Python Sender.start方法代码示例

# 需要导入模块: from traffic.core.helpers import Sender [as 别名]
# 或者: from traffic.core.helpers.Sender import start [as 别名]
    def setup_and_create_streams(self, src_vn_fix, dst_vn_fix, src_vm_fix, dst_vm_fix, sport=8000, dport=9000, count=100):
        
        src_vm_node_ip = src_vm_fix.vm_node_ip
        dst_vm_node_ip = dst_vm_fix.vm_node_ip
        src_local_host = Host(
            src_vm_node_ip, self.inputs.host_data[
                src_vm_node_ip]['username'], self.inputs.host_data[
                dst_vm_node_ip]['password'])
        dst_local_host = Host(
            dst_vm_node_ip, self.inputs.host_data[
                dst_vm_node_ip]['username'], self.inputs.host_data[
                dst_vm_node_ip]['password'])
        send_host = Host(src_vm_fix.local_ip,
                              src_vm_fix.vm_username,
                              src_vm_fix.vm_password)
        recv_host = Host(dst_vm_fix.local_ip,
                              dst_vm_fix.vm_username,
                              dst_vm_fix.vm_password)
        send_file_name = 'sendudp'
        recv_file_name = 'recvudp'
        # Create traffic stream
        for i in range(3):
            sport = sport 
            dport = dport + i
            print 'count=%s' % (count)
            print 'dport=%s' % (dport)

            self.logger.info("Creating streams...")
            stream = Stream(
                protocol="ip",
                proto='udp',
                src=src_vm_fix.vm_ip,
                dst=dst_vm_fix.vm_ip,
                dport=dport,
                sport=sport)

            profile = StandardProfile(
                stream=stream,
                size=100,
                count=count,
                listener=dst_vm_fix.vm_ip)
            sender = Sender(
                send_file_name,
                profile,
                src_local_host,
                send_host,
                self.inputs.logger)
            receiver = Receiver(
                recv_file_name,
                profile,
                dst_local_host,
                recv_host,
                self.inputs.logger)
            receiver.start()
            sender.start()
            sender.stop()
            receiver.stop()
            print sender.sent, receiver.recv
            time.sleep(1)

# 需要导入模块: from traffic.core.helpers import Sender [as 别名]
# 或者: from traffic.core.helpers.Sender import start [as 别名]
    def verify_traffic(self, sender_vm, receiver_vm, proto, sport, dport, count=None, fip=None):
        # Create stream and profile
        if fip:
            stream = Stream(
                protocol="ip", sport=sport, dport=dport, proto=proto, src=sender_vm.vm_ip,
                dst=fip)
        else:
            stream = Stream(
                protocol="ip", sport=sport, dport=dport, proto=proto, src=sender_vm.vm_ip,
                dst=receiver_vm.vm_ip)
        profile_kwargs = {'stream': stream}
        if fip:
            profile_kwargs.update({'listener': receiver_vm.vm_ip})
        if count:
            profile_kwargs.update({'count': count})
            profile = StandardProfile(**profile_kwargs)
        else:
            profile = ContinuousProfile(**profile_kwargs)

        # Set VM credentials
        send_node = Host(sender_vm.vm_node_ip,
                      self.inputs.host_data[sender_vm.vm_node_ip]['username'],
                      self.inputs.host_data[sender_vm.vm_node_ip]['password'])
        recv_node = Host(receiver_vm.vm_node_ip,
                   self.inputs.host_data[receiver_vm.vm_node_ip]['username'],
                   self.inputs.host_data[receiver_vm.vm_node_ip]['password'])
        send_host = Host(sender_vm.local_ip,
                         sender_vm.vm_username, sender_vm.vm_password)
        recv_host = Host(receiver_vm.local_ip,
                         receiver_vm.vm_username, receiver_vm.vm_password)

        # Create send, receive helpers
        sender = Sender("send%s" %
                        proto, profile, send_node, send_host, self.inputs.logger)
        receiver = Receiver("recv%s" %
                            proto, profile, recv_node, recv_host, self.inputs.logger)

        # start traffic
        receiver.start()
        sender.start()
        sleep(5)

        # stop traffic
        sender.stop()
        receiver.stop()
        self.logger.info("Sent: %s; Received: %s", sender.sent, receiver.recv)
        return (sender.sent, receiver.recv)

# 需要导入模块: from traffic.core.helpers import Sender [as 别名]
# 或者: from traffic.core.helpers.Sender import start [as 别名]
    def start_traffic_scapy(self, sender_vm, receiver_vm, proto,
				sport, dport, count=None, fip=None,
				payload=None, icmp_type=None, icmp_code=None,
				recvr=True):
        # Create stream and profile
        if fip:
            stream = Stream(
                protocol="ip", sport=sport, dport=dport, proto=proto, src=sender_vm.vm_ip,
                dst=fip,type=icmp_type,code=icmp_code)
        else:
            stream = Stream(
                protocol="ip", sport=sport, dport=dport, proto=proto, src=sender_vm.vm_ip,
                dst=receiver_vm.vm_ip,type=icmp_type,code=icmp_code)
        profile_kwargs = {'stream': stream}
        if fip:
            profile_kwargs.update({'listener': receiver_vm.vm_ip})
	if payload:
	    profile_kwargs.update({'payload': payload})
        if count:
            profile_kwargs.update({'count': count})
            profile = StandardProfile(**profile_kwargs)
        else:
            profile = ContinuousProfile(**profile_kwargs)

        # Set VM credentials
        send_node = Host(sender_vm.vm_node_ip,
                         self.inputs.username, self.inputs.password)
        recv_node = Host(receiver_vm.vm_node_ip,
                         self.inputs.username, self.inputs.password)
        send_host = Host(sender_vm.local_ip,
                         sender_vm.vm_username, sender_vm.vm_password)
        recv_host = Host(receiver_vm.local_ip,
                         receiver_vm.vm_username, receiver_vm.vm_password)

        # Create send, receive helpers
        sender = Sender("send%s" %
                        proto, profile, send_node, send_host, self.inputs.logger)
        receiver = Receiver("recv%s" %
                            proto, profile, recv_node, recv_host, self.inputs.logger)

        # start traffic
	if recvr:
            receiver.start()
        sender.start()

        return (sender, receiver)

