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django/tests/staticfiles_tests/test_storage.py
2018-03-16 10:54:34 +01:00

599 lines
25 KiB
Python

import os
import shutil
import sys
import tempfile
import unittest
from io import StringIO
from django.conf import settings
from django.contrib.staticfiles import finders, storage
from django.contrib.staticfiles.management.commands.collectstatic import (
Command as CollectstaticCommand,
)
from django.core.cache.backends.base import BaseCache
from django.core.management import call_command
from django.test import override_settings
from .cases import CollectionTestCase
from .settings import TEST_ROOT
def hashed_file_path(test, path):
fullpath = test.render_template(test.static_template_snippet(path))
return fullpath.replace(settings.STATIC_URL, '')
class TestHashedFiles:
hashed_file_path = hashed_file_path
def setUp(self):
self._max_post_process_passes = storage.staticfiles_storage.max_post_process_passes
super().setUp()
def tearDown(self):
# Clear hashed files to avoid side effects among tests.
storage.staticfiles_storage.hashed_files.clear()
storage.staticfiles_storage.max_post_process_passes = self._max_post_process_passes
def assertPostCondition(self):
"""
Assert post conditions for a test are met. Must be manually called at
the end of each test.
"""
pass
def test_template_tag_return(self):
"""
Test the CachedStaticFilesStorage backend.
"""
self.assertStaticRaises(ValueError, "does/not/exist.png", "/static/does/not/exist.png")
self.assertStaticRenders("test/file.txt", "/static/test/file.dad0999e4f8f.txt")
self.assertStaticRenders("test/file.txt", "/static/test/file.dad0999e4f8f.txt", asvar=True)
self.assertStaticRenders("cached/styles.css", "/static/cached/styles.5e0040571e1a.css")
self.assertStaticRenders("path/", "/static/path/")
self.assertStaticRenders("path/?query", "/static/path/?query")
self.assertPostCondition()
def test_template_tag_simple_content(self):
relpath = self.hashed_file_path("cached/styles.css")
self.assertEqual(relpath, "cached/styles.5e0040571e1a.css")
with storage.staticfiles_storage.open(relpath) as relfile:
content = relfile.read()
self.assertNotIn(b"cached/other.css", content)
self.assertIn(b"other.d41d8cd98f00.css", content)
self.assertPostCondition()
def test_path_ignored_completely(self):
relpath = self.hashed_file_path("cached/css/ignored.css")
self.assertEqual(relpath, "cached/css/ignored.554da52152af.css")
with storage.staticfiles_storage.open(relpath) as relfile:
content = relfile.read()
self.assertIn(b'#foobar', content)
self.assertIn(b'http:foobar', content)
self.assertIn(b'https:foobar', content)
self.assertIn(b'data:foobar', content)
self.assertIn(b'chrome:foobar', content)
self.assertIn(b'//foobar', content)
self.assertPostCondition()
def test_path_with_querystring(self):
relpath = self.hashed_file_path("cached/styles.css?spam=eggs")
self.assertEqual(relpath, "cached/styles.5e0040571e1a.css?spam=eggs")
with storage.staticfiles_storage.open("cached/styles.5e0040571e1a.css") as relfile:
content = relfile.read()
self.assertNotIn(b"cached/other.css", content)
self.assertIn(b"other.d41d8cd98f00.css", content)
self.assertPostCondition()
def test_path_with_fragment(self):
relpath = self.hashed_file_path("cached/styles.css#eggs")
self.assertEqual(relpath, "cached/styles.5e0040571e1a.css#eggs")
with storage.staticfiles_storage.open("cached/styles.5e0040571e1a.css") as relfile:
content = relfile.read()
self.assertNotIn(b"cached/other.css", content)
self.assertIn(b"other.d41d8cd98f00.css", content)
self.assertPostCondition()
def test_path_with_querystring_and_fragment(self):
relpath = self.hashed_file_path("cached/css/fragments.css")
self.assertEqual(relpath, "cached/css/fragments.a60c0e74834f.css")
with storage.staticfiles_storage.open(relpath) as relfile:
content = relfile.read()
self.assertIn(b'fonts/font.b9b105392eb8.eot?#iefix', content)
self.assertIn(b'fonts/font.b8d603e42714.svg#webfontIyfZbseF', content)
self.assertIn(b'fonts/font.b8d603e42714.svg#path/to/../../fonts/font.svg', content)
self.assertIn(b'data:font/woff;charset=utf-8;base64,d09GRgABAAAAADJoAA0AAAAAR2QAAQAAAAAAAAAAAAA', content)
self.assertIn(b'#default#VML', content)
self.assertPostCondition()
def test_template_tag_absolute(self):
relpath = self.hashed_file_path("cached/absolute.css")
self.assertEqual(relpath, "cached/absolute.eb04def9f9a4.css")
with storage.staticfiles_storage.open(relpath) as relfile:
content = relfile.read()
self.assertNotIn(b"/static/cached/styles.css", content)
self.assertIn(b"/static/cached/styles.5e0040571e1a.css", content)
self.assertNotIn(b"/static/styles_root.css", content)
self.assertIn(b"/static/styles_root.401f2509a628.css", content)
self.assertIn(b'/static/cached/img/relative.acae32e4532b.png', content)
self.assertPostCondition()
def test_template_tag_absolute_root(self):
"""
Like test_template_tag_absolute, but for a file in STATIC_ROOT (#26249).
"""
relpath = self.hashed_file_path("absolute_root.css")
self.assertEqual(relpath, "absolute_root.f821df1b64f7.css")
with storage.staticfiles_storage.open(relpath) as relfile:
content = relfile.read()
self.assertNotIn(b"/static/styles_root.css", content)
self.assertIn(b"/static/styles_root.401f2509a628.css", content)
self.assertPostCondition()
def test_template_tag_relative(self):
relpath = self.hashed_file_path("cached/relative.css")
self.assertEqual(relpath, "cached/relative.c3e9e1ea6f2e.css")
with storage.staticfiles_storage.open(relpath) as relfile:
content = relfile.read()
self.assertNotIn(b"../cached/styles.css", content)
self.assertNotIn(b'@import "styles.css"', content)
self.assertNotIn(b'url(img/relative.png)', content)
self.assertIn(b'url("img/relative.acae32e4532b.png")', content)
self.assertIn(b"../cached/styles.5e0040571e1a.css", content)
self.assertPostCondition()
def test_import_replacement(self):
"See #18050"
relpath = self.hashed_file_path("cached/import.css")
self.assertEqual(relpath, "cached/import.f53576679e5a.css")
with storage.staticfiles_storage.open(relpath) as relfile:
self.assertIn(b"""import url("styles.5e0040571e1a.css")""", relfile.read())
self.assertPostCondition()
def test_template_tag_deep_relative(self):
relpath = self.hashed_file_path("cached/css/window.css")
self.assertEqual(relpath, "cached/css/window.5d5c10836967.css")
with storage.staticfiles_storage.open(relpath) as relfile:
content = relfile.read()
self.assertNotIn(b'url(img/window.png)', content)
self.assertIn(b'url("img/window.acae32e4532b.png")', content)
self.assertPostCondition()
def test_template_tag_url(self):
relpath = self.hashed_file_path("cached/url.css")
self.assertEqual(relpath, "cached/url.902310b73412.css")
with storage.staticfiles_storage.open(relpath) as relfile:
self.assertIn(b"https://", relfile.read())
self.assertPostCondition()
@override_settings(
STATICFILES_DIRS=[os.path.join(TEST_ROOT, 'project', 'loop')],
STATICFILES_FINDERS=['django.contrib.staticfiles.finders.FileSystemFinder'],
)
def test_import_loop(self):
finders.get_finder.cache_clear()
err = StringIO()
with self.assertRaisesMessage(RuntimeError, 'Max post-process passes exceeded'):
call_command('collectstatic', interactive=False, verbosity=0, stderr=err)
self.assertEqual("Post-processing 'All' failed!\n\n", err.getvalue())
self.assertPostCondition()
def test_post_processing(self):
"""
post_processing behaves correctly.
