def test_get_session_with_different_auth_url(self):
        """test_get_session_without_auth_url check that we could retrieve a session with auth_url formats"""

        auth_url_v2_1 = "http://cloud.lab.fi-ware.org:4731/v2.0"
        auth_url_v2_2 = "http://cloud.lab.fi-ware.org:4731/v2.0/"

        auth_url_v3_1 = "http://cloud.lab.fi-ware.org:4731/v3"
        auth_url_v3_2 = "http://cloud.lab.fi-ware.org:4731/v3/"

        osclients = OpenStackClients()

        # Checking v3
        osclients.auth_url = auth_url_v2_1
        session = osclients.get_session()
        self.assertIsInstance(session, keystoneclient.session.Session)

        session.invalidate()
        osclients._session_v3 = None

        osclients.auth_url = auth_url_v2_2
        session = osclients.get_session()
        self.assertIsInstance(session, keystoneclient.session.Session)

        session.invalidate()
        osclients._session_v3 = None

        # Checking v2
        osclients.use_v3 = False
        osclients.auth_url = auth_url_v3_1
        session = osclients.get_session()
        self.assertIsInstance(session, keystoneclient.session.Session)

        session.invalidate()
        osclients._session_v2 = None

        osclients.auth_url = auth_url_v3_2
        session = osclients.get_session()
        self.assertIsInstance(session, keystoneclient.session.Session)

        session.invalidate()
        osclients._session_v2 = None
    def test_get_session_without_auth_url(self):
        """test_get_session_without_auth_url check that we could not retrieve a session without auth_url"""

        osclients = OpenStackClients()
        osclients.auth_url = None

        # Checking v3
        try:
            osclients.get_session()
        except Exception as ex:
            self.assertRaises(ex)

        # Checking v2
        osclients.use_v3 = False
        try:
            osclients.get_session()
        except Exception as ex:
            self.assertRaises(ex)