build.tests.unit.test_main

Complexity

Total Complexity

100

Size/Duplication

Total Lines	2940
Duplicated Lines	17.07 %

Test Coverage

Coverage

93.35%

Importance

Changes

0

86 Methods

Rating	Name	Duplication	Size	Complexity
A	TestMain.setup_method()	0	18	2
A	TestMain.test_get_event_listeners()	0	12	2
A	TestMain.test_execute()	0	19	1
A	TestMain.test_evc_from_dict_paths()	0	49	1
B	TestMain._add_mongodb_schedule_data()	0	52	1
B	TestMain.test_update_circuit_invalid_json()	72	72	1
A	TestMain.test_list_no_circuits_stored()	0	9	1
A	TestMain.test_execute_swap_to_failover_exception()	42	42	1
A	TestMain.test_execute_undeploy_exception()	0	47	1
B	TestMain.test_create_schedule()	0	57	1
A	TestMain.test_execute_undeploy()	0	50	1
A	TestMain.test_circuit_with_invalid_id()	0	7	1
A	TestMain._uni_from_dict_side_effect()	0	5	1
A	TestMain.test_delete_circuit()	0	24	1
B	TestMain.test_create_a_circuit_case_5()	102	102	1
B	TestMain.test_handle_link_down()	0	94	1
B	TestMain.test_update_schedule()	0	64	1
A	TestMain.test_circuit_with_valid_id()	0	9	1
A	TestMain.test_execute_consistency_wait_for()	0	33	1
A	TestMain.test_execute_swap_to_failover()	41	41	1
A	TestMain.test_update_no_schedule()	0	13	1
A	TestMain.test_get_specific_schedules_from_mongodb_not_found()	0	13	1
A	TestMain.test_create_a_circuit_case_4()	0	37	1
B	TestMain.test_delete_archived_evc()	0	82	1
B	TestMain.test_delete_schedule()	0	55	1
B	TestMain.test_update_circuit()	0	135	1
A	TestMain.test_list_schedules_from_mongodb()	0	52	1
B	TestMain.test_create_circuit_already_enabled()	0	69	1
A	TestMain.test_uni_from_dict_non_existent_intf()	0	8	2
B	TestMain.test_create_a_circuit_case_1()	0	99	1
A	TestMain.test_create_a_circuit_case_3()	0	13	1
B	TestMain.test_create_a_circuit_case_6()	103	103	1
A	TestMain.test_link_from_dict_non_existent_intf()	0	9	2
A	TestMain.test_list_with_archived_circuits_all()	0	14	1
B	TestMain.test_execute_consistency()	0	78	2
A	TestMain.test_list_without_circuits()	0	8	1
A	TestMain.test_list_schedules__no_data_stored()	0	9	1
B	TestMain.test_update_circuit_invalid_path()	0	84	1
A	TestMain.test_create_circuit_case_5()	0	38	1
A	TestMain.test_create_circuit_case_6()	0	17	1
A	TestMain.test_handle_link_up()	0	15	1
A	TestMain.test_redeploy_evc_deleted()	0	8	1
A	TestMain.test_create_a_circuit_invalid_queue_id()	0	23	1
A	TestMain.test_execute_clear_failover_exception()	0	42	1
A	TestMain.test_get_specific_schedule_from_mongodb()	0	23	1
A	TestMain.test_delete_schedule_not_found()	0	7	1
A	TestMain.test_delete_no_evc()	0	8	1
A	TestMain.test_list_with_circuits_stored()	14	14	1
A	TestMain.test_evc_from_dict()	0	33	1
A	TestMain.test_execute_clear_failover()	0	45	1
A	TestMain.test_list_with_archived_circuits_archived()	17	17	1
B	TestMain.test_get_evcs_by_svc_level()	0	27	5
A	TestMain.test_redeploy_evc_disabled()	0	10	1
A	TestMain.test_evc_from_dict_links()	0	53	1
B	TestMain.test_update_evc_no_json_mime()	65	65	1
A	TestMain.test_create_a_circuit_case_2()	0	9	1
A	TestMain.test_get_circuit_not_found()	0	6	1
A	TestMain.test_link_from_dict_vlan_metadata()	0	19	1
A	TestMain.test_redeploy_evc()	0	25	1
A	TestMain.test_create_schedule_invalid_request()	0	47	1
A	TestMain.test_get_metadata()	0	12	1
A	TestMain.test_uni_from_dict()	0	32	2
A	TestMain.test_check_no_tag_duplication()	0	23	1
A	TestMain.test_add_metadata_malformed_json()	0	12	1
A	TestMain.test_prepare_undeploy_flow()	0	11	1
A	TestMain.test_add_bulk_metadata_no_circuits()	0	14	1
A	TestMain.test_delete_metadata()	0	11	1
A	TestMain.test_delete_bulk_metadata_error()	0	14	1
B	TestMain.test_handle_on_interface_link_change()	0	61	2
A	TestMain.test_add_bulk_metadata_no_id()	0	14	1
A	TestMain.test_add_metadata_no_body()	0	9	1
A	TestMain.test_add_bulk_metadata()	24	24	1
A	TestMain.test_add_metadata()	0	16	1
A	TestMain.test_add_metadata_no_evc()	0	11	1
A	TestMain.test_handle_evc_deployed()	0	42	1
A	TestMain.test_add_bulk_metadata_empty_list()	0	17	1
A	TestMain.test_add_metadata_wrong_content_type()	0	11	1
A	TestMain.test_handle_flow_mod_error_return()	0	33	1
A	TestMain.test_delete_bulk_metadata()	22	22	1
A	TestMain.test_load_all_evcs()	0	21	1
A	TestMain.test_use_uni_tags()	0	22	3
A	TestMain.test_handle_flow_mod_error()	0	13	1
A	TestMain.test_load_evc()	0	29	1
A	TestMain.test_delete_metadata_no_evc()	0	8	1
B	TestMain.test_handle_evc_affected_by_link_down()	0	59	1
A	TestMain.test_handle_flow_delete()	0	11	1

"""Module to test the main napp file."""
import asyncio
from unittest.mock import (AsyncMock, MagicMock, Mock, call,
                           create_autospec, patch)

import pytest
from kytos.lib.helpers import get_controller_mock, get_test_client
from kytos.core.helpers import now
from kytos.core.common import EntityStatus
from kytos.core.events import KytosEvent
from kytos.core.exceptions import KytosTagError
from kytos.core.interface import TAGRange, UNI, Interface
from napps.kytos.mef_eline.exceptions import FlowModException, InvalidPath
from napps.kytos.mef_eline.models import EVC, Path
from napps.kytos.mef_eline.tests.helpers import get_uni_mocked


async def test_on_table_enabled():
    """Test on_table_enabled"""
    # pylint: disable=import-outside-toplevel
    from napps.kytos.mef_eline.main import Main
    controller = get_controller_mock()
    controller.buffers.app.aput = AsyncMock()
    Main.get_eline_controller = MagicMock()
    napp = Main(controller)

    # Succesfully setting table groups
    content = {"mef_eline": {"epl": 2}}
    event = KytosEvent(name="kytos/of_multi_table.enable_table",
                       content=content)
    await napp.on_table_enabled(event)
    assert napp.table_group["epl"] == 2
    assert napp.table_group["evpl"] == 0
    assert controller.buffers.app.aput.call_count == 1

    # Failure at setting table groups
    content = {"mef_eline": {"unknown": 123}}
    event = KytosEvent(name="kytos/of_multi_table.enable_table",
                       content=content)
    await napp.on_table_enabled(event)
    assert controller.buffers.app.aput.call_count == 1

    # Failure with early return
    content = {}
    event = KytosEvent(name="kytos/of_multi_table.enable_table",
                       content=content)
    await napp.on_table_enabled(event)
    assert controller.buffers.app.aput.call_count == 1


# pylint: disable=too-many-public-methods, too-many-lines
# pylint: disable=too-many-arguments,too-many-locals
class TestMain:
    """Test the Main class."""

    def setup_method(self):
        """Execute steps before each tests.

        Set the server_name_url_url from kytos/mef_eline
        """

        # The decorator run_on_thread is patched, so methods that listen
        # for events do not run on threads while tested.
        # Decorators have to be patched before the methods that are
        # decorated with them are imported.
        patch("kytos.core.helpers.run_on_thread", lambda x: x).start()
        # pylint: disable=import-outside-toplevel
        from napps.kytos.mef_eline.main import Main
        Main.get_eline_controller = MagicMock()
        controller = get_controller_mock()
        self.napp = Main(controller)
        self.api_client = get_test_client(controller, self.napp)
        self.base_endpoint = "kytos/mef_eline"

    def test_get_event_listeners(self):
        """Verify all event listeners registered."""
        expected_events = [
            "kytos/core.shutdown",
            "kytos/core.shutdown.kytos/mef_eline",
            "kytos/topology.link_up",
            "kytos/topology.link_down",
        ]
        actual_events = self.napp.listeners()

        for _event in expected_events:
            assert _event in actual_events, _event

    @patch('napps.kytos.mef_eline.main.log')
    @patch('napps.kytos.mef_eline.main.Main.execute_consistency')
    def test_execute(self, mock_execute_consistency, mock_log):
        """Test execute."""
        self.napp.execution_rounds = 0
        self.napp.execute()
        mock_execute_consistency.assert_called()
        assert mock_log.debug.call_count == 2

        # Test locked should return
        mock_execute_consistency.call_count = 0
        mock_log.info.call_count = 0
        # pylint: disable=protected-access
        self.napp._lock = MagicMock()
        self.napp._lock.locked.return_value = True
        # pylint: enable=protected-access
        self.napp.execute()
        mock_execute_consistency.assert_not_called()
        mock_log.info.assert_not_called()

    @patch("napps.kytos.mef_eline.main.map_evc_event_content")
    @patch("napps.kytos.mef_eline.main.emit_event")
    @patch('napps.kytos.mef_eline.main.settings')
    @patch("napps.kytos.mef_eline.controllers.ELineController.upsert_evc")
    @patch("napps.kytos.mef_eline.models.evc.EVCDeploy.check_list_traces")
    def test_execute_consistency(self, mock_check_list_traces, *args):
        """Test execute_consistency."""
        (
            mongo_controller_upsert_mock,
            mock_settings,
            mock_emit_event,
            mock_map_evc,
        ) = args

        mock_map_evc.side_effect = lambda x: x

        stored_circuits = {'1': {'name': 'circuit_1'},
                           '2': {'name': 'circuit_2'},
                           '3': {'name': 'circuit_3'}}
        mongo_controller_upsert_mock.return_value = True
        self.napp.mongo_controller.get_circuits.return_value = {
            "circuits": stored_circuits
        }

        mock_settings.WAIT_FOR_OLD_PATH = -1

        evc1 = MagicMock(id=1, service_level=0, creation_time=1)
        evc1.is_enabled.return_value = True
        evc1.is_active.return_value = False
        evc1.lock.locked.return_value = False
        evc1.has_recent_removed_flow.return_value = False
        evc1.is_recent_updated.return_value = False
        evc1.execution_rounds = 0

        evc2 = MagicMock(id=2, service_level=7, creation_time=1)
        evc2.is_enabled.return_value = True
        evc2.is_active.return_value = False
        evc2.lock.locked.return_value = False
        evc2.has_recent_removed_flow.return_value = False
        evc2.is_recent_updated.return_value = False
        evc2.execution_rounds = 0

        evc3 = MagicMock(id=3, service_level=0, creation_time=1)
        evc3.is_enabled.return_value = True
        evc3.is_active.return_value = True
        evc3.lock.locked.return_value = False
        evc3.has_recent_removed_flow.return_value = False
        evc3.is_recent_updated.return_value = False
        evc3.execution_rounds = 0
        evc3.is_eligible_for_failover_path.return_value = True
        evc3.failover_path = Path([])

        self.napp.circuits = {
            '1': evc1,
            '2': evc2,
            '3': evc3,
        }
        assert self.napp.get_evcs_by_svc_level() == [
            evc2,
            evc1,
            evc3
        ]

        mock_check_list_traces.return_value = {
            1: True,
            2: False,
            3: True,
        }

        self.napp.execute_consistency()
        assert evc1.activate.call_count == 1
        assert evc1.sync.call_count == 1
        assert evc2.deploy.call_count == 1

        mock_emit_event.assert_called_once_with(
            self.napp.controller,
            "need_failover",
            content=evc3
        )

    @patch('napps.kytos.mef_eline.main.settings')
    @patch('napps.kytos.mef_eline.main.Main._load_evc')
    @patch("napps.kytos.mef_eline.controllers.ELineController.upsert_evc")
    @patch("napps.kytos.mef_eline.models.evc.EVCDeploy.check_list_traces")
    def test_execute_consistency_wait_for(self, mock_check_list_traces, *args):
        """Test execute and wait for setting."""
        (mongo_controller_upsert_mock, _, mock_settings) = args

        stored_circuits = {'1': {'name': 'circuit_1'}}
        mongo_controller_upsert_mock.return_value = True
        self.napp.mongo_controller.get_circuits.return_value = {
            "circuits": stored_circuits
        }

        mock_settings.WAIT_FOR_OLD_PATH = -1
        evc1 = MagicMock(id=1, service_level=0, creation_time=1)
        evc1.is_enabled.return_value = True
        evc1.is_active.return_value = False
        evc1.lock.locked.return_value = False
        evc1.has_recent_removed_flow.return_value = False
        evc1.is_recent_updated.return_value = False
        evc1.execution_rounds = 0
        evc1.deploy.call_count = 0
        self.napp.circuits = {'1': evc1}
        assert self.napp.get_evcs_by_svc_level() == [evc1]
        mock_settings.WAIT_FOR_OLD_PATH = 1

        mock_check_list_traces.return_value = {1: False}

        self.napp.execute_consistency()
        assert evc1.deploy.call_count == 0
        self.napp.execute_consistency()
        assert evc1.deploy.call_count == 1

    @patch('napps.kytos.mef_eline.main.Main._uni_from_dict')
    @patch('napps.kytos.mef_eline.models.evc.EVCBase._validate')
    def test_evc_from_dict(self, _validate_mock, uni_from_dict_mock):
        """
        Test the helper method that create an EVN from dict.