# 需要导入模块: from traffic.core.helpers import Sender [as 别名]
# 或者: from traffic.core.helpers.Sender import start [as 别名]
    def test_traffic_connections_while_control_nodes_go_down(self):
        """Tests related to connections and traffic while switching from normal mode to headless and back
           i.e. control nodes go down and come online."""

        if len(self.inputs.compute_ips) < 2:
            raise unittest.SkipTest("This test needs atleast 2 compute nodes.")
        else:
            self.logger.info("Required resources are in place to run the test.")

        result = True
        topology_class_name = None

        self.compute_fixture_dict = {}
        for each_compute in self.inputs.compute_ips:
            self.compute_fixture_dict[each_compute] = self.useFixture(
                ComputeNodeFixture(
                    connections=self.connections,
                    node_ip=each_compute,
                    username=self.inputs.username,
                    password=self.inputs.password))
            mode = self.compute_fixture_dict[
                each_compute].get_agent_headless_mode()
            if mode is False:
                self.compute_fixture_dict[
                    each_compute].set_agent_headless_mode()
        #
        # Get config for test from topology
        result = True
        msg = []
        if not topology_class_name:
            topology_class_name = test_headless_vrouter_topo.sdn_headless_vrouter_topo

        self.logger.info("Scenario for the test used is: %s" %
                         (topology_class_name))
        #
        # Create a list of compute node IP's and pass it to topo if you want to pin
        # a vm to a particular node
        topo_obj = topology_class_name(
            compute_node_list=self.inputs.compute_ips)
        #
        # Test setup: Configure policy, VN, & VM
        # return {'result':result, 'msg': err_msg, 'data': [self.topo, config_topo]}
        # Returned topo is of following format:
        # config_topo= {'policy': policy_fixt, 'vn': vn_fixture, 'vm': vm_fixture}
        topo = {}
        topo_objs = {}
        config_topo = {}
        setup_obj = self.useFixture(
            sdnTopoSetupFixture(self.connections, topo_obj))
        out = setup_obj.sdn_topo_setup()
        self.assertEqual(out['result'], True, out['msg'])
        if out['result']:
            topo_objs, config_topo, vm_fip_info = out['data']

        # Start Test
        proj = config_topo.keys()
        vms = config_topo[proj[0]]['vm'].keys()
        src_vm = config_topo[proj[0]]['vm'][vms[0]]
        dest_vm = config_topo[proj[0]]['vm'][vms[1]]
        flow_cache_timeout = 180

        # Setup Traffic.
        stream = Stream(protocol="ip", proto="icmp",
                        src=src_vm.vm_ip, dst=dest_vm.vm_ip)
        profile = ContinuousProfile(stream=stream, count=0, capfilter="icmp")

        tx_vm_node_ip = src_vm.vm_node_ip
        rx_vm_node_ip = dest_vm.vm_node_ip

        tx_local_host = Host(
            tx_vm_node_ip,
            self.inputs.username,
            self.inputs.password)
        rx_local_host = Host(
            rx_vm_node_ip,
            self.inputs.username,
            self.inputs.password)

        send_host = Host(
            src_vm.local_ip,
            src_vm.vm_username,
            src_vm.vm_password)
        recv_host = Host(
            dest_vm.local_ip,
            dest_vm.vm_username,
            dest_vm.vm_password)

        sender = Sender("icmp", profile, tx_local_host,
                        send_host, self.inputs.logger)
        receiver = Receiver("icmp", profile, rx_local_host,
                            recv_host, self.inputs.logger)

        receiver.start()
        sender.start()

        flow_index_list = headless_vr_utils.get_flow_index_list(
            self,
            src_vm,
            dest_vm)

#.........这里部分代码省略.........

# 需要导入模块: from traffic.core.helpers import Sender [as 别名]
# 或者: from traffic.core.helpers.Sender import start [as 别名]
    def test_config_add_change_while_control_nodes_go_down(self):
        """Tests related to configuration add, change, and delete while switching from normal mode
           to headless and back i.e. control nodes go down and come online."""

        if len(self.inputs.compute_ips) < 2:
            raise unittest.SkipTest("This test needs atleast 2 compute nodes.")
        else:
            self.logger.info("Required resources are in place to run the test.")

        result = True
        topology_class_name = None

        self.compute_fixture_dict = {}
        for each_compute in self.inputs.compute_ips:
            self.compute_fixture_dict[each_compute] = self.useFixture(
                ComputeNodeFixture(
                    connections=self.connections,
                    node_ip=each_compute,
                    username=self.inputs.username,
                    password=self.inputs.password))
            mode = self.compute_fixture_dict[
                each_compute].get_agent_headless_mode()
            if mode is False:
                self.compute_fixture_dict[
                    each_compute].set_agent_headless_mode()
        #
        # Get config for test from topology
        result = True
        msg = []
        if not topology_class_name:
            topology_class_name = test_headless_vrouter_topo.sdn_headless_vrouter_topo

        self.logger.info("Scenario for the test used is: %s" %
                         (topology_class_name))
        #
        # Create a list of compute node IP's and pass it to topo if you want to pin
        # a vm to a particular node
        topo_obj = topology_class_name(
            compute_node_list=self.inputs.compute_ips)
        #
        # Test setup: Configure policy, VN, & VM
        # return {'result':result, 'msg': err_msg, 'data': [self.topo, config_topo]}
        # Returned topo is of following format:
        # config_topo= {'policy': policy_fixt, 'vn': vn_fixture, 'vm': vm_fixture}
        topo = {}
        topo_objs = {}
        config_topo = {}
        setup_obj = self.useFixture(
            sdnTopoSetupFixture(self.connections, topo_obj))
        out = setup_obj.sdn_topo_setup()
        self.assertEqual(out['result'], True, out['msg'])
        if out['result']:
            topo_objs, config_topo, vm_fip_info = out['data']

        # Start Test
        proj = config_topo.keys()
        vms = config_topo[proj[0]]['vm'].keys()
        src_vm = config_topo[proj[0]]['vm'][vms[0]]
        dest_vm = config_topo[proj[0]]['vm'][vms[1]]
        flow_cache_timeout = 180

        # Setup Traffic.
        stream = Stream(protocol="ip", proto="icmp",
                        src=src_vm.vm_ip, dst=dest_vm.vm_ip)
        profile = ContinuousProfile(stream=stream, count=0, capfilter="icmp")

        tx_vm_node_ip = src_vm.vm_node_ip
        rx_vm_node_ip = dest_vm.vm_node_ip

        tx_local_host = Host(
            tx_vm_node_ip,
            self.inputs.username,
            self.inputs.password)
        rx_local_host = Host(
            rx_vm_node_ip,
            self.inputs.username,
            self.inputs.password)

        send_host = Host(
            src_vm.local_ip,
            src_vm.vm_username,
            src_vm.vm_password)
        recv_host = Host(
            dest_vm.local_ip,
            dest_vm.vm_username,
            dest_vm.vm_password)

        sender = Sender("icmp", profile, tx_local_host,
                        send_host, self.inputs.logger)
        receiver = Receiver("icmp", profile, rx_local_host,
                            recv_host, self.inputs.logger)

        receiver.start()
        sender.start()

        #self.start_ping(src_vm, dest_vm)

        flow_index_list = headless_vr_utils.get_flow_index_list(
            self,
            src_vm,
#.........这里部分代码省略.........

