Squashed 'yocto-poky/' content from commit ea562de
git-subtree-dir: yocto-poky
git-subtree-split: ea562de57590c966cd5a75fda8defecd397e6436
diff --git a/bitbake/lib/bs4/tests/__init__.py b/bitbake/lib/bs4/tests/__init__.py
new file mode 100644
index 0000000..142c8cc
--- /dev/null
+++ b/bitbake/lib/bs4/tests/__init__.py
@@ -0,0 +1 @@
+"The beautifulsoup tests."
diff --git a/bitbake/lib/bs4/tests/test_builder_registry.py b/bitbake/lib/bs4/tests/test_builder_registry.py
new file mode 100644
index 0000000..92ad10f
--- /dev/null
+++ b/bitbake/lib/bs4/tests/test_builder_registry.py
@@ -0,0 +1,141 @@
+"""Tests of the builder registry."""
+
+import unittest
+
+from bs4 import BeautifulSoup
+from bs4.builder import (
+ builder_registry as registry,
+ HTMLParserTreeBuilder,
+ TreeBuilderRegistry,
+)
+
+try:
+ from bs4.builder import HTML5TreeBuilder
+ HTML5LIB_PRESENT = True
+except ImportError:
+ HTML5LIB_PRESENT = False
+
+try:
+ from bs4.builder import (
+ LXMLTreeBuilderForXML,
+ LXMLTreeBuilder,
+ )
+ LXML_PRESENT = True
+except ImportError:
+ LXML_PRESENT = False
+
+
+class BuiltInRegistryTest(unittest.TestCase):
+ """Test the built-in registry with the default builders registered."""
+
+ def test_combination(self):
+ if LXML_PRESENT:
+ self.assertEqual(registry.lookup('fast', 'html'),
+ LXMLTreeBuilder)
+
+ if LXML_PRESENT:
+ self.assertEqual(registry.lookup('permissive', 'xml'),
+ LXMLTreeBuilderForXML)
+ self.assertEqual(registry.lookup('strict', 'html'),
+ HTMLParserTreeBuilder)
+ if HTML5LIB_PRESENT:
+ self.assertEqual(registry.lookup('html5lib', 'html'),
+ HTML5TreeBuilder)
+
+ def test_lookup_by_markup_type(self):
+ if LXML_PRESENT:
+ self.assertEqual(registry.lookup('html'), LXMLTreeBuilder)
+ self.assertEqual(registry.lookup('xml'), LXMLTreeBuilderForXML)
+ else:
+ self.assertEqual(registry.lookup('xml'), None)
+ if HTML5LIB_PRESENT:
+ self.assertEqual(registry.lookup('html'), HTML5TreeBuilder)
+ else:
+ self.assertEqual(registry.lookup('html'), HTMLParserTreeBuilder)
+
+ def test_named_library(self):
+ if LXML_PRESENT:
+ self.assertEqual(registry.lookup('lxml', 'xml'),
+ LXMLTreeBuilderForXML)
+ self.assertEqual(registry.lookup('lxml', 'html'),
+ LXMLTreeBuilder)
+ if HTML5LIB_PRESENT:
+ self.assertEqual(registry.lookup('html5lib'),
+ HTML5TreeBuilder)
+
+ self.assertEqual(registry.lookup('html.parser'),
+ HTMLParserTreeBuilder)
+
+ def test_beautifulsoup_constructor_does_lookup(self):
+ # You can pass in a string.
+ BeautifulSoup("", features="html")
+ # Or a list of strings.
+ BeautifulSoup("", features=["html", "fast"])
+
+ # You'll get an exception if BS can't find an appropriate
+ # builder.
+ self.assertRaises(ValueError, BeautifulSoup,
+ "", features="no-such-feature")
+
+class RegistryTest(unittest.TestCase):
+ """Test the TreeBuilderRegistry class in general."""
+
+ def setUp(self):
+ self.registry = TreeBuilderRegistry()
+
+ def builder_for_features(self, *feature_list):
+ cls = type('Builder_' + '_'.join(feature_list),
+ (object,), {'features' : feature_list})
+
+ self.registry.register(cls)
+ return cls
+
+ def test_register_with_no_features(self):
+ builder = self.builder_for_features()
+
+ # Since the builder advertises no features, you can't find it
+ # by looking up features.
+ self.assertEqual(self.registry.lookup('foo'), None)
+
+ # But you can find it by doing a lookup with no features, if
+ # this happens to be the only registered builder.
+ self.assertEqual(self.registry.lookup(), builder)
+
+ def test_register_with_features_makes_lookup_succeed(self):
+ builder = self.builder_for_features('foo', 'bar')
+ self.assertEqual(self.registry.lookup('foo'), builder)
+ self.assertEqual(self.registry.lookup('bar'), builder)
+
+ def test_lookup_fails_when_no_builder_implements_feature(self):
+ builder = self.builder_for_features('foo', 'bar')
+ self.assertEqual(self.registry.lookup('baz'), None)
+
+ def test_lookup_gets_most_recent_registration_when_no_feature_specified(self):
+ builder1 = self.builder_for_features('foo')
+ builder2 = self.builder_for_features('bar')
+ self.assertEqual(self.registry.lookup(), builder2)
+
+ def test_lookup_fails_when_no_tree_builders_registered(self):
+ self.assertEqual(self.registry.lookup(), None)
+
+ def test_lookup_gets_most_recent_builder_supporting_all_features(self):
+ has_one = self.builder_for_features('foo')
+ has_the_other = self.builder_for_features('bar')
+ has_both_early = self.builder_for_features('foo', 'bar', 'baz')
+ has_both_late = self.builder_for_features('foo', 'bar', 'quux')
+ lacks_one = self.builder_for_features('bar')
+ has_the_other = self.builder_for_features('foo')
+
+ # There are two builders featuring 'foo' and 'bar', but
+ # the one that also features 'quux' was registered later.
+ self.assertEqual(self.registry.lookup('foo', 'bar'),
+ has_both_late)
+
+ # There is only one builder featuring 'foo', 'bar', and 'baz'.
+ self.assertEqual(self.registry.lookup('foo', 'bar', 'baz'),
+ has_both_early)
+
+ def test_lookup_fails_when_cannot_reconcile_requested_features(self):
+ builder1 = self.builder_for_features('foo', 'bar')
+ builder2 = self.builder_for_features('foo', 'baz')
+ self.assertEqual(self.registry.lookup('bar', 'baz'), None)
diff --git a/bitbake/lib/bs4/tests/test_docs.py b/bitbake/lib/bs4/tests/test_docs.py
new file mode 100644
index 0000000..5b9f677
--- /dev/null
+++ b/bitbake/lib/bs4/tests/test_docs.py
@@ -0,0 +1,36 @@
+"Test harness for doctests."
+
+# pylint: disable-msg=E0611,W0142
+
+__metaclass__ = type
+__all__ = [
+ 'additional_tests',
+ ]
+
+import atexit
+import doctest
+import os
+#from pkg_resources import (
+# resource_filename, resource_exists, resource_listdir, cleanup_resources)
+import unittest
+
+DOCTEST_FLAGS = (
+ doctest.ELLIPSIS |
+ doctest.NORMALIZE_WHITESPACE |
+ doctest.REPORT_NDIFF)
+
+
+# def additional_tests():
+# "Run the doc tests (README.txt and docs/*, if any exist)"
+# doctest_files = [
+# os.path.abspath(resource_filename('bs4', 'README.txt'))]
+# if resource_exists('bs4', 'docs'):
+# for name in resource_listdir('bs4', 'docs'):
+# if name.endswith('.txt'):
+# doctest_files.append(
+# os.path.abspath(
+# resource_filename('bs4', 'docs/%s' % name)))
+# kwargs = dict(module_relative=False, optionflags=DOCTEST_FLAGS)
+# atexit.register(cleanup_resources)
+# return unittest.TestSuite((
+# doctest.DocFileSuite(*doctest_files, **kwargs)))
diff --git a/bitbake/lib/bs4/tests/test_html5lib.py b/bitbake/lib/bs4/tests/test_html5lib.py
new file mode 100644
index 0000000..594c3e1
--- /dev/null
+++ b/bitbake/lib/bs4/tests/test_html5lib.py
@@ -0,0 +1,85 @@
+"""Tests to ensure that the html5lib tree builder generates good trees."""
+
+import warnings
+
+try:
+ from bs4.builder import HTML5TreeBuilder
+ HTML5LIB_PRESENT = True
+except ImportError, e:
+ HTML5LIB_PRESENT = False
+from bs4.element import SoupStrainer
+from bs4.testing import (
+ HTML5TreeBuilderSmokeTest,
+ SoupTest,
+ skipIf,
+)
+
+@skipIf(
+ not HTML5LIB_PRESENT,
+ "html5lib seems not to be present, not testing its tree builder.")
+class HTML5LibBuilderSmokeTest(SoupTest, HTML5TreeBuilderSmokeTest):
+ """See ``HTML5TreeBuilderSmokeTest``."""
+
+ @property
+ def default_builder(self):
+ return HTML5TreeBuilder()
+
+ def test_soupstrainer(self):
+ # The html5lib tree builder does not support SoupStrainers.
+ strainer = SoupStrainer("b")
+ markup = "<p>A <b>bold</b> statement.</p>"
+ with warnings.catch_warnings(record=True) as w:
+ soup = self.soup(markup, parse_only=strainer)
+ self.assertEqual(
+ soup.decode(), self.document_for(markup))
+
+ self.assertTrue(
+ "the html5lib tree builder doesn't support parse_only" in
+ str(w[0].message))
+
+ def test_correctly_nested_tables(self):
+ """html5lib inserts <tbody> tags where other parsers don't."""
+ markup = ('<table id="1">'
+ '<tr>'
+ "<td>Here's another table:"
+ '<table id="2">'
+ '<tr><td>foo</td></tr>'
+ '</table></td>')
+
+ self.assertSoupEquals(
+ markup,
+ '<table id="1"><tbody><tr><td>Here\'s another table:'
+ '<table id="2"><tbody><tr><td>foo</td></tr></tbody></table>'
+ '</td></tr></tbody></table>')
+
+ self.assertSoupEquals(
+ "<table><thead><tr><td>Foo</td></tr></thead>"
+ "<tbody><tr><td>Bar</td></tr></tbody>"
+ "<tfoot><tr><td>Baz</td></tr></tfoot></table>")
+
+ def test_xml_declaration_followed_by_doctype(self):
+ markup = '''<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE html>
+<html>
+ <head>
+ </head>
+ <body>
+ <p>foo</p>
+ </body>
+</html>'''
+ soup = self.soup(markup)
+ # Verify that we can reach the <p> tag; this means the tree is connected.
+ self.assertEqual(b"<p>foo</p>", soup.p.encode())
+
+ def test_reparented_markup(self):
+ markup = '<p><em>foo</p>\n<p>bar<a></a></em></p>'
+ soup = self.soup(markup)
+ self.assertEqual(u"<body><p><em>foo</em></p><em>\n</em><p><em>bar<a></a></em></p></body>", soup.body.decode())
+ self.assertEqual(2, len(soup.find_all('p')))
+
+
+ def test_reparented_markup_ends_with_whitespace(self):
+ markup = '<p><em>foo</p>\n<p>bar<a></a></em></p>\n'
+ soup = self.soup(markup)
+ self.assertEqual(u"<body><p><em>foo</em></p><em>\n</em><p><em>bar<a></a></em></p>\n</body>", soup.body.decode())
+ self.assertEqual(2, len(soup.find_all('p')))
diff --git a/bitbake/lib/bs4/tests/test_htmlparser.py b/bitbake/lib/bs4/tests/test_htmlparser.py
new file mode 100644
index 0000000..bcb5ed2
--- /dev/null
+++ b/bitbake/lib/bs4/tests/test_htmlparser.py
@@ -0,0 +1,19 @@
+"""Tests to ensure that the html.parser tree builder generates good
+trees."""
+
+from bs4.testing import SoupTest, HTMLTreeBuilderSmokeTest
+from bs4.builder import HTMLParserTreeBuilder
+
+class HTMLParserTreeBuilderSmokeTest(SoupTest, HTMLTreeBuilderSmokeTest):
+
+ @property
+ def default_builder(self):
+ return HTMLParserTreeBuilder()
+
+ def test_namespaced_system_doctype(self):
+ # html.parser can't handle namespaced doctypes, so skip this one.
+ pass
+
+ def test_namespaced_public_doctype(self):
+ # html.parser can't handle namespaced doctypes, so skip this one.
+ pass
diff --git a/bitbake/lib/bs4/tests/test_lxml.py b/bitbake/lib/bs4/tests/test_lxml.py
new file mode 100644
index 0000000..2b2e9b7
--- /dev/null
+++ b/bitbake/lib/bs4/tests/test_lxml.py
@@ -0,0 +1,91 @@
+"""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, 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�bar</p>", "<p>foobar</p>")
+ self.assertSoupEquals(
+ "<p>foo�bar</p>", "<p>foobar</p>")
+ self.assertSoupEquals(
+ "<p>foo�bar</p>", "<p>foobar</p>")
+
+ # 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(u"<b/>", unicode(soup.b))
+ self.assertTrue("BeautifulStoneSoup class is deprecated" in str(w[0].message))
+
+ def test_real_xhtml_document(self):
+ """lxml strips the XML definition from an XHTML doc, which is fine."""
