apps/catalogue/test_utils.py

   1 from django.conf import settings
   2 from django.test import TestCase
   3 import shutil
   4 import tempfile
   5 from slughifi import slughifi
   6 from librarian import WLURI
   7
   8 class WLTestCase(TestCase):
   9     """
  10         Generic base class for tests. Adds settings freeze and clears MEDIA_ROOT.
  11     """
  12     def setUp(self):
  13         self._MEDIA_ROOT, settings.MEDIA_ROOT = settings.MEDIA_ROOT, tempfile.mkdtemp(prefix='djangotest_')
  14         settings.NO_SEARCH_INDEX = settings.NO_BUILD_PDF = settings.NO_BUILD_MOBI = settings.NO_BUILD_EPUB = settings.NO_BUILD_TXT = True
  15         settings.CELERY_ALWAYS_EAGER = True
  16         self._CACHES, settings.CACHES = settings.CACHES, {
  17             'default': {
  18                 'BACKEND': 'django.core.cache.backends.dummy.DummyCache',
  19             }
  20         }
  21
  22     def tearDown(self):
  23         shutil.rmtree(settings.MEDIA_ROOT, True)
  24         settings.MEDIA_ROOT = self._MEDIA_ROOT
  25         settings.CACHES = self._CACHES
  26
  27 class PersonStub(object):
  28
  29     def __init__(self, first_names, last_name):
  30         self.first_names = first_names
  31         self.last_name = last_name
  32
  33     def readable(self):
  34         return " ".join(self.first_names + (self.last_name,))
  35
  36
  37 class BookInfoStub(object):
  38     _empty_fields = ['cover_url', 'variant_of']
  39     # allow single definition for multiple-value fields
  40     _salias = {
  41         'authors': 'author',
  42     }
  43
  44     def __init__(self, **kwargs):
  45         self.__dict = kwargs
  46
  47     def __setattr__(self, key, value):
  48         if not key.startswith('_'):
  49             self.__dict[key] = value
  50         return object.__setattr__(self, key, value)
  51
  52     def __getattr__(self, key):
  53         try:
  54             return self.__dict[key]
  55         except KeyError:
  56             if key in self._empty_fields:
  57                 return None
  58             elif key in self._salias:
  59                 return [getattr(self, self._salias[key])]
  60             else:
  61                 raise
  62
  63     def to_dict(self):
  64         return dict((key, unicode(value)) for key, value in self.__dict.items())
  65
  66
  67 def info_args(title, language=None):
  68     """ generate some keywords for comfortable BookInfoCreation  """
  69     slug = unicode(slughifi(title))
  70     if language is None:
  71         language = u'pol'
  72     return {
  73         'title': unicode(title),
  74         'url': WLURI.from_slug(slug),
  75         'about': u"http://wolnelektury.pl/example/URI/%s" % slug,
  76         'language': language,
  77     }