def test_replacing_configuration_option(self):
database = sqlite3.connect(":memory:")
config = ConfigurationDatabase(database, mutable=True)
config["alice"] = {"abc": 123}
config["alice"] = {"def": 456}
self.assertEqual({"alice"}, set(config))
self.assertEqual({"def": 456}, config["alice"])
def test_init(self):
database = sqlite3.connect(":memory:")
config = ConfigurationDatabase(database)
with config.cursor() as cursor:
# The "configuration" table has been created.
self.assertEqual(
cursor.execute("SELECT COUNT(*) FROM sqlite_master"
" WHERE type = 'table'"
" AND name = 'configuration'").fetchone(),
(1, ))
def test_mutable(self):
database = sqlite3.connect(":memory:")
config = ConfigurationDatabase(database, mutable=True)
config["alice"] = 1234
del config["alice"]
def test_immutable(self):
database = sqlite3.connect(":memory:")
config = ConfigurationDatabase(database, mutable=False)
self.assertRaises(ConfigurationImmutable, setitem, config, "alice", 1)
self.assertRaises(ConfigurationImmutable, delitem, config, "alice")
def test_as_string(self):
database = sqlite3.connect(":memory:")
config = ConfigurationDatabase(database)
self.assertThat(str(config),
Equals("ConfigurationDatabase(main=:memory:)"))
def test_removing_configuration_option(self):
database = sqlite3.connect(":memory:")
config = ConfigurationDatabase(database, mutable=True)
config["alice"] = {"abc": 123}
del config["alice"]
self.assertEqual(set(), set(config))
def test_getting_non_existent_configuration_option(self):
database = sqlite3.connect(":memory:")
config = ConfigurationDatabase(database)
self.assertRaises(KeyError, lambda: config["alice"])
def test_getting_configuration_option(self):
database = sqlite3.connect(":memory:")
config = ConfigurationDatabase(database, mutable=True)
config["alice"] = {"abc": 123}
self.assertEqual({"abc": 123}, config["alice"])
def test_configuration_pristine(self):
# A pristine configuration has no entries.
database = sqlite3.connect(":memory:")
config = ConfigurationDatabase(database)
self.assertSetEqual(set(), set(config))
def make_database_store(self):
database = sqlite3.connect(":memory:")
self.addCleanup(database.close)
return ConfigurationDatabase(database, mutable=True)
