public void ShouldGetANewClusterView()
{
// Given
var uri = new Uri("bolt+routing://123:456");
// a cluster view which knows a read/write uri
var clusterView = NewClusterView(new[] { uri }, new Uri[0], new Uri[0]);
var mockedConn = new Mock <IPooledConnection>();
var mockedConnPool = new Mock <IConnectionPool>();
mockedConnPool.Setup(x => x.Acquire()).Returns(mockedConn.Object);
var dict = new ConcurrentDictionary <Uri, IConnectionPool>();
dict.TryAdd(uri, mockedConnPool.Object);
// a cluster pool which knows the conns with the uri server
var clusterConnPool = new ClusterConnectionPool(null, dict);
var balancer = new RoundRobinLoadBalancer(clusterConnPool, clusterView);
// When
var anotherUri = new Uri("bolt+routing://123:789");
var result = balancer.NewClusterView(connection
=> NewClusterView(new [] { anotherUri }, new Uri[0], new Uri[0]));
// Then
result.All().Should().ContainInOrder(anotherUri);
}
public void ShouldRemoveTheServerIfRediscoveryThrowInvalidDiscoveryException()
{
// Given
var uri = new Uri("bolt+routing://123:456");
var uri2 = new Uri("bolt+routing://123:789");
// a cluster view which knows a read/write uri
var clusterView = NewClusterView(new[] { uri, uri2 }, new Uri[0], new Uri[0]);
var mockedConn = new Mock <IPooledConnection>();
var mockedConnPool = new Mock <IConnectionPool>();
mockedConnPool.Setup(x => x.Acquire()).Returns(mockedConn.Object);
var dict = new ConcurrentDictionary <Uri, IConnectionPool>();
dict.TryAdd(uri, mockedConnPool.Object);
dict.TryAdd(uri2, mockedConnPool.Object);
// a cluster pool which knows the conns with the uri server
var clusterConnPool = new ClusterConnectionPool(null, dict);
var balancer = new RoundRobinLoadBalancer(clusterConnPool, clusterView);
// When
var error = Record.Exception(() => balancer.NewClusterView(connection =>
{
// never successfully rediscovery
throw new InvalidDiscoveryException("Invalid");
}));
// Then
clusterView.All().Should().BeEmpty();
error.Should().BeOfType <ServerUnavailableException>();
}
public void ShouldThrowServerUnavailableException()
{
// Given
var clusterView = NewClusterView(new Uri[0], new Uri[0], new Uri[0]);
var balancer = new RoundRobinLoadBalancer(null, clusterView);
// When
var error = Record.Exception(() => balancer.NewClusterView());
// Then
error.Should().BeOfType <ServerUnavailableException>();
error.Message.Should().Contain("Failed to connect to any routing server.");
}
