d09dacf66a
Change-detectors, tautologies, source-reading tests, redundant duplicates, mock-echo tests and dead/unrunnable tests. Per-test rationale in the lane ledger (category + reason for every removal).
102 lines
3.8 KiB
Python
102 lines
3.8 KiB
Python
"""Tests for bracketed-paste timeout safety valve (#16263).
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Verifies the production helper in cli.py monkey-patches prompt_toolkit's
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Vt100Parser.feed() so the parser auto-escapes from bracketed-paste mode when
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the ESC[201~ end mark is never received.
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"""
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import importlib
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import time
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from unittest.mock import MagicMock
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from hermes_cli.cli_terminal_input import _apply_bracketed_paste_timeout_patch
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def _reset_and_apply_production_patch():
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"""Reload prompt_toolkit's parser and apply Hermes' production patch."""
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import prompt_toolkit.input.vt100_parser as vt100_mod
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vt100_mod = importlib.reload(vt100_mod)
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# importlib.reload() preserves module dict entries that the reloaded source
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# does not redefine, so clear Hermes' sentinel before re-applying.
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if hasattr(vt100_mod, "_hermes_bp_timeout_patched"):
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delattr(vt100_mod, "_hermes_bp_timeout_patched")
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_apply_bracketed_paste_timeout_patch()
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assert getattr(vt100_mod, "_hermes_bp_timeout_patched", False)
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return vt100_mod
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class TestBracketedPasteTimeout:
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"""Verify the Vt100Parser monkey-patch prevents frozen bracketed-paste."""
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def _make_parser(self):
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"""Create a Vt100Parser after applying the production patch."""
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vt100_mod = _reset_and_apply_production_patch()
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callback = MagicMock()
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parser = vt100_mod.Vt100Parser(callback)
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return parser, callback
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def test_normal_bracketed_paste_works(self):
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"""A complete bracketed-paste sequence should work normally."""
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parser, callback = self._make_parser()
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parser.feed("\x1b[200~hello world\x1b[201~")
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callback.assert_called_once()
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call_args = callback.call_args[0][0]
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assert call_args.data == "hello world"
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def test_incomplete_paste_times_out(self):
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"""If ESC[201~ is never received, parser should recover after timeout."""
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parser, callback = self._make_parser()
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parser.feed("\x1b[200~some pasted text")
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assert parser._in_bracketed_paste
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parser._hermes_bp_start = time.monotonic() - 3.0
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parser.feed("more data")
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assert not parser._in_bracketed_paste
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assert callback.called
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def test_normal_keys_after_timeout_recovery(self):
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"""After timeout recovery, normal key processing should resume."""
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parser, callback = self._make_parser()
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parser.feed("\x1b[200~stuck")
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parser._hermes_bp_start = time.monotonic() - 3.0
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parser.feed("")
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assert not parser._in_bracketed_paste
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callback.reset_mock()
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parser.feed("a")
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assert not parser._in_bracketed_paste
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def test_subsequent_data_after_incomplete_paste(self):
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"""Data arriving after a stuck paste should be processable."""
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parser, callback = self._make_parser()
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parser.feed("\x1b[200~content")
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parser._hermes_bp_start = time.monotonic() - 5.0
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parser.feed("x")
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assert not parser._in_bracketed_paste
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assert callback.call_count >= 1
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def test_torn_end_mark_recovers(self):
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"""If end mark arrives split across feeds within timeout, it still works."""
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parser, callback = self._make_parser()
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parser.feed("\x1b[200~some content\x1b[20")
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assert parser._in_bracketed_paste
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parser.feed("1~")
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assert not parser._in_bracketed_paste
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callback.assert_called_once()
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assert callback.call_args[0][0].data == "some content"
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def test_no_timeout_under_threshold(self):
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"""Bracketed-paste mode should not timeout within the 2s window."""
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parser, callback = self._make_parser()
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parser.feed("\x1b[200~waiting")
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parser._hermes_bp_start = time.monotonic() - 0.5
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parser.feed("more waiting")
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assert parser._in_bracketed_paste
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assert not callback.called
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