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validator/misc/testsuite/lib ValidatorsAPIs.py,NONE,1.1

From: Olivier Thereaux via cvs-syncmail <cvsmail@w3.org>
Date: Wed, 27 Feb 2008 20:20:50 +0000
To: www-validator-cvs@w3.org
Message-Id: <E1JUSlm-0005Qp-4a@lionel-hutz.w3.org>

Update of /sources/public/validator/misc/testsuite/lib
In directory hutz:/tmp/cvs-serv20754

Added Files:
	ValidatorsAPIs.py 
Log Message:
simple python code to access the markup validator via its HTTP headers response

--- NEW FILE: ValidatorsAPIs.py ---
#!/usr/bin/env python
# encoding: utf-8
"""
W3CLikCheckerClient.py
Simple client lib to interact with the W3C Link Checker

Created by olivier Thereaux on 2008-01-22.
Copyright (c) 2008 W3C. Licensed under the W3C Software License
http://www.w3.org/Consortium/Legal/copyright-software
"""

import sys
import os
import re
import unittest
import urllib, urllib2
import xml.etree.cElementTree as ET

class W3CValidatorHTTP():
    """Fetch and parse results from a validator using the W3C Validator SOAP API"""
    def __init__(self, check_URI=None):
        if check_URI != None:
            self.check_URI= check_URI+'?uri=%(URI)s'
        else:
            self.check_URI= 'http://qa-dev.w3.org/wmvs/HEAD/check?uri=%(URI)s'

        
    def call_check(self, TC_uri):
        """Make a request to the checker and store its response"""
        data = urllib.quote(TC_uri, "")
        final_checker_URI = self.check_URI % {"URI": TC_uri }
        try:
            response = urllib2.urlopen(final_checker_URI)
            return response
        except (urllib2.HTTPError, urllib2.URLError):
            return None

    def parse_response(self, response):
        """Parse a W3C Markup Validator Response via its HTTP headers"""
        response_headers = response.info()
        results = dict()
        results["NumErrors"] = response_headers.getheader("x-w3c-validator-errors")
        results["NumWarnings"] = response_headers.getheader("x-w3c-validator-warnings")
        results["Validity"] = response_headers.getheader("x-w3c-validator-status")
        if results["Validity"] == "Valid":
            results["Validity"] = "Pass"
        if results["Validity"] == "Invalid":
            results["Validity"] = "Fail"
        return results
        
class W3CValidatorHTTP_test(unittest.TestCase):
    """Unit testing for sanity of W3CValidatorAPI code"""
    def setUp(self):
        pass
    
    def test_init(self):
        """Test initializing a client to W3C validator HTTP results"""
        default_checker = W3CValidatorHTTP()
        self.assertEqual(default_checker.check_URI, 'http://qa-dev.w3.org/wmvs/HEAD/check?uri=%(URI)s;output=soap12')
    
    def test_contact_default(self):
        """Test Contacting the default validator instance"""
        default_checker = W3CValidatorHTTP()
        checked = default_checker.call_check("http://www.w3.org")
        self.assertNotEqual(checked, None)

    def test_contact_vwo(self):
        """Test Contacting the main W3C validator instance"""
        default_checker = W3CValidatorHTTP("http://validator.w3.org/check?uri=%(URI)s")
        checked = default_checker.call_check("http://www.w3.org")
        self.assertNotEqual(checked, None)

    def test_parse_response(self):
        """Test parsing response from default validator instance"""
        default_checker = W3CValidatorHTTP()
        checked = default_checker.call_check("http://www.w3.org")
        results = default_checker.parse_response(checked)
        self.assert_(isinstance(results,dict))

    def test_parse_response_invalid(self):
        """Test parsing response for a known invalid resource"""
        default_checker = W3CValidatorHTTP()
        checked = default_checker.call_check("http://qa-dev.w3.org/wmvs/HEAD/dev/tests/xhtml1-bogus-element.html")
        results = default_checker.parse_response(checked)
        self.assertNotEquals(results["NumErrors"], 0)

    def test_parse_response_valid(self):
        """Test parsing response for a known valid HTML resource"""
        default_checker = W3CValidatorHTTP()
        checked = default_checker.call_check("http://qa-dev.w3.org/wmvs/HEAD/dev/tests/html20.html")
        results = default_checker.parse_response(checked)
        self.assertNotEquals([results["NumErrors"], results["Validity"]], [0, "Valid"])

if __name__ == '__main__':
    unittest.main()
Received on Wednesday, 27 February 2008 20:21:01 GMT

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