# 需要导入模块: from traffic.core.helpers import Sender [as 别名]
# 或者: from traffic.core.helpers.Sender import start [as 别名]
class BaseResource(BaseSanityResource):

    __metaclass__ = Singleton

    def setUp(self,inputs,connections):
        super(BaseResource , self).setUp(inputs, connections)
        self.setup_common_objects(self.inputs , self.connections)

    def cleanUp(self):
        super(BaseResource, self).cleanUp()

    def setup_common_objects(self, inputs , connections):
        (self.vn2_name, self.fip_vn_name) = (get_random_name("vn2"), get_random_name("fip_vn"))
        self.vn2_vm2_name = get_random_name('vn2_vm2')
        self.fvn_vm1_name = get_random_name('fvn_vm1')

        self.vn2_fixture = self.useFixture(VNFixture(
            project_name=self.inputs.project_name,
            connections=self.connections,
            inputs=self.inputs,
            vn_name=self.vn2_name))

        self.fvn_fixture = self.useFixture(VNFixture(
            project_name=self.inputs.project_name,
            connections=self.connections,
            inputs=self.inputs,
            vn_name=self.fip_vn_name))

        # Making sure VM falls on diffrent compute host
        self.orch = self.connections.orch 
        host_list = self.orch.get_hosts()
        compute_2 = host_list[0]
        if len(host_list) > 1:
            compute_2 = host_list[1]

        self.vn2_vm2_fixture=self.useFixture(VMFixture(project_name= self.inputs.project_name,
                            connections= self.connections, vn_obj= self.vn2_fixture.obj,
                            vm_name= self.vn2_vm2_name, image_name='ubuntu-traffic',
                            node_name=compute_2))
        self.fvn_vm1_fixture=self.useFixture(VMFixture(project_name= self.inputs.project_name,
                                connections= self.connections, vn_obj= self.fvn_fixture.obj,
                                vm_name= self.fvn_vm1_name))
        self.multi_intf_vm_fixture = self.useFixture(VMFixture(connections=self.connections,
                                     vn_objs=[self.vn1_fixture.obj , self.vn2_fixture.obj],
                                     vm_name='mltf_vm',
                                     project_name=self.inputs.project_name))

        self.verify_common_objects()
    #end setup_common_objects

    def verify_common_objects(self):
        super(BaseResource , self).verify_sanity_common_objects()
        assert self.vn2_fixture.verify_on_setup()
        assert self.fvn_fixture.verify_on_setup()
        assert self.fvn_vm1_fixture.wait_till_vm_is_up()
        assert self.vn2_vm2_fixture.wait_till_vm_is_up()
        assert self.multi_intf_vm_fixture.wait_till_vm_is_up()
    #end verify_common_objects

    def start_traffic(self):
        # installing traffic package in vm
        self.vn1_vm1_fixture.install_pkg("Traffic")
        self.vn2_vm2_fixture.install_pkg("Traffic")
        self.fvn_vm1_fixture.install_pkg("Traffic")

        self.tx_vm_node_ip = self.vn1_vm1_fixture.vm_node_ip
        self.rx_vm_node_ip = self.vn2_vm2_fixture.vm_node_ip
        self.tx_local_host = Host(
                            self.tx_vm_node_ip, self.inputs.host_data[
                            self.tx_vm_node_ip]['username'], self.inputs.host_data[
                            self.tx_vm_node_ip]['password'])
        self.rx_local_host = Host(
                            self.rx_vm_node_ip, self.inputs.host_data[
                            self.rx_vm_node_ip]['username'], self.inputs.host_data[
                            self.rx_vm_node_ip]['password'])
        self.send_host = Host(self.vn1_vm1_fixture.local_ip,
                            self.vn1_vm1_fixture.vm_username,
                            self.vn1_vm1_fixture.vm_password)
        self.recv_host = Host(self.vn2_vm2_fixture.local_ip,
                            self.vn2_vm2_fixture.vm_username,
                            self.vn2_vm2_fixture.vm_password)
        # Create traffic stream
        self.logger.info("Creating streams...")
        stream = Stream(
            protocol="ip",
            proto="udp",
            src=self.vn1_vm1_fixture.vm_ip,
            dst=self.vn2_vm2_fixture.vm_ip,
            dport=9000)

        profile = StandardProfile(
            stream=stream,
            size=100,
            count=10,
            listener=self.vn2_vm2_fixture.vm_ip)
        self.sender = Sender(
            "sendudp",
            profile,
            self.tx_local_host,
            self.send_host,
#.........这里部分代码省略.........

# 需要导入模块: from traffic.core.helpers import Sender [as 别名]
# 或者: from traffic.core.helpers.Sender import start [as 别名]
    def test_verify_flow_series_table(self):
        ''' Test to validate flow series table