+ markup = b"""<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN">
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head><title>Hello.</title></head>
+<body>Goodbye.</body>
+</html>"""
+ soup = self.soup(markup)
+ self.assertEqual(
+ soup.encode("utf-8").replace(b"\n", b''),
+ markup.replace(b'\n', b'').replace(
+ b'<?xml version="1.0" encoding="utf-8"?>', b''))
+
+
+@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()
diff --git a/bitbake/lib/bs4/tests/test_soup.py b/bitbake/lib/bs4/tests/test_soup.py
new file mode 100644
index 0000000..47ac245
--- /dev/null
+++ b/bitbake/lib/bs4/tests/test_soup.py
@@ -0,0 +1,434 @@
+# -*- coding: utf-8 -*-
+"""Tests of Beautiful Soup as a whole."""
+
+import logging
+import unittest
+import sys
+import tempfile
+
+from bs4 import (
+ BeautifulSoup,
+ BeautifulStoneSoup,
+)
+from bs4.element import (
+ CharsetMetaAttributeValue,
+ ContentMetaAttributeValue,
+ SoupStrainer,
+ NamespacedAttribute,
+ )
+import bs4.dammit
+from bs4.dammit import (
+ EntitySubstitution,
+ UnicodeDammit,
+)
+from bs4.testing import (
+ SoupTest,
+ skipIf,
+)
+import warnings
+
+try:
+ from bs4.builder import LXMLTreeBuilder, LXMLTreeBuilderForXML
+ LXML_PRESENT = True
+except ImportError, e:
+ LXML_PRESENT = False
+
+PYTHON_2_PRE_2_7 = (sys.version_info < (2,7))
+PYTHON_3_PRE_3_2 = (sys.version_info[0] == 3 and sys.version_info < (3,2))
+
+class TestConstructor(SoupTest):
+
+ def test_short_unicode_input(self):
+ data = u"<h1>éé</h1>"
+ soup = self.soup(data)
+ self.assertEqual(u"éé", soup.h1.string)
+
+ def test_embedded_null(self):
+ data = u"<h1>foo\0bar</h1>"
+ soup = self.soup(data)
+ self.assertEqual(u"foo\0bar", soup.h1.string)
+
+
+class TestDeprecatedConstructorArguments(SoupTest):
+
+ def test_parseOnlyThese_renamed_to_parse_only(self):
+ with warnings.catch_warnings(record=True) as w:
+ soup = self.soup("<a><b></b></a>", parseOnlyThese=SoupStrainer("b"))
+ msg = str(w[0].message)
+ self.assertTrue("parseOnlyThese" in msg)
+ self.assertTrue("parse_only" in msg)
+ self.assertEqual(b"<b></b>", soup.encode())
+
+ def test_fromEncoding_renamed_to_from_encoding(self):
+ with warnings.catch_warnings(record=True) as w:
+ utf8 = b"\xc3\xa9"
+ soup = self.soup(utf8, fromEncoding="utf8")
+ msg = str(w[0].message)
+ self.assertTrue("fromEncoding" in msg)
+ self.assertTrue("from_encoding" in msg)
+ self.assertEqual("utf8", soup.original_encoding)
+
+ def test_unrecognized_keyword_argument(self):
+ self.assertRaises(
+ TypeError, self.soup, "<a>", no_such_argument=True)
+
+class TestWarnings(SoupTest):
+
+ def test_disk_file_warning(self):
+ filehandle = tempfile.NamedTemporaryFile()
+ filename = filehandle.name
+ try:
+ with warnings.catch_warnings(record=True) as w:
+ soup = self.soup(filename)
+ msg = str(w[0].message)
+ self.assertTrue("looks like a filename" in msg)
+ finally:
+ filehandle.close()
+
+ # The file no longer exists, so Beautiful Soup will no longer issue the warning.
+ with warnings.catch_warnings(record=True) as w:
+ soup = self.soup(filename)
+ self.assertEqual(0, len(w))
+
+ def test_url_warning(self):
+ with warnings.catch_warnings(record=True) as w:
+ soup = self.soup("http://www.crummy.com/")
+ msg = str(w[0].message)
+ self.assertTrue("looks like a URL" in msg)
+
+ with warnings.catch_warnings(record=True) as w:
+ soup = self.soup("http://www.crummy.com/ is great")
+ self.assertEqual(0, len(w))
+
+class TestSelectiveParsing(SoupTest):
+
+ def test_parse_with_soupstrainer(self):
+ markup = "No<b>Yes</b><a>No<b>Yes <c>Yes</c></b>"
+ strainer = SoupStrainer("b")
+ soup = self.soup(markup, parse_only=strainer)
+ self.assertEqual(soup.encode(), b"<b>Yes</b><b>Yes <c>Yes</c></b>")
+
+
+class TestEntitySubstitution(unittest.TestCase):
+ """Standalone tests of the EntitySubstitution class."""
+ def setUp(self):
+ self.sub = EntitySubstitution
+
+ def test_simple_html_substitution(self):
+ # Unicode characters corresponding to named HTML entites
+ # are substituted, and no others.
+ s = u"foo\u2200\N{SNOWMAN}\u00f5bar"
+ self.assertEqual(self.sub.substitute_html(s),
+ u"foo∀\N{SNOWMAN}õbar")
+
+ def test_smart_quote_substitution(self):
+ # MS smart quotes are a common source of frustration, so we
+ # give them a special test.
+ quotes = b"\x91\x92foo\x93\x94"
+ dammit = UnicodeDammit(quotes)
+ self.assertEqual(self.sub.substitute_html(dammit.markup),
+ "‘’foo“”")
+
+ def test_xml_converstion_includes_no_quotes_if_make_quoted_attribute_is_false(self):
+ s = 'Welcome to "my bar"'
+ self.assertEqual(self.sub.substitute_xml(s, False), s)
+
+ def test_xml_attribute_quoting_normally_uses_double_quotes(self):
+ self.assertEqual(self.sub.substitute_xml("Welcome", True),
+ '"Welcome"')
+ self.assertEqual(self.sub.substitute_xml("Bob's Bar", True),
+ '"Bob\'s Bar"')
+
+ def test_xml_attribute_quoting_uses_single_quotes_when_value_contains_double_quotes(self):
+ s = 'Welcome to "my bar"'
+ self.assertEqual(self.sub.substitute_xml(s, True),
+ "'Welcome to \"my bar\"'")
+
+ def test_xml_attribute_quoting_escapes_single_quotes_when_value_contains_both_single_and_double_quotes(self):
+ s = 'Welcome to "Bob\'s Bar"'
+ self.assertEqual(
+ self.sub.substitute_xml(s, True),
+ '"Welcome to "Bob\'s Bar""')
+
+ def test_xml_quotes_arent_escaped_when_value_is_not_being_quoted(self):
+ quoted = 'Welcome to "Bob\'s Bar"'
+ self.assertEqual(self.sub.substitute_xml(quoted), quoted)
+
+ def test_xml_quoting_handles_angle_brackets(self):
+ self.assertEqual(
+ self.sub.substitute_xml("foo<bar>"),
+ "foo<bar>")
+
+ def test_xml_quoting_handles_ampersands(self):
+ self.assertEqual(self.sub.substitute_xml("AT&T"), "AT&T")
+
+ def test_xml_quoting_including_ampersands_when_they_are_part_of_an_entity(self):
+ self.assertEqual(
+ self.sub.substitute_xml("ÁT&T"),
+ "&Aacute;T&T")
+
+ def test_xml_quoting_ignoring_ampersands_when_they_are_part_of_an_entity(self):
+ self.assertEqual(
+ self.sub.substitute_xml_containing_entities("ÁT&T"),
+ "ÁT&T")
+
+ def test_quotes_not_html_substituted(self):
+ """There's no need to do this except inside attribute values."""
+ text = 'Bob\'s "bar"'
+ self.assertEqual(self.sub.substitute_html(text), text)
+
+
+class TestEncodingConversion(SoupTest):
+ # Test Beautiful Soup's ability to decode and encode from various
+ # encodings.
+
+ def setUp(self):
+ super(TestEncodingConversion, self).setUp()
+ self.unicode_data = u'<html><head><meta charset="utf-8"/></head><body><foo>Sacr\N{LATIN SMALL LETTER E WITH ACUTE} bleu!</foo></body></html>'
+ self.utf8_data = self.unicode_data.encode("utf-8")
+ # Just so you know what it looks like.
+ self.assertEqual(
+ self.utf8_data,
+ b'<html><head><meta charset="utf-8"/></head><body><foo>Sacr\xc3\xa9 bleu!</foo></body></html>')
+
+ def test_ascii_in_unicode_out(self):
+ # ASCII input is converted to Unicode. The original_encoding
+ # attribute is set to 'utf-8', a superset of ASCII.
+ chardet = bs4.dammit.chardet_dammit
+ logging.disable(logging.WARNING)
+ try:
+ def noop(str):
+ return None
+ # Disable chardet, which will realize that the ASCII is ASCII.
+ bs4.dammit.chardet_dammit = noop
+ ascii = b"<foo>a</foo>"
+ soup_from_ascii = self.soup(ascii)
+ unicode_output = soup_from_ascii.decode()
+ self.assertTrue(isinstance(unicode_output, unicode))
+ self.assertEqual(unicode_output, self.document_for(ascii.decode()))
+ self.assertEqual(soup_from_ascii.original_encoding.lower(), "utf-8")
+ finally:
+ logging.disable(logging.NOTSET)
+ bs4.dammit.chardet_dammit = chardet
+
+ def test_unicode_in_unicode_out(self):
+ # Unicode input is left alone. The original_encoding attribute
+ # is not set.
+ soup_from_unicode = self.soup(self.unicode_data)
+ self.assertEqual(soup_from_unicode.decode(), self.unicode_data)
+ self.assertEqual(soup_from_unicode.foo.string, u'Sacr\xe9 bleu!')
+ self.assertEqual(soup_from_unicode.original_encoding, None)
+
+ def test_utf8_in_unicode_out(self):
+ # UTF-8 input is converted to Unicode. The original_encoding
+ # attribute is set.
+ soup_from_utf8 = self.soup(self.utf8_data)
+ self.assertEqual(soup_from_utf8.decode(), self.unicode_data)
+ self.assertEqual(soup_from_utf8.foo.string, u'Sacr\xe9 bleu!')
+
+ def test_utf8_out(self):
+ # The internal data structures can be encoded as UTF-8.
+ soup_from_unicode = self.soup(self.unicode_data)
+ self.assertEqual(soup_from_unicode.encode('utf-8'), self.utf8_data)
+
+ @skipIf(
+ PYTHON_2_PRE_2_7 or PYTHON_3_PRE_3_2,
+ "Bad HTMLParser detected; skipping test of non-ASCII characters in attribute name.")
+ def test_attribute_name_containing_unicode_characters(self):
+ markup = u'<div><a \N{SNOWMAN}="snowman"></a></div>'
+ self.assertEqual(self.soup(markup).div.encode("utf8"), markup.encode("utf8"))
+
+class TestUnicodeDammit(unittest.TestCase):
+ """Standalone tests of UnicodeDammit."""
+
+ def test_unicode_input(self):
+ markup = u"I'm already Unicode! \N{SNOWMAN}"
+ dammit = UnicodeDammit(markup)
+ self.assertEqual(dammit.unicode_markup, markup)
+
+ def test_smart_quotes_to_unicode(self):
+ markup = b"<foo>\x91\x92\x93\x94</foo>"
+ dammit = UnicodeDammit(markup)
+ self.assertEqual(
+ dammit.unicode_markup, u"<foo>\u2018\u2019\u201c\u201d</foo>")
+
+ def test_smart_quotes_to_xml_entities(self):
+ markup = b"<foo>\x91\x92\x93\x94</foo>"
+ dammit = UnicodeDammit(markup, smart_quotes_to="xml")
+ self.assertEqual(
+ dammit.unicode_markup, "<foo>‘’“”</foo>")
+
+ def test_smart_quotes_to_html_entities(self):
+ markup = b"<foo>\x91\x92\x93\x94</foo>"
+ dammit = UnicodeDammit(markup, smart_quotes_to="html")
+ self.assertEqual(
+ dammit.unicode_markup, "<foo>‘’“”</foo>")
+
+ def test_smart_quotes_to_ascii(self):
+ markup = b"<foo>\x91\x92\x93\x94</foo>"
+ dammit = UnicodeDammit(markup, smart_quotes_to="ascii")
+ self.assertEqual(
+ dammit.unicode_markup, """<foo>''""</foo>""")
+
+ def test_detect_utf8(self):
+ utf8 = b"\xc3\xa9"
+ dammit = UnicodeDammit(utf8)
+ self.assertEqual(dammit.unicode_markup, u'\xe9')
+ self.assertEqual(dammit.original_encoding.lower(), 'utf-8')
+
+ def test_convert_hebrew(self):
+ hebrew = b"\xed\xe5\xec\xf9"
+ dammit = UnicodeDammit(hebrew, ["iso-8859-8"])
+ self.assertEqual(dammit.original_encoding.lower(), 'iso-8859-8')
+ self.assertEqual(dammit.unicode_markup, u'\u05dd\u05d5\u05dc\u05e9')
+
+ def test_dont_see_smart_quotes_where_there_are_none(self):
+ utf_8 = b"\343\202\261\343\203\274\343\202\277\343\202\244 Watch"
+ dammit = UnicodeDammit(utf_8)
+ self.assertEqual(dammit.original_encoding.lower(), 'utf-8')
+ self.assertEqual(dammit.unicode_markup.encode("utf-8"), utf_8)
+
+ def test_ignore_inappropriate_codecs(self):
+ utf8_data = u"Räksmörgås".encode("utf-8")
+ dammit = UnicodeDammit(utf8_data, ["iso-8859-8"])
+ self.assertEqual(dammit.original_encoding.lower(), 'utf-8')
+
+ def test_ignore_invalid_codecs(self):
+ utf8_data = u"Räksmörgås".encode("utf-8")
+ for bad_encoding in ['.utf8', '...', 'utF---16.!']:
+ dammit = UnicodeDammit(utf8_data, [bad_encoding])
+ self.assertEqual(dammit.original_encoding.lower(), 'utf-8')
+
+ def test_detect_html5_style_meta_tag(self):
+
+ for data in (
+ b'<html><meta charset="euc-jp" /></html>',
+ b"<html><meta charset='euc-jp' /></html>",
+ b"<html><meta charset=euc-jp /></html>",
+ b"<html><meta charset=euc-jp/></html>"):
+ dammit = UnicodeDammit(data, is_html=True)
+ self.assertEqual(
+ "euc-jp", dammit.original_encoding)
+
+ def test_last_ditch_entity_replacement(self):
+ # This is a UTF-8 document that contains bytestrings
+ # completely incompatible with UTF-8 (ie. encoded with some other
+ # encoding).
