Moved test_namespace_prefix to test_sax.py

Author: ukarroum

Doc/whatsnew/3.15.rst

@@ -660,6 +660,9 @@ xml.parsers.expat
 
   .. _billion laughs: https://en.wikipedia.org/wiki/Billion_laughs_attack
 
+* Add support for namespace prefixes.
+  (Contributed by Yassir Karroum in :gh:`118317`.)
+
 
 zlib
 ----

Lib/test/test_sax.py

@@ -1,7 +1,7 @@
 # regression test for SAX 2.0
 
 from xml.sax import make_parser, ContentHandler, \
-                    SAXException, SAXReaderNotAvailable, SAXParseException
+                    SAXException, SAXReaderNotAvailable, SAXParseException, handler
 import unittest
 from unittest import mock
 try:
@@ -1307,6 +1307,38 @@ def test_expat_locator_withinfo_nonascii(self):
         self.assertEqual(parser.getSystemId(), fname)
         self.assertEqual(parser.getPublicId(), None)
 
+    def test_namespace_prefix(self):
+        parser = create_parser()
+        parser.setFeature(handler.feature_namespaces, 1)
+        parser.setFeature(handler.feature_namespace_prefixes, 1)
+
+        class Handler(handler.ContentHandler):
+            def startElementNS(self, name, qname, attrs):
+                self.qname = qname
+
+        h = Handler()
+
+        parser.setContentHandler(h)
+        parser.feed("<Q:E xmlns:Q='http://example.org/testuri'/>")
+        parser.close()
+        self.assertEqual(h.qname, "Q:E")
+
+    def test_default_namespace(self):
+        parser = create_parser()
+        parser.setFeature(handler.feature_namespaces, 1)
+
+        class Handler(handler.ContentHandler):
+            def startElementNS(self, name, qname, attrs):
+                self.qname = qname
+
+        h = Handler()
+
+        parser.setContentHandler(h)
+        parser.feed("<E xmlns='http://example.org/testuri'/>")
+        parser.close()
+        self.assertEqual(h.qname, "E")
+
+
 
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