Fix unit test

tests/__init__.py

@@ -2,6 +2,7 @@
 # -*- coding: utf-8 -*-
 
 import logging
+import os
 import unittest
 import unittest.mock
 
@@ -11,24 +12,26 @@ import hddfancontrol
 class TestDrive(unittest.TestCase):
 
   def setUp(self):
-    with unittest.mock.patch("hddfancontrol.stat") as stat_mock, \
+    with unittest.mock.patch("hddfancontrol.os.stat") as os_stat_mock, \
+         unittest.mock.patch("hddfancontrol.stat") as stat_mock, \
          unittest.mock.patch("hddfancontrol.subprocess") as subprocess_mock:
+      os_stat_mock.return_value = os.stat_result
       stat_mock.stat.S_IFBLK.return_value = True
       subprocess_mock.check_call.side_effect = subprocess_mock.CalledProcessError(0, "")
-      self.drive = hddfancontrol.Drive("/dev/sda", "/dummy", None)
+      self.drive = hddfancontrol.Drive("/dev/sdz", "/dummy", None)
 
   def test_getState(self):
     with unittest.mock.patch("hddfancontrol.subprocess") as subprocess_mock:
-      subprocess_mock.check_output.return_value = "\n/dev/sda:\n drive state is:  active/idle\n"
+      subprocess_mock.check_output.return_value = "\n/dev/sdz:\n drive state is:  active/idle\n"
       self.assertEqual(self.drive.getState(), hddfancontrol.Drive.DriveState.ACTIVE_IDLE)
     with unittest.mock.patch("hddfancontrol.subprocess") as subprocess_mock:
-      subprocess_mock.check_output.return_value = "\n/dev/sda:\n drive state is:  standby\n"
+      subprocess_mock.check_output.return_value = "\n/dev/sdz:\n drive state is:  standby\n"
       self.assertEqual(self.drive.getState(), hddfancontrol.Drive.DriveState.STANDBY)
     with unittest.mock.patch("hddfancontrol.subprocess") as subprocess_mock:
-      subprocess_mock.check_output.return_value = "\n/dev/sda:\n drive state is:  sleeping\n"
+      subprocess_mock.check_output.return_value = "\n/dev/sdz:\n drive state is:  sleeping\n"
       self.assertEqual(self.drive.getState(), hddfancontrol.Drive.DriveState.SLEEPING)
     with unittest.mock.patch("hddfancontrol.subprocess") as subprocess_mock:
-      subprocess_mock.check_output.return_value = "/dev/sda: No such file or directory\n"
+      subprocess_mock.check_output.return_value = "/dev/sdz: No such file or directory\n"
       with self.assertRaises(Exception):
         self.drive.getState()
     with unittest.mock.patch("hddfancontrol.subprocess") as subprocess_mock: