Add test for setting proxy via config files

Author: dstaesse

tests/config.ini

@@ -6,6 +6,7 @@ timeout=6000
 connection_pool_maxsize=55
 auth_basic=false
 profilers=query, operator
+proxy=http://proxy.domain.org:8080
 
 [tags]
 id = 132-987-655

tests/config.toml

@@ -7,6 +7,7 @@
   connection_pool_maxsize = 55
   auth_basic = False
   profilers = "query, operator"
+  proxy = "http://proxy.domain.org:8080"
 
 [tags]
   id = "132-987-655"

tests/test_InfluxDBClient.py

@@ -74,6 +74,7 @@ def assertConfig(self):
         self.assertEqual(55, self.client.api_client.configuration.connection_pool_maxsize)
         self.assertEqual(False, self.client.api_client.configuration.auth_basic)
         self.assertEqual(["query", "operator"], self.client.profilers)
+        self.assertEqual("http://proxy.domain.org:8080", self.client.api_client.configuration.proxy)
 
     def test_init_from_file_ssl_default(self):
         self.client = InfluxDBClient.from_config_file(f'{os.path.dirname(__file__)}/config.ini')