[2353] Check that BoB.start_msgq() calls isc.cc.Session() and group_subscribe()

src/bin/bind10/tests/bind10_test.py.in

@@ -1613,8 +1613,6 @@ class TestBossComponents(unittest.TestCase):
         bob.c_channel_env = {}
         # keep the timeout small for the test to complete quickly
         bob.msgq_timeout = 1
-        # specifically set this to False so that the connect is
-        # attempted
         bob.run_under_unittests = False
 
         # use the MockProcessInfo creator
@@ -1637,6 +1635,17 @@ class TestBossComponents(unittest.TestCase):
         time.time = _my_time
         time.sleep = _my_sleep
 
+        global cc_sub
+        cc_sub = None
+        class DummySessionAlwaysFails():
+            def __init__(self, socket_file):
+                raise isc.cc.session.SessionError('Connection fails')
+            def group_subscribe(self, s):
+                global cc_sub
+                cc_sub = s
+
+        isc.cc.Session = DummySessionAlwaysFails
+
         with self.assertRaises(bind10_src.CChannelConnectError):
             # An exception will be thrown here when it eventually times
             # out.
@@ -1647,7 +1656,36 @@ class TestBossComponents(unittest.TestCase):
         # to happen inside start_msgq().
         self.assertEqual(attempts, 13)
 
-        # time.time() and time.sleep() are restored during tearDown().
+        # group_subscribe() should not have been called here.
+        self.assertIsNone(cc_sub)
+
+        global cc_socket_file
+        cc_socket_file = None
+        cc_sub = None
+        class DummySession():
+            def __init__(self, socket_file):
+                global cc_socket_file
+                cc_socket_file = socket_file
+            def group_subscribe(self, s):
+                global cc_sub
+                cc_sub = s
+
+        isc.cc.Session = DummySession
+
+        # reset values
+        attempts = 0
+        tsec = 0
+
+        pi = bob.start_msgq()
+
+        # just one attempt, but 2 calls to time.time()
+        self.assertEqual(attempts, 2)
+
+        self.assertEqual(cc_socket_file, bob.msgq_socket_file)
+        self.assertEqual(cc_sub, 'Boss')
+
+        # isc.cc.Session, time.time() and time.sleep() are restored
+        # during tearDown().
 
     def test_start_cfgmgr(self):
         '''Test that b10-cfgmgr is started.'''