+ #
+ # Since there is no consistent encoding for the document,
+ # Unicode, Dammit will eventually encode the document as UTF-8
+ # and encode the incompatible characters as REPLACEMENT
+ # CHARACTER.
+ #
+ # If chardet is installed, it will detect that the document
+ # can be converted into ISO-8859-1 without errors. This happens
+ # to be the wrong encoding, but it is a consistent encoding, so the
+ # code we're testing here won't run.
+ #
+ # So we temporarily disable chardet if it's present.
+ doc = b"""\357\273\277<?xml version="1.0" encoding="UTF-8"?>
+<html><b>\330\250\330\252\330\261</b>
+<i>\310\322\321\220\312\321\355\344</i></html>"""
+ chardet = bs4.dammit.chardet_dammit
+ logging.disable(logging.WARNING)
+ try:
+ def noop(str):
+ return None
+ bs4.dammit.chardet_dammit = noop
+ dammit = UnicodeDammit(doc)
+ self.assertEqual(True, dammit.contains_replacement_characters)
+ self.assertTrue(u"\ufffd" in dammit.unicode_markup)
+
+ soup = BeautifulSoup(doc, "html.parser")
+ self.assertTrue(soup.contains_replacement_characters)
+ finally:
+ logging.disable(logging.NOTSET)
+ bs4.dammit.chardet_dammit = chardet
+
+ def test_byte_order_mark_removed(self):
+ # A document written in UTF-16LE will have its byte order marker stripped.
+ data = b'\xff\xfe<\x00a\x00>\x00\xe1\x00\xe9\x00<\x00/\x00a\x00>\x00'
+ dammit = UnicodeDammit(data)
+ self.assertEqual(u"<a>áé</a>", dammit.unicode_markup)
+ self.assertEqual("utf-16le", dammit.original_encoding)
+
+ def test_detwingle(self):
+ # Here's a UTF8 document.
+ utf8 = (u"\N{SNOWMAN}" * 3).encode("utf8")
+
+ # Here's a Windows-1252 document.
+ windows_1252 = (
+ u"\N{LEFT DOUBLE QUOTATION MARK}Hi, I like Windows!"
+ u"\N{RIGHT DOUBLE QUOTATION MARK}").encode("windows_1252")
+
+ # Through some unholy alchemy, they've been stuck together.
+ doc = utf8 + windows_1252 + utf8
+
+ # The document can't be turned into UTF-8:
+ self.assertRaises(UnicodeDecodeError, doc.decode, "utf8")
+
+ # Unicode, Dammit thinks the whole document is Windows-1252,
+ # and decodes it into "☃☃☃“Hi, I like Windows!”☃☃☃"
+
+ # But if we run it through fix_embedded_windows_1252, it's fixed:
+
+ fixed = UnicodeDammit.detwingle(doc)
+ self.assertEqual(
+ u"☃☃☃“Hi, I like Windows!”☃☃☃", fixed.decode("utf8"))
+
+ def test_detwingle_ignores_multibyte_characters(self):
+ # Each of these characters has a UTF-8 representation ending
+ # in \x93. \x93 is a smart quote if interpreted as
+ # Windows-1252. But our code knows to skip over multibyte
+ # UTF-8 characters, so they'll survive the process unscathed.
+ for tricky_unicode_char in (
+ u"\N{LATIN SMALL LIGATURE OE}", # 2-byte char '\xc5\x93'
+ u"\N{LATIN SUBSCRIPT SMALL LETTER X}", # 3-byte char '\xe2\x82\x93'
+ u"\xf0\x90\x90\x93", # This is a CJK character, not sure which one.
+ ):
+ input = tricky_unicode_char.encode("utf8")
+ self.assertTrue(input.endswith(b'\x93'))
+ output = UnicodeDammit.detwingle(input)
+ self.assertEqual(output, input)
+
+class TestNamedspacedAttribute(SoupTest):
+
+ def test_name_may_be_none(self):
+ a = NamespacedAttribute("xmlns", None)
+ self.assertEqual(a, "xmlns")
+
+ def test_attribute_is_equivalent_to_colon_separated_string(self):
+ a = NamespacedAttribute("a", "b")
+ self.assertEqual("a:b", a)
+
+ def test_attributes_are_equivalent_if_prefix_and_name_identical(self):
+ a = NamespacedAttribute("a", "b", "c")
+ b = NamespacedAttribute("a", "b", "c")
+ self.assertEqual(a, b)
+
+ # The actual namespace is not considered.
+ c = NamespacedAttribute("a", "b", None)
+ self.assertEqual(a, c)
+
+ # But name and prefix are important.
+ d = NamespacedAttribute("a", "z", "c")
+ self.assertNotEqual(a, d)
+
+ e = NamespacedAttribute("z", "b", "c")
+ self.assertNotEqual(a, e)
+
+
+class TestAttributeValueWithCharsetSubstitution(unittest.TestCase):
+
+ def test_content_meta_attribute_value(self):
+ value = CharsetMetaAttributeValue("euc-jp")
+ self.assertEqual("euc-jp", value)
+ self.assertEqual("euc-jp", value.original_value)
+ self.assertEqual("utf8", value.encode("utf8"))
+
+
+ def test_content_meta_attribute_value(self):
+ value = ContentMetaAttributeValue("text/html; charset=euc-jp")
+ self.assertEqual("text/html; charset=euc-jp", value)
+ self.assertEqual("text/html; charset=euc-jp", value.original_value)
+ self.assertEqual("text/html; charset=utf8", value.encode("utf8"))
diff --git a/bitbake/lib/bs4/tests/test_tree.py b/bitbake/lib/bs4/tests/test_tree.py
new file mode 100644
index 0000000..f8515c0
--- /dev/null
+++ b/bitbake/lib/bs4/tests/test_tree.py
@@ -0,0 +1,1829 @@
+# -*- coding: utf-8 -*-
+"""Tests for Beautiful Soup's tree traversal methods.
+
+The tree traversal methods are the main advantage of using Beautiful
+Soup over just using a parser.
+
+Different parsers will build different Beautiful Soup trees given the
+same markup, but all Beautiful Soup trees can be traversed with the
+methods tested here.
+"""
+
+import copy
+import pickle
+import re
+import warnings
+from bs4 import BeautifulSoup
+from bs4.builder import (
+ builder_registry,
+ HTMLParserTreeBuilder,
+)
+from bs4.element import (
+ CData,
+ Comment,
+ Doctype,
+ NavigableString,
+ SoupStrainer,
+ Tag,
+)
+from bs4.testing import (
+ SoupTest,
+ skipIf,
+)
+
+XML_BUILDER_PRESENT = (builder_registry.lookup("xml") is not None)
+LXML_PRESENT = (builder_registry.lookup("lxml") is not None)
+
+class TreeTest(SoupTest):
+
+ def assertSelects(self, tags, should_match):
+ """Make sure that the given tags have the correct text.
+
+ This is used in tests that define a bunch of tags, each
+ containing a single string, and then select certain strings by
+ some mechanism.
+ """
+ self.assertEqual([tag.string for tag in tags], should_match)
+
+ def assertSelectsIDs(self, tags, should_match):
+ """Make sure that the given tags have the correct IDs.
+
+ This is used in tests that define a bunch of tags, each
+ containing a single string, and then select certain strings by
+ some mechanism.
+ """
+ self.assertEqual([tag['id'] for tag in tags], should_match)
+
+
+class TestFind(TreeTest):
+ """Basic tests of the find() method.
+
+ find() just calls find_all() with limit=1, so it's not tested all
+ that thouroughly here.
+ """
+
+ def test_find_tag(self):
+ soup = self.soup("<a>1</a><b>2</b><a>3</a><b>4</b>")
+ self.assertEqual(soup.find("b").string, "2")
+
+ def test_unicode_text_find(self):
+ soup = self.soup(u'<h1>Räksmörgås</h1>')
+ self.assertEqual(soup.find(text=u'Räksmörgås'), u'Räksmörgås')
+
+ def test_find_everything(self):
+ """Test an optimization that finds all tags."""
+ soup = self.soup("<a>foo</a><b>bar</b>")
+ self.assertEqual(2, len(soup.find_all()))
+
+ def test_find_everything_with_name(self):
+ """Test an optimization that finds all tags with a given name."""
+ soup = self.soup("<a>foo</a><b>bar</b><a>baz</a>")
+ self.assertEqual(2, len(soup.find_all('a')))
+
+class TestFindAll(TreeTest):
+ """Basic tests of the find_all() method."""
+
+ def test_find_all_text_nodes(self):
+ """You can search the tree for text nodes."""
+ soup = self.soup("<html>Foo<b>bar</b>\xbb</html>")
+ # Exact match.
+ self.assertEqual(soup.find_all(text="bar"), [u"bar"])
+ # Match any of a number of strings.
+ self.assertEqual(
+ soup.find_all(text=["Foo", "bar"]), [u"Foo", u"bar"])
+ # Match a regular expression.
+ self.assertEqual(soup.find_all(text=re.compile('.*')),
+ [u"Foo", u"bar", u'\xbb'])
+ # Match anything.
+ self.assertEqual(soup.find_all(text=True),
+ [u"Foo", u"bar", u'\xbb'])
+
+ def test_find_all_limit(self):
+ """You can limit the number of items returned by find_all."""
+ soup = self.soup("<a>1</a><a>2</a><a>3</a><a>4</a><a>5</a>")
+ self.assertSelects(soup.find_all('a', limit=3), ["1", "2", "3"])
+ self.assertSelects(soup.find_all('a', limit=1), ["1"])
+ self.assertSelects(
+ soup.find_all('a', limit=10), ["1", "2", "3", "4", "5"])
+
+ # A limit of 0 means no limit.
+ self.assertSelects(
+ soup.find_all('a', limit=0), ["1", "2", "3", "4", "5"])
+
+ def test_calling_a_tag_is_calling_findall(self):
+ soup = self.soup("<a>1</a><b>2<a id='foo'>3</a></b>")
+ self.assertSelects(soup('a', limit=1), ["1"])
+ self.assertSelects(soup.b(id="foo"), ["3"])
+
+ def test_find_all_with_self_referential_data_structure_does_not_cause_infinite_recursion(self):
+ soup = self.soup("<a></a>")
+ # Create a self-referential list.
+ l = []
+ l.append(l)
+
+ # Without special code in _normalize_search_value, this would cause infinite
+ # recursion.
+ self.assertEqual([], soup.find_all(l))
+
+ def test_find_all_resultset(self):
+ """All find_all calls return a ResultSet"""
+ soup = self.soup("<a></a>")
+ result = soup.find_all("a")
+ self.assertTrue(hasattr(result, "source"))
+
+ result = soup.find_all(True)
+ self.assertTrue(hasattr(result, "source"))
+
+ result = soup.find_all(text="foo")
+ self.assertTrue(hasattr(result, "source"))
+
+
+class TestFindAllBasicNamespaces(TreeTest):
+
+ def test_find_by_namespaced_name(self):
+ soup = self.soup('<mathml:msqrt>4</mathml:msqrt><a svg:fill="red">')
+ self.assertEqual("4", soup.find("mathml:msqrt").string)
+ self.assertEqual("a", soup.find(attrs= { "svg:fill" : "red" }).name)
+
+
+class TestFindAllByName(TreeTest):
+ """Test ways of finding tags by tag name."""
+
+ def setUp(self):
+ super(TreeTest, self).setUp()
+ self.tree = self.soup("""<a>First tag.</a>
+ <b>Second tag.</b>
+ <c>Third <a>Nested tag.</a> tag.</c>""")
+
+ def test_find_all_by_tag_name(self):
+ # Find all the <a> tags.
+ self.assertSelects(
+ self.tree.find_all('a'), ['First tag.', 'Nested tag.'])
+
+ def test_find_all_by_name_and_text(self):
+ self.assertSelects(
+ self.tree.find_all('a', text='First tag.'), ['First tag.'])
+
+ self.assertSelects(
+ self.tree.find_all('a', text=True), ['First tag.', 'Nested tag.'])
+
+ self.assertSelects(
+ self.tree.find_all('a', text=re.compile("tag")),
+ ['First tag.', 'Nested tag.'])
+
+
+ def test_find_all_on_non_root_element(self):
+ # You can call find_all on any node, not just the root.
+ self.assertSelects(self.tree.c.find_all('a'), ['Nested tag.'])
+
+ def test_calling_element_invokes_find_all(self):
+ self.assertSelects(self.tree('a'), ['First tag.', 'Nested tag.'])
+
+ def test_find_all_by_tag_strainer(self):
+ self.assertSelects(
+ self.tree.find_all(SoupStrainer('a')),
+ ['First tag.', 'Nested tag.'])
+
+ def test_find_all_by_tag_names(self):
+ self.assertSelects(
+ self.tree.find_all(['a', 'b']),
+ ['First tag.', 'Second tag.', 'Nested tag.'])