        Verify object creation with circuit data and schedule data.
        """
        _validate_mock.return_value = True
        uni_from_dict_mock.side_effect = ["uni_a", "uni_z"]
        payload = {
            "name": "my evc1",
            "uni_a": {
                "interface_id": "00:00:00:00:00:00:00:01:1",
                "tag": {"tag_type": 'vlan', "value": 80},
            },
            "uni_z": {
                "interface_id": "00:00:00:00:00:00:00:02:2",
                "tag": {"tag_type": 'vlan', "value": 1},
            },
            "circuit_scheduler": [
                {"frequency": "* * * * *", "action": "create"}
            ],
            "queue_id": 5,
        }
        # pylint: disable=protected-access
        evc_response = self.napp._evc_from_dict(payload)
        assert evc_response is not None
        assert evc_response.uni_a is not None
        assert evc_response.uni_z is not None
        assert evc_response.circuit_scheduler is not None
        assert evc_response.name is not None
        assert evc_response.queue_id is not None

    @patch("napps.kytos.mef_eline.main.Main._uni_from_dict")
    @patch("napps.kytos.mef_eline.models.evc.EVCBase._validate")
    @patch("kytos.core.Controller.get_interface_by_id")
    def test_evc_from_dict_paths(
        self, _get_interface_by_id_mock, _validate_mock, uni_from_dict_mock
    ):
        """
        Test the helper method that create an EVN from dict.

        Verify object creation with circuit data and schedule data.
        """

        _get_interface_by_id_mock.return_value = get_uni_mocked().interface
        _validate_mock.return_value = True
        uni_from_dict_mock.side_effect = ["uni_a", "uni_z"]
        payload = {
            "name": "my evc1",
            "uni_a": {
                "interface_id": "00:00:00:00:00:00:00:01:1",
                "tag": {"tag_type": 'vlan', "value": 80},
            },
            "uni_z": {
                "interface_id": "00:00:00:00:00:00:00:02:2",
                "tag": {"tag_type": 'vlan', "value": 1},
            },
            "current_path": [],
            "primary_path": [
                {
                    "endpoint_a": {
                        "interface_id": "00:00:00:00:00:00:00:01:1"
                    },
                    "endpoint_b": {
                        "interface_id": "00:00:00:00:00:00:00:02:2"
                    },
                }
            ],
            "backup_path": [],
        }

        # pylint: disable=protected-access
        evc_response = self.napp._evc_from_dict(payload)
        assert evc_response is not None
        assert evc_response.uni_a is not None
        assert evc_response.uni_z is not None
        assert evc_response.circuit_scheduler is not None
        assert evc_response.name is not None
        assert len(evc_response.current_path) == 0
        assert len(evc_response.backup_path) == 0
        assert len(evc_response.primary_path) == 1

    @patch("napps.kytos.mef_eline.main.Main._uni_from_dict")
    @patch("napps.kytos.mef_eline.models.evc.EVCBase._validate")
    @patch("kytos.core.Controller.get_interface_by_id")
    def test_evc_from_dict_links(
        self, _get_interface_by_id_mock, _validate_mock, uni_from_dict_mock
    ):
        """
        Test the helper method that create an EVN from dict.

        Verify object creation with circuit data and schedule data.
        """
        _get_interface_by_id_mock.return_value = get_uni_mocked().interface
        _validate_mock.return_value = True
        uni_from_dict_mock.side_effect = ["uni_a", "uni_z"]
        payload = {
            "name": "my evc1",
            "uni_a": {
                "interface_id": "00:00:00:00:00:00:00:01:1",
                "tag": {"tag_type": 'vlan', "value": 80},
            },
            "uni_z": {
                "interface_id": "00:00:00:00:00:00:00:02:2",
                "tag": {"tag_type": 'vlan', "value": 1},
            },
            "primary_links": [
                {
                    "endpoint_a": {
                        "interface_id": "00:00:00:00:00:00:00:01:1"
                    },
                    "endpoint_b": {
                        "interface_id": "00:00:00:00:00:00:00:02:2"
                    },
                    "metadata": {
                        "s_vlan": {
                            "tag_type": 'vlan',
                            "value": 100
                        }
                    },
                }
            ],
            "backup_links": [],
        }

        # pylint: disable=protected-access
        evc_response = self.napp._evc_from_dict(payload)
        assert evc_response is not None
        assert evc_response.uni_a is not None
        assert evc_response.uni_z is not None
        assert evc_response.circuit_scheduler is not None
        assert evc_response.name is not None
        assert len(evc_response.current_links_cache) == 0
        assert len(evc_response.backup_links) == 0
        assert len(evc_response.primary_links) == 1

    async def test_list_without_circuits(self):
        """Test if list circuits return 'no circuit stored.'."""
        circuits = {"circuits": {}}
        self.napp.mongo_controller.get_circuits.return_value = circuits
        url = f"{self.base_endpoint}/v2/evc/"
        response = await self.api_client.get(url)
        assert response.status_code == 200, response.data
        assert not response.json()

    async def test_list_no_circuits_stored(self):
        """Test if list circuits return all circuits stored."""
        circuits = {"circuits": {}}
        self.napp.mongo_controller.get_circuits.return_value = circuits

        url = f"{self.base_endpoint}/v2/evc/"
        response = await self.api_client.get(url)
        expected_result = circuits["circuits"]
        assert response.json() == expected_result

    async def test_list_with_circuits_stored(self):

This code seems to be duplicated in your project.

        """Test if list circuits return all circuits stored."""
        circuits = {
            'circuits':
            {"1": {"name": "circuit_1"}, "2": {"name": "circuit_2"}}
        }
        get_circuits = self.napp.mongo_controller.get_circuits
        get_circuits.return_value = circuits

        url = f"{self.base_endpoint}/v2/evc/"
        response = await self.api_client.get(url)
        expected_result = circuits["circuits"]
        get_circuits.assert_called_with(archived="false", metadata={})
        assert response.json() == expected_result

    async def test_list_with_archived_circuits_archived(self):

This code seems to be duplicated in your project.

        """Test if list circuits only archived circuits."""
        circuits = {
            'circuits':
            {
                "1": {"name": "circuit_1", "archived": True},
            }
        }
        get_circuits = self.napp.mongo_controller.get_circuits
        get_circuits.return_value = circuits

        url = f"{self.base_endpoint}/v2/evc/?archived=true&metadata.a=1"
        response = await self.api_client.get(url)
        get_circuits.assert_called_with(archived="true",
                                        metadata={"metadata.a": "1"})
        expected_result = {"1": circuits["circuits"]["1"]}
        assert response.json() == expected_result

    async def test_list_with_archived_circuits_all(self):
        """Test if list circuits return all circuits."""
        circuits = {
            'circuits': {
                "1": {"name": "circuit_1"},
                "2": {"name": "circuit_2", "archived": True},
            }
        }
        self.napp.mongo_controller.get_circuits.return_value = circuits

        url = f"{self.base_endpoint}/v2/evc/?archived=null"
        response = await self.api_client.get(url)
        expected_result = circuits["circuits"]
        assert response.json() == expected_result

    async def test_circuit_with_valid_id(self):
        """Test if get_circuit return the circuit attributes."""
        circuit = {"name": "circuit_1"}
        self.napp.mongo_controller.get_circuit.return_value = circuit

        url = f"{self.base_endpoint}/v2/evc/1"
        response = await self.api_client.get(url)
        expected_result = circuit
        assert response.json() == expected_result

    async def test_circuit_with_invalid_id(self):
        """Test if get_circuit return invalid circuit_id."""
        self.napp.mongo_controller.get_circuit.return_value = None
        url = f"{self.base_endpoint}/v2/evc/3"
        response = await self.api_client.get(url)
        expected_result = "circuit_id 3 not found"
        assert response.json()["description"] == expected_result

    @patch("napps.kytos.mef_eline.main.Main._check_no_tag_duplication")
    @patch("napps.kytos.mef_eline.models.evc.EVC._tag_lists_equal")
    @patch("napps.kytos.mef_eline.main.Main._use_uni_tags")
    @patch("napps.kytos.mef_eline.models.evc.EVC.deploy")
    @patch("napps.kytos.mef_eline.scheduler.Scheduler.add")
    @patch("napps.kytos.mef_eline.main.Main._uni_from_dict")
    @patch("napps.kytos.mef_eline.controllers.ELineController.upsert_evc")
    @patch("napps.kytos.mef_eline.main.EVC.as_dict")
    @patch("napps.kytos.mef_eline.models.evc.EVC._validate")
    async def test_create_a_circuit_case_1(
        self,
        validate_mock,
        evc_as_dict_mock,
        mongo_controller_upsert_mock,
        uni_from_dict_mock,
        sched_add_mock,
        evc_deploy_mock,
        mock_use_uni_tags,
        mock_tags_equal,
        mock_check_duplicate
    ):
        """Test create a new circuit."""
        # pylint: disable=too-many-locals
        self.napp.controller.loop = asyncio.get_running_loop()
        validate_mock.return_value = True
        mongo_controller_upsert_mock.return_value = True
        evc_deploy_mock.return_value = True
        mock_use_uni_tags.return_value = True
        mock_tags_equal.return_value = True
        mock_check_duplicate.return_value = True
        uni1 = create_autospec(UNI)
        uni2 = create_autospec(UNI)
        uni1.interface = create_autospec(Interface)
        uni2.interface = create_autospec(Interface)
        uni1.interface.switch = "00:00:00:00:00:00:00:01"
        uni2.interface.switch = "00:00:00:00:00:00:00:02"
        uni_from_dict_mock.side_effect = [uni1, uni2]
        evc_as_dict_mock.return_value = {}
        sched_add_mock.return_value = True
        self.napp.mongo_controller.get_circuits.return_value = {}

        url = f"{self.base_endpoint}/v2/evc/"
        payload = {
            "name": "my evc1",
            "frequency": "* * * * *",
            "uni_a": {
                "interface_id": "00:00:00:00:00:00:00:01:1",
                "tag": {"tag_type": 'vlan', "value": 80},
            },
            "uni_z": {
                "interface_id": "00:00:00:00:00:00:00:02:2",
                "tag": {"tag_type": 'vlan', "value": 1},
            },
            "dynamic_backup_path": True,
            "primary_constraints": {
                "spf_max_path_cost": 8,
                "mandatory_metrics": {
                    "ownership": "red"
                }
            },
            "secondary_constraints": {
                "spf_attribute": "priority",
                "mandatory_metrics": {
                    "ownership": "blue"
                }
            }
        }

        response = await self.api_client.post(url, json=payload)
        current_data = response.json()

        # verify expected result from request
        assert 201 == response.status_code
        assert "circuit_id" in current_data

        # verify uni called
        uni_from_dict_mock.called_twice()
        uni_from_dict_mock.assert_any_call(payload["uni_z"])
        uni_from_dict_mock.assert_any_call(payload["uni_a"])

        # verify validation called
        validate_mock.assert_called_once()
        validate_mock.assert_called_with(
            table_group={'evpl': 0, 'epl': 0},
            frequency="* * * * *",
            name="my evc1",
            uni_a=uni1,
            uni_z=uni2,
            dynamic_backup_path=True,
            primary_constraints=payload["primary_constraints"],
            secondary_constraints=payload["secondary_constraints"],
        )
        # verify save method is called
        mongo_controller_upsert_mock.assert_called_once()

        # verify evc as dict is called to save in the box
        evc_as_dict_mock.assert_called()
        # verify add circuit in sched
        sched_add_mock.assert_called_once()

    async def test_create_a_circuit_case_2(self):
        """Test create a new circuit trying to send request without a json."""
        self.napp.controller.loop = asyncio.get_running_loop()
        url = f"{self.base_endpoint}/v2/evc/"

        response = await self.api_client.post(url)
        current_data = response.json()
        assert 400 == response.status_code
        assert "Missing required request body" in current_data["description"]

    async def test_create_a_circuit_case_3(self):
        """Test create a new circuit trying to send request with an
        invalid json."""
        self.napp.controller.loop = asyncio.get_running_loop()
        url = f"{self.base_endpoint}/v2/evc/"

        response = await self.api_client.post(
            url,
            json="This is an {Invalid:} JSON",
        )
        current_data = response.json()
        assert 400 == response.status_code
        assert "This is an {Invalid:" in current_data["description"]

    @patch("napps.kytos.mef_eline.main.Main._uni_from_dict")
    @patch("napps.kytos.mef_eline.controllers.ELineController.upsert_evc")
    async def test_create_a_circuit_case_4(
        self,
        mongo_controller_upsert_mock,
        uni_from_dict_mock
    ):
        """Test create a new circuit trying to send request with an
        invalid value."""
        self.napp.controller.loop = asyncio.get_running_loop()
        # pylint: disable=too-many-locals
        uni_from_dict_mock.side_effect = ValueError("Could not instantiate")
        mongo_controller_upsert_mock.return_value = True
        url = f"{self.base_endpoint}/v2/evc/"

        payload = {
            "name": "my evc1",
            "frequency": "* * * * *",
            "uni_a": {
                "interface_id": "00:00:00:00:00:00:00:01:76",
                "tag": {"tag_type": 'vlan', "value": 80},
            },
            "uni_z": {
                "interface_id": "00:00:00:00:00:00:00:02:2",
                "tag": {"tag_type": 'vlan', "value": 1},
            },
        }

        response = await self.api_client.post(url, json=payload)
        current_data = response.json()
        expected_data = "Error creating UNI: Invalid value"
        assert 400 == response.status_code
        assert current_data["description"] == expected_data

        payload["name"] = 1
        response = await self.api_client.post(url, json=payload)
        assert 400 == response.status_code, response.data

    @patch("napps.kytos.mef_eline.main.Main._check_no_tag_duplication")

This code seems to be duplicated in your project.

