from django.test.utils import setup_test_environment, teardown_test_environment
from nose.core import TextTestRunner
from nose.loader import defaultTestLoader
import settings

def run_tests(test_labels, verbosity=1, interactive=True, extra_tests=[]):
    setup_test_environment()
    
    settings.DEBUG = False    
    

    old_name = settings.DATABASE_NAME
    from django.db import connection
    connection.creation.create_test_db(verbosity, autoclobber=not interactive)
    
    if test_labels:
        suite = defaultTestLoader().loadTestsFromNames(test_labels)
    else:
        suite = defaultTestLoader().loadTestsFromName('.')
    result = TextTestRunner(verbosity=verbosity).run(suite)
    
    connection.creation.destroy_test_db(old_name, verbosity)
    
    
    teardown_test_environment()
    
    return len(result.failures) + len(result.errors)