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annotate planemo/lib/python3.7/site-packages/bs4/testing.py @ 0:d30785e31577 draft

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"planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
author guerler
date Fri, 31 Jul 2020 00:18:57 -0400
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1 # encoding: utf-8
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2 """Helper classes for tests."""
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3
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4 # Use of this source code is governed by the MIT license.
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5 __license__ = "MIT"
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6
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7 import pickle
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8 import copy
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9 import functools
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10 import unittest
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11 from unittest import TestCase
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12 from bs4 import BeautifulSoup
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13 from bs4.element import (
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14 CharsetMetaAttributeValue,
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15 Comment,
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16 ContentMetaAttributeValue,
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17 Doctype,
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18 PYTHON_SPECIFIC_ENCODINGS,
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19 SoupStrainer,
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20 Script,
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21 Stylesheet,
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22 Tag
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23 )
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24
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25 from bs4.builder import HTMLParserTreeBuilder
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26 default_builder = HTMLParserTreeBuilder
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27
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28 BAD_DOCUMENT = """A bare string
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29 <!DOCTYPE xsl:stylesheet SYSTEM "htmlent.dtd">
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30 <!DOCTYPE xsl:stylesheet PUBLIC "htmlent.dtd">
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31 <div><![CDATA[A CDATA section where it doesn't belong]]></div>
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32 <div><svg><![CDATA[HTML5 does allow CDATA sections in SVG]]></svg></div>
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33 <div>A <meta> tag</div>
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34 <div>A <br> tag that supposedly has contents.</br></div>
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35 <div>AT&T</div>
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36 <div><textarea>Within a textarea, markup like <b> tags and <&<&amp; should be treated as literal</textarea></div>
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37 <div><script>if (i < 2) { alert("<b>Markup within script tags should be treated as literal.</b>"); }</script></div>
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38 <div>This numeric entity is missing the final semicolon: <x t="pi&#241ata"></div>
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39 <div><a href="http://example.com/</a> that attribute value never got closed</div>
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40 <div><a href="foo</a>, </a><a href="bar">that attribute value was closed by the subsequent tag</a></div>
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41 <! This document starts with a bogus declaration ><div>a</div>
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42 <div>This document contains <!an incomplete declaration <div>(do you see it?)</div>
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43 <div>This document ends with <!an incomplete declaration
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44 <div><a style={height:21px;}>That attribute value was bogus</a></div>
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45 <! DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN">The doctype is invalid because it contains extra whitespace
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46 <div><table><td nowrap>That boolean attribute had no value</td></table></div>
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47 <div>Here's a nonexistent entity: &#foo; (do you see it?)</div>
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48 <div>This document ends before the entity finishes: &gt
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49 <div><p>Paragraphs shouldn't contain block display elements, but this one does: <dl><dt>you see?</dt></p>
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50 <b b="20" a="1" b="10" a="2" a="3" a="4">Multiple values for the same attribute.</b>
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51 <div><table><tr><td>Here's a table</td></tr></table></div>
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52 <div><table id="1"><tr><td>Here's a nested table:<table id="2"><tr><td>foo</td></tr></table></td></div>
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53 <div>This tag contains nothing but whitespace: <b> </b></div>
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54 <div><blockquote><p><b>This p tag is cut off by</blockquote></p>the end of the blockquote tag</div>
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55 <div><table><div>This table contains bare markup</div></table></div>
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56 <div><div id="1">\n <a href="link1">This link is never closed.\n</div>\n<div id="2">\n <div id="3">\n <a href="link2">This link is closed.</a>\n </div>\n</div></div>
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57 <div>This document contains a <!DOCTYPE surprise>surprise doctype</div>
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58 <div><a><B><Cd><EFG>Mixed case tags are folded to lowercase</efg></CD></b></A></div>
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59 <div><our\u2603>Tag name contains Unicode characters</our\u2603></div>
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60 <div><a \u2603="snowman">Attribute name contains Unicode characters</a></div>
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61 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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62 """
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63
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64
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65 class SoupTest(unittest.TestCase):
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66
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67 @property
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68 def default_builder(self):
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69 return default_builder
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70
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71 def soup(self, markup, **kwargs):
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72 """Build a Beautiful Soup object from markup."""
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73 builder = kwargs.pop('builder', self.default_builder)
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74 return BeautifulSoup(markup, builder=builder, **kwargs)
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75
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76 def document_for(self, markup, **kwargs):
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77 """Turn an HTML fragment into a document.
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78
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79 The details depend on the builder.
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80 """
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81 return self.default_builder(**kwargs).test_fragment_to_document(markup)
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82
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83 def assertSoupEquals(self, to_parse, compare_parsed_to=None):
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84 builder = self.default_builder
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85 obj = BeautifulSoup(to_parse, builder=builder)
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86 if compare_parsed_to is None:
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87 compare_parsed_to = to_parse
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88
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89 self.assertEqual(obj.decode(), self.document_for(compare_parsed_to))
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90
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91 def assertConnectedness(self, element):
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92 """Ensure that next_element and previous_element are properly
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93 set for all descendants of the given element.
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94 """
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95 earlier = None
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96 for e in element.descendants:
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97 if earlier:
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98 self.assertEqual(e, earlier.next_element)
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99 self.assertEqual(earlier, e.previous_element)
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100 earlier = e
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101
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102 def linkage_validator(self, el, _recursive_call=False):
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103 """Ensure proper linkage throughout the document."""
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104 descendant = None
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105 # Document element should have no previous element or previous sibling.
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106 # It also shouldn't have a next sibling.
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107 if el.parent is None:
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108 assert el.previous_element is None,\
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109 "Bad previous_element\nNODE: {}\nPREV: {}\nEXPECTED: {}".format(
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110 el, el.previous_element, None
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111 )
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112 assert el.previous_sibling is None,\
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113 "Bad previous_sibling\nNODE: {}\nPREV: {}\nEXPECTED: {}".format(
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114 el, el.previous_sibling, None
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115 )
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116 assert el.next_sibling is None,\
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117 "Bad next_sibling\nNODE: {}\nNEXT: {}\nEXPECTED: {}".format(
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118 el, el.next_sibling, None
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119 )
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120
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121 idx = 0
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122 child = None
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123 last_child = None
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124 last_idx = len(el.contents) - 1
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125 for child in el.contents:
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126 descendant = None
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127
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128 # Parent should link next element to their first child
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129 # That child should have no previous sibling
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130 if idx == 0:
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131 if el.parent is not None:
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132 assert el.next_element is child,\
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133 "Bad next_element\nNODE: {}\nNEXT: {}\nEXPECTED: {}".format(
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134 el, el.next_element, child
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135 )
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136 assert child.previous_element is el,\
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137 "Bad previous_element\nNODE: {}\nPREV: {}\nEXPECTED: {}".format(
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138 child, child.previous_element, el
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139 )
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140 assert child.previous_sibling is None,\
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141 "Bad previous_sibling\nNODE: {}\nPREV {}\nEXPECTED: {}".format(
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142 child, child.previous_sibling, None
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143 )
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144
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145 # If not the first child, previous index should link as sibling to this index
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146 # Previous element should match the last index or the last bubbled up descendant
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147 else:
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148 assert child.previous_sibling is el.contents[idx - 1],\
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149 "Bad previous_sibling\nNODE: {}\nPREV {}\nEXPECTED {}".format(
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150 child, child.previous_sibling, el.contents[idx - 1]
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151 )
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152 assert el.contents[idx - 1].next_sibling is child,\
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153 "Bad next_sibling\nNODE: {}\nNEXT {}\nEXPECTED {}".format(
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154 el.contents[idx - 1], el.contents[idx - 1].next_sibling, child
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155 )
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156
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157 if last_child is not None:
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158 assert child.previous_element is last_child,\
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159 "Bad previous_element\nNODE: {}\nPREV {}\nEXPECTED {}\nCONTENTS {}".format(
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160 child, child.previous_element, last_child, child.parent.contents
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161 )
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162 assert last_child.next_element is child,\
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163 "Bad next_element\nNODE: {}\nNEXT {}\nEXPECTED {}".format(
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164 last_child, last_child.next_element, child
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165 )
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166
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167 if isinstance(child, Tag) and child.contents:
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168 descendant = self.linkage_validator(child, True)
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169 # A bubbled up descendant should have no next siblings
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170 assert descendant.next_sibling is None,\
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171 "Bad next_sibling\nNODE: {}\nNEXT {}\nEXPECTED {}".format(
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172 descendant, descendant.next_sibling, None
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173 )
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174
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175 # Mark last child as either the bubbled up descendant or the current child
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176 if descendant is not None:
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177 last_child = descendant
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178 else:
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179 last_child = child
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180
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181 # If last child, there are non next siblings
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182 if idx == last_idx:
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183 assert child.next_sibling is None,\
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184 "Bad next_sibling\nNODE: {}\nNEXT {}\nEXPECTED {}".format(
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185 child, child.next_sibling, None
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186 )
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187 idx += 1
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188
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189 child = descendant if descendant is not None else child
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190 if child is None:
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191 child = el
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192
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193 if not _recursive_call and child is not None:
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194 target = el
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195 while True:
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196 if target is None:
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197 assert child.next_element is None, \
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198 "Bad next_element\nNODE: {}\nNEXT {}\nEXPECTED {}".format(
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199 child, child.next_element, None
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200 )
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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201 break
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202 elif target.next_sibling is not None:
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203 assert child.next_element is target.next_sibling, \
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204 "Bad next_element\nNODE: {}\nNEXT {}\nEXPECTED {}".format(
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205 child, child.next_element, target.next_sibling
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diff changeset
206 )
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207 break
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208 target = target.parent
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209
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210 # We are done, so nothing to return
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211 return None
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212 else:
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213 # Return the child to the recursive caller
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214 return child
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215
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216
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217 class HTMLTreeBuilderSmokeTest(object):
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218
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219 """A basic test of a treebuilder's competence.
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220
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221 Any HTML treebuilder, present or future, should be able to pass
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222 these tests. With invalid markup, there's room for interpretation,
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223 and different parsers can handle it differently. But with the
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224 markup in these tests, there's not much room for interpretation.
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225 """
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226
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227 def test_empty_element_tags(self):
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228 """Verify that all HTML4 and HTML5 empty element (aka void element) tags
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229 are handled correctly.
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230 """
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231 for name in [
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232 'area', 'base', 'br', 'col', 'embed', 'hr', 'img', 'input', 'keygen', 'link', 'menuitem', 'meta', 'param', 'source', 'track', 'wbr',
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233 'spacer', 'frame'
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234 ]:
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235 soup = self.soup("")
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236 new_tag = soup.new_tag(name)
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237 self.assertEqual(True, new_tag.is_empty_element)
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238
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239 def test_special_string_containers(self):
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240 soup = self.soup(
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241 "<style>Some CSS</style><script>Some Javascript</script>"
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242 )
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243 assert isinstance(soup.style.string, Stylesheet)
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244 assert isinstance(soup.script.string, Script)
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245
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246 soup = self.soup(
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247 "<style><!--Some CSS--></style>"
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248 )
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249 assert isinstance(soup.style.string, Stylesheet)
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250 # The contents of the style tag resemble an HTML comment, but
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251 # it's not treated as a comment.
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252 self.assertEqual("<!--Some CSS-->", soup.style.string)
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253 assert isinstance(soup.style.string, Stylesheet)
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254
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255 def test_pickle_and_unpickle_identity(self):
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256 # Pickling a tree, then unpickling it, yields a tree identical
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257 # to the original.
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258 tree = self.soup("<a><b>foo</a>")
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259 dumped = pickle.dumps(tree, 2)
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260 loaded = pickle.loads(dumped)
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261 self.assertEqual(loaded.__class__, BeautifulSoup)
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262 self.assertEqual(loaded.decode(), tree.decode())
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263
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264 def assertDoctypeHandled(self, doctype_fragment):
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265 """Assert that a given doctype string is handled correctly."""
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266 doctype_str, soup = self._document_with_doctype(doctype_fragment)
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267
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268 # Make sure a Doctype object was created.
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269 doctype = soup.contents[0]
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270 self.assertEqual(doctype.__class__, Doctype)
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271 self.assertEqual(doctype, doctype_fragment)
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272 self.assertEqual(
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273 soup.encode("utf8")[:len(doctype_str)],
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274 doctype_str
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275 )
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276
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277 # Make sure that the doctype was correctly associated with the
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278 # parse tree and that the rest of the document parsed.
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279 self.assertEqual(soup.p.contents[0], 'foo')
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280
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281 def _document_with_doctype(self, doctype_fragment, doctype_string="DOCTYPE"):
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282 """Generate and parse a document with the given doctype."""
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283 doctype = '<!%s %s>' % (doctype_string, doctype_fragment)
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284 markup = doctype + '\n<p>foo</p>'
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285 soup = self.soup(markup)
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286 return doctype.encode("utf8"), soup
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287
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288 def test_normal_doctypes(self):
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289 """Make sure normal, everyday HTML doctypes are handled correctly."""
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290 self.assertDoctypeHandled("html")
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291 self.assertDoctypeHandled(
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292 'html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"')
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293
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294 def test_empty_doctype(self):
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295 soup = self.soup("<!DOCTYPE>")
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296 doctype = soup.contents[0]
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297 self.assertEqual("", doctype.strip())
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298
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299 def test_mixed_case_doctype(self):
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300 # A lowercase or mixed-case doctype becomes a Doctype.
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301 for doctype_fragment in ("doctype", "DocType"):
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302 doctype_str, soup = self._document_with_doctype(
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303 "html", doctype_fragment
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304 )
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305
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306 # Make sure a Doctype object was created and that the DOCTYPE
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307 # is uppercase.
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308 doctype = soup.contents[0]
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309 self.assertEqual(doctype.__class__, Doctype)
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310 self.assertEqual(doctype, "html")
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311 self.assertEqual(
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312 soup.encode("utf8")[:len(doctype_str)],
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313 b"<!DOCTYPE html>"
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314 )
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315
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316 # Make sure that the doctype was correctly associated with the
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317 # parse tree and that the rest of the document parsed.
