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BeautifulSoupTests.py
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BeautifulSoupTests.py
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# -*- coding: utf-8 -*-
"""Unit tests for Beautiful Soup.
These tests make sure the Beautiful Soup works as it should. If you
find a bug in Beautiful Soup, the best way to express it is as a test
case like this that fails."""
import unittest
from BeautifulSoup import *
class SoupTest(unittest.TestCase):
def assertSoupEquals(self, toParse, rep=None, c=BeautifulSoup):
"""Parse the given text and make sure its string rep is the other
given text."""
if rep == None:
rep = toParse
self.assertEqual(str(c(toParse)), rep)
class FollowThatTag(SoupTest):
"Tests the various ways of fetching tags from a soup."
def setUp(self):
ml = """
<a id="x">1</a>
<A id="a">2</a>
<b id="b">3</a>
<b href="foo" id="x">4</a>
<ac width=100>4</ac>"""
self.soup = BeautifulStoneSoup(ml)
def testFindAllByName(self):
matching = self.soup('a')
self.assertEqual(len(matching), 2)
self.assertEqual(matching[0].name, 'a')
self.assertEqual(matching, self.soup.findAll('a'))
self.assertEqual(matching, self.soup.findAll(SoupStrainer('a')))
def testFindAllByAttribute(self):
matching = self.soup.findAll(id='x')
self.assertEqual(len(matching), 2)
self.assertEqual(matching[0].name, 'a')
self.assertEqual(matching[1].name, 'b')
matching2 = self.soup.findAll(attrs={'id' : 'x'})
self.assertEqual(matching, matching2)
strainer = SoupStrainer(attrs={'id' : 'x'})
self.assertEqual(matching, self.soup.findAll(strainer))
self.assertEqual(len(self.soup.findAll(id=None)), 1)
self.assertEqual(len(self.soup.findAll(width=100)), 1)
self.assertEqual(len(self.soup.findAll(junk=None)), 5)
self.assertEqual(len(self.soup.findAll(junk=[1, None])), 5)
self.assertEqual(len(self.soup.findAll(junk=re.compile('.*'))), 0)
self.assertEqual(len(self.soup.findAll(junk=True)), 0)
self.assertEqual(len(self.soup.findAll(junk=True)), 0)
self.assertEqual(len(self.soup.findAll(href=True)), 1)
def testFindallByClass(self):
soup = BeautifulSoup('<b class="foo">Foo</b><a class="1 23 4">Bar</a>')
self.assertEqual(soup.find(attrs='foo').string, "Foo")
self.assertEqual(soup.find('a', '1').string, "Bar")
self.assertEqual(soup.find('a', '23').string, "Bar")
self.assertEqual(soup.find('a', '4').string, "Bar")
self.assertEqual(soup.find('a', '2'), None)
def testFindAllByList(self):
matching = self.soup(['a', 'ac'])
self.assertEqual(len(matching), 3)
def testFindAllByHash(self):
matching = self.soup({'a' : True, 'b' : True})
self.assertEqual(len(matching), 4)
def testFindAllText(self):
soup = BeautifulSoup("<html>\xbb</html>")
self.assertEqual(soup.findAll(text=re.compile('.*')),
[u'\xbb'])
def testFindAllByRE(self):
import re
r = re.compile('a.*')
self.assertEqual(len(self.soup(r)), 3)
def testFindAllByMethod(self):
def matchTagWhereIDMatchesName(tag):
return tag.name == tag.get('id')
matching = self.soup.findAll(matchTagWhereIDMatchesName)
self.assertEqual(len(matching), 2)
self.assertEqual(matching[0].name, 'a')
def testFindByIndex(self):
"""For when you have the tag and you want to know where it is."""
tag = self.soup.find('a', id="a")
self.assertEqual(self.soup.index(tag), 3)
# It works for NavigableStrings as well.
s = tag.string
self.assertEqual(tag.index(s), 0)
# If the tag isn't present, a ValueError is raised.
soup2 = BeautifulSoup("<b></b>")
tag2 = soup2.find('b')
self.assertRaises(ValueError, self.soup.index, tag2)
def testConflictingFindArguments(self):
"""The 'text' argument takes precedence."""
