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"""Test Flow serializer for OF 1.0 methods.""" |
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from unittest import TestCase |
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from unittest.mock import MagicMock, patch |
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from napps.kytos.flow_manager.serializers.v0x04 import FlowSerializer13 |
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# pylint: disable=protected-access, unused-argument, no-member |
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class TestFlowSerializer13(TestCase): |
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"""Test the FlowSerializer13 class.""" |
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def setUp(self): |
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"""Execute steps before each tests.""" |
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self.napp = FlowSerializer13() |
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@patch('napps.kytos.flow_manager.serializers.v0x04.ActionOutput') |
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@patch('napps.kytos.flow_manager.serializers.v0x04.OxmTLV') |
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@patch('napps.kytos.flow_manager.serializers.v0x04.InstructionApplyAction') |
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@patch('napps.kytos.flow_manager.serializers.v0x04.FlowMod') |
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def test_from_dict(self, *args): |
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"""Test from_dict method.""" |
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(mock_flow_mod, mock_instruction, _, _) = args |
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flow_mod = MagicMock() |
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flow_mod.instructions = [] |
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flow_mod.match.oxm_match_fields = [] |
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instruction = MagicMock() |
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instruction.actions = [] |
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mock_flow_mod.return_value = flow_mod |
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mock_instruction.return_value = instruction |
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self.napp.flow_attributes = {'flow_attr'} |
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self.napp._match_names = {'match_attr': 123} |
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dictionary = {'flow_attr': 'any_data', |
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'match': {'match_attr': 123}, |
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'actions': [{'action_type': 'output', |
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'port': 'controller'}]} |
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return_flow_mod = self.napp.from_dict(dictionary) |
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self.assertEqual(return_flow_mod.flow_attr, 'any_data') |
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self.assertEqual(len(return_flow_mod.match.oxm_match_fields), 1) |
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self.assertEqual(len(return_flow_mod.instructions), 1) |
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self.assertEqual(len(return_flow_mod.instructions[0].actions), 1) |
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@patch('napps.kytos.flow_manager.serializers.v0x04.IPAddress') |
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@patch('napps.kytos.flow_manager.serializers.v0x04.HWAddress') |
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@patch('napps.kytos.flow_manager.serializers.v0x04.OxmTLV') |
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def test_match_from_dict(self, *args): |
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"""Test _match_from_dict method.""" |
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(_, mock_hw_address, mock_ip_address) = args |
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hw_address = MagicMock() |
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hw_address.pack.return_value = 'hw_address' |
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mock_hw_address.return_value = hw_address |
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ip_address = MagicMock() |
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ip_address.pack.return_value = 'ip_address' |
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mock_ip_address.return_value = ip_address |
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dictionary = {'dl_vlan_pcp': 0, 'nw_proto': 1, 'dl_vlan': 2, |
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'dl_src': 3, 'dl_dst': 4, 'nw_src': 5, 'nw_dst': 6, |
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'in_port': 7, 'dl_type': 8} |
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tlv_generator = self.napp._match_from_dict(dictionary) |
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self.assertEqual(next(tlv_generator).oxm_value, b'\x00') |
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self.assertEqual(next(tlv_generator).oxm_value, b'\x01') |
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self.assertEqual(next(tlv_generator).oxm_value, b'\x10\x02') |
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self.assertEqual(next(tlv_generator).oxm_value, 'hw_address') |
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self.assertEqual(next(tlv_generator).oxm_value, 'hw_address') |
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self.assertEqual(next(tlv_generator).oxm_value, 'ip_address') |
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self.assertEqual(next(tlv_generator).oxm_value, 'ip_address') |
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self.assertEqual(next(tlv_generator).oxm_value, b'\x00\x00\x00\x07') |
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self.assertEqual(next(tlv_generator).oxm_value, b'\x00\x08') |
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@patch('napps.kytos.flow_manager.serializers.v0x04.ActionOutput') |
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def test_actions_from_list(self, mock_action_output): |
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"""Test _actions_from_list method.""" |
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actions = [{'action_type': 'output', 'port': 'controller'}] |
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generator = self.napp._actions_from_list(actions) |
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return_action = next(generator) |
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self.assertEqual(return_action, mock_action_output.return_value) |
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@patch('napps.kytos.flow_manager.serializers.v0x04.ActionPopVLAN', |