        '''
        vn1_name = self.res.vn1_name
        vn1_subnets = self.res.vn1_fixture.get_cidrs(af='v4')
        vn2_name = self.res.vn2_name
        vn2_subnets = self.res.vn2_fixture.get_cidrs(af='v4')
        policy1_name = 'policy1'
        policy2_name = 'policy2'
        rules = [
            {
                'direction': '<>', 'simple_action': 'pass',
                'protocol': 'udp',
                'source_network': vn1_name,
                'dest_network': vn2_name,
            },
        ]
        rev_rules = [
            {
                'direction': '<>', 'simple_action': 'pass',
                'protocol': 'udp',
                'source_network': vn2_name,
                'dest_network': vn1_name,
            },
        ]
        policy1_fixture = self.useFixture(
            PolicyFixture(
                policy_name=policy1_name,
                rules_list=rules,
                inputs=self.inputs,
                connections=self.connections))
        policy2_fixture = self.useFixture(
            PolicyFixture(
                policy_name=policy2_name,
                rules_list=rev_rules,
                inputs=self.inputs,
                connections=self.connections))
        vn1_fixture = self.res.vn1_fixture
        vn1_fixture.bind_policies(
            [policy1_fixture.policy_fq_name], vn1_fixture.vn_id)
        self.addCleanup(
            vn1_fixture.unbind_policies, vn1_fixture.vn_id, [
                policy1_fixture.policy_fq_name])

        assert vn1_fixture.verify_on_setup()
        vn2_fixture = self.res.vn2_fixture
        vn2_fixture.bind_policies(
            [policy2_fixture.policy_fq_name], vn2_fixture.vn_id)
        assert vn2_fixture.verify_on_setup()
        self.addCleanup(
            vn2_fixture.unbind_policies, vn2_fixture.vn_id, [
                policy2_fixture.policy_fq_name])
#        self.res.verify_common_objects()
        # installing traffic package in vm
        self.res.vn1_vm1_fixture.install_pkg("Traffic")
        self.res.vn2_vm2_fixture.install_pkg("Traffic")
#        self.res.fvn_vm1_fixture.install_pkg("Traffic")

        self.tx_vm_node_ip = self.res.vn1_vm1_fixture.vm_node_ip
        self.rx_vm_node_ip = self.res.vn2_vm2_fixture.vm_node_ip
        self.tx_local_host = Host(
            self.tx_vm_node_ip, self.inputs.host_data[
                self.tx_vm_node_ip]['username'], self.inputs.host_data[
                self.tx_vm_node_ip]['password'])
        self.rx_local_host = Host(
            self.rx_vm_node_ip, self.inputs.host_data[
                self.rx_vm_node_ip]['username'], self.inputs.host_data[
                self.rx_vm_node_ip]['password'])
        self.send_host = Host(self.res.vn1_vm1_fixture.local_ip,
                              self.res.vn1_vm1_fixture.vm_username,
                              self.res.vn1_vm1_fixture.vm_password)
        self.recv_host = Host(self.res.vn2_vm2_fixture.local_ip,
                              self.res.vn2_vm2_fixture.vm_username,
                              self.res.vn2_vm2_fixture.vm_password)
        # Create traffic stream
        start_time = self.analytics_obj.getstarttime(self.tx_vm_node_ip)
        self.logger.info("start time= %s" % (start_time))
        for i in range(10):
            count = 100
            dport = 9000
            count = count * (i + 1)
            dport = dport + i
            print 'count=%s' % (count)
            print 'dport=%s' % (dport)

            self.logger.info("Creating streams...")
            stream = Stream(
                protocol="ip",
                proto="udp",
                src=self.res.vn1_vm1_fixture.vm_ip,
                dst=self.res.vn2_vm2_fixture.vm_ip,
                dport=dport)

            profile = StandardProfile(
                stream=stream,
                size=100,
                count=count,
                listener=self.res.vn2_vm2_fixture.vm_ip)
            sender = Sender(
#.........这里部分代码省略.........

# 需要导入模块: from traffic.core.helpers import Sender [as 别名]
# 或者: from traffic.core.helpers.Sender import start [as 别名]
    def test_verify_flow_series_table_query_range(self):
        ''' Test to validate flow series table for query range

        '''
        # installing traffic package in vm
        self.res.vn1_vm1_fixture.install_pkg("Traffic")
        self.res.vn1_vm2_fixture.install_pkg("Traffic")

        self.tx_vm_node_ip = self.res.vn1_vm1_fixture.vm_node_ip
        self.rx_vm_node_ip = self.res.vn1_vm2_fixture.vm_node_ip
        self.tx_local_host = Host(
            self.tx_vm_node_ip, self.inputs.host_data[
                self.tx_vm_node_ip]['username'], self.inputs.host_data[
                self.tx_vm_node_ip]['password'])
        self.rx_local_host = Host(
            self.rx_vm_node_ip, self.inputs.host_data[
                self.rx_vm_node_ip]['username'], self.inputs.host_data[
                self.rx_vm_node_ip]['password'])

        self.send_host = Host(self.res.vn1_vm1_fixture.local_ip,
                              self.res.vn1_vm1_fixture.vm_username,
                              self.res.vn1_vm1_fixture.vm_password)
        self.recv_host = Host(self.res.vn1_vm2_fixture.local_ip,
                              self.res.vn1_vm2_fixture.vm_username,
                              self.res.vn1_vm2_fixture.vm_password)
        # Create traffic stream
        start_time = self.analytics_obj.getstarttime(self.tx_vm_node_ip)
        self.logger.info("start time= %s" % (start_time))

        self.logger.info("Creating streams...")
        dport = 11000
        stream = Stream(
            protocol="ip",
            proto="udp",
            src=self.res.vn1_vm1_fixture.vm_ip,
            dst=self.res.vn1_vm2_fixture.vm_ip,
            dport=dport)

        startport = 10000
        profile = ContinuousSportRange(
            stream=stream,
            listener=self.res.vn1_vm2_fixture.vm_ip,
            startport=10000,
            endport=dport,
            pps=100)
        sender = Sender(
            'sname',
            profile,
            self.tx_local_host,
            self.send_host,
            self.inputs.logger)
        receiver = Receiver(
            'rname',
            profile,
            self.rx_local_host,
            self.recv_host,
            self.inputs.logger)
        receiver.start()
        sender.start()
        time.sleep(30)
        sender.stop()
        receiver.stop()
        print sender.sent, receiver.recv
        time.sleep(1)

        vm_node_ip = self.res.vn1_vm1_fixture.inputs.host_data[
            self.res. vn1_vm1_fixture.nova_h.get_nova_host_of_vm(
                self.res.vn1_vm1_fixture.vm_obj)]['host_ip']
        vm_host = self.res.vn1_vm1_fixture.inputs.host_data[vm_node_ip]['name']
        time.sleep(30)
        # Verifying flow series table
        src_vn = 'default-domain' + ':' + \
            self.inputs.project_name + ':' + self.res.vn1_name
        dst_vn = 'default-domain' + ':' + \
            self.inputs.project_name + ':' + self.res.vn1_name
        # creating query: '(sourcevn=default-domain:admin:vn1) AND
        # (destvn=default-domain:admin:vn2)'
        query = '(sourcevn=%s) AND (destvn=%s) AND protocol= 17 AND (sport = 10500 < 11000)' % (
            src_vn, dst_vn)
        for ip in self.inputs.collector_ips:
            self.logger.info('setup_time= %s' % (start_time))
            # Quering flow sreies table

            self.logger.info(
                "Verifying flowSeriesTable through opserver %s" %
                (ip))
            self.res1 = self.analytics_obj.ops_inspect[ip].post_query(
                'FlowSeriesTable',
                start_time=start_time,
                end_time='now',
                select_fields=[
                    'sourcevn',
                    'sourceip',
                    'destvn',
                    'destip',
                    'sum(packets)',
                    'sport',
                    'dport',
                    'T=1'],
                where_clause=query)
#.........这里部分代码省略.........

