def test_module_parse_gzipobject(self):
# (c)ElementTree supports gzip instance as parse argument
with tmpfile(suffix=".xml.gz") as filename:
with gzip.open(filename, 'wb') as f:
f.write(self.root_str)
with gzip.open(filename, 'rb') as f_gz:
tree = self.etree.parse(f_gz)
self.assertEqual(self.etree.tostring(tree.getroot()),
self.root_str)
def test_class_parse_filename(self):
# (c)ElementTree class ElementTree has a 'parse' method that returns
# the root of the tree
# parse from filename
with tmpfile(suffix=".xml") as filename:
write_to_file(filename, self.root_str, 'wb')
tree = self.etree.ElementTree()
root = tree.parse(filename)
self.assertEqual(self.etree.tostring(root), self.root_str)
def test_class_parse_filename_remove_previous(self):
with tmpfile(suffix=".xml") as filename:
write_to_file(filename, self.root_str, 'wb')
tree = self.etree.ElementTree()
root = tree.parse(filename)
# and now do it again; previous content should still be there
root2 = tree.parse(filename)
self.assertEqual('a', root.tag)
self.assertEqual('a', root2.tag)
# now remove all references to root2, and parse again
del root2
root3 = tree.parse(filename)
self.assertEqual('a', root.tag)
self.assertEqual('a', root3.tag)
def test_write_filename_special_percent(self):
# '%20' is a URL escaped space character.
before_test = os.listdir(tempfile.gettempdir())
def difference(filenames):
return sorted(fn for fn in set(filenames).difference(before_test)
if fn.startswith('lxmltmp-'))
with tmpfile(prefix="lxmltmp-p%20p", suffix=".xml") as filename:
try:
before_write = os.listdir(tempfile.gettempdir())
self.tree.write(filename)
after_write = os.listdir(tempfile.gettempdir())
self.assertEqual(
read_file(filename, 'rb').replace(b'\n', b''),
self.root_str)
except (AssertionError, IOError, OSError):
print("Before write: %s, after write: %s" %
(difference(before_write), difference(after_write)))
raise
def test_write_filename(self):
# (c)ElementTree supports filename strings as write argument
with tmpfile(prefix="p", suffix=".xml") as filename:
self.tree.write(filename)
self.assertEqual(
read_file(filename, 'rb').replace(b'\n', b''), self.root_str)
def test_write_filename_special_plus(self):
# '+' is used as an escaped space character in URLs.
with tmpfile(prefix="p+", suffix=".xml") as filename:
self.tree.write(filename)
self.assertEqual(
read_file(filename, 'rb').replace(b'\n', b''), self.root_str)