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fix(testing): harness calendar_font is sized like the panel's

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VisualTestDisplayManager built its 5x7 calendar_font / bdf_5x7_font as a
bare freetype.Face. With no size set its ascender reads 0, so BDF text
drawn with it landed 6px above where DisplayManager draws it -- entirely
off the canvas at y=0 -- and get_font_height() returned 0. Golden images
and check_plugin / dev_server previews showed text the panel does not.

Load it through load_bdf_face at the panel's 7px, so it is the very face
DisplayManager uses. Across the differential run this changes only the
cases drawn with the harness's own calendar_font (968 of 220,032), which
now match the panel's output.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Chuck
2026-09-23 17:29:30 -04:00
co-authored by Claude Opus 5.5
parent f412a59b76
commit 048a709a5e
3 changed files with 26 additions and 8 deletions
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test/test_bdf_font.py
+12
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@@ -188,6 +188,18 @@ def test_display_manager_and_test_harness_draw_the_reference_pixels(name):
_assert_same(ref, vt.image, ("VisualTestDisplayManager", name, text))
def test_harness_calendar_font_is_the_panels():
# The harness built a bare freetype.Face with no size: ascender 0, so
# every calendar_font line drew a baseline too high, and its
# get_font_height() returned 0.
from src.plugin_system.testing.visual_display_manager import VisualTestDisplayManager
vt = VisualTestDisplayManager(64, 32)
panel_face, _ = load_bdf_face(str(FONTS_DIR / "5x7.bdf"), 7)
assert vt.calendar_font is panel_face
assert vt.get_font_height(vt.calendar_font) == panel_face.size.height >> 6 > 0
# -------------------------------------------------------------------- loader
def test_off_strike_size_loads_the_native_strike():