soup = BeautifulSoup('Foo<b>Bar</b>Baz')
self.assertEqual(soup.find('b', text='Baz'), 'Baz')
self.assertEqual(soup.findAll('b', text='Baz'), ['Baz'])
self.assertEqual(soup.find(True, text='Baz'), 'Baz')
self.assertEqual(soup.findAll(True, text='Baz'), ['Baz'])
def testParents(self):
soup = BeautifulSoup('<ul id="foo"></ul><ul id="foo"><ul><ul id="foo" a="b"><b>Blah')
b = soup.b
self.assertEquals(len(b.findParents('ul', {'id' : 'foo'})), 2)
self.assertEquals(b.findParent('ul')['a'], 'b')
PROXIMITY_TEST = BeautifulSoup('<b id="1"><b id="2"><b id="3"><b id="4">')
def testNext(self):
soup = self.PROXIMITY_TEST
b = soup.find('b', {'id' : 2})
self.assertEquals(b.findNext('b')['id'], '3')
self.assertEquals(b.findNext('b')['id'], '3')
self.assertEquals(len(b.findAllNext('b')), 2)
self.assertEquals(len(b.findAllNext('b', {'id' : 4})), 1)
def testPrevious(self):
soup = self.PROXIMITY_TEST
b = soup.find('b', {'id' : 3})
self.assertEquals(b.findPrevious('b')['id'], '2')
self.assertEquals(b.findPrevious('b')['id'], '2')
self.assertEquals(len(b.findAllPrevious('b')), 2)
self.assertEquals(len(b.findAllPrevious('b', {'id' : 2})), 1)
SIBLING_TEST = BeautifulSoup('<blockquote id="1"><blockquote id="1.1"></blockquote></blockquote><blockquote id="2"><blockquote id="2.1"></blockquote></blockquote><blockquote id="3"><blockquote id="3.1"></blockquote></blockquote><blockquote id="4">')
def testNextSibling(self):
soup = self.SIBLING_TEST
tag = 'blockquote'
b = soup.find(tag, {'id' : 2})
self.assertEquals(b.findNext(tag)['id'], '2.1')
self.assertEquals(b.findNextSibling(tag)['id'], '3')
self.assertEquals(b.findNextSibling(tag)['id'], '3')
self.assertEquals(len(b.findNextSiblings(tag)), 2)
self.assertEquals(len(b.findNextSiblings(tag, {'id' : 4})), 1)
def testPreviousSibling(self):
soup = self.SIBLING_TEST
tag = 'blockquote'
b = soup.find(tag, {'id' : 3})
self.assertEquals(b.findPrevious(tag)['id'], '2.1')
self.assertEquals(b.findPreviousSibling(tag)['id'], '2')
self.assertEquals(b.findPreviousSibling(tag)['id'], '2')
self.assertEquals(len(b.findPreviousSiblings(tag)), 2)
self.assertEquals(len(b.findPreviousSiblings(tag, id=1)), 1)
def testTextNavigation(self):
soup = BeautifulSoup('Foo<b>Bar</b><i id="1"><b>Baz<br />Blee<hr id="1"/></b></i>Blargh')
baz = soup.find(text='Baz')
self.assertEquals(baz.findParent("i")['id'], '1')
self.assertEquals(baz.findNext(text='Blee'), 'Blee')
self.assertEquals(baz.findNextSibling(text='Blee'), 'Blee')
self.assertEquals(baz.findNextSibling(text='Blargh'), None)
self.assertEquals(baz.findNextSibling('hr')['id'], '1')
class SiblingRivalry(SoupTest):
"Tests the nextSibling and previousSibling navigation."
def testSiblings(self):
soup = BeautifulSoup("<ul><li>1<p>A</p>B<li>2<li>3</ul>")
secondLI = soup.find('li').nextSibling
self.assert_(secondLI.name == 'li' and secondLI.string == '2')
self.assertEquals(soup.find(text='1').nextSibling.name, 'p')
self.assertEquals(soup.find('p').nextSibling, 'B')
self.assertEquals(soup.find('p').nextSibling.previousSibling.nextSibling, 'B')
class TagsAreObjectsToo(SoupTest):
"Tests the various built-in functions of Tag objects."
def testLen(self):
soup = BeautifulSoup("<top>1<b>2</b>3</top>")
self.assertEquals(len(soup.top), 3)
class StringEmUp(SoupTest):
"Tests the use of 'string' as an alias for a tag's only content."
def testString(self):
s = BeautifulSoup("<b>foo</b>")
self.assertEquals(s.b.string, 'foo')
def testLackOfString(self):
s = BeautifulSoup("<b>f<i>e</i>o</b>")
self.assert_(not s.b.string)
def testStringAssign(self):
s = BeautifulSoup("<b></b>")
b = s.b
b.string = "foo"
string = b.string
self.assertEquals(string, "foo")
self.assert_(isinstance(string, NavigableString))
class AllText(SoupTest):
"Tests the use of 'text' to get all of string content from the tag."
def testText(self):
soup = BeautifulSoup("<ul><li>spam</li><li>eggs</li><li>cheese</li>")
self.assertEquals(soup.ul.text, "spameggscheese")
self.assertEquals(soup.ul.getText('/'), "spam/eggs/cheese")
class ThatsMyLimit(SoupTest):
"Tests the limit argument."
def testBasicLimits(self):
s = BeautifulSoup('<br id="1" /><br id="1" /><br id="1" /><br id="1" />')
self.assertEquals(len(s.findAll('br')), 4)
self.assertEquals(len(s.findAll('br', limit=2)), 2)
self.assertEquals(len(s('br', limit=2)), 2)
class OnlyTheLonely(SoupTest):
"Tests the parseOnly argument to the constructor."
