【FastDeploy CLI】collect-env subcommand (#4044)

* collect-env subcommand

* trigger ci

---------

Co-authored-by: K11OntheBoat <your_email@example.com>

tests/entrypoints/cli/test_collect_env_conmmand.py

@@ -0,0 +1,41 @@
+import unittest
+from argparse import Namespace, _SubParsersAction
+from unittest.mock import MagicMock, patch
+
+from fastdeploy.entrypoints.cli.collect_env import CollectEnvSubcommand, cmd_init
+
+
+class TestCollectEnvSubcommand(unittest.TestCase):
+    def setUp(self):
+        self.subcommand = CollectEnvSubcommand()
+
+    def test_name_property(self):
+        self.assertEqual(self.subcommand.name, "collect-env")
+
+    @patch("fastdeploy.entrypoints.cli.collect_env.collect_env_main")
+    def test_cmd(self, mock_collect_env_main):
+        args = Namespace()
+        self.subcommand.cmd(args)
+        mock_collect_env_main.assert_called_once()
+
+    def test_subparser_init(self):
+        mock_subparsers = MagicMock(spec=_SubParsersAction)
+        parser = self.subcommand.subparser_init(mock_subparsers)
+        print(parser)
+        mock_subparsers.add_parser.assert_called_once_with(
+            "collect-env",
+            help="Start collecting environment information.",
+            description="Start collecting environment information.",
+            usage="vllm collect-env",
+        )
+
+
+class TestCmdInit(unittest.TestCase):
+    def test_cmd_init(self):
+        subcommands = cmd_init()
+        self.assertEqual(len(subcommands), 1)
+        self.assertIsInstance(subcommands[0], CollectEnvSubcommand)
+
+
+if __name__ == "__main__":
+    unittest.main()