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"""cff2Lib_test.py -- unit test for Adobe CFF fonts."""
from fontTools.ttLib import TTFont
from io import StringIO
import re
import os
import unittest
CURR_DIR = os.path.abspath(os.path.dirname(os.path.realpath(__file__)))
DATA_DIR = os.path.join(CURR_DIR, "data")
CFF_TTX = os.path.join(DATA_DIR, "C_F_F__2.ttx")
CFF_BIN = os.path.join(DATA_DIR, "C_F_F__2.bin")
def strip_VariableItems(string):
# ttlib changes with the fontTools version
string = re.sub(' ttLibVersion=".*"', "", string)
# head table checksum and mod date changes with each save.
string = re.sub('<checkSumAdjustment value="[^"]+"/>', "", string)
string = re.sub('<modified value="[^"]+"/>', "", string)
return string
class CFFTableTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
with open(CFF_BIN, "rb") as f:
font = TTFont(file=CFF_BIN)
cffTable = font["CFF2"]
cls.cff2Data = cffTable.compile(font)
with open(CFF_TTX, "r") as f:
cff2XML = f.read()
cff2XML = strip_VariableItems(cff2XML)
cls.cff2XML = cff2XML.splitlines()
def test_toXML(self):
font = TTFont(file=CFF_BIN)
cffTable = font["CFF2"]
cffData = cffTable.compile(font)
out = StringIO()
font.saveXML(out)
cff2XML = out.getvalue()
cff2XML = strip_VariableItems(cff2XML)
cff2XML = cff2XML.splitlines()
self.assertEqual(cff2XML, self.cff2XML)
def test_fromXML(self):
font = TTFont(sfntVersion="OTTO")
font.importXML(CFF_TTX)
cffTable = font["CFF2"]
cff2Data = cffTable.compile(font)
self.assertEqual(cff2Data, self.cff2Data)
if __name__ == "__main__":
unittest.main()
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