add tiny bit of tests to the storage tests

providers/base/tests/test_storage_test.py

@@ -0,0 +1,30 @@
+import unittest
+from unittest.mock import patch, MagicMock
+
+
+from storage_test import mountpoint
+
+class TestMountpoint(unittest.TestCase):
+    @patch("psutil.disk_partitions")
+    def test_mountpoint_nominal(self, mock_disk_partitions):
+
+        sdiskpart = MagicMock()
+        sdiskpart.device = '/dev/sda1'
+        sdiskpart.mountpoint = '/'
+        mock_disk_partitions.return_value = [sdiskpart]
+        self.assertEqual(mountpoint("/dev/sda1"), "/")
+
+    @patch("psutil.disk_partitions")
+    def test_mountpoint_nominal_multiple(self, mock_disk_partitions):
+
+        mock_disk_partitions.return_value = [
+            MagicMock(device='/dev/sda1', mountpoint='/'),
+            MagicMock(device='/dev/sda2', mountpoint='/boot')
+        ]
+        self.assertEqual(mountpoint("/dev/sda2"), "/boot")
+
+
+    @patch("psutil.disk_partitions")
+    def test_mountpoint_empty(self, mock_disk_partitions):
+        mock_disk_partitions.return_value = []
+        self.assertEqual(mountpoint('/dev/sda1'), None)