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from sqlalchemy import testing
from sqlalchemy.exc import SADeprecationWarning
from sqlalchemy.testing import eq_
from sqlalchemy.testing import expect_deprecated
from sqlalchemy.testing import fixtures
from sqlalchemy.util.deprecations import _decorate_cls_with_warning
from sqlalchemy.util.deprecations import warn_deprecated_limited
from sqlalchemy.util.langhelpers import _hash_limit_string
class WarnDeprecatedLimitedTest(fixtures.TestBase):
__backend__ = False
def test_warn_deprecated_limited_text(self):
with expect_deprecated("foo has been deprecated"):
warn_deprecated_limited(
"%s has been deprecated [%d]", ("foo", 1), "1.3"
)
def test_warn_deprecated_limited_cap(self):
"""warn_deprecated_limited() and warn_limited() use
_hash_limit_string
actually just verifying that _hash_limit_string works as expected
"""
occurrences = 500
cap = 10
printouts = set()
messages = set()
for i in range(occurrences):
message = _hash_limit_string(
"this is a unique message: %d", cap, (i,)
)
printouts.add(str(message))
messages.add(message)
eq_(len(printouts), occurrences)
eq_(len(messages), cap)
class ClsWarningTest(fixtures.TestBase):
@testing.fixture
def dep_cls_fixture(self):
class Connectable:
"""a docstring"""
some_member = "foo"
Connectable = _decorate_cls_with_warning(
Connectable,
None,
SADeprecationWarning,
"a message",
"2.0",
"another message",
)
return Connectable
def test_dep_inspectable(self, dep_cls_fixture):
"""test #8115"""
import inspect
class PlainClass:
some_member = "bar"
pc_keys = dict(inspect.getmembers(PlainClass()))
insp_keys = dict(inspect.getmembers(dep_cls_fixture()))
assert set(insp_keys).intersection(
(
"__class__",
"__doc__",
"__eq__",
"__dict__",
"__weakref__",
"some_member",
)
)
eq_(set(pc_keys), set(insp_keys))
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