Commit 2d7a3e71 authored by Luke Plant's avatar Luke Plant
Browse files

[1.2.X] Fixed #14254 - More tests for storage backends

Thanks to steph for the patch, also to tobias for cleanups.

Backport of [13852] from trunk

git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.2.X@13854 bcc190cf-cafb-0310-a4f2-bffc1f526a37
parent 238eea44
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+138 −4
Original line number Diff line number Diff line
@@ -8,10 +8,11 @@ import unittest
from cStringIO import StringIO
from django.conf import settings
from django.core.exceptions import SuspiciousOperation
from django.core.files.base import ContentFile
from django.core.files.base import ContentFile, File
from django.core.files.images import get_image_dimensions
from django.core.files.storage import FileSystemStorage
from django.core.files.storage import FileSystemStorage, get_storage_class
from django.core.files.uploadedfile import UploadedFile
from django.core.exceptions import ImproperlyConfigured
from unittest import TestCase
try:
    import threading
@@ -29,16 +30,66 @@ except ImportError:
    except ImportError:
        Image = None

class GetStorageClassTests(unittest.TestCase):
    def assertRaisesErrorWithMessage(self, error, message, callable,
        *args, **kwargs):
        self.assertRaises(error, callable, *args, **kwargs)
        try:
            callable(*args, **kwargs)
        except error, e:
            self.assertEqual(message, str(e))

    def test_get_filesystem_storage(self):
        """
        get_storage_class returns the class for a storage backend name/path.
        """
        self.assertEqual(
            get_storage_class('django.core.files.storage.FileSystemStorage'),
            FileSystemStorage)

    def test_get_invalid_storage_module(self):
        """
        get_storage_class raises an error if the requested import don't exist.
        """
        self.assertRaisesErrorWithMessage(
            ImproperlyConfigured,
            "NonExistingStorage isn't a storage module.",
            get_storage_class,
            'NonExistingStorage')

    def test_get_nonexisting_storage_class(self):
        """
        get_storage_class raises an error if the requested class don't exist.
        """
        self.assertRaisesErrorWithMessage(
            ImproperlyConfigured,
            'Storage module "django.core.files.storage" does not define a '\
                '"NonExistingStorage" class.',
            get_storage_class,
            'django.core.files.storage.NonExistingStorage')

    def test_get_nonexisting_storage_module(self):
        """
        get_storage_class raises an error if the requested module don't exist.
        """
        self.assertRaisesErrorWithMessage(
            ImproperlyConfigured,
            'Error importing storage module django.core.files.non_existing_'\
                'storage: "No module named non_existing_storage"',
            get_storage_class,
            'django.core.files.non_existing_storage.NonExistingStorage')

class FileStorageTests(unittest.TestCase):
    storage_class = FileSystemStorage
    
    def setUp(self):
        self.temp_dir = tempfile.mktemp()
        os.makedirs(self.temp_dir)
        self.storage = self.storage_class(location=self.temp_dir)
        self.storage = self.storage_class(location=self.temp_dir,
            base_url='/test_media_url/')
    
    def tearDown(self):
        os.rmdir(self.temp_dir)
        shutil.rmtree(self.temp_dir)
        
    def test_file_access_options(self):
        """
@@ -57,6 +108,89 @@ class FileStorageTests(unittest.TestCase):
        self.storage.delete('storage_test')
        self.failIf(self.storage.exists('storage_test'))

    def test_file_save_without_name(self):
        """
        File storage extracts the filename from the content object if no
        name is given explicitly.
        """
        self.failIf(self.storage.exists('test.file'))

        f = ContentFile('custom contents')
        f.name = 'test.file'

        storage_f_name = self.storage.save(None, f)

        self.assertEqual(storage_f_name, f.name)

        self.assert_(os.path.exists(os.path.join(self.temp_dir, f.name)))

        self.storage.delete(storage_f_name)

    def test_file_path(self):
        """
        File storage returns the full path of a file
        """
        self.failIf(self.storage.exists('test.file'))

        f = ContentFile('custom contents')
        f_name = self.storage.save('test.file', f)

        self.assertEqual(self.storage.path(f_name),
            os.path.join(self.temp_dir, f_name))

        self.storage.delete(f_name)

    def test_file_url(self):
        """
        File storage returns a url to access a given file from the web.
        """
        self.assertEqual(self.storage.url('test.file'),
            '%s%s' % (self.storage.base_url, 'test.file'))

        self.storage.base_url = None
        self.assertRaises(ValueError, self.storage.url, 'test.file')

    def test_file_with_mixin(self):
        """
        File storage can get a mixin to extend the functionality of the
        returned file.
        """
        self.failIf(self.storage.exists('test.file'))

        class TestFileMixin(object):
            mixed_in = True

        f = ContentFile('custom contents')
        f_name = self.storage.save('test.file', f)

        self.assert_(isinstance(
            self.storage.open('test.file', mixin=TestFileMixin),
            TestFileMixin
        ))

        self.storage.delete('test.file')

    def test_listdir(self):
        """
        File storage returns a tuple containing directories and files.
        """
        self.failIf(self.storage.exists('storage_test_1'))
        self.failIf(self.storage.exists('storage_test_2'))
        self.failIf(self.storage.exists('storage_dir_1'))

        f = self.storage.save('storage_test_1', ContentFile('custom content'))
        f = self.storage.save('storage_test_2', ContentFile('custom content'))
        os.mkdir(os.path.join(self.temp_dir, 'storage_dir_1'))

        dirs, files = self.storage.listdir('')
        self.assertEqual(set(dirs), set([u'storage_dir_1']))
        self.assertEqual(set(files),
                         set([u'storage_test_1', u'storage_test_2']))

        self.storage.delete('storage_test_1')
        self.storage.delete('storage_test_2')
        os.rmdir(os.path.join(self.temp_dir, 'storage_dir_1'))

    def test_file_storage_prevents_directory_traversal(self):
        """
        File storage prevents directory traversal (files can only be accessed if