102507d815
Enhance unit tests for async shutdown and improve assertions - Updated `test_app.py` to verify multiple calls to `asyncio_sleep` and ensure proper handling of sleep intervals. - Added new tests in `test_ingestor.py` and `test_opc_manager.py` to validate shutdown behavior and error handling for async operations. - Improved assertions in existing tests to enhance reliability and clarity of test outcomes.
631 lines
20 KiB
Python
631 lines
20 KiB
Python
import json
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from datetime import datetime
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from unittest.mock import AsyncMock, MagicMock, call, patch
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from pytest import fixture, mark
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from asyncua.crypto.security_policies import SecurityPolicyBasic256
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import pytest
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from ingestor.managers.opc_manager import OpcManager
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from sientia_do.notifications.models import NotificationLevel
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tags = {
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"ns=3;i=1001": {
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"aggregation_function": "LTS",
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"frequency": 1000,
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"max_value": 100,
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"min_value": 0,
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"tag_name": "Counter",
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},
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"ns=3;i=1003": {
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"aggregation_function": "AVG",
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"frequency": 1000,
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"max_value": 100,
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"min_value": 0,
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"tag_name": "Random",
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},
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"ns=3;i=1004": {
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"aggregation_function": "MDN",
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"frequency": 1000,
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"max_value": 100,
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"min_value": 0,
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"tag_name": "Sawtooth",
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},
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}
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metadata = {
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"metadata": {
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"model_id": "test_model",
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"model_name": "test_model",
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"workflow_name": "test_workflow",
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"schema_name": "test_schedule",
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},
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}
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@fixture
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@patch("ingestor.managers.opc_manager.metrics")
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def raw_opc_manager(mock_metrics):
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return OpcManager(
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name="TestConnector",
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url="opc.tcp://localhost:4840",
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data_manager=MagicMock(),
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logger=MagicMock(),
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server_uri="opc.tcp://localhost:4840",
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notification_handler=MagicMock(),
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metadata=metadata["metadata"],
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)
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@fixture
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def opc_manager(raw_opc_manager):
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raw_opc_manager.client = AsyncMock()
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raw_opc_manager.cert_path = "cert.pem"
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raw_opc_manager.private_key_path = "private_key.pem"
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raw_opc_manager.server_cert_path = "server_cert.pem"
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raw_opc_manager.send_notification = MagicMock()
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return raw_opc_manager
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@fixture
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def opc_manager_subscribed(opc_manager):
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opc_manager.subscriptions["sub1"] = AsyncMock()
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return opc_manager
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def test___str__(opc_manager):
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assert (
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str(opc_manager)
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== "OpcManager(name=TestConnector, url=opc.tcp://localhost:4840, server_uri=opc.tcp://localhost:4840)\nnodes={}, subscriptions={}"
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)
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@mark.asyncio
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async def test_shutdown_success(opc_manager):
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opc_manager.disconnect = AsyncMock()
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await opc_manager.shutdown()
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opc_manager.disconnect.assert_called_once()
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@mark.asyncio
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async def test_shutdown_error(opc_manager):
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opc_manager.disconnect = AsyncMock(side_effect=Exception("Test error"))
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await opc_manager.shutdown()
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opc_manager.logger.error.assert_called_once_with(
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"Error during cleanup: Test error")
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@mark.asyncio
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async def test_set_security_success(opc_manager):
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await opc_manager.set_security()
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opc_manager.client.set_application_uri.assert_called_once_with(
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opc_manager.server_uri
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)
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opc_manager.client.set_security.assert_called_once_with(
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SecurityPolicyBasic256,
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certificate=opc_manager.cert_path,
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private_key=opc_manager.private_key_path,
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server_certificate=opc_manager.server_cert_path,
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)
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opc_manager.client.set_secure_channel_timeout.assert_called_once_with(
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10000000)
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opc_manager.client.set_session_timeout.assert_called_once_with(10000000)
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@mark.asyncio
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async def test_set_security_no_cert(opc_manager):
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opc_manager.cert_path = None
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opc_manager.private_key_path = None
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try:
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await opc_manager.set_security()
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except ValueError as e:
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assert (
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str(e)
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== "Certificate and private key paths must be provided for secure connection."
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)
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else:
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assert False, "ValueError not raised"
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assert opc_manager.client.set_security.call_count == 0
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@mark.asyncio
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@patch("ingestor.managers.opc_manager.metrics")
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@patch("ingestor.managers.opc_manager.Client")
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async def test_connect_no_security(client, mock_metrics, raw_opc_manager):
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raw_opc_manager.set_security = AsyncMock()
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client.return_value = AsyncMock()
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await raw_opc_manager.connect()
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client.assert_called_once_with(raw_opc_manager.url)
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raw_opc_manager.client.connect.assert_called_once()
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raw_opc_manager.set_security.assert_not_called()
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mock_metrics.OPC_CONNECTIONS_TOTAL.labels.assert_called_once_with(
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pod_id=raw_opc_manager.pod_id,
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server_name=raw_opc_manager.name
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)
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mock_metrics.OPC_CONNECTIONS_TOTAL.labels.return_value.inc.assert_called_once()
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mock_metrics.OPC_CONNECTION_STATUS.labels.assert_called_once_with(
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pod_id=raw_opc_manager.pod_id,
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server_name=raw_opc_manager.name,
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server_url=raw_opc_manager.url
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)
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mock_metrics.OPC_CONNECTION_STATUS.labels.return_value.set.assert_called_once_with(
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1)
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mock_metrics.OPC_CONNECTIONS_FAILED.labels.assert_not_called()
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@mark.asyncio
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@patch("ingestor.managers.opc_manager.Client")
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async def test_connect_with_security(client, raw_opc_manager):
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raw_opc_manager.cert_path = "cert.pem"
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raw_opc_manager.private_key_path = "private_key.pem"
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raw_opc_manager.server_cert_path = "server_cert.pem"
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raw_opc_manager.set_security = AsyncMock()
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client.return_value = AsyncMock()
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await raw_opc_manager.connect()
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client.assert_called_once_with(raw_opc_manager.url)
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raw_opc_manager.client.connect.assert_called_once()
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raw_opc_manager.set_security.assert_called_once()
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@mark.asyncio
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@patch("ingestor.managers.opc_manager.Client")
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@patch("ingestor.managers.opc_manager.metrics")
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async def test_connect_exception_handling_and_metrics(
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mock_metrics_module, mock_opc_client_class, raw_opc_manager
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):
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mock_client_instance = mock_opc_client_class.return_value
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simulated_error_message = "Erro de conexão simulado"
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mock_client_instance.connect.side_effect = Exception(
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simulated_error_message)
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opc_manager_instance = raw_opc_manager
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opc_manager_instance.cert_path = None
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with pytest.raises(Exception, match=simulated_error_message):
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await opc_manager_instance.connect()
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mock_metrics_module.OPC_CONNECTIONS_TOTAL.labels.assert_called_once_with(
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pod_id=opc_manager_instance.pod_id, server_name=opc_manager_instance.name
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)
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mock_metrics_module.OPC_CONNECTIONS_TOTAL.labels.return_value.inc.assert_called_once()
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mock_metrics_module.OPC_CONNECTION_STATUS.labels.assert_called_once_with(
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pod_id=opc_manager_instance.pod_id,
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server_name=opc_manager_instance.name,
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server_url=opc_manager_instance.url,
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)
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mock_metrics_module.OPC_CONNECTION_STATUS.labels.return_value.set.assert_called_once_with(
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0
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)
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mock_metrics_module.OPC_CONNECTIONS_FAILED.labels.assert_called_once_with(
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pod_id=opc_manager_instance.pod_id, server_name=opc_manager_instance.name
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)
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mock_metrics_module.OPC_CONNECTIONS_FAILED.labels.return_value.inc.assert_called_once()
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opc_manager_instance.logger.error.assert_called_once_with(
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f"Failed to connect to {opc_manager_instance.name}: {simulated_error_message}"
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)
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@mark.asyncio
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async def test_create_subscription_no_client(raw_opc_manager):
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try:
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await raw_opc_manager.create_subscription("sub1")
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except ValueError as e:
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assert str(e) == "Client not connected. Call connect first."
