mirror of
https://github.com/sqlalchemy/sqlalchemy.git
synced 2026-05-06 17:01:07 -04:00
Mike Bayer
ef04a40110
hash_limit_string works by doing a modulus of a hash value so that the range of possible numbers is 0-N. however, there's a chance we might not populate every 0-N value in unusual cases on CI, even after iterating 500 times apparently. Loosen the change by making sure we got at least N/2 unique hash messages but not greater than N. Change-Id: I5cd2845697ec0a718ddca1c95fbc4867b06eabee
83 lines
2.3 KiB
Python
83 lines
2.3 KiB
Python
from sqlalchemy import testing
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from sqlalchemy.exc import SADeprecationWarning
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from sqlalchemy.testing import eq_
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from sqlalchemy.testing import expect_deprecated
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from sqlalchemy.testing import fixtures
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from sqlalchemy.util.deprecations import _decorate_cls_with_warning
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from sqlalchemy.util.deprecations import warn_deprecated_limited
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from sqlalchemy.util.langhelpers import _hash_limit_string
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class WarnDeprecatedLimitedTest(fixtures.TestBase):
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__backend__ = False
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def test_warn_deprecated_limited_text(self):
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with expect_deprecated("foo has been deprecated"):
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warn_deprecated_limited(
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"%s has been deprecated [%d]", ("foo", 1), "1.3"
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)
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def test_warn_deprecated_limited_cap(self):
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"""warn_deprecated_limited() and warn_limited() use
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_hash_limit_string
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actually just verifying that _hash_limit_string works as expected
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"""
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occurrences = 500
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cap = 10
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printouts = set()
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messages = set()
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for i in range(occurrences):
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message = _hash_limit_string(
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"this is a unique message: %d", cap, (i,)
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)
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printouts.add(str(message))
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messages.add(message)
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eq_(len(printouts), occurrences)
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assert cap / 2 < len(messages) <= cap
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class ClsWarningTest(fixtures.TestBase):
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@testing.fixture
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def dep_cls_fixture(self):
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class Connectable:
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"""a docstring"""
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some_member = "foo"
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Connectable = _decorate_cls_with_warning(
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Connectable,
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None,
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SADeprecationWarning,
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"a message",
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"2.0",
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"another message",
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)
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return Connectable
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def test_dep_inspectable(self, dep_cls_fixture):
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"""test #8115"""
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import inspect
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class PlainClass:
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some_member = "bar"
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pc_keys = dict(inspect.getmembers(PlainClass()))
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insp_keys = dict(inspect.getmembers(dep_cls_fixture()))
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assert set(insp_keys).intersection(
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(
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"__class__",
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"__doc__",
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"__eq__",
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"__dict__",
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"__weakref__",
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"some_member",
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)
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)
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eq_(set(pc_keys), set(insp_keys))
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