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76 lines
2.3 KiB
Python
76 lines
2.3 KiB
Python
"""Tests to ensure that the lxml tree builder generates good trees."""
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import re
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import warnings
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try:
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from bs4.builder import LXMLTreeBuilder, LXMLTreeBuilderForXML
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LXML_PRESENT = True
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except ImportError, e:
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LXML_PRESENT = False
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from bs4 import (
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BeautifulSoup,
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BeautifulStoneSoup,
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)
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from bs4.element import Comment, Doctype, SoupStrainer
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from bs4.testing import skipIf
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from bs4.tests import test_htmlparser
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from bs4.testing import (
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HTMLTreeBuilderSmokeTest,
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XMLTreeBuilderSmokeTest,
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SoupTest,
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skipIf,
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)
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@skipIf(
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not LXML_PRESENT,
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"lxml seems not to be present, not testing its tree builder.")
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class LXMLTreeBuilderSmokeTest(SoupTest, HTMLTreeBuilderSmokeTest):
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"""See ``HTMLTreeBuilderSmokeTest``."""
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@property
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def default_builder(self):
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return LXMLTreeBuilder()
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def test_out_of_range_entity(self):
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self.assertSoupEquals(
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"<p>foo�bar</p>", "<p>foobar</p>")
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self.assertSoupEquals(
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"<p>foo�bar</p>", "<p>foobar</p>")
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self.assertSoupEquals(
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"<p>foo�bar</p>", "<p>foobar</p>")
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def test_beautifulstonesoup_is_xml_parser(self):
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# Make sure that the deprecated BSS class uses an xml builder
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# if one is installed.
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with warnings.catch_warnings(record=False) as w:
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soup = BeautifulStoneSoup("<b />")
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self.assertEqual(u"<b/>", unicode(soup.b))
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def test_real_xhtml_document(self):
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"""lxml strips the XML definition from an XHTML doc, which is fine."""
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markup = b"""<?xml version="1.0" encoding="utf-8"?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head><title>Hello.</title></head>
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<body>Goodbye.</body>
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</html>"""
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soup = self.soup(markup)
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self.assertEqual(
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soup.encode("utf-8").replace(b"\n", b''),
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markup.replace(b'\n', b'').replace(
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b'<?xml version="1.0" encoding="utf-8"?>', b''))
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@skipIf(
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not LXML_PRESENT,
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"lxml seems not to be present, not testing its XML tree builder.")
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class LXMLXMLTreeBuilderSmokeTest(SoupTest, XMLTreeBuilderSmokeTest):
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"""See ``HTMLTreeBuilderSmokeTest``."""
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@property
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def default_builder(self):
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return LXMLTreeBuilderForXML()
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