    @patch("napps.kytos.mef_eline.models.evc.EVC._tag_lists_equal")
    @patch("napps.kytos.mef_eline.main.Main._use_uni_tags")
    @patch("napps.kytos.mef_eline.models.evc.EVC.deploy")
    @patch("napps.kytos.mef_eline.scheduler.Scheduler.add")
    @patch("napps.kytos.mef_eline.main.Main._uni_from_dict")
    @patch("napps.kytos.mef_eline.controllers.ELineController.upsert_evc")
    @patch("napps.kytos.mef_eline.main.EVC.as_dict")
    @patch("napps.kytos.mef_eline.models.evc.EVC._validate")
    async def test_create_a_circuit_case_5(
        self,
        validate_mock,
        evc_as_dict_mock,
        mongo_controller_upsert_mock,
        uni_from_dict_mock,
        sched_add_mock,
        evc_deploy_mock,
        mock_use_uni_tags,
        mock_tags_equal,
        mock_check_duplicate
    ):
        """Test create a new intra circuit with a disabled switch"""
        # pylint: disable=too-many-locals
        self.napp.controller.loop = asyncio.get_running_loop()
        validate_mock.return_value = True
        mongo_controller_upsert_mock.return_value = True
        evc_deploy_mock.return_value = True
        mock_use_uni_tags.return_value = True
        mock_tags_equal.return_value = True
        mock_check_duplicate.return_value = True
        uni1 = create_autospec(UNI)
        uni2 = create_autospec(UNI)
        uni1.interface = create_autospec(Interface)
        uni2.interface = create_autospec(Interface)
        switch = MagicMock()
        switch.status = EntityStatus.DISABLED
        switch.return_value = "00:00:00:00:00:00:00:01"
        uni1.interface.switch = switch
        uni2.interface.switch = switch
        uni_from_dict_mock.side_effect = [uni1, uni2]
        evc_as_dict_mock.return_value = {}
        sched_add_mock.return_value = True
        self.napp.mongo_controller.get_circuits.return_value = {}

        url = f"{self.base_endpoint}/v2/evc/"
        payload = {
            "name": "my evc1",
            "frequency": "* * * * *",
            "uni_a": {
                "interface_id": "00:00:00:00:00:00:00:01:1",
                "tag": {"tag_type": 'vlan', "value": 80},
            },
            "uni_z": {
                "interface_id": "00:00:00:00:00:00:00:01:2",
                "tag": {"tag_type": 'vlan', "value": 1},
            },
            "dynamic_backup_path": True,
            "primary_constraints": {
                "spf_max_path_cost": 8,
                "mandatory_metrics": {
                    "ownership": "red"
                }
            },
            "secondary_constraints": {
                "spf_attribute": "priority",
                "mandatory_metrics": {
                    "ownership": "blue"
                }
            }
        }

        response = await self.api_client.post(url, json=payload)
        current_data = response.json()

        # verify expected result from request
        assert 201 == response.status_code
        assert "circuit_id" in current_data

        # verify uni called
        uni_from_dict_mock.called_twice()
        uni_from_dict_mock.assert_any_call(payload["uni_z"])
        uni_from_dict_mock.assert_any_call(payload["uni_a"])

        # verify validation called
        validate_mock.assert_called_once()
        validate_mock.assert_called_with(
            table_group={'evpl': 0, 'epl': 0},
            frequency="* * * * *",
            name="my evc1",
            uni_a=uni1,
            uni_z=uni2,
            dynamic_backup_path=True,
            primary_constraints=payload["primary_constraints"],
            secondary_constraints=payload["secondary_constraints"],
        )
        # verify save method is called
        mongo_controller_upsert_mock.assert_called_once()

        # verify evc as dict is called to save in the box
        evc_as_dict_mock.assert_called()
        # verify add circuit in sched
        sched_add_mock.assert_called_once()

    @patch("napps.kytos.mef_eline.main.Main._check_no_tag_duplication")

This code seems to be duplicated in your project.

    @patch("napps.kytos.mef_eline.models.evc.EVC._tag_lists_equal")
    @patch("napps.kytos.mef_eline.main.Main._use_uni_tags")
    @patch("napps.kytos.mef_eline.models.evc.EVC.deploy")
    @patch("napps.kytos.mef_eline.scheduler.Scheduler.add")
    @patch("napps.kytos.mef_eline.main.Main._uni_from_dict")
    @patch("napps.kytos.mef_eline.controllers.ELineController.upsert_evc")
    @patch("napps.kytos.mef_eline.main.EVC.as_dict")
    @patch("napps.kytos.mef_eline.models.evc.EVC._validate")
    async def test_create_a_circuit_case_6(
        self,
        validate_mock,
        evc_as_dict_mock,
        mongo_controller_upsert_mock,
        uni_from_dict_mock,
        sched_add_mock,
        evc_deploy_mock,
        mock_use_uni_tags,
        mock_tags_equal,
        mock_check_duplicate
    ):
        """Test create a new intra circuit with a disabled interface"""
        # pylint: disable=too-many-locals
        self.napp.controller.loop = asyncio.get_running_loop()
        validate_mock.return_value = True
        mongo_controller_upsert_mock.return_value = True
        evc_deploy_mock.return_value = True
        mock_use_uni_tags.return_value = True
        mock_tags_equal.return_value = True
        mock_check_duplicate.return_value = True
        uni1 = create_autospec(UNI)
        uni2 = create_autospec(UNI)
        uni1.interface = create_autospec(Interface)
        uni2.interface = create_autospec(Interface)
        switch = MagicMock()
        switch.status = EntityStatus.UP
        switch.return_value = "00:00:00:00:00:00:00:01"
        uni1.interface.switch = switch
        uni1.interface.status = EntityStatus.DISABLED
        uni2.interface.switch = switch
        uni_from_dict_mock.side_effect = [uni1, uni2]
        evc_as_dict_mock.return_value = {}
        sched_add_mock.return_value = True
        self.napp.mongo_controller.get_circuits.return_value = {}

        url = f"{self.base_endpoint}/v2/evc/"
        payload = {
            "name": "my evc1",
            "frequency": "* * * * *",
            "uni_a": {
                "interface_id": "00:00:00:00:00:00:00:01:1",
                "tag": {"tag_type": 'vlan', "value": 80},
            },
            "uni_z": {
                "interface_id": "00:00:00:00:00:00:00:01:2",
                "tag": {"tag_type": 'vlan', "value": 1},
            },
            "dynamic_backup_path": True,
            "primary_constraints": {
                "spf_max_path_cost": 8,
                "mandatory_metrics": {
                    "ownership": "red"
                }
            },
            "secondary_constraints": {
                "spf_attribute": "priority",
                "mandatory_metrics": {
                    "ownership": "blue"
                }
            }
        }

        response = await self.api_client.post(url, json=payload)
        current_data = response.json()

        # verify expected result from request
        assert 201 == response.status_code
        assert "circuit_id" in current_data

        # verify uni called
        uni_from_dict_mock.called_twice()
        uni_from_dict_mock.assert_any_call(payload["uni_z"])
        uni_from_dict_mock.assert_any_call(payload["uni_a"])

        # verify validation called
        validate_mock.assert_called_once()
        validate_mock.assert_called_with(
            table_group={'evpl': 0, 'epl': 0},
            frequency="* * * * *",
            name="my evc1",
            uni_a=uni1,
            uni_z=uni2,
            dynamic_backup_path=True,
            primary_constraints=payload["primary_constraints"],
            secondary_constraints=payload["secondary_constraints"],
        )
        # verify save method is called
        mongo_controller_upsert_mock.assert_called_once()

        # verify evc as dict is called to save in the box
        evc_as_dict_mock.assert_called()
        # verify add circuit in sched
        sched_add_mock.assert_called_once()

    async def test_create_a_circuit_invalid_queue_id(self):
        """Test create a new circuit with invalid queue_id."""
        self.napp.controller.loop = asyncio.get_running_loop()
        url = f"{self.base_endpoint}/v2/evc/"

        payload = {
            "name": "my evc1",
            "queue_id": 8,
            "uni_a": {
                "interface_id": "00:00:00:00:00:00:00:01:76",
                "tag": {"tag_type": 'vlan', "value": 80},
            },
            "uni_z": {
                "interface_id": "00:00:00:00:00:00:00:02:2",
                "tag": {"tag_type": 'vlan', "value": 1},
            },
        }
        response = await self.api_client.post(url, json=payload)
        current_data = response.json()
        expected_data = "8 is greater than the maximum of 7"

        assert response.status_code == 400
        assert expected_data in current_data["description"]

    @patch("napps.kytos.mef_eline.main.Main._check_no_tag_duplication")
    @patch("napps.kytos.mef_eline.models.evc.EVC._tag_lists_equal")
    @patch("napps.kytos.mef_eline.main.Main._use_uni_tags")
    @patch("napps.kytos.mef_eline.models.evc.EVC.deploy")
    @patch("napps.kytos.mef_eline.scheduler.Scheduler.add")
    @patch("napps.kytos.mef_eline.main.Main._uni_from_dict")
    @patch("napps.kytos.mef_eline.controllers.ELineController.upsert_evc")
    @patch("napps.kytos.mef_eline.models.evc.EVC._validate")
    @patch("napps.kytos.mef_eline.main.EVC.as_dict")
    async def test_create_circuit_already_enabled(
        self,
        evc_as_dict_mock,
        validate_mock,
        mongo_controller_upsert_mock,
        uni_from_dict_mock,
        sched_add_mock,
        evc_deploy_mock,
        mock_use_uni_tags,
        mock_tags_equal,
        mock_check_duplicate
    ):
        """Test create an already created circuit."""
        # pylint: disable=too-many-locals
        self.napp.controller.loop = asyncio.get_running_loop()
        validate_mock.return_value = True
        mongo_controller_upsert_mock.return_value = True
        sched_add_mock.return_value = True
        evc_deploy_mock.return_value = True
        mock_tags_equal.return_value = True
        mock_check_duplicate.return_value = True
        mock_use_uni_tags.side_effect = [
            None, KytosTagError("The EVC already exists.")
        ]
        uni1 = create_autospec(UNI)
        uni2 = create_autospec(UNI)
        uni1.interface = create_autospec(Interface)
        uni2.interface = create_autospec(Interface)
        uni1.interface.switch = "00:00:00:00:00:00:00:01"
        uni2.interface.switch = "00:00:00:00:00:00:00:02"
        uni_from_dict_mock.side_effect = [uni1, uni2, uni1, uni2]

        payload = {
            "name": "my evc1",
            "uni_a": {
                "interface_id": "00:00:00:00:00:00:00:01:1",
                "tag": {"tag_type": 'vlan', "value": 80},
            },
            "uni_z": {
                "interface_id": "00:00:00:00:00:00:00:02:2",
                "tag": {"tag_type": 'vlan', "value": 1},
            },
            "dynamic_backup_path": True,
        }

        evc_as_dict_mock.return_value = payload
        response = await self.api_client.post(
            f"{self.base_endpoint}/v2/evc/",
            json=payload
        )
        assert 201 == response.status_code

        response = await self.api_client.post(
            f"{self.base_endpoint}/v2/evc/",
            json=payload
        )
        current_data = response.json()
        expected_data = "The EVC already exists."
        assert current_data["description"] == expected_data
        assert 400 == response.status_code

    @patch("napps.kytos.mef_eline.models.evc.EVC._tag_lists_equal")
    @patch("napps.kytos.mef_eline.main.Main._uni_from_dict")
    async def test_create_circuit_case_5(
        self,
        uni_from_dict_mock,
        mock_tags_equal
    ):
        """Test when neither primary path nor dynamic_backup_path is set."""
        self.napp.controller.loop = asyncio.get_running_loop()
        mock_tags_equal.return_value = True
        url = f"{self.base_endpoint}/v2/evc/"
        uni1 = create_autospec(UNI)
        uni2 = create_autospec(UNI)
        uni1.interface = create_autospec(Interface)
        uni2.interface = create_autospec(Interface)
        uni1.interface.switch = "00:00:00:00:00:00:00:01"
        uni2.interface.switch = "00:00:00:00:00:00:00:02"
        uni_from_dict_mock.side_effect = [uni1, uni2, uni1, uni2]

        payload = {
            "name": "my evc1",
            "frequency": "* * * * *",
            "uni_a": {
                "interface_id": "00:00:00:00:00:00:00:01:1",
                "tag": {"tag_type": 'vlan', "value": 80},
            },
            "uni_z": {
                "interface_id": "00:00:00:00:00:00:00:02:2",
                "tag": {"tag_type": 'vlan', "value": 1},
            },
        }

        response = await self.api_client.post(url, json=payload)
        current_data = response.json()
        expected_data = "The EVC must have a primary path "
        expected_data += "or allow dynamic paths."
        assert 400 == response.status_code, response.data
        assert current_data["description"] == expected_data