def setUp(self):
x = []
for i in range(1,6):
x.append('<a id="%s">' % i)
for j in range(100,103):
x.append('<b id="%s.%s">Content %s.%s</b>' % (i,j, i,j))
x.append('</a>')
self.x = ''.join(x)
def testOnly(self):
strainer = SoupStrainer("b")
soup = BeautifulSoup(self.x, parseOnlyThese=strainer)
self.assertEquals(len(soup), 15)
strainer = SoupStrainer(id=re.compile("100.*"))
soup = BeautifulSoup(self.x, parseOnlyThese=strainer)
self.assertEquals(len(soup), 5)
strainer = SoupStrainer(text=re.compile("10[01].*"))
soup = BeautifulSoup(self.x, parseOnlyThese=strainer)
self.assertEquals(len(soup), 10)
strainer = SoupStrainer(text=lambda(x):x[8]=='3')
soup = BeautifulSoup(self.x, parseOnlyThese=strainer)
self.assertEquals(len(soup), 3)
class PickleMeThis(SoupTest):
"Testing features like pickle and deepcopy."
def setUp(self):
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:[email protected]">
<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.soup = BeautifulSoup(self.page)
def testPickle(self):
import pickle
dumped = pickle.dumps(self.soup, 2)
loaded = pickle.loads(dumped)
self.assertEqual(loaded.__class__, BeautifulSoup)
self.assertEqual(str(loaded), str(self.soup))
def testDeepcopy(self):
from copy import deepcopy
copied = deepcopy(self.soup)
self.assertEqual(str(copied), str(self.soup))
def testUnicodePickle(self):
import cPickle as pickle
html = "<b>" + chr(0xc3) + "</b>"
soup = BeautifulSoup(html)
dumped = pickle.dumps(soup, pickle.HIGHEST_PROTOCOL)
loaded = pickle.loads(dumped)
self.assertEqual(str(loaded), str(soup))
class WriteOnlyCode(SoupTest):
"Testing the modification of the tree."
def testModifyAttributes(self):
soup = BeautifulSoup('<a id="1"></a>')
soup.a['id'] = 2
self.assertEqual(soup.renderContents(), '<a id="2"></a>')
del(soup.a['id'])
self.assertEqual(soup.renderContents(), '<a></a>')
soup.a['id2'] = 'foo'
self.assertEqual(soup.renderContents(), '<a id2="foo"></a>')
def testNewTagCreation(self):
"Makes sure tags don't step on each others' toes."
soup = BeautifulSoup()
a = Tag(soup, 'a')
ol = Tag(soup, 'ol')
a['href'] = 'http://foo.com/'
self.assertRaises(KeyError, lambda : ol['href'])
def testNewTagWithAttributes(self):
"""Makes sure new tags can be created complete with attributes."""
soup = BeautifulSoup()
a = Tag(soup, 'a', [('href', 'foo')])
b = Tag(soup, 'b', {'class':'bar'})
soup.insert(0,a)
soup.insert(1,b)
self.assertEqual(soup.a['href'], 'foo')
self.assertEqual(soup.b['class'], 'bar')
def testTagReplacement(self):
# Make sure you can replace an element with itself.
text = "<a><b></b><c>Foo<d></d></c></a><a><e></e></a>"
soup = BeautifulSoup(text)
c = soup.c
soup.c.replaceWith(c)
self.assertEquals(str(soup), text)
# A very simple case
soup = BeautifulSoup("<b>Argh!</b>")
soup.find(text="Argh!").replaceWith("Hooray!")
newText = soup.find(text="Hooray!")
b = soup.b
self.assertEqual(newText.previous, b)
self.assertEqual(newText.parent, b)
self.assertEqual(newText.previous.next, newText)
self.assertEqual(newText.next, None)
# A more complex case
soup = BeautifulSoup("<a><b>Argh!</b><c></c><d></d></a>")
soup.b.insert(1, "Hooray!")
newText = soup.find(text="Hooray!")
self.assertEqual(newText.previous, "Argh!")
self.assertEqual(newText.previous.next, newText)
self.assertEqual(newText.previousSibling, "Argh!")
self.assertEqual(newText.previousSibling.nextSibling, newText)
self.assertEqual(newText.nextSibling, None)
self.assertEqual(newText.next, soup.c)
text = "<html>There's <b>no</b> business like <b>show</b> business</html>"
soup = BeautifulSoup(text)
no, show = soup.findAll('b')
show.replaceWith(no)
self.assertEquals(str(soup), "<html>There's business like <b>no</b> business</html>")
# Even more complex
soup = BeautifulSoup("<a><b>Find</b><c>lady!</c><d></d></a>")
tag = Tag(soup, 'magictag')
tag.insert(0, "the")
soup.a.insert(1, tag)
b = soup.b
c = soup.c
theText = tag.find(text=True)
findText = b.find(text="Find")
self.assertEqual(findText.next, tag)
self.assertEqual(tag.previous, findText)
self.assertEqual(b.nextSibling, tag)
self.assertEqual(tag.previousSibling, b)
self.assertEqual(tag.nextSibling, c)
self.assertEqual(c.previousSibling, tag)
self.assertEqual(theText.next, c)
self.assertEqual(c.previous, theText)
