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Code Issues 25 Releases Wiki Activity

Moved ensure_defaults() and prepare_test_settings() logic to ConnectionHandler.configure_settings().

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Florian Apolloner 2022-03-17 07:31:47 +01:00 committed by Mariusz Felisiak
parent 58ad9a99a7
commit 13378ad952
2 changed files with 25 additions and 64 deletions
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69
django/db/utils.py
View File

@ -154,57 +154,38 @@ class ConnectionHandler(BaseConnectionHandler):
)
elif databases[DEFAULT_DB_ALIAS] == {}:
databases[DEFAULT_DB_ALIAS]["ENGINE"] = "django.db.backends.dummy"
# Configure default settings.
for conn in databases.values():
conn.setdefault("ATOMIC_REQUESTS", False)
conn.setdefault("AUTOCOMMIT", True)
conn.setdefault("ENGINE", "django.db.backends.dummy")
if conn["ENGINE"] == "django.db.backends." or not conn["ENGINE"]:
conn["ENGINE"] = "django.db.backends.dummy"
conn.setdefault("CONN_MAX_AGE", 0)
conn.setdefault("CONN_HEALTH_CHECKS", False)
conn.setdefault("OPTIONS", {})
conn.setdefault("TIME_ZONE", None)
for setting in ["NAME", "USER", "PASSWORD", "HOST", "PORT"]:
conn.setdefault(setting, "")
test_settings = conn.setdefault("TEST", {})
default_test_settings = [
("CHARSET", None),
("COLLATION", None),
("MIGRATE", True),
("MIRROR", None),
("NAME", None),
]
for key, value in default_test_settings:
test_settings.setdefault(key, value)
return databases
@property
def databases(self):
return self.settings
def ensure_defaults(self, alias):
"""
Put the defaults into the settings dictionary for a given connection
where no settings is provided.
"""
try:
conn = self.settings[alias]
except KeyError:
raise self.exception_class(f"The connection '{alias}' doesn't exist.")
conn.setdefault("ATOMIC_REQUESTS", False)
conn.setdefault("AUTOCOMMIT", True)
conn.setdefault("ENGINE", "django.db.backends.dummy")
if conn["ENGINE"] == "django.db.backends." or not conn["ENGINE"]:
conn["ENGINE"] = "django.db.backends.dummy"
conn.setdefault("CONN_MAX_AGE", 0)
conn.setdefault("CONN_HEALTH_CHECKS", False)
conn.setdefault("OPTIONS", {})
conn.setdefault("TIME_ZONE", None)
for setting in ["NAME", "USER", "PASSWORD", "HOST", "PORT"]:
conn.setdefault(setting, "")
def prepare_test_settings(self, alias):
"""
Make sure the test settings are available in the 'TEST' sub-dictionary.
"""
try:
conn = self.settings[alias]
except KeyError:
raise self.exception_class(f"The connection '{alias}' doesn't exist.")
test_settings = conn.setdefault("TEST", {})
default_test_settings = [
("CHARSET", None),
("COLLATION", None),
("MIGRATE", True),
("MIRROR", None),
("NAME", None),
]
for key, value in default_test_settings:
test_settings.setdefault(key, value)
def create_connection(self, alias):
self.ensure_defaults(alias)
self.prepare_test_settings(alias)
db = self.settings[alias]
backend = load_backend(db["ENGINE"])
return backend.DatabaseWrapper(db, alias)

20
tests/db_utils/tests.py
View File

@ -50,26 +50,6 @@ class ConnectionHandlerTests(SimpleTestCase):
with self.assertRaisesMessage(ConnectionDoesNotExist, msg):
conns["nonexistent"]
def test_ensure_defaults_nonexistent_alias(self):
msg = "The connection 'nonexistent' doesn't exist."
conns = ConnectionHandler(
{
DEFAULT_DB_ALIAS: {"ENGINE": "django.db.backends.dummy"},
}
)
with self.assertRaisesMessage(ConnectionDoesNotExist, msg):
conns.ensure_defaults("nonexistent")
def test_prepare_test_settings_nonexistent_alias(self):
msg = "The connection 'nonexistent' doesn't exist."
conns = ConnectionHandler(
{
DEFAULT_DB_ALIAS: {"ENGINE": "django.db.backends.dummy"},
}
)
with self.assertRaisesMessage(ConnectionDoesNotExist, msg):
conns.prepare_test_settings("nonexistent")
class DatabaseErrorWrapperTests(TestCase):
@unittest.skipUnless(connection.vendor == "postgresql", "PostgreSQL test")