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Improved BdfFontFile test coverage #8783

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Merged
radarhere merged 2 commits into from
Mar 3, 2025
Merged

Improved BdfFontFile test coverage #8783

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ff4f5d4
Test ValueError
radarhere Mar 1, 2025
5ce8929
Updated test name
radarhere Mar 3, 2025
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13 changes: 11 additions & 2 deletions Tests/test_font_bdf.py
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Original file line number Diff line number Diff line change
@@ -1,5 +1,7 @@
from __future__ import annotations

import io

import pytest

from PIL import BdfFontFile, FontFile
Expand All @@ -8,13 +10,20 @@


def test_sanity() -> None:
with open(filename, "rb") as test_file:
font = BdfFontFile.BdfFontFile(test_file)
with open(filename, "rb") as fp:
font = BdfFontFile.BdfFontFile(fp)

assert isinstance(font, FontFile.FontFile)
assert len([_f for _f in font.glyph if _f]) == 190


def test_zero_width_chars() -> None:
with open(filename, "rb") as fp:
data = fp.read()
data = data[:2650] + b"\x00\x00" + data[2652:]
BdfFontFile.BdfFontFile(io.BytesIO(data))


def test_invalid_file() -> None:
with open("Tests/images/flower.jpg", "rb") as fp:
with pytest.raises(SyntaxError):
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