mediagoblin/tests/test_storage.py

   1 # GNU MediaGoblin -- federated, autonomous media hosting
   2 # Copyright (C) 2011, 2012 MediaGoblin contributors.  See AUTHORS.
   3 #
   4 # This program is free software: you can redistribute it and/or modify
   5 # it under the terms of the GNU Affero General Public License as published by
   6 # the Free Software Foundation, either version 3 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU Affero General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU Affero General Public License
  15 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17
  18 import os
  19 import tempfile
  20
  21 import pytest
  22 import six
  23
  24 from werkzeug.utils import secure_filename
  25
  26 from mediagoblin import storage
  27
  28
  29 ################
  30 # Test utilities
  31 ################
  32
  33 def test_clean_listy_filepath():
  34     expected = [u'dir1', u'dir2', u'linooks.jpg']
  35     assert storage.clean_listy_filepath(
  36         ['dir1', 'dir2', 'linooks.jpg']) == expected
  37
  38     expected = [u'dir1', u'foo_.._nasty', u'linooks.jpg']
  39     assert storage.clean_listy_filepath(
  40         ['/dir1/', 'foo/../nasty', 'linooks.jpg']) == expected
  41
  42     expected = [u'etc', u'passwd']
  43     assert storage.clean_listy_filepath(
  44         ['../../../etc/', 'passwd']) == expected
  45
  46     with pytest.raises(storage.InvalidFilepath):
  47         storage.clean_listy_filepath(['../../', 'linooks.jpg'])
  48
  49
  50 class FakeStorageSystem(object):
  51     def __init__(self, foobie, blech, **kwargs):
  52         self.foobie = foobie
  53         self.blech = blech
  54
  55 class FakeRemoteStorage(storage.filestorage.BasicFileStorage):
  56     # Theoretically despite this, all the methods should work but it
  57     # should force copying to the workbench
  58     local_storage = False
  59
  60     def copy_local_to_storage(self, *args, **kwargs):
  61         return storage.StorageInterface.copy_local_to_storage(
  62             self, *args, **kwargs)
  63
  64
  65 def test_storage_system_from_config():
  66     this_storage = storage.storage_system_from_config(
  67         {'base_url': 'http://example.org/moodia/',
  68          'base_dir': '/tmp/',
  69          'garbage_arg': 'garbage_arg',
  70          'garbage_arg': 'trash'})
  71     assert this_storage.base_url == 'http://example.org/moodia/'
  72     assert this_storage.base_dir == '/tmp/'
  73     assert this_storage.__class__ is storage.filestorage.BasicFileStorage
  74
  75     this_storage = storage.storage_system_from_config(
  76         {'foobie': 'eiboof',
  77          'blech': 'hcelb',
  78          'garbage_arg': 'garbage_arg',
  79          'storage_class':
  80              'mediagoblin.tests.test_storage:FakeStorageSystem'})
  81     assert this_storage.foobie == 'eiboof'
  82     assert this_storage.blech == 'hcelb'
  83     assert six.text_type(this_storage.__class__) == \
  84         u"<class 'mediagoblin.tests.test_storage.FakeStorageSystem'>"
  85
  86
  87 ##########################
  88 # Basic file storage tests
  89 ##########################
  90
  91 def get_tmp_filestorage(mount_url=None, fake_remote=False):
  92     tmpdir = tempfile.mkdtemp(prefix="test_gmg_storage")
  93     if fake_remote:
  94         this_storage = FakeRemoteStorage(tmpdir, mount_url)
  95     else:
  96         this_storage = storage.filestorage.BasicFileStorage(tmpdir, mount_url)
  97     return tmpdir, this_storage
  98
  99
 100 def cleanup_storage(this_storage, tmpdir, *paths):
 101     for p in paths:
 102         while p:
 103             assert this_storage.delete_dir(p) == True
 104             p.pop(-1)
 105     os.rmdir(tmpdir)
 106
 107
 108 def test_basic_storage__resolve_filepath():
 109     tmpdir, this_storage = get_tmp_filestorage()
 110
 111     result = this_storage._resolve_filepath(['dir1', 'dir2', 'filename.jpg'])
 112     assert result == os.path.join(
 113         tmpdir, 'dir1/dir2/filename.jpg')
 114
 115     result = this_storage._resolve_filepath(['../../etc/', 'passwd'])
 116     assert result == os.path.join(
 117         tmpdir, 'etc/passwd')
 118
 119     pytest.raises(
 120         storage.InvalidFilepath,
 121         this_storage._resolve_filepath,
 122         ['../../', 'etc', 'passwd'])
 123
 124     cleanup_storage(this_storage, tmpdir)
 125
 126
 127 def test_basic_storage_file_exists():
 128     tmpdir, this_storage = get_tmp_filestorage()
 129
 130     os.makedirs(os.path.join(tmpdir, 'dir1', 'dir2'))
 131     filename = os.path.join(tmpdir, 'dir1', 'dir2', 'filename.txt')
 132     with open(filename, 'w') as ourfile:
 133         ourfile.write("I'm having a lovely day!")
 134
 135     assert this_storage.file_exists(['dir1', 'dir2', 'filename.txt'])
 136     assert not this_storage.file_exists(['dir1', 'dir2', 'thisfile.lol'])
 137     assert not this_storage.file_exists(['dnedir1', 'dnedir2', 'somefile.lol'])
 138
 139     this_storage.delete_file(['dir1', 'dir2', 'filename.txt'])
 140     cleanup_storage(this_storage, tmpdir, ['dir1', 'dir2'])
 141
 142
 143 def test_basic_storage_get_unique_filepath():
 144     tmpdir, this_storage = get_tmp_filestorage()
 145
 146     # write something that exists
 147     os.makedirs(os.path.join(tmpdir, 'dir1', 'dir2'))
 148     filename = os.path.join(tmpdir, 'dir1', 'dir2', 'filename.txt')
 149     with open(filename, 'w') as ourfile:
 150         ourfile.write("I'm having a lovely day!")
 151
 152     # now we want something new, with the same name!
 153     new_filepath = this_storage.get_unique_filepath(
 154         ['dir1', 'dir2', 'filename.txt'])
 155     assert new_filepath[:-1] == [u'dir1', u'dir2']
 156
 157     new_filename = new_filepath[-1]
 158     assert new_filename.endswith('filename.txt')
 159     assert len(new_filename) > len('filename.txt')
 160     assert new_filename == secure_filename(new_filename)
 161
 162     os.remove(filename)
 163     cleanup_storage(this_storage, tmpdir, ['dir1', 'dir2'])
 164
 165
 166 def test_basic_storage_get_file():
 167     tmpdir, this_storage = get_tmp_filestorage()
 168
 169     # Write a brand new file
 170     filepath = ['dir1', 'dir2', 'ourfile.txt']
 171
 172     with this_storage.get_file(filepath, 'w') as our_file:
 173         our_file.write('First file')
 174     with this_storage.get_file(filepath, 'r') as our_file:
 175         assert our_file.read() == 'First file'
 176     assert os.path.exists(os.path.join(tmpdir, 'dir1/dir2/ourfile.txt'))
 177     with open(os.path.join(tmpdir, 'dir1/dir2/ourfile.txt'), 'r') as our_file:
 178         assert our_file.read() == 'First file'
 179
 180     # Write to the same path but try to get a unique file.
 181     new_filepath = this_storage.get_unique_filepath(filepath)
 182     assert not os.path.exists(os.path.join(tmpdir, *new_filepath))
 183
 184     with this_storage.get_file(new_filepath, 'w') as our_file:
 185         our_file.write('Second file')
 186     with this_storage.get_file(new_filepath, 'r') as our_file:
 187         assert our_file.read() == 'Second file'
 188     assert os.path.exists(os.path.join(tmpdir, *new_filepath))
 189     with open(os.path.join(tmpdir, *new_filepath), 'r') as our_file:
 190         assert our_file.read() == 'Second file'
 191
 192     # Read from an existing file
 193     manually_written_file = os.makedirs(
 194         os.path.join(tmpdir, 'testydir'))
 195     with open(os.path.join(tmpdir, 'testydir/testyfile.txt'), 'w') as testyfile:
 196         testyfile.write('testy file!  so testy.')
 197
 198     with this_storage.get_file(['testydir', 'testyfile.txt']) as testyfile:
 199         assert testyfile.read() == 'testy file!  so testy.'
