gh-99659: Use correct exceptions in sqlite3 bigmem tests (#99660)

The tests in question were added in 0eec6276fdcd by Serhiy. Apparently,
sqlite3 changed exceptions raised in those cases in the mean time but
the tests never ran because they require a high `-M` setting in the
test runner.

diff --git a/Lib/test/test_sqlite3/test_types.py b/Lib/test/test_sqlite3/test_types.py
index 62318823510d40837e7153aacf71aff99c6113f7..5e0ff353cbbd6bfe04890a7779e784b903d55d7f 100644 (file)
--- a/Lib/test/test_sqlite3/test_types.py
+++ b/Lib/test/test_sqlite3/test_types.py
@@ -106,9 +106,9 @@ class SqliteTypeTests(unittest.TestCase):
     @unittest.skipUnless(sys.maxsize > 2**32, 'requires 64bit platform')
     @support.bigmemtest(size=2**31, memuse=4, dry_run=False)
     def test_too_large_string(self, maxsize):
-        with self.assertRaises(sqlite.InterfaceError):
+        with self.assertRaises(sqlite.DataError):
             self.cur.execute("insert into test(s) values (?)", ('x'*(2**31-1),))
-        with self.assertRaises(OverflowError):
+        with self.assertRaises(sqlite.DataError):
             self.cur.execute("insert into test(s) values (?)", ('x'*(2**31),))
         self.cur.execute("select 1 from test")
         row = self.cur.fetchone()
@@ -117,9 +117,9 @@ class SqliteTypeTests(unittest.TestCase):
     @unittest.skipUnless(sys.maxsize > 2**32, 'requires 64bit platform')
     @support.bigmemtest(size=2**31, memuse=3, dry_run=False)
     def test_too_large_blob(self, maxsize):
-        with self.assertRaises(sqlite.InterfaceError):
+        with self.assertRaises(sqlite.DataError):
             self.cur.execute("insert into test(s) values (?)", (b'x'*(2**31-1),))
-        with self.assertRaises(OverflowError):
+        with self.assertRaises(sqlite.DataError):
             self.cur.execute("insert into test(s) values (?)", (b'x'*(2**31),))
         self.cur.execute("select 1 from test")
         row = self.cur.fetchone()

diff --git a/Misc/NEWS.d/next/Tests/2022-11-21-19-21-30.gh-issue-99659.4gP0nm.rst b/Misc/NEWS.d/next/Tests/2022-11-21-19-21-30.gh-issue-99659.4gP0nm.rst
new file mode 100644 (file)
index 0000000..3db1ec1
--- /dev/null
+++ b/Misc/NEWS.d/next/Tests/2022-11-21-19-21-30.gh-issue-99659.4gP0nm.rst
@@ -0,0 +1,3 @@
+Optional big memory tests in ``test_sqlite3`` now catch the correct
+:exc:`sqlite.DataError` exception type in case of too large strings and/or
+blobs passed.