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from sqlalchemy.testing import eq_
from sqlalchemy.testing import expect_deprecated
from sqlalchemy.testing import fixtures
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 = 100
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)
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