RustPython · youknowone · Aug 21, 2025 · Aug 17, 2025 · Aug 20, 2025 · Aug 20, 2025
diff --git a/Lib/test/test_xml_dom_xmlbuilder.py b/Lib/test/test_xml_dom_xmlbuilder.py
@@ -0,0 +1,92 @@
+import io
+import unittest
+from http import client
+from test.test_httplib import FakeSocket
+from unittest import mock
+from xml.dom import getDOMImplementation, minidom, xmlbuilder
+
+SMALL_SAMPLE = b"""<?xml version="1.0"?>
+<html xmlns="http://www.w3.org/1999/xhtml" xmlns:xdc="http://www.xml.com/books">
+<!-- A comment -->
+<title>Introduction to XSL</title>
+<hr/>
+<p><xdc:author xdc:attrib="prefixed attribute" attrib="other attrib">A. Namespace</xdc:author></p>
+</html>"""
+
+
+class XMLBuilderTest(unittest.TestCase):
+    def test_entity_resolver(self):
+        body = (
+            b"HTTP/1.1 200 OK\r\nContent-Type: text/xml; charset=utf-8\r\n\r\n"
+            + SMALL_SAMPLE
+        )
+
+        sock = FakeSocket(body)
+        response = client.HTTPResponse(sock)
+        response.begin()
+        attrs = {"open.return_value": response}
+        opener = mock.Mock(**attrs)
+
+        resolver = xmlbuilder.DOMEntityResolver()
+
+        with mock.patch("urllib.request.build_opener") as mock_build:
+            mock_build.return_value = opener
+            source = resolver.resolveEntity(None, "http://example.com/2000/svg")
+
+        self.assertIsInstance(source, xmlbuilder.DOMInputSource)
+        self.assertIsNone(source.publicId)
+        self.assertEqual(source.systemId, "http://example.com/2000/svg")
+        self.assertEqual(source.baseURI, "http://example.com/2000/")
+        self.assertEqual(source.encoding, "utf-8")
+        self.assertIs(source.byteStream, response)
+
+        self.assertIsNone(source.characterStream)
+        self.assertIsNone(source.stringData)
+
+    def test_builder(self):
+        imp = getDOMImplementation()
+        self.assertIsInstance(imp, xmlbuilder.DOMImplementationLS)
+
+        builder = imp.createDOMBuilder(imp.MODE_SYNCHRONOUS, None)
+        self.assertIsInstance(builder, xmlbuilder.DOMBuilder)
+
+    # TODO: RUSTPYTHON
+    @unittest.expectedFailure
+    def test_parse_uri(self):
+        body = (
+            b"HTTP/1.1 200 OK\r\nContent-Type: text/xml; charset=utf-8\r\n\r\n"
+            + SMALL_SAMPLE
+        )
+
+        sock = FakeSocket(body)
+        response = client.HTTPResponse(sock)
+        response.begin()
+        attrs = {"open.return_value": response}
+        opener = mock.Mock(**attrs)
+
+        with mock.patch("urllib.request.build_opener") as mock_build:
+            mock_build.return_value = opener
+
+            imp = getDOMImplementation()
+            builder = imp.createDOMBuilder(imp.MODE_SYNCHRONOUS, None)
+            document = builder.parseURI("http://example.com/2000/svg")
+
+        self.assertIsInstance(document, minidom.Document)
+        self.assertEqual(len(document.childNodes), 1)
+
+    # TODO: RUSTPYTHON
+    @unittest.expectedFailure
+    def test_parse_with_systemId(self):
+        response = io.BytesIO(SMALL_SAMPLE)
+
+        with mock.patch("urllib.request.urlopen") as mock_open:
+            mock_open.return_value = response
+
+            imp = getDOMImplementation()
+            source = imp.createDOMInputSource()
+            builder = imp.createDOMBuilder(imp.MODE_SYNCHRONOUS, None)
+            source.systemId = "http://example.com/2000/svg"
+            document = builder.parse(source)
+
+        self.assertIsInstance(document, minidom.Document)
+        self.assertEqual(len(document.childNodes), 1)