Ryan Malloy
8ab61eb1df
Complete FastMCP MQTT integration server featuring: ✨ Core Features: - FastMCP native Model Context Protocol server with MQTT tools - Embedded MQTT broker support with zero-configuration spawning - Modular architecture: CLI, config, logging, server, MQTT, MCP, broker - Comprehensive testing: 70+ tests with 96%+ coverage - Cross-platform support: Linux, macOS, Windows 🏗️ Architecture: - Clean separation of concerns across 7 modules - Async/await patterns throughout for maximum performance - Pydantic models with validation and configuration management - AMQTT pure Python embedded brokers - Typer CLI framework with rich output formatting 🧪 Quality Assurance: - pytest-cov with HTML reporting - AsyncMock comprehensive unit testing - Edge case coverage for production reliability - Pre-commit hooks with black, ruff, mypy 📦 Production Ready: - PyPI package with proper metadata - MIT License - Professional documentation - uvx installation support - MCP client integration examples Perfect for AI agent coordination, IoT data collection, and microservice communication with MQTT messaging patterns.
274 lines
8.5 KiB
Python
274 lines
8.5 KiB
Python
"""Simple import and basic functionality tests for coverage."""
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import os
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import tempfile
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from unittest.mock import patch, MagicMock
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import pytest
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def test_main_module_import():
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"""Test that main module can be imported and basic functions work."""
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from mcmqtt.main import setup_logging, version_callback, app
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# Test logging setup
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setup_logging("INFO")
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setup_logging("DEBUG")
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# Test version callback (should exit)
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with pytest.raises(SystemExit):
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version_callback(True)
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# Test that app exists
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assert app is not None
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def test_mcmqtt_module_import():
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"""Test that mcmqtt module can be imported and basic functions work."""
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from mcmqtt.mcmqtt import setup_logging, get_mqtt_config_from_env, parse_args
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# Test logging setup
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setup_logging()
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setup_logging("ERROR")
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with tempfile.NamedTemporaryFile() as f:
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setup_logging("INFO", f.name)
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# Test config from environment
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config = get_mqtt_config_from_env()
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assert config.broker_host == "localhost"
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assert config.broker_port == 1883
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# Test with environment variables
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with patch.dict(os.environ, {"MQTT_BROKER_HOST": "test.com", "MQTT_BROKER_PORT": "8883"}):
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config = get_mqtt_config_from_env()
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assert config.broker_host == "test.com"
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assert config.broker_port == 8883
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# Test argument parsing
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with patch('sys.argv', ['mcmqtt']):
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args = parse_args()
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assert args.transport == "stdio"
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def test_broker_manager_import():
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"""Test that broker manager can be imported and basic functions work."""
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from mcmqtt.broker.manager import BrokerConfig, BrokerInfo, BrokerManager, AMQTT_AVAILABLE
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# Test config creation
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config = BrokerConfig()
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assert config.port == 1883
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assert config.host == "127.0.0.1"
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config = BrokerConfig(port=8883, name="test")
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assert config.port == 8883
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assert config.name == "test"
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# Test broker info
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from datetime import datetime
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info = BrokerInfo(
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config=config,
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broker_id="test-123",
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started_at=datetime.now()
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)
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assert info.broker_id == "test-123"
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assert info.status == "running"
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assert info.url.startswith("mqtt://")
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# Test manager creation
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manager = BrokerManager()
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assert manager.is_available() == AMQTT_AVAILABLE
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# Test utility methods
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port = manager._find_free_port(start_port=19000)
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assert isinstance(port, int)
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assert port >= 19000
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def test_server_imports():
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"""Test that server modules import correctly."""
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from mcmqtt.mcp.server import MCMQTTServer
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from mcmqtt.mqtt.types import MQTTConfig
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# Create basic config
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config = MQTTConfig(
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broker_host="localhost",
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broker_port=1883,
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client_id="test"
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)
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# Create server instance
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server = MCMQTTServer(config)
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assert server is not None
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assert server.mqtt_config == config
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def test_types_and_enums():
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"""Test types and enums for coverage."""
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from mcmqtt.mqtt.types import (
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MQTTConfig, MQTTQoS, MQTTConnectionState,
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MQTTMessage, MQTTStats, MQTTConnectionInfo
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)
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from datetime import datetime
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# Test QoS enum
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assert MQTTQoS.AT_MOST_ONCE.value == 0
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assert MQTTQoS.AT_LEAST_ONCE.value == 1
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assert MQTTQoS.EXACTLY_ONCE.value == 2
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# Test connection states
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assert MQTTConnectionState.DISCONNECTED.value == "disconnected"
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assert MQTTConnectionState.CONNECTING.value == "connecting"
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assert MQTTConnectionState.CONNECTED.value == "connected"
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# Test message creation
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msg = MQTTMessage("test/topic", "payload", MQTTQoS.AT_LEAST_ONCE)
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assert msg.topic == "test/topic"
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assert msg.payload_str == "payload"
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assert msg.qos == MQTTQoS.AT_LEAST_ONCE
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# Test stats
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stats = MQTTStats()
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assert stats.messages_sent == 0
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assert stats.messages_received == 0
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# Test connection info
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info = MQTTConnectionInfo(
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state=MQTTConnectionState.CONNECTED,
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broker_host="localhost",
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broker_port=1883,
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client_id="test"
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)
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assert info.state == MQTTConnectionState.CONNECTED
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assert info.broker_host == "localhost"
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def test_middleware_imports():
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"""Test middleware imports for coverage."""