+
+ def test_find_all_by_tag_dict(self):
+ self.assertSelects(
+ self.tree.find_all({'a' : True, 'b' : True}),
+ ['First tag.', 'Second tag.', 'Nested tag.'])
+
+ def test_find_all_by_tag_re(self):
+ self.assertSelects(
+ self.tree.find_all(re.compile('^[ab]$')),
+ ['First tag.', 'Second tag.', 'Nested tag.'])
+
+ def test_find_all_with_tags_matching_method(self):
+ # You can define an oracle method that determines whether
+ # a tag matches the search.
+ def id_matches_name(tag):
+ return tag.name == tag.get('id')
+
+ tree = self.soup("""<a id="a">Match 1.</a>
+ <a id="1">Does not match.</a>
+ <b id="b">Match 2.</a>""")
+
+ self.assertSelects(
+ tree.find_all(id_matches_name), ["Match 1.", "Match 2."])
+
+
+class TestFindAllByAttribute(TreeTest):
+
+ def test_find_all_by_attribute_name(self):
+ # You can pass in keyword arguments to find_all to search by
+ # attribute.
+ tree = self.soup("""
+ <a id="first">Matching a.</a>
+ <a id="second">
+ Non-matching <b id="first">Matching b.</b>a.
+ </a>""")
+ self.assertSelects(tree.find_all(id='first'),
+ ["Matching a.", "Matching b."])
+
+ def test_find_all_by_utf8_attribute_value(self):
+ peace = u"םולש".encode("utf8")
+ data = u'<a title="םולש"></a>'.encode("utf8")
+ soup = self.soup(data)
+ self.assertEqual([soup.a], soup.find_all(title=peace))
+ self.assertEqual([soup.a], soup.find_all(title=peace.decode("utf8")))
+ self.assertEqual([soup.a], soup.find_all(title=[peace, "something else"]))
+
+ def test_find_all_by_attribute_dict(self):
+ # You can pass in a dictionary as the argument 'attrs'. This
+ # lets you search for attributes like 'name' (a fixed argument
+ # to find_all) and 'class' (a reserved word in Python.)
+ tree = self.soup("""
+ <a name="name1" class="class1">Name match.</a>
+ <a name="name2" class="class2">Class match.</a>
+ <a name="name3" class="class3">Non-match.</a>
+ <name1>A tag called 'name1'.</name1>
+ """)
+
+ # This doesn't do what you want.
+ self.assertSelects(tree.find_all(name='name1'),
+ ["A tag called 'name1'."])
+ # This does what you want.
+ self.assertSelects(tree.find_all(attrs={'name' : 'name1'}),
+ ["Name match."])
+
+ self.assertSelects(tree.find_all(attrs={'class' : 'class2'}),
+ ["Class match."])
+
+ def test_find_all_by_class(self):
+ tree = self.soup("""
+ <a class="1">Class 1.</a>
+ <a class="2">Class 2.</a>
+ <b class="1">Class 1.</b>
+ <c class="3 4">Class 3 and 4.</c>
+ """)
+
+ # Passing in the class_ keyword argument will search against
+ # the 'class' attribute.
+ self.assertSelects(tree.find_all('a', class_='1'), ['Class 1.'])
+ self.assertSelects(tree.find_all('c', class_='3'), ['Class 3 and 4.'])
+ self.assertSelects(tree.find_all('c', class_='4'), ['Class 3 and 4.'])
+
+ # Passing in a string to 'attrs' will also search the CSS class.
+ self.assertSelects(tree.find_all('a', '1'), ['Class 1.'])
+ self.assertSelects(tree.find_all(attrs='1'), ['Class 1.', 'Class 1.'])
+ self.assertSelects(tree.find_all('c', '3'), ['Class 3 and 4.'])
+ self.assertSelects(tree.find_all('c', '4'), ['Class 3 and 4.'])
+
+ def test_find_by_class_when_multiple_classes_present(self):
+ tree = self.soup("<gar class='foo bar'>Found it</gar>")
+
+ f = tree.find_all("gar", class_=re.compile("o"))
+ self.assertSelects(f, ["Found it"])
+
+ f = tree.find_all("gar", class_=re.compile("a"))
+ self.assertSelects(f, ["Found it"])
+
+ # Since the class is not the string "foo bar", but the two
+ # strings "foo" and "bar", this will not find anything.
+ f = tree.find_all("gar", class_=re.compile("o b"))
+ self.assertSelects(f, [])
+
+ def test_find_all_with_non_dictionary_for_attrs_finds_by_class(self):
+ soup = self.soup("<a class='bar'>Found it</a>")
+
+ self.assertSelects(soup.find_all("a", re.compile("ba")), ["Found it"])
+
+ def big_attribute_value(value):
+ return len(value) > 3
+
+ self.assertSelects(soup.find_all("a", big_attribute_value), [])
+
+ def small_attribute_value(value):
+ return len(value) <= 3
+
+ self.assertSelects(
+ soup.find_all("a", small_attribute_value), ["Found it"])
+
+ def test_find_all_with_string_for_attrs_finds_multiple_classes(self):
+ soup = self.soup('<a class="foo bar"></a><a class="foo"></a>')
+ a, a2 = soup.find_all("a")
+ self.assertEqual([a, a2], soup.find_all("a", "foo"))
+ self.assertEqual([a], soup.find_all("a", "bar"))
+
+ # If you specify the class as a string that contains a
+ # space, only that specific value will be found.
+ self.assertEqual([a], soup.find_all("a", class_="foo bar"))
+ self.assertEqual([a], soup.find_all("a", "foo bar"))
+ self.assertEqual([], soup.find_all("a", "bar foo"))
+
+ def test_find_all_by_attribute_soupstrainer(self):
+ tree = self.soup("""
+ <a id="first">Match.</a>
+ <a id="second">Non-match.</a>""")
+
+ strainer = SoupStrainer(attrs={'id' : 'first'})
+ self.assertSelects(tree.find_all(strainer), ['Match.'])
+
+ def test_find_all_with_missing_atribute(self):
+ # You can pass in None as the value of an attribute to find_all.
+ # This will match tags that do not have that attribute set.
+ tree = self.soup("""<a id="1">ID present.</a>
+ <a>No ID present.</a>
+ <a id="">ID is empty.</a>""")
+ self.assertSelects(tree.find_all('a', id=None), ["No ID present."])
+
+ def test_find_all_with_defined_attribute(self):
+ # You can pass in None as the value of an attribute to find_all.
+ # This will match tags that have that attribute set to any value.
+ tree = self.soup("""<a id="1">ID present.</a>
+ <a>No ID present.</a>
+ <a id="">ID is empty.</a>""")
+ self.assertSelects(
+ tree.find_all(id=True), ["ID present.", "ID is empty."])
+
+ def test_find_all_with_numeric_attribute(self):
+ # If you search for a number, it's treated as a string.
+ tree = self.soup("""<a id=1>Unquoted attribute.</a>
+ <a id="1">Quoted attribute.</a>""")
+
+ expected = ["Unquoted attribute.", "Quoted attribute."]
+ self.assertSelects(tree.find_all(id=1), expected)
+ self.assertSelects(tree.find_all(id="1"), expected)
+
+ def test_find_all_with_list_attribute_values(self):
+ # You can pass a list of attribute values instead of just one,
+ # and you'll get tags that match any of the values.
+ tree = self.soup("""<a id="1">1</a>
+ <a id="2">2</a>
+ <a id="3">3</a>
+ <a>No ID.</a>""")
+ self.assertSelects(tree.find_all(id=["1", "3", "4"]),
+ ["1", "3"])
+
+ def test_find_all_with_regular_expression_attribute_value(self):
+ # You can pass a regular expression as an attribute value, and
+ # you'll get tags whose values for that attribute match the
+ # regular expression.
+ tree = self.soup("""<a id="a">One a.</a>
+ <a id="aa">Two as.</a>
+ <a id="ab">Mixed as and bs.</a>
+ <a id="b">One b.</a>
+ <a>No ID.</a>""")
+
+ self.assertSelects(tree.find_all(id=re.compile("^a+$")),
+ ["One a.", "Two as."])
+
+ def test_find_by_name_and_containing_string(self):
+ soup = self.soup("<b>foo</b><b>bar</b><a>foo</a>")
+ a = soup.a
+
+ self.assertEqual([a], soup.find_all("a", text="foo"))
+ self.assertEqual([], soup.find_all("a", text="bar"))
+ self.assertEqual([], soup.find_all("a", text="bar"))
+
+ def test_find_by_name_and_containing_string_when_string_is_buried(self):
+ soup = self.soup("<a>foo</a><a><b><c>foo</c></b></a>")
+ self.assertEqual(soup.find_all("a"), soup.find_all("a", text="foo"))
+
+ def test_find_by_attribute_and_containing_string(self):
+ soup = self.soup('<b id="1">foo</b><a id="2">foo</a>')
+ a = soup.a
+
+ self.assertEqual([a], soup.find_all(id=2, text="foo"))
+ self.assertEqual([], soup.find_all(id=1, text="bar"))
+
+
+
+
+class TestIndex(TreeTest):
+ """Test Tag.index"""
+ def test_index(self):
+ tree = self.soup("""<div>
+ <a>Identical</a>
+ <b>Not identical</b>
+ <a>Identical</a>
+
+ <c><d>Identical with child</d></c>
+ <b>Also not identical</b>
+ <c><d>Identical with child</d></c>
+ </div>""")
+ div = tree.div
+ for i, element in enumerate(div.contents):
+ self.assertEqual(i, div.index(element))
+ self.assertRaises(ValueError, tree.index, 1)
+
+
+class TestParentOperations(TreeTest):
+ """Test navigation and searching through an element's parents."""
+
+ def setUp(self):
+ super(TestParentOperations, self).setUp()
+ self.tree = self.soup('''<ul id="empty"></ul>
+ <ul id="top">
+ <ul id="middle">
+ <ul id="bottom">
+ <b>Start here</b>
+ </ul>
+ </ul>''')
+ self.start = self.tree.b
+
+
+ def test_parent(self):
+ self.assertEqual(self.start.parent['id'], 'bottom')
+ self.assertEqual(self.start.parent.parent['id'], 'middle')
+ self.assertEqual(self.start.parent.parent.parent['id'], 'top')
+
+ def test_parent_of_top_tag_is_soup_object(self):
+ top_tag = self.tree.contents[0]
+ self.assertEqual(top_tag.parent, self.tree)
+
+ def test_soup_object_has_no_parent(self):
+ self.assertEqual(None, self.tree.parent)
+
+ def test_find_parents(self):
+ self.assertSelectsIDs(
+ self.start.find_parents('ul'), ['bottom', 'middle', 'top'])
+ self.assertSelectsIDs(
+ self.start.find_parents('ul', id="middle"), ['middle'])
+
+ def test_find_parent(self):
+ self.assertEqual(self.start.find_parent('ul')['id'], 'bottom')
+ self.assertEqual(self.start.find_parent('ul', id='top')['id'], 'top')
+
+ def test_parent_of_text_element(self):
+ text = self.tree.find(text="Start here")
+ self.assertEqual(text.parent.name, 'b')
+
+ def test_text_element_find_parent(self):
+ text = self.tree.find(text="Start here")
+ self.assertEqual(text.find_parent('ul')['id'], 'bottom')
+
+ def test_parent_generator(self):
+ parents = [parent['id'] for parent in self.start.parents
+ if parent is not None and 'id' in parent.attrs]
+ self.assertEqual(parents, ['bottom', 'middle', 'top'])
+
+
+class ProximityTest(TreeTest):
+
+ def setUp(self):
+ super(TreeTest, self).setUp()
+ self.tree = self.soup(
+ '<html id="start"><head></head><body><b id="1">One</b><b id="2">Two</b><b id="3">Three</b></body></html>')
+
+
+class TestNextOperations(ProximityTest):
+
+ def setUp(self):
+ super(TestNextOperations, self).setUp()
+ self.start = self.tree.b
+
+ def test_next(self):
+ self.assertEqual(self.start.next_element, "One")
+ self.assertEqual(self.start.next_element.next_element['id'], "2")
+
+ def test_next_of_last_item_is_none(self):
+ last = self.tree.find(text="Three")
+ self.assertEqual(last.next_element, None)
+
+ def test_next_of_root_is_none(self):
+ # The document root is outside the next/previous chain.
+ self.assertEqual(self.tree.next_element, None)
+
+ def test_find_all_next(self):
+ self.assertSelects(self.start.find_all_next('b'), ["Two", "Three"])
+ self.start.find_all_next(id=3)
+ self.assertSelects(self.start.find_all_next(id=3), ["Three"])
+
+ def test_find_next(self):
+ self.assertEqual(self.start.find_next('b')['id'], '2')
+ self.assertEqual(self.start.find_next(text="Three"), "Three")
+
+ def test_find_next_for_text_element(self):
+ text = self.tree.find(text="One")
+ self.assertEqual(text.find_next("b").string, "Two")
+ self.assertSelects(text.find_all_next("b"), ["Two", "Three"])
+
+ def test_next_generator(self):
+ start = self.tree.find(text="Two")
+ successors = [node for node in start.next_elements]
+ # There are two successors: the final <b> tag and its text contents.
+ tag, contents = successors
+ self.assertEqual(tag['id'], '3')
+ self.assertEqual(contents, "Three")
+
+class TestPreviousOperations(ProximityTest):
+
+ def setUp(self):
+ super(TestPreviousOperations, self).setUp()
+ self.end = self.tree.find(text="Three")
+
+ def test_previous(self):
+ self.assertEqual(self.end.previous_element['id'], "3")
+ self.assertEqual(self.end.previous_element.previous_element, "Two")
+
+ def test_previous_of_first_item_is_none(self):
+ first = self.tree.find('html')
+ self.assertEqual(first.previous_element, None)
+
+ def test_previous_of_root_is_none(self):
+ # The document root is outside the next/previous chain.
