Jean-Pierre MartineauandClaude Fable 5
4aef3e7b82
Eleven files defined the same _plain (plus test_chat's _strip_ansi and test_timemachine's renderable flavour), and two of the copies had already diverged into join-without-strip. tests/conftest.plain is now the single strip-and-join reader — a list of lines or a bare string — and every file imports it; the local variants keep their names so call sites stay put (housekeeping H-003). Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
45 lines
1.7 KiB
Python
45 lines
1.7 KiB
Python
"""Shared fixtures and helpers: plain-text screen reading, and pinned path rendering.
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:func:`plain` is THE way a test reads a rendered screen — every screen test needs the
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same move (strip the ANSI colour escapes, join the rendered lines) before it can assert
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on content, and each file re-deriving it is how the copies drift.
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The powerline verdict is environmental — the suite may run inside VS Code or Windows
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Terminal (both chip-capable) or a bare CI shell (not) — and screen assertions must
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not change with the developer's glass. ``MESHTERM_POWERLINE=0`` is the supported pin;
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the cached verdict is cleared around each test so no ordering leaks it. Powerline-
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specific tests pass explicit modes or monkeypatch the widget's own switch.
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"""
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from __future__ import annotations
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import re
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from typing import Iterable, Iterator, Union
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import pytest
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from meshterm.ui.termfont import powerline_support
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#: ANSI SGR escapes — the colour runs a rendered line carries between its characters.
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_ANSI = re.compile(r"\x1b\[[0-9;]*m")
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def plain(rendered: Union[str, Iterable[str]]) -> str:
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"""The plain-text form of rendered screen output, for content assertions.
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Takes what a render handed back — a list of ANSI lines (joined with newlines) or a
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single already-joined string — and strips the colour escapes, so assertions read
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the screen the way a viewer does.
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"""
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if not isinstance(rendered, str):
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rendered = "\n".join(rendered)
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return _ANSI.sub("", rendered)
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@pytest.fixture(autouse=True)
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def _plain_path_rendering(monkeypatch: pytest.MonkeyPatch) -> Iterator[None]:
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monkeypatch.setenv("MESHTERM_POWERLINE", "0")
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powerline_support.cache_clear()
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yield
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powerline_support.cache_clear()
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