Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/gumbo-parser/python/gumbo/html5lib_adapter_test.py @ 40:aa33339d6b8a upstream

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
ADD: MuPDF v1.26.10: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.5.
author Franz Glasner <fzglas.hg@dom66.de>
date Sat, 11 Oct 2025 11:31:38 +0200
parents b50eed0cc0ef
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 # Copyright 2012 Google Inc. All Rights Reserved.
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2 #
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3 # Licensed under the Apache License, Version 2.0 (the "License");
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4 # you may not use this file except in compliance with the License.
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5 # You may obtain a copy of the License at
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6 #
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7 # http://www.apache.org/licenses/LICENSE-2.0
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8 #
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9 # Unless required by applicable law or agreed to in writing, software
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10 # distributed under the License is distributed on an "AS IS" BASIS,
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11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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12 # See the License for the specific language governing permissions and
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13 # limitations under the License.
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14 #
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15 """Tests for the Gumbo => Html5lib adapter."""
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16 import codecs
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17 import collections
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18 import glob
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19 import os
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20 import re
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21 import StringIO
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22 import unittest
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23 import warnings
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24
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25 from html5lib import treebuilders
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27 import html5lib_adapter
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29
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30 TREEBUILDER = treebuilders.getTreeBuilder('dom')
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31 TESTDATA_BASE_PATH = os.path.join(
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32 os.path.split(__file__)[0], '..', '..')
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33
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34
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35 # Copied from html5lib.tests/test_parser.py
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36 def convertTreeDump(data):
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37 return "\n".join(convertExpected(data, 3).split("\n")[1:])
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38
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39
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40 # Copied/adapted/simplified from html5lib.tests/support.py
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41 def html5lib_test_files():
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42 return glob.glob(os.path.join(
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43 TESTDATA_BASE_PATH, 'testdata', 'tree-construction', '*.dat'))
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44
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45
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46 class TestData(object):
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47 def __init__(self, filename):
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48 self.f = codecs.open(filename, encoding="utf8")
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49
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50 def __iter__(self):
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51 data = collections.defaultdict(lambda: None)
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52 key=None
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53 for line in self.f:
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54 heading = self.isSectionHeading(line)
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55 if heading:
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56 if data and heading == 'data':
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57 #Remove trailing newline
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58 data[key] = data[key][:-1]
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59 yield self.normaliseOutput(data)
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60 data = collections.defaultdict(lambda: None)
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61 key = heading
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62 data[key] = ''
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63 elif key is not None:
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64 data[key] += line
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65 if data:
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66 yield self.normaliseOutput(data)
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67
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68 def isSectionHeading(self, line):
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69 """If the current heading is a test section heading return the heading,
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70 otherwise return False"""
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71 if line.startswith("#"):
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72 return line[1:].strip()
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73 else:
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74 return False
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75
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76 def normaliseOutput(self, data):
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77 # Remove trailing newlines
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78 for key, value in data.iteritems():
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79 if value.endswith("\n"):
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80 data[key] = value[:-1]
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81 return data
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82
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83 def convertExpected(data, stripChars):
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84 """convert the output of str(document) to the format used in the testcases"""
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85 data = data.split("\n")
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86 rv = []
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87 for line in data:
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88 if line.startswith("|"):
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89 rv.append(line[stripChars:])
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90 else:
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91 rv.append(line)
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92 return "\n".join(rv)
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93
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94 def reformatTemplateContents(expected):
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95 lines = expected.split('\n')
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96 retval = []
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97 template_indents = []
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98 for line in lines:
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99 line_stripped = line.strip()
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100 indent = len(line) - len(line_stripped)
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101 if line_stripped == 'content':
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102 template_indents.append(indent)
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103 continue
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104 while template_indents and indent <= template_indents[-1]:
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105 template_indents.pop()
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106 if template_indents:
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107 line = line[2 * len(template_indents):]
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108 retval.append(line)
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109 return '\n'.join(retval)
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110
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111 class Html5libAdapterTest(unittest.TestCase):
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112 """Adapter between Gumbo and the html5lib tests.
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113
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114 This works through a bit of magic. It's an empty class at first, but then
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115 buildTestCases runs through the test files in html5lib, and adds a
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116 method to this class for each one. That method acts like
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117 test_parser.TestCase.runParserTest, running a parse, serializing the tree, and
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118 comparing it to the expected output.
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119
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120 The vague name is so nosetests doesn't try to run it as a test.
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121 """
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122 def impl(self, inner_html, input, expected, errors):
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123 p = html5lib_adapter.HTMLParser(
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124 tree=TREEBUILDER(namespaceHTMLElements=True))
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125
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126 if inner_html:
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127 document = p.parseFragment(
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128 StringIO.StringIO(input), inner_html.replace('math ', 'mathml '))
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129 else:
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130 document = p.parse(StringIO.StringIO(input))
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131
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132 with warnings.catch_warnings():
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133 # Etree serializer in html5lib uses a deprecated getchildren() API.
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134 warnings.filterwarnings('ignore', category=DeprecationWarning)
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135 output = convertTreeDump(p.tree.testSerializer(document))
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136
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137 expected = re.compile(r'^(\s*)<(\S+)>', re.M).sub(
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138 r'\1<html \2>', convertExpected(expected, 2))
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139 # html5lib doesn't yet support the template tag, but it appears in the
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140 # tests with the expectation that the template contents will be under the
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141 # word 'contents', so we need to reformat that string a bit.
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142 expected = reformatTemplateContents(expected)
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143
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144 error_msg = '\n'.join(['\n\nInput:', input, '\nExpected:', expected,
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145 '\nReceived:', output])
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146 self.assertEquals(expected, output,
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147 error_msg.encode('ascii', 'xmlcharrefreplace') + '\n')
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148 # TODO(jdtang): Check error messages, when there's full error support.
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149
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150
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151 def BuildTestCases(cls):
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152 for filename in html5lib_test_files():
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153 test_name = os.path.basename(filename).replace('.dat', '')
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154 for i, test in enumerate(TestData(filename)):
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155 # html5lib parses <noscript> tags as if the scripting-enabled flag is
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156 # set, while we parse as if the scripting-disabled flag is set (since we
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157 # don't really support scripting and the resulting parse tree is often
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158 # more useful for toolsmiths). That means our output will differ by
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159 # design from html5lib's, so we disable any of their tests that involve
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160 # <noscript>
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161 if '<noscript>' in test['data']:
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162 continue
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163
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164 # <command> has been renamed to <menuitem> in recent versions of the spec.
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165 # html5lib 0.95 does not include this yet, and so we disable tests that
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166 # include the old tag.
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167 if '<command>' in test['data']:
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168 continue
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169
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170 def test_func(
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171 self,
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172 inner_html=test['document-fragment'],
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173 input=test['data'],
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174 expected=test['document'],
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175 errors=test.get('errors', '').split('\n')):
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176 return self.impl(inner_html, input, expected, errors)
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177 test_func.__name__ = 'test_%s_%d' % (test_name, i + 1)
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178 setattr(cls, test_func.__name__, test_func)
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179
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180
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181 if __name__ == '__main__':
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182 BuildTestCases(Html5libAdapterTest)
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183 unittest.main()