def test_404_tried_urls_have_names(self):
"""
Verifies that the list of URLs that come back from a Resolver404
exception contains a list in the right format for printing out in
the DEBUG 404 page with both the patterns and URL names, if available.
"""
urls = 'regressiontests.urlpatterns_reverse.named_urls'
# this list matches the expected URL types and names returned when
# you try to resolve a non-existent URL in the first level of included
# URLs in named_urls.py (e.g., '/included/non-existent-url')
url_types_names = [
[{'type': RegexURLPattern, 'name': 'named-url1'}],
[{'type': RegexURLPattern, 'name': 'named-url2'}],
[{'type': RegexURLPattern, 'name': None}],
[{'type': RegexURLResolver}, {'type': RegexURLPattern, 'name': 'named-url3'}],
[{'type': RegexURLResolver}, {'type': RegexURLPattern, 'name': 'named-url4'}],
[{'type': RegexURLResolver}, {'type': RegexURLPattern, 'name': None}],
[{'type': RegexURLResolver}, {'type': RegexURLResolver}],
]
try:
resolve('/included/non-existent-url', urlconf=urls)
self.fail('resolve did not raise a 404')
except Resolver404 as e:
# make sure we at least matched the root ('/') url resolver:
self.assertTrue('tried' in e.args[0])
tried = e.args[0]['tried']
self.assertEqual(len(e.args[0]['tried']), len(url_types_names), 'Wrong number of tried URLs returned. Expected %s, got %s.' % (len(url_types_names), len(e.args[0]['tried'])))
for tried, expected in zip(e.args[0]['tried'], url_types_names):
for t, e in zip(tried, expected):
self.assertTrue(isinstance(t, e['type']), '%s is not an instance of %s' % (t, e['type']))
if 'name' in e:
if not e['name']:
self.assertTrue(t.name is None, 'Expected no URL name but found %s.' % t.name)
else:
self.assertEqual(t.name, e['name'], 'Wrong URL name. Expected "%s", got "%s".' % (e['name'], t.name))
def test_urlpattern_resolve(self):
for path, name, app_name, namespace, func, args, kwargs in resolve_test_data:
# Test legacy support for extracting "function, args, kwargs"
match_func, match_args, match_kwargs = resolve(path)
self.assertEqual(match_func, func)
self.assertEqual(match_args, args)
self.assertEqual(match_kwargs, kwargs)
# Test ResolverMatch capabilities.
match = resolve(path)
self.assertEqual(match.__class__, ResolverMatch)
self.assertEqual(match.url_name, name)
self.assertEqual(match.args, args)
self.assertEqual(match.kwargs, kwargs)
self.assertEqual(match.app_name, app_name)
self.assertEqual(match.namespace, namespace)
self.assertEqual(match.func, func)
# ... and for legacy purposes:
self.assertEqual(match[0], func)
self.assertEqual(match[1], args)
self.assertEqual(match[2], kwargs)