From f28316620c552dadb4279bc6938003ab8e68052a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C5=81ukasz=20Langa?= <lukasz@langa.pl>
Date: Thu, 23 May 2024 13:28:31 -0400
Subject: [PATCH] gh-119469: Fix _pyrepl reference leaks (GH-119470) (cherry
 picked from commit 6e012ced6cc07a7502278e1849c5618d1ab54a08)
MIME-Version: 1.0
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Co-authored-by: Łukasz Langa <lukasz@langa.pl>
---
 Lib/test/test_pyrepl/test_interact.py     |  6 +++-
 Lib/test/test_pyrepl/test_unix_console.py | 36 ++++++++++++++++-------
 2 files changed, 30 insertions(+), 12 deletions(-)

diff --git a/Lib/test/test_pyrepl/test_interact.py b/Lib/test/test_pyrepl/test_interact.py
index b3dc07c063f90e..10e34045bcf92d 100644
--- a/Lib/test/test_pyrepl/test_interact.py
+++ b/Lib/test/test_pyrepl/test_interact.py
@@ -27,9 +27,11 @@ def bar(self):
         a
         """)
         console = InteractiveColoredConsole(namespace, filename="<stdin>")
+        f = io.StringIO()
         with (
             patch.object(InteractiveColoredConsole, "showsyntaxerror") as showsyntaxerror,
             patch.object(InteractiveColoredConsole, "runsource", wraps=console.runsource) as runsource,
+            contextlib.redirect_stdout(f),
         ):
             more = console.push(code, filename="<stdin>", _symbol="single")  # type: ignore[call-arg]
         self.assertFalse(more)
@@ -71,7 +73,9 @@ def test_runsource_compiles_and_runs_code(self):
     def test_runsource_returns_false_for_successful_compilation(self):
         console = InteractiveColoredConsole()
         source = "print('Hello, world!')"
-        result = console.runsource(source)
+        f = io.StringIO()
+        with contextlib.redirect_stdout(f):
+            result = console.runsource(source)
         self.assertFalse(result)
 
     @force_not_colorized
diff --git a/Lib/test/test_pyrepl/test_unix_console.py b/Lib/test/test_pyrepl/test_unix_console.py
index cec3ae033325ac..e1faa00caafc27 100644
--- a/Lib/test/test_pyrepl/test_unix_console.py
+++ b/Lib/test/test_pyrepl/test_unix_console.py
@@ -112,17 +112,18 @@ class TestConsole(TestCase):
     def test_simple_addition(self, _os_write):
         code = "12+34"
         events = code_to_events(code)
-        _, _ = handle_events_unix_console(events)
+        _, con = handle_events_unix_console(events)
         _os_write.assert_any_call(ANY, b"1")
         _os_write.assert_any_call(ANY, b"2")
         _os_write.assert_any_call(ANY, b"+")
         _os_write.assert_any_call(ANY, b"3")
         _os_write.assert_any_call(ANY, b"4")
+        con.restore()
 
     def test_wrap(self, _os_write):
         code = "12+34"
         events = code_to_events(code)
-        _, _ = handle_events_narrow_unix_console(events)
+        _, con = handle_events_narrow_unix_console(events)
         _os_write.assert_any_call(ANY, b"1")
         _os_write.assert_any_call(ANY, b"2")
         _os_write.assert_any_call(ANY, b"+")
@@ -130,6 +131,8 @@ def test_wrap(self, _os_write):
         _os_write.assert_any_call(ANY, b"\\")
         _os_write.assert_any_call(ANY, b"\n")
         _os_write.assert_any_call(ANY, b"4")
+        con.restore()
+
 
     def test_cursor_left(self, _os_write):
         code = "1"
@@ -137,8 +140,9 @@ def test_cursor_left(self, _os_write):
             code_to_events(code),
             [Event(evt="key", data="left", raw=bytearray(b"\x1bOD"))],
         )
-        _, _ = handle_events_unix_console(events)
+        _, con = handle_events_unix_console(events)
         _os_write.assert_any_call(ANY, TERM_CAPABILITIES["cub"] + b":1")
+        con.restore()
 