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return_value='action_pop_vlan') |
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@patch('napps.kytos.flow_manager.serializers.v0x04.ActionPush', |
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return_value='action_push') |
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@patch('napps.kytos.flow_manager.serializers.v0x04.ActionOutput', |
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return_value='action_output') |
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@patch('napps.kytos.flow_manager.serializers.v0x04.ActionSetField', |
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return_value='action_set_field') |
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@patch('napps.kytos.flow_manager.serializers.v0x04.OxmTLV') |
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def test_action_from_dict(self, *args): |
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"""Test _action_from_dict method.""" |
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(mock_oxm_tlv, mock_action_set_field, mock_action_output, |
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mock_action_push, _) = args |
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oxm_tlv = MagicMock() |
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mock_oxm_tlv.return_value = oxm_tlv |
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action_1 = {'action_type': 'set_vlan', 'vlan_id': 123} |
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return_1 = self.napp._action_from_dict(action_1) |
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mock_action_set_field.assert_called_with(field=oxm_tlv) |
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self.assertEqual(return_1, 'action_set_field') |
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action_2 = {'action_type': 'output', 'port': 'controller'} |
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return_2 = self.napp._action_from_dict(action_2) |
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mock_action_output.assert_called_with(port=0xfffffffd) |
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self.assertEqual(return_2, 'action_output') |
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action_3 = {'action_type': 'output', 'port': 'any'} |
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return_3 = self.napp._action_from_dict(action_3) |
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mock_action_output.assert_called_with(port='any') |
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self.assertEqual(return_3, 'action_output') |
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action_4 = {'action_type': 'push_vlan', 'tag_type': 's'} |
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return_4 = self.napp._action_from_dict(action_4) |
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mock_action_push.assert_called_with(action_type=17, ethertype=0x88a8) |
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self.assertEqual(return_4, 'action_push') |
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action_5 = {'action_type': 'push_vlan', 'tag_type': 'c'} |
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return_5 = self.napp._action_from_dict(action_5) |
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mock_action_push.assert_called_with(action_type=17, ethertype=0x8100) |
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self.assertEqual(return_5, 'action_push') |
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action_6 = {'action_type': 'pop_vlan'} |
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return_6 = self.napp._action_from_dict(action_6) |
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self.assertEqual(return_6, 'action_pop_vlan') |
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@patch('napps.kytos.flow_manager.serializers.v0x04.OxmTLV') |
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def test_create_vlan_tlv(self, mock_oxm_tlv): |
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"""Test _create_vlan_tlv method.""" |
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tlv = self.napp._create_vlan_tlv(1) |
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self.assertEqual(tlv.oxm_field, 6) |
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self.assertEqual(tlv.oxm_value, b'\x10\x01') |
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@patch('napps.kytos.flow_manager.serializers.v0x04.FlowSerializer13.' |
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'_actions_to_list', return_value='actions_to_list') |
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@patch('napps.kytos.flow_manager.serializers.v0x04.FlowSerializer13.' |
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'_match_to_dict', return_value='match_to_dict') |
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def test_to_dict(self, *args): |
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"""Test to_dict method.""" |
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(_, _) = args |
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flow_stats = MagicMock() |
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flow_stats.flow_attr = MagicMock() |
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self.napp.flow_attributes = {'flow_attr'} |
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flow_dict = self.napp.to_dict(flow_stats) |
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expected = {'flow_attr': flow_stats.flow_attr.value, |
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'match': 'match_to_dict', |
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'actions': 'actions_to_list'} |
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self.assertEqual(flow_dict, expected) |
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@patch('napps.kytos.flow_manager.serializers.v0x04.HWAddress') |
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@patch('napps.kytos.flow_manager.serializers.v0x04.IPAddress') |
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def test_match_to_dict(self, *args): |
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"""Test _match_to_dict method.""" |
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(mock_ip_address, mock_hw_address) = args |
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ip_address = MagicMock() |
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hw_address = MagicMock() |
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mock_ip_address.return_value = ip_address |
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mock_hw_address.return_value = hw_address |
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flow_stats = MagicMock() |
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flow_stats.match.oxm_match_fields = [] |
