Python OpenEdXInstanceFactory.get_database_settings方法代码示例

# 需要导入模块: from instance.tests.models.factories.openedx_instance import OpenEdXInstanceFactory [as 别名]
# 或者: from instance.tests.models.factories.openedx_instance.OpenEdXInstanceFactory import get_database_settings [as 别名]
class MySQLInstanceTestCase(TestCase):
    """
    Test cases for MySQLInstanceMixin and OpenEdXDatabaseMixin
    """
    def setUp(self):
        super().setUp()
        self.instance = None

    def tearDown(self):
        if self.instance:
            self.instance.deprovision_mysql()
        super().tearDown()

    def _assert_privileges(self, database):
        """
        Assert that relevant users can access database
        """
        database_name = database["name"]
        user = database["user"]
        additional_users = [user["name"] for user in database.get("additional_users", [])]
        global_users = [self.instance.migrate_user, self.instance.read_only_user]
        users = [user] + additional_users + global_users
        for user in users:
            password = self.instance._get_mysql_pass(user)
            # Pass password using MYSQL_PWD environment variable rather than the --password
            # parameter so that mysql command doesn't print a security warning.
            env = {'MYSQL_PWD': password}
            mysql_cmd = "mysql -u {user} -e 'SHOW TABLES' {db_name}".format(user=user, db_name=database_name)
            tables = subprocess.call(mysql_cmd, shell=True, env=env)
            self.assertEqual(tables, 0)

    def check_mysql(self):
        """
        Check that the mysql databases and users have been created
        """
        self.assertIs(self.instance.mysql_provisioned, True)
        self.assertTrue(self.instance.mysql_user)
        self.assertTrue(self.instance.mysql_pass)
        databases = subprocess.check_output("mysql -u root -e 'SHOW DATABASES'", shell=True).decode()
        for database in self.instance.mysql_databases:
            # Check if database exists
            database_name = database["name"]
            self.assertIn(database_name, databases)
            # Check if relevant users can access it
            self._assert_privileges(database)

    def check_mysql_vars_not_set(self, instance):
        """
        Check that the given instance does not point to a mysql database
        """
        db_vars_str = instance.get_database_settings()
        for var in ('EDXAPP_MYSQL_USER',
                    'EDXAPP_MYSQL_PASSWORD',
                    'EDXAPP_MYSQL_HOST',
                    'EDXAPP_MYSQL_PORT',
                    'EDXAPP_MYSQL_DB_NAME',
                    'COMMON_MYSQL_MIGRATE_USER',
                    'COMMON_MYSQL_MIGRATE_PASS'):
            self.assertNotIn(var, db_vars_str)

    def check_common_users(self, instance, db_vars):
        """
        Check that instance settings contain correct information about common users.
        """
        self.assertEqual(db_vars['COMMON_MYSQL_MIGRATE_USER'], instance.migrate_user)
        self.assertEqual(db_vars['COMMON_MYSQL_MIGRATE_PASS'], instance._get_mysql_pass(instance.migrate_user))
        self.assertEqual(db_vars['COMMON_MYSQL_READ_ONLY_USER'], instance.read_only_user)
        self.assertEqual(db_vars['COMMON_MYSQL_READ_ONLY_PASS'], instance._get_mysql_pass(instance.read_only_user))
        self.assertEqual(db_vars['COMMON_MYSQL_ADMIN_USER'], instance.admin_user)
        self.assertEqual(db_vars['COMMON_MYSQL_ADMIN_PASS'], instance._get_mysql_pass(instance.admin_user))

    def check_vars(self, instance, db_vars, prefix, var_names=None, values=None):
        """
        Check that instance settings contain correct values for vars that start with prefix.
        """
        if var_names is None:
            var_names = ["DB_NAME", "USER", "PASSWORD", "HOST", "PORT"]
        instance_settings = zip(var_names, values)
        for var_name, value in instance_settings:
            var_name = prefix + var_name
            self.assertEqual(db_vars[var_name], value)

    def test__get_mysql_database_name(self):
        """
        Test that _get_mysql_database_name correctly builds database names.
        """
        self.instance = OpenEdXInstanceFactory()

        # Database name should be a combination of database_name and custom suffix
        suffix = "test"
        database_name = self.instance._get_mysql_database_name(suffix)
        expected_database_name = "{0}_{1}".format(self.instance.database_name, suffix)
        self.assertEqual(database_name, expected_database_name)

        # Using suffix that exceeds maximum length should raise an error
        suffix = "long-long-long-long-long-long-long-long-long-long-long-long-suffix"
        with self.assertRaises(AssertionError):
            self.instance._get_mysql_database_name(suffix)

    def test__get_mysql_user_name(self):
#.........这里部分代码省略.........