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#!/usr/bin/env python
"""Tests for yadis.discover.
@todo: Now that yadis.discover uses urljr.fetchers, we should be able to do
tests with a mock fetcher instead of spawning threads with BaseHTTPServer.
"""
import unittest
import urlparse
import re
import types
from openid.yadis.discover import discover, DiscoveryFailure
from openid import fetchers
import discoverdata
status_header_re = re.compile(r'Status: (\d+) .*?$', re.MULTILINE)
four04_pat = """\
Content-Type: text/plain
No such file %s
"""
class QuitServer(Exception): pass
def mkResponse(data):
status_mo = status_header_re.match(data)
headers_str, body = data.split('\n\n', 1)
headers = {}
for line in headers_str.split('\n'):
k, v = line.split(':', 1)
k = k.strip().lower()
v = v.strip()
headers[k] = v
status = int(status_mo.group(1))
return fetchers.HTTPResponse(status=status,
headers=headers,
body=body)
class TestFetcher(object):
def __init__(self, base_url):
self.base_url = base_url
def fetch(self, url, headers, body):
current_url = url
while True:
parsed = urlparse.urlparse(current_url)
path = parsed[2][1:]
try:
data = discoverdata.generateSample(path, self.base_url)
except KeyError:
return fetchers.HTTPResponse(status=404,
final_url=current_url,
headers={},
body='')
response = mkResponse(data)
if response.status in [301, 302, 303, 307]:
current_url = response.headers['location']
else:
response.final_url = current_url
return response
class TestSecondGet(unittest.TestCase):
class MockFetcher(object):
def __init__(self):
self.count = 0
def fetch(self, uri, headers=None, body=None):
self.count += 1
if self.count == 1:
headers = {
'X-XRDS-Location'.lower(): 'http://unittest/404',
}
return fetchers.HTTPResponse(uri, 200, headers, '')
else:
return fetchers.HTTPResponse(uri, 404)
def setUp(self):
self.oldfetcher = fetchers.getDefaultFetcher()
fetchers.setDefaultFetcher(self.MockFetcher())
def tearDown(self):
fetchers.setDefaultFetcher(self.oldfetcher)
def test_404(self):
uri = "http://something.unittest/"
self.failUnlessRaises(DiscoveryFailure, discover, uri)
class _TestCase(unittest.TestCase):
base_url = 'http://invalid.unittest/'
def __init__(self, input_name, id_name, result_name, success):
self.input_name = input_name
self.id_name = id_name
self.result_name = result_name
self.success = success
# Still not quite sure how to best construct these custom tests.
# Between python2.3 and python2.4, a patch attached to pyunit.sf.net
# bug #469444 got applied which breaks loadTestsFromModule on this
# class if it has test_ or runTest methods. So, kludge to change
# the method name.
unittest.TestCase.__init__(self, methodName='runCustomTest')
def setUp(self):
fetchers.setDefaultFetcher(TestFetcher(self.base_url),
wrap_exceptions=False)
self.input_url, self.expected = discoverdata.generateResult(
self.base_url,
self.input_name,
self.id_name,
self.result_name,
self.success)
def tearDown(self):
fetchers.setDefaultFetcher(None)
def runCustomTest(self):
if self.expected is DiscoveryFailure:
self.failUnlessRaises(DiscoveryFailure,
discover, self.input_url)
else:
result = discover(self.input_url)
self.failUnlessEqual(self.input_url, result.request_uri)
msg = 'Identity URL mismatch: actual = %r, expected = %r' % (
result.normalized_uri, self.expected.normalized_uri)
self.failUnlessEqual(
self.expected.normalized_uri, result.normalized_uri, msg)
msg = 'Content mismatch: actual = %r, expected = %r' % (
result.response_text, self.expected.response_text)
self.failUnlessEqual(
self.expected.response_text, result.response_text, msg)
expected_keys = dir(self.expected)
expected_keys.sort()
actual_keys = dir(result)
actual_keys.sort()
self.failUnlessEqual(actual_keys, expected_keys)
for k in dir(self.expected):
if k.startswith('__') and k.endswith('__'):
continue
exp_v = getattr(self.expected, k)
if isinstance(exp_v, types.MethodType):
continue
act_v = getattr(result, k)
assert act_v == exp_v, (k, exp_v, act_v)
def shortDescription(self):
try:
n = self.input_url
except AttributeError:
# run before setUp, or if setUp did not complete successfully.
n = self.input_name
return "%s (%s)" % (
n,
self.__class__.__module__)
def pyUnitTests():
s = unittest.TestSuite()
for success, input_name, id_name, result_name in discoverdata.testlist:
test = _TestCase(input_name, id_name, result_name, success)
s.addTest(test)
return s
def test():
runner = unittest.TextTestRunner()
return runner.run(loadTests())
if __name__ == '__main__':
test()
|