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for oxm_field in [0, 6, 4, 3, 11, 12]: |
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field = MagicMock() |
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field.oxm_field = oxm_field |
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flow_stats.match.oxm_match_fields.append(field) |
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match_dict = self.napp._match_to_dict(flow_stats) |
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expected = {'in_port': 0, 'dl_vlan': 0, 'dl_src': str(hw_address), |
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'dl_dst': str(hw_address), 'nw_src': str(ip_address), |
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'nw_dst': str(ip_address)} |
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self.assertEqual(match_dict, expected) |
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@patch('napps.kytos.flow_manager.serializers.v0x04.FlowSerializer13.' |
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'_filter_actions') |
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def test_actions_to_list(self, mock_filter_actions): |
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"""Test _actions_to_list method.""" |
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flow_stats = MagicMock() |
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action = MagicMock() |
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action.action_type = 0 |
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action.port = 0xfffffffd |
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mock_filter_actions.return_value = [action] |
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actions_list = self.napp._actions_to_list(flow_stats) |
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expected = [{'action_type': 'output', 'port': 'controller'}] |
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self.assertEqual(actions_list, expected) |
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def test_action_to_dict(self): |
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"""Test _action_to_dict method.""" |
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action_1 = MagicMock() |
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action_1.action_type = 25 |
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action_1.field.oxm_field = 6 |
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action_1.field.oxm_value = b'\x01' |
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return_1 = self.napp._action_to_dict(action_1) |
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expected = {'action_type': 'set_vlan', 'vlan_id': 1} |
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self.assertEqual(return_1, expected) |
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action_2 = MagicMock() |
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action_2.action_type = 0 |
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action_2.port = 0xfffffffd |
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return_2 = self.napp._action_to_dict(action_2) |
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expected = {'action_type': 'output', 'port': 'controller'} |
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self.assertEqual(return_2, expected) |
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action_3 = MagicMock() |
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action_3.action_type = 0 |
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action_3.port.value = 'any' |
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return_3 = self.napp._action_to_dict(action_3) |
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expected = {'action_type': 'output', 'port': 'any'} |
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self.assertEqual(return_3, expected) |
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action_4 = MagicMock() |
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action_4.action_type = 17 |
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action_4.ethertype = 0x88a8 |
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return_4 = self.napp._action_to_dict(action_4) |
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expected = {'action_type': 'push_vlan', 'tag_type': 's'} |
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self.assertEqual(return_4, expected) |
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action_5 = MagicMock() |
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action_5.action_type = 17 |
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action_5.ethertype = 'any' |
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return_5 = self.napp._action_to_dict(action_5) |
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expected = {'action_type': 'push_vlan', 'tag_type': 'c'} |
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self.assertEqual(return_5, expected) |
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action_6 = MagicMock() |
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action_6.action_type = 18 |
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return_6 = self.napp._action_to_dict(action_6) |
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expected = {'action_type': 'pop_vlan'} |
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self.assertEqual(return_6, expected) |
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action_7 = MagicMock() |
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action_7.action_type = 'any' |
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return_7 = self.napp._action_to_dict(action_7) |
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self.assertEqual(return_7, {}) |
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def test_filter_actions(self): |
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"""Test _filter_actions method.""" |
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action = MagicMock() |
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action.action_type = 0 |
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action.port = 0xfffffffd |
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instruction = MagicMock() |
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instruction.instruction_type = 4 |
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instruction.actions = [action] |
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flow_stats = MagicMock() |
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flow_stats.instructions = [instruction] |
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action_list = self.napp._filter_actions(flow_stats) |
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self.assertEqual(list(action_list), instruction.actions) |
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kytos /
flow_manager