# Aand... incredibly complex.
soup = BeautifulSoup("""<a>We<b>reserve<c>the</c><d>right</d></b></a><e>to<f>refuse</f><g>service</g></e>""")
f = soup.f
a = soup.a
c = soup.c
e = soup.e
weText = a.find(text="We")
soup.b.replaceWith(soup.f)
self.assertEqual(str(soup), "<a>We<f>refuse</f></a><e>to<g>service</g></e>")
self.assertEqual(f.previous, weText)
self.assertEqual(weText.next, f)
self.assertEqual(f.previousSibling, weText)
self.assertEqual(f.nextSibling, None)
self.assertEqual(weText.nextSibling, f)
def testReplaceWithChildren(self):
soup = BeautifulStoneSoup(
"<top><replace><child1/><child2/></replace></top>",
selfClosingTags=["child1", "child2"])
soup.replaceTag.replaceWithChildren()
self.assertEqual(soup.top.contents[0].name, "child1")
self.assertEqual(soup.top.contents[1].name, "child2")
def testAppend(self):
doc = "<p>Don't leave me <b>here</b>.</p> <p>Don't leave me.</p>"
soup = BeautifulSoup(doc)
second_para = soup('p')[1]
bold = soup.find('b')
soup('p')[1].append(soup.find('b'))
self.assertEqual(bold.parent, second_para)
self.assertEqual(str(soup),
"<p>Don't leave me .</p> "
"<p>Don't leave me.<b>here</b></p>")
def testTagExtraction(self):
# A very simple case
text = '<html><div id="nav">Nav crap</div>Real content here.</html>'
soup = BeautifulSoup(text)
extracted = soup.find("div", id="nav").extract()
self.assertEqual(str(soup), "<html>Real content here.</html>")
self.assertEqual(str(extracted), '<div id="nav">Nav crap</div>')
# A simple case, a more complex test.
text = "<doc><a>1<b>2</b></a><a>i<b>ii</b></a><a>A<b>B</b></a></doc>"
soup = BeautifulStoneSoup(text)
doc = soup.doc
numbers, roman, letters = soup("a")
self.assertEqual(roman.parent, doc)
oldPrevious = roman.previous
endOfThisTag = roman.nextSibling.previous
self.assertEqual(oldPrevious, "2")
self.assertEqual(roman.next, "i")
self.assertEqual(endOfThisTag, "ii")
self.assertEqual(roman.previousSibling, numbers)
self.assertEqual(roman.nextSibling, letters)
roman.extract()
self.assertEqual(roman.parent, None)
self.assertEqual(roman.previous, None)
self.assertEqual(roman.next, "i")
self.assertEqual(letters.previous, '2')
self.assertEqual(roman.previousSibling, None)
self.assertEqual(roman.nextSibling, None)
self.assertEqual(endOfThisTag.next, None)
self.assertEqual(roman.b.contents[0].next, None)
self.assertEqual(numbers.nextSibling, letters)
self.assertEqual(letters.previousSibling, numbers)
self.assertEqual(len(doc.contents), 2)
self.assertEqual(doc.contents[0], numbers)
self.assertEqual(doc.contents[1], letters)
# A more complex case.
text = "<a>1<b>2<c>Hollywood, baby!</c></b></a>3"
soup = BeautifulStoneSoup(text)
one = soup.find(text="1")
three = soup.find(text="3")
toExtract = soup.b
soup.b.extract()
self.assertEqual(one.next, three)
self.assertEqual(three.previous, one)
self.assertEqual(one.parent.nextSibling, three)
self.assertEqual(three.previousSibling, soup.a)
def testClear(self):
soup = BeautifulSoup("<ul><li></li><li></li></ul>")
soup.ul.clear()
self.assertEqual(len(soup.ul.contents), 0)
class TheManWithoutAttributes(SoupTest):
"Test attribute access"
def testHasKey(self):
text = "<foo attr='bar'>"
self.assertEquals(BeautifulSoup(text).foo.has_key('attr'), True)
class QuoteMeOnThat(SoupTest):
"Test quoting"
def testQuotedAttributeValues(self):
self.assertSoupEquals("<foo attr='bar'></foo>",
'<foo attr="bar"></foo>')
text = """<foo attr='bar "brawls" happen'>a</foo>"""
soup = BeautifulSoup(text)
self.assertEquals(soup.renderContents(), text)
soup.foo['attr'] = 'Brawls happen at "Bob\'s Bar"'
newText = """<foo attr='Brawls happen at "Bob&squot;s Bar"'>a</foo>"""
self.assertSoupEquals(soup.renderContents(), newText)
self.assertSoupEquals('<this is="really messed up & stuff">',
'<this is="really messed up & stuff"></this>')
# This is not what the original author had in mind, but it's
# a legitimate interpretation of what they wrote.
self.assertSoupEquals("""<a href="foo</a>, </a><a href="bar">baz</a>""",
'<a href="foo</a>, </a><a href="></a>, <a href="bar">baz</a>')
# SGMLParser generates bogus parse events when attribute values
# contain embedded brackets, but at least Beautiful Soup fixes
# it up a little.
self.assertSoupEquals('<a b="<a>">', '<a b="<a>"></a><a>"></a>')
self.assertSoupEquals('<a href="http://foo.com/<a> and blah and blah',
"""<a href='"http://foo.com/'></a><a> and blah and blah</a>""")
class YoureSoLiteral(SoupTest):
"Test literal mode."