+ # XXX This is broken!
+ #self.assertEqual(self.tree.previous_element, None)
+ pass
+
+ def test_find_all_previous(self):
+ # The <b> tag containing the "Three" node is the predecessor
+ # of the "Three" node itself, which is why "Three" shows up
+ # here.
+ self.assertSelects(
+ self.end.find_all_previous('b'), ["Three", "Two", "One"])
+ self.assertSelects(self.end.find_all_previous(id=1), ["One"])
+
+ def test_find_previous(self):
+ self.assertEqual(self.end.find_previous('b')['id'], '3')
+ self.assertEqual(self.end.find_previous(text="One"), "One")
+
+ def test_find_previous_for_text_element(self):
+ text = self.tree.find(text="Three")
+ self.assertEqual(text.find_previous("b").string, "Three")
+ self.assertSelects(
+ text.find_all_previous("b"), ["Three", "Two", "One"])
+
+ def test_previous_generator(self):
+ start = self.tree.find(text="One")
+ predecessors = [node for node in start.previous_elements]
+
+ # There are four predecessors: the <b> tag containing "One"
+ # the <body> tag, the <head> tag, and the <html> tag.
+ b, body, head, html = predecessors
+ self.assertEqual(b['id'], '1')
+ self.assertEqual(body.name, "body")
+ self.assertEqual(head.name, "head")
+ self.assertEqual(html.name, "html")
+
+
+class SiblingTest(TreeTest):
+
+ def setUp(self):
+ super(SiblingTest, self).setUp()
+ markup = '''<html>
+ <span id="1">
+ <span id="1.1"></span>
+ </span>
+ <span id="2">
+ <span id="2.1"></span>
+ </span>
+ <span id="3">
+ <span id="3.1"></span>
+ </span>
+ <span id="4"></span>
+ </html>'''
+ # All that whitespace looks good but makes the tests more
+ # difficult. Get rid of it.
+ markup = re.compile("\n\s*").sub("", markup)
+ self.tree = self.soup(markup)
+
+
+class TestNextSibling(SiblingTest):
+
+ def setUp(self):
+ super(TestNextSibling, self).setUp()
+ self.start = self.tree.find(id="1")
+
+ def test_next_sibling_of_root_is_none(self):
+ self.assertEqual(self.tree.next_sibling, None)
+
+ def test_next_sibling(self):
+ self.assertEqual(self.start.next_sibling['id'], '2')
+ self.assertEqual(self.start.next_sibling.next_sibling['id'], '3')
+
+ # Note the difference between next_sibling and next_element.
+ self.assertEqual(self.start.next_element['id'], '1.1')
+
+ def test_next_sibling_may_not_exist(self):
+ self.assertEqual(self.tree.html.next_sibling, None)
+
+ nested_span = self.tree.find(id="1.1")
+ self.assertEqual(nested_span.next_sibling, None)
+
+ last_span = self.tree.find(id="4")
+ self.assertEqual(last_span.next_sibling, None)
+
+ def test_find_next_sibling(self):
+ self.assertEqual(self.start.find_next_sibling('span')['id'], '2')
+
+ def test_next_siblings(self):
+ self.assertSelectsIDs(self.start.find_next_siblings("span"),
+ ['2', '3', '4'])
+
+ self.assertSelectsIDs(self.start.find_next_siblings(id='3'), ['3'])
+
+ def test_next_sibling_for_text_element(self):
+ soup = self.soup("Foo<b>bar</b>baz")
+ start = soup.find(text="Foo")
+ self.assertEqual(start.next_sibling.name, 'b')
+ self.assertEqual(start.next_sibling.next_sibling, 'baz')
+
+ self.assertSelects(start.find_next_siblings('b'), ['bar'])
+ self.assertEqual(start.find_next_sibling(text="baz"), "baz")
+ self.assertEqual(start.find_next_sibling(text="nonesuch"), None)
+
+
+class TestPreviousSibling(SiblingTest):
+
+ def setUp(self):
+ super(TestPreviousSibling, self).setUp()
+ self.end = self.tree.find(id="4")
+
+ def test_previous_sibling_of_root_is_none(self):
+ self.assertEqual(self.tree.previous_sibling, None)
+
+ def test_previous_sibling(self):
+ self.assertEqual(self.end.previous_sibling['id'], '3')
+ self.assertEqual(self.end.previous_sibling.previous_sibling['id'], '2')
+
+ # Note the difference between previous_sibling and previous_element.
+ self.assertEqual(self.end.previous_element['id'], '3.1')
+
+ def test_previous_sibling_may_not_exist(self):
+ self.assertEqual(self.tree.html.previous_sibling, None)
+
+ nested_span = self.tree.find(id="1.1")
+ self.assertEqual(nested_span.previous_sibling, None)
+
+ first_span = self.tree.find(id="1")
+ self.assertEqual(first_span.previous_sibling, None)
+
+ def test_find_previous_sibling(self):
+ self.assertEqual(self.end.find_previous_sibling('span')['id'], '3')
+
+ def test_previous_siblings(self):
+ self.assertSelectsIDs(self.end.find_previous_siblings("span"),
+ ['3', '2', '1'])
+
+ self.assertSelectsIDs(self.end.find_previous_siblings(id='1'), ['1'])
+
+ def test_previous_sibling_for_text_element(self):
+ soup = self.soup("Foo<b>bar</b>baz")
+ start = soup.find(text="baz")
+ self.assertEqual(start.previous_sibling.name, 'b')
+ self.assertEqual(start.previous_sibling.previous_sibling, 'Foo')
+
+ self.assertSelects(start.find_previous_siblings('b'), ['bar'])
+ self.assertEqual(start.find_previous_sibling(text="Foo"), "Foo")
+ self.assertEqual(start.find_previous_sibling(text="nonesuch"), None)
+
+
+class TestTagCreation(SoupTest):
+ """Test the ability to create new tags."""
+ def test_new_tag(self):
+ soup = self.soup("")
+ new_tag = soup.new_tag("foo", bar="baz")
+ self.assertTrue(isinstance(new_tag, Tag))
+ self.assertEqual("foo", new_tag.name)
+ self.assertEqual(dict(bar="baz"), new_tag.attrs)
+ self.assertEqual(None, new_tag.parent)
+
+ def test_tag_inherits_self_closing_rules_from_builder(self):
+ if XML_BUILDER_PRESENT:
+ xml_soup = BeautifulSoup("", "xml")
+ xml_br = xml_soup.new_tag("br")
+ xml_p = xml_soup.new_tag("p")
+
+ # Both the <br> and <p> tag are empty-element, just because
+ # they have no contents.
+ self.assertEqual(b"<br/>", xml_br.encode())
+ self.assertEqual(b"<p/>", xml_p.encode())
+
+ html_soup = BeautifulSoup("", "html")
+ html_br = html_soup.new_tag("br")
+ html_p = html_soup.new_tag("p")
+
+ # The HTML builder users HTML's rules about which tags are
+ # empty-element tags, and the new tags reflect these rules.
+ self.assertEqual(b"<br/>", html_br.encode())
+ self.assertEqual(b"<p></p>", html_p.encode())
+
+ def test_new_string_creates_navigablestring(self):
+ soup = self.soup("")
+ s = soup.new_string("foo")
+ self.assertEqual("foo", s)
+ self.assertTrue(isinstance(s, NavigableString))
+
+ def test_new_string_can_create_navigablestring_subclass(self):
+ soup = self.soup("")
+ s = soup.new_string("foo", Comment)
+ self.assertEqual("foo", s)
+ self.assertTrue(isinstance(s, Comment))
+
+class TestTreeModification(SoupTest):
+
+ def test_attribute_modification(self):
+ soup = self.soup('<a id="1"></a>')
+ soup.a['id'] = 2
+ self.assertEqual(soup.decode(), self.document_for('<a id="2"></a>'))
+ del(soup.a['id'])
+ self.assertEqual(soup.decode(), self.document_for('<a></a>'))
+ soup.a['id2'] = 'foo'
+ self.assertEqual(soup.decode(), self.document_for('<a id2="foo"></a>'))
+
+ def test_new_tag_creation(self):
+ builder = builder_registry.lookup('html')()
+ soup = self.soup("<body></body>", builder=builder)
+ a = Tag(soup, builder, 'a')
+ ol = Tag(soup, builder, 'ol')
+ a['href'] = 'http://foo.com/'
+ soup.body.insert(0, a)
+ soup.body.insert(1, ol)
+ self.assertEqual(
+ soup.body.encode(),
+ b'<body><a href="http://foo.com/"></a><ol></ol></body>')
+
+ def test_append_to_contents_moves_tag(self):
+ doc = """<p id="1">Don't leave me <b>here</b>.</p>
+ <p id="2">Don\'t leave!</p>"""
+ soup = self.soup(doc)
+ second_para = soup.find(id='2')
+ bold = soup.b
+
+ # Move the <b> tag to the end of the second paragraph.
+ soup.find(id='2').append(soup.b)
+
+ # The <b> tag is now a child of the second paragraph.
+ self.assertEqual(bold.parent, second_para)
+
+ self.assertEqual(
+ soup.decode(), self.document_for(
+ '<p id="1">Don\'t leave me .</p>\n'
+ '<p id="2">Don\'t leave!<b>here</b></p>'))
+
+ def test_replace_with_returns_thing_that_was_replaced(self):
+ text = "<a></a><b><c></c></b>"
+ soup = self.soup(text)
+ a = soup.a
+ new_a = a.replace_with(soup.c)
+ self.assertEqual(a, new_a)
+
+ def test_unwrap_returns_thing_that_was_replaced(self):
+ text = "<a><b></b><c></c></a>"
+ soup = self.soup(text)
+ a = soup.a
+ new_a = a.unwrap()
+ self.assertEqual(a, new_a)
+
+ def test_replace_tag_with_itself(self):
+ text = "<a><b></b><c>Foo<d></d></c></a><a><e></e></a>"
+ soup = self.soup(text)
+ c = soup.c
+ soup.c.replace_with(c)
+ self.assertEqual(soup.decode(), self.document_for(text))
+
+ def test_replace_tag_with_its_parent_raises_exception(self):
+ text = "<a><b></b></a>"
+ soup = self.soup(text)
+ self.assertRaises(ValueError, soup.b.replace_with, soup.a)
+
+ def test_insert_tag_into_itself_raises_exception(self):
+ text = "<a><b></b></a>"
+ soup = self.soup(text)
+ self.assertRaises(ValueError, soup.a.insert, 0, soup.a)
+
+ def test_replace_with_maintains_next_element_throughout(self):
+ soup = self.soup('<p><a>one</a><b>three</b></p>')
+ a = soup.a
+ b = a.contents[0]
+ # Make it so the <a> tag has two text children.
+ a.insert(1, "two")
+
+ # Now replace each one with the empty string.
+ left, right = a.contents
+ left.replaceWith('')
+ right.replaceWith('')
+
+ # The <b> tag is still connected to the tree.
+ self.assertEqual("three", soup.b.string)
+
+ def test_replace_final_node(self):
+ soup = self.soup("<b>Argh!</b>")
+ soup.find(text="Argh!").replace_with("Hooray!")
+ new_text = soup.find(text="Hooray!")
+ b = soup.b
+ self.assertEqual(new_text.previous_element, b)
+ self.assertEqual(new_text.parent, b)
+ self.assertEqual(new_text.previous_element.next_element, new_text)
+ self.assertEqual(new_text.next_element, None)
+
+ def test_consecutive_text_nodes(self):
+ # A builder should never create two consecutive text nodes,
+ # but if you insert one next to another, Beautiful Soup will
+ # handle it correctly.
+ soup = self.soup("<a><b>Argh!</b><c></c></a>")
+ soup.b.insert(1, "Hooray!")
+
+ self.assertEqual(
+ soup.decode(), self.document_for(
+ "<a><b>Argh!Hooray!</b><c></c></a>"))
+
+ new_text = soup.find(text="Hooray!")
+ self.assertEqual(new_text.previous_element, "Argh!")
+ self.assertEqual(new_text.previous_element.next_element, new_text)
+
+ self.assertEqual(new_text.previous_sibling, "Argh!")
+ self.assertEqual(new_text.previous_sibling.next_sibling, new_text)
+
+ self.assertEqual(new_text.next_sibling, None)
+ self.assertEqual(new_text.next_element, soup.c)
+
+ def test_insert_string(self):
+ soup = self.soup("<a></a>")
+ soup.a.insert(0, "bar")
+ soup.a.insert(0, "foo")
+ # The string were added to the tag.
+ self.assertEqual(["foo", "bar"], soup.a.contents)
+ # And they were converted to NavigableStrings.
+ self.assertEqual(soup.a.contents[0].next_element, "bar")
+
+ def test_insert_tag(self):
+ builder = self.default_builder
+ soup = self.soup(
+ "<a><b>Find</b><c>lady!</c><d></d></a>", builder=builder)
+ magic_tag = Tag(soup, builder, 'magictag')
+ magic_tag.insert(0, "the")
+ soup.a.insert(1, magic_tag)
+
+ self.assertEqual(
+ soup.decode(), self.document_for(
+ "<a><b>Find</b><magictag>the</magictag><c>lady!</c><d></d></a>"))
+
+ # Make sure all the relationships are hooked up correctly.