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else:
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assert False, "ValueError not raised"
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@mark.asyncio
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async def test_create_subscription_success_has_period(opc_manager):
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await opc_manager.create_subscription("sub1", 1000)
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opc_manager.client.create_subscription.assert_called_once_with(
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1000, opc_manager)
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assert opc_manager.subscriptions["sub1"] is not None
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@mark.asyncio
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async def test_create_subscription_success_no_period(opc_manager):
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await opc_manager.create_subscription("sub1", None)
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opc_manager.client.create_subscription.assert_called_once_with(
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500, opc_manager)
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assert opc_manager.subscriptions["sub1"] is not None
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@patch("ingestor.managers.opc_manager.metrics")
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@mark.asyncio
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async def test_create_subscription_with_metrics(metrics, opc_manager):
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await opc_manager.create_subscription("sub1", 1000)
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metrics.OPC_SUBSCRIPTIONS_CREATED.labels.assert_called_once_with(
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pod_id=opc_manager.pod_id, server_name=opc_manager.name, slot_name="sub1"
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)
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metrics.OPC_SUBSCRIPTIONS_CREATED.labels.return_value.inc.assert_called_once()
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@patch("ingestor.managers.opc_manager.metrics")
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@mark.asyncio
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async def test_create_subscription_exception_during_client_call(
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mock_metrics_module, raw_opc_manager
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):
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opc_manager_instance = raw_opc_manager
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opc_manager_instance.client = AsyncMock()
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subscription_name = "test_sub_client_error"
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simulated_period = 750
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simulated_error_message = "Falha ao criar subscrição no cliente OPC"
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opc_manager_instance.client.create_subscription.side_effect = Exception(
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simulated_error_message
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)
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with pytest.raises(Exception, match=simulated_error_message):
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await opc_manager_instance.create_subscription(
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subscription_name, period=simulated_period
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)
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opc_manager_instance.client.create_subscription.assert_called_once_with(
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simulated_period, opc_manager_instance
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)
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opc_manager_instance.logger.error.assert_called_once_with(
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f"Failed to create subscription {subscription_name} on {opc_manager_instance.name}: {simulated_error_message}"
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)
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mock_metrics_module.OPC_SUBSCRIPTIONS_CREATED.labels.assert_not_called()
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@patch("ingestor.managers.opc_manager.metrics")
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@mark.asyncio
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async def test_subscribe_no_subscription(metrics, opc_manager):
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try:
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await opc_manager.subscribe("sub1", tags, 1000)
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except ValueError as e:
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assert str(
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e) == "Subscription not created. Call create_subscription first."
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else:
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assert False, "ValueError not raised"
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metrics.OPC_TAGS_SUBSCRIBED.labels.assert_not_called()
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@mark.asyncio
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async def test_subscribe_success(opc_manager_subscribed):
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opc_manager_subscribed.client.get_node = MagicMock()
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opc_manager_subscribed.nodes = {"ns=3;i=1001": "data"}
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await opc_manager_subscribed.subscribe("sub1", tags, 1000)
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assert opc_manager_subscribed.nodes == tags
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opc_manager_subscribed.subscriptions["sub1"].subscribe_data_change.assert_called_once_with(
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[opc_manager_subscribed.client.get_node(n) for n in tags]
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)
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@mark.asyncio
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async def test_unsubscribe_no_subscription(opc_manager):
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await opc_manager.unsubscribe("sub1")
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opc_manager.logger.warning.assert_called_once_with(
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"Subscription 'sub1' not found. Cannot unsubscribe."