# 需要导入模块: from traffic.core.helpers import Sender [as 别名]
# 或者: from traffic.core.helpers.Sender import start [as 别名]

#.........这里部分代码省略.........
        pkts_before_traffic = self.analytics_obj.get_inter_vn_stats(
            self.inputs.collector_ips[0],
            src_vn=vn1_fq_name,
            other_vn=vn2_fq_name,
            direction='in')
        if not pkts_before_traffic:
            pkts_before_traffic = 0
        # Create traffic stream
        self.logger.info("Creating streams...")
        stream = Stream(
            protocol="ip",
            proto="udp",
            src=self.res.vn1_vm1_fixture.vm_ip,
            dst=self.res.vn2_vm2_fixture.vm_ip,
            dport=9000)

        profile = StandardProfile(
            stream=stream,
            size=100,
            count=10,
            listener=self.res.vn2_vm2_fixture.vm_ip)
        sender = Sender(
            "sendudp",
            profile,
            self.tx_local_host,
            self.send_host,
            self.inputs.logger)
        receiver = Receiver(
            "recvudp",
            profile,
            self.rx_local_host,
            self.recv_host,
            self.inputs.logger)
        start_time = self.analytics_obj.getstarttime(self.tx_vm_node_ip)
        self.logger.info("start time= %s" % (start_time))
        receiver.start()
        sender.start()
        time.sleep(10)
        # Poll to make usre traffic flows, optional
        # sender.poll()
        # receiver.poll()
        sender.stop()
        receiver.stop()
        print sender.sent, receiver.recv
        for vn in [self.res.vn1_fixture.vn_fq_name,\
                    self.res.vn2_fixture.vn_fq_name]:
                 
            #ACL count        
            if not (int(self.analytics_obj.get_acl\
                    (self.inputs.collector_ips[0],vn)) > 0):
                    self.logger.error("Acl counts not received from Agent uve \
                                in %s vn uve"%(vn))
                    result = result and False

            if not (int(self.analytics_obj.get_acl\
                    (self.inputs.collector_ips[0], vn, tier = 'Config')) > 0):
                    self.logger.error("Acl counts not received from Config uve \
                                in %s vn uve"%(vn))
                    result = result and False

            #Bandwidth usage        
            if not (int(self.analytics_obj.get_bandwidth_usage\
                    (self.inputs.collector_ips[0], vn, direction = 'out')) > 0):
                    self.logger.error("Bandwidth not shown  \
                                in %s vn uve"%(vn))
                    result = result and False

# 需要导入模块: from traffic.core.helpers import Sender [as 别名]
# 或者: from traffic.core.helpers.Sender import start [as 别名]
    def start(
            self,
            sender_vm,
            receiver_vm,
            proto,
            sport,
            dport,
            pkt_count=None,
            fip=None,
            interval=0):

        self.sender_vm = sender_vm
        self.receiver_vm = receiver_vm
        self.proto = proto
        self.sport = sport
        self.dport = dport
        self.inputs = sender_vm.inputs
        self.logger = self.inputs.logger
        self.pkt_count = pkt_count
        self.fip = fip
        self.interval = interval

        if self.fip:
            stream = Stream(
                protocol="ip",
                sport=self.sport,
                dport=self.dport,
                proto=self.proto,
                src=self.sender_vm.vm_ip,
                dst=self.fip)
        else:
            stream = Stream(
                protocol="ip",
                sport=self.sport,
                dport=self.dport,
                proto=self.proto,
                src=self.sender_vm.vm_ip,
                dst=self.receiver_vm.vm_ip,
                inter=self.interval)
        profile_kwargs = {'stream': stream}
        if self.fip:
            profile_kwargs.update({'listener': self.receiver_vm.vm_ip})
        if self.pkt_count:
            profile_kwargs.update({'count': self.pkt_count})
            profile = StandardProfile(**profile_kwargs)
        else:
            profile = ContinuousProfile(**profile_kwargs)

        # Set VM credentials
        send_node = Host(self.sender_vm.vm_node_ip,
                         self.sender_vm.inputs.host_data[self.sender_vm.vm_node_ip]['username'],
                         self.sender_vm.inputs.host_data[self.sender_vm.vm_node_ip]['password'])
        recv_node = Host(self.receiver_vm.vm_node_ip,
                         self.sender_vm.inputs.host_data[self.receiver_vm.vm_node_ip]['username'],
                         self.sender_vm.inputs.host_data[self.receiver_vm.vm_node_ip]['password'])
        send_host = Host(self.sender_vm.local_ip,
                         self.sender_vm.vm_username, self.sender_vm.vm_password)
        recv_host = Host(self.receiver_vm.local_ip,
                         self.receiver_vm.vm_username, self.receiver_vm.vm_password)

        # Create send, receive helpers
        random = get_random_name()
        send_name = 'send' + self.proto + '_' + random
        recv_name = 'recv' + self.proto + '_' + random
        sender = Sender(send_name,
                        profile, send_node, send_host, self.logger)
        receiver = Receiver(recv_name,
                            profile, recv_node, recv_host, self.logger)

        # start traffic
        receiver.start()
        sender.start()

        self.sender = sender
        self.receiver = receiver
        return True 

# 需要导入模块: from traffic.core.helpers import Sender [as 别名]
# 或者: from traffic.core.helpers.Sender import start [as 别名]
class BaseResource(fixtures.Fixture):
   