+ b_tag = soup.b
+ self.assertEqual(b_tag.next_sibling, magic_tag)
+ self.assertEqual(magic_tag.previous_sibling, b_tag)
+
+ find = b_tag.find(text="Find")
+ self.assertEqual(find.next_element, magic_tag)
+ self.assertEqual(magic_tag.previous_element, find)
+
+ c_tag = soup.c
+ self.assertEqual(magic_tag.next_sibling, c_tag)
+ self.assertEqual(c_tag.previous_sibling, magic_tag)
+
+ the = magic_tag.find(text="the")
+ self.assertEqual(the.parent, magic_tag)
+ self.assertEqual(the.next_element, c_tag)
+ self.assertEqual(c_tag.previous_element, the)
+
+ def test_append_child_thats_already_at_the_end(self):
+ data = "<a><b></b></a>"
+ soup = self.soup(data)
+ soup.a.append(soup.b)
+ self.assertEqual(data, soup.decode())
+
+ def test_move_tag_to_beginning_of_parent(self):
+ data = "<a><b></b><c></c><d></d></a>"
+ soup = self.soup(data)
+ soup.a.insert(0, soup.d)
+ self.assertEqual("<a><d></d><b></b><c></c></a>", soup.decode())
+
+ def test_insert_works_on_empty_element_tag(self):
+ # This is a little strange, since most HTML parsers don't allow
+ # markup like this to come through. But in general, we don't
+ # know what the parser would or wouldn't have allowed, so
+ # I'm letting this succeed for now.
+ soup = self.soup("<br/>")
+ soup.br.insert(1, "Contents")
+ self.assertEqual(str(soup.br), "<br>Contents</br>")
+
+ def test_insert_before(self):
+ soup = self.soup("<a>foo</a><b>bar</b>")
+ soup.b.insert_before("BAZ")
+ soup.a.insert_before("QUUX")
+ self.assertEqual(
+ soup.decode(), self.document_for("QUUX<a>foo</a>BAZ<b>bar</b>"))
+
+ soup.a.insert_before(soup.b)
+ self.assertEqual(
+ soup.decode(), self.document_for("QUUX<b>bar</b><a>foo</a>BAZ"))
+
+ def test_insert_after(self):
+ soup = self.soup("<a>foo</a><b>bar</b>")
+ soup.b.insert_after("BAZ")
+ soup.a.insert_after("QUUX")
+ self.assertEqual(
+ soup.decode(), self.document_for("<a>foo</a>QUUX<b>bar</b>BAZ"))
+ soup.b.insert_after(soup.a)
+ self.assertEqual(
+ soup.decode(), self.document_for("QUUX<b>bar</b><a>foo</a>BAZ"))
+
+ def test_insert_after_raises_exception_if_after_has_no_meaning(self):
+ soup = self.soup("")
+ tag = soup.new_tag("a")
+ string = soup.new_string("")
+ self.assertRaises(ValueError, string.insert_after, tag)
+ self.assertRaises(NotImplementedError, soup.insert_after, tag)
+ self.assertRaises(ValueError, tag.insert_after, tag)
+
+ def test_insert_before_raises_notimplementederror_if_before_has_no_meaning(self):
+ soup = self.soup("")
+ tag = soup.new_tag("a")
+ string = soup.new_string("")
+ self.assertRaises(ValueError, string.insert_before, tag)
+ self.assertRaises(NotImplementedError, soup.insert_before, tag)
+ self.assertRaises(ValueError, tag.insert_before, tag)
+
+ def test_replace_with(self):
+ soup = self.soup(
+ "<p>There's <b>no</b> business like <b>show</b> business</p>")
+ no, show = soup.find_all('b')
+ show.replace_with(no)
+ self.assertEqual(
+ soup.decode(),
+ self.document_for(
+ "<p>There's business like <b>no</b> business</p>"))
+
+ self.assertEqual(show.parent, None)
+ self.assertEqual(no.parent, soup.p)
+ self.assertEqual(no.next_element, "no")
+ self.assertEqual(no.next_sibling, " business")
+
+ def test_replace_first_child(self):
+ data = "<a><b></b><c></c></a>"
+ soup = self.soup(data)
+ soup.b.replace_with(soup.c)
+ self.assertEqual("<a><c></c></a>", soup.decode())
+
+ def test_replace_last_child(self):
+ data = "<a><b></b><c></c></a>"
+ soup = self.soup(data)
+ soup.c.replace_with(soup.b)
+ self.assertEqual("<a><b></b></a>", soup.decode())
+
+ def test_nested_tag_replace_with(self):
+ soup = self.soup(
+ """<a>We<b>reserve<c>the</c><d>right</d></b></a><e>to<f>refuse</f><g>service</g></e>""")
+
+ # Replace the entire <b> tag and its contents ("reserve the
+ # right") with the <f> tag ("refuse").
+ remove_tag = soup.b
+ move_tag = soup.f
+ remove_tag.replace_with(move_tag)
+
+ self.assertEqual(
+ soup.decode(), self.document_for(
+ "<a>We<f>refuse</f></a><e>to<g>service</g></e>"))
+
+ # The <b> tag is now an orphan.
+ self.assertEqual(remove_tag.parent, None)
+ self.assertEqual(remove_tag.find(text="right").next_element, None)
+ self.assertEqual(remove_tag.previous_element, None)
+ self.assertEqual(remove_tag.next_sibling, None)
+ self.assertEqual(remove_tag.previous_sibling, None)
+
+ # The <f> tag is now connected to the <a> tag.
+ self.assertEqual(move_tag.parent, soup.a)
+ self.assertEqual(move_tag.previous_element, "We")
+ self.assertEqual(move_tag.next_element.next_element, soup.e)
+ self.assertEqual(move_tag.next_sibling, None)
+
+ # The gap where the <f> tag used to be has been mended, and
+ # the word "to" is now connected to the <g> tag.
+ to_text = soup.find(text="to")
+ g_tag = soup.g
+ self.assertEqual(to_text.next_element, g_tag)
+ self.assertEqual(to_text.next_sibling, g_tag)
+ self.assertEqual(g_tag.previous_element, to_text)
+ self.assertEqual(g_tag.previous_sibling, to_text)
+
+ def test_unwrap(self):
+ tree = self.soup("""
+ <p>Unneeded <em>formatting</em> is unneeded</p>
+ """)
+ tree.em.unwrap()
+ self.assertEqual(tree.em, None)
+ self.assertEqual(tree.p.text, "Unneeded formatting is unneeded")
+
+ def test_wrap(self):
+ soup = self.soup("I wish I was bold.")
+ value = soup.string.wrap(soup.new_tag("b"))
+ self.assertEqual(value.decode(), "<b>I wish I was bold.</b>")
+ self.assertEqual(
+ soup.decode(), self.document_for("<b>I wish I was bold.</b>"))
+
+ def test_wrap_extracts_tag_from_elsewhere(self):
+ soup = self.soup("<b></b>I wish I was bold.")
+ soup.b.next_sibling.wrap(soup.b)
+ self.assertEqual(
+ soup.decode(), self.document_for("<b>I wish I was bold.</b>"))
+
+ def test_wrap_puts_new_contents_at_the_end(self):
+ soup = self.soup("<b>I like being bold.</b>I wish I was bold.")
+ soup.b.next_sibling.wrap(soup.b)
+ self.assertEqual(2, len(soup.b.contents))
+ self.assertEqual(
+ soup.decode(), self.document_for(
+ "<b>I like being bold.I wish I was bold.</b>"))
+
+ def test_extract(self):
+ soup = self.soup(
+ '<html><body>Some content. <div id="nav">Nav crap</div> More content.</body></html>')
+
+ self.assertEqual(len(soup.body.contents), 3)
+ extracted = soup.find(id="nav").extract()
+
+ self.assertEqual(
+ soup.decode(), "<html><body>Some content. More content.</body></html>")
+ self.assertEqual(extracted.decode(), '<div id="nav">Nav crap</div>')
+
+ # The extracted tag is now an orphan.
+ self.assertEqual(len(soup.body.contents), 2)
+ self.assertEqual(extracted.parent, None)
+ self.assertEqual(extracted.previous_element, None)
+ self.assertEqual(extracted.next_element.next_element, None)
+
+ # The gap where the extracted tag used to be has been mended.
+ content_1 = soup.find(text="Some content. ")
+ content_2 = soup.find(text=" More content.")
+ self.assertEqual(content_1.next_element, content_2)
+ self.assertEqual(content_1.next_sibling, content_2)
+ self.assertEqual(content_2.previous_element, content_1)
+ self.assertEqual(content_2.previous_sibling, content_1)
+
+ def test_extract_distinguishes_between_identical_strings(self):
+ soup = self.soup("<a>foo</a><b>bar</b>")
+ foo_1 = soup.a.string
+ bar_1 = soup.b.string
+ foo_2 = soup.new_string("foo")
+ bar_2 = soup.new_string("bar")
+ soup.a.append(foo_2)
+ soup.b.append(bar_2)
+
+ # Now there are two identical strings in the <a> tag, and two
+ # in the <b> tag. Let's remove the first "foo" and the second
+ # "bar".
+ foo_1.extract()
+ bar_2.extract()
+ self.assertEqual(foo_2, soup.a.string)
+ self.assertEqual(bar_2, soup.b.string)
+
+ def test_clear(self):
+ """Tag.clear()"""
+ soup = self.soup("<p><a>String <em>Italicized</em></a> and another</p>")
+ # clear using extract()
+ a = soup.a
+ soup.p.clear()
+ self.assertEqual(len(soup.p.contents), 0)
+ self.assertTrue(hasattr(a, "contents"))
+
+ # clear using decompose()
+ em = a.em
+ a.clear(decompose=True)
+ self.assertEqual(0, len(em.contents))
+
+ def test_string_set(self):
+ """Tag.string = 'string'"""
+ soup = self.soup("<a></a> <b><c></c></b>")
+ soup.a.string = "foo"
+ self.assertEqual(soup.a.contents, ["foo"])
+ soup.b.string = "bar"
+ self.assertEqual(soup.b.contents, ["bar"])
+
+ def test_string_set_does_not_affect_original_string(self):
+ soup = self.soup("<a><b>foo</b><c>bar</c>")
+ soup.b.string = soup.c.string
+ self.assertEqual(soup.a.encode(), b"<a><b>bar</b><c>bar</c></a>")
+
+ def test_set_string_preserves_class_of_string(self):
+ soup = self.soup("<a></a>")
+ cdata = CData("foo")
+ soup.a.string = cdata
+ self.assertTrue(isinstance(soup.a.string, CData))
+
+class TestElementObjects(SoupTest):
+ """Test various features of element objects."""
+
+ def test_len(self):
+ """The length of an element is its number of children."""
+ soup = self.soup("<top>1<b>2</b>3</top>")
+
+ # The BeautifulSoup object itself contains one element: the
+ # <top> tag.
+ self.assertEqual(len(soup.contents), 1)
+ self.assertEqual(len(soup), 1)
+
+ # The <top> tag contains three elements: the text node "1", the
+ # <b> tag, and the text node "3".
+ self.assertEqual(len(soup.top), 3)
+ self.assertEqual(len(soup.top.contents), 3)
+
+ def test_member_access_invokes_find(self):
+ """Accessing a Python member .foo invokes find('foo')"""
+ soup = self.soup('<b><i></i></b>')
+ self.assertEqual(soup.b, soup.find('b'))
+ self.assertEqual(soup.b.i, soup.find('b').find('i'))
+ self.assertEqual(soup.a, None)
+
+ def test_deprecated_member_access(self):
+ soup = self.soup('<b><i></i></b>')
+ with warnings.catch_warnings(record=True) as w:
+ tag = soup.bTag
+ self.assertEqual(soup.b, tag)
+ self.assertEqual(
+ '.bTag is deprecated, use .find("b") instead.',
+ str(w[0].message))
+
+ def test_has_attr(self):
+ """has_attr() checks for the presence of an attribute.
+
+ Please note note: has_attr() is different from
+ __in__. has_attr() checks the tag's attributes and __in__
+ checks the tag's chidlren.
+ """
+ soup = self.soup("<foo attr='bar'>")
+ self.assertTrue(soup.foo.has_attr('attr'))
+ self.assertFalse(soup.foo.has_attr('attr2'))
+
+
+ def test_attributes_come_out_in_alphabetical_order(self):
+ markup = '<b a="1" z="5" m="3" f="2" y="4"></b>'
+ self.assertSoupEquals(markup, '<b a="1" f="2" m="3" y="4" z="5"></b>')
+
+ def test_string(self):
+ # A tag that contains only a text node makes that node
+ # available as .string.
+ soup = self.soup("<b>foo</b>")
+ self.assertEqual(soup.b.string, 'foo')
+
+ def test_empty_tag_has_no_string(self):
+ # A tag with no children has no .stirng.
+ soup = self.soup("<b></b>")
+ self.assertEqual(soup.b.string, None)
+
+ def test_tag_with_multiple_children_has_no_string(self):
+ # A tag with no children has no .string.
+ soup = self.soup("<a>foo<b></b><b></b></b>")
+ self.assertEqual(soup.b.string, None)
+
+ soup = self.soup("<a>foo<b></b>bar</b>")
+ self.assertEqual(soup.b.string, None)
+
+ # Even if all the children are strings, due to trickery,
+ # it won't work--but this would be a good optimization.
+ soup = self.soup("<a>foo</b>")
+ soup.a.insert(1, "bar")
+ self.assertEqual(soup.a.string, None)
+
+ def test_tag_with_recursive_string_has_string(self):
+ # A tag with a single child which has a .string inherits that
+ # .string.
+ soup = self.soup("<a><b>foo</b></a>")
+ self.assertEqual(soup.a.string, "foo")
+ self.assertEqual(soup.string, "foo")
+
+ def test_lack_of_string(self):
+ """Only a tag containing a single text node has a .string."""
+ soup = self.soup("<b>f<i>e</i>o</b>")
+ self.assertFalse(soup.b.string)
+
+ soup = self.soup("<b></b>")
+ self.assertFalse(soup.b.string)
+
+ def test_all_text(self):
+ """Tag.text and Tag.get_text(sep=u"") -> all child text, concatenated"""
+ soup = self.soup("<a>a<b>r</b> <r> t </r></a>")
+ self.assertEqual(soup.a.text, "ar t ")
+ self.assertEqual(soup.a.get_text(strip=True), "art")
+ self.assertEqual(soup.a.get_text(","), "a,r, , t ")
+ self.assertEqual(soup.a.get_text(",", strip=True), "a,r,t")
+
+ def test_get_text_ignores_comments(self):
+ soup = self.soup("foo<!--IGNORE-->bar")
+ self.assertEqual(soup.get_text(), "foobar")
+
+ self.assertEqual(
+ soup.get_text(types=(NavigableString, Comment)), "fooIGNOREbar")
+ self.assertEqual(
+ soup.get_text(types=None), "fooIGNOREbar")
+
+ def test_all_strings_ignores_comments(self):
+ soup = self.soup("foo<!--IGNORE-->bar")
+ self.assertEqual(['foo', 'bar'], list(soup.strings))
+
+class TestCDAtaListAttributes(SoupTest):
+
+ """Testing cdata-list attributes like 'class'.
+ """
+ def test_single_value_becomes_list(self):
+ soup = self.soup("<a class='foo'>")
+ self.assertEqual(["foo"],soup.a['class'])
+
+ def test_multiple_values_becomes_list(self):
+ soup = self.soup("<a class='foo bar'>")
+ self.assertEqual(["foo", "bar"], soup.a['class'])
+
+ def test_multiple_values_separated_by_weird_whitespace(self):
+ soup = self.soup("<a class='foo\tbar\nbaz'>")
+ self.assertEqual(["foo", "bar", "baz"],soup.a['class'])
+
+ def test_attributes_joined_into_string_on_output(self):
+ soup = self.soup("<a class='foo\tbar'>")
+ self.assertEqual(b'<a class="foo bar"></a>', soup.a.encode())
+
+ def test_accept_charset(self):
+ soup = self.soup('<form accept-charset="ISO-8859-1 UTF-8">')
+ self.assertEqual(['ISO-8859-1', 'UTF-8'], soup.form['accept-charset'])
+
+ def test_cdata_attribute_applying_only_to_one_tag(self):
+ data = '<a accept-charset="ISO-8859-1 UTF-8"></a>'
+ soup = self.soup(data)
+ # We saw in another test that accept-charset is a cdata-list
+ # attribute for the <form> tag. But it's not a cdata-list
+ # attribute for any other tag.
+ self.assertEqual('ISO-8859-1 UTF-8', soup.a['accept-charset'])
+
+ def test_string_has_immutable_name_property(self):
+ string = self.soup("s").string
+ self.assertEqual(None, string.name)
+ def t():
+ string.name = 'foo'
+ self.assertRaises(AttributeError, t)
+
+class TestPersistence(SoupTest):
+ "Testing features like pickle and deepcopy."
+
+ def setUp(self):
+ super(TestPersistence, self).setUp()
+ self.page = """<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"
+"http://www.w3.org/TR/REC-html40/transitional.dtd">
+<html>
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+<title>Beautiful Soup: We called him Tortoise because he taught us.</title>
+<link rev="made" href="mailto:leonardr@segfault.org">
+<meta name="Description" content="Beautiful Soup: an HTML parser optimized for screen-scraping.">
+<meta name="generator" content="Markov Approximation 1.4 (module: leonardr)">
+<meta name="author" content="Leonard Richardson">
+</head>
+<body>
+<a href="foo">foo</a>
+<a href="foo"><b>bar</b></a>
+</body>
+</html>"""
+ self.tree = self.soup(self.page)
+
+ def test_pickle_and_unpickle_identity(self):
+ # Pickling a tree, then unpickling it, yields a tree identical
+ # to the original.
+ dumped = pickle.dumps(self.tree, 2)
+ loaded = pickle.loads(dumped)
+ self.assertEqual(loaded.__class__, BeautifulSoup)
+ self.assertEqual(loaded.decode(), self.tree.decode())
+
+ def test_deepcopy_identity(self):
+ # Making a deepcopy of a tree yields an identical tree.
+ copied = copy.deepcopy(self.tree)
+ self.assertEqual(copied.decode(), self.tree.decode())
+
+ def test_unicode_pickle(self):
+ # A tree containing Unicode characters can be pickled.
+ html = u"<b>\N{SNOWMAN}</b>"
+ soup = self.soup(html)
+ dumped = pickle.dumps(soup, pickle.HIGHEST_PROTOCOL)
+ loaded = pickle.loads(dumped)
+ self.assertEqual(loaded.decode(), soup.decode())
+
+
+class TestSubstitutions(SoupTest):
+
+ def test_default_formatter_is_minimal(self):
+ markup = u"<b><<Sacr\N{LATIN SMALL LETTER E WITH ACUTE} bleu!>></b>"
+ soup = self.soup(markup)
+ decoded = soup.decode(formatter="minimal")
+ # The < is converted back into < but the e-with-acute is left alone.
+ self.assertEqual(
+ decoded,
+ self.document_for(
+ u"<b><<Sacr\N{LATIN SMALL LETTER E WITH ACUTE} bleu!>></b>"))
+
+ def test_formatter_html(self):
+ markup = u"<b><<Sacr\N{LATIN SMALL LETTER E WITH ACUTE} bleu!>></b>"
+ soup = self.soup(markup)
+ decoded = soup.decode(formatter="html")
+ self.assertEqual(
+ decoded,
+ self.document_for("<b><<Sacré bleu!>></b>"))
+
+ def test_formatter_minimal(self):
+ markup = u"<b><<Sacr\N{LATIN SMALL LETTER E WITH ACUTE} bleu!>></b>"
+ soup = self.soup(markup)
+ decoded = soup.decode(formatter="minimal")
+ # The < is converted back into < but the e-with-acute is left alone.
+ self.assertEqual(
+ decoded,
+ self.document_for(
+ u"<b><<Sacr\N{LATIN SMALL LETTER E WITH ACUTE} bleu!>></b>"))
+
+ def test_formatter_null(self):
+ markup = u"<b><<Sacr\N{LATIN SMALL LETTER E WITH ACUTE} bleu!>></b>"
+ soup = self.soup(markup)
+ decoded = soup.decode(formatter=None)
+ # Neither the angle brackets nor the e-with-acute are converted.
+ # This is not valid HTML, but it's what the user wanted.
+ self.assertEqual(decoded,
+ self.document_for(u"<b><<Sacr\N{LATIN SMALL LETTER E WITH ACUTE} bleu!>></b>"))
+
+ def test_formatter_custom(self):
+ markup = u"<b><foo></b><b>bar</b>"
+ soup = self.soup(markup)
+ decoded = soup.decode(formatter = lambda x: x.upper())
+ # Instead of normal entity conversion code, the custom
+ # callable is called on every string.
+ self.assertEqual(
+ decoded,
+ self.document_for(u"<b><FOO></b><b>BAR</b>"))
+
+ def test_formatter_is_run_on_attribute_values(self):
+ markup = u'<a href="http://a.com?a=b&c=é">e</a>'
+ soup = self.soup(markup)
+ a = soup.a
+
+ expect_minimal = u'<a href="http://a.com?a=b&c=é">e</a>'
+
+ self.assertEqual(expect_minimal, a.decode())
+ self.assertEqual(expect_minimal, a.decode(formatter="minimal"))
+
+ expect_html = u'<a href="http://a.com?a=b&c=é">e</a>'
+ self.assertEqual(expect_html, a.decode(formatter="html"))
+
+ self.assertEqual(markup, a.decode(formatter=None))
+ expect_upper = u'<a href="HTTP://A.COM?A=B&C=É">E</a>'
+ self.assertEqual(expect_upper, a.decode(formatter=lambda x: x.upper()))
+
+ def test_formatter_skips_script_tag_for_html_documents(self):
+ doc = """
+ <script type="text/javascript">
+ console.log("< < hey > > ");
+ </script>
+"""
+ encoded = BeautifulSoup(doc).encode()
+ self.assertTrue(b"< < hey > >" in encoded)
+
+ def test_formatter_skips_style_tag_for_html_documents(self):
+ doc = """
+ <style type="text/css">
+ console.log("< < hey > > ");
+ </style>
+"""
+ encoded = BeautifulSoup(doc).encode()
+ self.assertTrue(b"< < hey > >" in encoded)
+
+ def test_prettify_leaves_preformatted_text_alone(self):
+ soup = self.soup("<div> foo <pre> \tbar\n \n </pre> baz ")
+ # Everything outside the <pre> tag is reformatted, but everything
+ # inside is left alone.
+ self.assertEqual(
+ u'<div>\n foo\n <pre> \tbar\n \n </pre>\n baz\n</div>',
+ soup.div.prettify())
+
+ def test_prettify_accepts_formatter(self):
+ soup = BeautifulSoup("<html><body>foo</body></html>")
+ pretty = soup.prettify(formatter = lambda x: x.upper())
+ self.assertTrue("FOO" in pretty)
+
+ def test_prettify_outputs_unicode_by_default(self):
+ soup = self.soup("<a></a>")
+ self.assertEqual(unicode, type(soup.prettify()))
+
+ def test_prettify_can_encode_data(self):
+ soup = self.soup("<a></a>")
+ self.assertEqual(bytes, type(soup.prettify("utf-8")))
+
+ def test_html_entity_substitution_off_by_default(self):
+ markup = u"<b>Sacr\N{LATIN SMALL LETTER E WITH ACUTE} bleu!</b>"
+ soup = self.soup(markup)
+ encoded = soup.b.encode("utf-8")
+ self.assertEqual(encoded, markup.encode('utf-8'))
+
+ def test_encoding_substitution(self):
+ # Here's the <meta> tag saying that a document is
+ # encoded in Shift-JIS.
+ meta_tag = ('<meta content="text/html; charset=x-sjis" '
+ 'http-equiv="Content-type"/>')
+ soup = self.soup(meta_tag)
+
+ # Parse the document, and the charset apprears unchanged.
+ self.assertEqual(soup.meta['content'], 'text/html; charset=x-sjis')
+
+ # Encode the document into some encoding, and the encoding is
+ # substituted into the meta tag.
+ utf_8 = soup.encode("utf-8")
+ self.assertTrue(b"charset=utf-8" in utf_8)
+
+ euc_jp = soup.encode("euc_jp")
+ self.assertTrue(b"charset=euc_jp" in euc_jp)
+
+ shift_jis = soup.encode("shift-jis")
+ self.assertTrue(b"charset=shift-jis" in shift_jis)
+
+ utf_16_u = soup.encode("utf-16").decode("utf-16")
+ self.assertTrue("charset=utf-16" in utf_16_u)
+
+ def test_encoding_substitution_doesnt_happen_if_tag_is_strained(self):
+ markup = ('<head><meta content="text/html; charset=x-sjis" '
+ 'http-equiv="Content-type"/></head><pre>foo</pre>')
+
+ # Beautiful Soup used to try to rewrite the meta tag even if the
+ # meta tag got filtered out by the strainer. This test makes
+ # sure that doesn't happen.
+ strainer = SoupStrainer('pre')
+ soup = self.soup(markup, parse_only=strainer)
+ self.assertEqual(soup.contents[0].name, 'pre')
+
+class TestEncoding(SoupTest):
+ """Test the ability to encode objects into strings."""
+
+ def test_unicode_string_can_be_encoded(self):
+ html = u"<b>\N{SNOWMAN}</b>"
+ soup = self.soup(html)
+ self.assertEqual(soup.b.string.encode("utf-8"),
+ u"\N{SNOWMAN}".encode("utf-8"))
+
+ def test_tag_containing_unicode_string_can_be_encoded(self):
+ html = u"<b>\N{SNOWMAN}</b>"
+ soup = self.soup(html)
+ self.assertEqual(
+ soup.b.encode("utf-8"), html.encode("utf-8"))
+
+ def test_encoding_substitutes_unrecognized_characters_by_default(self):
+ html = u"<b>\N{SNOWMAN}</b>"
+ soup = self.soup(html)
+ self.assertEqual(soup.b.encode("ascii"), b"<b>☃</b>")
+
+ def test_encoding_can_be_made_strict(self):
+ html = u"<b>\N{SNOWMAN}</b>"
+ soup = self.soup(html)
+ self.assertRaises(
+ UnicodeEncodeError, soup.encode, "ascii", errors="strict")
+
+ def test_decode_contents(self):
+ html = u"<b>\N{SNOWMAN}</b>"
+ soup = self.soup(html)
+ self.assertEqual(u"\N{SNOWMAN}", soup.b.decode_contents())
+
+ def test_encode_contents(self):
+ html = u"<b>\N{SNOWMAN}</b>"
+ soup = self.soup(html)
+ self.assertEqual(
+ u"\N{SNOWMAN}".encode("utf8"), soup.b.encode_contents(
+ encoding="utf8"))
+
+ def test_deprecated_renderContents(self):
+ html = u"<b>\N{SNOWMAN}</b>"
+ soup = self.soup(html)
+ self.assertEqual(
+ u"\N{SNOWMAN}".encode("utf8"), soup.b.renderContents())
+
+class TestNavigableStringSubclasses(SoupTest):
+
+ def test_cdata(self):
+ # None of the current builders turn CDATA sections into CData
+ # objects, but you can create them manually.
