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import json
from pathlib import Path
import shutil
import matplotlib.dviread as dr
import pytest
def test_PsfontsMap(monkeypatch):
monkeypatch.setattr(dr, 'find_tex_file', lambda x: x.decode())
filename = str(Path(__file__).parent / 'baseline_images/dviread/test.map')
fontmap = dr.PsfontsMap(filename)
# Check all properties of a few fonts
for n in [1, 2, 3, 4, 5]:
key = b'TeXfont%d' % n
entry = fontmap[key]
assert entry.texname == key
assert entry.psname == b'PSfont%d' % n
if n not in [3, 5]:
assert entry.encoding == 'font%d.enc' % n
elif n == 3:
assert entry.encoding == 'enc3.foo'
# We don't care about the encoding of TeXfont5, which specifies
# multiple encodings.
if n not in [1, 5]:
assert entry.filename == 'font%d.pfa' % n
else:
assert entry.filename == 'font%d.pfb' % n
if n == 4:
assert entry.effects == {'slant': -0.1, 'extend': 1.2}
else:
assert entry.effects == {}
# Some special cases
entry = fontmap[b'TeXfont6']
assert entry.filename is None
assert entry.encoding is None
entry = fontmap[b'TeXfont7']
assert entry.filename is None
assert entry.encoding == 'font7.enc'
entry = fontmap[b'TeXfont8']
assert entry.filename == 'font8.pfb'
assert entry.encoding is None
entry = fontmap[b'TeXfont9']
assert entry.psname == b'TeXfont9'
assert entry.filename == '/absolute/font9.pfb'
# First of duplicates only.
entry = fontmap[b'TeXfontA']
assert entry.psname == b'PSfontA1'
# Slant/Extend only works for T1 fonts.
entry = fontmap[b'TeXfontB']
assert entry.psname == b'PSfontB6'
# Subsetted TrueType must have encoding.
entry = fontmap[b'TeXfontC']
assert entry.psname == b'PSfontC3'
# Missing font
with pytest.raises(LookupError, match='no-such-font'):
fontmap[b'no-such-font']
with pytest.raises(LookupError, match='%'):
fontmap[b'%']
@pytest.mark.skipif(shutil.which("kpsewhich") is None,
reason="kpsewhich is not available")
def test_dviread():
dirpath = Path(__file__).parent / 'baseline_images/dviread'
with (dirpath / 'test.json').open() as f:
correct = json.load(f)
with dr.Dvi(str(dirpath / 'test.dvi'), None) as dvi:
data = [{'text': [[t.x, t.y,
chr(t.glyph),
t.font.texname.decode('ascii'),
round(t.font.size, 2)]
for t in page.text],
'boxes': [[b.x, b.y, b.height, b.width] for b in page.boxes]}
for page in dvi]
assert data == correct
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