Files that are alterable should always be post-processed; files that
aren't should be skipped.
collectstatic has already been called once in setUp() for this testcase,
therefore we check by verifying behavior on a second run.
"""
collectstatic_args = {
'interactive': False,
'verbosity': 0,
'link': False,
'clear': False,
'dry_run': False,
'post_process': True,
'use_default_ignore_patterns': True,
'ignore_patterns': ['*.ignoreme'],
}
collectstatic_cmd = CollectstaticCommand()
collectstatic_cmd.set_options(**collectstatic_args)
stats = collectstatic_cmd.collect()
self.assertIn(os.path.join('cached', 'css', 'window.css'), stats['post_processed'])
self.assertIn(os.path.join('cached', 'css', 'img', 'window.png'), stats['unmodified'])
self.assertIn(os.path.join('test', 'nonascii.css'), stats['post_processed'])
self.assertPostCondition()
def test_css_import_case_insensitive(self):
relpath = self.hashed_file_path("cached/styles_insensitive.css")
self.assertEqual(relpath, "cached/styles_insensitive.3fa427592a53.css")
with storage.staticfiles_storage.open(relpath) as relfile:
content = relfile.read()
self.assertNotIn(b"cached/other.css", content)
self.assertIn(b"other.d41d8cd98f00.css", content)
self.assertPostCondition()
@override_settings(
STATICFILES_DIRS=[os.path.join(TEST_ROOT, 'project', 'faulty')],
STATICFILES_FINDERS=['django.contrib.staticfiles.finders.FileSystemFinder'],
)
def test_post_processing_failure(self):
"""
post_processing indicates the origin of the error when it fails.
"""
finders.get_finder.cache_clear()
err = StringIO()
with self.assertRaises(Exception):
call_command('collectstatic', interactive=False, verbosity=0, stderr=err)
self.assertEqual("Post-processing 'faulty.css' failed!\n\n", err.getvalue())
self.assertPostCondition()
@override_settings(
STATICFILES_STORAGE='django.contrib.staticfiles.storage.CachedStaticFilesStorage',
)
class TestCollectionCachedStorage(TestHashedFiles, CollectionTestCase):
"""
Tests for the Cache busting storage
"""
def test_cache_invalidation(self):
name = "cached/styles.css"
hashed_name = "cached/styles.5e0040571e1a.css"
# check if the cache is filled correctly as expected
cache_key = storage.staticfiles_storage.hash_key(name)
cached_name = storage.staticfiles_storage.hashed_files.get(cache_key)
self.assertEqual(self.hashed_file_path(name), cached_name)
# clearing the cache to make sure we re-set it correctly in the url method
storage.staticfiles_storage.hashed_files.clear()
cached_name = storage.staticfiles_storage.hashed_files.get(cache_key)
self.assertIsNone(cached_name)
self.assertEqual(self.hashed_file_path(name), hashed_name)
cached_name = storage.staticfiles_storage.hashed_files.get(cache_key)
self.assertEqual(cached_name, hashed_name)
# Check files that had to be hashed multiple times since their content
# includes other files that were hashed.
name = 'cached/relative.css'
hashed_name = 'cached/relative.c3e9e1ea6f2e.css'
cache_key = storage.staticfiles_storage.hash_key(name)
cached_name = storage.staticfiles_storage.hashed_files.get(cache_key)
self.assertIsNone(cached_name)
self.assertEqual(self.hashed_file_path(name), hashed_name)
cached_name = storage.staticfiles_storage.hashed_files.get(cache_key)
self.assertEqual(cached_name, hashed_name)
def test_cache_key_memcache_validation(self):
"""
Handle cache key creation correctly, see #17861.
