mirror of
https://github.com/django/django.git
synced 2024-12-30 13:05:45 +00:00
243 lines
8.2 KiB
Python
243 lines
8.2 KiB
Python
# -*- coding: utf-8 -*-
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from __future__ import unicode_literals
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import os.path
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import sys
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import types
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import unittest
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from contextlib import contextmanager
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from django.template import Context, TemplateDoesNotExist
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from django.template.engine import Engine
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from django.test import SimpleTestCase, override_settings
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from django.utils import six
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from .utils import TEMPLATE_DIR
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try:
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import pkg_resources
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except ImportError:
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pkg_resources = None
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class CachedLoaderTests(SimpleTestCase):
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def create_engine(self, **kwargs):
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return Engine(
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loaders=[
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('django.template.loaders.cached.Loader', [
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'django.template.loaders.filesystem.Loader',
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]),
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],
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)
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def test_templatedir_caching(self):
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"""
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#13573 -- Template directories should be part of the cache key.
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"""
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engine = self.create_engine()
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# Retrieve a template specifying a template directory to check
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t1, name = engine.find_template('test.html', (os.path.join(TEMPLATE_DIR, 'first'),))
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# Now retrieve the same template name, but from a different directory
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t2, name = engine.find_template('test.html', (os.path.join(TEMPLATE_DIR, 'second'),))
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# The two templates should not have the same content
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self.assertNotEqual(t1.render(Context({})), t2.render(Context({})))
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def test_missing_template_is_cached(self):
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"""
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#19949 -- TemplateDoesNotExist exceptions should be cached.
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"""
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engine = self.create_engine()
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loader = engine.template_loaders[0]
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self.assertFalse('missing.html' in loader.template_cache)
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with self.assertRaises(TemplateDoesNotExist):
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loader.load_template("missing.html")
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self.assertEqual(
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loader.template_cache["missing.html"],
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TemplateDoesNotExist,
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"Cached loader failed to cache the TemplateDoesNotExist exception",
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)
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def test_debug_nodelist_name(self):
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template_name = 'index.html'
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engine = Engine(dirs=[TEMPLATE_DIR], debug=True)
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template = engine.get_template(template_name)
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name = template.nodelist[0].source[0].name
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self.assertTrue(
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name.endswith(template_name),
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'Template loaded through cached loader has incorrect name for debug page: %s' % template_name,
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)
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template = engine.get_template(template_name)
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name = template.nodelist[0].source[0].name
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self.assertTrue(
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name.endswith(template_name),
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'Cached template loaded through cached loader has incorrect name for debug page: %s' % template_name,
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)
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@unittest.skipUnless(pkg_resources, 'setuptools is not installed')
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class EggLoaderTests(SimpleTestCase):
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@contextmanager
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def create_egg(self, name, resources):
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"""
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Creates a mock egg with a list of resources.
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name: The name of the module.
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resources: A dictionary of template names mapped to file-like objects.
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"""
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if six.PY2:
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name = name.encode('utf-8')
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class MockLoader(object):
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pass
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class MockProvider(pkg_resources.NullProvider):
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def __init__(self, module):
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pkg_resources.NullProvider.__init__(self, module)
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self.module = module
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def _has(self, path):
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return path in self.module._resources
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def _isdir(self, path):
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return False
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def get_resource_stream(self, manager, resource_name):
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return self.module._resources[resource_name]
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def _get(self, path):
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return self.module._resources[path].read()
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def _fn(self, base, resource_name):
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return os.path.normcase(resource_name)
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egg = types.ModuleType(name)
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egg.__loader__ = MockLoader()
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egg.__path__ = ['/some/bogus/path/']
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egg.__file__ = '/some/bogus/path/__init__.pyc'
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egg._resources = resources
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sys.modules[name] = egg
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pkg_resources._provider_factories[MockLoader] = MockProvider
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try:
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yield
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finally:
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del sys.modules[name]
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del pkg_resources._provider_factories[MockLoader]
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def setUp(self):
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engine = Engine(loaders=[
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'django.template.loaders.eggs.Loader',
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])
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self.loader = engine.template_loaders[0]
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def test_existing(self):
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templates = {
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os.path.normcase('templates/y.html'): six.StringIO("y"),
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}
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with self.create_egg('egg', templates):
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with override_settings(INSTALLED_APPS=['egg']):
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contents, template_name = self.loader.load_template_source("y.html")
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self.assertEqual(contents, "y")
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self.assertEqual(template_name, "egg:egg:templates/y.html")
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def test_non_existing(self):
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"""
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Template loading fails if the template is not in the egg.
