Fixed some unclosed objects in tests

tests/file_uploads/views.py

@@ -1,5 +1,6 @@
 from __future__ import unicode_literals
 
+import contextlib
 import hashlib
 import json
 import os
@@ -100,7 +101,10 @@ def file_upload_echo_content(request):
     """
     Simple view to echo back the content of uploaded files for tests.
     """
-    r = {k: f.read().decode('utf-8') for k, f in request.FILES.items()}
+    def read_and_close(f):
+        with contextlib.closing(f):
+            return f.read().decode('utf-8')
+    r = {k: read_and_close(f) for k, f in request.FILES.items()}
     return HttpResponse(json.dumps(r))
 
 

tests/gis_tests/geoapp/test_sitemaps.py

@@ -60,10 +60,10 @@ class GeoSitemapTest(TestCase):
                 elif kml_type == 'kmz':
                     # Have to decompress KMZ before parsing.
                     buf = BytesIO(self.client.get(kml_url).content)
-                    zf = zipfile.ZipFile(buf)
-                    self.assertEqual(1, len(zf.filelist))
-                    self.assertEqual('doc.kml', zf.filelist[0].filename)
-                    kml_doc = minidom.parseString(zf.read('doc.kml'))
+                    with zipfile.ZipFile(buf) as zf:
+                        self.assertEqual(1, len(zf.filelist))
+                        self.assertEqual('doc.kml', zf.filelist[0].filename)
+                        kml_doc = minidom.parseString(zf.read('doc.kml'))
 
                 # Ensuring the correct number of placemarks are in the KML doc.
                 if 'city' in kml_url:

tests/middleware/tests.py

@@ -633,7 +633,8 @@ class GZipMiddlewareTest(SimpleTestCase):
 
     @staticmethod
     def decompress(gzipped_string):
-        return gzip.GzipFile(mode='rb', fileobj=BytesIO(gzipped_string)).read()
+        with gzip.GzipFile(mode='rb', fileobj=BytesIO(gzipped_string)) as f:
+            return f.read()
 
     def test_compress_response(self):
         """

tests/servers/tests.py

@@ -4,6 +4,7 @@ Tests for django.core.servers.
 """
 from __future__ import unicode_literals
 
+import contextlib
 import os
 import socket
 
@@ -114,16 +115,16 @@ class LiveServerViews(LiveServerBase):
         Ensure that the LiveServerTestCase serves views.
         Refs #2879.
         """
-        f = self.urlopen('/example_view/')
-        self.assertEqual(f.read(), b'example view')
+        with contextlib.closing(self.urlopen('/example_view/')) as f:
+            self.assertEqual(f.read(), b'example view')
 
     def test_static_files(self):
         """
         Ensure that the LiveServerTestCase serves static files.
         Refs #2879.
         """
-        f = self.urlopen('/static/example_static_file.txt')
-        self.assertEqual(f.read().rstrip(b'\r\n'), b'example static file')
+        with contextlib.closing(self.urlopen('/static/example_static_file.txt')) as f:
+            self.assertEqual(f.read().rstrip(b'\r\n'), b'example static file')
 
     def test_no_collectstatic_emulation(self):
         """
@@ -143,12 +144,12 @@ class LiveServerViews(LiveServerBase):
         Ensure that the LiveServerTestCase serves media files.
         Refs #2879.
         """
-        f = self.urlopen('/media/example_media_file.txt')
-        self.assertEqual(f.read().rstrip(b'\r\n'), b'example media file')
+        with contextlib.closing(self.urlopen('/media/example_media_file.txt')) as f:
+            self.assertEqual(f.read().rstrip(b'\r\n'), b'example media file')
 
     def test_environ(self):
-        f = self.urlopen('/environ_view/?%s' % urlencode({'q': 'тест'}))
-        self.assertIn(b"QUERY_STRING: 'q=%D1%82%D0%B5%D1%81%D1%82'", f.read())
+        with contextlib.closing(self.urlopen('/environ_view/?%s' % urlencode({'q': 'тест'}))) as f:
+            self.assertIn(b"QUERY_STRING: 'q=%D1%82%D0%B5%D1%81%D1%82'", f.read())
 
 
 class LiveServerDatabase(LiveServerBase):
@@ -159,8 +160,8 @@ class LiveServerDatabase(LiveServerBase):
         live server thread.
         Refs #2879.
         """
-        f = self.urlopen('/model_view/')
-        self.assertEqual(f.read().splitlines(), [b'jane', b'robert'])
+        with contextlib.closing(self.urlopen('/model_view/')) as f:
+            self.assertEqual(f.read().splitlines(), [b'jane', b'robert'])
 
     def test_database_writes(self):
         """

tests/staticfiles_tests/test_liveserver.py

@@ -4,6 +4,7 @@ django.contrib.staticfiles.testing.StaticLiveServerTestCase instead of
 django.test.LiveServerTestCase.
 """
 
+import contextlib
 import os
 
 from django.contrib.staticfiles.testing import StaticLiveServerTestCase
@@ -94,5 +95,5 @@ class StaticLiveServerView(LiveServerBase):
         Test that StaticLiveServerTestCase use of staticfiles' serve() allows it
         to discover app's static assets without having to collectstatic first.
         """
-        f = self.urlopen('/static/test/file.txt')
-        self.assertEqual(f.read().rstrip(b'\r\n'), b'In static directory.')
+        with contextlib.closing(self.urlopen('/static/test/file.txt')) as f:
+            self.assertEqual(f.read().rstrip(b'\r\n'), b'In static directory.')