    @patch("napps.kytos.mef_eline.main.Main._evc_from_dict")
    async def test_create_circuit_case_6(self, mock_evc):
        """Test create_circuit with KytosTagError"""
        self.napp.controller.loop = asyncio.get_running_loop()
        url = f"{self.base_endpoint}/v2/evc/"
        mock_evc.side_effect = KytosTagError("")
        payload = {
            "name": "my evc1",
            "uni_a": {
                "interface_id": "00:00:00:00:00:00:00:01:1",
            },
            "uni_z": {
                "interface_id": "00:00:00:00:00:00:00:02:2",
            },
        }
        response = await self.api_client.post(url, json=payload)
        assert response.status_code == 400, response.data

    async def test_redeploy_evc(self):
        """Test endpoint to redeploy an EVC."""
        evc1 = MagicMock()
        evc1.is_enabled.return_value = True
        self.napp.circuits = {"1": evc1, "2": MagicMock()}
        url = f"{self.base_endpoint}/v2/evc/1/redeploy"
        response = await self.api_client.patch(url)
        evc1.remove_failover_flows.assert_called()
        evc1.remove_current_flows.assert_called_with(
            sync=False, return_path=True
        )
        assert response.status_code == 202, response.data

        url = f"{self.base_endpoint}/v2/evc/1/redeploy"
        url = url + "?try_avoid_same_s_vlan=false"
        response = await self.api_client.patch(url)
        evc1.remove_current_flows.assert_called_with(
            sync=False, return_path=False
        )

        url = f"{self.base_endpoint}/v2/evc/1/redeploy"
        url = url + "?try_avoid_same_s_vlan=True"
        response = await self.api_client.patch(url)
        evc1.remove_current_flows.assert_called_with(
            sync=False, return_path=True
        )

    async def test_redeploy_evc_disabled(self):
        """Test endpoint to redeploy an EVC."""
        evc1 = MagicMock()
        evc1.is_enabled.return_value = False
        self.napp.circuits = {"1": evc1, "2": MagicMock()}
        url = f"{self.base_endpoint}/v2/evc/1/redeploy"
        response = await self.api_client.patch(url)
        evc1.remove_failover_flows.assert_not_called()
        evc1.remove_current_flows.assert_not_called()
        assert response.status_code == 409, response.data

    async def test_redeploy_evc_deleted(self):
        """Test endpoint to redeploy an EVC."""
        evc1 = MagicMock()
        evc1.is_enabled.return_value = True
        self.napp.circuits = {"1": evc1, "2": MagicMock()}
        url = f"{self.base_endpoint}/v2/evc/3/redeploy"
        response = await self.api_client.patch(url)
        assert response.status_code == 404, response.data

    async def test_list_schedules__no_data_stored(self):
        """Test if list circuits return all circuits stored."""
        self.napp.mongo_controller.get_circuits.return_value = {"circuits": {}}

        url = f"{self.base_endpoint}/v2/evc/schedule"

        response = await self.api_client.get(url)
        assert response.status_code == 200
        assert not response.json()

    def _add_mongodb_schedule_data(self, data_mock):
        """Add schedule data to mongodb mock object."""
        circuits = {"circuits": {}}
        payload_1 = {
            "id": "aa:aa:aa",
            "name": "my evc1",
            "uni_a": {
                "interface_id": "00:00:00:00:00:00:00:01:1",
                "tag": {"tag_type": 'vlan', "value": 80},
            },
            "uni_z": {
                "interface_id": "00:00:00:00:00:00:00:02:2",
                "tag": {"tag_type": 'vlan', "value": 1},
            },
            "circuit_scheduler": [
                {"id": "1", "frequency": "* * * * *", "action": "create"},
                {"id": "2", "frequency": "1 * * * *", "action": "remove"},
            ],
        }
        circuits["circuits"].update({"aa:aa:aa": payload_1})
        payload_2 = {
            "id": "bb:bb:bb",
            "name": "my second evc2",
            "uni_a": {
                "interface_id": "00:00:00:00:00:00:00:01:2",
                "tag": {"tag_type": 'vlan', "value": 90},
            },
            "uni_z": {
                "interface_id": "00:00:00:00:00:00:00:03:2",
                "tag": {"tag_type": 'vlan', "value": 100},
            },
            "circuit_scheduler": [
                {"id": "3", "frequency": "1 * * * *", "action": "create"},
                {"id": "4", "frequency": "2 * * * *", "action": "remove"},
            ],
        }
        circuits["circuits"].update({"bb:bb:bb": payload_2})
        payload_3 = {
            "id": "cc:cc:cc",
            "name": "my third evc3",
            "uni_a": {
                "interface_id": "00:00:00:00:00:00:00:03:1",
                "tag": {"tag_type": 'vlan', "value": 90},
            },
            "uni_z": {
                "interface_id": "00:00:00:00:00:00:00:04:2",
                "tag": {"tag_type": 'vlan', "value": 100},
            },
        }
        circuits["circuits"].update({"cc:cc:cc": payload_3})
        # Add one circuit to the mongodb.
        data_mock.return_value = circuits

    async def test_list_schedules_from_mongodb(self):
        """Test if list circuits return specific circuits stored."""
        self._add_mongodb_schedule_data(
            self.napp.mongo_controller.get_circuits
        )

        url = f"{self.base_endpoint}/v2/evc/schedule"

        # Call URL
        response = await self.api_client.get(url)
        # Expected JSON data from response
        expected = [
            {
                "circuit_id": "aa:aa:aa",
                "schedule": {
                    "action": "create",
                    "frequency": "* * * * *",
                    "id": "1",
                },
                "schedule_id": "1",
            },
            {
                "circuit_id": "aa:aa:aa",
                "schedule": {
                    "action": "remove",
                    "frequency": "1 * * * *",
                    "id": "2",
                },
                "schedule_id": "2",
            },
            {
                "circuit_id": "bb:bb:bb",
                "schedule": {
                    "action": "create",
                    "frequency": "1 * * * *",
                    "id": "3",
                },
                "schedule_id": "3",
            },
            {
                "circuit_id": "bb:bb:bb",
                "schedule": {
                    "action": "remove",
                    "frequency": "2 * * * *",
                    "id": "4",
                },
                "schedule_id": "4",
            },
        ]

        assert response.status_code == 200
        assert expected == response.json()

    async def test_get_specific_schedule_from_mongodb(self):
        """Test get schedules from a circuit."""
        self._add_mongodb_schedule_data(
            self.napp.mongo_controller.get_circuits
        )

        requested_circuit_id = "bb:bb:bb"
        evc = self.napp.mongo_controller.get_circuits()
        evc = evc["circuits"][requested_circuit_id]
        self.napp.mongo_controller.get_circuit.return_value = evc
        url = f"{self.base_endpoint}/v2/evc/{requested_circuit_id}"

        # Call URL
        response = await self.api_client.get(url)

        # Expected JSON data from response
        expected = [
            {"action": "create", "frequency": "1 * * * *", "id": "3"},
            {"action": "remove", "frequency": "2 * * * *", "id": "4"},
        ]

        assert response.status_code == 200
        assert expected == response.json()["circuit_scheduler"]

    async def test_get_specific_schedules_from_mongodb_not_found(self):
        """Test get specific schedule ID that does not exist."""
        requested_id = "blah"
        self.napp.mongo_controller.get_circuit.return_value = None
        url = f"{self.base_endpoint}/v2/evc/{requested_id}"

        # Call URL
        response = await self.api_client.get(url)

        expected = "circuit_id blah not found"
        # Assert response not found
        assert response.status_code == 404
        assert expected == response.json()["description"]

    def _uni_from_dict_side_effect(self, uni_dict):
        interface_id = uni_dict.get("interface_id")
        tag_dict = uni_dict.get("tag")
        interface = Interface(interface_id, "0", MagicMock(id="1"))
        return UNI(interface, tag_dict)

    @patch("apscheduler.schedulers.background.BackgroundScheduler.add_job")
    @patch("napps.kytos.mef_eline.scheduler.Scheduler.add")
    @patch("napps.kytos.mef_eline.main.Main._uni_from_dict")
    @patch("napps.kytos.mef_eline.controllers.ELineController.upsert_evc")
    @patch("napps.kytos.mef_eline.main.EVC.as_dict")
    @patch("napps.kytos.mef_eline.models.evc.EVC._validate")
    async def test_create_schedule(
        self,
        validate_mock,
        evc_as_dict_mock,
        mongo_controller_upsert_mock,
        uni_from_dict_mock,
        sched_add_mock,
        scheduler_add_job_mock
    ):
        """Test create a circuit schedule."""
        self.napp.controller.loop = asyncio.get_running_loop()
        validate_mock.return_value = True
        mongo_controller_upsert_mock.return_value = True
        uni_from_dict_mock.side_effect = self._uni_from_dict_side_effect
        evc_as_dict_mock.return_value = {}
        sched_add_mock.return_value = True

        self._add_mongodb_schedule_data(
            self.napp.mongo_controller.get_circuits
        )

        requested_id = "bb:bb:bb"
        url = f"{self.base_endpoint}/v2/evc/schedule/"

        payload = {
            "circuit_id": requested_id,
            "schedule": {"frequency": "1 * * * *", "action": "create"},
            "metadata": {"metadata1": "test_data"},
        }

        # Call URL
        response = await self.api_client.post(url, json=payload)
        response_json = response.json()

        assert response.status_code == 201
        scheduler_add_job_mock.assert_called_once()
        mongo_controller_upsert_mock.assert_called_once()
        assert payload["schedule"]["frequency"] == response_json["frequency"]
        assert payload["schedule"]["action"] == response_json["action"]
        assert response_json["id"] is not None

        # Case 2: there is no schedule
        payload = {
              "circuit_id": "cc:cc:cc",
              "schedule": {
                "frequency": "1 * * * *",
                "action": "create"
              }
            }
        response = await self.api_client.post(url, json=payload)
        assert response.status_code == 201

    async def test_create_schedule_invalid_request(self):
        """Test create schedule API with invalid request."""
        self.napp.controller.loop = asyncio.get_running_loop()
        evc1 = MagicMock()
        self.napp.circuits = {'bb:bb:bb': evc1}
        url = f'{self.base_endpoint}/v2/evc/schedule/'

        # case 1: empty post
        response = await self.api_client.post(url, json={})
        assert response.status_code == 400

        # case 2: not a dictionary
        payload = []
        response = await self.api_client.post(url, json=payload)
        assert response.status_code == 400

        # case 3: missing circuit id
        payload = {
            "schedule": {
                "frequency": "1 * * * *",
                "action": "create"
            }
        }
        response = await self.api_client.post(url, json=payload)
        assert response.status_code == 400

        # case 4: missing schedule
        payload = {
            "circuit_id": "bb:bb:bb"
        }
        response = await self.api_client.post(url, json=payload)
        assert response.status_code == 400

        # case 5: invalid circuit
        payload = {
            "circuit_id": "xx:xx:xx",
            "schedule": {
                "frequency": "1 * * * *",
                "action": "create"
            }
        }
        response = await self.api_client.post(url, json=payload)
        assert response.status_code == 404

        # case 6: invalid json
        response = await self.api_client.post(url, json="test")
        assert response.status_code == 400

    @patch('apscheduler.schedulers.background.BackgroundScheduler.remove_job')
    @patch('napps.kytos.mef_eline.scheduler.Scheduler.add')
    @patch('napps.kytos.mef_eline.main.Main._uni_from_dict')
    @patch("napps.kytos.mef_eline.controllers.ELineController.upsert_evc")
    @patch('napps.kytos.mef_eline.main.EVC.as_dict')
    @patch('napps.kytos.mef_eline.models.evc.EVC._validate')
    async def test_update_schedule(
        self,
        validate_mock,
        evc_as_dict_mock,
        mongo_controller_upsert_mock,
        uni_from_dict_mock,
        sched_add_mock,
        scheduler_remove_job_mock
    ):
        """Test create a circuit schedule."""
        self.napp.controller.loop = asyncio.get_running_loop()
        mongo_payload_1 = {
            "circuits": {
                "aa:aa:aa": {
                    "id": "aa:aa:aa",
                    "name": "my evc1",
                    "uni_a": {
                        "interface_id": "00:00:00:00:00:00:00:01:1",
                        "tag": {"tag_type": 'vlan', "value": 80},
                    },
                    "uni_z": {
                        "interface_id": "00:00:00:00:00:00:00:02:2",
                        "tag": {"tag_type": 'vlan', "value": 1},
                    },
                    "circuit_scheduler": [
                        {
                            "id": "1",
                            "frequency": "* * * * *",
                            "action": "create"
                        }
                    ],
                }
            }
        }

        validate_mock.return_value = True
        mongo_controller_upsert_mock.return_value = True
        sched_add_mock.return_value = True
        uni_from_dict_mock.side_effect = ["uni_a", "uni_z"]
        evc_as_dict_mock.return_value = {}
        self.napp.mongo_controller.get_circuits.return_value = mongo_payload_1
        scheduler_remove_job_mock.return_value = True

        requested_schedule_id = "1"
        url = f"{self.base_endpoint}/v2/evc/schedule/{requested_schedule_id}"

        payload = {"frequency": "*/1 * * * *", "action": "create"}

        # Call URL
        response = await self.api_client.patch(url, json=payload)
        response_json = response.json()

        assert response.status_code == 200
        scheduler_remove_job_mock.assert_called_once()
        mongo_controller_upsert_mock.assert_called_once()
        assert payload["frequency"] == response_json["frequency"]
        assert payload["action"] == response_json["action"]
        assert response_json["id"] is not None

    @patch('napps.kytos.mef_eline.main.Main._find_evc_by_schedule_id')
    async def test_update_no_schedule(
        self, find_evc_by_schedule_id_mock
    ):
        """Test update a circuit schedule."""
        self.napp.controller.loop = asyncio.get_running_loop()
        url = f"{self.base_endpoint}/v2/evc/schedule/1"
        payload = {"frequency": "*/1 * * * *", "action": "create"}

        find_evc_by_schedule_id_mock.return_value = None, None

        response = await self.api_client.patch(url, json=payload)
        assert response.status_code == 404

