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import unittest, re
from unittest import TestCase
from plasTeX.TeX import TeX
from plasTeX import Command, Environment
class Document(TestCase):
def testParentage(self):
class myenv(Environment):
pass
class foo(Command):
args = 'self'
s = TeX()
s.ownerDocument.context.importMacros(locals())
s.input(r'\begin{myenv}\foo{TEST}\end{myenv}')
output = s.parse()
myenv = output[0]
assert myenv.nodeName == 'myenv', myenv.nodeName
foo = output[0][0]
assert foo.nodeName == 'foo', foo.nodeName
children = output[0][0].childNodes
fooself = output[0][0].attributes['self']
assert children is fooself
# Check parents
assert fooself[0].parentNode is fooself, fooself[0].parentNode
assert foo.parentNode is myenv, foo.parentNode
assert myenv.parentNode is output, myenv.parentNode
assert output.parentNode is None, output.parentNode
# Check owner document
assert fooself[0].ownerDocument is output
assert foo.ownerDocument is output
assert myenv.ownerDocument is output
assert output.ownerDocument is output
if __name__ == '__main__':
unittest.main()
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