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"""
A subset of the tests in tests/servers/tests exercising
django.contrib.staticfiles.testing.StaticLiveServerTestCase instead of
django.test.LiveServerTestCase.
"""
import os
from urllib.request import urlopen
from django.contrib.staticfiles.testing import StaticLiveServerTestCase
from django.core.exceptions import ImproperlyConfigured
from django.test import modify_settings, override_settings
TEST_ROOT = os.path.dirname(__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(StaticLiveServerTestCase):
available_apps = []
@classmethod
def setUpClass(cls):
# Override settings
cls.settings_override = override_settings(**TEST_SETTINGS)
cls.settings_override.enable()
super().setUpClass()
@classmethod
def tearDownClass(cls):
super().tearDownClass()
# Restore original settings
cls.settings_override.disable()
class StaticLiveServerChecks(LiveServerBase):
@classmethod
def setUpClass(cls):
# 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()
TEST_SETTINGS['STATIC_URL'] = old_STATIC_URL
@classmethod
def tearDownClass(cls):
# skip it, as setUpClass doesn't call its parent either
pass
@classmethod
def raises_exception(cls):
try:
super().setUpClass()
raise Exception("The line above should have raised an exception")
except ImproperlyConfigured:
# This raises ImproperlyConfigured("You're using the staticfiles
# app without having set the required STATIC_URL setting.")
pass
finally:
# Use del to avoid decrementing the database thread sharing count a
# second time.
del cls.server_thread
super().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)
# The test is going to access a static file stored in this application.
@modify_settings(INSTALLED_APPS={'append': 'staticfiles_tests.apps.test'})
def test_collectstatic_emulation(self):
"""
StaticLiveServerTestCase use of staticfiles' serve() allows it
to discover app's static assets without having to collectstatic first.
"""
with self.urlopen('/static/test/file.txt') as f:
self.assertEqual(f.read().rstrip(b'\r\n'), b'In static directory.')
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