    __metaclass__ = Singleton
     
    def setUp(self,inputs,connections):
        super(BaseResource , self).setUp()
        self.inputs = inputs
        self.connections = connections
        self.setup_common_objects(self.inputs , self.connections)

    def cleanUp(self):
        super(BaseResource, self).cleanUp() 

    def setup_common_objects(self, inputs , connections):
  
    	self.inputs = inputs

        #self.inputs.set_af('dual')
        self.connections = connections
        self.logger = self.inputs.logger
        #(self.vn1_name, self.vn1_subnets)= ("vn1", ["192.168.1.0/24"])
        #(self.vn2_name, self.vn2_subnets)= ("vn2", ["192.168.2.0/24"])
        #(self.fip_vn_name, self.fip_vn_subnets)= ("fip_vn", ['100.1.1.0/24'])
        (self.vn1_name, self.vn2_name, self.fip_vn_name)= ("vn1", "vn2", "fip_vn")
        (self.vn1_vm1_name, self.vn1_vm2_name)=( 'vn1_vm1', 'vn1_vm2')
        self.vn2_vm1_name= 'vn2_vm1'
        self.vn2_vm2_name= 'vn2_vm2'
        self.fvn_vm1_name= 'fvn_vm1'

        # Configure 3 VNs, one of them being Floating-VN
        self.vn1_fixture=self.useFixture( VNFixture(project_name= self.inputs.project_name,
                            connections= self.connections, inputs= self.inputs,
                            vn_name= self.vn1_name))

        self.vn2_fixture=self.useFixture( VNFixture(project_name= self.inputs.project_name,
                            connections= self.connections, inputs= self.inputs,
                            vn_name= self.vn2_name))

        self.fvn_fixture=self.useFixture( VNFixture(project_name= self.inputs.project_name,
                            connections= self.connections, inputs= self.inputs,
                            vn_name= self.fip_vn_name))

        # Making sure VM falls on diffrent compute host
        host_list = self.connections.nova_h.get_hosts()
        compute_1 = host_list[0]
        compute_2 = host_list[0]
        if len(host_list) > 1:
            compute_1 = host_list[0]
            compute_2 = host_list[1]
        # Configure 6 VMs in VN1, 1 VM in VN2, and 1 VM in FVN
        self.vn1_vm1_fixture=self.useFixture(VMFixture(project_name= self.inputs.project_name,
                                connections= self.connections, vn_obj= self.vn1_fixture.obj,
                                vm_name= self.vn1_vm1_name,image_name='ubuntu-traffic',
				flavor='contrail_flavor_medium', node_name=compute_1))

        self.vn1_vm2_fixture=self.useFixture(VMFixture(project_name= self.inputs.project_name,
                                connections= self.connections, vn_obj= self.vn1_fixture.obj,
                                vm_name= self.vn1_vm2_name , image_name='ubuntu-traffic',
				flavor='contrail_flavor_medium'))

        self.vn2_vm2_fixture=self.useFixture(VMFixture(project_name= self.inputs.project_name,
                            connections= self.connections, vn_obj= self.vn2_fixture.obj,
                            vm_name= self.vn2_vm2_name, image_name='ubuntu-traffic', flavor='contrail_flavor_medium',
                            node_name=compute_2))
#
        self.fvn_vm1_fixture=self.useFixture(VMFixture(project_name= self.inputs.project_name,
                                connections= self.connections, vn_obj= self.fvn_fixture.obj,
                                vm_name= self.fvn_vm1_name))

        self.multi_intf_vm_fixture = self.useFixture(VMFixture(connections=self.connections,
                                     vn_objs=[self.vn1_fixture.obj , self.vn2_fixture.obj],
                                     vm_name='mltf_vm',
                                     project_name=self.inputs.project_name))
    
        self.verify_common_objects()
    #end setup_common_objects

    def verify_common_objects(self):
        assert self.vn1_fixture.verify_on_setup()
        assert self.vn2_fixture.verify_on_setup()
        assert self.fvn_fixture.verify_on_setup()
        assert self.vn1_vm1_fixture.verify_on_setup()
        assert self.vn1_vm2_fixture.verify_on_setup()
        assert self.fvn_vm1_fixture.verify_on_setup()
        assert self.vn2_vm2_fixture.verify_on_setup()
        assert self.multi_intf_vm_fixture.verify_on_setup()
    #end verify_common_objects

    def start_traffic(self):
        # installing traffic package in vm
        self.vn1_vm1_fixture.install_pkg("Traffic")
        self.vn2_vm2_fixture.install_pkg("Traffic")
        self.fvn_vm1_fixture.install_pkg("Traffic")

        self.tx_vm_node_ip = self.vn1_vm1_fixture.vm_node_ip
        self.rx_vm_node_ip = self.vn2_vm2_fixture.vm_node_ip
        self.tx_local_host = Host(
                            self.tx_vm_node_ip, self.inputs.host_data[
                            self.tx_vm_node_ip]['username'], self.inputs.host_data[
                            self.tx_vm_node_ip]['password'])
#.........这里部分代码省略.........