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"""
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with self.create_egg('egg', {}):
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with override_settings(INSTALLED_APPS=['egg']):
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with self.assertRaises(TemplateDoesNotExist):
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self.loader.load_template_source("not-existing.html")
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def test_not_installed(self):
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"""
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Template loading fails if the egg is not in INSTALLED_APPS.
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"""
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templates = {
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os.path.normcase('templates/y.html'): six.StringIO("y"),
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}
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with self.create_egg('egg', templates):
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with self.assertRaises(TemplateDoesNotExist):
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self.loader.load_template_source("y.html")
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class FileSystemLoaderTests(SimpleTestCase):
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def setUp(self):
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self.engine = Engine()
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@contextmanager
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def source_checker(self, dirs):
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loader = self.engine.template_loaders[0]
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def check_sources(path, expected_sources):
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expected_sources = [os.path.abspath(s) for s in expected_sources]
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self.assertEqual(
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list(loader.get_template_sources(path, dirs)),
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expected_sources,
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)
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yield check_sources
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def test_directory_security(self):
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with self.source_checker(['/dir1', '/dir2']) as check_sources:
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check_sources('index.html', ['/dir1/index.html', '/dir2/index.html'])
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check_sources('/etc/passwd', [])
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check_sources('etc/passwd', ['/dir1/etc/passwd', '/dir2/etc/passwd'])
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check_sources('../etc/passwd', [])
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check_sources('../../../etc/passwd', [])
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check_sources('/dir1/index.html', ['/dir1/index.html'])
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check_sources('../dir2/index.html', ['/dir2/index.html'])
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check_sources('/dir1blah', [])
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check_sources('../dir1blah', [])
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def test_unicode_template_name(self):
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with self.source_checker(['/dir1', '/dir2']) as check_sources:
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# UTF-8 bytestrings are permitted.
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check_sources(b'\xc3\x85ngstr\xc3\xb6m', ['/dir1/Ångström', '/dir2/Ångström'])
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# Unicode strings are permitted.
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check_sources('Ångström', ['/dir1/Ångström', '/dir2/Ångström'])
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def test_utf8_bytestring(self):
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"""
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Invalid UTF-8 encoding in bytestrings should raise a useful error
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"""
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engine = Engine()
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loader = engine.template_loaders[0]
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with self.assertRaises(UnicodeDecodeError):
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list(loader.get_template_sources(b'\xc3\xc3', ['/dir1']))
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def test_unicode_dir_name(self):
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with self.source_checker([b'/Stra\xc3\x9fe']) as check_sources:
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check_sources('Ångström', ['/Straße/Ångström'])
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check_sources(b'\xc3\x85ngstr\xc3\xb6m', ['/Straße/Ångström'])
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@unittest.skipUnless(
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os.path.normcase('/TEST') == os.path.normpath('/test'),
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"This test only runs on case-sensitive file systems.",
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)
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def test_case_sensitivity(self):
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with self.source_checker(['/dir1', '/DIR2']) as check_sources:
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check_sources('index.html', ['/dir1/index.html', '/DIR2/index.html'])
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check_sources('/DIR1/index.HTML', ['/DIR1/index.HTML'])
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class AppDirectoriesLoaderTest(FileSystemLoaderTests):
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def setUp(self):
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self.engine = Engine(
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loaders=['django.template.loaders.app_directories.Loader'],
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)
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