public async Task TestInitialConfigUpdate_WaitForInit()
{
// Arrange
string id = "id";
string iotHub = "foo.azure-devices.net";
var routerConfig = new RouterConfig(Enumerable.Empty<Route>());
var messageStore = new Mock<IMessageStore>();
messageStore.Setup(m => m.SetTimeToLive(It.IsAny<TimeSpan>()));
TimeSpan updateFrequency = TimeSpan.FromSeconds(10);
Endpoint GetEndpoint() => new ModuleEndpoint("id", Guid.NewGuid().ToString(), "in1", Mock.Of<IConnectionManager>(), Mock.Of<Core.IMessageConverter<IMessage>>());
var endpointFactory = new Mock<IEndpointFactory>();
endpointFactory.Setup(e => e.CreateSystemEndpoint($"$upstream")).Returns(GetEndpoint);
var routeFactory = new EdgeRouteFactory(endpointFactory.Object);
var endpointExecutorFactory = new Mock<IEndpointExecutorFactory>();
endpointExecutorFactory.Setup(e => e.CreateAsync(It.IsAny<Endpoint>()))
.Returns<Endpoint>(endpoint => Task.FromResult(Mock.Of<IEndpointExecutor>(e => e.Endpoint == endpoint)));
Router router = await Router.CreateAsync(id, iotHub, routerConfig, endpointExecutorFactory.Object);
var routes1 = Routes.Take(2)
.ToDictionary(r => r.Key, r => new RouteConfig(r.Key, r.Value, routeFactory.Create(r.Value)));
var storeAndForwardConfiguration1 = new StoreAndForwardConfiguration(7200);
var edgeHubConfig1 = new EdgeHubConfig("1.0", routes1, storeAndForwardConfiguration1);
var configProvider = new Mock<IConfigSource>();
configProvider.SetupSequence(c => c.GetConfig())
.Returns(async () =>
{
await Task.Delay(5000);
return Option.Some(edgeHubConfig1);
});
configProvider.Setup(c => c.SetConfigUpdatedCallback(It.IsAny<Func<EdgeHubConfig, Task>>()));
// Act
var configUpdater = new ConfigUpdater(router, messageStore.Object, updateFrequency, Option.None<IConfigSource>());
await configUpdater.Init(configProvider.Object);
// Assert
Assert.Equal(2, router.Routes.Count);
// After 6 seconds no updates
await Task.Delay(TimeSpan.FromSeconds(6));
Assert.Equal(2, router.Routes.Count);
}
static async Task <(IEdgeHub, IConnectionManager)> SetupEdgeHub(IEnumerable <string> routes, IoTHub iotHub, string edgeDeviceId)
{
string iotHubName = "testHub";
Routing.UserMetricLogger = NullRoutingUserMetricLogger.Instance;
Routing.PerfCounter = NullRoutingPerfCounter.Instance;
Routing.UserAnalyticsLogger = NullUserAnalyticsLogger.Instance;
RetryStrategy defaultRetryStrategy = new FixedInterval(0, TimeSpan.FromSeconds(1));
TimeSpan defaultRevivePeriod = TimeSpan.FromHours(1);
TimeSpan defaultTimeout = TimeSpan.FromSeconds(60);
var endpointExecutorConfig = new EndpointExecutorConfig(defaultTimeout, defaultRetryStrategy, defaultRevivePeriod, true);
var cloudProxy = new Mock <ICloudProxy>();
cloudProxy.Setup(c => c.SendMessageAsync(It.IsAny <IMessage>())).Callback <IMessage>(m => iotHub.ReceivedMessages.Add(m)).Returns(Task.CompletedTask);
cloudProxy.Setup(c => c.SendMessageBatchAsync(It.IsAny <IEnumerable <IMessage> >())).Callback <IEnumerable <IMessage> >(m => iotHub.ReceivedMessages.AddRange(m)).Returns(Task.CompletedTask);
cloudProxy.Setup(c => c.UpdateReportedPropertiesAsync(It.IsAny <IMessage>())).Callback <IMessage>(m => iotHub.ReceivedMessages.Add(m)).Returns(Task.CompletedTask);
cloudProxy.SetupGet(c => c.IsActive).Returns(true);
var cloudConnection = Mock.Of <ICloudConnection>(c => c.IsActive && c.CloudProxy == Option.Some(cloudProxy.Object));
var cloudConnectionProvider = new Mock <ICloudConnectionProvider>();
cloudConnectionProvider.Setup(c => c.Connect(It.IsAny <IClientCredentials>(), It.IsAny <Action <string, CloudConnectionStatus> >())).ReturnsAsync(Try.Success(cloudConnection));
var deviceConnectivityManager = Mock.Of <IDeviceConnectivityManager>();
IConnectionManager connectionManager = new ConnectionManager(cloudConnectionProvider.Object, Mock.Of <ICredentialsCache>(), new IdentityProvider(iotHubName), deviceConnectivityManager);
var routingMessageConverter = new RoutingMessageConverter();
RouteFactory routeFactory = new EdgeRouteFactory(new EndpointFactory(connectionManager, routingMessageConverter, edgeDeviceId, 10, 10));
