public void GetChannel_should_clear_connection_pool_when_opening_connection_throws_MongoAuthenticationException(
[Values(false, true)] bool async)
{
var connectionId = new ConnectionId(new ServerId(_clusterId, _endPoint));
var mockConnectionHandle = new Mock <IConnectionHandle>();
var mockConnectionExceptionHandler = new Mock <IConnectionExceptionHandler>();
LoadBalancedServer server = null;
var mockConnectionPool = new Mock <IConnectionPool>();
var authenticationException = new MongoAuthenticationException(connectionId, "Invalid login.")
{
ServiceId = ObjectId.GenerateNewId()
};
mockConnectionPool
.Setup(p => p.AcquireConnection(It.IsAny <CancellationToken>()))
.Callback(() => server.HandleExceptionOnOpen(authenticationException))
.Throws(authenticationException);
mockConnectionPool
.Setup(p => p.AcquireConnectionAsync(It.IsAny <CancellationToken>()))
.Callback(() => server.HandleExceptionOnOpen(authenticationException))
.Throws(authenticationException);
mockConnectionPool.Setup(p => p.Clear(It.IsAny <ObjectId>()));
var mockConnectionPoolFactory = new Mock <IConnectionPoolFactory>();
mockConnectionPoolFactory
.Setup(f => f.CreateConnectionPool(It.IsAny <ServerId>(), _endPoint, It.IsAny <IConnectionExceptionHandler>()))
.Returns(mockConnectionPool.Object);
server = new LoadBalancedServer(
_clusterId,
_clusterClock,
_settings,
_endPoint,
mockConnectionPoolFactory.Object,
_capturedEvents,
_serverApi);
server.Initialize();
var exception = Record.Exception(() =>
{
if (async)
{
server.GetChannelAsync(CancellationToken.None).GetAwaiter().GetResult();
}
else
{
server.GetChannel(CancellationToken.None);
}
});
exception.Should().BeOfType <MongoAuthenticationException>();
mockConnectionPool.Verify(p => p.Clear(It.IsAny <ObjectId>()), Times.Once());
}
public void GetChannel_should_not_update_topology_and_clear_connection_pool_on_MongoConnectionException(
[Values("TimedOutSocketException", "NetworkUnreachableSocketException")] string errorType,
[Values(false, true)] bool async)
{
var serverId = new ServerId(_clusterId, _endPoint);
var connectionId = new ConnectionId(serverId);
var innerMostException = CoreExceptionHelper.CreateException(errorType);
var mockConnectionExceptionHandler = new Mock <IConnectionExceptionHandler>();
var openConnectionException = new MongoConnectionException(connectionId, "Oops", new IOException("Cry", innerMostException));
var mockConnection = new Mock <IConnectionHandle>();
mockConnection.Setup(c => c.Open(It.IsAny <CancellationToken>())).Throws(openConnectionException);
mockConnection.Setup(c => c.OpenAsync(It.IsAny <CancellationToken>())).ThrowsAsync(openConnectionException);
var connectionFactory = new Mock <IConnectionFactory>();
connectionFactory.Setup(cf => cf.CreateConnection(serverId, _endPoint)).Returns(mockConnection.Object);
var connectionPoolSettings = new ConnectionPoolSettings();
var connectionPool = new ExclusiveConnectionPool(serverId, _endPoint, connectionPoolSettings, connectionFactory.Object, new EventAggregator(), mockConnectionExceptionHandler.Object);
var mockConnectionPoolFactory = new Mock <IConnectionPoolFactory>();
mockConnectionPoolFactory
.Setup(f => f.CreateConnectionPool(It.IsAny <ServerId>(), _endPoint, It.IsAny <IConnectionExceptionHandler>()))
.Returns(connectionPool);
var subject = new LoadBalancedServer(_clusterId, _clusterClock, _settings, _endPoint, mockConnectionPoolFactory.Object, _capturedEvents, _serverApi);
subject.Initialize();
IChannelHandle channel = null;
Exception exception;
if (async)
{
exception = Record.Exception(() => channel = subject.GetChannelAsync(CancellationToken.None).GetAwaiter().GetResult());
}
else
{
exception = Record.Exception(() => channel = subject.GetChannel(CancellationToken.None));
}
channel.Should().BeNull();
exception.Should().Be(openConnectionException);
