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from pathlib import Path
from unittest import mock
from django.conf import DEFAULT_STORAGE_ALIAS, STATICFILES_STORAGE_ALIAS, settings
from django.contrib.staticfiles.checks import E005, check_finders, check_storages
from django.contrib.staticfiles.finders import BaseFinder, get_finder
from django.core.checks import Error, Warning
from django.test import SimpleTestCase, override_settings
from .cases import CollectionTestCase
from .settings import TEST_ROOT
class FindersCheckTests(CollectionTestCase):
run_collectstatic_in_setUp = False
def test_base_finder_check_not_implemented(self):
finder = BaseFinder()
msg = (
"subclasses may provide a check() method to verify the finder is "
"configured correctly."
)
with self.assertRaisesMessage(NotImplementedError, msg):
finder.check()
def test_check_finders(self):
"""check_finders() concatenates all errors."""
error1 = Error("1")
error2 = Error("2")
error3 = Error("3")
def get_finders():
class Finder1(BaseFinder):
def check(self, **kwargs):
return [error1]
class Finder2(BaseFinder):
def check(self, **kwargs):
return []
class Finder3(BaseFinder):
def check(self, **kwargs):
return [error2, error3]
class Finder4(BaseFinder):
pass
return [Finder1(), Finder2(), Finder3(), Finder4()]
with mock.patch("django.contrib.staticfiles.checks.get_finders", get_finders):
errors = check_finders(None)
self.assertEqual(errors, [error1, error2, error3])
def test_no_errors_with_test_settings(self):
self.assertEqual(check_finders(None), [])
@override_settings(STATICFILES_DIRS="a string")
def test_dirs_not_tuple_or_list(self):
self.assertEqual(
check_finders(None),
[
Error(
"The STATICFILES_DIRS setting is not a tuple or list.",
hint="Perhaps you forgot a trailing comma?",
id="staticfiles.E001",
)
],
)
def test_dirs_contains_static_root(self):
with self.settings(STATICFILES_DIRS=[settings.STATIC_ROOT]):
self.assertEqual(
check_finders(None),
[
Error(
"The STATICFILES_DIRS setting should not contain the "
"STATIC_ROOT setting.",
id="staticfiles.E002",
)
],
)
def test_dirs_contains_static_root_in_tuple(self):
with self.settings(STATICFILES_DIRS=[("prefix", settings.STATIC_ROOT)]):
self.assertEqual(
check_finders(None),
[
Error(
"The STATICFILES_DIRS setting should not contain the "
"STATIC_ROOT setting.",
id="staticfiles.E002",
)
],
)
def test_prefix_contains_trailing_slash(self):
static_dir = Path(TEST_ROOT) / "project" / "documents"
with self.settings(STATICFILES_DIRS=[("prefix/", static_dir)]):
self.assertEqual(
check_finders(None),
[
Error(
"The prefix 'prefix/' in the STATICFILES_DIRS setting must "
"not end with a slash.",
id="staticfiles.E003",
),
],
)
def test_nonexistent_directories(self):
with self.settings(
STATICFILES_DIRS=[
"/fake/path",
("prefix", "/fake/prefixed/path"),
]
):
self.assertEqual(
check_finders(None),
[
Warning(
"The directory '/fake/path' in the STATICFILES_DIRS "
"setting does not exist.",
id="staticfiles.W004",
),
Warning(
"The directory '/fake/prefixed/path' in the "
"STATICFILES_DIRS setting does not exist.",
id="staticfiles.W004",
),
],
)
# Nonexistent directories are skipped.
finder = get_finder("django.contrib.staticfiles.finders.FileSystemFinder")
self.assertEqual(list(finder.list(None)), [])
class StoragesCheckTests(SimpleTestCase):
@override_settings(STORAGES={})
def test_error_empty_storages(self):
errors = check_storages(None)
self.assertEqual(errors, [E005])
@override_settings(
STORAGES={
DEFAULT_STORAGE_ALIAS: {
"BACKEND": "django.core.files.storage.FileSystemStorage",
},
"example": {
"BACKEND": "ignore.me",
},
}
)
def test_error_missing_staticfiles(self):
errors = check_storages(None)
self.assertEqual(errors, [E005])
@override_settings(
STORAGES={
STATICFILES_STORAGE_ALIAS: {
"BACKEND": "django.contrib.staticfiles.storage.StaticFilesStorage",
},
}
)
def test_staticfiles_no_errors(self):
errors = check_storages(None)
self.assertEqual(errors, [])
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