test_sqlite3.test_dbapi: test_deserialize_too_much_data_64bit uses undefined size (and requires 24 Exabytes of RAM)

[The-Compiler]

Bug report

In a755124 (GH-26728, v3.11.0a7), @erlend-aasland added a test_deserialize_too_much_data_64bit, which would instantly raise a NameError for size if run:

cpython/Lib/test/test_sqlite3/test_dbapi.py

Lines 629 to 634 in b2694ab

	@unittest.skipUnless(sys.maxsize > 2**32, 'requires 64bit platform')
	@bigmemtest(size=2**63, memuse=3, dry_run=False)
	def test_deserialize_too_much_data_64bit(self):
	with memory_database() as cx:
	with self.assertRaisesRegex(OverflowError, "'data' is too large"):
	cx.deserialize(b"b" * size)

...however, it's never actually run, because it's skipped on machines with less than 24 Exabytes (!) of RAM:

test_deserialize_too_much_data_64bit (test.test_sqlite3.test_dbapi.SerializeTests.test_deserialize_too_much_data_64bit) ... skipped 'not enough memory: 25769803776.0G minimum needed'

(Found by running flake8 over Lib/ out of curiosity, see #93010 (comment))

[erlend-aasland]

Thanks for the report! Do you want to propose a PR, @The-Compiler?

[The-Compiler]

I'm afraid I have no idea how a proper fix would look like. Is the test really supposed to need exabytes of RAM? If so, it should probably just be removed altogether?

[erlend-aasland]

The test is not needed; see Serhiy's comment: #93154 (comment)