IEnumerable <Route> routesList = routeFactory.Create(routes).ToList();
IEnumerable <Endpoint> endpoints = routesList.Select(r => r.Endpoint);
var routerConfig = new RouterConfig(endpoints, routesList);
IDbStoreProvider dbStoreProvider = new InMemoryDbStoreProvider();
IStoreProvider storeProvider = new StoreProvider(dbStoreProvider);
IMessageStore messageStore = new MessageStore(storeProvider, CheckpointStore.Create(storeProvider), TimeSpan.MaxValue);
IEndpointExecutorFactory endpointExecutorFactory = new StoringAsyncEndpointExecutorFactory(endpointExecutorConfig, new AsyncEndpointExecutorOptions(1, TimeSpan.FromMilliseconds(10)), messageStore);
Router router = await Router.CreateAsync(Guid.NewGuid().ToString(), iotHubName, routerConfig, endpointExecutorFactory);
ITwinManager twinManager = new TwinManager(connectionManager, new TwinCollectionMessageConverter(), new TwinMessageConverter(), Option.None <IEntityStore <string, TwinInfo> >());
var invokeMethodHandler = Mock.Of <IInvokeMethodHandler>();
var subscriptionProcessor = new SubscriptionProcessor(connectionManager, invokeMethodHandler, deviceConnectivityManager);
IEdgeHub edgeHub = new RoutingEdgeHub(router, routingMessageConverter, connectionManager, twinManager, edgeDeviceId, invokeMethodHandler, subscriptionProcessor);
return(edgeHub, connectionManager);
}
async Task <(IMessageConsumer, IMessageConsumer, NullBrokerConnector)> SetupEnvironment()
{
Routing.UserMetricLogger = NullRoutingUserMetricLogger.Instance;
Routing.PerfCounter = NullRoutingPerfCounter.Instance;
Routing.UserAnalyticsLogger = NullUserAnalyticsLogger.Instance;
var defaultRetryStrategy = new FixedInterval(5, TimeSpan.FromSeconds(5));
var defaultRevivePeriod = TimeSpan.FromHours(1);
var defaultTimeout = TimeSpan.FromSeconds(60);
var endpointExecutorConfig = new EndpointExecutorConfig(defaultTimeout, defaultRetryStrategy, defaultRevivePeriod, true);
var cloudProxyDispatcher = new BrokeredCloudProxyDispatcher();
var cloudConnectionProvider = new BrokeredCloudConnectionProvider(cloudProxyDispatcher);
var identityProvider = new IdentityProvider(iotHubName);
var deviceConnectivityManager = new BrokeredDeviceConnectivityManager(cloudProxyDispatcher);
var connectionManager = new ConnectionManager(cloudConnectionProvider, Mock.Of <ICredentialsCache>(), new IdentityProvider(iotHubName), deviceConnectivityManager);
var routingMessageConverter = new RoutingMessageConverter();
var routeFactory = new EdgeRouteFactory(new EndpointFactory(connectionManager, routingMessageConverter, edgeDeviceId, 10, 10));
var routesList = new[] { routeFactory.Create("FROM /messages INTO $upstream") };
var endpoints = routesList.Select(r => r.Endpoint);
var routerConfig = new RouterConfig(endpoints, routesList);
var dbStoreProvider = new InMemoryDbStoreProvider();
var storeProvider = new StoreProvider(dbStoreProvider);
var messageStore = new MessageStore(storeProvider, CheckpointStore.Create(storeProvider), TimeSpan.MaxValue, false, 1800);
var endpointExecutorFactory = new StoringAsyncEndpointExecutorFactory(endpointExecutorConfig, new AsyncEndpointExecutorOptions(1, TimeSpan.FromMilliseconds(10)), messageStore);
var router = await Router.CreateAsync(Guid.NewGuid().ToString(), iotHubName, routerConfig, endpointExecutorFactory);
var messageConverterProvider = new MessageConverterProvider(
new Dictionary <Type, IMessageConverter>()
{
{ typeof(Twin), new TwinMessageConverter() },
{ typeof(TwinCollection), new TwinCollectionMessageConverter() }
});
var twinManager = TwinManager.CreateTwinManager(connectionManager, messageConverterProvider, Option.None <IStoreProvider>());
var invokeMethodHandler = Mock.Of <IInvokeMethodHandler>();
var subscriptionProcessor = new SubscriptionProcessor(connectionManager, invokeMethodHandler, deviceConnectivityManager);
var edgeHub = new RoutingEdgeHub(router, routingMessageConverter, connectionManager, twinManager, edgeDeviceId, edgeModuleName, invokeMethodHandler, subscriptionProcessor, Mock.Of <IDeviceScopeIdentitiesCache>());
var brokerConnector = new NullBrokerConnector(cloudProxyDispatcher);
cloudProxyDispatcher.SetConnector(brokerConnector);
cloudProxyDispatcher.BindEdgeHub(edgeHub);
var connectionProvider = new ConnectionProvider(connectionManager, edgeHub, TimeSpan.FromSeconds(30));
var authenticator = new NullAuthenticator();
var edgeHubIdentity = new ModuleIdentity(iotHubName, edgeDeviceId, edgeModuleName);
var tokenCredentials = new TokenCredentials(edgeHubIdentity, "qwerty", "test-product", Option.Some("test-model"), Option.None <string>(), false);
var systemComponentProvider = new SystemComponentIdProvider(tokenCredentials);
var connectionHandler = default(ConnectionHandler);
connectionHandler = new ConnectionHandler(
Task.FromResult <IConnectionProvider>(connectionProvider),
Task.FromResult <IAuthenticator>(authenticator),
identityProvider,
systemComponentProvider,
DeviceProxyFactory);
DeviceProxy DeviceProxyFactory(IIdentity identity, bool isDirectClient)
{
return(new DeviceProxy(identity, isDirectClient, connectionHandler, Mock.Of <ITwinHandler>(), Mock.Of <IModuleToModuleMessageHandler>(), Mock.Of <ICloud2DeviceMessageHandler>(), Mock.Of <IDirectMethodHandler>()));
}
var cloud2DeviceMessageHandler = new Cloud2DeviceMessageHandler(connectionHandler);
var moduleToModuleMessageHandler = new ModuleToModuleMessageHandler(connectionHandler, identityProvider, new ModuleToModuleResponseTimeout(TimeSpan.FromSeconds(10)));
var directMethodHandler = new DirectMethodHandler(connectionHandler, identityProvider);
var twinHandler = new TwinHandler(connectionHandler, identityProvider);
var subscriptionChangeHandler = new SubscriptionChangeHandler(
cloud2DeviceMessageHandler,
moduleToModuleMessageHandler,
directMethodHandler,
twinHandler,
connectionHandler,
identityProvider);
return(subscriptionChangeHandler, cloudProxyDispatcher, brokerConnector);
}
public async Task TestPeriodicConfigUpdate()
{
// Arrange
string id = "id";
string iotHub = "foo.azure-devices.net";
var routerConfig = new RouterConfig(Enumerable.Empty <Route>());
var messageStore = new Mock <IMessageStore>();
messageStore.Setup(m => m.SetTimeToLive(It.IsAny <TimeSpan>()));
TimeSpan updateFrequency = TimeSpan.FromSeconds(10);
Endpoint GetEndpoint() => new ModuleEndpoint("id", Guid.NewGuid().ToString(), "in1", Mock.Of <IConnectionManager>(), Mock.Of <Core.IMessageConverter <IMessage> >());
var endpointFactory = new Mock <IEndpointFactory>();
endpointFactory.Setup(e => e.CreateSystemEndpoint($"$upstream")).Returns(GetEndpoint);
var routeFactory = new EdgeRouteFactory(endpointFactory.Object);
var endpointExecutorFactory = new Mock <IEndpointExecutorFactory>();
endpointExecutorFactory.Setup(e => e.CreateAsync(It.IsAny <Endpoint>()))
.Returns <Endpoint>(endpoint => Task.FromResult(Mock.Of <IEndpointExecutor>(e => e.Endpoint == endpoint)));
Router router = await Router.CreateAsync(id, iotHub, routerConfig, endpointExecutorFactory.Object);
var routes1 = Routes.Take(2)
.ToDictionary(r => r.Key, r => new RouteConfig(r.Key, r.Value, routeFactory.Create(r.Value)));
var storeAndForwardConfiguration1 = new StoreAndForwardConfiguration(7200);
var edgeHubConfig1 = new EdgeHubConfig("1.0", routes1, storeAndForwardConfiguration1);
var routes2 = Routes.Take(2)
.ToDictionary(r => r.Key, r => new RouteConfig(r.Key, r.Value, routeFactory.Create(r.Value)));
var storeAndForwardConfiguration2 = new StoreAndForwardConfiguration(7200);
var edgeHubConfig2 = new EdgeHubConfig("1.0", routes2, storeAndForwardConfiguration2);
var routes3 = Routes.Take(2)
.ToDictionary(r => r.Key, r => new RouteConfig(r.Key, r.Value, routeFactory.Create(r.Value)));
var storeAndForwardConfiguration3 = new StoreAndForwardConfiguration(7200);
var edgeHubConfig3 = new EdgeHubConfig("1.0", routes3, storeAndForwardConfiguration3);
var routes4 = Routes.Skip(2)
.ToDictionary(r => r.Key, r => new RouteConfig(r.Key, r.Value, routeFactory.Create(r.Value)));
var storeAndForwardConfiguration4 = new StoreAndForwardConfiguration(7200);
var edgeHubConfig4 = new EdgeHubConfig("1.0", routes4, storeAndForwardConfiguration4);
var routes5 = Routes
.ToDictionary(r => r.Key, r => new RouteConfig(r.Key, r.Value, routeFactory.Create(r.Value)));
var storeAndForwardConfiguration5 = new StoreAndForwardConfiguration(7200);
var edgeHubConfig5 = new EdgeHubConfig("1.0", routes5, storeAndForwardConfiguration5);
var routes6 = Routes
.ToDictionary(r => r.Key, r => new RouteConfig(r.Key, r.Value, routeFactory.Create(r.Value)));
var storeAndForwardConfiguration6 = new StoreAndForwardConfiguration(3600);
var edgeHubConfig6 = new EdgeHubConfig("1.0", routes6, storeAndForwardConfiguration6);
var configProvider = new Mock <IConfigSource>();
configProvider.SetupSequence(c => c.GetConfig())
.ReturnsAsync(Option.Some(edgeHubConfig1))
.ReturnsAsync(Option.Some(edgeHubConfig2))
.ReturnsAsync(Option.Some(edgeHubConfig3))
.ReturnsAsync(Option.Some(edgeHubConfig4))
.ReturnsAsync(Option.Some(edgeHubConfig5))
.ReturnsAsync(Option.Some(edgeHubConfig6));
configProvider.Setup(c => c.SetConfigUpdatedCallback(It.IsAny <Func <EdgeHubConfig, Task> >()));
// Act
var configUpdater = new ConfigUpdater(router, messageStore.Object, updateFrequency);
configUpdater.Init(configProvider.Object);
// Assert
await Task.Delay(TimeSpan.FromSeconds(8));
configProvider.Verify(c => c.GetConfig(), Times.Once);
endpointExecutorFactory.Verify(e => e.CreateAsync(It.IsAny <Endpoint>()), Times.Once);
messageStore.Verify(m => m.SetTimeToLive(It.IsAny <TimeSpan>()), Times.Once);
await Task.Delay(TimeSpan.FromSeconds(20));
configProvider.Verify(c => c.GetConfig(), Times.Exactly(3));
endpointExecutorFactory.Verify(e => e.CreateAsync(It.IsAny <Endpoint>()), Times.Once);
messageStore.Verify(m => m.SetTimeToLive(It.IsAny <TimeSpan>()), Times.Once);
await Task.Delay(TimeSpan.FromSeconds(10));
configProvider.Verify(c => c.GetConfig(), Times.Exactly(4));
endpointExecutorFactory.Verify(e => e.CreateAsync(It.IsAny <Endpoint>()), Times.Once);
messageStore.Verify(m => m.SetTimeToLive(It.IsAny <TimeSpan>()), Times.Exactly(2));
await Task.Delay(TimeSpan.FromSeconds(10));
configProvider.Verify(c => c.GetConfig(), Times.Exactly(5));
endpointExecutorFactory.Verify(e => e.CreateAsync(It.IsAny <Endpoint>()), Times.Once);
messageStore.Verify(m => m.SetTimeToLive(It.IsAny <TimeSpan>()), Times.Exactly(3));
await Task.Delay(TimeSpan.FromSeconds(10));
configProvider.Verify(c => c.GetConfig(), Times.Exactly(6));
endpointExecutorFactory.Verify(e => e.CreateAsync(It.IsAny <Endpoint>()), Times.Once);
messageStore.Verify(m => m.SetTimeToLive(It.IsAny <TimeSpan>()), Times.Exactly(4));
}
public async Task TestPeriodicAndCallbackConfigUpdate()
{
// Arrange
string id = "id";
string iotHub = "foo.azure-devices.net";
var routerConfig = new RouterConfig(Enumerable.Empty <Route>());
var messageStore = new Mock <IMessageStore>();
messageStore.Setup(m => m.SetTimeToLive(It.IsAny <TimeSpan>()));
var storageSpaceChecker = new Mock <IStorageSpaceChecker>();
storageSpaceChecker.Setup(m => m.SetMaxSizeBytes(It.IsAny <Option <long> >()));
TimeSpan updateFrequency = TimeSpan.FromSeconds(10);
Endpoint GetEndpoint() => new ModuleEndpoint("id", Guid.NewGuid().ToString(), "in1", Mock.Of <IConnectionManager>(), Mock.Of <Core.IMessageConverter <IMessage> >());
var endpointFactory = new Mock <IEndpointFactory>();
endpointFactory.Setup(e => e.CreateSystemEndpoint($"$upstream")).Returns(GetEndpoint);
var routeFactory = new EdgeRouteFactory(endpointFactory.Object);
var endpointExecutorFactory = new Mock <IEndpointExecutorFactory>();
endpointExecutorFactory.Setup(e => e.CreateAsync(It.IsAny <Endpoint>(), It.IsAny <IList <uint> >()))
.Returns <Endpoint, IList <uint> >((endpoint, priorities) => Task.FromResult(Mock.Of <IEndpointExecutor>(e => e.Endpoint == endpoint)));
Router router = await Router.CreateAsync(id, iotHub, routerConfig, endpointExecutorFactory.Object);
var routes1 = Routes.Take(2)
.ToDictionary(r => r.Key, r => new RouteConfig(r.Key, r.Value, routeFactory.Create(r.Value)));
var storeAndForwardConfiguration1 = new StoreAndForwardConfiguration(7200);
var edgeHubConfig1 = new EdgeHubConfig("1.0", routes1, storeAndForwardConfiguration1);
var routes2 = Routes.Take(3)
.ToDictionary(r => r.Key, r => new RouteConfig(r.Key, r.Value, routeFactory.Create(r.Value)));
var storeAndForwardConfiguration2 = new StoreAndForwardConfiguration(7200);
var edgeHubConfig2 = new EdgeHubConfig("1.0", routes2, storeAndForwardConfiguration2);
var routes3 = Routes.Take(4)
.ToDictionary(r => r.Key, r => new RouteConfig(r.Key, r.Value, routeFactory.Create(r.Value)));
var storeAndForwardConfiguration3 = new StoreAndForwardConfiguration(7200);
var edgeHubConfig3 = new EdgeHubConfig("1.0", routes3, storeAndForwardConfiguration3);
Func <EdgeHubConfig, Task> updateCallback = null;
var configProvider = new Mock <IConfigSource>();
configProvider.SetupSequence(c => c.GetConfig())
.ReturnsAsync(Option.Some(edgeHubConfig1))
.ReturnsAsync(Option.Some(edgeHubConfig2))
.ReturnsAsync(Option.Some(edgeHubConfig3));
configProvider.Setup(c => c.SetConfigUpdatedCallback(It.IsAny <Func <EdgeHubConfig, Task> >()))
.Callback <Func <EdgeHubConfig, Task> >(callback => { updateCallback = callback; });
configProvider.Setup(c => c.GetCachedConfig())
.Returns(() => Task.FromResult(Option.None <EdgeHubConfig>()));
// Act
var configUpdater = new ConfigUpdater(router, messageStore.Object, updateFrequency, storageSpaceChecker.Object);
await configUpdater.Init(configProvider.Object);
// Assert
configProvider.Verify(c => c.GetConfig(), Times.Once);
endpointExecutorFactory.Verify(e => e.CreateAsync(It.IsAny <Endpoint>(), It.IsAny <IList <uint> >()), Times.Once);
messageStore.Verify(m => m.SetTimeToLive(It.IsAny <TimeSpan>()), Times.Once);
storageSpaceChecker.Verify(m => m.SetMaxSizeBytes(It.Is <Option <long> >(x => x.Equals(Option.None <long>()))), Times.Once);
// call update with no changes
await updateCallback(edgeHubConfig1);
configProvider.Verify(c => c.GetConfig(), Times.Exactly(1));
endpointExecutorFactory.Verify(e => e.CreateAsync(It.IsAny <Endpoint>(), It.IsAny <IList <uint> >()), Times.Once);
messageStore.Verify(m => m.SetTimeToLive(It.IsAny <TimeSpan>()), Times.Once);
storageSpaceChecker.Verify(m => m.SetMaxSizeBytes(It.Is <Option <long> >(x => x.Equals(Option.None <long>()))), Times.Once);
await Task.Delay(TimeSpan.FromSeconds(12));
configProvider.Verify(c => c.GetConfig(), Times.Exactly(2));
endpointExecutorFactory.Verify(e => e.CreateAsync(It.IsAny <Endpoint>(), It.IsAny <IList <uint> >()), Times.Once);
messageStore.Verify(m => m.SetTimeToLive(It.IsAny <TimeSpan>()), Times.Exactly(2));
storageSpaceChecker.Verify(m => m.SetMaxSizeBytes(It.Is <Option <long> >(x => x.Equals(Option.None <long>()))), Times.Exactly(2));
// call update with changes
await updateCallback(edgeHubConfig3);
configProvider.Verify(c => c.GetConfig(), Times.Exactly(2));
endpointExecutorFactory.Verify(e => e.CreateAsync(It.IsAny <Endpoint>(), It.IsAny <IList <uint> >()), Times.Once);
messageStore.Verify(m => m.SetTimeToLive(It.IsAny <TimeSpan>()), Times.Exactly(3));
storageSpaceChecker.Verify(m => m.SetMaxSizeBytes(It.Is <Option <long> >(x => x.Equals(Option.None <long>()))), Times.Exactly(3));
await Task.Delay(TimeSpan.FromSeconds(10));
configProvider.Verify(c => c.GetConfig(), Times.Exactly(3));
endpointExecutorFactory.Verify(e => e.CreateAsync(It.IsAny <Endpoint>(), It.IsAny <IList <uint> >()), Times.Once);
messageStore.Verify(m => m.SetTimeToLive(It.IsAny <TimeSpan>()), Times.Exactly(3));
storageSpaceChecker.Verify(m => m.SetMaxSizeBytes(It.Is <Option <long> >(x => x.Equals(Option.None <long>()))), Times.Exactly(3));
}
public async Task TestInitialConfigUpdate_NoWaitForInit()
{
// Arrange
string id = "id";
string iotHub = "foo.azure-devices.net";
var routerConfig = new RouterConfig(Enumerable.Empty <Route>());
