def testDeleteSimple(self):
'''Test delete on models without related models'''
self.data.create()
Instrument.objects.all().delete()
self.assertEqual(Instrument.objects.all().count(),0)
#There should be only one key in the database,
# The one used to autoincrement the Instrument ids
keys = list(Instrument._meta.cursor.keys())
self.assertEqual(len(keys),1)
self.assertEqual(keys[0],Instrument._meta.autoid())
Instrument.flush()
keys = list(Instrument._meta.cursor.keys())
self.assertEqual(len(keys),0)
def testFlushRelatedModel(self):
self.data.makePositions()
self.assertTrue(Instrument.flush()>self.data.num_insts)
self.assertEqual(Position.objects.all().count(),0)
self.assertEqual(Instrument.objects.all().count(),0)
# Now we check the database if it is empty as it should
Fund.flush()
keys = list(Instrument._meta.cursor.keys())
self.assertEqual(len(keys),0)
def testFlushSimpleModel(self):
'''Use the class method flush to remove all instances of a
Model including filters.'''
self.data.create()
self.assertTrue(Instrument.flush()>self.data.num_insts)
self.assertEqual(Instrument.objects.all().count(),0)
Fund.flush()
# Now we check the database if it is empty as it should
keys = list(Instrument._meta.cursor.keys())
self.assertEqual(len(keys),0)