"""
name = (
"/some crazy/long filename/ with spaces Here and ?#%#$/other/stuff"
"/some crazy/long filename/ with spaces Here and ?#%#$/other/stuff"
"/some crazy/long filename/ with spaces Here and ?#%#$/other/stuff"
"/some crazy/long filename/ with spaces Here and ?#%#$/other/stuff"
"/some crazy/long filename/ with spaces Here and ?#%#$/other/stuff"
"/some crazy/\x16\xb4"
)
cache_key = storage.staticfiles_storage.hash_key(name)
cache_validator = BaseCache({})
cache_validator.validate_key(cache_key)
self.assertEqual(cache_key, 'staticfiles:821ea71ef36f95b3922a77f7364670e7')
def test_corrupt_intermediate_files(self):
configured_storage = storage.staticfiles_storage
# Clear cache to force rehashing of the files
configured_storage.hashed_files.clear()
# Simulate a corrupt chain of intermediate files by ensuring they don't
# resolve before the max post-process count, which would normally be
# high enough.
configured_storage.max_post_process_passes = 1
# File without intermediates that can be rehashed without a problem.
self.hashed_file_path('cached/css/img/window.png')
# File with too many intermediates to rehash with the low max
# post-process passes.
err_msg = "The name 'cached/styles.css' could not be hashed with %r." % (configured_storage._wrapped,)
with self.assertRaisesMessage(ValueError, err_msg):
self.hashed_file_path('cached/styles.css')
@override_settings(
STATICFILES_STORAGE='staticfiles_tests.storage.ExtraPatternsCachedStaticFilesStorage',
)
class TestExtraPatternsCachedStorage(CollectionTestCase):
def setUp(self):
storage.staticfiles_storage.hashed_files.clear() # avoid cache interference
super().setUp()
def cached_file_path(self, path):
fullpath = self.render_template(self.static_template_snippet(path))
return fullpath.replace(settings.STATIC_URL, '')
def test_multi_extension_patterns(self):
"""
With storage classes having several file extension patterns, only the
files matching a specific file pattern should be affected by the
substitution (#19670).
"""
# CSS files shouldn't be touched by JS patterns.
relpath = self.cached_file_path("cached/import.css")
self.assertEqual(relpath, "cached/import.f53576679e5a.css")
with storage.staticfiles_storage.open(relpath) as relfile:
self.assertIn(b'import url("styles.5e0040571e1a.css")', relfile.read())
# Confirm JS patterns have been applied to JS files.
relpath = self.cached_file_path("cached/test.js")
self.assertEqual(relpath, "cached/test.388d7a790d46.js")
with storage.staticfiles_storage.open(relpath) as relfile:
self.assertIn(b'JS_URL("import.f53576679e5a.css")', relfile.read())
@override_settings(
STATICFILES_STORAGE='django.contrib.staticfiles.storage.ManifestStaticFilesStorage',
)
class TestCollectionManifestStorage(TestHashedFiles, CollectionTestCase):
"""
Tests for the Cache busting storage
"""
def setUp(self):
super().setUp()
temp_dir = tempfile.mkdtemp()
os.makedirs(os.path.join(temp_dir, 'test'))
self._clear_filename = os.path.join(temp_dir, 'test', 'cleared.txt')
with open(self._clear_filename, 'w') as f:
f.write('to be deleted in one test')
self.patched_settings = self.settings(
STATICFILES_DIRS=settings.STATICFILES_DIRS + [temp_dir],
)
self.patched_settings.enable()
self.addCleanup(shutil.rmtree, temp_dir)
self._manifest_strict = storage.staticfiles_storage.manifest_strict
def tearDown(self):
self.patched_settings.disable()
if os.path.exists(self._clear_filename):
os.unlink(self._clear_filename)
storage.staticfiles_storage.manifest_strict = self._manifest_strict
super().tearDown()
def assertPostCondition(self):