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)
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assert opc_manager.subscriptions.get("sub1") is None
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@mark.asyncio
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async def test_unsubscribe_success(opc_manager_subscribed):
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await opc_manager_subscribed.unsubscribe("sub1")
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opc_manager_subscribed.subscriptions.get("sub1") is None
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@mark.asyncio
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async def test_disconnect_success(opc_manager_subscribed):
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opc_manager_subscribed.client = MagicMock()
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await opc_manager_subscribed.disconnect()
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opc_manager_subscribed.subscriptions["sub1"].delete.assert_called_once()
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assert opc_manager_subscribed.client is None
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@mark.asyncio
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async def test_disconnect_no_client(opc_manager_subscribed):
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opc_manager_subscribed.client = None
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assert await opc_manager_subscribed.disconnect() is None
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opc_manager_subscribed.logger.warning.assert_has_calls(
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[
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call("Client already disconnected."),
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]
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)
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@mark.asyncio
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async def test_disconnect_error_unsubscribe(opc_manager_subscribed):
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opc_manager_subscribed.client = MagicMock(
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disconnect=AsyncMock()
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)
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opc_manager_subscribed.subscriptions["sub1"] = MagicMock(
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delete=AsyncMock(side_effect=Exception("Test error"))
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)
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await opc_manager_subscribed.disconnect()
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opc_manager_subscribed.subscriptions["sub1"].delete.assert_called_once()
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opc_manager_subscribed.client = None
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opc_manager_subscribed.logger.error.assert_called_once_with(
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"Failed to clean up subscription: Test error"
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)
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|
|
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@mark.asyncio
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async def test_disconnect_error(opc_manager_subscribed):
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opc_manager_subscribed.client = MagicMock()
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opc_manager_subscribed.client.disconnect = MagicMock(
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side_effect=Exception("Test error")
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)
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await opc_manager_subscribed.disconnect()
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opc_manager_subscribed.subscriptions["sub1"].delete.assert_called_once()
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opc_manager_subscribed.client = None
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opc_manager_subscribed.logger.error.assert_called_once_with(
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"Failed to disconnect from OPC UA server: Test error"
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)
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|
|
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@patch('ingestor.managers.opc_manager.metrics')
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@mark.asyncio
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async def test_disconnect_metrics_on_successful_path(mock_metrics_module, raw_opc_manager):
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mock_metrics_module.OPC_CONNECTION_STATUS.reset_mock()
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mock_metrics_module.OPC_TAGS_SUBSCRIBED.reset_mock()
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raw_opc_manager.client = MagicMock()
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mock_sub1 = MagicMock()
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mock_sub2 = MagicMock()
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raw_opc_manager.subscriptions = {"sub1": mock_sub1, "sub2": mock_sub2}
