MCOL-5496: Merge CMAPI code to engine repo.

[add] cmapi code to engine

cmapi/mcs_node_control/test/test_node_status.py

@@ -0,0 +1,50 @@
+import logging
+import os
+import unittest
+from pathlib import Path
+from shutil import rmtree
+
+from cmapi_server.constants import MCS_MODULE_FILE_PATH
+from mcs_node_control.models.node_status import NodeStatus
+
+
+logging.basicConfig(level='DEBUG')
+
+
+class NodeStatusTest(unittest.TestCase):
+    def test_dbrm_cluster_mode(self):
+        node_status = NodeStatus()
+        # use subprocess.run to capture stdout
+        os.system('/usr/bin/dbrmctl readwrite')
+        self.assertEqual(node_status.get_cluster_mode(), 'readwrite')
+        os.system('/usr/bin/dbrmctl readonly')
+        self.assertEqual(node_status.get_cluster_mode(), 'readonly')
+        # kill controllernode and test it
+
+    def test_dbrm_status(self):
+        node_status = NodeStatus()
+        self.assertEqual(node_status.get_dbrm_status(), 'master')
+
+    def test_dbroots(self):
+        try:
+            node_status = NodeStatus()
+            dbroot_ids = [1, 2, 3]
+            path = '/tmp/dbroots/'
+            for e in dbroot_ids:
+                p = Path(path + 'data' + str(e))
+                p.mkdir(parents = True, exist_ok = True)
+            for e in node_status.get_dbroots(path=path):
+                self.assertEqual(e in dbroot_ids, True)
+        except AssertionError as e:
+            rmtree(path)
+            raise e
+
+    def test_module_id(self):
+        node_status = NodeStatus()
+        module_file = Path(MCS_MODULE_FILE_PATH)
+        examplar_id = int(module_file.read_text()[2:])
+        self.assertEqual(examplar_id, node_status.get_module_id())
+
+
+if __name__ == '__main__':
+    unittest.main()