public void ShouldThrowErrorDirectlyIfProtocolError(AccessMode mode)
{
// Given
var uri = new Uri("neo4j://123:456");
var routingTableMock = NewMockedRoutingTable(mode, uri);
var mock = new Mock <IRoutingTableManager>();
mock.Setup(x => x.EnsureRoutingTableForModeAsync(mode, null, Bookmark.Empty))
.ReturnsAsync(routingTableMock.Object);
var clusterConnPoolMock = new Mock <IClusterConnectionPool>();
clusterConnPoolMock.Setup(x => x.AcquireAsync(uri, mode, null, Bookmark.Empty)).Returns(
Task.FromException <IConnection>(new ProtocolException("do not understand struct 0x01")));
var balancer = new LoadBalancer(clusterConnPoolMock.Object, mock.Object);
// When
balancer.Awaiting(b => b.AcquireAsync(mode, null, Bookmark.Empty)).Should().Throw <ProtocolException>()
.WithMessage("*do not understand struct 0x01*");
// while the server is not removed
routingTableMock.Verify(m => m.Remove(uri), Times.Never);
clusterConnPoolMock.Verify(m => m.DeactivateAsync(uri), Times.Never);
}
public void ShouldForgetServerWhenFailedToEstablishConn(AccessMode mode)
{
// Given
var uri = new Uri("neo4j://123:456");
var routingTableMock = NewMockedRoutingTable(mode, uri);
var mock = new Mock <IRoutingTableManager>();
mock.Setup(x => x.EnsureRoutingTableForModeAsync(mode, null, Bookmark.Empty))
.ReturnsAsync(routingTableMock.Object);
mock.Setup(x => x.ForgetServer(It.IsAny <Uri>(), null))
.Callback((Uri u, string database) => routingTableMock.Object.Remove(u));
mock.Setup(x => x.ForgetWriter(It.IsAny <Uri>(), null))
.Callback((Uri u, string database) => routingTableMock.Object.RemoveWriter(u));
var clusterConnPoolMock = new Mock <IClusterConnectionPool>();
clusterConnPoolMock.Setup(x => x.AcquireAsync(uri, mode, null, Bookmark.Empty))
.Returns(Task.FromException <IConnection>(new ServiceUnavailableException("failed init")));
var balancer = new LoadBalancer(clusterConnPoolMock.Object, mock.Object);
// When & Then
balancer.Awaiting(b => b.AcquireAsync(mode, null, Bookmark.Empty)).Should()
.Throw <SessionExpiredException>().WithMessage("Failed to connect to any*");
// should be removed
routingTableMock.Verify(m => m.Remove(uri), Times.Once);
clusterConnPoolMock.Verify(m => m.DeactivateAsync(uri), Times.Once);
}