#314 Add test to see whether in-memory tables get correctly populated from the config file

test/config_file_parsing_test.py

@@ -0,0 +1,79 @@
+from proxysql_base_test import ProxySQLBaseTest
+
+class ConfigFileParsingTest(ProxySQLBaseTest):
+
+	SCENARIO = "./scenarios/1backend-complex-config"
+
+	# The complex config scenario includes a configuration file
+	# where most of the values of the configurations are changed in order to
+	# detect whether ProxySQL is actually able to parse them correctly from the
+	# file or not.
+	# 
+	# As part of those modifications, the admin username and password
+	# are changed from the default ones to others.
+	CONFIG_OVERRIDES = {
+		'ProxySQL': {
+			'admin_username': 'admin2',
+			'admin_password': 'admin2'
+		}
+	}
+
+	def test_parse_config_file_to_admin_db(self):
+		"""ProxySQL keeps its configuration in an admin database, so that it
+		is available for inspection at runtime as well.
+
+		For the initial run, the configuration file is parsed into this admin
+		database. We will test that the correct values of the variables
+		exposed in the config file are exposed via the admin interface that
+		is accessible through MySQL.
+		"""
+
+		users = ConfigFileParsingTest.run_query_proxysql_admin("SELECT COUNT(*) FROM mysql_users")
+		self.assertEqual(int(users[0][0]), 2)
+
+		servers = ConfigFileParsingTest.run_query_proxysql_admin("SELECT COUNT(*) FROM mysql_servers")
+		# 3 in the config file, 1 auto-populated by the test
+		self.assertEqual(int(servers[0][0]), 4)
+
+		variables = ConfigFileParsingTest.run_query_proxysql_admin("SELECT * FROM global_variables")
+		mysql_variables = {}
+		admin_variables = {}
+		for (k, v) in variables:
+			if k.startswith('admin-'):
+				admin_variables[k[6:]] = v
+			elif k.startswith('mysql-'):
+				mysql_variables[k[6:]] = v
+
+		self.assertEqual(mysql_variables['connect_timeout_server'], '5000')
+		self.assertEqual(mysql_variables['connect_timeout_server_error'], "#2003:Can\\'t connect to MySQL server (ProxySQL)")
+		self.assertEqual(mysql_variables['default_charset'], '30')
+		self.assertEqual(mysql_variables['have_compress'], 'false')
+		self.assertEqual(mysql_variables['monitor_history'], '300000')
+		self.assertEqual(mysql_variables['monitor_connect_interval'], '120000')
+		self.assertEqual(mysql_variables['monitor_connect_timeout'], '200')
+		self.assertEqual(mysql_variables['monitor_ping_interval'], '60000')
+		self.assertEqual(mysql_variables['monitor_ping_timeout'], '150')
+		self.assertEqual(mysql_variables['monitor_username'], 'root')
+		self.assertEqual(mysql_variables['monitor_password'], 'root')
+		self.assertEqual(mysql_variables['monitor_query_variables'], 'SELECT * FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES')
+		self.assertEqual(mysql_variables['monitor_query_status'], 'SELECT * FROM INFORMATION_SCHEMA.GLOBAL_STATUS')
+		self.assertEqual(mysql_variables['monitor_query_interval'], '30000')
+		self.assertEqual(mysql_variables['monitor_query_timeout'], '150')
+		self.assertEqual(mysql_variables['monitor_timer_cached'], 'false')
+		self.assertEqual(mysql_variables['ping_interval_server'], '2000')
+		self.assertEqual(mysql_variables['ping_timeout_server'], '150')
+		self.assertEqual(mysql_variables['default_schema'], 'test')
+		self.assertEqual(mysql_variables['poll_timeout'], '1000')
+		self.assertEqual(mysql_variables['poll_timeout_on_failure'], '150')
+		self.assertEqual(mysql_variables['server_capabilities'], '47627')
+		self.assertEqual(mysql_variables['server_version'], '5.1.31')
+		self.assertEqual(mysql_variables['commands_stats'], 'true')
+		self.assertEqual(mysql_variables['servers_stats'], 'false')
+		self.assertEqual(mysql_variables['session_debug'], 'false')
+		self.assertEqual(mysql_variables['stacksize'], '2097152')
+		self.assertEqual(mysql_variables['threads'], '2')
+
+		self.assertEqual(admin_variables['admin_credentials'], 'admin2:admin2')
+		self.assertEqual(admin_variables['mysql_ifaces'], '0.0.0.0:6032')
+		self.assertEqual(admin_variables['refresh_interval'], '2000')
+		self.assertEqual(admin_variables['debug'], 'true')