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await raw_opc_manager.disconnect()
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|
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mock_metrics_module.OPC_CONNECTION_STATUS.labels.assert_called_once_with(
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pod_id=raw_opc_manager.pod_id,
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server_name=raw_opc_manager.name,
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server_url=raw_opc_manager.url
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)
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mock_metrics_module.OPC_CONNECTION_STATUS.labels.return_value.set.assert_called_once_with(
|
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0)
|
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|
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mock_metrics_module.OPC_TAGS_SUBSCRIBED.labels.assert_called_once_with(
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pod_id=raw_opc_manager.pod_id,
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server_name=raw_opc_manager.name
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)
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mock_metrics_module.OPC_TAGS_SUBSCRIBED.labels.return_value.set.assert_called_once_with(
|
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0)
|
|
|
|
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@patch('ingestor.managers.opc_manager.metrics')
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@mark.asyncio
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async def test_datachange_notification(metrics, opc_manager_subscribed):
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data = MagicMock(
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monitored_item=MagicMock(
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Value=MagicMock(
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Value=MagicMock(Value=42),
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SourceTimestamp=datetime.strptime(
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"2021-01-01T00:00:00", "%Y-%m-%dT%H:%M:%S"
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),
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)
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)
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)
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opc_manager_subscribed.nodes = {
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"ns=3;i=1001": {
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"tag_name": "Counter",
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"cycle_rule": {"cycle_increment": 1.0, "cycle_count": 2},
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"topics": ["topic1", "topic2"],
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}
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}
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metrics.OPC_CYCLES_WITHOUT_DATA.reset_mock()
|
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await opc_manager_subscribed.datachange_notification("ns=3;i=1001", None, data)
|
|
|
|
opc_manager_subscribed.data_manager.publish.assert_any_call(
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"topic1",
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{
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"tag": "ns=3;i=1001",
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"name": "Counter",
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"timestamp": "2021-01-01 00:00:00-0300",
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"value": 42,
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},
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)
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opc_manager_subscribed.data_manager.publish.assert_any_call(
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"topic2",
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{
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"tag": "ns=3;i=1001",
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"name": "Counter",
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"timestamp": "2021-01-01 00:00:00-0300",
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"value": 42,
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},
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)
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assert opc_manager_subscribed.nodes["ns=3;i=1001"]["cycle_rule"]["cycle_count"] == 0
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|
|
metrics.OPC_CYCLES_WITHOUT_DATA.labels.assert_called_once_with(
|
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pod_id=opc_manager_subscribed.pod_id,
|
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server_name=opc_manager_subscribed.name
|
|
)
|
|
metrics.OPC_CYCLES_WITHOUT_DATA.labels.return_value.set.assert_called_once_with(
|
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0)
|
|
|
|
|
|
def test_check_cycles_no_notification(opc_manager):
|
|
# Setup: node with cycle_count just below threshold
|
|
opc_manager.nodes = {
|
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"ns=3;i=1001": {
|
|
"tag_name": "Counter",
|
|
"cycle_rule": {"cycle_increment": 1.0, "cycle_count": 3.0},
|
|
}
|
|
}
|
|
|
|
