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_BUILD_PDF = settings.NO_BUILD_MOBI = settings.NO_BUILD_EPUB = settings.NO_BUILD_TXT = True
  15         settings.CELERY_ALWAYS_EAGER = True
  16         self._CACHE_BACKEND, settings.CACHE_BACKEND = settings.CACHE_BACKEND, 'dummy://'
  17
  18     def tearDown(self):
  19         shutil.rmtree(settings.MEDIA_ROOT, True)
  20         settings.MEDIA_ROOT = self._MEDIA_ROOT
  21         settings.CACHE_BACKEND = self._CACHE_BACKEND
  22
  23 class PersonStub(object):
  24
  25     def __init__(self, first_names, last_name):
  26         self.first_names = first_names
  27         self.last_name = last_name
  28
  29     def readable(self):
  30         return " ".join(self.first_names + (self.last_name,))
  31
  32
  33 class BookInfoStub(object):
  34     _empty_fields = ['cover_url', 'variant_of']
  35     # allow single definition for multiple-value fields
  36     _salias = {
  37         'authors': 'author',
  38     }
  39
  40     def __init__(self, **kwargs):
  41         self.__dict = kwargs
  42
  43     def __setattr__(self, key, value):
  44         if not key.startswith('_'):
  45             self.__dict[key] = value
  46         return object.__setattr__(self, key, value)
  47
  48     def __getattr__(self, key):
  49         try:
  50             return self.__dict[key]
  51         except KeyError:
  52             if key in self._empty_fields:
  53                 return None
  54             elif key in self._salias:
  55                 return [getattr(self, self._salias[key])]
  56             else:
  57                 raise
  58
  59     def to_dict(self):
  60         return dict((key, unicode(value)) for key, value in self.__dict.items())
  61
  62
  63 def info_args(title, language=None):
  64     """ generate some keywords for comfortable BookInfoCreation  """
  65     slug = unicode(slughifi(title))
  66     if language is None:
  67         language = u'pol'
  68     return {
  69         'title': unicode(title),
  70         'url': WLURI.from_slug(slug),
  71         'about': u"http://wolnelektury.pl/example/URI/%s" % slug,
  72         'language': language,
  73     }