def test_without_tail(self):
"Testing remove_node_keeping_tail without tail"
xml = b'''<parent><target/></parent>'''
tree = lxml.etree.parse(BytesIO(xml))
target = tree.getroot()[0]
remove_node_keeping_tail(target)
self.assertEqual(lxml.etree.tostring(tree), b'''<parent/>''')
def test_with_tail_and_previous_tail(self):
"Testing remove_node_keeping_tail with tail and previous tail"
xml = b'''<parent><previous/>tail<target/>tail</parent>'''
tree = lxml.etree.parse(BytesIO(xml))
target = tree.getroot()[1]
remove_node_keeping_tail(target)
self.assertEqual(lxml.etree.tostring(tree),
b'''<parent><previous/>tailtail</parent>''')
def test_with_tail_and_parent_text(self):
"Testing remove_node_keeping_tail with tail and parent text"
xml = b'''<parent>text<target/>tail</parent>'''
tree = lxml.etree.parse(BytesIO(xml))
target = tree.getroot()[0]
remove_node_keeping_tail(target)
self.assertEqual(lxml.etree.tostring(tree),
b'''<parent>texttail</parent>''')