mirror of
https://github.com/django/django.git
synced 2024-11-18 07:26:04 +00:00
247 lines
9.9 KiB
Python
247 lines
9.9 KiB
Python
import os.path
|
|
import sys
|
|
import tempfile
|
|
import unittest
|
|
from contextlib import contextmanager
|
|
|
|
from django.template import TemplateDoesNotExist
|
|
from django.template.engine import Engine
|
|
from django.test import SimpleTestCase, override_settings
|
|
from django.utils.functional import lazystr
|
|
|
|
from .utils import TEMPLATE_DIR
|
|
|
|
|
|
class CachedLoaderTests(SimpleTestCase):
|
|
|
|
def setUp(self):
|
|
self.engine = Engine(
|
|
dirs=[TEMPLATE_DIR],
|
|
loaders=[
|
|
('django.template.loaders.cached.Loader', [
|
|
'django.template.loaders.filesystem.Loader',
|
|
]),
|
|
],
|
|
)
|
|
|
|
def test_get_template(self):
|
|
template = self.engine.get_template('index.html')
|
|
self.assertEqual(template.origin.name, os.path.join(TEMPLATE_DIR, 'index.html'))
|
|
self.assertEqual(template.origin.template_name, 'index.html')
|
|
self.assertEqual(template.origin.loader, self.engine.template_loaders[0].loaders[0])
|
|
|
|
cache = self.engine.template_loaders[0].get_template_cache
|
|
self.assertEqual(cache['index.html'], template)
|
|
|
|
# Run a second time from cache
|
|
template = self.engine.get_template('index.html')
|
|
self.assertEqual(template.origin.name, os.path.join(TEMPLATE_DIR, 'index.html'))
|
|
self.assertEqual(template.origin.template_name, 'index.html')
|
|
self.assertEqual(template.origin.loader, self.engine.template_loaders[0].loaders[0])
|
|
|
|
def test_get_template_missing_debug_off(self):
|
|
"""
|
|
With template debugging disabled, the raw TemplateDoesNotExist class
|
|
should be cached when a template is missing. See ticket #26306 and
|
|
docstrings in the cached loader for details.
|
|
"""
|
|
self.engine.debug = False
|
|
with self.assertRaises(TemplateDoesNotExist):
|
|
self.engine.get_template('prod-template-missing.html')
|
|
e = self.engine.template_loaders[0].get_template_cache['prod-template-missing.html']
|
|
self.assertEqual(e, TemplateDoesNotExist)
|
|
|
|
def test_get_template_missing_debug_on(self):
|
|
"""
|
|
With template debugging enabled, a TemplateDoesNotExist instance
|
|
should be cached when a template is missing.
|
|
"""
|
|
self.engine.debug = True
|
|
with self.assertRaises(TemplateDoesNotExist):
|
|
self.engine.get_template('debug-template-missing.html')
|
|
e = self.engine.template_loaders[0].get_template_cache['debug-template-missing.html']
|
|
self.assertIsInstance(e, TemplateDoesNotExist)
|
|
self.assertEqual(e.args[0], 'debug-template-missing.html')
|
|
|
|
def test_cached_exception_no_traceback(self):
|
|
"""
|
|
When a TemplateDoesNotExist instance is cached, the cached instance
|
|
should not contain the __traceback__, __context__, or __cause__
|
|
attributes that Python sets when raising exceptions.
|
|
"""
|
|
self.engine.debug = True
|
|
with self.assertRaises(TemplateDoesNotExist):
|
|
self.engine.get_template('no-traceback-in-cache.html')
|
|
e = self.engine.template_loaders[0].get_template_cache['no-traceback-in-cache.html']
|
|
|
|
error_msg = "Cached TemplateDoesNotExist must not have been thrown."
|
|
self.assertIsNone(e.__traceback__, error_msg)
|
|
self.assertIsNone(e.__context__, error_msg)
|
|
self.assertIsNone(e.__cause__, error_msg)
|
|
|
|
def test_template_name_leading_dash_caching(self):
|
|
"""
|
|
#26536 -- A leading dash in a template name shouldn't be stripped
|
|
from its cache key.
