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# -*- coding: utf-8 -*-
# Copyright (c) Vispy Development Team. All Rights Reserved.
# Distributed under the (new) BSD License. See LICENSE.txt for more info.
import numpy as np
import warnings
from vispy.testing import assert_in, run_tests_if_main
from vispy.util.fonts import list_fonts, _load_glyph, _vispy_fonts
import pytest
known_bad_fonts = set([
'Noto Color Emoji', # https://github.com/vispy/vispy/issues/1771
'Bahnschrift', # https://github.com/vispy/vispy/pull/1974
])
# try both a vispy and system font <--- what does this mean???
sys_fonts = set(list_fonts()) - set(_vispy_fonts)
def test_font_list():
"""Test font listing"""
f = list_fonts()
assert len(f) > 0
for font in _vispy_fonts:
assert_in(font, f)
@pytest.mark.parametrize('face', ['OpenSans'] + sorted(sys_fonts))
def test_font_glyph(face):
"""Test loading glyphs"""
if face in known_bad_fonts or face.split(" ")[0] in known_bad_fonts:
pytest.xfail()
font_dict = dict(face=face, size=12, bold=False, italic=False)
glyphs_dict = dict()
chars = 'foobar^C&#'
for char in chars:
# Warning that Arial might not exist
with warnings.catch_warnings(record=True):
warnings.simplefilter('always')
_load_glyph(font_dict, char, glyphs_dict)
assert len(glyphs_dict) == np.unique([c for c in chars]).size
run_tests_if_main()
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