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318 self.assertEqual(soup.p.contents[0], 'foo')
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319
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320 def test_public_doctype_with_url(self):
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321 doctype = 'html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"'
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322 self.assertDoctypeHandled(doctype)
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323
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324 def test_system_doctype(self):
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325 self.assertDoctypeHandled('foo SYSTEM "http://www.example.com/"')
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326
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327 def test_namespaced_system_doctype(self):
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328 # We can handle a namespaced doctype with a system ID.
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329 self.assertDoctypeHandled('xsl:stylesheet SYSTEM "htmlent.dtd"')
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330
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331 def test_namespaced_public_doctype(self):
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332 # Test a namespaced doctype with a public id.
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333 self.assertDoctypeHandled('xsl:stylesheet PUBLIC "htmlent.dtd"')
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334
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335 def test_real_xhtml_document(self):
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336 """A real XHTML document should come out more or less the same as it went in."""
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337 markup = b"""<?xml version="1.0" encoding="utf-8"?>
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338 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN">
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339 <html xmlns="http://www.w3.org/1999/xhtml">
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340 <head><title>Hello.</title></head>
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341 <body>Goodbye.</body>
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342 </html>"""
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343 soup = self.soup(markup)
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344 self.assertEqual(
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345 soup.encode("utf-8").replace(b"\n", b""),
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346 markup.replace(b"\n", b""))
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347
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348 def test_namespaced_html(self):
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349 """When a namespaced XML document is parsed as HTML it should
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350 be treated as HTML with weird tag names.
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351 """
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352 markup = b"""<ns1:foo>content</ns1:foo><ns1:foo/><ns2:foo/>"""
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353 soup = self.soup(markup)
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354 self.assertEqual(2, len(soup.find_all("ns1:foo")))
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355
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356 def test_processing_instruction(self):
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357 # We test both Unicode and bytestring to verify that
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358 # process_markup correctly sets processing_instruction_class
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359 # even when the markup is already Unicode and there is no
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360 # need to process anything.
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361 markup = """<?PITarget PIContent?>"""
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362 soup = self.soup(markup)
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363 self.assertEqual(markup, soup.decode())
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364
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365 markup = b"""<?PITarget PIContent?>"""
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366 soup = self.soup(markup)
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367 self.assertEqual(markup, soup.encode("utf8"))
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368
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369 def test_deepcopy(self):
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370 """Make sure you can copy the tree builder.
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371
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372 This is important because the builder is part of a
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373 BeautifulSoup object, and we want to be able to copy that.
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374 """
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375 copy.deepcopy(self.default_builder)
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376
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377 def test_p_tag_is_never_empty_element(self):
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378 """A <p> tag is never designated as an empty-element tag.
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379
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380 Even if the markup shows it as an empty-element tag, it
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381 shouldn't be presented that way.
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382 """
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383 soup = self.soup("<p/>")
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384 self.assertFalse(soup.p.is_empty_element)
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385 self.assertEqual(str(soup.p), "<p></p>")
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386
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387 def test_unclosed_tags_get_closed(self):
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388 """A tag that's not closed by the end of the document should be closed.
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389
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390 This applies to all tags except empty-element tags.
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391 """
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392 self.assertSoupEquals("<p>", "<p></p>")
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393 self.assertSoupEquals("<b>", "<b></b>")
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394
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395 self.assertSoupEquals("<br>", "<br/>")
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396
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397 def test_br_is_always_empty_element_tag(self):
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398 """A <br> tag is designated as an empty-element tag.
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399
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400 Some parsers treat <br></br> as one <br/> tag, some parsers as
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401 two tags, but it should always be an empty-element tag.
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402 """
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403 soup = self.soup("<br></br>")
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404 self.assertTrue(soup.br.is_empty_element)
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405 self.assertEqual(str(soup.br), "<br/>")
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406
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407 def test_nested_formatting_elements(self):
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408 self.assertSoupEquals("<em><em></em></em>")
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409
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410 def test_double_head(self):
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411 html = '''<!DOCTYPE html>
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412 <html>
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413 <head>
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414 <title>Ordinary HEAD element test</title>
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415 </head>
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416 <script type="text/javascript">
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417 alert("Help!");
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418 </script>
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419 <body>
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420 Hello, world!
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421 </body>
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422 </html>
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423 '''
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424 soup = self.soup(html)
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425 self.assertEqual("text/javascript", soup.find('script')['type'])
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426
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427 def test_comment(self):
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428 # Comments are represented as Comment objects.
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429 markup = "<p>foo<!--foobar-->baz</p>"
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430 self.assertSoupEquals(markup)
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431
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432 soup = self.soup(markup)
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433 comment = soup.find(text="foobar")
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434 self.assertEqual(comment.__class__, Comment)
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435
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436 # The comment is properly integrated into the tree.
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437 foo = soup.find(text="foo")
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438 self.assertEqual(comment, foo.next_element)
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439 baz = soup.find(text="baz")
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440 self.assertEqual(comment, baz.previous_element)
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441
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442 def test_preserved_whitespace_in_pre_and_textarea(self):
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443 """Whitespace must be preserved in <pre> and <textarea> tags,
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444 even if that would mean not prettifying the markup.
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445 """
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446 pre_markup = "<pre> </pre>"
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447 textarea_markup = "<textarea> woo\nwoo </textarea>"
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448 self.assertSoupEquals(pre_markup)
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449 self.assertSoupEquals(textarea_markup)
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450
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451 soup = self.soup(pre_markup)
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452 self.assertEqual(soup.pre.prettify(), pre_markup)
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453
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454 soup = self.soup(textarea_markup)
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455 self.assertEqual(soup.textarea.prettify(), textarea_markup)
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456
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457 soup = self.soup("<textarea></textarea>")
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458 self.assertEqual(soup.textarea.prettify(), "<textarea></textarea>")
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459
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460 def test_nested_inline_elements(self):
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461 """Inline elements can be nested indefinitely."""
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462 b_tag = "<b>Inside a B tag</b>"
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463 self.assertSoupEquals(b_tag)
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464
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465 nested_b_tag = "<p>A <i>nested <b>tag</b></i></p>"
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466 self.assertSoupEquals(nested_b_tag)
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467
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468 double_nested_b_tag = "<p>A <a>doubly <i>nested <b>tag</b></i></a></p>"
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469 self.assertSoupEquals(nested_b_tag)
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470
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471 def test_nested_block_level_elements(self):
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472 """Block elements can be nested."""
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473 soup = self.soup('<blockquote><p><b>Foo</b></p></blockquote>')
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474 blockquote = soup.blockquote
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475 self.assertEqual(blockquote.p.b.string, 'Foo')
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476 self.assertEqual(blockquote.b.string, 'Foo')
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477
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478 def test_correctly_nested_tables(self):
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479 """One table can go inside another one."""
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480 markup = ('<table id="1">'
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481 '<tr>'
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482 "<td>Here's another table:"
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483 '<table id="2">'
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484 '<tr><td>foo</td></tr>'
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485 '</table></td>')
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486
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487 self.assertSoupEquals(
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488 markup,
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489 '<table id="1"><tr><td>Here\'s another table:'
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490 '<table id="2"><tr><td>foo</td></tr></table>'
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491 '</td></tr></table>')
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492
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493 self.assertSoupEquals(
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494 "<table><thead><tr><td>Foo</td></tr></thead>"
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495 "<tbody><tr><td>Bar</td></tr></tbody>"
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496 "<tfoot><tr><td>Baz</td></tr></tfoot></table>")
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497
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498 def test_multivalued_attribute_with_whitespace(self):
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499 # Whitespace separating the values of a multi-valued attribute
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500 # should be ignored.
