chore: import upstream snapshot with attribution

tests/interactive_shell/runtime/test_repl_presenter.py

@@ -0,0 +1,70 @@
+"""Tests for ReplSubprocessPresenter Rich markup escaping."""
+
+from __future__ import annotations
+
+from io import StringIO
+
+from rich.console import Console
+
+from surfaces.interactive_shell.runtime.subprocess_runner.repl_presenter import (
+    ReplSubprocessPresenter,
+    _escape_markup_message,
+)
+from surfaces.interactive_shell.session import Session
+
+
+def _presenter() -> tuple[ReplSubprocessPresenter, StringIO]:
+    buffer = StringIO()
+    console = Console(file=buffer, force_terminal=True, width=80, color_system=None)
+    session = Session()
+    return ReplSubprocessPresenter(session, console), buffer
+
+
+def test_escape_markup_message_preserves_intentional_tags() -> None:
+    escaped = _escape_markup_message("[error]failed[/]")
+    buffer = StringIO()
+    Console(file=buffer, force_terminal=True, width=80, color_system=None).print(escaped)
+    output = buffer.getvalue()
+    assert "failed" in output
+
+
+def test_escape_markup_message_escapes_plain_markup() -> None:
+    escaped = _escape_markup_message("Grafana [prod] rate[5m]")
+    buffer = StringIO()
+    Console(file=buffer, force_terminal=True, width=80, color_system=None).print(escaped)
+    output = buffer.getvalue()
+    assert "[prod]" in output
+    assert "rate[5m]" in output
+
+
+def test_escape_markup_message_escapes_dynamic_text_inside_tags() -> None:
+    escaped = _escape_markup_message("[bold]task [critical][/bold]")
+    assert "task" in escaped
+    assert "[critical]" in escaped
+
+
+def test_print_error_escapes_dynamic_markup() -> None:
+    presenter, buffer = _presenter()
+    presenter.print_error("failed: [bold]bad[/]")
+    output = buffer.getvalue()
+    assert "[bold]bad[/]" in output
+    assert "bad" in output
+
+
+def test_print_escapes_untrusted_suffix_via_print_error_pattern() -> None:
+    presenter, buffer = _presenter()
+    presenter.print_error("command failed to start: [bold]bad[/]")
+    output = buffer.getvalue()
+    assert "[bold]bad[/]" in output
+
+
+def test_print_preserves_task_id_markup_with_escaped_brackets() -> None:
+    presenter, buffer = _presenter()
+    task_id = "task-[critical]"
+    presenter.print(
+        f"[dim]synthetic test started — task[/] [bold]{task_id}[/bold]. "
+        "[highlight]/tasks[/] [dim]to monitor.[/]"
+    )
+    output = buffer.getvalue()
+    assert task_id in output
+    assert "/tasks" in output