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