subject.Description.Type.Should().Be(ServerType.LoadBalanced);
subject.Description.ReasonChanged.Should().Be("Initialized");
subject.Description.State.Should().Be(ServerState.Connected);
_mockConnectionPool.Verify(c => c.Clear(It.IsAny <bool>()), Times.Never);
}
public LoadBalancedTests()
{
_clusterId = new ClusterId();
_endPoint = new DnsEndPoint("localhost", 27017);
_clusterClock = new Mock <IClusterClock>().Object;
_mockConnectionPool = new Mock <IConnectionPool>();
_mockConnectionPool.Setup(p => p.AcquireConnection(It.IsAny <CancellationToken>())).Returns(new Mock <IConnectionHandle>().Object);
_mockConnectionPool.Setup(p => p.AcquireConnectionAsync(It.IsAny <CancellationToken>())).Returns(Task.FromResult(new Mock <IConnectionHandle>().Object));
_mockConnectionPoolFactory = new Mock <IConnectionPoolFactory>();
_mockConnectionPoolFactory
.Setup(f => f.CreateConnectionPool(It.IsAny <ServerId>(), _endPoint))
.Returns(_mockConnectionPool.Object);
_capturedEvents = new EventCapturer();
_serverApi = new ServerApi(ServerApiVersion.V1, true, true);
_settings = new ServerSettings(heartbeatInterval: Timeout.InfiniteTimeSpan);
_subject = new LoadBalancedServer(_clusterId, _clusterClock, _settings, _endPoint, _mockConnectionPoolFactory.Object, _capturedEvents, _serverApi);
_connectionId = new ConnectionId(_subject.ServerId);
}
public void Constructor_should_not_throw_when_serverApi_is_null()
{
_ = new LoadBalancedServer(_clusterId, _clusterClock, _settings, _endPoint, _mockConnectionPoolFactory.Object, _capturedEvents, serverApi: null);
}
public static void HandleChannelException(this LoadBalancedServer server, IConnection connection, Exception ex)
{
Reflector.Invoke(server, nameof(HandleChannelException), connection, ex, checkBaseClass: true);
}
// private methods
private Server SetupServer(bool exceptionOnConnectionOpen, bool exceptionOnConnectionAcquire)
{
var connectionId = new ConnectionId(new ServerId(_clusterId, _endPoint));
var mockConnectionHandle = new Mock <IConnectionHandle>();
var mockConnectionExceptionHandler = new Mock <IConnectionExceptionHandler>();
mockConnectionHandle
.Setup(c => c.Fork())
.Returns(mockConnectionHandle.Object);
var mockConnectionPool = new Mock <IConnectionPool>();
if (exceptionOnConnectionAcquire)
{
mockConnectionPool
.Setup(p => p.AcquireConnection(It.IsAny <CancellationToken>()))
.Throws(new TimeoutException("Timeout"));
mockConnectionPool
.Setup(p => p.AcquireConnectionAsync(It.IsAny <CancellationToken>()))
.Throws(new TimeoutException("Timeout"));
mockConnectionPool.Setup(p => p.Clear(It.IsAny <bool>()));
}
else if (exceptionOnConnectionOpen)
{
mockConnectionPool
.Setup(p => p.AcquireConnection(It.IsAny <CancellationToken>()))
.Throws(new MongoAuthenticationException(connectionId, "Invalid login."));
mockConnectionPool
.Setup(p => p.AcquireConnectionAsync(It.IsAny <CancellationToken>()))
.Throws(new MongoAuthenticationException(connectionId, "Invalid login."));
mockConnectionPool.Setup(p => p.Clear(It.IsAny <bool>()));
}
else
{
mockConnectionPool
.Setup(p => p.AcquireConnection(It.IsAny <CancellationToken>()))
.Returns(mockConnectionHandle.Object);
mockConnectionPool
.Setup(p => p.AcquireConnectionAsync(It.IsAny <CancellationToken>()))
.Returns(Task.FromResult(mockConnectionHandle.Object));
mockConnectionPool.Setup(p => p.Clear(It.IsAny <bool>()));
}
var mockConnectionPoolFactory = new Mock <IConnectionPoolFactory>();
mockConnectionPoolFactory
.Setup(f => f.CreateConnectionPool(It.IsAny <ServerId>(), _endPoint, It.IsAny <IConnectionExceptionHandler>()))
.Returns(mockConnectionPool.Object);
var server = new LoadBalancedServer(
_clusterId,
_clusterClock,
_settings,
_endPoint,
mockConnectionPoolFactory.Object,
_capturedEvents,
_serverApi);
server.Initialize();
return(server);
}