|
|
"""
|
|
self.assertEqual(self.engine.template_loaders[0].cache_key('-template.html', []), '-template.html')
|
|
|
|
def test_template_name_lazy_string(self):
|
|
"""
|
|
#26603 -- A template name specified as a lazy string should be forced
|
|
to text before computing its cache key.
|
|
"""
|
|
self.assertEqual(self.engine.template_loaders[0].cache_key(lazystr('template.html'), []), 'template.html')
|
|
|
|
|
|
class FileSystemLoaderTests(SimpleTestCase):
|
|
|
|
@classmethod
|
|
def setUpClass(cls):
|
|
cls.engine = Engine(dirs=[TEMPLATE_DIR], loaders=['django.template.loaders.filesystem.Loader'])
|
|
super().setUpClass()
|
|
|
|
@contextmanager
|
|
def set_dirs(self, dirs):
|
|
original_dirs = self.engine.dirs
|
|
self.engine.dirs = dirs
|
|
try:
|
|
yield
|
|
finally:
|
|
self.engine.dirs = original_dirs
|
|
|
|
@contextmanager
|
|
def source_checker(self, dirs):
|
|
loader = self.engine.template_loaders[0]
|
|
|
|
def check_sources(path, expected_sources):
|
|
expected_sources = [os.path.abspath(s) for s in expected_sources]
|
|
self.assertEqual(
|
|
[origin.name for origin in loader.get_template_sources(path)],
|
|
expected_sources,
|
|
)
|
|
|
|
with self.set_dirs(dirs):
|
|
yield check_sources
|
|
|
|
def test_get_template(self):
|
|
template = self.engine.get_template('index.html')
|
|
self.assertEqual(template.origin.name, os.path.join(TEMPLATE_DIR, 'index.html'))
|
|
self.assertEqual(template.origin.template_name, 'index.html')
|
|
self.assertEqual(template.origin.loader, self.engine.template_loaders[0])
|
|
self.assertEqual(template.origin.loader_name, 'django.template.loaders.filesystem.Loader')
|
|
|
|
def test_loaders_dirs(self):
|
|
engine = Engine(loaders=[('django.template.loaders.filesystem.Loader', [TEMPLATE_DIR])])
|
|
template = engine.get_template('index.html')
|
|
self.assertEqual(template.origin.name, os.path.join(TEMPLATE_DIR, 'index.html'))
|
|
|
|
def test_loaders_dirs_empty(self):
|
|
"""An empty dirs list in loaders overrides top level dirs."""
|
|
engine = Engine(dirs=[TEMPLATE_DIR], loaders=[('django.template.loaders.filesystem.Loader', [])])
|
|
with self.assertRaises(TemplateDoesNotExist):
|
|
engine.get_template('index.html')
|
|
|
|
def test_directory_security(self):
|
|
with self.source_checker(['/dir1', '/dir2']) as check_sources:
|
|
check_sources('index.html', ['/dir1/index.html', '/dir2/index.html'])
|
|
check_sources('/etc/passwd', [])
|
|
check_sources('etc/passwd', ['/dir1/etc/passwd', '/dir2/etc/passwd'])
|
|
check_sources('../etc/passwd', [])
|
|
check_sources('../../../etc/passwd', [])
|
|
check_sources('/dir1/index.html', ['/dir1/index.html'])
|
|
check_sources('../dir2/index.html', ['/dir2/index.html'])
|
|
check_sources('/dir1blah', [])
|
|
check_sources('../dir1blah', [])
|
|
|
|
def test_unicode_template_name(self):
|
|
with self.source_checker(['/dir1', '/dir2']) as check_sources:
|
|
# UTF-8 bytestrings are permitted.
|
|
check_sources(b'\xc3\x85ngstr\xc3\xb6m', ['/dir1/Ångström', '/dir2/Ångström'])
