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Test ValueError

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This commit is contained in:
Andrew Murray 2025-03-01 21:41:30 +11:00
parent d7d48df9af
commit ff4f5d4cb6
1 changed files with 11 additions and 2 deletions
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13
Tests/test_font_bdf.py
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@ -1,5 +1,7 @@
from __future__ import annotations from __future__ import annotations
import io
import pytest import pytest
from PIL import BdfFontFile, FontFile from PIL import BdfFontFile, FontFile
@ -8,13 +10,20 @@ filename = "Tests/images/courB08.bdf"
def test_sanity() -> None: def test_sanity() -> None:
with open(filename, "rb") as test_file: with open(filename, "rb") as fp:
font = BdfFontFile.BdfFontFile(test_file) font = BdfFontFile.BdfFontFile(fp)
assert isinstance(font, FontFile.FontFile) assert isinstance(font, FontFile.FontFile)
assert len([_f for _f in font.glyph if _f]) == 190 assert len([_f for _f in font.glyph if _f]) == 190
def test_valueerror() -> 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: def test_invalid_file() -> None:
with open("Tests/images/flower.jpg", "rb") as fp: with open("Tests/images/flower.jpg", "rb") as fp:
with pytest.raises(SyntaxError): with pytest.raises(SyntaxError):