 200
 201     this_storage.delete_file(filepath)
 202     this_storage.delete_file(new_filepath)
 203     this_storage.delete_file(['testydir', 'testyfile.txt'])
 204     cleanup_storage(this_storage, tmpdir, ['dir1', 'dir2'], ['testydir'])
 205
 206
 207 def test_basic_storage_delete_file():
 208     tmpdir, this_storage = get_tmp_filestorage()
 209
 210     assert not os.path.exists(
 211         os.path.join(tmpdir, 'dir1/dir2/ourfile.txt'))
 212
 213     filepath = ['dir1', 'dir2', 'ourfile.txt']
 214     with this_storage.get_file(filepath, 'w') as our_file:
 215         our_file.write('Testing this file')
 216
 217     assert os.path.exists(
 218         os.path.join(tmpdir, 'dir1/dir2/ourfile.txt'))
 219
 220     assert this_storage.delete_dir(['dir1', 'dir2']) == False
 221     this_storage.delete_file(filepath)
 222     assert this_storage.delete_dir(['dir1', 'dir2']) == True
 223
 224     assert not os.path.exists(
 225         os.path.join(tmpdir, 'dir1/dir2/ourfile.txt'))
 226
 227     cleanup_storage(this_storage, tmpdir, ['dir1'])
 228
 229
 230 def test_basic_storage_url_for_file():
 231     # Not supplying a base_url should actually just bork.
 232     tmpdir, this_storage = get_tmp_filestorage()
 233     pytest.raises(
 234         storage.NoWebServing,
 235         this_storage.file_url,
 236         ['dir1', 'dir2', 'filename.txt'])
 237     cleanup_storage(this_storage, tmpdir)
 238
 239     # base_url without domain
 240     tmpdir, this_storage = get_tmp_filestorage('/media/')
 241     result = this_storage.file_url(
 242         ['dir1', 'dir2', 'filename.txt'])
 243     expected = '/media/dir1/dir2/filename.txt'
 244     assert result == expected
 245     cleanup_storage(this_storage, tmpdir)
 246
 247     # base_url with domain
 248     tmpdir, this_storage = get_tmp_filestorage(
 249         'http://media.example.org/ourmedia/')
 250     result = this_storage.file_url(
 251         ['dir1', 'dir2', 'filename.txt'])
 252     expected = 'http://media.example.org/ourmedia/dir1/dir2/filename.txt'
 253     assert result == expected
 254     cleanup_storage(this_storage, tmpdir)
 255
 256
 257 def test_basic_storage_get_local_path():
 258     tmpdir, this_storage = get_tmp_filestorage()
 259
 260     result = this_storage.get_local_path(
 261         ['dir1', 'dir2', 'filename.txt'])
 262
 263     expected = os.path.join(
 264         tmpdir, 'dir1/dir2/filename.txt')
 265
 266     assert result == expected
 267
 268     cleanup_storage(this_storage, tmpdir)
 269
 270
 271 def test_basic_storage_is_local():
 272     tmpdir, this_storage = get_tmp_filestorage()
 273     assert this_storage.local_storage is True
 274     cleanup_storage(this_storage, tmpdir)
 275
 276
 277 def test_basic_storage_copy_locally():
 278     tmpdir, this_storage = get_tmp_filestorage()
 279
 280     dest_tmpdir = tempfile.mkdtemp()
 281
 282     filepath = ['dir1', 'dir2', 'ourfile.txt']
 283     with this_storage.get_file(filepath, 'w') as our_file:
 284         our_file.write('Testing this file')
 285
 286     new_file_dest = os.path.join(dest_tmpdir, 'file2.txt')
 287
 288     this_storage.copy_locally(filepath, new_file_dest)
 289     this_storage.delete_file(filepath)
 290
 291     assert open(new_file_dest).read() == 'Testing this file'
 292
 293     os.remove(new_file_dest)
 294     os.rmdir(dest_tmpdir)
 295     cleanup_storage(this_storage, tmpdir, ['dir1', 'dir2'])
 296
 297
 298 def _test_copy_local_to_storage_works(tmpdir, this_storage):
 299     local_filename = tempfile.mktemp()
 300     with open(local_filename, 'w') as tmpfile:
 301         tmpfile.write('haha')
 302
 303     this_storage.copy_local_to_storage(
 304         local_filename, ['dir1', 'dir2', 'copiedto.txt'])
 305
 306     os.remove(local_filename)
 307
 308     assert open(
 309         os.path.join(tmpdir, 'dir1/dir2/copiedto.txt'),
 310         'r').read() == 'haha'
 311
 312     this_storage.delete_file(['dir1', 'dir2', 'copiedto.txt'])
 313     cleanup_storage(this_storage, tmpdir, ['dir1', 'dir2'])
 314
 315
 316 def test_basic_storage_copy_local_to_storage():
 317     tmpdir, this_storage = get_tmp_filestorage()
 318     _test_copy_local_to_storage_works(tmpdir, this_storage)
 319
 320
 321 def test_general_storage_copy_local_to_storage():
 322     tmpdir, this_storage = get_tmp_filestorage(fake_remote=True)
 323     _test_copy_local_to_storage_works(tmpdir, this_storage)