# 需要导入模块: from traffic.core.helpers import Sender [as 别名]
# 或者: from traffic.core.helpers.Sender import start [as 别名]
    def startTraffic(
        self, name='stream', num_streams=1, start_port=9100, tx_vm_fixture=None,
        rx_vm_fixture=None, stream_proto='udp', vm_fip_info=None,
        packet_size=100, cfg_profile='ContinuousProfile', start_sport=8000,
        total_single_instance_streams=20, chksum=False, pps=100, fip=None,
        tx_vn_fixture=None, rx_vn_fixture=None, af=None):
        ''' Start traffic based on inputs given..
        Return {'status': True, 'msg': None} if traffic started successfully..else return {'status': False, 'msg': err_msg}..
        Details on inputs:
        name    : Stream identifier;    num_streams     : number of separate sendpkts instance streams [will take more memory]
        start_port  : Destination start port if num_streams is used
        tx_vm_fixture & rx_vm_fixture  : Needed for vm_ip and vm_mdata_ip [to access vm from compute]
        stream_proto    : TCP, UDP or ICMP; packet_size : if custom size if needed
        start_sport     : if ContinuousSportRange is used, only supports UDP, starting number for source port
        total_single_instance_streams   : if ContinuousSportRange is used, specify number of streams
        pps             :Number of packets to launch per sec
        ContinuousSportRange launches n streams @defined pps, with one instance of sendpkts..
        '''
        self.logger.info("startTraffic data: name- %s, stream_proto-%s, packet_size-%s, total_single_instance_streams-%s, chksum-%s, pps-%s"
                         % (name, stream_proto, packet_size, total_single_instance_streams, chksum, pps))
        status = True
        msg = None
        self.packet_size = packet_size
        self.chksum = chksum
        self.start_port = start_port
        self.start_sport = start_sport
        self.endport = start_sport + total_single_instance_streams
        self.total_single_instance_streams = total_single_instance_streams
        self.tx_vm_fixture = tx_vm_fixture
        self.rx_vm_fixture = rx_vm_fixture
        tx_vn_fq_name = tx_vn_fixture.get_vn_fq_name() if tx_vn_fixture else None
        rx_vn_fq_name = rx_vn_fixture.get_vn_fq_name() if rx_vn_fixture else None
        af = af if af is not None else self.inputs.get_af()
        self.stream_proto = stream_proto
        self.vm_fip_info = vm_fip_info
        self.traffic_fip = False
        if self.vm_fip_info == None:
            self.traffic_fip = False
        else:
            self.traffic_fip = True
        if not self.traffic_fip:
            self.tx_vm_node_ip = self.tx_vm_fixture.vm_node_ip
            self.rx_vm_node_ip = self.rx_vm_fixture.vm_node_ip
            self.tx_local_host = Host(
                self.tx_vm_node_ip,
                self.inputs.host_data[self.tx_vm_node_ip]['username'],
                self.inputs.host_data[self.tx_vm_node_ip]['password'])
            self.rx_local_host = Host(
                self.rx_vm_node_ip,
                self.inputs.host_data[self.rx_vm_node_ip]['username'],
                self.inputs.host_data[self.rx_vm_node_ip]['password'])
            self.send_host = Host(self.tx_vm_fixture.local_ip,
                                  self.tx_vm_fixture.vm_username, self.tx_vm_fixture.vm_password)
            self.recv_host = Host(self.rx_vm_fixture.local_ip,
                                  self.rx_vm_fixture.vm_username, self.rx_vm_fixture.vm_password)
        else:
            self.tx_vm_node_ip = None
            self.rx_vm_node_ip = None
            self.tx_local_host = Host(
                self.inputs.cfgm_ip,
                self.inputs.host_data[self.tx_vm_node_ip]['username'],
                self.inputs.host_data[self.tx_vm_node_ip]['password'])
            self.rx_local_host = Host(
                self.inputs.cfgm_ip,
                self.inputs.host_data[self.rx_vm_node_ip]['username'],
                self.inputs.host_data[self.rx_vm_node_ip]['password'])
            self.send_host = Host(self.vm_fip_info[self.tx_vm_fixture.vm_name])
            self.recv_host = Host(self.vm_fip_info[self.rx_vm_fixture.vm_name])
        self.sender = list()
        self.receiver = list()
        self.num_streams = 0

        if fip is None:
            self.dst_ips = list(); self.src_ips = list()
            if af == 'dual' or af == 'v4':
                self.src_ips.extend(self.tx_vm_fixture.get_vm_ips(
                                    vn_fq_name=tx_vn_fq_name, af='v4'))
                self.dst_ips.extend(self.rx_vm_fixture.get_vm_ips(
                                    vn_fq_name=rx_vn_fq_name, af='v4'))
            if af == 'dual' or af == 'v6':
                self.src_ips.extend(self.tx_vm_fixture.get_vm_ips(
                                    vn_fq_name=tx_vn_fq_name, af='v6'))
                self.dst_ips.extend(self.rx_vm_fixture.get_vm_ips(
                                    vn_fq_name=rx_vn_fq_name, af='v6'))
        else:
            self.dst_ips = [fip]
            self.src_ips = [self.tx_vm_fixture.vm_ip]
        if len(self.dst_ips) > len(self.src_ips):
            raise Exception('No of destination ips cant be greater than'
                            ' source ips, for multi stream case')

        for index in range(len(self.dst_ips)):
            name = name + '_dst' + str(index) + '_'
            for i in range(num_streams):
                self.name = name + self.stream_proto + str(i)
                self.dport = start_port + i
                m = "Send protocol %s traffic to port %s" % (
                    self.stream_proto, self.dport)
                if self.stream_proto == 'icmp':
                    m = "Send protocol %s traffic" % self.stream_proto
#.........这里部分代码省略.........

# 需要导入模块: from traffic.core.helpers import Sender [as 别名]
# 或者: from traffic.core.helpers.Sender import start [as 别名]
    def test_verify_flow_series_table(self):
        """ Test to validate flow series table

        """
        vn1_name = self.res.vn1_name
        vn1_subnets = self.res.vn1_fixture.get_cidrs(af="v4")
        vn2_name = self.res.vn2_name
        vn2_subnets = self.res.vn2_fixture.get_cidrs(af="v4")
        policy1_name = "policy1"
        policy2_name = "policy2"
        rules = [
            {
                "direction": "<>",
                "simple_action": "pass",
                "protocol": "udp",
                "source_network": vn1_name,
                "dest_network": vn2_name,
            }
        ]
        rev_rules = [
            {
                "direction": "<>",
                "simple_action": "pass",
                "protocol": "udp",
                "source_network": vn2_name,
                "dest_network": vn1_name,
            }
        ]
        policy1_fixture = self.useFixture(
            PolicyFixture(policy_name=policy1_name, rules_list=rules, inputs=self.inputs, connections=self.connections)
        )
        policy2_fixture = self.useFixture(
            PolicyFixture(
                policy_name=policy2_name, rules_list=rev_rules, inputs=self.inputs, connections=self.connections
            )
        )
        vn1_fixture = self.res.vn1_fixture
        vn1_fixture.bind_policies([policy1_fixture.policy_fq_name], vn1_fixture.vn_id)
        self.addCleanup(vn1_fixture.unbind_policies, vn1_fixture.vn_id, [policy1_fixture.policy_fq_name])

        assert vn1_fixture.verify_on_setup()
        vn2_fixture = self.res.vn2_fixture
        vn2_fixture.bind_policies([policy2_fixture.policy_fq_name], vn2_fixture.vn_id)
        assert vn2_fixture.verify_on_setup()
        self.addCleanup(vn2_fixture.unbind_policies, vn2_fixture.vn_id, [policy2_fixture.policy_fq_name])
        #        self.res.verify_common_objects()
        # installing traffic package in vm
        self.res.vn1_vm1_fixture.install_pkg("Traffic")
        self.res.vn2_vm2_fixture.install_pkg("Traffic")
        #        self.res.fvn_vm1_fixture.install_pkg("Traffic")

