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from __future__ import unicode_literals
from collections import namedtuple
from django.conf.urls import patterns, url, include
from django.core import urlresolvers
from django.test import TestCase
from rest_framework.test import APIRequestFactory
from rest_framework.urlpatterns import format_suffix_patterns
# A container class for test paths for the test case
URLTestPath = namedtuple('URLTestPath', ['path', 'args', 'kwargs'])
def dummy_view(request, *args, **kwargs):
pass
class FormatSuffixTests(TestCase):
"""
Tests `format_suffix_patterns` against different URLPatterns to ensure the URLs still resolve properly, including any captured parameters.
"""
def _resolve_urlpatterns(self, urlpatterns, test_paths):
factory = APIRequestFactory()
try:
urlpatterns = format_suffix_patterns(urlpatterns)
except Exception:
self.fail("Failed to apply `format_suffix_patterns` on the supplied urlpatterns")
resolver = urlresolvers.RegexURLResolver(r'^/', urlpatterns)
for test_path in test_paths:
request = factory.get(test_path.path)
try:
callback, callback_args, callback_kwargs = resolver.resolve(request.path_info)
except Exception:
self.fail("Failed to resolve URL: %s" % request.path_info)
self.assertEqual(callback_args, test_path.args)
self.assertEqual(callback_kwargs, test_path.kwargs)
def test_format_suffix(self):
urlpatterns = patterns(
'',
url(r'^test$', dummy_view),
)
test_paths = [
URLTestPath('/test', (), {}),
URLTestPath('/test.api', (), {'format': 'api'}),
URLTestPath('/test.asdf', (), {'format': 'asdf'}),
]
self._resolve_urlpatterns(urlpatterns, test_paths)
def test_default_args(self):
urlpatterns = patterns(
'',
url(r'^test$', dummy_view, {'foo': 'bar'}),
)
test_paths = [
URLTestPath('/test', (), {'foo': 'bar', }),
URLTestPath('/test.api', (), {'foo': 'bar', 'format': 'api'}),
URLTestPath('/test.asdf', (), {'foo': 'bar', 'format': 'asdf'}),
]
self._resolve_urlpatterns(urlpatterns, test_paths)
def test_included_urls(self):
nested_patterns = patterns(
'',
url(r'^path$', dummy_view)
)
urlpatterns = patterns(
'',
url(r'^test/', include(nested_patterns), {'foo': 'bar'}),
)
test_paths = [
URLTestPath('/test/path', (), {'foo': 'bar', }),
URLTestPath('/test/path.api', (), {'foo': 'bar', 'format': 'api'}),
URLTestPath('/test/path.asdf', (), {'foo': 'bar', 'format': 'asdf'}),
]
self._resolve_urlpatterns(urlpatterns, test_paths)
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