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501
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502 markup = '<div class=" foo bar "></a>'
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503 soup = self.soup(markup)
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504 self.assertEqual(['foo', 'bar'], soup.div['class'])
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505
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506 # If you search by the literal name of the class it's like the whitespace
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507 # wasn't there.
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508 self.assertEqual(soup.div, soup.find('div', class_="foo bar"))
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509
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510 def test_deeply_nested_multivalued_attribute(self):
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511 # html5lib can set the attributes of the same tag many times
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512 # as it rearranges the tree. This has caused problems with
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513 # multivalued attributes.
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514 markup = '<table><div><div class="css"></div></div></table>'
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515 soup = self.soup(markup)
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516 self.assertEqual(["css"], soup.div.div['class'])
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517
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518 def test_multivalued_attribute_on_html(self):
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519 # html5lib uses a different API to set the attributes ot the
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520 # <html> tag. This has caused problems with multivalued
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521 # attributes.
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522 markup = '<html class="a b"></html>'
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523 soup = self.soup(markup)
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524 self.assertEqual(["a", "b"], soup.html['class'])
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525
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526 def test_angle_brackets_in_attribute_values_are_escaped(self):
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527 self.assertSoupEquals('<a b="<a>"></a>', '<a b="&lt;a&gt;"></a>')
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528
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529 def test_strings_resembling_character_entity_references(self):
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530 # "&T" and "&p" look like incomplete character entities, but they are
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531 # not.
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532 self.assertSoupEquals(
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533 "<p>&bull; AT&T is in the s&p 500</p>",
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534 "<p>\u2022 AT&amp;T is in the s&amp;p 500</p>"
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535 )
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536
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537 def test_apos_entity(self):
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538 self.assertSoupEquals(
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539 "<p>Bob&apos;s Bar</p>",
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540 "<p>Bob's Bar</p>",
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diff changeset
541 )
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542
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543 def test_entities_in_foreign_document_encoding(self):
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544 # &#147; and &#148; are invalid numeric entities referencing
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545 # Windows-1252 characters. &#45; references a character common
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546 # to Windows-1252 and Unicode, and &#9731; references a
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547 # character only found in Unicode.
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548 #
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549 # All of these entities should be converted to Unicode
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550 # characters.
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551 markup = "<p>&#147;Hello&#148; &#45;&#9731;</p>"
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552 soup = self.soup(markup)
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553 self.assertEqual("“Hello” -☃", soup.p.string)
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554
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555 def test_entities_in_attributes_converted_to_unicode(self):
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556 expect = '<p id="pi\N{LATIN SMALL LETTER N WITH TILDE}ata"></p>'
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557 self.assertSoupEquals('<p id="pi&#241;ata"></p>', expect)
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558 self.assertSoupEquals('<p id="pi&#xf1;ata"></p>', expect)
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559 self.assertSoupEquals('<p id="pi&#Xf1;ata"></p>', expect)
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560 self.assertSoupEquals('<p id="pi&ntilde;ata"></p>', expect)
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561
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562 def test_entities_in_text_converted_to_unicode(self):
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563 expect = '<p>pi\N{LATIN SMALL LETTER N WITH TILDE}ata</p>'
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564 self.assertSoupEquals("<p>pi&#241;ata</p>", expect)
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565 self.assertSoupEquals("<p>pi&#xf1;ata</p>", expect)
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566 self.assertSoupEquals("<p>pi&#Xf1;ata</p>", expect)
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567 self.assertSoupEquals("<p>pi&ntilde;ata</p>", expect)
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568
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569 def test_quot_entity_converted_to_quotation_mark(self):
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570 self.assertSoupEquals("<p>I said &quot;good day!&quot;</p>",
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571 '<p>I said "good day!"</p>')
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572
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573 def test_out_of_range_entity(self):
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574 expect = "\N{REPLACEMENT CHARACTER}"
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575 self.assertSoupEquals("&#10000000000000;", expect)
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576 self.assertSoupEquals("&#x10000000000000;", expect)
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577 self.assertSoupEquals("&#1000000000;", expect)
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578
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579 def test_multipart_strings(self):
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580 "Mostly to prevent a recurrence of a bug in the html5lib treebuilder."
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581 soup = self.soup("<html><h2>\nfoo</h2><p></p></html>")
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582 self.assertEqual("p", soup.h2.string.next_element.name)
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583 self.assertEqual("p", soup.p.name)
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584 self.assertConnectedness(soup)
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585
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586 def test_empty_element_tags(self):
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587 """Verify consistent handling of empty-element tags,
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588 no matter how they come in through the markup.
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589 """
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590 self.assertSoupEquals('<br/><br/><br/>', "<br/><br/><br/>")
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591 self.assertSoupEquals('<br /><br /><br />', "<br/><br/><br/>")
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592
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593 def test_head_tag_between_head_and_body(self):
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594 "Prevent recurrence of a bug in the html5lib treebuilder."
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595 content = """<html><head></head>
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596 <link></link>
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597 <body>foo</body>
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598 </html>
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599 """
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600 soup = self.soup(content)
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601 self.assertNotEqual(None, soup.html.body)
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602 self.assertConnectedness(soup)
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603
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604 def test_multiple_copies_of_a_tag(self):
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605 "Prevent recurrence of a bug in the html5lib treebuilder."
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606 content = """<!DOCTYPE html>
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607 <html>
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608 <body>
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609 <article id="a" >
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610 <div><a href="1"></div>
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611 <footer>
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612 <a href="2"></a>
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613 </footer>
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614 </article>
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615 </body>
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616 </html>
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617 """
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618 soup = self.soup(content)
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619 self.assertConnectedness(soup.article)
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620
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621 def test_basic_namespaces(self):
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622 """Parsers don't need to *understand* namespaces, but at the
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623 very least they should not choke on namespaces or lose
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624 data."""
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625
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626 markup = b'<html xmlns="http://www.w3.org/1999/xhtml" xmlns:mathml="http://www.w3.org/1998/Math/MathML" xmlns:svg="http://www.w3.org/2000/svg"><head></head><body><mathml:msqrt>4</mathml:msqrt><b svg:fill="red"></b></body></html>'
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627 soup = self.soup(markup)
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628 self.assertEqual(markup, soup.encode())
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629 html = soup.html
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630 self.assertEqual('http://www.w3.org/1999/xhtml', soup.html['xmlns'])
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diff changeset
631 self.assertEqual(
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632 'http://www.w3.org/1998/Math/MathML', soup.html['xmlns:mathml'])
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parents:
diff changeset
633 self.assertEqual(
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diff changeset
634 'http://www.w3.org/2000/svg', soup.html['xmlns:svg'])
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parents:
diff changeset
635
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diff changeset
636 def test_multivalued_attribute_value_becomes_list(self):
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diff changeset
637 markup = b'<a class="foo bar">'
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parents:
diff changeset
638 soup = self.soup(markup)
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diff changeset
639 self.assertEqual(['foo', 'bar'], soup.a['class'])
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parents:
diff changeset
640
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641 #
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
642 # Generally speaking, tests below this point are more tests of
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
643 # Beautiful Soup than tests of the tree builders. But parsers are
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parents:
diff changeset
644 # weird, so we run these tests separately for every tree builder
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guerler
parents:
diff changeset
645 # to detect any differences between them.
