import unittest, robotparser import io from test import test_support class RobotTestCase(unittest.TestCase): def __init__(self, index, parser, url, good, agent): unittest.TestCase.__init__(self) if good: self.str = "RobotTest(%d, good, %s)" % (index, url) else: self.str = "RobotTest(%d, bad, %s)" % (index, url) self.parser = parser self.url = url self.good = good self.agent = agent def runTest(self): if isinstance(self.url, tuple): agent, url = self.url else: url = self.url agent = self.agent if self.good: self.failUnless(self.parser.can_fetch(agent, url)) else: self.failIf(self.parser.can_fetch(agent, url)) def __str__(self): return self.str tests = unittest.TestSuite() def RobotTest(index, robots_txt, good_urls, bad_urls, agent="test_robotparser"): lines = io.StringIO(robots_txt).readlines() parser = robotparser.RobotFileParser() parser.parse(lines) for url in good_urls: tests.addTest(RobotTestCase(index, parser, url, 1, agent)) for url in bad_urls: tests.addTest(RobotTestCase(index, parser, url, 0, agent)) # Examples from http://www.robotstxt.org/wc/norobots.html (fetched 2002) # 1. doc = """ User-agent: * Disallow: /cyberworld/map/ # This is an infinite virtual URL space Disallow: /tmp/ # these will soon disappear Disallow: /foo.html """ good = ['/','/test.html'] bad = ['/cyberworld/map/index.html','/tmp/xxx','/foo.html'] RobotTest(1, doc, good, bad) # 2. doc = """ # robots.txt for http://www.example.com/ User-agent: * Disallow: /cyberworld/map/ # This is an infinite virtual URL space # Cybermapper knows where to go. User-agent: cybermapper Disallow: """ good = ['/','/test.html',('cybermapper','/cyberworld/map/index.html')] bad = ['/cyberworld/map/index.html'] RobotTest(2, doc, good, bad) # 3. doc = """ # go away User-agent: * Disallow: / """ good = [] bad = ['/cyberworld/map/index.html','/','/tmp/'] RobotTest(3, doc, good, bad) # Examples from http://www.robotstxt.org/wc/norobots-rfc.html (fetched 2002) # 4. doc = """ User-agent: figtree Disallow: /tmp Disallow: /a%3cd.html Disallow: /a%2fb.html Disallow: /%7ejoe/index.html """ good = [] # XFAIL '/a/b.html' bad = ['/tmp','/tmp.html','/tmp/a.html', '/a%3cd.html','/a%3Cd.html','/a%2fb.html', '/~joe/index.html' ] RobotTest(4, doc, good, bad, 'figtree') RobotTest(5, doc, good, bad, 'FigTree Robot libwww-perl/5.04') # 6. doc = """ User-agent: * Disallow: /tmp/ Disallow: /a%3Cd.html Disallow: /a/b.html Disallow: /%7ejoe/index.html """ good = ['/tmp',] # XFAIL: '/a%2fb.html' bad = ['/tmp/','/tmp/a.html', '/a%3cd.html','/a%3Cd.html',"/a/b.html", '/%7Ejoe/index.html'] RobotTest(6, doc, good, bad) # From bug report #523041 # 7. doc = """ User-Agent: * Disallow: /. """ good = ['/foo.html'] bad = [] # Bug report says "/" should be denied, but that is not in the RFC RobotTest(7, doc, good, bad) def test_main(): test_support.run_unittest(tests) if __name__=='__main__': test_support.Verbose = 1 test_main()