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[mtiLib] Test roundtripping XML->Python->XML as well

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Most tests fail right now since when reading XML we don't set *Count
members for empty arrays; we don't set propagated counts either.
Fixes coming.
This commit is contained in:
Behdad Esfahbod 2016-12-31 21:26:16 -05:00
parent 3820a3006f
commit 6250b60ec3
1 changed files with 18 additions and 0 deletions
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18
Lib/fontTools/mtiLib/mti_test.py
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@ -200,6 +200,24 @@ class MtiTest(unittest.TestCase):
self.expect_ttx(xml_binary, xml_built, fromfile='decompiled', tofile='built')
self.expect_ttx(xml_expected, xml_built, fromfile=xml_expected_path, tofile='built')
from fontTools.misc import xmlReader
f = StringIO()
f.write(xml_expected)
f.seek(0)
font2 = TTFont()
font2.setGlyphOrder(font.getGlyphOrder())
reader = xmlReader.XMLReader(f, font2)
reader.read(rootless=True)
# XML from object read from XML.
writer = XMLWriter(StringIO(), newlinestr='\n')
writer.begintag(tableTag); writer.newline()
font2[tableTag].toXML(writer, font)
writer.endtag(tableTag); writer.newline()
xml_fromxml = writer.file.getvalue()
self.expect_ttx(xml_expected, xml_fromxml, fromfile=xml_expected_path, tofile='fromxml')
def generate_mti_file_test(name, tableTag=None):
return lambda self: self.check_mti_file(os.path.join(*name.split('/')), tableTag=tableTag)