public void Should_Yield_Child_Hosts_When_No_Preferred_Host_Defined()
{
var lbp = new DseLoadBalancingPolicy(new TestLoadBalancingPolicy());
var statement = new TargettedSimpleStatement("Q");
var hosts = lbp.NewQueryPlan(null, statement);
CollectionAssert.AreEqual(
new[] { "101.0.0.0:9042", "102.0.0.0:9042" },
hosts.Select(h => h.Address.ToString()));
}
public void Should_Set_Distance_For_Preferred_Host_To_Local()
{
var lbp = new DseLoadBalancingPolicy(new TestLoadBalancingPolicy(HostDistance.Ignored));
Assert.AreEqual(HostDistance.Ignored, lbp.Distance(new Host(new IPEndPoint(200L, 9042), ReconnectionPolicy)));
var statement = new TargettedSimpleStatement("Q");
// Use 201 as preferred
statement.PreferredHost = new Host(new IPEndPoint(201L, 9042), ReconnectionPolicy);
lbp.NewQueryPlan(null, statement);
Assert.AreEqual(HostDistance.Local, lbp.Distance(statement.PreferredHost));
}
public void Should_Yield_Preferred_Host_First()
{
var lbp = new DseLoadBalancingPolicy(new TestLoadBalancingPolicy());
var statement = new TargettedSimpleStatement("Q");
statement.PreferredHost = new Host(new IPEndPoint(201, 9042), ReconnectionPolicy);
var hosts = lbp.NewQueryPlan(null, statement);
CollectionAssert.AreEqual(
new[] { "201.0.0.0:9042", "101.0.0.0:9042", "102.0.0.0:9042" },
hosts.Select(h => h.Address.ToString()));
}
