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test_parser.py
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test_parser.py
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import os
import sys
import traceback
import StringIO
import unittest
import warnings
warnings.simplefilter("error")
from support import html5lib_test_files, TestData, convert, convertExpected
import html5lib
from html5lib import html5parser, treebuilders, constants
treeTypes = {"simpletree":treebuilders.getTreeBuilder("simpletree"),
"DOM":treebuilders.getTreeBuilder("dom")}
#Try whatever etree implementations are avaliable from a list that are
#"supposed" to work
try:
import xml.etree.ElementTree as ElementTree
treeTypes['ElementTree'] = treebuilders.getTreeBuilder("etree", ElementTree, fullTree=True)
except ImportError:
try:
import elementtree.ElementTree as ElementTree
treeTypes['ElementTree'] = treebuilders.getTreeBuilder("etree", ElementTree, fullTree=True)
except ImportError:
pass
try:
import xml.etree.cElementTree as cElementTree
treeTypes['cElementTree'] = treebuilders.getTreeBuilder("etree", cElementTree, fullTree=True)
except ImportError:
try:
import cElementTree
treeTypes['cElementTree'] = treebuilders.getTreeBuilder("etree", cElementTree, fullTree=True)
except ImportError:
pass
try:
try:
import lxml.html as lxml
except ImportError:
import lxml.etree as lxml
treeTypes['lxml'] = treebuilders.getTreeBuilder("lxml", lxml, fullTree=True)
except ImportError:
pass
try:
import BeautifulSoup
treeTypes["beautifulsoup"] = treebuilders.getTreeBuilder("beautifulsoup", fullTree=True)
except ImportError:
pass
#Try whatever dom implementations are avaliable from a list that are
#"supposed" to work
try:
import pxdom
treeTypes["pxdom"] = treebuilders.getTreeBuilder("dom", pxdom)
except ImportError:
pass
#Run the parse error checks
checkParseErrors = False
#XXX - There should just be one function here but for some reason the testcase
#format differs from the treedump format by a single space character
def convertTreeDump(data):
return "\n".join(convert(3)(data).split("\n")[1:])
import re
attrlist = re.compile(r"^(\s+)\w+(?:\s\w+)?=.*(?:\n\1\w+(?:\s\w+)?=.*)+",re.M)
def sortattrs(x):
lines = x.group(0).split("\n")
lines.sort()
return "\n".join(lines)
namespaceExpected = re.compile(r"^(\s*)<(\S+)>", re.M).sub
class TestCase(unittest.TestCase):
def runParserTest(self, innerHTML, input, expected, errors, treeClass,
namespaceHTMLElements):
#XXX - move this out into the setup function
#concatenate all consecutive character tokens into a single token
try:
p = html5parser.HTMLParser(tree = treeClass,
namespaceHTMLElements=namespaceHTMLElements)
except constants.DataLossWarning:
return
try:
if innerHTML:
document = p.parseFragment(input, innerHTML)
else:
try:
document = p.parse(input)
except constants.DataLossWarning:
return
except:
errorMsg = u"\n".join([u"\n\nInput:", input, u"\nExpected:", expected,
u"\nTraceback:", traceback.format_exc()])
self.assertTrue(False, errorMsg.encode("utf8"))
output = convertTreeDump(p.tree.testSerializer(document))
output = attrlist.sub(sortattrs, output)
expected = convertExpected(expected)
expected = attrlist.sub(sortattrs, expected)
if namespaceHTMLElements:
expected = namespaceExpected(r"\1<html \2>", expected)
errorMsg = u"\n".join([u"\n\nInput:", input, u"\nExpected:", expected,
u"\nReceived:", output])
self.assertEquals(expected, output, errorMsg.encode("utf8"))
errStr = [u"Line: %i Col: %i %s"%(line, col,
constants.E[errorcode] % datavars if isinstance(datavars, dict) else (datavars,)) for
((line,col), errorcode, datavars) in p.errors]
errorMsg2 = u"\n".join([u"\n\nInput:", input,
u"\nExpected errors (" + str(len(errors)) + u"):\n" + u"\n".join(errors),
u"\nActual errors (" + str(len(p.errors)) + u"):\n" + u"\n".join(errStr)])
if checkParseErrors:
self.assertEquals(len(p.errors), len(errors), errorMsg2.encode("utf-8"))
def buildTestSuite():
sys.stdout.write('Testing tree builders '+ " ".join(treeTypes.keys()) + "\n")
for treeName, treeCls in treeTypes.iteritems():
files = html5lib_test_files('tree-construction')
#files = [f for f in files if
# not f.split(".")[-2][-2:] in ("s9", "10", "11", "12")] #skip namespace tests for now
for filename in files:
testName = os.path.basename(filename).replace(".dat","")
tests = TestData(filename, "data")
for index, test in enumerate(tests):
input, errors, innerHTML, expected = [test[key] for key in
'data', 'errors',
'document-fragment',
'document']
if errors:
errors = errors.split("\n")
for namespaceHTMLElements in (True, False):
def testFunc(self, innerHTML=innerHTML, input=input,
expected=expected, errors=errors, treeCls=treeCls,
namespaceHTMLElements=namespaceHTMLElements):
return self.runParserTest(innerHTML, input, expected,
errors, treeCls,
namespaceHTMLElements)
testFunc.__name__ = "test_%s_%d_%s_%s" % (testName,index+1,treeName, namespaceHTMLElements and "namespaced" or "no_html_namespace")
setattr(TestCase, testFunc.__name__,
testFunc)
break
break
return unittest.TestLoader().loadTestsFromTestCase(TestCase)
def main():
# the following is temporary while the unit tests for parse errors are
# still in flux
if '-p' in sys.argv: # suppress check for parse errors
sys.argv.remove('-p')
global checkParseErrors
checkParseErrors = False
buildTestSuite()
try:
unittest.main()
except SystemExit:
pass
if __name__ == "__main__":
print sys.argv
main()