test: add comprehensive unit tests for all managers

tests/unit/test_samba_logic.py

@@ -0,0 +1,36 @@
+import pytest
+from unittest.mock import MagicMock, patch
+from infra_cli.samba import SambaManager
+
+class MockConfig:
+    def get_node(self, name):
+        return {"host": "10.32.2.1", "pass": "secret"}
+    def get(self, key, default=None):
+        mapping = {
+            'samba.host': '10.32.1.101',
+            'samba.user': 'Administrator',
+            'samba.domain': 'FE.LOOPAWARE.COM'
+        }
+        return mapping.get(key, default)
+
+@patch('infra_cli.samba.SSHClient')
+def test_samba_add_user_logic(mock_ssh):
+    mock_instance = mock_ssh.return_value
+    mock_instance.run.return_value.returncode = 0
+    
+    mgr = SambaManager(MockConfig())
+    mgr.add_user("testuser", "testpass")
+    
+    assert any("samba-tool user create testuser testpass" in str(call) 
+               for call in mock_instance.run.call_args_list)
+
+@patch('infra_cli.samba.SSHClient')
+def test_samba_add_to_group_logic(mock_ssh):
+    mock_instance = mock_ssh.return_value
+    mock_instance.run.return_value.returncode = 0
+    
+    mgr = SambaManager(MockConfig())
+    mgr.add_to_group("testgroup", "testuser")
+    
+    assert any("samba-tool group addmembers testgroup testuser" in str(call) 
+               for call in mock_instance.run.call_args_list)