def test_setup_aliased_databases(self):
from django.db.backends.dummy.base import DatabaseCreation
runner_instance = runner.DiscoverRunner(verbosity=0)
old_db_connections = db.connections
old_destroy_test_db = DatabaseCreation.destroy_test_db
old_create_test_db = DatabaseCreation.create_test_db
try:
destroyed_names = []
DatabaseCreation.destroy_test_db = lambda self, old_database_name, verbosity=1: destroyed_names.append(
old_database_name)
DatabaseCreation.create_test_db = lambda self, verbosity=1, autoclobber=False: self._get_test_db_name(
)
db.connections = db.ConnectionHandler({
'default': {
'ENGINE': 'django.db.backends.dummy',
'NAME': 'dbname',
},
'other': {
'ENGINE': 'django.db.backends.dummy',
'NAME': 'dbname',
}
})
old_config = runner_instance.setup_databases()
runner_instance.teardown_databases(old_config)
self.assertEqual(destroyed_names.count('dbname'), 1)
finally:
DatabaseCreation.create_test_db = old_create_test_db
DatabaseCreation.destroy_test_db = old_destroy_test_db
db.connections = old_db_connections
def test_transaction_support(self):
"""Ticket #16329: sqlite3 in-memory test databases"""
old_db_connections = db.connections
for option_key, option_value in (
('NAME', ':memory:'), ('TEST', {'NAME': ':memory:'})):
try:
db.connections = db.ConnectionHandler({
'default': {
'ENGINE': 'django.db.backends.sqlite3',
option_key: option_value,
},
'other': {
'ENGINE': 'django.db.backends.sqlite3',
option_key: option_value,
},
})
other = db.connections['other']
runner.DiscoverRunner(verbosity=0).setup_databases()
msg = "DATABASES setting '%s' option set to sqlite3's ':memory:' value shouldn't interfere with transaction support detection." % option_key
# Transaction support should be properly initialized for the 'other' DB
self.assertTrue(other.features.supports_transactions, msg)
# And all the DBs should report that they support transactions
self.assertTrue(connections_support_transactions(), msg)
finally:
db.connections = old_db_connections
def setUpModule():
if not django_loaded: # pragma: no cover
raise unittest.SkipTest("Django not installed")
django_test_utils.setup_test_environment()
runner = django_test_runner.DiscoverRunner()
runner_state = runner.setup_databases()
test_state.update({
'runner': runner,
'runner_state': runner_state,
})
def setup_django():
"""Provide a test database and django configuration"""
from yawn.worker.models import Queue
manager = runner.DiscoverRunner(verbosity=1, interactive=False)
old_config = manager.setup_databases()
# create the default queue outside the transaction
Queue.get_default_queue()
yield
manager.teardown_databases(old_config)
def test_setup_databases(self):
"""
Test that setup_databases() doesn't fail with dummy database backend.
"""
runner_instance = runner.DiscoverRunner(verbosity=0)
old_db_connections = db.connections
try:
db.connections = db.ConnectionHandler({})
old_config = runner_instance.setup_databases()
runner_instance.teardown_databases(old_config)
except Exception as e:
self.fail("setup_databases/teardown_databases unexpectedly raised "
"an error: %s" % e)
finally:
db.connections = old_db_connections
def test_setup_aliased_default_database(self):
"""
Test that setup_datebases() doesn't fail when 'default' is aliased
"""
runner_instance = runner.DiscoverRunner(verbosity=0)
old_db_connections = db.connections
try:
db.connections = db.ConnectionHandler({
'default': {
'NAME': 'dummy'
},
'aliased': {
'NAME': 'dummy'
}
})
old_config = runner_instance.setup_databases()
runner_instance.teardown_databases(old_config)
except Exception as e:
self.fail("setup_databases/teardown_databases unexpectedly raised "
"an error: %s" % e)
finally:
db.connections = old_db_connections
def setUp(self):
self._old_db_connections = db.connections
self._old_destroy_test_db = DatabaseCreation.destroy_test_db
self._old_create_test_db = DatabaseCreation.create_test_db
self.runner_instance = runner.DiscoverRunner(verbosity=0)