forked from Zakaria/hermes-agent
Zakaria
50 lines
1.6 KiB
Python
50 lines
1.6 KiB
Python
"""Regression tests for terminal navigation/focus escape sequences.
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Ghostty/macOS window and tab navigation can deliver terminal focus reports
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(CSI I / CSI O) to the running TUI. These must be consumed by the input parser,
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not inserted into the prompt buffer and cleaned up later.
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"""
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from prompt_toolkit.input.vt100_parser import Vt100Parser
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from prompt_toolkit.keys import Keys
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from hermes_cli.pt_input_extras import install_ignored_terminal_sequences
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def _parse_keys(data: str):
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events = []
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parser = Vt100Parser(events.append)
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parser.feed_and_flush(data)
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return [(event.key, event.data) for event in events]
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def test_focus_events_are_parser_level_ignored_before_prompt_buffer():
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install_ignored_terminal_sequences()
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assert _parse_keys("\x1b[O\x1b[Ihello") == [
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(Keys.Ignore, "\x1b[O"),
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(Keys.Ignore, "\x1b[I"),
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("h", "h"),
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("e", "e"),
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("l", "l"),
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("l", "l"),
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("o", "o"),
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]
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def test_regular_escape_shortcuts_still_parse_normally():
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install_ignored_terminal_sequences()
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assert _parse_keys("\x1bg") == [(Keys.Escape, "\x1b"), ("g", "g")]
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def test_install_is_idempotent_and_setdefault_safe():
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"""Second call should return 0 (no new mappings); existing user
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registrations must not be overwritten."""
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first = install_ignored_terminal_sequences()
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second = install_ignored_terminal_sequences()
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# At most first should be 2 (both CSI I + CSI O), second always 0
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# since the entries are now present.
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assert second == 0
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assert first in (0, 1, 2) # 0 if a prior test in same process already installed
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