def testLiteralMode(self):
text = "<script>if (i<imgs.length)</script><b>Foo</b>"
soup = BeautifulSoup(text)
self.assertEqual(soup.script.contents[0], "if (i<imgs.length)")
self.assertEqual(soup.b.contents[0], "Foo")
def testTextArea(self):
text = "<textarea><b>This is an example of an HTML tag</b><&<&</textarea>"
soup = BeautifulSoup(text)
self.assertEqual(soup.textarea.contents[0],
"<b>This is an example of an HTML tag</b><&<&")
class OperatorOverload(SoupTest):
"Our operators do it all! Call now!"
def testTagNameAsFind(self):
"Tests that referencing a tag name as a member delegates to find()."
soup = BeautifulSoup('<b id="1">foo<i>bar</i></b><b>Red herring</b>')
self.assertEqual(soup.b.i, soup.find('b').find('i'))
self.assertEqual(soup.b.i.string, 'bar')
self.assertEqual(soup.b['id'], '1')
self.assertEqual(soup.b.contents[0], 'foo')
self.assert_(not soup.a)
#Test the .fooTag variant of .foo.
self.assertEqual(soup.bTag.iTag.string, 'bar')
self.assertEqual(soup.b.iTag.string, 'bar')
self.assertEqual(soup.find('b').find('i'), soup.bTag.iTag)
class NestableEgg(SoupTest):
"""Here we test tag nesting. TEST THE NEST, DUDE! X-TREME!"""
def testParaInsideBlockquote(self):
soup = BeautifulSoup('<blockquote><p><b>Foo</blockquote><p>Bar')
self.assertEqual(soup.blockquote.p.b.string, 'Foo')
self.assertEqual(soup.blockquote.b.string, 'Foo')
self.assertEqual(soup.find('p', recursive=False).string, 'Bar')
def testNestedTables(self):
text = """<table id="1"><tr><td>Here's another table:
<table id="2"><tr><td>Juicy text</td></tr></table></td></tr></table>"""
soup = BeautifulSoup(text)
self.assertEquals(soup.table.table.td.string, 'Juicy text')
self.assertEquals(len(soup.findAll('table')), 2)
self.assertEquals(len(soup.table.findAll('table')), 1)
self.assertEquals(soup.find('table', {'id' : 2}).parent.parent.parent.name,
'table')
text = "<table><tr><td><div><table>Foo</table></div></td></tr></table>"
soup = BeautifulSoup(text)
self.assertEquals(soup.table.tr.td.div.table.contents[0], "Foo")
text = """<table><thead><tr>Foo</tr></thead><tbody><tr>Bar</tr></tbody>
<tfoot><tr>Baz</tr></tfoot></table>"""
soup = BeautifulSoup(text)
self.assertEquals(soup.table.thead.tr.contents[0], "Foo")
def testBadNestedTables(self):
soup = BeautifulSoup("<table><tr><table><tr id='nested'>")
self.assertEquals(soup.table.tr.table.tr['id'], 'nested')
class CleanupOnAisleFour(SoupTest):
"""Here we test cleanup of text that breaks SGMLParser or is just
obnoxious."""
def testSelfClosingtag(self):
self.assertEqual(str(BeautifulSoup("Foo<br/>Bar").find('br')),
'<br />')
self.assertSoupEquals('<p>test1<br/>test2</p>',
'<p>test1<br />test2</p>')
text = '<p>test1<selfclosing>test2'
soup = BeautifulStoneSoup(text)
self.assertEqual(str(soup),
'<p>test1<selfclosing>test2</selfclosing></p>')
soup = BeautifulStoneSoup(text, selfClosingTags='selfclosing')
self.assertEqual(str(soup),
'<p>test1<selfclosing />test2</p>')
def testSelfClosingTagOrNot(self):
text = "<item><link>http://foo.com/</link></item>"
self.assertEqual(BeautifulStoneSoup(text).renderContents(), text)
self.assertEqual(BeautifulSoup(text).renderContents(),
'<item><link />http://foo.com/</item>')
def testCData(self):
xml = "<root>foo<![CDATA[foobar]]>bar</root>"
self.assertSoupEquals(xml, xml)
r = re.compile("foo.*bar")
soup = BeautifulSoup(xml)
self.assertEquals(soup.find(text=r).string, "foobar")
self.assertEquals(soup.find(text=r).__class__, CData)
def testComments(self):
xml = "foo<!--foobar-->baz"
self.assertSoupEquals(xml)
r = re.compile("foo.*bar")
soup = BeautifulSoup(xml)
self.assertEquals(soup.find(text=r).string, "foobar")
self.assertEquals(soup.find(text="foobar").__class__, Comment)
def testDeclaration(self):
xml = "foo<!DOCTYPE foobar>baz"
self.assertSoupEquals(xml)
r = re.compile(".*foo.*bar")
soup = BeautifulSoup(xml)
text = "DOCTYPE foobar"
self.assertEquals(soup.find(text=r).string, text)
self.assertEquals(soup.find(text=text).__class__, Declaration)
namespaced_doctype = ('<!DOCTYPE xsl:stylesheet SYSTEM "htmlent.dtd">'
'<html>foo</html>')
soup = BeautifulSoup(namespaced_doctype)
self.assertEquals(soup.contents[0],
'DOCTYPE xsl:stylesheet SYSTEM "htmlent.dtd"')
self.assertEquals(soup.html.contents[0], 'foo')
def testEntityConversions(self):
text = "<<sacré bleu!>>"
soup = BeautifulStoneSoup(text)
self.assertSoupEquals(text)
xmlEnt = BeautifulStoneSoup.XML_ENTITIES
htmlEnt = BeautifulStoneSoup.HTML_ENTITIES
xhtmlEnt = BeautifulStoneSoup.XHTML_ENTITIES
soup = BeautifulStoneSoup(text, convertEntities=xmlEnt)
self.assertEquals(str(soup), "<<sacré bleu!>>")
soup = BeautifulStoneSoup(text, convertEntities=htmlEnt)
self.assertEquals(unicode(soup), u"<<sacr\xe9 bleu!>>")
