4b67380698
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).
54 lines
1.5 KiB
Python
54 lines
1.5 KiB
Python
"""CLI freezes UI paints after stdout/PTY EIO (#81521).
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A stream-stall interrupt that corrupts the PTY used to leave the classic
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CLI invalidating hundreds of times per second (escape-sequence flood).
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Once EIO is observed, paints must stop.
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"""
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from __future__ import annotations
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import errno
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from unittest.mock import MagicMock
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def _make_cli_stub():
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from cli import HermesCLI
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cli = object.__new__(HermesCLI)
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cli._terminal_io_broken = False
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cli._resize_recovery_pending = False
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cli._last_invalidate = 0.0
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cli._pet_anim_running = False
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cli._app = MagicMock()
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return cli
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class TestTerminalIoBrokenFreeze:
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def test_invalidate_stops_after_eio(self):
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cli = _make_cli_stub()
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cli._app.invalidate.side_effect = OSError(errno.EIO, "Input/output error")
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cli._invalidate(min_interval=0.0)
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assert cli._terminal_io_broken is True
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assert cli._app.invalidate.call_count == 1
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cli._invalidate(min_interval=0.0)
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# Frozen — no further paints.
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assert cli._app.invalidate.call_count == 1
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def test_force_full_redraw_skipped_when_broken(self):
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cli = _make_cli_stub()
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cli._terminal_io_broken = True
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cli._force_full_redraw()
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cli._app.invalidate.assert_not_called()
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def test_recover_terminal_after_interrupt_skips_when_broken(self):
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cli = _make_cli_stub()
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cli._terminal_io_broken = True
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cli._force_full_redraw = MagicMock()
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cli._recover_terminal_after_interrupt()
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cli._force_full_redraw.assert_not_called()
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