hashed_files = storage.staticfiles_storage.hashed_files
# The in-memory version of the manifest matches the one on disk
# since a properly created manifest should cover all filenames.
if hashed_files:
manifest = storage.staticfiles_storage.load_manifest()
self.assertEqual(hashed_files, manifest)
def test_manifest_exists(self):
filename = storage.staticfiles_storage.manifest_name
path = storage.staticfiles_storage.path(filename)
self.assertTrue(os.path.exists(path))
def test_loaded_cache(self):
self.assertNotEqual(storage.staticfiles_storage.hashed_files, {})
manifest_content = storage.staticfiles_storage.read_manifest()
self.assertIn(
'"version": "%s"' % storage.staticfiles_storage.manifest_version,
manifest_content
)
def test_parse_cache(self):
hashed_files = storage.staticfiles_storage.hashed_files
manifest = storage.staticfiles_storage.load_manifest()
self.assertEqual(hashed_files, manifest)
def test_clear_empties_manifest(self):
cleared_file_name = storage.staticfiles_storage.clean_name(os.path.join('test', 'cleared.txt'))
# collect the additional file
self.run_collectstatic()
hashed_files = storage.staticfiles_storage.hashed_files
self.assertIn(cleared_file_name, hashed_files)
manifest_content = storage.staticfiles_storage.load_manifest()
self.assertIn(cleared_file_name, manifest_content)
original_path = storage.staticfiles_storage.path(cleared_file_name)
self.assertTrue(os.path.exists(original_path))
# delete the original file form the app, collect with clear
os.unlink(self._clear_filename)
self.run_collectstatic(clear=True)
self.assertFileNotFound(original_path)
hashed_files = storage.staticfiles_storage.hashed_files
self.assertNotIn(cleared_file_name, hashed_files)
manifest_content = storage.staticfiles_storage.load_manifest()
self.assertNotIn(cleared_file_name, manifest_content)
def test_missing_entry(self):
missing_file_name = 'cached/missing.css'
configured_storage = storage.staticfiles_storage
self.assertNotIn(missing_file_name, configured_storage.hashed_files)
# File name not found in manifest
with self.assertRaisesMessage(ValueError, "Missing staticfiles manifest entry for '%s'" % missing_file_name):
self.hashed_file_path(missing_file_name)
configured_storage.manifest_strict = False
# File doesn't exist on disk
err_msg = "The file '%s' could not be found with %r." % (missing_file_name, configured_storage._wrapped)
with self.assertRaisesMessage(ValueError, err_msg):
self.hashed_file_path(missing_file_name)
content = StringIO()
content.write('Found')
configured_storage.save(missing_file_name, content)
# File exists on disk
self.hashed_file_path(missing_file_name)
@override_settings(
STATICFILES_STORAGE='staticfiles_tests.storage.SimpleCachedStaticFilesStorage',
)
class TestCollectionSimpleCachedStorage(CollectionTestCase):
"""
Tests for the Cache busting storage
"""
hashed_file_path = hashed_file_path
def setUp(self):
storage.staticfiles_storage.hashed_files.clear() # avoid cache interference
super().setUp()
def test_template_tag_return(self):
"""
Test the CachedStaticFilesStorage backend.
"""
self.assertStaticRaises(ValueError, "does/not/exist.png", "/static/does/not/exist.png")
self.assertStaticRenders("test/file.txt", "/static/test/file.deploy12345.txt")
self.assertStaticRenders("cached/styles.css", "/static/cached/styles.deploy12345.css")
self.assertStaticRenders("path/", "/static/path/")
self.assertStaticRenders("path/?query", "/static/path/?query")
def test_template_tag_simple_content(self):
relpath = self.hashed_file_path("cached/styles.css")
self.assertEqual(relpath, "cached/styles.deploy12345.css")
with storage.staticfiles_storage.open(relpath) as relfile:
content = relfile.read()
self.assertNotIn(b"cached/other.css", content)
self.assertIn(b"other.deploy12345.css", content)
class CustomStaticFilesStorage(storage.StaticFilesStorage):
"""
Used in TestStaticFilePermissions
"""
def __init__(self, *args, **kwargs):
kwargs['file_permissions_mode'] = 0o640
kwargs['directory_permissions_mode'] = 0o740
super().__init__(*args, **kwargs)
@unittest.skipIf(sys.platform.startswith('win'), "Windows only partially supports chmod.")
