test/pybind/ceph_daemon: Switch to bare unittest

nose has been unmaintained for a long time, and to work on
removing it as a dependency, re-work test_ceph_daemon to use
bare unittest.

Signed-off-by: Steve Kowalik <steven@wedontsleep.org>

src/test/pybind/CMakeLists.txt

@@ -1,4 +1,4 @@
 add_ceph_test(test_ceph_daemon.py
-  ${Python3_EXECUTABLE} -m nose ${CMAKE_CURRENT_SOURCE_DIR}/test_ceph_daemon.py)
+  ${Python3_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/test_ceph_daemon.py)
 add_ceph_test(test_ceph_argparse.py
   ${Python3_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/test_ceph_argparse.py)

src/test/pybind/test_ceph_daemon.py

@@ -11,7 +11,7 @@
 Foundation.  See file COPYING.
 """
 
-from unittest import TestCase
+import unittest
 
 from ceph_daemon import DaemonWatcher
 
@@ -21,7 +21,7 @@
     from io import StringIO
 
 
-class TestDaemonWatcher(TestCase):
+class TestDaemonWatcher(unittest.TestCase):
     def test_format(self):
         dw = DaemonWatcher(None)
 
@@ -39,10 +39,14 @@ def test_col_width(self):
     def test_supports_color(self):
         dw = DaemonWatcher(None)
         # Can't count on having a tty available during tests, so only test the false case
-        self.assertEqual(dw.supports_color(StringIO()), False)
+        self.assertFalse(dw.supports_color(StringIO()))
+
+
+if __name__ == '__main__':
+    unittest.main()
+
 
 # Local Variables:
 # compile-command: "cd ../../..;
-#  PYTHONPATH=src/pybind nosetests --stop \
-#  src/test/pybind/test_ceph_daemon.py"
+#  PYTHONPATH=src/pybind python3 src/test/pybind/test_ceph_daemon.py"
 # End: