mirror of https://github.com/morpheus65535/bazarr
206 lines
8.1 KiB
Python
206 lines
8.1 KiB
Python
from __future__ import absolute_import, division, unicode_literals
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import itertools
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import sys
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from six import unichr, text_type
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import pytest
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try:
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import lxml.etree
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except ImportError:
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pass
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from .support import treeTypes
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from html5lib import html5parser, treewalkers
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from html5lib.filters.lint import Filter as Lint
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import re
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attrlist = re.compile(r"^(\s+)\w+=.*(\n\1\w+=.*)+", re.M)
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def sortattrs(x):
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lines = x.group(0).split("\n")
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lines.sort()
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return "\n".join(lines)
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def test_all_tokens():
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expected = [
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{'data': {}, 'type': 'StartTag', 'namespace': 'http://www.w3.org/1999/xhtml', 'name': 'html'},
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{'data': {}, 'type': 'StartTag', 'namespace': 'http://www.w3.org/1999/xhtml', 'name': 'head'},
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{'type': 'EndTag', 'namespace': 'http://www.w3.org/1999/xhtml', 'name': 'head'},
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{'data': {}, 'type': 'StartTag', 'namespace': 'http://www.w3.org/1999/xhtml', 'name': 'body'},
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{'data': 'a', 'type': 'Characters'},
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{'data': {}, 'type': 'StartTag', 'namespace': 'http://www.w3.org/1999/xhtml', 'name': 'div'},
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{'data': 'b', 'type': 'Characters'},
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{'type': 'EndTag', 'namespace': 'http://www.w3.org/1999/xhtml', 'name': 'div'},
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{'data': 'c', 'type': 'Characters'},
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{'type': 'EndTag', 'namespace': 'http://www.w3.org/1999/xhtml', 'name': 'body'},
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{'type': 'EndTag', 'namespace': 'http://www.w3.org/1999/xhtml', 'name': 'html'}
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]
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for _, treeCls in sorted(treeTypes.items()):
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if treeCls is None:
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continue
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p = html5parser.HTMLParser(tree=treeCls["builder"])
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document = p.parse("<html><head></head><body>a<div>b</div>c</body></html>")
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document = treeCls.get("adapter", lambda x: x)(document)
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output = Lint(treeCls["walker"](document))
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for expectedToken, outputToken in zip(expected, output):
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assert expectedToken == outputToken
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def set_attribute_on_first_child(docfrag, name, value, treeName):
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"""naively sets an attribute on the first child of the document
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fragment passed in"""
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setter = {'ElementTree': lambda d: d[0].set,
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'DOM': lambda d: d.firstChild.setAttribute}
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setter['cElementTree'] = setter['ElementTree']
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try:
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setter.get(treeName, setter['DOM'])(docfrag)(name, value)
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except AttributeError:
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setter['ElementTree'](docfrag)(name, value)
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def param_treewalker_six_mix():
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"""Str/Unicode mix. If str attrs added to tree"""
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# On Python 2.x string literals are of type str. Unless, like this
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# file, the programmer imports unicode_literals from __future__.
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# In that case, string literals become objects of type unicode.