+ soup = self.soup("")
+ cdata = CData("foo")
+ soup.insert(1, cdata)
+ self.assertEqual(str(soup), "<![CDATA[foo]]>")
+ self.assertEqual(soup.find(text="foo"), "foo")
+ self.assertEqual(soup.contents[0], "foo")
+
+ def test_cdata_is_never_formatted(self):
+ """Text inside a CData object is passed into the formatter.
+
+ But the return value is ignored.
+ """
+
+ self.count = 0
+ def increment(*args):
+ self.count += 1
+ return "BITTER FAILURE"
+
+ soup = self.soup("")
+ cdata = CData("<><><>")
+ soup.insert(1, cdata)
+ self.assertEqual(
+ b"<![CDATA[<><><>]]>", soup.encode(formatter=increment))
+ self.assertEqual(1, self.count)
+
+ def test_doctype_ends_in_newline(self):
+ # Unlike other NavigableString subclasses, a DOCTYPE always ends
+ # in a newline.
+ doctype = Doctype("foo")
+ soup = self.soup("")
+ soup.insert(1, doctype)
+ self.assertEqual(soup.encode(), b"<!DOCTYPE foo>\n")
+
+
+class TestSoupSelector(TreeTest):
+
+ HTML = """
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
+"http://www.w3.org/TR/html4/strict.dtd">
+<html>
+<head>
+<title>The title</title>
+<link rel="stylesheet" href="blah.css" type="text/css" id="l1">
+</head>
+<body>
+
+<div id="main" class="fancy">
+<div id="inner">
+<h1 id="header1">An H1</h1>
+<p>Some text</p>
+<p class="onep" id="p1">Some more text</p>
+<h2 id="header2">An H2</h2>
+<p class="class1 class2 class3" id="pmulti">Another</p>
+<a href="http://bob.example.org/" rel="friend met" id="bob">Bob</a>
+<h2 id="header3">Another H2</h2>
+<a id="me" href="http://simonwillison.net/" rel="me">me</a>
+<span class="s1">
+<a href="#" id="s1a1">span1a1</a>
+<a href="#" id="s1a2">span1a2 <span id="s1a2s1">test</span></a>
+<span class="span2">
+<a href="#" id="s2a1">span2a1</a>
+</span>
+<span class="span3"></span>
+</span>
+</div>
+<p lang="en" id="lang-en">English</p>
+<p lang="en-gb" id="lang-en-gb">English UK</p>
+<p lang="en-us" id="lang-en-us">English US</p>
+<p lang="fr" id="lang-fr">French</p>
+</div>
+
+<div id="footer">
+</div>
+"""
+
+ def setUp(self):
+ self.soup = BeautifulSoup(self.HTML)
+
+ def assertSelects(self, selector, expected_ids):
+ el_ids = [el['id'] for el in self.soup.select(selector)]
+ el_ids.sort()
+ expected_ids.sort()
+ self.assertEqual(expected_ids, el_ids,
+ "Selector %s, expected [%s], got [%s]" % (
+ selector, ', '.join(expected_ids), ', '.join(el_ids)
+ )
+ )
+
+ assertSelect = assertSelects
+
+ def assertSelectMultiple(self, *tests):
+ for selector, expected_ids in tests:
+ self.assertSelect(selector, expected_ids)
+
+ def test_one_tag_one(self):
+ els = self.soup.select('title')
+ self.assertEqual(len(els), 1)
+ self.assertEqual(els[0].name, 'title')
+ self.assertEqual(els[0].contents, [u'The title'])
+
+ def test_one_tag_many(self):
+ els = self.soup.select('div')
+ self.assertEqual(len(els), 3)
+ for div in els:
+ self.assertEqual(div.name, 'div')
+
+ def test_tag_in_tag_one(self):
+ els = self.soup.select('div div')
+ self.assertSelects('div div', ['inner'])
+
+ def test_tag_in_tag_many(self):
+ for selector in ('html div', 'html body div', 'body div'):
+ self.assertSelects(selector, ['main', 'inner', 'footer'])
+
+ def test_tag_no_match(self):
+ self.assertEqual(len(self.soup.select('del')), 0)
+
+ def test_invalid_tag(self):
+ self.assertRaises(ValueError, self.soup.select, 'tag%t')
+
+ def test_header_tags(self):
+ self.assertSelectMultiple(
+ ('h1', ['header1']),
+ ('h2', ['header2', 'header3']),
+ )
+
+ def test_class_one(self):
+ for selector in ('.onep', 'p.onep', 'html p.onep'):
+ els = self.soup.select(selector)
+ self.assertEqual(len(els), 1)
+ self.assertEqual(els[0].name, 'p')
+ self.assertEqual(els[0]['class'], ['onep'])
+
+ def test_class_mismatched_tag(self):
+ els = self.soup.select('div.onep')
+ self.assertEqual(len(els), 0)
+
+ def test_one_id(self):
+ for selector in ('div#inner', '#inner', 'div div#inner'):
+ self.assertSelects(selector, ['inner'])
+
+ def test_bad_id(self):
+ els = self.soup.select('#doesnotexist')
+ self.assertEqual(len(els), 0)
+
+ def test_items_in_id(self):
+ els = self.soup.select('div#inner p')
+ self.assertEqual(len(els), 3)
+ for el in els:
+ self.assertEqual(el.name, 'p')
+ self.assertEqual(els[1]['class'], ['onep'])
+ self.assertFalse(els[0].has_attr('class'))
+
+ def test_a_bunch_of_emptys(self):
+ for selector in ('div#main del', 'div#main div.oops', 'div div#main'):
+ self.assertEqual(len(self.soup.select(selector)), 0)
+
+ def test_multi_class_support(self):
+ for selector in ('.class1', 'p.class1', '.class2', 'p.class2',
+ '.class3', 'p.class3', 'html p.class2', 'div#inner .class2'):
+ self.assertSelects(selector, ['pmulti'])
+
+ def test_multi_class_selection(self):
+ for selector in ('.class1.class3', '.class3.class2',
+ '.class1.class2.class3'):
+ self.assertSelects(selector, ['pmulti'])
+
+ def test_child_selector(self):
+ self.assertSelects('.s1 > a', ['s1a1', 's1a2'])
+ self.assertSelects('.s1 > a span', ['s1a2s1'])
+
+ def test_child_selector_id(self):
+ self.assertSelects('.s1 > a#s1a2 span', ['s1a2s1'])
+
+ def test_attribute_equals(self):
+ self.assertSelectMultiple(
+ ('p[class="onep"]', ['p1']),
+ ('p[id="p1"]', ['p1']),
+ ('[class="onep"]', ['p1']),
+ ('[id="p1"]', ['p1']),
+ ('link[rel="stylesheet"]', ['l1']),
+ ('link[type="text/css"]', ['l1']),
+ ('link[href="blah.css"]', ['l1']),
+ ('link[href="no-blah.css"]', []),
+ ('[rel="stylesheet"]', ['l1']),
+ ('[type="text/css"]', ['l1']),
+ ('[href="blah.css"]', ['l1']),
+ ('[href="no-blah.css"]', []),
+ ('p[href="no-blah.css"]', []),
+ ('[href="no-blah.css"]', []),
+ )
+
+ def test_attribute_tilde(self):
+ self.assertSelectMultiple(
+ ('p[class~="class1"]', ['pmulti']),
+ ('p[class~="class2"]', ['pmulti']),
+ ('p[class~="class3"]', ['pmulti']),
+ ('[class~="class1"]', ['pmulti']),
+ ('[class~="class2"]', ['pmulti']),
+ ('[class~="class3"]', ['pmulti']),
+ ('a[rel~="friend"]', ['bob']),
+ ('a[rel~="met"]', ['bob']),
+ ('[rel~="friend"]', ['bob']),
+ ('[rel~="met"]', ['bob']),
+ )
+
+ def test_attribute_startswith(self):
+ self.assertSelectMultiple(
+ ('[rel^="style"]', ['l1']),
+ ('link[rel^="style"]', ['l1']),
+ ('notlink[rel^="notstyle"]', []),
+ ('[rel^="notstyle"]', []),
+ ('link[rel^="notstyle"]', []),
+ ('link[href^="bla"]', ['l1']),
+ ('a[href^="http://"]', ['bob', 'me']),
+ ('[href^="http://"]', ['bob', 'me']),
+ ('[id^="p"]', ['pmulti', 'p1']),
+ ('[id^="m"]', ['me', 'main']),
+ ('div[id^="m"]', ['main']),
+ ('a[id^="m"]', ['me']),
+ )
+
+ def test_attribute_endswith(self):
+ self.assertSelectMultiple(
+ ('[href$=".css"]', ['l1']),
+ ('link[href$=".css"]', ['l1']),
+ ('link[id$="1"]', ['l1']),
+ ('[id$="1"]', ['l1', 'p1', 'header1', 's1a1', 's2a1', 's1a2s1']),
+ ('div[id$="1"]', []),
+ ('[id$="noending"]', []),
+ )
+
+ def test_attribute_contains(self):
+ self.assertSelectMultiple(
+ # From test_attribute_startswith
+ ('[rel*="style"]', ['l1']),
+ ('link[rel*="style"]', ['l1']),
+ ('notlink[rel*="notstyle"]', []),
+ ('[rel*="notstyle"]', []),
+ ('link[rel*="notstyle"]', []),
+ ('link[href*="bla"]', ['l1']),
+ ('a[href*="http://"]', ['bob', 'me']),
+ ('[href*="http://"]', ['bob', 'me']),
+ ('[id*="p"]', ['pmulti', 'p1']),
+ ('div[id*="m"]', ['main']),
+ ('a[id*="m"]', ['me']),
+ # From test_attribute_endswith
+ ('[href*=".css"]', ['l1']),
+ ('link[href*=".css"]', ['l1']),
+ ('link[id*="1"]', ['l1']),
+ ('[id*="1"]', ['l1', 'p1', 'header1', 's1a1', 's1a2', 's2a1', 's1a2s1']),
+ ('div[id*="1"]', []),
+ ('[id*="noending"]', []),
+ # New for this test
+ ('[href*="."]', ['bob', 'me', 'l1']),
+ ('a[href*="."]', ['bob', 'me']),
+ ('link[href*="."]', ['l1']),
+ ('div[id*="n"]', ['main', 'inner']),
+ ('div[id*="nn"]', ['inner']),
+ )
+
+ def test_attribute_exact_or_hypen(self):
+ self.assertSelectMultiple(
+ ('p[lang|="en"]', ['lang-en', 'lang-en-gb', 'lang-en-us']),
+ ('[lang|="en"]', ['lang-en', 'lang-en-gb', 'lang-en-us']),
+ ('p[lang|="fr"]', ['lang-fr']),
+ ('p[lang|="gb"]', []),
+ )
+
+ def test_attribute_exists(self):
+ self.assertSelectMultiple(
+ ('[rel]', ['l1', 'bob', 'me']),
+ ('link[rel]', ['l1']),
+ ('a[rel]', ['bob', 'me']),
+ ('[lang]', ['lang-en', 'lang-en-gb', 'lang-en-us', 'lang-fr']),
+ ('p[class]', ['p1', 'pmulti']),
+ ('[blah]', []),
+ ('p[blah]', []),
+ )
+
+ def test_nth_of_type(self):
+ # Try to select first paragraph
+ els = self.soup.select('div#inner p:nth-of-type(1)')
+ self.assertEqual(len(els), 1)
+ self.assertEqual(els[0].string, u'Some text')
+
+ # Try to select third paragraph
+ els = self.soup.select('div#inner p:nth-of-type(3)')
+ self.assertEqual(len(els), 1)
+ self.assertEqual(els[0].string, u'Another')
+
+ # Try to select (non-existent!) fourth paragraph
+ els = self.soup.select('div#inner p:nth-of-type(4)')
+ self.assertEqual(len(els), 0)
+
+ # Pass in an invalid value.
+ self.assertRaises(
+ ValueError, self.soup.select, 'div p:nth-of-type(0)')
+
+ def test_nth_of_type_direct_descendant(self):
+ els = self.soup.select('div#inner > p:nth-of-type(1)')
+ self.assertEqual(len(els), 1)
+ self.assertEqual(els[0].string, u'Some text')
+
+ def test_id_child_selector_nth_of_type(self):
+ self.assertSelects('#inner > p:nth-of-type(2)', ['p1'])
+
+ def test_select_on_element(self):
+ # Other tests operate on the tree; this operates on an element
+ # within the tree.
+ inner = self.soup.find("div", id="main")
+ selected = inner.select("div")
+ # The <div id="inner"> tag was selected. The <div id="footer">
+ # tag was not.
+ self.assertSelectsIDs(selected, ['inner'])
+
+ def test_overspecified_child_id(self):
+ self.assertSelects(".fancy #inner", ['inner'])
+ self.assertSelects(".normal #inner", [])
+
+ def test_adjacent_sibling_selector(self):
+ self.assertSelects('#p1 + h2', ['header2'])
+ self.assertSelects('#p1 + h2 + p', ['pmulti'])
+ self.assertSelects('#p1 + #header2 + .class1', ['pmulti'])
+ self.assertEqual([], self.soup.select('#p1 + p'))
+
+ def test_general_sibling_selector(self):
+ self.assertSelects('#p1 ~ h2', ['header2', 'header3'])
+ self.assertSelects('#p1 ~ #header2', ['header2'])
+ self.assertSelects('#p1 ~ h2 + a', ['me'])
+ self.assertSelects('#p1 ~ h2 + [rel="me"]', ['me'])
+ self.assertEqual([], self.soup.select('#inner ~ h2'))
+
+ def test_dangling_combinator(self):
+ self.assertRaises(ValueError, self.soup.select, 'h1 >')
+
+ def test_sibling_combinator_wont_select_same_tag_twice(self):
+ self.assertSelects('p[lang] ~ p', ['lang-en-gb', 'lang-en-us', 'lang-fr'])