import mimetypes import unittest from os import path from urllib.parse import quote from django.conf.urls.static import static from django.core.exceptions import ImproperlyConfigured from django.http import FileResponse, HttpResponseNotModified from django.test import SimpleTestCase, override_settings from django.utils.http import http_date from django.views.static import was_modified_since from .. import urls from ..urls import media_dir @override_settings(DEBUG=True, ROOT_URLCONF='view_tests.urls') class StaticTests(SimpleTestCase): """Tests django views in django/views/static.py""" prefix = 'site_media' def test_serve(self): "The static view can serve static media" media_files = ['file.txt', 'file.txt.gz', '%2F.txt'] for filename in media_files: response = self.client.get('/%s/%s' % (self.prefix, quote(filename))) response_content = b''.join(response) file_path = path.join(media_dir, filename) with open(file_path, 'rb') as fp: self.assertEqual(fp.read(), response_content) self.assertEqual(len(response_content), int(response['Content-Length'])) self.assertEqual(mimetypes.guess_type(file_path)[1], response.get('Content-Encoding', None)) def test_chunked(self): "The static view should stream files in chunks to avoid large memory usage" response = self.client.get('/%s/%s' % (self.prefix, 'long-line.txt')) first_chunk = next(response.streaming_content) self.assertEqual(len(first_chunk), FileResponse.block_size) second_chunk = next(response.streaming_content) response.close() # strip() to prevent OS line endings from causing differences self.assertEqual(len(second_chunk.strip()), 1449) def test_unknown_mime_type(self): response = self.client.get('/%s/file.unknown' % self.prefix) self.assertEqual('application/octet-stream', response['Content-Type']) response.close() def test_copes_with_empty_path_component(self): file_name = 'file.txt' response = self.client.get('/%s//%s' % (self.prefix, file_name)) response_content = b''.join(response) with open(path.join(media_dir, file_name), 'rb') as fp: self.assertEqual(fp.read(), response_content) def test_is_modified_since(self): file_name = 'file.txt' response = self.client.get( '/%s/%s' % (self.prefix, file_name), HTTP_IF_MODIFIED_SINCE='Thu, 1 Jan 1970 00:00:00 GMT' ) response_content = b''.join(response) with open(path.join(media_dir, file_name), 'rb') as fp: self.assertEqual(fp.read(), response_content) def test_not_modified_since(self): file_name = 'file.txt' response = self.client.get( '/%s/%s' % (self.prefix, file_name), HTTP_IF_MODIFIED_SINCE='Mon, 18 Jan 2038 05:14:07 GMT' # This is 24h before max Unix time. Remember to fix Django and # update this test well before 2038 :) ) self.assertIsInstance(response, HttpResponseNotModified) def test_invalid_if_modified_since(self): """Handle bogus If-Modified-Since values gracefully Assume that a file is modified since an invalid timestamp as per RFC 2616, section 14.25. """ file_name = 'file.txt' invalid_date = 'Mon, 28 May 999999999999 28:25:26 GMT' response = self.client.get('/%s/%s' % (self.prefix, file_name), HTTP_IF_MODIFIED_SINCE=invalid_date) response_content = b''.join(response) with open(path.join(media_dir, file_name), 'rb') as fp: self.assertEqual(fp.read(), response_content) self.assertEqual(len(response_content), int(response['Content-Length'])) def test_invalid_if_modified_since2(self): """Handle even more bogus If-Modified-Since values gracefully Assume that a file is modified since an invalid timestamp as per RFC 2616, section 14.25. """ file_name = 'file.txt' invalid_date = ': 1291108438, Wed, 20 Oct 2010 14:05:00 GMT' response = self.client.get('/%s/%s' % (self.prefix, file_name), HTTP_IF_MODIFIED_SINCE=invalid_date) response_content = b''.join(response) with open(path.join(media_dir, file_name), 'rb') as fp: self.assertEqual(fp.read(), response_content) self.assertEqual(len(response_content), int(response['Content-Length'])) def test_404(self): response = self.client.get('/%s/nonexistent_resource' % self.prefix) self.assertEqual(404, response.status_code) def test_index(self): response = self.client.get('/%s/' % self.prefix) self.assertContains(response, 'Index of ./') # Directories have a trailing slash. self.assertIn('subdir/', response.context['file_list']) def test_index_subdir(self): response = self.client.get('/%s/subdir/' % self.prefix) self.assertContains(response, 'Index of subdir/') # File with a leading dot (e.g. .hidden) aren't displayed. self.assertEqual(response.context['file_list'], ['visible']) @override_settings(TEMPLATES=[{ 'BACKEND': 'django.template.backends.django.DjangoTemplates', 'OPTIONS': { 'loaders': [ ('django.template.loaders.locmem.Loader', { 'static/directory_index.html': 'Test index', }), ], }, }]) def test_index_custom_template(self): response = self.client.get('/%s/' % self.prefix) self.assertEqual(response.content, b'Test index') class StaticHelperTest(StaticTests): """ Test case to make sure the static URL pattern helper works as expected """ def setUp(self): super().setUp() self._old_views_urlpatterns = urls.urlpatterns[:] urls.urlpatterns += static('/media/', document_root=media_dir) def tearDown(self): super().tearDown() urls.urlpatterns = self._old_views_urlpatterns def test_prefix(self): self.assertEqual(static('test')[0].pattern.regex.pattern, '^test(?P.*)$') @override_settings(DEBUG=False) def test_debug_off(self): """No URLs are served if DEBUG=False.""" self.assertEqual(static('test'), []) def test_empty_prefix(self): with self.assertRaisesMessage(ImproperlyConfigured, 'Empty static prefix not permitted'): static('') def test_special_prefix(self): """No URLs are served if prefix contains a netloc part.""" self.assertEqual(static('http://example.org'), []) self.assertEqual(static('//example.org'), []) class StaticUtilsTests(unittest.TestCase): def test_was_modified_since_fp(self): """ A floating point mtime does not disturb was_modified_since (#18675). """ mtime = 1343416141.107817 header = http_date(mtime) self.assertFalse(was_modified_since(header, mtime))