chore: import upstream snapshot with attribution

2026-07-13 13:10:45 +08:00
commit 4b6817381b
3933 changed files with 525247 additions and 0 deletions
@@ -0,0 +1,34 @@
+"""Tests for CPR stdin hygiene helpers."""
+
+from __future__ import annotations
+
+import pytest
+
+from surfaces.interactive_shell.ui.components.cpr_stdin import (
+    contains_cpr_sequence,
+    strip_cpr_sequences,
+)
+
+
+@pytest.mark.parametrize(
+    ("text", "expected"),
+    [
+        ("\x1b[32;1R", ""),
+        ("[32;1R", ""),
+        ("\x9b32;1R", ""),
+        ("what is our current model?[32;1R", "what is our current model?"),
+        ("before \x1b[12;80R after", "before  after"),
+        ("7R[25;57R23;57R", ""),
+        ("25;57R", ""),
+    ],
+)
+def test_strip_cpr_sequences_removes_terminal_cursor_replies(
+    text: str,
+    expected: str,
+) -> None:
+    assert strip_cpr_sequences(text) == expected
+
+
+def test_contains_cpr_sequence_detects_leaked_bytes() -> None:
+    assert contains_cpr_sequence("\x1b[12;80R")
+    assert not contains_cpr_sequence("plain prompt text")