# Make sure the "XML", "HTML", and "XHTML" settings work.
text = "<™'"
soup = BeautifulStoneSoup(text, convertEntities=xmlEnt)
self.assertEquals(unicode(soup), u"<™'")
soup = BeautifulStoneSoup(text, convertEntities=htmlEnt)
self.assertEquals(unicode(soup), u"<\u2122'")
soup = BeautifulStoneSoup(text, convertEntities=xhtmlEnt)
self.assertEquals(unicode(soup), u"<\u2122'")
invalidEntity = "foo&#bar;baz"
soup = BeautifulStoneSoup\
(invalidEntity,
convertEntities=htmlEnt)
self.assertEquals(str(soup), "foo&#bar;baz")
nonexistentEntity = "foo&bar;baz"
soup = BeautifulStoneSoup\
(nonexistentEntity,
convertEntities="xml")
self.assertEquals(str(soup), nonexistentEntity)
def testNonBreakingSpaces(self):
soup = BeautifulSoup("<a> </a>",
convertEntities=BeautifulStoneSoup.HTML_ENTITIES)
self.assertEquals(unicode(soup), u"<a>\xa0\xa0</a>")
def testWhitespaceInDeclaration(self):
self.assertSoupEquals('<! DOCTYPE>', '<!DOCTYPE>')
def testJunkInDeclaration(self):
self.assertSoupEquals('<! Foo = -8>a', '<!Foo = -8>a')
def testIncompleteDeclaration(self):
self.assertSoupEquals('a<!b <p>c', 'a<!b <p>c')
def testEntityReplacement(self):
self.assertSoupEquals('<b>hello there</b>')
def testEntitiesInAttributeValues(self):
self.assertSoupEquals('<x t="xñ">', '<x t="x\xc3\xb1"></x>')
self.assertSoupEquals('<x t="xñ">', '<x t="x\xc3\xb1"></x>')
soup = BeautifulSoup('<x t=">™">',
convertEntities=BeautifulStoneSoup.HTML_ENTITIES)
self.assertEquals(unicode(soup), u'<x t=">\u2122"></x>')
uri = "http://crummy.com?sacré&bleu"
link = '<a href="%s"></a>' % uri
soup = BeautifulSoup(link)
self.assertEquals(unicode(soup), link)
#self.assertEquals(unicode(soup.a['href']), uri)
soup = BeautifulSoup(link, convertEntities=BeautifulSoup.HTML_ENTITIES)
self.assertEquals(unicode(soup),
link.replace("é", u"\xe9"))
uri = "http://crummy.com?sacré&bleu"
link = '<a href="%s"></a>' % uri
soup = BeautifulSoup(link, convertEntities=BeautifulSoup.HTML_ENTITIES)
self.assertEquals(unicode(soup.a['href']),
uri.replace("é", u"\xe9"))
def testNakedAmpersands(self):
html = {'convertEntities':BeautifulStoneSoup.HTML_ENTITIES}
soup = BeautifulStoneSoup("AT&T ", **html)
self.assertEquals(str(soup), 'AT&T ')
nakedAmpersandInASentence = "AT&T was Ma Bell"
soup = BeautifulStoneSoup(nakedAmpersandInASentence,**html)
self.assertEquals(str(soup), \
nakedAmpersandInASentence.replace('&','&'))
invalidURL = '<a href="http://example.org?a=1&b=2;3">foo</a>'
validURL = invalidURL.replace('&','&')
soup = BeautifulStoneSoup(invalidURL)
self.assertEquals(str(soup), validURL)
soup = BeautifulStoneSoup(validURL)
self.assertEquals(str(soup), validURL)
class EncodeRed(SoupTest):
"""Tests encoding conversion, Unicode conversion, and Microsoft
smart quote fixes."""