    @patch("apscheduler.schedulers.background.BackgroundScheduler.remove_job")
    @patch("napps.kytos.mef_eline.main.Main._uni_from_dict")
    @patch("napps.kytos.mef_eline.controllers.ELineController.upsert_evc")
    @patch("napps.kytos.mef_eline.main.EVC.as_dict")
    @patch("napps.kytos.mef_eline.models.evc.EVC._validate")
    async def test_delete_schedule(self, *args):
        """Test create a circuit schedule."""
        (
            validate_mock,
            evc_as_dict_mock,
            mongo_controller_upsert_mock,
            uni_from_dict_mock,
            scheduler_remove_job_mock,
        ) = args

        mongo_payload_1 = {
            "circuits": {
                "2": {
                    "id": "2",
                    "name": "my evc1",
                    "uni_a": {
                        "interface_id": "00:00:00:00:00:00:00:01:1",
                        "tag": {"tag_type": 'vlan', "value": 80},
                    },
                    "uni_z": {
                        "interface_id": "00:00:00:00:00:00:00:02:2",
                        "tag": {"tag_type": 'vlan', "value": 1},
                    },
                    "circuit_scheduler": [
                        {
                            "id": "1",
                            "frequency": "* * * * *",
                            "action": "create"
                        }
                    ],
                }
            }
        }
        validate_mock.return_value = True
        mongo_controller_upsert_mock.return_value = True
        uni_from_dict_mock.side_effect = ["uni_a", "uni_z"]
        evc_as_dict_mock.return_value = {}
        self.napp.mongo_controller.get_circuits.return_value = mongo_payload_1
        scheduler_remove_job_mock.return_value = True

        requested_schedule_id = "1"
        url = f"{self.base_endpoint}/v2/evc/schedule/{requested_schedule_id}"

        # Call URL
        response = await self.api_client.delete(url)

        assert response.status_code == 200
        scheduler_remove_job_mock.assert_called_once()
        mongo_controller_upsert_mock.assert_called_once()
        assert "Schedule removed" in f"{response.json()}"

    @patch('napps.kytos.mef_eline.main.Main._find_evc_by_schedule_id')
    async def test_delete_schedule_not_found(self, mock_find_evc_by_sched):
        """Test delete a circuit schedule - unexisting."""
        mock_find_evc_by_sched.return_value = (None, False)
        url = f'{self.base_endpoint}/v2/evc/schedule/1'
        response = await self.api_client.delete(url)
        assert response.status_code == 404

    def test_get_evcs_by_svc_level(self) -> None:
        """Test get_evcs_by_svc_level."""
        levels = [1, 2, 4, 2, 7]
        evcs = {i: MagicMock(service_level=v, creation_time=1)
                for i, v in enumerate(levels)}
        self.napp.circuits = evcs
        expected_levels = sorted(levels, reverse=True)
        evcs_by_level = self.napp.get_evcs_by_svc_level()
        assert evcs_by_level

        for evc, exp_level in zip(evcs_by_level, expected_levels):
            assert evc.service_level == exp_level

        evcs = {i: MagicMock(service_level=1, creation_time=i)
                for i in reversed(range(2))}
        self.napp.circuits = evcs
        evcs_by_level = self.napp.get_evcs_by_svc_level()
        for i in range(2):
            assert evcs_by_level[i].creation_time == i

        self.napp.circuits[1].is_enabled = lambda: False
        evcs_by_level = self.napp.get_evcs_by_svc_level()
        assert len(evcs_by_level) == 1

        self.napp.circuits[1].is_enabled = lambda: False
        evcs_by_level = self.napp.get_evcs_by_svc_level(enable_filter=False)
        assert len(evcs_by_level) == 2

    async def test_get_circuit_not_found(self):
        """Test /v2/evc/<circuit_id> 404."""
        self.napp.mongo_controller.get_circuit.return_value = None
        url = f'{self.base_endpoint}/v2/evc/1234'
        response = await self.api_client.get(url)
        assert response.status_code == 404

    @patch('httpx.post')
    @patch("napps.kytos.mef_eline.main.Main._use_uni_tags")
    @patch('napps.kytos.mef_eline.scheduler.Scheduler.add')
    @patch('napps.kytos.mef_eline.controllers.ELineController.update_evc')
    @patch("napps.kytos.mef_eline.controllers.ELineController.upsert_evc")
    @patch('napps.kytos.mef_eline.models.evc.EVC._validate')
    @patch('kytos.core.Controller.get_interface_by_id')
    @patch('napps.kytos.mef_eline.models.path.Path.is_valid')
    @patch('napps.kytos.mef_eline.models.evc.EVCDeploy.deploy')
    @patch('napps.kytos.mef_eline.main.Main._uni_from_dict')
    @patch('napps.kytos.mef_eline.main.EVC.as_dict')
    async def test_update_circuit(
        self,
        evc_as_dict_mock,
        uni_from_dict_mock,
        evc_deploy,
        _is_valid_mock,
        interface_by_id_mock,
        _mock_validate,
        _mongo_controller_upsert_mock,
        _mongo_controller_update_mock,
        _sched_add_mock,
        mock_use_uni_tags,
        httpx_mock
    ):
        """Test update a circuit circuit."""
        self.napp.controller.loop = asyncio.get_running_loop()
        mock_use_uni_tags.return_value = True
        evc_deploy.return_value = True
        interface_by_id_mock.return_value = get_uni_mocked().interface
        unis = [
            get_uni_mocked(switch_dpid="00:00:00:00:00:00:00:01"),
            get_uni_mocked(switch_dpid="00:00:00:00:00:00:00:02"),
        ]
        uni_from_dict_mock.side_effect = 2 * unis

        response = MagicMock()
        response.status_code = 201
        httpx_mock.return_value = response

        payloads = [
            {
                "name": "my evc1",
                "uni_a": {
                    "interface_id": "00:00:00:00:00:00:00:01:1",
                    "tag": {"tag_type": 'vlan', "value": 80},
                },
                "uni_z": {
                    "interface_id": "00:00:00:00:00:00:00:02:2",
                    "tag": {"tag_type": 'vlan', "value": 1},
                },
                "dynamic_backup_path": True,
            },
            {
                "primary_path": [
                    {
                        "endpoint_a": {"id": "00:00:00:00:00:00:00:01:1"},
                        "endpoint_b": {"id": "00:00:00:00:00:00:00:02:2"},
                    }
                ]
            },
            {
                "sb_priority": 3
            },
            {
                # It works only with 'enabled' and not with 'enable'
                "enabled": True
            },
            {
                "sb_priority": 100
            }
        ]

        evc_as_dict_mock.return_value = payloads[0]
        response = await self.api_client.post(
            f"{self.base_endpoint}/v2/evc/",
            json=payloads[0],
        )
        assert 201 == response.status_code

        evc_deploy.reset_mock()
        evc_as_dict_mock.return_value = payloads[1]
        current_data = response.json()
        circuit_id = current_data["circuit_id"]
        response = await self.api_client.patch(
            f"{self.base_endpoint}/v2/evc/{circuit_id}",
            json=payloads[1],
        )
        # evc_deploy.assert_called_once()
        assert 200 == response.status_code

        evc_deploy.reset_mock()
        evc_as_dict_mock.return_value = payloads[2]
        response = await self.api_client.patch(
            f"{self.base_endpoint}/v2/evc/{circuit_id}",
            json=payloads[2],
        )
        evc_deploy.assert_not_called()
        assert 200 == response.status_code

        evc_deploy.reset_mock()
        evc_as_dict_mock.return_value = payloads[3]
        response = await self.api_client.patch(
            f"{self.base_endpoint}/v2/evc/{circuit_id}",
            json=payloads[3],
        )
        evc_deploy.assert_called_once()
        assert 200 == response.status_code

        evc_deploy.reset_mock()
        response = await self.api_client.patch(
            f"{self.base_endpoint}/v2/evc/{circuit_id}",
            content=b'{"priority":5,}',
            headers={"Content-Type": "application/json"}
        )
        evc_deploy.assert_not_called()
        assert 400 == response.status_code

        response = await self.api_client.patch(
            f"{self.base_endpoint}/v2/evc/1234",
            json=payloads[1],
        )
        current_data = response.json()
        expected_data = "circuit_id 1234 not found"
        assert current_data["description"] == expected_data
        assert 404 == response.status_code

        self.napp.circuits[circuit_id]._active = False
        evc_deploy.reset_mock()
        response = await self.api_client.patch(
            f"{self.base_endpoint}/v2/evc/{circuit_id}",
            json=payloads[4]
        )
        assert 200 == response.status_code
        evc_deploy.assert_called_once()

    @patch("napps.kytos.mef_eline.main.Main._check_no_tag_duplication")

This code seems to be duplicated in your project.

    @patch("napps.kytos.mef_eline.models.evc.EVC._tag_lists_equal")
    @patch("napps.kytos.mef_eline.main.Main._use_uni_tags")
    @patch("napps.kytos.mef_eline.models.evc.EVC.deploy")
    @patch("napps.kytos.mef_eline.scheduler.Scheduler.add")
    @patch("napps.kytos.mef_eline.main.Main._uni_from_dict")
    @patch("napps.kytos.mef_eline.controllers.ELineController.upsert_evc")
    @patch("napps.kytos.mef_eline.models.evc.EVC._validate")
    @patch("napps.kytos.mef_eline.main.EVC.as_dict")
    async def test_update_circuit_invalid_json(
        self,
        evc_as_dict_mock,
        validate_mock,
        mongo_controller_upsert_mock,
        uni_from_dict_mock,
        sched_add_mock,
        evc_deploy_mock,
        mock_use_uni_tags,
        mock_tags_equal,
        mock_check_duplicate
    ):
        """Test update a circuit circuit."""
        self.napp.controller.loop = asyncio.get_running_loop()
        validate_mock.return_value = True
        mongo_controller_upsert_mock.return_value = True
        sched_add_mock.return_value = True
        evc_deploy_mock.return_value = True
        mock_use_uni_tags.return_value = True
        mock_tags_equal.return_value = True
        mock_check_duplicate.return_value = True
        uni1 = create_autospec(UNI)
        uni2 = create_autospec(UNI)
        uni1.interface = create_autospec(Interface)
        uni2.interface = create_autospec(Interface)
        uni1.interface.switch = "00:00:00:00:00:00:00:01"
        uni2.interface.switch = "00:00:00:00:00:00:00:02"
        uni_from_dict_mock.side_effect = [uni1, uni2, uni1, uni2]

        payload1 = {
            "name": "my evc1",
            "uni_a": {
                "interface_id": "00:00:00:00:00:00:00:01:1",
                "tag": {"tag_type": 'vlan', "value": 80},
            },
            "uni_z": {
                "interface_id": "00:00:00:00:00:00:00:02:2",
                "tag": {"tag_type": 'vlan', "value": 1},
            },
            "dynamic_backup_path": True,
        }

        payload2 = {
            "dynamic_backup_path": False,
        }

        evc_as_dict_mock.return_value = payload1
        response = await self.api_client.post(
            f"{self.base_endpoint}/v2/evc/",
            json=payload1
        )
        assert 201 == response.status_code

        evc_as_dict_mock.return_value = payload2
        current_data = response.json()
        circuit_id = current_data["circuit_id"]
        response = await self.api_client.patch(
            f"{self.base_endpoint}/v2/evc/{circuit_id}",
            json=payload2
        )
        current_data = response.json()
        assert 400 == response.status_code
        assert "must have a primary path or" in current_data["description"]

    @patch("napps.kytos.mef_eline.main.Main._check_no_tag_duplication")
    @patch("napps.kytos.mef_eline.models.evc.EVC._tag_lists_equal")
    @patch("napps.kytos.mef_eline.main.Main._use_uni_tags")
    @patch("napps.kytos.mef_eline.models.evc.EVC.deploy")
    @patch("napps.kytos.mef_eline.scheduler.Scheduler.add")
    @patch("napps.kytos.mef_eline.main.Main._uni_from_dict")
    @patch("napps.kytos.mef_eline.main.Main._link_from_dict")
    @patch("napps.kytos.mef_eline.controllers.ELineController.upsert_evc")
    @patch("napps.kytos.mef_eline.models.evc.EVC._validate")
    @patch("napps.kytos.mef_eline.main.EVC.as_dict")
    @patch("napps.kytos.mef_eline.models.path.Path.is_valid")
    async def test_update_circuit_invalid_path(
        self,
        is_valid_mock,
        evc_as_dict_mock,
        validate_mock,
        mongo_controller_upsert_mock,
        link_from_dict_mock,
        uni_from_dict_mock,
        sched_add_mock,
        evc_deploy_mock,
        mock_use_uni_tags,
        mock_tags_equal,
        mock_check_duplicate
    ):
        """Test update a circuit circuit."""
        self.napp.controller.loop = asyncio.get_running_loop()
        is_valid_mock.side_effect = InvalidPath("error")
        validate_mock.return_value = True
        mongo_controller_upsert_mock.return_value = True
        sched_add_mock.return_value = True
        evc_deploy_mock.return_value = True
        mock_use_uni_tags.return_value = True
        link_from_dict_mock.return_value = 1
        mock_tags_equal.return_value = True
        mock_check_duplicate.return_value = True
        uni1 = create_autospec(UNI)
        uni2 = create_autospec(UNI)
        uni1.interface = create_autospec(Interface)
        uni2.interface = create_autospec(Interface)
        uni1.interface.switch = "00:00:00:00:00:00:00:01"
        uni2.interface.switch = "00:00:00:00:00:00:00:02"
        uni_from_dict_mock.side_effect = [uni1, uni2, uni1, uni2]

        payload1 = {
            "name": "my evc1",
            "uni_a": {
                "interface_id": "00:00:00:00:00:00:00:01:1",
                "tag": {"tag_type": 'vlan', "value": 80},
            },
            "uni_z": {
                "interface_id": "00:00:00:00:00:00:00:02:2",
                "tag": {"tag_type": 'vlan', "value": 1},
            },
            "dynamic_backup_path": True,
        }

        payload2 = {
            "primary_path": [
                {
                    "endpoint_a": {"id": "00:00:00:00:00:00:00:01:1"},
                    "endpoint_b": {"id": "00:00:00:00:00:00:00:02:2"},
                }
            ]
        }

        evc_as_dict_mock.return_value = payload1
        response = await self.api_client.post(
            f"{self.base_endpoint}/v2/evc/",
            json=payload1,
        )
        assert 201 == response.status_code

        evc_as_dict_mock.return_value = payload2
        current_data = response.json()
        circuit_id = current_data["circuit_id"]
        response = await self.api_client.patch(
            f"{self.base_endpoint}/v2/evc/{circuit_id}",
            json=payload2,
        )
        current_data = response.json()
        expected_data = "primary_path is not a valid path: error"
        assert 400 == response.status_code
        assert current_data["description"] == expected_data

    def test_link_from_dict_non_existent_intf(self):
        """Test _link_from_dict non existent intf."""
        self.napp.controller.get_interface_by_id = MagicMock(return_value=None)
        link_dict = {
            "endpoint_a": {"id": "a"},
            "endpoint_b": {"id": "b"}
        }
        with pytest.raises(ValueError):
            self.napp._link_from_dict(link_dict, "current_path")

    def test_link_from_dict_vlan_metadata(self):
        """Test that link_from_dict only accepts vlans for current_path
         and failover_path."""
        intf = MagicMock(id="01:1")
        self.napp.controller.get_interface_by_id = MagicMock(return_value=intf)
        link_dict = {
            'id': 'mock_link',
            'endpoint_a': {'id': '00:00:00:00:00:00:00:01:4'},
            'endpoint_b': {'id': '00:00:00:00:00:00:00:05:2'},
            'metadata': {'s_vlan': {'tag_type': 'vlan', 'value': 1}}
        }
        link = self.napp._link_from_dict(link_dict, "current_path")
        assert link.metadata.get('s_vlan', None)

        link = self.napp._link_from_dict(link_dict, "failover_path")
        assert link.metadata.get('s_vlan', None)

        link = self.napp._link_from_dict(link_dict, "primary_path")
        assert link.metadata.get('s_vlan', None) is None

    def test_uni_from_dict_non_existent_intf(self):
        """Test _link_from_dict non existent intf."""
        self.napp.controller.get_interface_by_id = MagicMock(return_value=None)
        uni_dict = {
            "interface_id": "aaa",
        }
        with pytest.raises(ValueError):
            self.napp._uni_from_dict(uni_dict)

    @patch("napps.kytos.mef_eline.main.Main._check_no_tag_duplication")

This code seems to be duplicated in your project.

