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bpo-40624: Add support for the XPath != operator in xml.etree (GH-22147)

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Ammar Askar 2020-11-09 02:02:39 -05:00 • committed by GitHub
parent 4eb41d055e
commit 97e8b1eaea
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4 changed files with 78 additions and 7 deletions
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35
Lib/test/test_xml_etree.py
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@ -2852,8 +2852,12 @@ class ElementFindTest(unittest.TestCase):
['tag'] * 3)
self.assertEqual(summarize_list(e.findall('.//tag[@class="a"]')),
['tag'])
self.assertEqual(summarize_list(e.findall('.//tag[@class!="a"]')),
['tag'] * 2)
self.assertEqual(summarize_list(e.findall('.//tag[@class="b"]')),
['tag'] * 2)
self.assertEqual(summarize_list(e.findall('.//tag[@class!="b"]')),
['tag'])
self.assertEqual(summarize_list(e.findall('.//tag[@id]')),
['tag'])
self.assertEqual(summarize_list(e.findall('.//section[tag]')),
@ -2875,6 +2879,19 @@ class ElementFindTest(unittest.TestCase):
self.assertEqual(summarize_list(e.findall(".//section[ tag = 'subtext' ]")),
['section'])
# Negations of above tests. They match nothing because the sole section
# tag has subtext.
self.assertEqual(summarize_list(e.findall(".//section[tag!='subtext']")),
[])
self.assertEqual(summarize_list(e.findall(".//section[tag !='subtext']")),
[])
self.assertEqual(summarize_list(e.findall(".//section[tag!= 'subtext']")),
[])
self.assertEqual(summarize_list(e.findall(".//section[tag != 'subtext']")),
[])
self.assertEqual(summarize_list(e.findall(".//section[ tag != 'subtext' ]")),
[])
self.assertEqual(summarize_list(e.findall(".//tag[.='subtext']")),
['tag'])
self.assertEqual(summarize_list(e.findall(".//tag[. ='subtext']")),
@ -2890,6 +2907,24 @@ class ElementFindTest(unittest.TestCase):
self.assertEqual(summarize_list(e.findall(".//tag[.= ' subtext']")),
[])
# Negations of above tests.
# Matches everything but the tag containing subtext
self.assertEqual(summarize_list(e.findall(".//tag[.!='subtext']")),
['tag'] * 3)
self.assertEqual(summarize_list(e.findall(".//tag[. !='subtext']")),
['tag'] * 3)
self.assertEqual(summarize_list(e.findall('.//tag[.!= "subtext"]')),
['tag'] * 3)
self.assertEqual(summarize_list(e.findall('.//tag[ . != "subtext" ]')),
['tag'] * 3)
self.assertEqual(summarize_list(e.findall(".//tag[. != 'subtext']")),
['tag'] * 3)
# Matches all tags.
self.assertEqual(summarize_list(e.findall(".//tag[. != 'subtext ']")),
['tag'] * 4)
self.assertEqual(summarize_list(e.findall(".//tag[.!= ' subtext']")),
['tag'] * 4)
# duplicate section => 2x tag matches
e[1] = e[2]
self.assertEqual(summarize_list(e.findall(".//section[tag = 'subtext']")),