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bazarr/libs/html5lib/tests/tree_construction.py

206 lines
7.6 KiB

6 years ago
from __future__ import absolute_import, division, unicode_literals
import itertools
import re
import warnings
from difflib import unified_diff
import pytest
from .support import TestData, convert, convertExpected, treeTypes
from html5lib import html5parser, constants, treewalkers
from html5lib.filters.lint import Filter as Lint
_attrlist_re = re.compile(r"^(\s+)\w+=.*(\n\1\w+=.*)+", re.M)
def sortattrs(s):
def replace(m):
lines = m.group(0).split("\n")
lines.sort()
return "\n".join(lines)
return _attrlist_re.sub(replace, s)
class TreeConstructionFile(pytest.File):
def collect(self):
tests = TestData(str(self.fspath), "data")
for i, test in enumerate(tests):
yield TreeConstructionTest(str(i), self, testdata=test)
class TreeConstructionTest(pytest.Collector):
def __init__(self, name, parent=None, config=None, session=None, testdata=None):
super(TreeConstructionTest, self).__init__(name, parent, config, session)
self.testdata = testdata
def collect(self):
for treeName, treeAPIs in sorted(treeTypes.items()):
for x in itertools.chain(self._getParserTests(treeName, treeAPIs),
self._getTreeWalkerTests(treeName, treeAPIs)):
yield x
def _getParserTests(self, treeName, treeAPIs):
if treeAPIs is not None and "adapter" in treeAPIs:
return
for namespaceHTMLElements in (True, False):
if namespaceHTMLElements:
nodeid = "%s::parser::namespaced" % treeName
else:
nodeid = "%s::parser::void-namespace" % treeName
item = ParserTest(nodeid,
self,
self.testdata,
treeAPIs["builder"] if treeAPIs is not None else None,
namespaceHTMLElements)
item.add_marker(getattr(pytest.mark, treeName))
item.add_marker(pytest.mark.parser)
if namespaceHTMLElements:
item.add_marker(pytest.mark.namespaced)
yield item
def _getTreeWalkerTests(self, treeName, treeAPIs):
nodeid = "%s::treewalker" % treeName
item = TreeWalkerTest(nodeid,
self,
self.testdata,
treeAPIs)
item.add_marker(getattr(pytest.mark, treeName))
item.add_marker(pytest.mark.treewalker)
yield item
def convertTreeDump(data):
return "\n".join(convert(3)(data).split("\n")[1:])
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namespaceExpected = re.compile(r"^(\s*)<(\S+)>", re.M).sub
class ParserTest(pytest.Item):
def __init__(self, name, parent, test, treeClass, namespaceHTMLElements):
super(ParserTest, self).__init__(name, parent)
self.test = test
self.treeClass = treeClass
self.namespaceHTMLElements = namespaceHTMLElements
def runtest(self):
if self.treeClass is None:
pytest.skip("Treebuilder not loaded")
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p = html5parser.HTMLParser(tree=self.treeClass,
namespaceHTMLElements=self.namespaceHTMLElements)
input = self.test['data']
fragmentContainer = self.test['document-fragment']
expected = convertExpected(self.test['document'])
expectedErrors = self.test['errors'].split("\n") if self.test['errors'] else []
scripting = False
if 'script-on' in self.test:
scripting = True
with warnings.catch_warnings():
warnings.simplefilter("error")
try:
if fragmentContainer:
document = p.parseFragment(input, fragmentContainer, scripting=scripting)
else:
document = p.parse(input, scripting=scripting)
except constants.DataLossWarning:
pytest.skip("data loss warning")
output = convertTreeDump(p.tree.testSerializer(document))
expected = expected
if self.namespaceHTMLElements:
expected = namespaceExpected(r"\1<html \2>", expected)
errorMsg = "\n".join(["\n\nInput:", input, "\nExpected:", expected,
"\nReceived:", output])
assert expected == output, errorMsg
errStr = []
for (line, col), errorcode, datavars in p.errors:
assert isinstance(datavars, dict), "%s, %s" % (errorcode, repr(datavars))
errStr.append("Line: %i Col: %i %s" % (line, col,
constants.E[errorcode] % datavars))
errorMsg2 = "\n".join(["\n\nInput:", input,
"\nExpected errors (" + str(len(expectedErrors)) + "):\n" + "\n".join(expectedErrors),
"\nActual errors (" + str(len(p.errors)) + "):\n" + "\n".join(errStr)])
if False: # we're currently not testing parse errors
assert len(p.errors) == len(expectedErrors), errorMsg2
def repr_failure(self, excinfo):
traceback = excinfo.traceback
ntraceback = traceback.cut(path=__file__)
excinfo.traceback = ntraceback.filter()
return excinfo.getrepr(funcargs=True,
showlocals=False,
style="short", tbfilter=False)
class TreeWalkerTest(pytest.Item):
def __init__(self, name, parent, test, treeAPIs):
super(TreeWalkerTest, self).__init__(name, parent)
self.test = test
self.treeAPIs = treeAPIs
def runtest(self):
if self.treeAPIs is None:
pytest.skip("Treebuilder not loaded")
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p = html5parser.HTMLParser(tree=self.treeAPIs["builder"])
input = self.test['data']
fragmentContainer = self.test['document-fragment']
expected = convertExpected(self.test['document'])
scripting = False
if 'script-on' in self.test:
scripting = True
with warnings.catch_warnings():
warnings.simplefilter("error")
try:
if fragmentContainer:
document = p.parseFragment(input, fragmentContainer, scripting=scripting)
else:
document = p.parse(input, scripting=scripting)
except constants.DataLossWarning:
pytest.skip("data loss warning")
poutput = convertTreeDump(p.tree.testSerializer(document))
namespace_expected = namespaceExpected(r"\1<html \2>", expected)
if poutput != namespace_expected:
pytest.skip("parser output incorrect")
document = self.treeAPIs.get("adapter", lambda x: x)(document)
try:
output = treewalkers.pprint(Lint(self.treeAPIs["walker"](document)))
output = sortattrs(output)
expected = sortattrs(expected)
diff = "".join(unified_diff([line + "\n" for line in expected.splitlines()],
[line + "\n" for line in output.splitlines()],
"Expected", "Received"))
assert expected == output, "\n".join([
"", "Input:", input,
"", "Expected:", expected,
"", "Received:", output,
"", "Diff:", diff,
])
except NotImplementedError:
pytest.skip("tree walker NotImplementedError")
def repr_failure(self, excinfo):
traceback = excinfo.traceback
ntraceback = traceback.cut(path=__file__)
excinfo.traceback = ntraceback.filter()
return excinfo.getrepr(funcargs=True,
showlocals=False,
style="short", tbfilter=False)