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parents:
diff changeset
646 #
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diff changeset
647
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diff changeset
648 def test_can_parse_unicode_document(self):
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diff changeset
649 # A seemingly innocuous document... but it's in Unicode! And
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parents:
diff changeset
650 # it contains characters that can't be represented in the
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guerler
parents:
diff changeset
651 # encoding found in the declaration! The horror!
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diff changeset
652 markup = '<html><head><meta encoding="euc-jp"></head><body>Sacr\N{LATIN SMALL LETTER E WITH ACUTE} bleu!</body>'
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diff changeset
653 soup = self.soup(markup)
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diff changeset
654 self.assertEqual('Sacr\xe9 bleu!', soup.body.string)
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diff changeset
655
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656 def test_soupstrainer(self):
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diff changeset
657 """Parsers should be able to work with SoupStrainers."""
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658 strainer = SoupStrainer("b")
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659 soup = self.soup("A <b>bold</b> <meta/> <i>statement</i>",
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660 parse_only=strainer)
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661 self.assertEqual(soup.decode(), "<b>bold</b>")
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662
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663 def test_single_quote_attribute_values_become_double_quotes(self):
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diff changeset
664 self.assertSoupEquals("<foo attr='bar'></foo>",
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parents:
diff changeset
665 '<foo attr="bar"></foo>')
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diff changeset
666
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667 def test_attribute_values_with_nested_quotes_are_left_alone(self):
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668 text = """<foo attr='bar "brawls" happen'>a</foo>"""
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diff changeset
669 self.assertSoupEquals(text)
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diff changeset
670
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671 def test_attribute_values_with_double_nested_quotes_get_quoted(self):
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672 text = """<foo attr='bar "brawls" happen'>a</foo>"""
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673 soup = self.soup(text)
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674 soup.foo['attr'] = 'Brawls happen at "Bob\'s Bar"'
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diff changeset
675 self.assertSoupEquals(
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diff changeset
676 soup.foo.decode(),
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diff changeset
677 """<foo attr="Brawls happen at &quot;Bob\'s Bar&quot;">a</foo>""")
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diff changeset
678
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diff changeset
679 def test_ampersand_in_attribute_value_gets_escaped(self):
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diff changeset
680 self.assertSoupEquals('<this is="really messed up & stuff"></this>',
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diff changeset
681 '<this is="really messed up &amp; stuff"></this>')
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parents:
diff changeset
682
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diff changeset
683 self.assertSoupEquals(
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diff changeset
684 '<a href="http://example.org?a=1&b=2;3">foo</a>',
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diff changeset
685 '<a href="http://example.org?a=1&amp;b=2;3">foo</a>')
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parents:
diff changeset
686
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diff changeset
687 def test_escaped_ampersand_in_attribute_value_is_left_alone(self):
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diff changeset
688 self.assertSoupEquals('<a href="http://example.org?a=1&amp;b=2;3"></a>')
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689
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diff changeset
690 def test_entities_in_strings_converted_during_parsing(self):
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parents:
diff changeset
691 # Both XML and HTML entities are converted to Unicode characters
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diff changeset
692 # during parsing.
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diff changeset
693 text = "<p>&lt;&lt;sacr&eacute;&#32;bleu!&gt;&gt;</p>"
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diff changeset
694 expected = "<p>&lt;&lt;sacr\N{LATIN SMALL LETTER E WITH ACUTE} bleu!&gt;&gt;</p>"
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diff changeset
695 self.assertSoupEquals(text, expected)
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696
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diff changeset
697 def test_smart_quotes_converted_on_the_way_in(self):
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diff changeset
698 # Microsoft smart quotes are converted to Unicode characters during
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guerler
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diff changeset
699 # parsing.
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700 quote = b"<p>\x91Foo\x92</p>"
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701 soup = self.soup(quote)
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diff changeset
702 self.assertEqual(
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703 soup.p.string,
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diff changeset
704 "\N{LEFT SINGLE QUOTATION MARK}Foo\N{RIGHT SINGLE QUOTATION MARK}")
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diff changeset
705
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diff changeset
706 def test_non_breaking_spaces_converted_on_the_way_in(self):
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diff changeset
707 soup = self.soup("<a>&nbsp;&nbsp;</a>")
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diff changeset
708 self.assertEqual(soup.a.string, "\N{NO-BREAK SPACE}" * 2)
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709
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diff changeset
710 def test_entities_converted_on_the_way_out(self):
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diff changeset
711 text = "<p>&lt;&lt;sacr&eacute;&#32;bleu!&gt;&gt;</p>"
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parents:
diff changeset
712 expected = "<p>&lt;&lt;sacr\N{LATIN SMALL LETTER E WITH ACUTE} bleu!&gt;&gt;</p>".encode("utf-8")
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diff changeset
713 soup = self.soup(text)
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parents:
diff changeset
714 self.assertEqual(soup.p.encode("utf-8"), expected)
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parents:
diff changeset
715
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diff changeset
716 def test_real_iso_latin_document(self):
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parents:
diff changeset
717 # Smoke test of interrelated functionality, using an
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guerler
parents:
diff changeset
718 # easy-to-understand document.
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guerler
parents:
diff changeset
719
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parents:
diff changeset
720 # Here it is in Unicode. Note that it claims to be in ISO-Latin-1.
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guerler
parents:
diff changeset
721 unicode_html = '<html><head><meta content="text/html; charset=ISO-Latin-1" http-equiv="Content-type"/></head><body><p>Sacr\N{LATIN SMALL LETTER E WITH ACUTE} bleu!</p></body></html>'
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guerler
parents:
diff changeset
722
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guerler
parents:
diff changeset
723 # That's because we're going to encode it into ISO-Latin-1, and use
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
724 # that to test.
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diff changeset
725 iso_latin_html = unicode_html.encode("iso-8859-1")
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guerler
parents:
diff changeset
726
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parents:
diff changeset
727 # Parse the ISO-Latin-1 HTML.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
728 soup = self.soup(iso_latin_html)
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guerler
parents:
diff changeset
729 # Encode it to UTF-8.
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parents:
diff changeset
730 result = soup.encode("utf-8")
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parents:
diff changeset
731
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parents:
diff changeset
732 # What do we expect the result to look like? Well, it would
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
733 # look like unicode_html, except that the META tag would say
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parents:
diff changeset
734 # UTF-8 instead of ISO-Latin-1.
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guerler
parents:
diff changeset
735 expected = unicode_html.replace("ISO-Latin-1", "utf-8")
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parents:
diff changeset
736
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parents:
diff changeset
737 # And, of course, it would be in UTF-8, not Unicode.
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guerler
parents:
diff changeset
738 expected = expected.encode("utf-8")
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parents:
diff changeset
739
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
740 # Ta-da!
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
741 self.assertEqual(result, expected)
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parents:
diff changeset
742
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parents:
diff changeset
743 def test_real_shift_jis_document(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
744 # Smoke test to make sure the parser can handle a document in
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
745 # Shift-JIS encoding, without choking.