|
|
# Strings are permitted.
|
|
check_sources('Ångström', ['/dir1/Ångström', '/dir2/Ångström'])
|
|
|
|
def test_utf8_bytestring(self):
|
|
"""
|
|
Invalid UTF-8 encoding in bytestrings should raise a useful error
|
|
"""
|
|
engine = self.engine
|
|
loader = engine.template_loaders[0]
|
|
with self.assertRaises(UnicodeDecodeError):
|
|
list(loader.get_template_sources(b'\xc3\xc3'))
|
|
|
|
def test_unicode_dir_name(self):
|
|
with self.source_checker([b'/Stra\xc3\x9fe']) as check_sources:
|
|
check_sources('Ångström', ['/Straße/Ångström'])
|
|
check_sources(b'\xc3\x85ngstr\xc3\xb6m', ['/Straße/Ångström'])
|
|
|
|
@unittest.skipUnless(
|
|
os.path.normcase('/TEST') == os.path.normpath('/test'),
|
|
"This test only runs on case-sensitive file systems.",
|
|
)
|
|
def test_case_sensitivity(self):
|
|
with self.source_checker(['/dir1', '/DIR2']) as check_sources:
|
|
check_sources('index.html', ['/dir1/index.html', '/DIR2/index.html'])
|
|
check_sources('/DIR1/index.HTML', ['/DIR1/index.HTML'])
|
|
|
|
def test_file_does_not_exist(self):
|
|
with self.assertRaises(TemplateDoesNotExist):
|
|
self.engine.get_template('doesnotexist.html')
|
|
|
|
@unittest.skipIf(
|
|
sys.platform == 'win32',
|
|
"Python on Windows doesn't have working os.chmod().",
|
|
)
|
|
def test_permissions_error(self):
|
|
with tempfile.NamedTemporaryFile() as tmpfile:
|
|
tmpdir = os.path.dirname(tmpfile.name)
|
|
tmppath = os.path.join(tmpdir, tmpfile.name)
|
|
os.chmod(tmppath, 0o0222)
|
|
with self.set_dirs([tmpdir]):
|
|
with self.assertRaisesMessage(IOError, 'Permission denied'):
|
|
self.engine.get_template(tmpfile.name)
|
|
|
|
def test_notafile_error(self):
|
|
with self.assertRaises(IOError):
|
|
self.engine.get_template('first')
|
|
|
|
|
|
class AppDirectoriesLoaderTests(SimpleTestCase):
|
|
|
|
@classmethod
|
|
def setUpClass(cls):
|
|
cls.engine = Engine(
|
|
loaders=['django.template.loaders.app_directories.Loader'],
|
|
)
|
|
super().setUpClass()
|
|
|
|
@override_settings(INSTALLED_APPS=['template_tests'])
|
|
def test_get_template(self):
|
|
template = self.engine.get_template('index.html')
|
|
self.assertEqual(template.origin.name, os.path.join(TEMPLATE_DIR, 'index.html'))
|
|
self.assertEqual(template.origin.template_name, 'index.html')
|
|
self.assertEqual(template.origin.loader, self.engine.template_loaders[0])
|
|
|
|
@override_settings(INSTALLED_APPS=[])
|
|
def test_not_installed(self):
|
|
with self.assertRaises(TemplateDoesNotExist):
|
|
self.engine.get_template('index.html')
|
|
|
|
|
|
class LocmemLoaderTests(SimpleTestCase):
|
|
|
|
@classmethod
|
|
def setUpClass(cls):
|
|
cls.engine = Engine(
|
|
loaders=[('django.template.loaders.locmem.Loader', {
|
|
'index.html': 'index',
|
|
})],
|
|
)
|
|
super().setUpClass()
|
|
|
|
def test_get_template(self):
|
|
template = self.engine.get_template('index.html')
|
|
self.assertEqual(template.origin.name, 'index.html')
|
|
self.assertEqual(template.origin.template_name, 'index.html')
|
|
self.assertEqual(template.origin.loader, self.engine.template_loaders[0])
|