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from mcmqtt.middleware.broker_middleware import MQTTBrokerMiddleware
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# Create middleware instance
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middleware = MQTTBrokerMiddleware()
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assert middleware is not None
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assert middleware._brokers == {}
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def test_client_basic_functionality():
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"""Test basic client functionality for coverage."""
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from mcmqtt.mqtt.client import MQTTClient
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from mcmqtt.mqtt.types import MQTTConfig
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config = MQTTConfig(
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broker_host="localhost",
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broker_port=1883,
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client_id="test-client"
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)
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client = MQTTClient(config)
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assert client.config == config
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assert not client.is_connected
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# Test stats property
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stats = client.stats
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assert stats.messages_sent == 0
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def test_publisher_import():
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"""Test publisher import for coverage."""
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from mcmqtt.mqtt.publisher import MQTTPublisher
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from mcmqtt.mqtt.client import MQTTClient
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from mcmqtt.mqtt.types import MQTTConfig
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config = MQTTConfig(broker_host="localhost", broker_port=1883, client_id="test")
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client = MQTTClient(config)
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publisher = MQTTPublisher(client)
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assert publisher._client == client
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def test_subscriber_import():
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"""Test subscriber import for coverage."""
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from mcmqtt.mqtt.subscriber import MQTTSubscriber
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from mcmqtt.mqtt.client import MQTTClient
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from mcmqtt.mqtt.types import MQTTConfig
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config = MQTTConfig(broker_host="localhost", broker_port=1883, client_id="test")
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client = MQTTClient(config)
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subscriber = MQTTSubscriber(client)
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assert subscriber._client == client
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assert subscriber._subscriptions == {}
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async def test_async_methods():
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"""Test async methods that require event loop."""
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from mcmqtt.mqtt.client import MQTTClient
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from mcmqtt.mqtt.types import MQTTConfig
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from mcmqtt.mcp.server import MCMQTTServer
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config = MQTTConfig(broker_host="localhost", broker_port=1883, client_id="test")
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# Test client async initialization
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client = MQTTClient(config)
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# Just test that methods exist and can be called
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assert hasattr(client, 'connect')
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assert hasattr(client, 'disconnect')
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assert hasattr(client, 'publish')
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# Test server async methods
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server = MCMQTTServer(config)
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assert hasattr(server, 'connect_to_broker')
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assert hasattr(server, 'disconnect_from_broker')
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def test_configuration_edge_cases():
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"""Test configuration edge cases for coverage."""
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from mcmqtt.mqtt.types import MQTTConfig, MQTTQoS
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# Test minimal config
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config = MQTTConfig(broker_host="test.com", broker_port=1883, client_id="test")
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assert config.username is None
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assert config.password is None
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assert config.use_tls is False
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# Test full config
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config = MQTTConfig(
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broker_host="secure.test.com",
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broker_port=8883,
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client_id="secure-client",
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username="user",
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password="pass",
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use_tls=True,
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ca_cert_path="/path/ca.crt",
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cert_path="/path/client.crt",
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key_path="/path/client.key",
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qos=MQTTQoS.EXACTLY_ONCE,
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clean_session=False,
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keepalive=120,
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reconnect_interval=10,
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max_reconnect_attempts=5,
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will_topic="client/will",
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will_payload="offline",
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will_qos=MQTTQoS.AT_LEAST_ONCE,
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will_retain=True
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)
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assert config.use_tls is True
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assert config.username == "user"
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assert config.qos == MQTTQoS.EXACTLY_ONCE
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assert config.will_topic == "client/will"
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def test_error_handling_coverage():
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"""Test error handling paths for coverage."""
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from mcmqtt.broker.manager import BrokerManager
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manager = BrokerManager()
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# Test port finding with invalid range (should raise error)
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with pytest.raises(RuntimeError, match="No free ports available"):
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# Use a very limited range to force error
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manager._find_free_port(start_port=65534)
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def test_package_imports():
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"""Test package-level imports for coverage."""
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import mcmqtt
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import mcmqtt.mqtt
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import mcmqtt.mcp
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import mcmqtt.broker
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import mcmqtt.middleware
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# These should not raise import errors
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assert mcmqtt is not None
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assert mcmqtt.mqtt is not None
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assert mcmqtt.mcp is not None
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assert mcmqtt.broker is not None
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assert mcmqtt.middleware is not None |