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Preview: test_lxml.py Size: 2.58 KB

/lib/python3.6/site-packages/bs4/tests/test_lxml.py

"""Tests to ensure that the lxml tree builder generates good trees."""

import re
import warnings

try:
    import lxml.etree
    LXML_PRESENT = True
    LXML_VERSION = lxml.etree.LXML_VERSION
except ImportError as e:
    LXML_PRESENT = False
    LXML_VERSION = (0,)

if LXML_PRESENT:
    from bs4.builder import LXMLTreeBuilder, LXMLTreeBuilderForXML

from bs4 import (
    BeautifulSoup,
    BeautifulStoneSoup,
    )
from bs4.element import Comment, Doctype, SoupStrainer
from bs4.testing import skipIf
from bs4.tests import test_htmlparser
from bs4.testing import (
    HTMLTreeBuilderSmokeTest,
    XMLTreeBuilderSmokeTest,
    SoupTest,
    skipIf,
)

@skipIf(
    not LXML_PRESENT,
    "lxml seems not to be present, not testing its tree builder.")
class LXMLTreeBuilderSmokeTest(SoupTest, HTMLTreeBuilderSmokeTest):
    """See ``HTMLTreeBuilderSmokeTest``."""

    @property
    def default_builder(self):
        return LXMLTreeBuilder()

    def test_out_of_range_entity(self):
        self.assertSoupEquals(
            "<p>foo&#10000000000000;bar</p>", "<p>foobar</p>")
        self.assertSoupEquals(
            "<p>foo&#x10000000000000;bar</p>", "<p>foobar</p>")
        self.assertSoupEquals(
            "<p>foo&#1000000000;bar</p>", "<p>foobar</p>")

    def test_entities_in_foreign_document_encoding(self):
        # We can't implement this case correctly because by the time we
        # hear about markup like "&#147;", it's been (incorrectly) converted into
        # a string like u'\x93'
        pass
        
    # In lxml < 2.3.5, an empty doctype causes a segfault. Skip this
    # test if an old version of lxml is installed.

    @skipIf(
        not LXML_PRESENT or LXML_VERSION < (2,3,5,0),
        "Skipping doctype test for old version of lxml to avoid segfault.")
    def test_empty_doctype(self):
        soup = self.soup("<!DOCTYPE>")
        doctype = soup.contents[0]
        self.assertEqual("", doctype.strip())

    def test_beautifulstonesoup_is_xml_parser(self):
        # Make sure that the deprecated BSS class uses an xml builder
        # if one is installed.
        with warnings.catch_warnings(record=True) as w:
            soup = BeautifulStoneSoup("<b />")
        self.assertEqual("<b/>", str(soup.b))
        self.assertTrue("BeautifulStoneSoup class is deprecated" in str(w[0].message))

@skipIf(
    not LXML_PRESENT,
    "lxml seems not to be present, not testing its XML tree builder.")
class LXMLXMLTreeBuilderSmokeTest(SoupTest, XMLTreeBuilderSmokeTest):
    """See ``HTMLTreeBuilderSmokeTest``."""

    @property
    def default_builder(self):
        return LXMLTreeBuilderForXML()

Name	Size	Perms	Modified	Actions
__pycache__ DIR	-	drwxr-xr-x	2025-04-06 20:28:17	Edit Download recursive recursive
test_builder_registry.py	5.45 KB	lrw-r--r--	2014-12-07 14:24:22	Edit Download recursive recursive
test_docs.py	1.04 KB	lrw-r--r--	2012-05-03 14:09:26	Edit Download recursive recursive
test_html5lib.py	4.79 KB	lrw-r--r--	2019-07-22 18:44:40	Edit Download recursive recursive
test_htmlparser.py	1.69 KB	lrw-r--r--	2018-07-15 12:26:01	Edit Download recursive recursive
test_lxml.py	2.58 KB	lrw-r--r--	2019-07-22 18:44:40	Edit Download recursive recursive
test_soup.py	19.85 KB	lrw-r--r--	2019-07-22 18:44:58	Edit Download recursive recursive
test_tree.py	78.20 KB	lrw-r--r--	2019-07-22 18:44:46	Edit Download recursive recursive
__init__.py	27 B	lrw-r--r--	2011-08-11 13:28:08	Edit Download recursive recursive

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