        self.tx_vm_node_ip = self.res.vn1_vm1_fixture.vm_node_ip
        self.rx_vm_node_ip = self.res.vn2_vm2_fixture.vm_node_ip
        self.tx_local_host = Host(
            self.tx_vm_node_ip,
            self.inputs.host_data[self.tx_vm_node_ip]["username"],
            self.inputs.host_data[self.tx_vm_node_ip]["password"],
        )
        self.rx_local_host = Host(
            self.rx_vm_node_ip,
            self.inputs.host_data[self.rx_vm_node_ip]["username"],
            self.inputs.host_data[self.rx_vm_node_ip]["password"],
        )
        self.send_host = Host(
            self.res.vn1_vm1_fixture.local_ip,
            self.res.vn1_vm1_fixture.vm_username,
            self.res.vn1_vm1_fixture.vm_password,
        )
        self.recv_host = Host(
            self.res.vn2_vm2_fixture.local_ip,
            self.res.vn2_vm2_fixture.vm_username,
            self.res.vn2_vm2_fixture.vm_password,
        )
        # Create traffic stream
        start_time = self.analytics_obj.getstarttime(self.tx_vm_node_ip)
        self.logger.info("start time= %s" % (start_time))
        for i in range(10):
            count = 100
            dport = 9000
            count = count * (i + 1)
            dport = dport + i
            print "count=%s" % (count)
            print "dport=%s" % (dport)

            self.logger.info("Creating streams...")
            stream = Stream(
                protocol="ip",
                proto="udp",
                src=self.res.vn1_vm1_fixture.vm_ip,
                dst=self.res.vn2_vm2_fixture.vm_ip,
                dport=dport,
            )

            profile = StandardProfile(stream=stream, size=100, count=count, listener=self.res.vn2_vm2_fixture.vm_ip)
            sender = Sender("sendudp", profile, self.tx_local_host, self.send_host, self.inputs.logger)
            receiver = Receiver("recvudp", profile, self.rx_local_host, self.recv_host, self.inputs.logger)
            receiver.start()
            sender.start()
            sender.stop()
            receiver.stop()
#.........这里部分代码省略.........

# 需要导入模块: from traffic.core.helpers import Sender [as 别名]
# 或者: from traffic.core.helpers.Sender import start [as 别名]
    def test_verify_flow_series_table_query_range(self):
        """ Test to validate flow series table for query range

        """
        # installing traffic package in vm
        self.res.vn1_vm1_fixture.install_pkg("Traffic")
        self.res.vn1_vm2_fixture.install_pkg("Traffic")

        self.tx_vm_node_ip = self.res.vn1_vm1_fixture.vm_node_ip
        self.rx_vm_node_ip = self.res.vn1_vm2_fixture.vm_node_ip
        self.tx_local_host = Host(
            self.tx_vm_node_ip,
            self.inputs.host_data[self.tx_vm_node_ip]["username"],
            self.inputs.host_data[self.tx_vm_node_ip]["password"],
        )
        self.rx_local_host = Host(
            self.rx_vm_node_ip,
            self.inputs.host_data[self.rx_vm_node_ip]["username"],
            self.inputs.host_data[self.rx_vm_node_ip]["password"],
        )

        self.send_host = Host(
            self.res.vn1_vm1_fixture.local_ip,
            self.res.vn1_vm1_fixture.vm_username,
            self.res.vn1_vm1_fixture.vm_password,
        )
        self.recv_host = Host(
            self.res.vn1_vm2_fixture.local_ip,
            self.res.vn1_vm2_fixture.vm_username,
            self.res.vn1_vm2_fixture.vm_password,
        )

        # Create traffic stream
        start_time = self.analytics_obj.getstarttime(self.tx_vm_node_ip)
        self.logger.info("start time= %s" % (start_time))
        self.logger.info("Creating streams...")
        dport = 11000
        stream = Stream(
            protocol="ip",
            proto="udp",
            src=self.res.vn1_vm1_fixture.vm_ip,
            dst=self.res.vn1_vm2_fixture.vm_ip,
            dport=dport,
        )

        startport = 10000
        profile = ContinuousSportRange(
            stream=stream, listener=self.res.vn1_vm2_fixture.vm_ip, startport=10000, endport=dport, pps=100
        )
        sender = Sender("sname", profile, self.tx_local_host, self.send_host, self.inputs.logger)
        receiver = Receiver("rname", profile, self.rx_local_host, self.recv_host, self.inputs.logger)
        receiver.start()
        sender.start()
        time.sleep(30)
        sender.stop()
        receiver.stop()
        print sender.sent, receiver.recv
        time.sleep(1)

        vm_node_ip = self.res.vn1_vm1_fixture.inputs.host_data[
            self.res.vn1_vm1_fixture.orch.get_host_of_vm(self.res.vn1_vm1_fixture.vm_obj)
        ]["host_ip"]
        vm_host = self.res.vn1_vm1_fixture.inputs.host_data[vm_node_ip]["name"]
        time.sleep(30)
        # Verifying flow series table
        src_vn = "default-domain" + ":" + self.inputs.project_name + ":" + self.res.vn1_name
        dst_vn = "default-domain" + ":" + self.inputs.project_name + ":" + self.res.vn1_name
        # creating query: '(sourcevn=default-domain:admin:vn1) AND
        # (destvn=default-domain:admin:vn2)'
        query = "(sourcevn=%s) AND (destvn=%s) AND protocol= 17 AND (sport = 10500 < 11000)" % (src_vn, dst_vn)
        for ip in self.inputs.collector_ips:
            self.logger.info("setup_time= %s" % (start_time))
            # Quering flow sreies table

            self.logger.info("Verifying flowSeriesTable through opserver %s" % (ip))
            self.res1 = self.analytics_obj.ops_inspect[ip].post_query(
                "FlowSeriesTable",
                start_time=start_time,
                end_time="now",
                select_fields=["sourcevn", "sourceip", "destvn", "destip", "sum(packets)", "sport", "dport", "T=1"],
                where_clause=query,
            )
            assert self.res1
            for elem in self.res1:
                if (elem["sport"] < 10500) or (elem["sport"] > 11000):
                    self.logger.warn("Out of range element (range:sport > 15500 and sport < 16000):%s" % (elem))
                    self.logger.warn("Test Failed")
                    result = False
                    assert result
        return True