opc_manager.check_cycles()
|
|
|
|
# After one increment, cycle_count = 4.0, still below threshold
|
|
assert opc_manager.nodes["ns=3;i=1001"]["cycle_rule"][
|
|
"cycle_count"
|
|
] == pytest.approx(4.0)
|
|
opc_manager.send_notification.assert_not_called()
|
|
|
|
|
|
def test_check_cycles_triggers_notification(opc_manager):
|
|
# Setup: node with cycle_count just below threshold, increment will cross threshold
|
|
opc_manager.nodes = {
|
|
"ns=3;i=1001": {
|
|
"tag_name": "Counter",
|
|
"cycle_rule": {"cycle_increment": 2.5, "cycle_count": 3.0},
|
|
}
|
|
}
|
|
opc_manager.notification_handler.build_and_send_notification = MagicMock()
|
|
|
|
opc_manager.check_cycles()
|
|
|
|
# After increment, cycle_count = 5.5, should trigger notification
|
|
assert opc_manager.nodes["ns=3;i=1001"]["cycle_rule"][
|
|
"cycle_count"
|
|
] == pytest.approx(5.5)
|
|
opc_manager.send_notification.assert_called_once_with(
|
|
notification_id="TAG_ns=3;i=1001:Counter_LISTENNING_STOPPED",
|
|
message="5.5 cycles without receive from ns=3;i=1001:Counter",
|
|
block="opc_manager",
|
|
level=NotificationLevel.WARNING,
|
|
metadata=metadata["metadata"],
|
|
)
|
|
|
|
|
|
@patch('ingestor.managers.opc_manager.metrics')
|
|
def test_check_opc_listenning_no_notification(metrics, opc_manager):
|
|
opc_manager.non_receive_count = 3
|
|
opc_manager.notification_handler.build_and_send_notification = MagicMock()
|
|
metrics.OPC_CYCLES_WITHOUT_DATA.reset_mock()
|
|
metrics.OPC_RECONNECTIONS_TOTAL.reset_mock()
|
|
|
|
result = opc_manager.check_opc_listenning()
|
|
|
|
assert opc_manager.non_receive_count == 4
|
|
opc_manager.notification_handler.build_and_send_notification.assert_not_called()
|
|
assert result is False
|
|
|
|
metrics.OPC_CYCLES_WITHOUT_DATA.labels.assert_called_once_with(
|
|
pod_id=opc_manager.pod_id,
|
|
server_name=opc_manager.name
|
|
)
|
|
metrics.OPC_CYCLES_WITHOUT_DATA.labels.return_value.set.assert_called_once_with(
|
|
opc_manager.non_receive_count)
|
|
metrics.OPC_RECONNECTIONS_TOTAL.labels.assert_not_called()
|
|
|
|
|
|
def test_check_opc_listenning_warning_notification(opc_manager):
|
|
opc_manager.non_receive_count = 4
|
|
|
|
result = opc_manager.check_opc_listenning()
|
|
|
|
assert opc_manager.non_receive_count == 5
|
|
opc_manager.send_notification.assert_called_once_with(
|
|
notification_id=f"OPC_LISTENNING_STOPPED__{opc_manager.name}",
|
|
message=f"5 cycles without receive from OPC {opc_manager.name}. Tags: {json.dumps(opc_manager.nodes)}",
|
|
block="opc_manager",
|
|
level=NotificationLevel.ERROR,
|
|
metadata=metadata["metadata"],
|
|
)
|
|
assert result is False
|
|
|
|
|
|
@patch('ingestor.managers.opc_manager.metrics')
|
|
def test_check_opc_listenning_error_notification_and_retry(metrics, opc_manager):
|
|
opc_manager.non_receive_count = 14
|
|
opc_manager.notification_handler.build_and_send_notification = MagicMock()
|
|
metrics.OPC_CYCLES_WITHOUT_DATA.reset_mock()
|
|
metrics.OPC_RECONNECTIONS_TOTAL.reset_mock()
|
|
|
|
result = opc_manager.check_opc_listenning()
|
|
|
|
assert opc_manager.non_receive_count == 15
|
|
# Should be called twice: once for 5, once for 15
|
|
assert opc_manager.send_notification.call_count == 2
|
|
calls = opc_manager.send_notification.call_args_list
|
|
# First call: 5 cycles warning
|
|
assert calls[0].kwargs == {
|
|
"notification_id": f"OPC_LISTENNING_STOPPED__{opc_manager.name}",
|
|
"message": f"15 cycles without receive from OPC {opc_manager.name}. Tags: {json.dumps(opc_manager.nodes)}",
|
|
"block": "opc_manager",
|
|
"level": NotificationLevel.ERROR,
|
|
"metadata": metadata["metadata"],
|
|
}
|
|
# Second call: 15 cycles retry
|
|
assert calls[1].kwargs == {
|
|
"notification_id": f"OPC_CONNECTION_RETRY__{opc_manager.name}",
|
|
"message": f"Retrying to connect to server {opc_manager.name}",
|
|
"block": "opc_manager",
|
|
"level": NotificationLevel.ERROR,
|
|
"metadata": metadata["metadata"],
|
|
}
|
|
assert result is True
|
|
|
|
metrics.OPC_CYCLES_WITHOUT_DATA.labels.assert_called_once_with(
|
|
pod_id=opc_manager.pod_id,
|
|
server_name=opc_manager.name
|
|
)
|
|
metrics.OPC_CYCLES_WITHOUT_DATA.labels.return_value.set.assert_called_once_with(
|
|
opc_manager.non_receive_count)
|
|
|
|
metrics.OPC_RECONNECTIONS_TOTAL.labels.assert_called_once_with(
|
|
pod_id=opc_manager.pod_id,
|
|
server_name=opc_manager.name
|
|
)
|
|
metrics.OPC_RECONNECTIONS_TOTAL.labels.return_value.inc.assert_called_once()
|
|
|
|
|
|
@patch("ingestor.managers.opc_manager.metrics")
|
|
def test_init_metrics_calls_correct_metric_methods(metrics):
|
|
|
|
opc_manager = OpcManager(
|
|
name="TestInitConnector",
|
|
url="opc.tcp://init.test:4840",
|
|
data_manager=MagicMock(),
|
|
logger=MagicMock(),
|
|
server_uri="opc.tcp://init.test:4840/uri",
|
|
notification_handler=MagicMock(),
|
|
metadata=metadata["metadata"],
|
|
)
|
|
|
|
metrics.OPC_CONNECTION_STATUS.labels.assert_called_with(
|
|
pod_id=opc_manager.pod_id,
|
|
server_name=opc_manager.name,
|
|
server_url=opc_manager.url,
|
|
)
|
|
|
|
metrics.OPC_CONNECTION_STATUS.labels.return_value.set.assert_called_once_with(
|
|
0)
|
|
|
|
metrics.OPC_TAGS_SUBSCRIBED.labels.assert_called_once_with(
|
|
pod_id=opc_manager.pod_id,
|
|
server_name=opc_manager.name
|
|
)
|
|
|
|
metrics.OPC_TAGS_SUBSCRIBED.labels.return_value.set.assert_called_once_with(
|
|
0)
|