def testMergeTagsCreatesSynonyms(self):
first = TestItem(title = 'first', tags = 'one, two')
first.save()
second = TestItem(title = 'second', tags = 'second')
second.save()
self.assertEqual([], [s.name for s in get_tag('two').synonyms.all()])
ctype = model_to_ctype(TestItem)
merge('two', 'second', ctype)
self.assertEqual(['second'], [s.name for s in get_tag('two').synonyms.all()])
def testMergeTagsWhenSynonymAlreadyExists(self):
first = TestItem(title = 'first', tags = 'one, two, blah')
first.save()
second = TestItem(title = 'second', tags = 'second')
second.save()
blah = get_tag('blah')
blah.synonyms.create(name='second')
self.assertEqual([], [s.name for s in get_tag('two').synonyms.all()])
ctype = model_to_ctype(TestItem)
merge('two', 'second', ctype)
self.assertEqual([], [s.name for s in get_tag('two').synonyms.all()])
self.assertEqual(['second'], [s.name for s in get_tag('blah').synonyms.all()])
def testMergeTagsDeletesSecondTagIfNoMoreTaggedItems(self):
self.assertEqual(0, Tag.objects.count())
self.assertEqual(0, TaggedItem.objects.count())
self.assertEqual(0, Synonym.objects.count())
first = TestItem(title = 'first', tags = 'one, two')
first.save()
second = TestItem(title = 'second', tags = 'second')
second.save()
self.assertEqual(1, len(with_tag('one')))
self.assertEqual(1, len(with_tag('two')))
self.assertEqual(1, len(with_tag('second')))
ctype = model_to_ctype(TestItem)
merge('two', 'second', ctype)
self.assertEqual(1, len(with_tag('one')))
self.assertEqual(2, len(with_tag('two')))
self.assertRaises(Tag.DoesNotExist, Tag.objects.get, name = 'second')
def testMergeTagsNotDeletesSecondTag(self):
self.assertEqual(0, Tag.objects.count())
self.assertEqual(0, TaggedItem.objects.count())
self.assertEqual(0, Synonym.objects.count())
first = TestItem(title = 'first', tags = 'one, two')
first.save()
second = TestItem(title = 'second', tags = 'second')
second.save()
third = TestItemWithCallback(title = 'third', tags = 'second')
third.save()
self.assertEqual(1, len(with_tag('second')))
self.assertEqual(1, len(with_tag('second', TestItemWithCallback)))
ctype = model_to_ctype(TestItem)
merge('two', 'second', ctype)
self.assertEqual(0, len(with_tag('second')))
self.assertEqual(1, len(with_tag('second', TestItemWithCallback)))
self.assert_(Tag.objects.get(name = 'second'))