var messageStore = new Mock <IMessageStore>();
messageStore.Setup(m => m.SetTimeToLive(It.IsAny <TimeSpan>()));
var storageSpaceChecker = new Mock <IStorageSpaceChecker>();
storageSpaceChecker.Setup(m => m.SetMaxSizeBytes(It.IsAny <Option <long> >()));
TimeSpan updateFrequency = TimeSpan.FromMinutes(10);
Endpoint GetEndpoint() => new ModuleEndpoint("id", Guid.NewGuid().ToString(), "in1", Mock.Of <IConnectionManager>(), Mock.Of <Core.IMessageConverter <IMessage> >());
var endpointFactory = new Mock <IEndpointFactory>();
endpointFactory.Setup(e => e.CreateSystemEndpoint($"$upstream")).Returns(GetEndpoint);
var routeFactory = new EdgeRouteFactory(endpointFactory.Object);
var endpointExecutorFactory = new Mock <IEndpointExecutorFactory>();
endpointExecutorFactory.Setup(e => e.CreateAsync(It.IsAny <Endpoint>(), It.IsAny <IList <uint> >(), It.IsAny <ICheckpointerFactory>()))
.Returns <Endpoint, IList <uint>, ICheckpointerFactory>((endpoint, priorities, checkpointerFactory) => Task.FromResult(Mock.Of <IEndpointExecutor>(e => e.Endpoint == endpoint)));
Router router = await Router.CreateAsync(id, iotHub, routerConfig, endpointExecutorFactory.Object);
var routes1 = Routes.Take(2)
.ToDictionary(r => r.Key, r => new RouteConfig(r.Key, r.Value, routeFactory.Create(r.Value)));
var storeAndForwardConfiguration1 = new StoreAndForwardConfiguration(7200);
var edgeHubConfig1 = new EdgeHubConfig("1.0", routes1, storeAndForwardConfiguration1, Option.None <BrokerConfig>(), Option.None <ManifestIntegrity>());
var routes2 = Routes.Take(3)
.ToDictionary(r => r.Key, r => new RouteConfig(r.Key, r.Value, routeFactory.Create(r.Value)));
var storeAndForwardConfiguration2 = new StoreAndForwardConfiguration(7200);
var edgeHubConfig2 = new EdgeHubConfig("1.0", routes2, storeAndForwardConfiguration2, Option.None <BrokerConfig>(), Option.None <ManifestIntegrity>());
var configProvider = new Mock <IConfigSource>();
configProvider.SetupSequence(c => c.GetConfig())
.Returns(async() =>
{
await Task.Delay(5000);
return(Option.Some(edgeHubConfig2));
});
configProvider.Setup(c => c.GetCachedConfig())
.Returns(() => Task.FromResult(Option.Some(edgeHubConfig1)));
// Act
var configUpdater = new ConfigUpdater(router, messageStore.Object, updateFrequency, storageSpaceChecker.Object);
await configUpdater.Init(configProvider.Object);
// Assert
// First only has updated from prefeched config
Assert.Equal(2, router.Routes.Count);
// After 6 seconds updates from init received
await Task.Delay(TimeSpan.FromSeconds(6));
Assert.Equal(3, router.Routes.Count);
}
public async Task TestPeriodicConfigUpdate()
{
// Arrange
string id = "id";
string iotHub = "foo.azure-devices.net";
var routerConfig = new RouterConfig(Enumerable.Empty <Route>());
var messageStore = new Mock <IMessageStore>();
messageStore.Setup(m => m.SetTimeToLive(It.IsAny <TimeSpan>()));
var storageSpaceChecker = new Mock <IStorageSpaceChecker>();
storageSpaceChecker.Setup(m => m.SetMaxSizeBytes(It.IsAny <Option <long> >()));
TimeSpan updateFrequency = TimeSpan.FromSeconds(10);
Endpoint GetEndpoint() => new ModuleEndpoint("id", Guid.NewGuid().ToString(), "in1", Mock.Of <IConnectionManager>(), Mock.Of <Core.IMessageConverter <IMessage> >());
var endpointFactory = new Mock <IEndpointFactory>();
endpointFactory.Setup(e => e.CreateSystemEndpoint($"$upstream")).Returns(GetEndpoint);
var routeFactory = new EdgeRouteFactory(endpointFactory.Object);
var endpointExecutorFactory = new Mock <IEndpointExecutorFactory>();
endpointExecutorFactory.Setup(e => e.CreateAsync(It.IsAny <Endpoint>(), It.IsAny <IList <uint> >(), It.IsAny <ICheckpointerFactory>()))
.Returns <Endpoint, IList <uint>, ICheckpointerFactory>((endpoint, priorities, checkpointerFactory) => Task.FromResult(Mock.Of <IEndpointExecutor>(e => e.Endpoint == endpoint)));
Router router = await Router.CreateAsync(id, iotHub, routerConfig, endpointExecutorFactory.Object);
var routes1 = Routes.Take(2)
.ToDictionary(r => r.Key, r => new RouteConfig(r.Key, r.Value, routeFactory.Create(r.Value)));