     def test_cursor_left_right(self, _os_write):
         code = "1"
@@ -149,9 +153,10 @@ def test_cursor_left_right(self, _os_write):
                 Event(evt="key", data="right", raw=bytearray(b"\x1bOC")),
             ],
         )
-        _, _ = handle_events_unix_console(events)
+        _, con = handle_events_unix_console(events)
         _os_write.assert_any_call(ANY, TERM_CAPABILITIES["cub"] + b":1")
         _os_write.assert_any_call(ANY, TERM_CAPABILITIES["cuf"] + b":1")
+        con.restore()
 
     def test_cursor_up(self, _os_write):
         code = "1\n2+3"
@@ -159,8 +164,9 @@ def test_cursor_up(self, _os_write):
             code_to_events(code),
             [Event(evt="key", data="up", raw=bytearray(b"\x1bOA"))],
         )
-        _, _ = handle_events_unix_console(events)
+        _, con = handle_events_unix_console(events)
         _os_write.assert_any_call(ANY, TERM_CAPABILITIES["cuu"] + b":1")
+        con.restore()
 
     def test_cursor_up_down(self, _os_write):
         code = "1\n2+3"
@@ -171,9 +177,10 @@ def test_cursor_up_down(self, _os_write):
                 Event(evt="key", data="down", raw=bytearray(b"\x1bOB")),
             ],
         )
-        _, _ = handle_events_unix_console(events)
+        _, con = handle_events_unix_console(events)
         _os_write.assert_any_call(ANY, TERM_CAPABILITIES["cuu"] + b":1")
         _os_write.assert_any_call(ANY, TERM_CAPABILITIES["cud"] + b":1")
+        con.restore()
 
     def test_cursor_back_write(self, _os_write):
         events = itertools.chain(
@@ -181,10 +188,11 @@ def test_cursor_back_write(self, _os_write):
             [Event(evt="key", data="left", raw=bytearray(b"\x1bOD"))],
             code_to_events("2"),
         )
-        _, _ = handle_events_unix_console(events)
+        _, con = handle_events_unix_console(events)
         _os_write.assert_any_call(ANY, b"1")
         _os_write.assert_any_call(ANY, TERM_CAPABILITIES["cub"] + b":1")
         _os_write.assert_any_call(ANY, b"2")
+        con.restore()
 
     def test_multiline_function_move_up_short_terminal(self, _os_write):
         # fmt: off
@@ -201,8 +209,9 @@ def test_multiline_function_move_up_short_terminal(self, _os_write):
                 Event(evt="scroll", data=None),
             ],
         )
-        _, _ = handle_events_short_unix_console(events)
+        _, con = handle_events_short_unix_console(events)
         _os_write.assert_any_call(ANY, TERM_CAPABILITIES["ri"] + b":")
+        con.restore()
 
     def test_multiline_function_move_up_down_short_terminal(self, _os_write):
         # fmt: off
@@ -221,9 +230,10 @@ def test_multiline_function_move_up_down_short_terminal(self, _os_write):
                 Event(evt="scroll", data=None),
             ],
         )
-        _, _ = handle_events_short_unix_console(events)
+        _, con = handle_events_short_unix_console(events)
         _os_write.assert_any_call(ANY, TERM_CAPABILITIES["ri"] + b":")
         _os_write.assert_any_call(ANY, TERM_CAPABILITIES["ind"] + b":")
+        con.restore()
 
     def test_resize_bigger_on_multiline_function(self, _os_write):
         # fmt: off
@@ -246,7 +256,7 @@ def same_console(events):
             console.get_event = MagicMock(side_effect=events)
             return console
 
-        _, _ = handle_all_events(
+        _, con = handle_all_events(
             [Event(evt="resize", data=None)],
             prepare_reader=same_reader,
             prepare_console=same_console,
@@ -258,6 +268,8 @@ def same_console(events):
                 call(ANY, b"def f():"),
             ]
         )
+        console.restore()
+        con.restore()
 
     def test_resize_smaller_on_multiline_function(self, _os_write):
         # fmt: off
@@ -280,7 +292,7 @@ def same_console(events):
             console.get_event = MagicMock(side_effect=events)
             return console
 
-        _, _ = handle_all_events(
+        _, con = handle_all_events(
             [Event(evt="resize", data=None)],
             prepare_reader=same_reader,
             prepare_console=same_console,
@@ -292,3 +304,5 @@ def same_console(events):
                 call(ANY, b"  foo"),
             ]
         )
+        console.restore()
+        con.restore()

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