test(cli): add unittest for cli

tests/test_client_cli.py

@@ -0,0 +1,39 @@
+import unittest
+import os
+from gnes.cli.parser import set_frontend_parser, set_router_parser, set_client_cli_parser
+from gnes.service.base import SocketType
+from gnes.service.frontend import FrontendService
+from gnes.service.router import RouterService
+from gnes.client.cli import CLIClient
+
+
+class TestCLI(unittest.TestCase):
+    def setUp(self):
+        self.dirname = os.path.dirname(__file__)
+        os.unsetenv('http_proxy')
+        os.unsetenv('https_proxy')
+
+    def test_cli(self):
+        cli_args = set_client_cli_parser().parse_args([
+            '--mode', 'train',
+            '--grpc_host', '127.0.0.1',
+            '--txt_file', 'sonnets.txt'
+        ])
+
+        args = set_frontend_parser().parse_args([
+        ])
+
+        p_args = set_router_parser().parse_args([
+            '--port_in', str(args.port_out),
+            '--port_out', str(args.port_in),
+            '--socket_in', str(SocketType.PULL_CONNECT),
+            '--socket_out', str(SocketType.PUSH_CONNECT),
+            '--host_in', '127.0.0.1',
+            '--host_out', '127.0.0.1',
+            '--yaml_path', 'BaseRouter'
+        ])
+
+        with RouterService(p_args), FrontendService(args) as s:
+            CLIClient(cli_args)
+
+