still try to fix the non passing test_exception in jobmanager tests (see #24)

.travis.yml

@@ -3,6 +3,7 @@ notifications:
   email: false
 python:
 - "3.4"
+- "2.7"
 before_install:
 - sudo apt-get update -qq
 - sudo apt-get install -qq libatlas-dev libatlas-base-dev liblapack-dev gfortran

jobmanager/jobmanager.py

@@ -1438,6 +1438,7 @@ def handler_broken_pipe_error(e, verbose):
 def handler_connection_refused(e, identifier, dest, verbose):
     if verbose > 1:
         print("this usually means that no matching Manager object was instanciated at destination side!")
+        print("either there is no Manager running at all, or it is listening to another port.")
     raise JMConnectionRefusedError(e)
 
 def handler_connection_reset(identifier, dest, c, reconnect_wait, reconnect_tries, verbose):

tests/test_jobmanager.py

@@ -748,7 +748,10 @@ def test_exception():
                str(port), 
                authkey]
 
+        print("#"*40)
+        print("start an autoproxy server with command")
         print(cmd)
+        print("#"*40)
         return subprocess.Popen(cmd, env=python_env, stdout=outfile, stderr=subprocess.STDOUT)
 
     def autoproxy_connect(server, port, authkey):
@@ -757,7 +760,7 @@ def test_exception():
         m = MyManager_Client(address = (server, port),                              
                              authkey = bytearray(authkey, encoding='utf8'))
         
-        jobmanager.call_connect(m.connect, dest = jobmanager.address_authkey_from_manager(m), verbose=1)
+        jobmanager.call_connect(m.connect, dest = jobmanager.address_authkey_from_manager(m), verbose=2)
         
         return m
         
@@ -771,45 +774,68 @@ def test_exception():
             print("autoproxy server running with PID {}".format(p_server.pid))
             time.sleep(1)
             
-            print("running tests ...")
+            print("running tests with python {} ...".format(sys.version_info[0]))
             print()
              
             try:
-                try:
-                    autoproxy_connect(server=SERVER, port=port, authkey=authkey)
-                except jobmanager.RemoteValueError:
-                    if (sys.version_info[0] == 3) and (p_version_server == 2):
-                        print("that is ok")      # the occurrence of this Exception is normal
-                        pass
-                    else:                
-                        raise                    # reraise exception
-                except ValueError:
-                    if (sys.version_info[0] == 2) and (p_version_server == 3):
-                        print("that is ok")      # the occurrence of this Exception is normal
-                        pass
-                    else:                
-                        raise                    # reraise exception
+                if sys.version_info[0] == 3:
+                    print("we are using python 3 ... try to connect ...")
+                    try:
+                        autoproxy_connect(server=SERVER, port=port, authkey=authkey)
+                    except jobmanager.RemoteValueError as e:
+                        if p_version_server == 2:
+                            print("that is ok, because the server is running on python2")      # the occurrence of this Exception is normal
+                            print()
+                            pass
+                        else:
+                            print("RemoteValueError error")
+                            raise                    # reraise exception
+                    except Exception as e:
+                        print("unexpected error {}".format(e))
+                        raise
+                
+                elif sys.version_info[0] == 2:
+                    print("we are using python 2 ... try to connect ...")
+                    try:
+                        autoproxy_connect(server=SERVER, port=port, authkey=authkey)
+                    except ValueError as e:
+                        if p_version_server == 3:
+                            print("that is ok, because the server is running on python3")      # the occurrence of this Exception is normal
+                            print()
+                            pass
+                        else:                
+                            print("JMConnectionRefusedError error")
+                            raise                    # reraise exception
+                    except Exception as e:
+                        print("unexpected error {}".format(e))
+                        raise
 
                 # all the following only for the same python versions
                 if (sys.version_info[0] != p_version_server):
                     continue
                     
                 try:
+                    print("try to connect to server, use wrong port")
                     autoproxy_connect(server=SERVER, port=port+1, authkey=authkey)
                 except jobmanager.JMConnectionRefusedError:
                     print("that is ok")
+                    print()
                 except:
                     raise
                 
                 try:
+                    print("try to connect to server, use wrong authkey")
                     autoproxy_connect(server=SERVER, port=port, authkey=authkey+'_')
                 except jobmanager.AuthenticationError:
                     print("that is ok")
+                    print()
                 except:
                     raise
                 
                 m = autoproxy_connect(server=SERVER, port=port, authkey=authkey)
                 
+                print("try pass some data forth and back ...")
+                
                 q = m.get_q()
                 
                 q_get = jobmanager.proxy_operation_decorator_python3(q, 'get')
@@ -819,9 +845,7 @@ def test_exception():
                 q_put(s1)
                 s2 = q_get()
                 
-                assert s1 == s2
-                
-                
+                assert s1 == s2                
                 
                 
             finally: