From e909ceae9b3e72b72e0a2baaa92bba9714f18cd2 Mon Sep 17 00:00:00 2001
From: Ramiro Morales <cramm0@gmail.com>
Date: Sat, 1 Jun 2013 14:24:46 -0300
Subject: Made django.test.testcases not depend on staticfiles contrib app.

Do this by introducing a django.contrib.staticfiles.testing.StaticLiveServerCase
unittest TestCase subclass.

Fixes #20739.
---
 tests/staticfiles_tests/test_liveserver.py | 101 +++++++++++++++++++++++++++++
 1 file changed, 101 insertions(+)
 create mode 100644 tests/staticfiles_tests/test_liveserver.py

(limited to 'tests/staticfiles_tests/test_liveserver.py')

diff --git a/tests/staticfiles_tests/test_liveserver.py b/tests/staticfiles_tests/test_liveserver.py
new file mode 100644
index 0000000000..80333aae1f
--- /dev/null
+++ b/tests/staticfiles_tests/test_liveserver.py
@@ -0,0 +1,101 @@
+"""
+A subset of the tests in tests/servers/tests exercicing
+django.contrib.staticfiles.testing.StaticLiveServerCase instead of
+django.test.LiveServerTestCase.
+"""
+
+import os
+try:
+    from urllib.request import urlopen
+except ImportError:     # Python 2
+    from urllib2 import urlopen
+
+from django.core.exceptions import ImproperlyConfigured
+from django.test.utils import override_settings
+from django.utils._os import upath
+
+from django.contrib.staticfiles.testing import StaticLiveServerCase
+
+
+TEST_ROOT = os.path.dirname(upath(__file__))
+TEST_SETTINGS = {
+    'MEDIA_URL': '/media/',
+    'STATIC_URL': '/static/',
+    'MEDIA_ROOT': os.path.join(TEST_ROOT, 'project', 'site_media', 'media'),
+    'STATIC_ROOT': os.path.join(TEST_ROOT, 'project', 'site_media', 'static'),
+}
+
+
+class LiveServerBase(StaticLiveServerCase):
+
+    available_apps = []
+
+    @classmethod
+    def setUpClass(cls):
+        # Override settings
+        cls.settings_override = override_settings(**TEST_SETTINGS)
+        cls.settings_override.enable()
+        super(LiveServerBase, cls).setUpClass()
+
+    @classmethod
+    def tearDownClass(cls):
+        # Restore original settings
+        cls.settings_override.disable()
+        super(LiveServerBase, cls).tearDownClass()
+
+
+class StaticLiveServerChecks(LiveServerBase):
+
+    @classmethod
+    def setUpClass(cls):
+        # Backup original environment variable
+        address_predefined = 'DJANGO_LIVE_TEST_SERVER_ADDRESS' in os.environ
+        old_address = os.environ.get('DJANGO_LIVE_TEST_SERVER_ADDRESS')
+
+        # If contrib.staticfiles isn't configured properly, the exception
+        # should bubble up to the main thread.
+        old_STATIC_URL = TEST_SETTINGS['STATIC_URL']
+        TEST_SETTINGS['STATIC_URL'] = None
+        cls.raises_exception('localhost:8081', ImproperlyConfigured)
+        TEST_SETTINGS['STATIC_URL'] = old_STATIC_URL
+
+        # Restore original environment variable
+        if address_predefined:
+            os.environ['DJANGO_LIVE_TEST_SERVER_ADDRESS'] = old_address
+        else:
+            del os.environ['DJANGO_LIVE_TEST_SERVER_ADDRESS']
+
+    @classmethod
+    def tearDownClass(cls):
+        # skip it, as setUpClass doesn't call its parent either
+        pass
+
+    @classmethod
+    def raises_exception(cls, address, exception):
+        os.environ['DJANGO_LIVE_TEST_SERVER_ADDRESS'] = address
+        try:
+            super(StaticLiveServerChecks, cls).setUpClass()
+            raise Exception("The line above should have raised an exception")
+        except exception:
+            pass
+        finally:
+            super(StaticLiveServerChecks, cls).tearDownClass()
+
+    def test_test_test(self):
+        # Intentionally empty method so that the test is picked up by the
+        # test runner and the overridden setUpClass() method is executed.
+        pass
+
+
+class StaticLiveServerView(LiveServerBase):
+
+    def urlopen(self, url):
+        return urlopen(self.live_server_url + url)
+
+    def test_collectstatic_emulation(self):
+        """
+        Test that StaticLiveServerCase 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 app media directory.')
-- 
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