var storeAndForwardConfiguration1 = new StoreAndForwardConfiguration(7200);
var edgeHubConfig1 = new EdgeHubConfig("1.0", routes1, storeAndForwardConfiguration1, Option.None <BrokerConfig>(), Option.None <ManifestIntegrity>());
var routes2 = Routes.Take(2)
.ToDictionary(r => r.Key, r => new RouteConfig(r.Key, r.Value, routeFactory.Create(r.Value)));
var storeAndForwardConfiguration2 = new StoreAndForwardConfiguration(7200);
var edgeHubConfig2 = new EdgeHubConfig("1.0", routes2, storeAndForwardConfiguration2, Option.None <BrokerConfig>(), Option.None <ManifestIntegrity>());
var routes3 = Routes.Take(2)
.ToDictionary(r => r.Key, r => new RouteConfig(r.Key, r.Value, routeFactory.Create(r.Value)));
var storeAndForwardConfiguration3 = new StoreAndForwardConfiguration(7200);
var edgeHubConfig3 = new EdgeHubConfig("1.0", routes3, storeAndForwardConfiguration3, Option.None <BrokerConfig>(), Option.None <ManifestIntegrity>());
var routes4 = Routes.Skip(2)
.ToDictionary(r => r.Key, r => new RouteConfig(r.Key, r.Value, routeFactory.Create(r.Value)));
var storeAndForwardConfiguration4 = new StoreAndForwardConfiguration(7200);
var edgeHubConfig4 = new EdgeHubConfig("1.0", routes4, storeAndForwardConfiguration4, Option.None <BrokerConfig>(), Option.None <ManifestIntegrity>());
var routes5 = Routes
.ToDictionary(r => r.Key, r => new RouteConfig(r.Key, r.Value, routeFactory.Create(r.Value)));
var storeAndForwardConfiguration5 = new StoreAndForwardConfiguration(7200);
var edgeHubConfig5 = new EdgeHubConfig("1.0", routes5, storeAndForwardConfiguration5, Option.None <BrokerConfig>(), Option.None <ManifestIntegrity>());
var routes6 = Routes
.ToDictionary(r => r.Key, r => new RouteConfig(r.Key, r.Value, routeFactory.Create(r.Value)));
var storeAndForwardConfiguration6 = new StoreAndForwardConfiguration(3600);
var edgeHubConfig6 = new EdgeHubConfig("1.0", routes6, storeAndForwardConfiguration6, Option.None <BrokerConfig>(), Option.None <ManifestIntegrity>());
var routes7 = Routes
.ToDictionary(r => r.Key, r => new RouteConfig(r.Key, r.Value, routeFactory.Create(r.Value)));
var storeAndForwardConfiguration7 = new StoreAndForwardConfiguration(3600, new StoreLimits(10L));
var edgeHubConfig7 = new EdgeHubConfig("1.0", routes7, storeAndForwardConfiguration7, Option.None <BrokerConfig>(), Option.None <ManifestIntegrity>());
var routes8 = Routes
.ToDictionary(r => r.Key, r => new RouteConfig(r.Key, r.Value, routeFactory.Create(r.Value)));
var storeAndForwardConfiguration8 = new StoreAndForwardConfiguration(3600, new StoreLimits(20L));
var edgeHubConfig8 = new EdgeHubConfig("1.0", routes8, storeAndForwardConfiguration8, Option.None <BrokerConfig>(), Option.None <ManifestIntegrity>());
var configProvider = new Mock <IConfigSource>();
configProvider.SetupSequence(c => c.GetConfig())
.ReturnsAsync(Option.Some(edgeHubConfig1))
.ReturnsAsync(Option.Some(edgeHubConfig2))
.ReturnsAsync(Option.Some(edgeHubConfig3))
.ReturnsAsync(Option.Some(edgeHubConfig4))
.ReturnsAsync(Option.Some(edgeHubConfig5))
.ReturnsAsync(Option.Some(edgeHubConfig6))
.ReturnsAsync(Option.Some(edgeHubConfig7))
.ReturnsAsync(Option.Some(edgeHubConfig8))
.ReturnsAsync(Option.Some(edgeHubConfig8));
configProvider.Setup(c => c.GetCachedConfig())
.Returns(() => Task.FromResult(Option.None <EdgeHubConfig>()));
// Act
var configUpdater = new ConfigUpdater(router, messageStore.Object, updateFrequency, storageSpaceChecker.Object);
await configUpdater.Init(configProvider.Object);
// Assert
configProvider.Verify(c => c.GetConfig(), Times.Once);
endpointExecutorFactory.Verify(e => e.CreateAsync(It.IsAny <Endpoint>(), It.IsAny <IList <uint> >(), It.IsAny <ICheckpointerFactory>()), Times.Once);
messageStore.Verify(m => m.SetTimeToLive(It.IsAny <TimeSpan>()), Times.Once);
storageSpaceChecker.Verify(m => m.SetMaxSizeBytes(It.Is <Option <long> >(x => x.Equals(Option.None <long>()))), Times.Once);
// After 5 seconds, the periodic task should not have run.
