mediagoblin/tests/test_metadata.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 import pytest
  18 from mediagoblin.tools.metadata import compact_and_validate
  19 from jsonschema import ValidationError
  20
  21 class TestMetadataFunctionality:
  22
  23     @pytest.fixture(autouse=True)
  24     def _setup(self, test_app):
  25         self.test_app = test_app
  26
  27     def testCompactAndValidate(self):
  28         # First, test out a well formatted piece of metadata
  29         ######################################################
  30         test_metadata = {
  31             'dc:title':'My Pet Bunny',
  32             'dc:description':'A picture displaying how cute my pet bunny is.',
  33             'location':'/home/goblin/Pictures/bunny.png',
  34             'license':'http://www.gnu.org/licenses/gpl.txt'
  35         }
  36         jsonld_metadata =compact_and_validate(test_metadata)
  37         assert jsonld_metadata
  38         assert jsonld_metadata.get('dc:title') == 'My Pet Bunny'
  39         # Free floating nodes should be removed
  40         assert jsonld_metadata.get('location') is None
  41         assert jsonld_metadata.get('@context') == \
  42             u"http://www.w3.org/2013/json-ld-context/rdfa11"
  43
  44         # Next, make sure that various badly formatted metadata
  45         # will be rejected.
  46         #######################################################
  47         #,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.
  48         # Metadata with a non-URI license should fail :
  49         #`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'
  50         metadata_fail_1 = {
  51             'dc:title':'My Pet Bunny',
  52             'dc:description':'A picture displaying how cute my pet bunny is.',
  53             'location':'/home/goblin/Pictures/bunny.png',
  54             'license':'All Rights Reserved.'
  55         }
  56         jsonld_fail_1 = None
  57         try:
  58             jsonld_fail_1 = compact_and_validate(metadata_fail_1)
  59         except ValidationError as e:
  60             assert e.message == "'All Rights Reserved.' is not a 'uri'"
  61         assert jsonld_fail_1 == None
  62         #,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,
  63         # Metadata with an ivalid date-time dc:created should fail :
  64         #`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`'`''
  65         metadata_fail_2 = {
  66             'dc:title':'My Pet Bunny',
  67             'dc:description':'A picture displaying how cute my pet bunny is.',
  68             'location':'/home/goblin/Pictures/bunny.png',
  69             'license':'http://www.gnu.org/licenses/gpl.txt',
  70             'dc:created':'The other day'
  71         }
  72         jsonld_fail_2 = None
  73         try:
  74             jsonld_fail_2 = compact_and_validate(metadata_fail_2)
  75         except ValidationError as e:
  76             assert e.message == "'The other day' is not a 'date-time'"
  77         assert jsonld_fail_2 == None
  78