class TestStaticFilePermissions(CollectionTestCase):
command_params = {
'interactive': False,
'verbosity': 0,
'ignore_patterns': ['*.ignoreme'],
}
def setUp(self):
self.umask = 0o027
self.old_umask = os.umask(self.umask)
super().setUp()
def tearDown(self):
os.umask(self.old_umask)
super().tearDown()
# Don't run collectstatic command in this test class.
def run_collectstatic(self, **kwargs):
pass
@override_settings(
FILE_UPLOAD_PERMISSIONS=0o655,
FILE_UPLOAD_DIRECTORY_PERMISSIONS=0o765,
)
def test_collect_static_files_permissions(self):
call_command('collectstatic', **self.command_params)
test_file = os.path.join(settings.STATIC_ROOT, "test.txt")
test_dir = os.path.join(settings.STATIC_ROOT, "subdir")
file_mode = os.stat(test_file)[0] & 0o777
dir_mode = os.stat(test_dir)[0] & 0o777
self.assertEqual(file_mode, 0o655)
self.assertEqual(dir_mode, 0o765)
@override_settings(
FILE_UPLOAD_PERMISSIONS=None,
FILE_UPLOAD_DIRECTORY_PERMISSIONS=None,
)
def test_collect_static_files_default_permissions(self):
call_command('collectstatic', **self.command_params)
test_file = os.path.join(settings.STATIC_ROOT, "test.txt")
test_dir = os.path.join(settings.STATIC_ROOT, "subdir")
file_mode = os.stat(test_file)[0] & 0o777
dir_mode = os.stat(test_dir)[0] & 0o777
self.assertEqual(file_mode, 0o666 & ~self.umask)
self.assertEqual(dir_mode, 0o777 & ~self.umask)
@override_settings(
FILE_UPLOAD_PERMISSIONS=0o655,
FILE_UPLOAD_DIRECTORY_PERMISSIONS=0o765,
STATICFILES_STORAGE='staticfiles_tests.test_storage.CustomStaticFilesStorage',
)
def test_collect_static_files_subclass_of_static_storage(self):
call_command('collectstatic', **self.command_params)
test_file = os.path.join(settings.STATIC_ROOT, "test.txt")
test_dir = os.path.join(settings.STATIC_ROOT, "subdir")
file_mode = os.stat(test_file)[0] & 0o777
dir_mode = os.stat(test_dir)[0] & 0o777
self.assertEqual(file_mode, 0o640)
self.assertEqual(dir_mode, 0o740)
@override_settings(
STATICFILES_STORAGE='django.contrib.staticfiles.storage.CachedStaticFilesStorage',
)
class TestCollectionHashedFilesCache(CollectionTestCase):
"""
Files referenced from CSS use the correct final hashed name regardless of
the order in which the files are post-processed.
"""
hashed_file_path = hashed_file_path
def setUp(self):
super().setUp()
self._temp_dir = temp_dir = tempfile.mkdtemp()
os.makedirs(os.path.join(temp_dir, 'test'))
self.addCleanup(shutil.rmtree, temp_dir)
def _get_filename_path(self, filename):
return os.path.join(self._temp_dir, 'test', filename)
def test_file_change_after_collectstatic(self):
# Create initial static files.
file_contents = (
('foo.png', 'foo'),
('bar.css', 'url("foo.png")\nurl("xyz.png")'),
('xyz.png', 'xyz'),
)
for filename, content in file_contents:
with open(self._get_filename_path(filename), 'w') as f:
f.write(content)
with self.modify_settings(STATICFILES_DIRS={'append': self._temp_dir}):
finders.get_finder.cache_clear()
err = StringIO()
# First collectstatic run.
call_command('collectstatic', interactive=False, verbosity=0, stderr=err)
relpath = self.hashed_file_path('test/bar.css')
with storage.staticfiles_storage.open(relpath) as relfile:
content = relfile.read()
self.assertIn(b'foo.acbd18db4cc2.png', content)
self.assertIn(b'xyz.d16fb36f0911.png', content)
# Change the contents of the png files.
for filename in ('foo.png', 'xyz.png'):
with open(self._get_filename_path(filename), 'w+b') as f:
f.write(b"new content of file to change its hash")
# The hashes of the png files in the CSS file are updated after
# a second collectstatic.
call_command('collectstatic', interactive=False, verbosity=0, stderr=err)
relpath = self.hashed_file_path('test/bar.css')
with storage.staticfiles_storage.open(relpath) as relfile:
content = relfile.read()
self.assertIn(b'foo.57a5cb9ba68d.png', content)
self.assertIn(b'xyz.57a5cb9ba68d.png', content)