ex)
def _expect_success(self, config, name='block'):
if not self.fails:
return
for fail in self.fails:
if not fail(config):
break
else:
raise AssertionError(
"Unexpected success for '%s' (%s)" %
(
name,
" and ".join(
fail._as_string(config)
for fail in self.fails
)
else:
msg = "'%s': %s" % (
fn.__name__, self.predicate
)
raise SkipTest(msg)
else:
if self._fails_on:
with self._fails_on.fail_if(name=fn.__name__):
return fn(*args, **kw)
else:
return fn(*args, **kw)
return decorate(fn)
def fails_on(self, other, reason=None):
self._fails_on = skip_if(other, reason)
return self
def fails_on_everything_except(self, *dbs):
self._fails_on = skip_if(fails_on_everything_except(*dbs))
return self
)
)
class fails_if(skip_if):
def __call__(self, fn):
@decorator
def decorate(fn, *args, **kw):
with self.fail_if(name=fn.__name__):
return fn(*args, **kw)
return decorate(fn)
def requires_tag(tagname):
return tags([tagname])
def tags(tagnames):
comp = compound()
comp.tags.update(tagnames)
return comp
def only_if(predicate, reason=None):
@ -102,13 +176,17 @@ def succeeds_if(predicate, reason=None):
class Predicate(object):
@classmethod
def as_predicate(cls, predicate):
if isinstance(predicate, skip_if):
return NotPredicate(predicate.predicate)
def as_predicate(cls, predicate, description=None):
if isinstance(predicate, compound):
return cls.as_predicate(predicate.enabled_for_config, description)
elif isinstance(predicate, Predicate):
if description and predicate.description is None:
predicate.description = description
return predicate
elif isinstance(predicate, list):
return OrPredicate([cls.as_predicate(pred) for pred in predicate])
elif isinstance(predicate, (list, set)):
return OrPredicate(
[cls.as_predicate(pred) for pred in predicate],
description)
elif isinstance(predicate, tuple):
return SpecPredicate(*predicate)
elif isinstance(predicate, util.string_types):
@ -119,12 +197,26 @@ class Predicate(object):
op = tokens.pop(0)
if tokens:
spec = tuple(int(d) for d in tokens.pop(0).split("."))
return SpecPredicate(db, op, spec)
return SpecPredicate(db, op, spec, description=description)
elif util.callable(predicate):
return LambdaPredicate(predicate)
return LambdaPredicate(predicate, description)
else:
assert False, "unknown predicate type: %s" % predicate
def _format_description(self, config, negate=False):
bool_ = self(config)
if negate:
bool_ = not negate
return self.description % {
"driver": config.db.url.get_driver_name(),
"database": config.db.url.get_backend_name(),
"doesnt_support": "doesn't support" if bool_ else "does support",
"does_support": "does support" if bool_ else "doesn't support"
}
def _as_string(self, config=None, negate=False):
raise NotImplementedError()
class BooleanPredicate(Predicate):
def __init__(self, value, description=None):
@ -134,14 +226,8 @@ class BooleanPredicate(Predicate):
def __call__(self, config):
return self.value
def _as_string(self, negate=False):
if negate:
return "not " + self.description
else:
return self.description
def __str__(self):
return self._as_string()
def _as_string(self, config, negate=False):
return self._format_description(config, negate=negate)
class SpecPredicate(Predicate):
@ -185,9 +271,9 @@ class SpecPredicate(Predicate):
else:
return True
def _as_string(self, negate=False):
def _as_string(self, config, negate=False):
if self.description is not None:
return self.description
return self._format_description(config)
elif self.op is None:
if negate:
return "not %s" % self.db
@ -207,13 +293,10 @@ class SpecPredicate(Predicate):
self.spec
)
def __str__(self):
return self._as_string()
class LambdaPredicate(Predicate):
def __init__(self, lambda_, description=None, args=None, kw=None):
spec = inspect.getargspec(lambda_)
spec = inspect_getargspec(lambda_)
if not spec[0]:
self.lambda_ = lambda db: lambda_()
else:
@ -230,25 +313,23 @@ class LambdaPredicate(Predicate):
def __call__(self, config):
return self.lambda_(config)
def _as_string(self, negate=False):
if negate:
return "not " + self.description
else:
return self.description
def __str__(self):
return self._as_string()
def _as_string(self, config, negate=False):
return self._format_description(config)
class NotPredicate(Predicate):
def __init__(self, predicate):
def __init__(self, predicate, description=None):
self.predicate = predicate
self.description = description
def __call__(self, config):
return not self.predicate(config)
def __str__(self):
return self.predicate._as_string(True)
def _as_string(self, config, negate=False):
if self.description:
return self._format_description(config, not negate)
else:
return self.predicate._as_string(config, not negate)
class OrPredicate(Predicate):
@ -259,40 +340,32 @@ class OrPredicate(Predicate):
def __call__(self, config):
for pred in self.predicates:
if pred(config):
self._str = pred
return True
return False
_str = None
def _eval_str(self, negate=False):
if self._str is None:
if negate:
conjunction = " and "
else:
conjunction = " or "
return conjunction.join(p._as_string(negate=negate)
for p in self.predicates)
else:
return self._str._as_string(negate=negate)
def _negation_str(self):
if self.description is not None:
return "Not " + (self.description % {"spec": self._str})
else:
return self._eval_str(negate=True)
def _as_string(self, negate=False):
def _eval_str(self, config, negate=False):
if negate:
return self._negation_str()
conjunction = " and "
else:
conjunction = " or "
return conjunction.join(p._as_string(config, negate=negate)
for p in self.predicates)
def _negation_str(self, config):
if self.description is not None:
return "Not " + self._format_description(config)
else:
return self._eval_str(config, negate=True)
def _as_string(self, config, negate=False):
if negate:
return self._negation_str(config)
else:
if self.description is not None:
return self.description % {"spec": self._str}
return self._format_description(config)
else:
return self._eval_str()
return self._eval_str(config)
def __str__(self):
return self._as_string()
_as_predicate = Predicate.as_predicate
@ -325,8 +398,8 @@ def closed():
return skip_if(BooleanPredicate(True, "marked as skip"))
def fails():
return fails_if(BooleanPredicate(True, "expected to fail"))
def fails(reason=None):
return fails_if(BooleanPredicate(True, reason or "expected to fail"))
@decorator
@ -341,8 +414,8 @@ def fails_on(db, reason=None):
def fails_on_everything_except(*dbs):
return succeeds_if(
OrPredicate([
SpecPredicate(db) for db in dbs
])
SpecPredicate(db) for db in dbs
])
)
@ -352,7 +425,7 @@ def skip(db, reason=None):
def only_on(dbs, reason=None):
return only_if(
OrPredicate([SpecPredicate(db) for db in util.to_list(dbs)])
OrPredicate([Predicate.as_predicate(db) for db in util.to_list(dbs)])
)