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# This test simulates a Py2 user, modifying attributes on a document
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# fragment but not using the u'' syntax nor importing unicode_literals
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sm_tests = [
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('<a href="http://example.com">Example</a>',
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[(str('class'), str('test123'))],
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'<a>\n class="test123"\n href="http://example.com"\n "Example"'),
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('<link href="http://example.com/cow">',
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[(str('rel'), str('alternate'))],
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'<link>\n href="http://example.com/cow"\n rel="alternate"\n "Example"')
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]
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for tree in sorted(treeTypes.items()):
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for intext, attrs, expected in sm_tests:
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yield intext, expected, attrs, tree
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@pytest.mark.parametrize("intext, expected, attrs_to_add, tree", param_treewalker_six_mix())
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def test_treewalker_six_mix(intext, expected, attrs_to_add, tree):
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"""tests what happens when we add attributes to the intext"""
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treeName, treeClass = tree
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if treeClass is None:
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pytest.skip("Treebuilder not loaded")
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parser = html5parser.HTMLParser(tree=treeClass["builder"])
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document = parser.parseFragment(intext)
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for nom, val in attrs_to_add:
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set_attribute_on_first_child(document, nom, val, treeName)
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document = treeClass.get("adapter", lambda x: x)(document)
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output = treewalkers.pprint(treeClass["walker"](document))
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output = attrlist.sub(sortattrs, output)
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if output not in expected:
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raise AssertionError("TreewalkerEditTest: %s\nExpected:\n%s\nReceived:\n%s" % (treeName, expected, output))
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@pytest.mark.parametrize("tree,char", itertools.product(sorted(treeTypes.items()), ["x", "\u1234"]))
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def test_fragment_single_char(tree, char):
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expected = [
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{'data': char, 'type': 'Characters'}
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]
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treeName, treeClass = tree
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if treeClass is None:
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pytest.skip("Treebuilder not loaded")
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parser = html5parser.HTMLParser(tree=treeClass["builder"])
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document = parser.parseFragment(char)
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document = treeClass.get("adapter", lambda x: x)(document)
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output = Lint(treeClass["walker"](document))
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assert list(output) == expected
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@pytest.mark.skipif(treeTypes["lxml"] is None, reason="lxml not importable")
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def test_lxml_xml():
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expected = [
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{'data': {}, 'name': 'div', 'namespace': None, 'type': 'StartTag'},
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{'data': {}, 'name': 'div', 'namespace': None, 'type': 'StartTag'},
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{'name': 'div', 'namespace': None, 'type': 'EndTag'},
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{'name': 'div', 'namespace': None, 'type': 'EndTag'}
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]
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lxmltree = lxml.etree.fromstring('<div><div></div></div>')
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walker = treewalkers.getTreeWalker('lxml')
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output = Lint(walker(lxmltree))
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assert list(output) == expected
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@pytest.mark.parametrize("treeName",
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[pytest.param(treeName, marks=[getattr(pytest.mark, treeName),
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pytest.mark.skipif(
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treeName != "lxml" or
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sys.version_info < (3, 7), reason="dict order undef")])
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for treeName in sorted(treeTypes.keys())])
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def test_maintain_attribute_order(treeName):
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treeAPIs = treeTypes[treeName]
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if treeAPIs is None:
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pytest.skip("Treebuilder not loaded")
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# generate loads to maximize the chance a hash-based mutation will occur
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attrs = [(unichr(x), text_type(i)) for i, x in enumerate(range(ord('a'), ord('z')))]
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data = "<span " + " ".join("%s='%s'" % (x, i) for x, i in attrs) + ">"
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parser = html5parser.HTMLParser(tree=treeAPIs["builder"])
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document = parser.parseFragment(data)
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document = treeAPIs.get("adapter", lambda x: x)(document)
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output = list(Lint(treeAPIs["walker"](document)))
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assert len(output) == 2
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assert output[0]['type'] == 'StartTag'
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assert output[1]['type'] == "EndTag"
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attrs_out = output[0]['data']
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assert len(attrs) == len(attrs_out)
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for (in_name, in_value), (out_name, out_value) in zip(attrs, attrs_out.items()):
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assert (None, in_name) == out_name
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assert in_value == out_value
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@pytest.mark.parametrize("treeName",
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[pytest.param(treeName, marks=[getattr(pytest.mark, treeName),
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pytest.mark.skipif(
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treeName != "lxml" or
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sys.version_info < (3, 7), reason="dict order undef")])
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for treeName in sorted(treeTypes.keys())])
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def test_maintain_attribute_order_adjusted(treeName):
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treeAPIs = treeTypes[treeName]
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if treeAPIs is None:
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pytest.skip("Treebuilder not loaded")
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# generate loads to maximize the chance a hash-based mutation will occur
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data = "<svg a=1 refx=2 b=3 xml:lang=4 c=5>"
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parser = html5parser.HTMLParser(tree=treeAPIs["builder"])
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document = parser.parseFragment(data)
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document = treeAPIs.get("adapter", lambda x: x)(document)
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output = list(Lint(treeAPIs["walker"](document)))
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assert len(output) == 2
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assert output[0]['type'] == 'StartTag'
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assert output[1]['type'] == "EndTag"
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attrs_out = output[0]['data']
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assert list(attrs_out.items()) == [((None, 'a'), '1'),
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((None, 'refX'), '2'),
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((None, 'b'), '3'),
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(('http://www.w3.org/XML/1998/namespace', 'lang'), '4'),
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((None, 'c'), '5')]
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