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guerler
parents:
diff changeset
746 shift_jis_html = (
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
747 b'<html><head></head><body><pre>'
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
748 b'\x82\xb1\x82\xea\x82\xcdShift-JIS\x82\xc5\x83R\x81[\x83f'
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
749 b'\x83B\x83\x93\x83O\x82\xb3\x82\xea\x82\xbd\x93\xfa\x96{\x8c'
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
750 b'\xea\x82\xcc\x83t\x83@\x83C\x83\x8b\x82\xc5\x82\xb7\x81B'
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
751 b'</pre></body></html>')
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parents:
diff changeset
752 unicode_html = shift_jis_html.decode("shift-jis")
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guerler
parents:
diff changeset
753 soup = self.soup(unicode_html)
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guerler
parents:
diff changeset
754
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guerler
parents:
diff changeset
755 # Make sure the parse tree is correctly encoded to various
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
756 # encodings.
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guerler
parents:
diff changeset
757 self.assertEqual(soup.encode("utf-8"), unicode_html.encode("utf-8"))
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guerler
parents:
diff changeset
758 self.assertEqual(soup.encode("euc_jp"), unicode_html.encode("euc_jp"))
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guerler
parents:
diff changeset
759
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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diff changeset
760 def test_real_hebrew_document(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
761 # A real-world test to make sure we can convert ISO-8859-9 (a
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
762 # Hebrew encoding) to UTF-8.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
763 hebrew_document = b'<html><head><title>Hebrew (ISO 8859-8) in Visual Directionality</title></head><body><h1>Hebrew (ISO 8859-8) in Visual Directionality</h1>\xed\xe5\xec\xf9</body></html>'
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guerler
parents:
diff changeset
764 soup = self.soup(
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guerler
parents:
diff changeset
765 hebrew_document, from_encoding="iso8859-8")
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guerler
parents:
diff changeset
766 # Some tree builders call it iso8859-8, others call it iso-8859-9.
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guerler
parents:
diff changeset
767 # That's not a difference we really care about.
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guerler
parents:
diff changeset
768 assert soup.original_encoding in ('iso8859-8', 'iso-8859-8')
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guerler
parents:
diff changeset
769 self.assertEqual(
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parents:
diff changeset
770 soup.encode('utf-8'),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
771 hebrew_document.decode("iso8859-8").encode("utf-8"))
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guerler
parents:
diff changeset
772
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
773 def test_meta_tag_reflects_current_encoding(self):
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guerler
parents:
diff changeset
774 # Here's the <meta> tag saying that a document is
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
775 # encoded in Shift-JIS.
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guerler
parents:
diff changeset
776 meta_tag = ('<meta content="text/html; charset=x-sjis" '
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parents:
diff changeset
777 'http-equiv="Content-type"/>')
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guerler
parents:
diff changeset
778
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parents:
diff changeset
779 # Here's a document incorporating that meta tag.
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parents:
diff changeset
780 shift_jis_html = (
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parents:
diff changeset
781 '<html><head>\n%s\n'
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guerler
parents:
diff changeset
782 '<meta http-equiv="Content-language" content="ja"/>'
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guerler
parents:
diff changeset
783 '</head><body>Shift-JIS markup goes here.') % meta_tag
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guerler
parents:
diff changeset
784 soup = self.soup(shift_jis_html)
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parents:
diff changeset
785
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parents:
diff changeset
786 # Parse the document, and the charset is seemingly unaffected.
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parents:
diff changeset
787 parsed_meta = soup.find('meta', {'http-equiv': 'Content-type'})
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parents:
diff changeset
788 content = parsed_meta['content']
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parents:
diff changeset
789 self.assertEqual('text/html; charset=x-sjis', content)
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guerler
parents:
diff changeset
790
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guerler
parents:
diff changeset
791 # But that value is actually a ContentMetaAttributeValue object.
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parents:
diff changeset
792 self.assertTrue(isinstance(content, ContentMetaAttributeValue))
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guerler
parents:
diff changeset
793
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guerler
parents:
diff changeset
794 # And it will take on a value that reflects its current
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guerler
parents:
diff changeset
795 # encoding.
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parents:
diff changeset
796 self.assertEqual('text/html; charset=utf8', content.encode("utf8"))
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guerler
parents:
diff changeset
797
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parents:
diff changeset
798 # For the rest of the story, see TestSubstitutions in
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guerler
parents:
diff changeset
799 # test_tree.py.
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parents:
diff changeset
800
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parents:
diff changeset
801 def test_html5_style_meta_tag_reflects_current_encoding(self):
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guerler
parents:
diff changeset
802 # Here's the <meta> tag saying that a document is
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
803 # encoded in Shift-JIS.
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parents:
diff changeset
804 meta_tag = ('<meta id="encoding" charset="x-sjis" />')
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guerler
parents:
diff changeset
805
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
806 # Here's a document incorporating that meta tag.
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parents:
diff changeset
807 shift_jis_html = (
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parents:
diff changeset
808 '<html><head>\n%s\n'
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parents:
diff changeset
809 '<meta http-equiv="Content-language" content="ja"/>'
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guerler
parents:
diff changeset
810 '</head><body>Shift-JIS markup goes here.') % meta_tag
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guerler
parents:
diff changeset
811 soup = self.soup(shift_jis_html)
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parents:
diff changeset
812
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parents:
diff changeset
813 # Parse the document, and the charset is seemingly unaffected.
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parents:
diff changeset
814 parsed_meta = soup.find('meta', id="encoding")
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parents:
diff changeset
815 charset = parsed_meta['charset']
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diff changeset
816 self.assertEqual('x-sjis', charset)
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parents:
diff changeset
817
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
818 # But that value is actually a CharsetMetaAttributeValue object.
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parents:
diff changeset
819 self.assertTrue(isinstance(charset, CharsetMetaAttributeValue))
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parents:
diff changeset
820
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parents:
diff changeset
821 # And it will take on a value that reflects its current
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
822 # encoding.
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diff changeset
823 self.assertEqual('utf8', charset.encode("utf8"))
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parents:
diff changeset
824
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diff changeset
825 def test_python_specific_encodings_not_used_in_charset(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
826 # You can encode an HTML document using a Python-specific
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
827 # encoding, but that encoding won't be mentioned _inside_ the
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guerler
parents:
diff changeset
828 # resulting document. Instead, the document will appear to
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
829 # have no encoding.
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
830 for markup in [
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diff changeset
831 b'<meta charset="utf8"></head>'
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parents:
diff changeset
832 b'<meta id="encoding" charset="utf-8" />'
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guerler
parents:
diff changeset
833 ]:
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diff changeset
834 soup = self.soup(markup)
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parents:
diff changeset
835 for encoding in PYTHON_SPECIFIC_ENCODINGS:
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guerler
parents:
diff changeset
836 if encoding in (
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
837 'idna', 'mbcs', 'oem', 'undefined',
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parents:
diff changeset
838 'string_escape', 'string-escape'
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parents:
diff changeset
839 ):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
840 # For one reason or another, these will raise an
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
841 # exception if we actually try to use them, so don't
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
842 # bother.
