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gatelock tests: pin density in widget tests

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xvfb-run's 640x480 screen compacts the scale to 0.7 and clamps
body and label to the same 11px floor.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01WzxdWZd3smuxDGmEgXkYP8
This commit is contained in:
Krzysztof Rudnicki 2026-11-07 08:27:33 +01:00
parent 97d043d424
commit 71ea92f3c2
1 changed files with 13 additions and 0 deletions
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13
gatelock/gatelock/tests/test_widgets.py
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@ -16,6 +16,7 @@ from typing import TYPE_CHECKING
import pytest
from gatelock import _density
from gatelock._config import LockConfig
from gatelock.widgets import (
DEFAULT_WRAP,
@ -50,6 +51,18 @@ def _font_px(widget: tk.Misc) -> int:
return abs(int(tkfont.Font(font=widget.cget("font")).actual("size")))
@pytest.fixture(autouse=True)
def _full_size_type_scale() -> Iterator[None]:
"""Pin the density to 1.0 so type-size comparisons ignore the display.
``xvfb-run`` defaults to a 640x480 screen, which compacts the scale to 0.7
and clamps both the body and label roles to the same 11px floor -- so
"primary reads larger" and "caption is smaller" became 8 vs 8.
"""
with _density.forced(1.0):
yield
@pytest.fixture
def root() -> Iterator[tk.Tk]:
"""A focused toplevel; Xvfb has no WM to assign X focus for us."""