bpo-44958: Fix ref. leak introduced in GH-27844 (GH-28490) · python/cpython@3e3ff09 (original) (raw)

`@@ -28,6 +28,8 @@

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`import functools

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`from test import support

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from .test_dbapi import managed_connect

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+

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`class RegressionTests(unittest.TestCase):

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`def setUp(self):

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`self.con = sqlite.connect(":memory:")

`@@ -437,38 +439,41 @@ def test_return_empty_bytestring(self):

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`self.assertEqual(val, b'')

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`def test_table_lock_cursor_replace_stmt(self):

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con = sqlite.connect(":memory:")

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cur = con.cursor()

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cur.execute("create table t(t)")

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cur.executemany("insert into t values(?)", ((v,) for v in range(5)))

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con.commit()

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cur.execute("select t from t")

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cur.execute("drop table t")

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con.commit()

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with managed_connect(":memory:", in_mem=True) as con:

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cur = con.cursor()

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cur.execute("create table t(t)")

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cur.executemany("insert into t values(?)",

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((v,) for v in range(5)))

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con.commit()

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cur.execute("select t from t")

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cur.execute("drop table t")

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con.commit()

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`def test_table_lock_cursor_dealloc(self):

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con = sqlite.connect(":memory:")

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con.execute("create table t(t)")

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con.executemany("insert into t values(?)", ((v,) for v in range(5)))

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con.commit()

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cur = con.execute("select t from t")

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del cur

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con.execute("drop table t")

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con.commit()

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with managed_connect(":memory:", in_mem=True) as con:

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con.execute("create table t(t)")

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con.executemany("insert into t values(?)",

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((v,) for v in range(5)))

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con.commit()

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cur = con.execute("select t from t")

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del cur

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con.execute("drop table t")

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con.commit()

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`def test_table_lock_cursor_non_readonly_select(self):

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con = sqlite.connect(":memory:")

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con.execute("create table t(t)")

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con.executemany("insert into t values(?)", ((v,) for v in range(5)))

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con.commit()

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def dup(v):

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con.execute("insert into t values(?)", (v,))

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return

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con.create_function("dup", 1, dup)

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cur = con.execute("select dup(t) from t")

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del cur

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con.execute("drop table t")

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con.commit()

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with managed_connect(":memory:", in_mem=True) as con:

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con.execute("create table t(t)")

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con.executemany("insert into t values(?)",

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((v,) for v in range(5)))

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con.commit()

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def dup(v):

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con.execute("insert into t values(?)", (v,))

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return

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con.create_function("dup", 1, dup)

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cur = con.execute("select dup(t) from t")

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del cur

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con.execute("drop table t")

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con.commit()

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`if name == "main":