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diff changeset
843 continue
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diff changeset
844 encoded = soup.encode(encoding)
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parents:
diff changeset
845 assert b'meta charset=""' in encoded
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parents:
diff changeset
846 assert encoding.encode("ascii") not in encoded
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parents:
diff changeset
847
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diff changeset
848 def test_tag_with_no_attributes_can_have_attributes_added(self):
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parents:
diff changeset
849 data = self.soup("<a>text</a>")
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parents:
diff changeset
850 data.a['foo'] = 'bar'
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parents:
diff changeset
851 self.assertEqual('<a foo="bar">text</a>', data.a.decode())
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guerler
parents:
diff changeset
852
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parents:
diff changeset
853 def test_worst_case(self):
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parents:
diff changeset
854 """Test the worst case (currently) for linking issues."""
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parents:
diff changeset
855
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parents:
diff changeset
856 soup = self.soup(BAD_DOCUMENT)
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parents:
diff changeset
857 self.linkage_validator(soup)
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parents:
diff changeset
858
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parents:
diff changeset
859
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parents:
diff changeset
860 class XMLTreeBuilderSmokeTest(object):
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diff changeset
861
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parents:
diff changeset
862 def test_pickle_and_unpickle_identity(self):
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parents:
diff changeset
863 # Pickling a tree, then unpickling it, yields a tree identical
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
864 # to the original.
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parents:
diff changeset
865 tree = self.soup("<a><b>foo</a>")
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guerler
parents:
diff changeset
866 dumped = pickle.dumps(tree, 2)
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guerler
parents:
diff changeset
867 loaded = pickle.loads(dumped)
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guerler
parents:
diff changeset
868 self.assertEqual(loaded.__class__, BeautifulSoup)
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guerler
parents:
diff changeset
869 self.assertEqual(loaded.decode(), tree.decode())
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guerler
parents:
diff changeset
870
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parents:
diff changeset
871 def test_docstring_generated(self):
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diff changeset
872 soup = self.soup("<root/>")
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diff changeset
873 self.assertEqual(
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diff changeset
874 soup.encode(), b'<?xml version="1.0" encoding="utf-8"?>\n<root/>')
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guerler
parents:
diff changeset
875
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
876 def test_xml_declaration(self):
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parents:
diff changeset
877 markup = b"""<?xml version="1.0" encoding="utf8"?>\n<foo/>"""
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guerler
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diff changeset
878 soup = self.soup(markup)
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parents:
diff changeset
879 self.assertEqual(markup, soup.encode("utf8"))
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guerler
parents:
diff changeset
880
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parents:
diff changeset
881 def test_python_specific_encodings_not_used_in_xml_declaration(self):
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guerler
parents:
diff changeset
882 # You can encode an XML document using a Python-specific
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guerler
parents:
diff changeset
883 # encoding, but that encoding won't be mentioned _inside_ the
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parents:
diff changeset
884 # resulting document.
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guerler
parents:
diff changeset
885 markup = b"""<?xml version="1.0"?>\n<foo/>"""
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guerler
parents:
diff changeset
886 soup = self.soup(markup)
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parents:
diff changeset
887 for encoding in PYTHON_SPECIFIC_ENCODINGS:
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guerler
parents:
diff changeset
888 if encoding in (
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parents:
diff changeset
889 'idna', 'mbcs', 'oem', 'undefined',
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guerler
parents:
diff changeset
890 'string_escape', 'string-escape'
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parents:
diff changeset
891 ):
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parents:
diff changeset
892 # For one reason or another, these will raise an
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
893 # exception if we actually try to use them, so don't
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parents:
diff changeset
894 # bother.
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parents:
diff changeset
895 continue
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parents:
diff changeset
896 encoded = soup.encode(encoding)
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parents:
diff changeset
897 assert b'<?xml version="1.0"?>' in encoded
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parents:
diff changeset
898 assert encoding.encode("ascii") not in encoded
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parents:
diff changeset
899
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diff changeset
900 def test_processing_instruction(self):
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parents:
diff changeset
901 markup = b"""<?xml version="1.0" encoding="utf8"?>\n<?PITarget PIContent?>"""
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parents:
diff changeset
902 soup = self.soup(markup)
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parents:
diff changeset
903 self.assertEqual(markup, soup.encode("utf8"))
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parents:
diff changeset
904
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parents:
diff changeset
905 def test_real_xhtml_document(self):
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parents:
diff changeset
906 """A real XHTML document should come out *exactly* the same as it went in."""
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guerler
parents:
diff changeset
907 markup = b"""<?xml version="1.0" encoding="utf-8"?>
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parents:
diff changeset
908 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN">
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guerler
parents:
diff changeset
909 <html xmlns="http://www.w3.org/1999/xhtml">
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guerler
parents:
diff changeset
910 <head><title>Hello.</title></head>
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guerler
parents:
diff changeset
911 <body>Goodbye.</body>
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guerler
parents:
diff changeset
912 </html>"""
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guerler
parents:
diff changeset
913 soup = self.soup(markup)
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guerler
parents:
diff changeset
914 self.assertEqual(
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parents:
diff changeset
915 soup.encode("utf-8"), markup)
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parents:
diff changeset
916
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parents:
diff changeset
917 def test_nested_namespaces(self):
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guerler
parents:
diff changeset
918 doc = b"""<?xml version="1.0" encoding="utf-8"?>
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guerler
parents:
diff changeset
919 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
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parents:
diff changeset
920 <parent xmlns="http://ns1/">
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guerler
parents:
diff changeset
921 <child xmlns="http://ns2/" xmlns:ns3="http://ns3/">
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parents:
diff changeset
922 <grandchild ns3:attr="value" xmlns="http://ns4/"/>
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parents:
diff changeset
923 </child>
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parents:
diff changeset
924 </parent>"""
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parents:
diff changeset
925 soup = self.soup(doc)
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parents:
diff changeset
926 self.assertEqual(doc, soup.encode())
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guerler
parents:
diff changeset
927
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parents:
diff changeset
928 def test_formatter_processes_script_tag_for_xml_documents(self):
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parents:
diff changeset
929 doc = """
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guerler
parents:
diff changeset
930 <script type="text/javascript">
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guerler
parents:
diff changeset
931 </script>
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guerler
parents:
diff changeset
932 """
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guerler
parents:
diff changeset
933 soup = BeautifulSoup(doc, "lxml-xml")
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guerler
parents:
diff changeset
934 # lxml would have stripped this while parsing, but we can add
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
935 # it later.