    @patch("napps.kytos.mef_eline.models.evc.EVC._tag_lists_equal")
    @patch("napps.kytos.mef_eline.main.Main._use_uni_tags")
    @patch("napps.kytos.mef_eline.models.evc.EVC.deploy")
    @patch("napps.kytos.mef_eline.scheduler.Scheduler.add")
    @patch("napps.kytos.mef_eline.main.Main._uni_from_dict")
    @patch("napps.kytos.mef_eline.models.evc.EVC._validate")
    @patch("napps.kytos.mef_eline.controllers.ELineController.upsert_evc")
    async def test_update_evc_no_json_mime(
        self,
        mongo_controller_upsert_mock,
        validate_mock,
        uni_from_dict_mock,
        sched_add_mock,
        evc_deploy_mock,
        mock_use_uni_tags,
        mock_tags_equal,
        mock_check_duplicate
    ):
        """Test update a circuit with wrong mimetype."""
        self.napp.controller.loop = asyncio.get_running_loop()
        validate_mock.return_value = True
        sched_add_mock.return_value = True
        evc_deploy_mock.return_value = True
        mock_use_uni_tags.return_value = True
        mock_tags_equal.return_value = True
        mock_check_duplicate.return_value = True
        uni1 = create_autospec(UNI)
        uni2 = create_autospec(UNI)
        uni1.interface = create_autospec(Interface)
        uni2.interface = create_autospec(Interface)
        uni1.interface.switch = "00:00:00:00:00:00:00:01"
        uni2.interface.switch = "00:00:00:00:00:00:00:02"
        uni_from_dict_mock.side_effect = [uni1, uni2, uni1, uni2]
        mongo_controller_upsert_mock.return_value = True

        payload1 = {
            "name": "my evc1",
            "uni_a": {
                "interface_id": "00:00:00:00:00:00:00:01:1",
                "tag": {"tag_type": 'vlan', "value": 80},
            },
            "uni_z": {
                "interface_id": "00:00:00:00:00:00:00:02:2",
                "tag": {"tag_type": 'vlan', "value": 1},
            },
            "dynamic_backup_path": True,
        }

        payload2 = {"dynamic_backup_path": False}

        response = await self.api_client.post(
            f"{self.base_endpoint}/v2/evc/",
            json=payload1,
        )
        assert 201 == response.status_code

        current_data = response.json()
        circuit_id = current_data["circuit_id"]
        response = await self.api_client.patch(
            f"{self.base_endpoint}/v2/evc/{circuit_id}", data=payload2
        )
        current_data = response.json()
        assert 415 == response.status_code
        assert "application/json" in current_data["description"]

    async def test_delete_no_evc(self):
        """Test delete when EVC does not exist."""
        url = f"{self.base_endpoint}/v2/evc/123"
        response = await self.api_client.delete(url)
        current_data = response.json()
        expected_data = "circuit_id 123 not found"
        assert current_data["description"] == expected_data
        assert 404 == response.status_code

    @patch("napps.kytos.mef_eline.main.Main._check_no_tag_duplication")
    @patch("napps.kytos.mef_eline.models.evc.EVC._tag_lists_equal")
    @patch("napps.kytos.mef_eline.models.evc.EVC.remove_uni_tags")
    @patch("napps.kytos.mef_eline.main.Main._use_uni_tags")
    @patch("napps.kytos.mef_eline.models.evc.EVC.remove_current_flows")
    @patch("napps.kytos.mef_eline.models.evc.EVC.deploy")
    @patch("napps.kytos.mef_eline.scheduler.Scheduler.add")
    @patch("napps.kytos.mef_eline.main.Main._uni_from_dict")
    @patch("napps.kytos.mef_eline.controllers.ELineController.upsert_evc")
    @patch("napps.kytos.mef_eline.models.evc.EVC._validate")
    @patch("napps.kytos.mef_eline.main.EVC.as_dict")
    async def test_delete_archived_evc(
        self,
        evc_as_dict_mock,
        validate_mock,
        mongo_controller_upsert_mock,
        uni_from_dict_mock,
        sched_add_mock,
        evc_deploy_mock,
        remove_current_flows_mock,
        mock_use_uni,
        mock_remove_tags,
        mock_tags_equal,
        mock_check_duplicate
    ):
        """Try to delete an archived EVC"""
        self.napp.controller.loop = asyncio.get_running_loop()
        validate_mock.return_value = True
        mongo_controller_upsert_mock.return_value = True
        sched_add_mock.return_value = True
        evc_deploy_mock.return_value = True
        mock_use_uni.return_value = True
        mock_tags_equal.return_value = True
        mock_check_duplicate.return_value = True
        uni1 = create_autospec(UNI)
        uni2 = create_autospec(UNI)
        uni1.interface = create_autospec(Interface)
        uni2.interface = create_autospec(Interface)
        uni1.interface.switch = "00:00:00:00:00:00:00:01"
        uni2.interface.switch = "00:00:00:00:00:00:00:02"
        uni_from_dict_mock.side_effect = [uni1, uni2, uni1, uni2]

        payload1 = {
            "name": "my evc1",
            "uni_a": {
                "interface_id": "00:00:00:00:00:00:00:01:1",
                "tag": {"tag_type": 'vlan', "value": 80},
            },
            "uni_z": {
                "interface_id": "00:00:00:00:00:00:00:02:2",
                "tag": {"tag_type": 'vlan', "value": 1},
            },
            "dynamic_backup_path": True,
        }

        evc_as_dict_mock.return_value = payload1
        response = await self.api_client.post(
            f"{self.base_endpoint}/v2/evc/",
            json=payload1
        )
        assert 201 == response.status_code
        assert len(self.napp.circuits) == 1
        current_data = response.json()
        circuit_id = current_data["circuit_id"]
        self.napp.circuits[circuit_id].archive()

        response = await self.api_client.delete(
            f"{self.base_endpoint}/v2/evc/{circuit_id}"
        )
        assert 200 == response.status_code
        assert mock_remove_tags.call_count == 0
        assert remove_current_flows_mock.call_count == 0
        assert len(self.napp.circuits) == 0

        response = await self.api_client.delete(
            f"{self.base_endpoint}/v2/evc/{circuit_id}"
        )
        current_data = response.json()
        expected_data = f"circuit_id {circuit_id} not found"
        assert current_data["description"] == expected_data
        assert 404 == response.status_code
        assert len(self.napp.circuits) == 0

    @patch("napps.kytos.mef_eline.main.emit_event")
    async def test_delete_circuit(self, emit_event_mock):
        """Test delete_circuit"""
        evc = MagicMock()
        evc.archived = False
        circuit_id = '1'
        self.napp.circuits[circuit_id] = evc
        response = await self.api_client.delete(
            f"{self.base_endpoint}/v2/evc/{circuit_id}"
        )
        assert 200 == response.status_code
        assert evc.deactivate.call_count == 1
        assert evc.disable.call_count == 1
        evc.remove_current_flows.assert_called_once_with(
            sync=False
        )
        evc.remove_failover_flows.assert_called_once_with(
            sync=False
        )
        assert evc.archive.call_count == 1
        assert evc.remove_uni_tags.call_count == 1
        assert evc.sync.call_count == 1
        assert not self.napp.circuits
        assert emit_event_mock.call_count == 1

    def test_handle_link_up(self):
        """Test handle_link_up method."""
        evc_mock = create_autospec(EVC)
        evc_mock.service_level, evc_mock.creation_time = 0, 1
        evc_mock.is_enabled = MagicMock(side_effect=[
            True, False, True, True, True
        ])
        evc_mock.lock = MagicMock()
        evc_mock.archived = False
        evcs = [evc_mock, evc_mock, evc_mock]
        event = KytosEvent(name="test", content={"link": "abc"})
        self.napp.circuits = dict(zip(["1", "2", "3"], evcs))
        self.napp.handle_link_up(event)
        assert evc_mock.handle_link_up.call_count == 2
        evc_mock.handle_link_up.assert_called_with("abc")

    def test_handle_link_down(
        self
    ):
        """Test handle_link_down method."""
        evc1 = MagicMock(id="1")
        evc1.is_affected_by_link.return_value = True
        evc1.is_failover_path_affected_by_link.return_value = True

        evc2 = MagicMock(id="2")
        evc2.is_affected_by_link.return_value = True
        evc2.failover_path = Path([])

        default_undeploy = [evc1, evc2]

        evc3 = MagicMock(id="3")
        evc3.is_affected_by_link.return_value = True
        evc3.is_failover_path_affected_by_link.return_value = False

        evc4 = MagicMock(id="4")
        evc4.is_affected_by_link.return_value = True
        evc4.is_failover_path_affected_by_link.return_value = False

        default_swap_to_failover = [evc3, evc4]

        evc5 = MagicMock(id="5")
        evc5.is_affected_by_link.return_value = False
        evc5.is_failover_path_affected_by_link.return_value = True

        evc6 = MagicMock(id="6")
        evc6.is_affected_by_link.return_value = False
        evc6.is_failover_path_affected_by_link.return_value = True

        default_clear_failover = [evc5, evc6]

        self.napp.get_evcs_by_svc_level = MagicMock()

        self.napp.get_evcs_by_svc_level.return_value = [
            evc1,
            evc2,
            evc3,
            evc4,
            evc5,
            evc6,
        ]

        self.napp.execute_swap_to_failover = MagicMock()

        swap_to_failover_success = [evc3]
        swap_to_failover_failure = [evc4]

        self.napp.execute_swap_to_failover.return_value =\
            swap_to_failover_success, swap_to_failover_failure

        self.napp.execute_clear_failover = MagicMock()

        clear_failover_success = [evc5, evc3]
        clear_failover_failure = [evc6]

        self.napp.execute_clear_failover.return_value =\
            clear_failover_success, clear_failover_failure

        self.napp.execute_undeploy = MagicMock()

        undeploy_success = [evc1, evc4, evc6]
        undeploy_failure = [evc2]

        self.napp.execute_undeploy.return_value =\
            undeploy_success, undeploy_failure

        link = MagicMock(id="123")
        event = KytosEvent(name="test", content={"link": link})

        self.napp.handle_link_down(event)

        self.napp.execute_swap_to_failover.assert_called_with(
            default_swap_to_failover
        )

        self.napp.execute_clear_failover.assert_called_with(
            [*default_clear_failover, *swap_to_failover_success]
        )

        self.napp.execute_undeploy.assert_called_with([
            *default_undeploy,
            *swap_to_failover_failure,
            *clear_failover_failure
        ])

        self.napp.mongo_controller.update_evcs.assert_called_with([
            evc3.as_dict(),
            evc5.as_dict(),
            evc1.as_dict(),
            evc4.as_dict(),
            evc6.as_dict(),
        ])

    @patch("napps.kytos.mef_eline.main.emit_event")

This code seems to be duplicated in your project.

    @patch("napps.kytos.mef_eline.main.send_flow_mods_http")
    def test_execute_swap_to_failover(
        self,
        send_flow_mods_mock: MagicMock,
        emit_main_mock: MagicMock,
    ):
        """Test execute_swap_to_failover method."""
        evc1 = MagicMock(id="1")
        good_path = MagicMock(id="GoodPath")
        bad_path = MagicMock(id="BadPath")
        evc1.current_path = bad_path
        evc1.failover_path = good_path
        evc2 = MagicMock(id="2")

        self.napp.prepare_swap_to_failover_flow = {
            evc1: {"1": ["Flow1"]},
            evc2: None
        }.get

        self.napp.prepare_swap_to_failover_event = {
            evc1: "FailoverEvent1",
        }.get

        success, failure = self.napp.execute_swap_to_failover([evc1, evc2])

        assert success == [evc1]
        assert failure == [evc2]

        send_flow_mods_mock.assert_called_with(
            {"1": ["Flow1"]},
            "install"
        )

        assert evc1.current_path == good_path
        assert evc1.failover_path == bad_path

        emit_main_mock.assert_called_with(
            self.napp.controller,
            "failover_link_down",
            content={"1": "FailoverEvent1"}
        )

    @patch("napps.kytos.mef_eline.main.emit_event")

This code seems to be duplicated in your project.