def testUnicodeDammitStandalone(self):
markup = "<foo>\x92</foo>"
dammit = UnicodeDammit(markup)
self.assertEquals(dammit.unicode, "<foo>’</foo>")
hebrew = "\xed\xe5\xec\xf9"
dammit = UnicodeDammit(hebrew, ["iso-8859-8"])
self.assertEquals(dammit.unicode, u'\u05dd\u05d5\u05dc\u05e9')
self.assertEquals(dammit.originalEncoding, 'iso-8859-8')
def testGarbageInGarbageOut(self):
ascii = "<foo>a</foo>"
asciiSoup = BeautifulStoneSoup(ascii)
self.assertEquals(ascii, str(asciiSoup))
unicodeData = u"<foo>\u00FC</foo>"
utf8 = unicodeData.encode("utf-8")
self.assertEquals(utf8, '<foo>\xc3\xbc</foo>')
unicodeSoup = BeautifulStoneSoup(unicodeData)
self.assertEquals(unicodeData, unicode(unicodeSoup))
self.assertEquals(unicode(unicodeSoup.foo.string), u'\u00FC')
utf8Soup = BeautifulStoneSoup(utf8, fromEncoding='utf-8')
self.assertEquals(utf8, str(utf8Soup))
self.assertEquals(utf8Soup.originalEncoding, "utf-8")
utf8Soup = BeautifulStoneSoup(unicodeData)
self.assertEquals(utf8, str(utf8Soup))
self.assertEquals(utf8Soup.originalEncoding, None)
def testHandleInvalidCodec(self):
for bad_encoding in ['.utf8', '...', 'utF---16.!']:
soup = BeautifulSoup("Räksmörgås", fromEncoding=bad_encoding)
self.assertEquals(soup.originalEncoding, 'utf-8')
def testUnicodeSearch(self):
html = u'<html><body><h1>Räksmörgås</h1></body></html>'
soup = BeautifulSoup(html)
self.assertEqual(soup.find(text=u'Räksmörgås'),u'Räksmörgås')
def testRewrittenXMLHeader(self):
euc_jp = '<?xml version="1.0 encoding="euc-jp"?>\n<foo>\n\xa4\xb3\xa4\xec\xa4\xcfEUC-JP\xa4\xc7\xa5\xb3\xa1\xbc\xa5\xc7\xa5\xa3\xa5\xf3\xa5\xb0\xa4\xb5\xa4\xec\xa4\xbf\xc6\xfc\xcb\xdc\xb8\xec\xa4\xce\xa5\xd5\xa5\xa1\xa5\xa4\xa5\xeb\xa4\xc7\xa4\xb9\xa1\xa3\n</foo>\n'
utf8 = "<?xml version='1.0' encoding='utf-8'?>\n<foo>\n\xe3\x81\x93\xe3\x82\x8c\xe3\x81\xafEUC-JP\xe3\x81\xa7\xe3\x82\xb3\xe3\x83\xbc\xe3\x83\x87\xe3\x82\xa3\xe3\x83\xb3\xe3\x82\xb0\xe3\x81\x95\xe3\x82\x8c\xe3\x81\x9f\xe6\x97\xa5\xe6\x9c\xac\xe8\xaa\x9e\xe3\x81\xae\xe3\x83\x95\xe3\x82\xa1\xe3\x82\xa4\xe3\x83\xab\xe3\x81\xa7\xe3\x81\x99\xe3\x80\x82\n</foo>\n"
soup = BeautifulStoneSoup(euc_jp)
if soup.originalEncoding != "euc-jp":
raise Exception("Test failed when parsing euc-jp document. "
"If you're running Python >=2.4, or you have "
"cjkcodecs installed, this is a real problem. "
"Otherwise, ignore it.")
self.assertEquals(soup.originalEncoding, "euc-jp")
self.assertEquals(str(soup), utf8)
old_text = "<?xml encoding='windows-1252'><foo>\x92</foo>"
new_text = "<?xml version='1.0' encoding='utf-8'?><foo>’</foo>"
self.assertSoupEquals(old_text, new_text)
def testRewrittenMetaTag(self):
no_shift_jis_html = '''<html><head>\n<meta http-equiv="Content-language" content="ja" /></head><body><pre>\n\x82\xb1\x82\xea\x82\xcdShift-JIS\x82\xc5\x83R\x81[\x83f\x83B\x83\x93\x83O\x82\xb3\x82\xea\x82\xbd\x93\xfa\x96{\x8c\xea\x82\xcc\x83t\x83@\x83C\x83\x8b\x82\xc5\x82\xb7\x81B\n</pre></body></html>'''
soup = BeautifulSoup(no_shift_jis_html)
# 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 = BeautifulSoup(no_shift_jis_html, parseOnlyThese=strainer)
self.assertEquals(soup.contents[0].name, 'pre')
meta_tag = ('<meta content="text/html; charset=x-sjis" '
'http-equiv="Content-type" />')
shift_jis_html = (
'<html><head>\n%s\n'
'<meta http-equiv="Content-language" content="ja" />'
'</head><body><pre>\n'
'\x82\xb1\x82\xea\x82\xcdShift-JIS\x82\xc5\x83R\x81[\x83f'
'\x83B\x83\x93\x83O\x82\xb3\x82\xea\x82\xbd\x93\xfa\x96{\x8c'
'\xea\x82\xcc\x83t\x83@\x83C\x83\x8b\x82\xc5\x82\xb7\x81B\n'
'</pre></body></html>') % meta_tag
soup = BeautifulSoup(shift_jis_html)
if soup.originalEncoding != "shift-jis":
raise Exception("Test failed when parsing shift-jis document "
"with meta tag '%s'."
