Cleaning up a database in django before every test method

Question

By default when Django runs against sqlite backend it creates a new in memory database for a test. That means for every class that derives from unittest.TestCase, I get a new database. Can this be changed so that it is cleared before every test method is run?

Example: I am testing a manager class that provides additional abstraction on top of Django persistent objects. The code looks more-less like that

class TestForManager(unittest.TestCase):   def testAddingBlah(self):     manager = Manager()     self.assertEquals(manager.getBlahs(), 0)     manager.addBlah(...)     self.assertEquals(manager.getBlahs(), 1)    def testAddingBlahInDifferentWay(self):     manager = Manager()     self.assertEquals(manager.getBlahs(), 0)     manager.addBlahInDifferentWay(...)     self.assertEquals(manager.getBlahs(), 1) 

Now, the first assertion of second test fails, because the state of the database is preserved between test calls and there already is an instance of Blah in the database.

Answer 1

Use django.test.TestCase not unittest.TestCase. And it works in all major versions of Django!