    @patch("napps.kytos.mef_eline.main.send_flow_mods_http")
    def test_execute_swap_to_failover_exception(
        self,
        send_flow_mods_mock: MagicMock,
        emit_main_mock: MagicMock,
    ):
        """Test handle_link_down method when an exception occurs."""
        evc1 = MagicMock(id="1")
        good_path = MagicMock(id="GoodPath")
        bad_path = MagicMock(id="BadPath")
        evc1.current_path = bad_path
        evc1.failover_path = good_path
        evc2 = MagicMock(id="2")

        self.napp.prepare_swap_to_failover_flow = {
            evc1: {"1": ["Flow1"]},
            evc2: None
        }.get

        self.napp.prepare_swap_to_failover_event = {
            evc1: "FailoverEvent1",
        }.get

        send_flow_mods_mock.side_effect = FlowModException(
            "Flowmod failed to send"
        )

        success, failure = self.napp.execute_swap_to_failover([evc1, evc2])

        assert success == []
        assert failure == [evc1, evc2]

        send_flow_mods_mock.assert_called_with(
            {"1": ["Flow1"]},
            "install"
        )

        assert evc1.current_path == bad_path
        assert evc1.failover_path == good_path

        emit_main_mock.assert_not_called()

    @patch("napps.kytos.mef_eline.main.emit_event")
    @patch("napps.kytos.mef_eline.main.send_flow_mods_http")
    def test_execute_clear_failover(
        self,
        send_flow_mods_mock: MagicMock,
        emit_main_mock: MagicMock,
    ):
        """Test execute_clear_failover method."""
        evc1 = MagicMock(id="1")
        good_path = MagicMock(id="GoodPath")
        bad_path = MagicMock(id="BadPath")
        evc1.current_path = good_path
        evc1.failover_path = bad_path
        evc2 = MagicMock(id="2")

        self.napp.prepare_clear_failover_flow = {
            evc1: {"1": ["Flow1"]},
            evc2: None
        }.get

        self.napp.prepare_clear_failover_event = {
            evc1: "FailoverEvent1",
        }.get

        success, failure = self.napp.execute_clear_failover([evc1, evc2])

        assert success == [evc1]
        assert failure == [evc2]

        send_flow_mods_mock.assert_called_with(
            {"1": ["Flow1"]},
            "delete"
        )

        assert evc1.current_path == good_path
        assert not evc1.failover_path

        bad_path.make_vlans_available.assert_called_once_with(
            self.napp.controller
        )

        emit_main_mock.assert_called_with(
            self.napp.controller,
            "failover_old_path",
            content={"1": "FailoverEvent1"}
        )

    @patch("napps.kytos.mef_eline.main.emit_event")
    @patch("napps.kytos.mef_eline.main.send_flow_mods_http")
    def test_execute_clear_failover_exception(
        self,
        send_flow_mods_mock: MagicMock,
        emit_main_mock: MagicMock,
    ):
        """Test execute_clear_failover method when an exception occurs."""
        evc1 = MagicMock(id="1")
        good_path = MagicMock(id="GoodPath")
        bad_path = MagicMock(id="BadPath")
        evc1.current_path = good_path
        evc1.failover_path = bad_path
        evc2 = MagicMock(id="2")

        self.napp.prepare_clear_failover_flow = {
            evc1: {"1": ["Flow1"]},
            evc2: None
        }.get

        self.napp.prepare_clear_failover_event = {
            evc1: "FailoverEvent1",
        }.get

        send_flow_mods_mock.side_effect = FlowModException(
            "Flowmod failed to send"
        )

        success, failure = self.napp.execute_clear_failover([evc1, evc2])

        assert success == []
        assert failure == [evc1, evc2]

        send_flow_mods_mock.assert_called_with(
            {"1": ["Flow1"]},
            "delete"
        )

        assert evc1.current_path == good_path
        assert evc1.failover_path == bad_path

        emit_main_mock.assert_not_called()

    @patch("napps.kytos.mef_eline.main.emit_event")
    @patch("napps.kytos.mef_eline.main.send_flow_mods_http")
    def test_execute_undeploy(
        self,
        send_flow_mods_mock: MagicMock,
        emit_main_mock: MagicMock,
    ):
        """Test execute_undeploy method."""
        evc1 = MagicMock(id="1")
        bad_path1 = MagicMock(id="GoodPath")
        bad_path2 = MagicMock(id="BadPath")
        evc1.current_path = bad_path1
        evc1.failover_path = bad_path2
        evc2 = MagicMock(id="2")

        self.napp.prepare_undeploy_flow = {
            evc1: {"1": ["Flow1"]},
            evc2: None
        }.get

        success, failure = self.napp.execute_undeploy([evc1, evc2])

        assert success == [evc1]
        assert failure == [evc2]

        send_flow_mods_mock.assert_called_with(
            {"1": ["Flow1"]},
            "delete"
        )

        assert not evc1.current_path
        assert not evc1.failover_path

        assert evc2.current_path
        assert evc2.failover_path

        bad_path1.make_vlans_available.assert_called_once_with(
            self.napp.controller
        )
        bad_path2.make_vlans_available.assert_called_once_with(
            self.napp.controller
        )

        evc1.deactivate.assert_called()
        evc2.deactivate.assert_not_called()

        emit_main_mock.assert_called_with(
            self.napp.controller,
            "need_redeploy",
            content={"evc_id": "1"}
        )

    @patch("napps.kytos.mef_eline.main.emit_event")
    @patch("napps.kytos.mef_eline.main.send_flow_mods_http")
    def test_execute_undeploy_exception(
        self,
        send_flow_mods_mock: MagicMock,
        emit_main_mock: MagicMock,
    ):
        """Test execute_undeploy method method when an exception occurs."""
        evc1 = MagicMock(id="1")
        bad_path1 = MagicMock(id="GoodPath")
        bad_path2 = MagicMock(id="BadPath")
        evc1.current_path = bad_path1
        evc1.failover_path = bad_path2
        evc2 = MagicMock(id="2")

        self.napp.prepare_undeploy_flow = {
            evc1: {"1": ["Flow1"]},
            evc2: None
        }.get

        send_flow_mods_mock.side_effect = FlowModException(
            "Flowmod failed to send"
        )

        success, failure = self.napp.execute_undeploy([evc1, evc2])

        assert success == []
        assert failure == [evc1, evc2]

        send_flow_mods_mock.assert_called_with(
            {"1": ["Flow1"]},
            "delete"
        )

        assert evc1.current_path
        assert evc1.failover_path

        assert evc2.current_path
        assert evc2.failover_path

        bad_path1.make_vlans_available.assert_not_called()
        bad_path2.make_vlans_available.assert_not_called()

        evc1.deactivate.assert_not_called()
        evc2.deactivate.assert_not_called()

        emit_main_mock.assert_not_called()

    def test_prepare_undeploy_flow(self):
        """Test prepare_undeploy_flow method."""
        evc = MagicMock(id="1")
        assert not self.napp.prepare_undeploy_flow(evc)
        evc._prepare_uni_flows.assert_has_calls([
            call(evc.current_path, skip_in=False),
            call(evc.failover_path, skip_in=True),
        ])
        evc._prepare_nni_flows.assert_has_calls([
            call(evc.current_path),
            call(evc.failover_path),
        ])

    @patch("napps.kytos.mef_eline.main.emit_event")
    def test_handle_evc_affected_by_link_down(self, emit_event_mock):
        """Test handle_evc_affected_by_link_down method."""
        uni = create_autospec(UNI)
        evc1 = MagicMock(
            id="1",
            metadata="data_mocked",
            _active="true",
            _enabled="false",
            uni_a=uni,
            uni_z=uni,
        )
        evc1.name = "name_mocked"
        evc1.handle_link_down.return_value = True
        evc2 = MagicMock(
            id="2",
            metadata="mocked_data",
            _active="false",
            _enabled="true",
            uni_a=uni,
            uni_z=uni,
        )
        evc2.name = "mocked_name"
        evc2.handle_link_down.return_value = False
        self.napp.circuits = {"1": evc1, "2": evc2}

        event = KytosEvent(name="e1", content={
            "evc_id": "3",
            "link": MagicMock(),
        })
        self.napp.handle_evc_affected_by_link_down(event)
        emit_event_mock.assert_not_called()
        event.content["evc_id"] = "1"
        self.napp.handle_evc_affected_by_link_down(event)
        emit_event_mock.assert_called_with(
            self.napp.controller, "redeployed_link_down", content={
                "id": "1",
                "evc_id": "1",
                "name": "name_mocked",
                "metadata": "data_mocked",
                "active": "true",
                "enabled": "false",
                "uni_a": uni.as_dict(),
                "uni_z": uni.as_dict(),
            }
        )

        event.content["evc_id"] = "2"
        self.napp.handle_evc_affected_by_link_down(event)
        emit_event_mock.assert_called_with(
            self.napp.controller, "error_redeploy_link_down", content={
                "evc_id": "2",
                "id": "2",
                "name": "mocked_name",
                "metadata": "mocked_data",
                "active": "false",
                "enabled": "true",
                "uni_a": uni.as_dict(),
                "uni_z": uni.as_dict(),
            }
        )

    async def test_add_metadata(self):
        """Test method to add metadata"""
        self.napp.controller.loop = asyncio.get_running_loop()
        evc_mock = create_autospec(EVC)
        evc_mock.metadata = {}
        evc_mock.id = 1234
        self.napp.circuits = {"1234": evc_mock}

        payload = {"metadata1": 1, "metadata2": 2}
        response = await self.api_client.post(
            f"{self.base_endpoint}/v2/evc/1234/metadata",
            json=payload
        )

        assert response.status_code == 201
        evc_mock.extend_metadata.assert_called_with(payload)

    async def test_add_metadata_malformed_json(self):
        """Test method to add metadata with a malformed json"""
        self.napp.controller.loop = asyncio.get_running_loop()
        payload = b'{"metadata1": 1, "metadata2": 2,}'
        response = await self.api_client.post(
            f"{self.base_endpoint}/v2/evc/1234/metadata",
            content=payload,
            headers={"Content-Type": "application/json"}
        )

        assert response.status_code == 400
        assert "body contains invalid API" in response.json()["description"]

    async def test_add_metadata_no_body(self):
        """Test method to add metadata with no body"""
        self.napp.controller.loop = asyncio.get_running_loop()
        response = await self.api_client.post(
            f"{self.base_endpoint}/v2/evc/1234/metadata"
        )
        assert response.status_code == 400
        assert response.json()["description"] == \
            "Missing required request body"

    async def test_add_metadata_no_evc(self):
        """Test method to add metadata with no evc"""
        self.napp.controller.loop = asyncio.get_running_loop()
        payload = {"metadata1": 1, "metadata2": 2}
        response = await self.api_client.post(
            f"{self.base_endpoint}/v2/evc/1234/metadata",
            json=payload,
        )
        assert response.status_code == 404
        assert response.json()["description"] == \
            "circuit_id 1234 not found."

    async def test_add_metadata_wrong_content_type(self):
        """Test method to add metadata with wrong content type"""
        self.napp.controller.loop = asyncio.get_running_loop()
        payload = {"metadata1": 1, "metadata2": 2}
        response = await self.api_client.post(
            f"{self.base_endpoint}/v2/evc/1234/metadata",
            data=payload,
            headers={"Content-Type": "application/xml"}
        )
        assert response.status_code == 415
        assert "application/xml" in response.json()["description"]

    async def test_get_metadata(self):
        """Test method to get metadata"""
        evc_mock = create_autospec(EVC)
        evc_mock.metadata = {'metadata1': 1, 'metadata2': 2}
        evc_mock.id = 1234
        self.napp.circuits = {"1234": evc_mock}

        response = await self.api_client.get(
            f"{self.base_endpoint}/v2/evc/1234/metadata",
        )
        assert response.status_code == 200
        assert response.json() == {"metadata": evc_mock.metadata}

    async def test_delete_metadata(self):
        """Test method to delete metadata"""
        evc_mock = create_autospec(EVC)
        evc_mock.metadata = {'metadata1': 1, 'metadata2': 2}
        evc_mock.id = 1234
        self.napp.circuits = {"1234": evc_mock}

        response = await self.api_client.delete(
            f"{self.base_endpoint}/v2/evc/1234/metadata/metadata1",
        )
        assert response.status_code == 200

    async def test_delete_metadata_no_evc(self):
        """Test method to delete metadata with no evc"""
        response = await self.api_client.delete(
            f"{self.base_endpoint}/v2/evc/1234/metadata/metadata1",
        )
        assert response.status_code == 404
        assert response.json()["description"] == \
            "circuit_id 1234 not found."