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guerler
parents:
diff changeset
936 soup.script.string = 'console.log("< < hey > > ");'
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parents:
diff changeset
937 encoded = soup.encode()
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guerler
parents:
diff changeset
938 self.assertTrue(b"&lt; &lt; hey &gt; &gt;" in encoded)
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guerler
parents:
diff changeset
939
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parents:
diff changeset
940 def test_can_parse_unicode_document(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
941 markup = '<?xml version="1.0" encoding="euc-jp"><root>Sacr\N{LATIN SMALL LETTER E WITH ACUTE} bleu!</root>'
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parents:
diff changeset
942 soup = self.soup(markup)
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guerler
parents:
diff changeset
943 self.assertEqual('Sacr\xe9 bleu!', soup.root.string)
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guerler
parents:
diff changeset
944
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parents:
diff changeset
945 def test_popping_namespaced_tag(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
946 markup = '<rss xmlns:dc="foo"><dc:creator>b</dc:creator><dc:date>2012-07-02T20:33:42Z</dc:date><dc:rights>c</dc:rights><image>d</image></rss>'
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guerler
parents:
diff changeset
947 soup = self.soup(markup)
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guerler
parents:
diff changeset
948 self.assertEqual(
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guerler
parents:
diff changeset
949 str(soup.rss), markup)
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guerler
parents:
diff changeset
950
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parents:
diff changeset
951 def test_docstring_includes_correct_encoding(self):
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guerler
parents:
diff changeset
952 soup = self.soup("<root/>")
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guerler
parents:
diff changeset
953 self.assertEqual(
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guerler
parents:
diff changeset
954 soup.encode("latin1"),
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
955 b'<?xml version="1.0" encoding="latin1"?>\n<root/>')
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
956
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
957 def test_large_xml_document(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
958 """A large XML document should come out the same as it went in."""
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
959 markup = (b'<?xml version="1.0" encoding="utf-8"?>\n<root>'
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
960 + b'0' * (2**12)
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
961 + b'</root>')
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parents:
diff changeset
962 soup = self.soup(markup)
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parents:
diff changeset
963 self.assertEqual(soup.encode("utf-8"), markup)
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guerler
parents:
diff changeset
964
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
965
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
966 def test_tags_are_empty_element_if_and_only_if_they_are_empty(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
967 self.assertSoupEquals("<p>", "<p/>")
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
968 self.assertSoupEquals("<p>foo</p>")
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guerler
parents:
diff changeset
969
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
970 def test_namespaces_are_preserved(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
971 markup = '<root xmlns:a="http://example.com/" xmlns:b="http://example.net/"><a:foo>This tag is in the a namespace</a:foo><b:foo>This tag is in the b namespace</b:foo></root>'
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
972 soup = self.soup(markup)
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guerler
parents:
diff changeset
973 root = soup.root
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
974 self.assertEqual("http://example.com/", root['xmlns:a'])
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guerler
parents:
diff changeset
975 self.assertEqual("http://example.net/", root['xmlns:b'])
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
976
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
977 def test_closing_namespaced_tag(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
978 markup = '<p xmlns:dc="http://purl.org/dc/elements/1.1/"><dc:date>20010504</dc:date></p>'
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
979 soup = self.soup(markup)
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guerler
parents:
diff changeset
980 self.assertEqual(str(soup.p), markup)
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guerler
parents:
diff changeset
981
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parents:
diff changeset
982 def test_namespaced_attributes(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
983 markup = '<foo xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><bar xsi:schemaLocation="http://www.example.com"/></foo>'
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guerler
parents:
diff changeset
984 soup = self.soup(markup)
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guerler
parents:
diff changeset
985 self.assertEqual(str(soup.foo), markup)
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guerler
parents:
diff changeset
986
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
987 def test_namespaced_attributes_xml_namespace(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
988 markup = '<foo xml:lang="fr">bar</foo>'
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guerler
parents:
diff changeset
989 soup = self.soup(markup)
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parents:
diff changeset
990 self.assertEqual(str(soup.foo), markup)
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parents:
diff changeset
991
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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parents:
diff changeset
992 def test_find_by_prefixed_name(self):
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
993 doc = """<?xml version="1.0" encoding="utf-8"?>
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
994 <Document xmlns="http://example.com/ns0"
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guerler
parents:
diff changeset
995 xmlns:ns1="http://example.com/ns1"
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guerler
parents:
diff changeset
996 xmlns:ns2="http://example.com/ns2"
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guerler
parents:
diff changeset
997 <ns1:tag>foo</ns1:tag>
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
998 <ns1:tag>bar</ns1:tag>
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
999 <ns2:tag key="value">baz</ns2:tag>
d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
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1000 </Document>
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1001 """
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1002 soup = self.soup(doc)
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1003
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1004 # There are three <tag> tags.
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1005 self.assertEqual(3, len(soup.find_all('tag')))
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1006
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1007 # But two of them are ns1:tag and one of them is ns2:tag.
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1008 self.assertEqual(2, len(soup.find_all('ns1:tag')))
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1009 self.assertEqual(1, len(soup.find_all('ns2:tag')))
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1010
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1011 self.assertEqual(1, len(soup.find_all('ns2:tag', key='value')))
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1012 self.assertEqual(3, len(soup.find_all(['ns1:tag', 'ns2:tag'])))
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1013
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1014 def test_copy_tag_preserves_namespace(self):
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1015 xml = """<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
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1016 <w:document xmlns:w="http://example.com/ns0"/>"""
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1017
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1018 soup = self.soup(xml)
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1019 tag = soup.document
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1020 duplicate = copy.copy(tag)
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1021
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1022 # The two tags have the same namespace prefix.
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1023 self.assertEqual(tag.prefix, duplicate.prefix)
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1024
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1025 def test_worst_case(self):
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1026 """Test the worst case (currently) for linking issues."""
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1027
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1028 soup = self.soup(BAD_DOCUMENT)
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1029 self.linkage_validator(soup)
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1030
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1031
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1032 class HTML5TreeBuilderSmokeTest(HTMLTreeBuilderSmokeTest):
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1033 """Smoke test for a tree builder that supports HTML5."""
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1034
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1035 def test_real_xhtml_document(self):
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1036 # Since XHTML is not HTML5, HTML5 parsers are not tested to handle
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1037 # XHTML documents in any particular way.
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1038 pass
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1039
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1040 def test_html_tags_have_namespace(self):
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1041 markup = "<a>"
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1042 soup = self.soup(markup)
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1043 self.assertEqual("http://www.w3.org/1999/xhtml", soup.a.namespace)
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1044
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1045 def test_svg_tags_have_namespace(self):
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1046 markup = '<svg><circle/></svg>'
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1047 soup = self.soup(markup)
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1048 namespace = "http://www.w3.org/2000/svg"
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1049 self.assertEqual(namespace, soup.svg.namespace)
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1050 self.assertEqual(namespace, soup.circle.namespace)
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1051
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1052
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1053 def test_mathml_tags_have_namespace(self):
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1054 markup = '<math><msqrt>5</msqrt></math>'
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1055 soup = self.soup(markup)
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1056 namespace = 'http://www.w3.org/1998/Math/MathML'
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1057 self.assertEqual(namespace, soup.math.namespace)
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1058 self.assertEqual(namespace, soup.msqrt.namespace)
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1059
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1060 def test_xml_declaration_becomes_comment(self):
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1061 markup = '<?xml version="1.0" encoding="utf-8"?><html></html>'
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1062 soup = self.soup(markup)
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1063 self.assertTrue(isinstance(soup.contents[0], Comment))
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1064 self.assertEqual(soup.contents[0], '?xml version="1.0" encoding="utf-8"?')
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1065 self.assertEqual("html", soup.contents[0].next_element.name)
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1066
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1067 def skipIf(condition, reason):
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1068 def nothing(test, *args, **kwargs):
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1069 return None
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1070
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1071 def decorator(test_item):
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1072 if condition:
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1073 return nothing
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1074 else:
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1075 return test_item
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1076
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1077 return decorator