"If you're running Python >=2.4, or you have "
"cjkcodecs installed, this is a real problem. "
"Otherwise, ignore it." % meta_tag)
self.assertEquals(soup.originalEncoding, "shift-jis")
content_type_tag = soup.meta['content']
self.assertEquals(content_type_tag[content_type_tag.find('charset='):],
'charset=%SOUP-ENCODING%')
content_type = str(soup.meta)
index = content_type.find('charset=')
self.assertEqual(content_type[index:index+len('charset=utf8')+1],
'charset=utf-8')
content_type = soup.meta.__str__('shift-jis')
index = content_type.find('charset=')
self.assertEqual(content_type[index:index+len('charset=shift-jis')],
'charset=shift-jis')
self.assertEquals(str(soup), (
'<html><head>\n'
'<meta content="text/html; charset=utf-8" '
'http-equiv="Content-type" />\n'
'<meta http-equiv="Content-language" content="ja" />'
'</head><body><pre>\n'
'\xe3\x81\x93\xe3\x82\x8c\xe3\x81\xafShift-JIS\xe3\x81\xa7\xe3'
'\x82\xb3\xe3\x83\xbc\xe3\x83\x87\xe3\x82\xa3\xe3\x83\xb3\xe3'
'\x82\xb0\xe3\x81\x95\xe3\x82\x8c\xe3\x81\x9f\xe6\x97\xa5\xe6'
'\x9c\xac\xe8\xaa\x9e\xe3\x81\xae\xe3\x83\x95\xe3\x82\xa1\xe3'
'\x82\xa4\xe3\x83\xab\xe3\x81\xa7\xe3\x81\x99\xe3\x80\x82\n'
'</pre></body></html>'))
self.assertEquals(soup.renderContents("shift-jis"),
shift_jis_html.replace('x-sjis', 'shift-jis'))
isolatin ="""<html><meta http-equiv="Content-type" content="text/html; charset=ISO-Latin-1" />Sacr\xe9 bleu!</html>"""
soup = BeautifulSoup(isolatin)
self.assertSoupEquals(soup.__str__("utf-8"),
isolatin.replace("ISO-Latin-1", "utf-8").replace("\xe9", "\xc3\xa9"))
def testHebrew(self):
iso_8859_8= '<HEAD>\n<TITLE>Hebrew (ISO 8859-8) in Visual Directionality</TITLE>\n\n\n\n</HEAD>\n<BODY>\n<H1>Hebrew (ISO 8859-8) in Visual Directionality</H1>\n\xed\xe5\xec\xf9\n</BODY>\n'
utf8 = '<head>\n<title>Hebrew (ISO 8859-8) in Visual Directionality</title>\n</head>\n<body>\n<h1>Hebrew (ISO 8859-8) in Visual Directionality</h1>\n\xd7\x9d\xd7\x95\xd7\x9c\xd7\xa9\n</body>\n'
soup = BeautifulStoneSoup(iso_8859_8, fromEncoding="iso-8859-8")
self.assertEquals(str(soup), utf8)
def testSmartQuotesNotSoSmartAnymore(self):
self.assertSoupEquals("\x91Foo\x92 <!--blah-->",
'‘Foo’ <!--blah-->')
def testDontConvertSmartQuotesWhenAlsoConvertingEntities(self):
smartQuotes = "Il a dit, \x8BSacré bleu!\x9b"
soup = BeautifulSoup(smartQuotes)
self.assertEquals(str(soup),
'Il a dit, ‹Sacré bleu!›')
soup = BeautifulSoup(smartQuotes, convertEntities="html")
self.assertEquals(str(soup),
'Il a dit, \xe2\x80\xb9Sacr\xc3\xa9 bleu!\xe2\x80\xba')
def testDontSeeSmartQuotesWhereThereAreNone(self):
utf_8 = "\343\202\261\343\203\274\343\202\277\343\202\244 Watch"
self.assertSoupEquals(utf_8)
class Whitewash(SoupTest):
"""Test whitespace preservation."""
def testPreservedWhitespace(self):
self.assertSoupEquals("<pre> </pre>")
self.assertSoupEquals("<pre> woo </pre>")
def testCollapsedWhitespace(self):
self.assertSoupEquals("<p> </p>", "<p> </p>")
if __name__ == '__main__':
unittest.main()