    @patch('napps.kytos.mef_eline.main.Main._load_evc')
    def test_load_all_evcs(self, load_evc_mock):
        """Test load_evcs method"""
        mock_circuits = {
            'circuits': {
                1: 'circuit_1',
                2: 'circuit_2',
                3: 'circuit_3',
                4: 'circuit_4'
            }
        }
        self.napp.mongo_controller.get_circuits.return_value = mock_circuits
        self.napp.circuits = {2: 'circuit_2', 3: 'circuit_3'}
        self.napp.load_all_evcs()
        load_evc_mock.assert_has_calls([call('circuit_1'), call('circuit_4')])
        assert self.napp.controller.buffers.app.put.call_count > 1
        call_args = self.napp.controller.buffers.app.put.call_args[0]
        assert call_args[0].name == "kytos/mef_eline.evcs_loaded"
        assert dict(call_args[0].content) == mock_circuits["circuits"]
        timeout_d = {"timeout": 1}
        assert self.napp.controller.buffers.app.put.call_args[1] == timeout_d

    @patch('napps.kytos.mef_eline.main.Main._evc_from_dict')
    def test_load_evc(self, evc_from_dict_mock):
        """Test _load_evc method"""
        # pylint: disable=protected-access
        # case 1: early return with ValueError exception
        evc_from_dict_mock.side_effect = ValueError("err")
        evc_dict = MagicMock()
        assert not self.napp._load_evc(evc_dict)

        # case 2: early return with KytosTagError exception
        evc_from_dict_mock.side_effect = KytosTagError("")
        assert not self.napp._load_evc(evc_dict)

        # case 3: archived evc
        evc = MagicMock()
        evc.archived = True
        evc_from_dict_mock.side_effect = None
        evc_from_dict_mock.return_value = evc
        assert not self.napp._load_evc(evc_dict)

        # case 4: success creating
        evc.archived = False
        evc.id = 1
        self.napp.sched = MagicMock()

        result = self.napp._load_evc(evc_dict)
        assert result == evc
        self.napp.sched.add.assert_called_with(evc)
        assert self.napp.circuits[1] == evc

    def test_handle_flow_mod_error(self):
        """Test handle_flow_mod_error method"""
        flow = MagicMock()
        flow.cookie = 0xaa00000000000011
        event = MagicMock()
        event.content = {'flow': flow, 'error_command': 'add'}
        evc = create_autospec(EVC)
        evc.archived = False
        evc.remove_current_flows = MagicMock()
        evc.lock = MagicMock()
        self.napp.circuits = {"00000000000011": evc}
        self.napp.handle_flow_mod_error(event)
        evc.remove_current_flows.assert_called_once()

    def test_handle_flow_mod_error_return(self):
        """Test handle_flow_mod_error method with early return."""
        flow = MagicMock()
        flow.cookie = 0xaa00000000000011
        event = MagicMock()
        event.content = {'flow': flow, 'error_command': 'delete'}

        evc = create_autospec(EVC)
        evc.archived = False
        evc.is_enabled.return_value = True

        # Flow command is not 'add'
        self.napp.circuits = {"00000000000011": evc}
        self.napp.handle_flow_mod_error(event)
        assert not evc.remove_current_flows.call_count

        # EVC is not enabled
        event.content["error_command"] = "add"
        evc.is_enabled.return_value = False
        self.napp.handle_flow_mod_error(event)
        assert not evc.remove_current_flows.call_count

        # EVC is archived
        evc.is_enabled.return_value = True
        evc.archived = True
        self.napp.handle_flow_mod_error(event)
        assert not evc.remove_current_flows.call_count

        # EVC does not exist in self.circuits
        evc.archived = False
        self.napp.circuits = {}
        self.napp.handle_flow_mod_error(event)
        assert not evc.remove_current_flows.call_count

    @patch("kytos.core.Controller.get_interface_by_id")
    def test_uni_from_dict(self, _get_interface_by_id_mock):
        """Test _uni_from_dict method."""
        # pylint: disable=protected-access
        # case1: early return on empty dict
        assert not self.napp._uni_from_dict(None)

        # case2: invalid interface raises ValueError
        _get_interface_by_id_mock.return_value = None
        uni_dict = {
            "interface_id": "00:01:1",
            "tag": {"tag_type": 'vlan', "value": 81},
        }
        with pytest.raises(ValueError):
            self.napp._uni_from_dict(uni_dict)

        # case3: success creation
        uni_mock = get_uni_mocked(switch_id="00:01")
        _get_interface_by_id_mock.return_value = uni_mock.interface
        uni = self.napp._uni_from_dict(uni_dict)
        assert uni == uni_mock

        # case4: success creation of tag list
        uni_dict["tag"]["value"] = [[1, 10]]
        uni = self.napp._uni_from_dict(uni_dict)
        assert isinstance(uni.user_tag, TAGRange)

        # case5: success creation without tag
        uni_mock.user_tag = None
        del uni_dict["tag"]
        uni = self.napp._uni_from_dict(uni_dict)
        assert uni == uni_mock

    def test_handle_flow_delete(self):
        """Test handle_flow_delete method"""
        flow = MagicMock()
        flow.cookie = 0xaa00000000000011
        event = MagicMock()
        event.content = {'flow': flow}
        evc = create_autospec(EVC)
        evc.set_flow_removed_at = MagicMock()
        self.napp.circuits = {"00000000000011": evc}
        self.napp.handle_flow_delete(event)
        evc.set_flow_removed_at.assert_called_once()

    async def test_add_bulk_metadata(self):

This code seems to be duplicated in your project.

        """Test add_bulk_metadata method"""
        self.napp.controller.loop = asyncio.get_running_loop()
        evc_mock = create_autospec(EVC)
        evc_mock.id = 1234
        self.napp.circuits = {"1234": evc_mock}
        payload = {
            "circuit_ids": ["1234"],
            "metadata1": 1,
            "metadata2": 2
        }
        response = await self.api_client.post(
            f"{self.base_endpoint}/v2/evc/metadata",
            json=payload
        )
        assert response.status_code == 201
        args = self.napp.mongo_controller.update_evcs_metadata.call_args[0]
        ids = payload.pop("circuit_ids")
        assert args[0] == ids
        assert args[1] == payload
        assert args[2] == "add"
        calls = self.napp.mongo_controller.update_evcs_metadata.call_count
        assert calls == 1
        evc_mock.extend_metadata.assert_called_with(payload)

    async def test_add_bulk_metadata_empty_list(self):
        """Test add_bulk_metadata method empty list"""
        self.napp.controller.loop = asyncio.get_running_loop()
        evc_mock = create_autospec(EVC)
        evc_mock.id = 1234
        self.napp.circuits = {"1234": evc_mock}
        payload = {
            "circuit_ids": [],
            "metadata1": 1,
            "metadata2": 2
        }
        response = await self.api_client.post(
            f"{self.base_endpoint}/v2/evc/metadata",
            json=payload
        )
        assert response.status_code == 400
        assert "invalid" in response.json()["description"]

    async def test_add_bulk_metadata_no_id(self):
        """Test add_bulk_metadata with unknown evc id"""
        self.napp.controller.loop = asyncio.get_running_loop()
        evc_mock = create_autospec(EVC)
        evc_mock.id = 1234
        self.napp.circuits = {"1234": evc_mock}
        payload = {
            "circuit_ids": ["1234", "4567"]
        }
        response = await self.api_client.post(
            f"{self.base_endpoint}/v2/evc/metadata",
            json=payload
        )
        assert response.status_code == 404

    async def test_add_bulk_metadata_no_circuits(self):
        """Test add_bulk_metadata without circuit_ids"""
        self.napp.controller.loop = asyncio.get_running_loop()
        evc_mock = create_autospec(EVC)
        evc_mock.id = 1234
        self.napp.circuits = {"1234": evc_mock}
        payload = {
            "metadata": "data"
        }
        response = await self.api_client.post(
            f"{self.base_endpoint}/v2/evc/metadata",
            json=payload
        )
        assert response.status_code == 400

    async def test_delete_bulk_metadata(self):

This code seems to be duplicated in your project.

        """Test delete_metadata method"""
        self.napp.controller.loop = asyncio.get_running_loop()
        evc_mock = create_autospec(EVC)
        evc_mock.id = 1234
        self.napp.circuits = {"1234": evc_mock}
        payload = {
            "circuit_ids": ["1234"]
        }
        response = await self.api_client.request(
            "DELETE",
            f"{self.base_endpoint}/v2/evc/metadata/metadata1",
            json=payload
        )
        assert response.status_code == 200
        args = self.napp.mongo_controller.update_evcs_metadata.call_args[0]
        assert args[0] == payload["circuit_ids"]
        assert args[1] == {"metadata1": ""}
        assert args[2] == "del"
        calls = self.napp.mongo_controller.update_evcs_metadata.call_count
        assert calls == 1
        assert evc_mock.remove_metadata.call_count == 1

    async def test_delete_bulk_metadata_error(self):
        """Test bulk_delete_metadata with ciruit erroring"""
        self.napp.controller.loop = asyncio.get_running_loop()
        evc_mock = create_autospec(EVC)
        evcs = [evc_mock, evc_mock]
        self.napp.circuits = dict(zip(["1", "2"], evcs))
        payload = {"circuit_ids": ["1", "2", "3"]}
        response = await self.api_client.request(
            "DELETE",
            f"{self.base_endpoint}/v2/evc/metadata/metadata1",
            json=payload
        )
        assert response.status_code == 404, response.data
        assert response.json()["description"] == ["3"]

    async def test_use_uni_tags(self):
        """Test _use_uni_tags"""
        self.napp.controller.loop = asyncio.get_running_loop()
        evc_mock = create_autospec(EVC)
        evc_mock.uni_a = "uni_a_mock"
        evc_mock.uni_z = "uni_z_mock"
        self.napp._use_uni_tags(evc_mock)
        assert evc_mock._use_uni_vlan.call_count == 2
        assert evc_mock._use_uni_vlan.call_args[0][0] == evc_mock.uni_z

        # One UNI tag is not available
        evc_mock._use_uni_vlan.side_effect = [KytosTagError(""), None]
        with pytest.raises(KytosTagError):
            self.napp._use_uni_tags(evc_mock)
        assert evc_mock._use_uni_vlan.call_count == 3
        assert evc_mock.make_uni_vlan_available.call_count == 0

        evc_mock._use_uni_vlan.side_effect = [None, KytosTagError("")]
        with pytest.raises(KytosTagError):
            self.napp._use_uni_tags(evc_mock)
        assert evc_mock._use_uni_vlan.call_count == 5
        assert evc_mock.make_uni_vlan_available.call_count == 1

    def test_check_no_tag_duplication(self):
        """Test _check_no_tag_duplication"""
        evc = MagicMock()
        evc.check_no_tag_duplicate = MagicMock()
        evc.archived = False
        evc.id = "1"
        self.napp.circuits = {"1": evc}
        evc_id = "2"
        uni_a = get_uni_mocked(valid=True)
        uni_z = get_uni_mocked(valid=True)
        self.napp._check_no_tag_duplication(evc_id, uni_a, uni_z)
        assert evc.check_no_tag_duplicate.call_count == 0

        uni_a.user_tag = None
        uni_z.user_tag = None
        self.napp._check_no_tag_duplication(evc_id, uni_a, uni_z)
        assert evc.check_no_tag_duplicate.call_count == 2

        self.napp._check_no_tag_duplication(evc_id, uni_a, None)
        assert evc.check_no_tag_duplicate.call_count == 3

        self.napp._check_no_tag_duplication(evc_id, None, None)
        assert evc.check_no_tag_duplicate.call_count == 3

    @patch("napps.kytos.mef_eline.main.time")
    @patch("napps.kytos.mef_eline.main.Main.handle_interface_link_up")
    @patch("napps.kytos.mef_eline.main.Main.handle_interface_link_down")
    def test_handle_on_interface_link_change(
        self,
        mock_down,
        mock_up,
        mock_time
    ):
        """Test handle_on_interface_link_change"""
        mock_time.sleep.return_value = True
        mock_intf = Mock()
        mock_intf.id = "mock_intf"

        # Created/link_up/enabled
        name = '.*.switch.interface.created'
        content = {"interface": mock_intf}
        event = KytosEvent(name=name, content=content)
        self.napp.handle_on_interface_link_change(event)
        assert mock_down.call_count == 0
        assert mock_up.call_count == 1

        name = '.*.interface.enabled'
        content = {"interface": mock_intf}
        event = KytosEvent(name=name, content=content)
        self.napp.handle_on_interface_link_change(event)
        assert mock_down.call_count == 0
        assert mock_up.call_count == 2

        # Deleted/link_down/disabled
        name = '.*.switch.interface.deleted'
        event = KytosEvent(name=name, content=content)
        self.napp.handle_on_interface_link_change(event)
        assert mock_down.call_count == 1
        assert mock_up.call_count == 2

        name = '.*.interface.down'
        event = KytosEvent(name=name, content=content)
        self.napp.handle_on_interface_link_change(event)
        assert mock_down.call_count == 2
        assert mock_up.call_count == 2

        # Event delay
        self.napp._intf_events[mock_intf.id]["last_acquired"] = "mock_time"
        for _ in range(1, 6):
            self.napp.handle_on_interface_link_change(event)
        assert mock_down.call_count == 2
        assert mock_up.call_count == 2

        self.napp._intf_events[mock_intf.id].pop("last_acquired")
        self.napp.handle_on_interface_link_change(event)
        assert mock_down.call_count == 3
        assert mock_up.call_count == 2

        # Out of order event
        event = KytosEvent(name=name, content=content)
        self.napp._intf_events[mock_intf.id]["event"] = Mock(timestamp=now())

        self.napp.handle_on_interface_link_change(event)
        assert mock_down.call_count == 3
        assert mock_up.call_count == 2

    def test_handle_evc_deployed(
        self,
    ):
        """
        Test setting up failover path with need_failover event.
        """
        evc1 = MagicMock()
        evc1.is_eligible_for_failover_path.return_value = True
        evc1.is_active.return_value = True
        evc1.failover_path = Path([])
        evc1.current_path = ["LINK"]

        evc2 = MagicMock()
        evc2.is_eligible_for_failover_path.return_value = False
        evc2.is_active.return_value = True
        evc2.failover_path = Path([])
        evc2.current_path = ["LINK"]

        self.napp.circuits = {
            "evc_1": evc1,
            "evc_2": evc2,
        }

        event = KytosEvent(
            name="kytos/mef_eline.need_failover",
            content={
                "evc_id": "evc_1",
            }
        )

        self.napp.handle_evc_deployed(event)
        evc1.setup_failover_path.assert_called()

        event = KytosEvent(
            name="kytos/mef_eline.need_failover",
            content={
                "evc_id": "evc_2",
            }
        )

        self.napp.handle_evc_deployed(event)
        evc2.setup_failover_path.assert_not_called()