await Task.Delay(TimeSpan.FromSeconds(5));
configProvider.Verify(c => c.GetConfig(), Times.Once);
endpointExecutorFactory.Verify(e => e.CreateAsync(It.IsAny <Endpoint>(), It.IsAny <IList <uint> >(), It.IsAny <ICheckpointerFactory>()), Times.Once);
messageStore.Verify(m => m.SetTimeToLive(It.IsAny <TimeSpan>()), Times.Once);
storageSpaceChecker.Verify(m => m.SetMaxSizeBytes(It.Is <Option <long> >(x => x.Equals(Option.None <long>()))), Times.Once);
await Task.Delay(TimeSpan.FromSeconds(20));
configProvider.Verify(c => c.GetConfig(), Times.Exactly(3));
endpointExecutorFactory.Verify(e => e.CreateAsync(It.IsAny <Endpoint>(), It.IsAny <IList <uint> >(), It.IsAny <ICheckpointerFactory>()), Times.Once);
messageStore.Verify(m => m.SetTimeToLive(It.IsAny <TimeSpan>()), Times.Exactly(3));
storageSpaceChecker.Verify(m => m.SetMaxSizeBytes(It.Is <Option <long> >(x => x.Equals(Option.None <long>()))), Times.Exactly(3));
await Task.Delay(TimeSpan.FromSeconds(10));
configProvider.Verify(c => c.GetConfig(), Times.Exactly(4));
endpointExecutorFactory.Verify(e => e.CreateAsync(It.IsAny <Endpoint>(), It.IsAny <IList <uint> >(), It.IsAny <ICheckpointerFactory>()), Times.Once);
messageStore.Verify(m => m.SetTimeToLive(It.IsAny <TimeSpan>()), Times.Exactly(4));
storageSpaceChecker.Verify(m => m.SetMaxSizeBytes(It.Is <Option <long> >(x => x.Equals(Option.None <long>()))), Times.Exactly(4));
await Task.Delay(TimeSpan.FromSeconds(10));
configProvider.Verify(c => c.GetConfig(), Times.Exactly(5));
endpointExecutorFactory.Verify(e => e.CreateAsync(It.IsAny <Endpoint>(), It.IsAny <IList <uint> >(), It.IsAny <ICheckpointerFactory>()), Times.Once);
messageStore.Verify(m => m.SetTimeToLive(It.IsAny <TimeSpan>()), Times.Exactly(5));
storageSpaceChecker.Verify(m => m.SetMaxSizeBytes(It.Is <Option <long> >(x => x.Equals(Option.None <long>()))), Times.Exactly(5));
await Task.Delay(TimeSpan.FromSeconds(10));
configProvider.Verify(c => c.GetConfig(), Times.Exactly(6));
endpointExecutorFactory.Verify(e => e.CreateAsync(It.IsAny <Endpoint>(), It.IsAny <IList <uint> >(), It.IsAny <ICheckpointerFactory>()), Times.Once);
messageStore.Verify(m => m.SetTimeToLive(It.IsAny <TimeSpan>()), Times.Exactly(6));
storageSpaceChecker.Verify(m => m.SetMaxSizeBytes(It.Is <Option <long> >(x => x.Equals(Option.None <long>()))), Times.Exactly(6));
await Task.Delay(TimeSpan.FromSeconds(10));
configProvider.Verify(c => c.GetConfig(), Times.Exactly(7));
endpointExecutorFactory.Verify(e => e.CreateAsync(It.IsAny <Endpoint>(), It.IsAny <IList <uint> >(), It.IsAny <ICheckpointerFactory>()), Times.Once);
messageStore.Verify(m => m.SetTimeToLive(It.IsAny <TimeSpan>()), Times.Exactly(7));
storageSpaceChecker.Verify(m => m.SetMaxSizeBytes(It.Is <Option <long> >(x => !x.Equals(Option.None <long>()))), Times.Exactly(1));
await Task.Delay(TimeSpan.FromSeconds(10));
configProvider.Verify(c => c.GetConfig(), Times.Exactly(8));
endpointExecutorFactory.Verify(e => e.CreateAsync(It.IsAny <Endpoint>(), It.IsAny <IList <uint> >(), It.IsAny <ICheckpointerFactory>()), Times.Once);
messageStore.Verify(m => m.SetTimeToLive(It.IsAny <TimeSpan>()), Times.Exactly(8));
storageSpaceChecker.Verify(m => m.SetMaxSizeBytes(It.Is <Option <long> >(x => !x.Equals(Option.None <long>()))), Times.Exactly(2));
await Task.Delay(TimeSpan.FromSeconds(10));
configProvider.Verify(c => c.GetConfig(), Times.Exactly(9));
endpointExecutorFactory.Verify(e => e.CreateAsync(It.IsAny <Endpoint>(), It.IsAny <IList <uint> >(), It.IsAny <ICheckpointerFactory>()), Times.Once);
messageStore.Verify(m => m.SetTimeToLive(It.IsAny <TimeSpan>()), Times.Exactly(8));
storageSpaceChecker.Verify(m => m.SetMaxSizeBytes(It.Is <Option <long> >(x => !x.Equals(Option.None <long>()))), Times.Exactly(2));
}
