private static int GetPartitionOwnerCount(Partitioner partitioner)
{
var owners = new HashSet <Guid>();
var count = partitioner.Count;
for (var i = 0; i < count; i++)
{
var owner = partitioner.GetPartitionOwner(i);
if (owner != default)
{
owners.Add(owner);
}
}
return(owners.Count);
}
public void PartitionerTest()
{
var partitioner = new Partitioner();
Assert.That(partitioner.Count, Is.EqualTo(0));
Assert.That(partitioner.GetPartitionOwner(1), Is.EqualTo(Guid.Empty));
Assert.That(partitioner.GetPartitionOwner(-1), Is.EqualTo(Guid.Empty));
Assert.That(partitioner.GetPartitionOwner(new PartitionHashClass(1).PartitionHash), Is.EqualTo(Guid.Empty));
Assert.That(partitioner.GetPartitionId(new PartitionHashClass(1).PartitionHash), Is.EqualTo(0));
Assert.That(partitioner.GetPartitionId(new PartitionHashClass(int.MinValue).PartitionHash), Is.EqualTo(0));
Assert.That(partitioner.GetRandomPartitionId(), Is.EqualTo(0));
partitioner.SetOrVerifyPartitionCount(4);
Assert.That(partitioner.GetPartitionOwner(1), Is.EqualTo(Guid.Empty));
Assert.That(partitioner.GetPartitionOwner(-1), Is.EqualTo(Guid.Empty));
Assert.That(partitioner.GetPartitionOwner(new PartitionHashClass(1).PartitionHash), Is.EqualTo(Guid.Empty));
Assert.That(partitioner.GetPartitionId(new PartitionHashClass(1).PartitionHash), Is.EqualTo(1));
Assert.That(partitioner.GetPartitionId(new PartitionHashClass(5).PartitionHash), Is.EqualTo(1));
Assert.That(partitioner.GetPartitionId(new PartitionHashClass(int.MinValue).PartitionHash), Is.EqualTo(0));
var random = partitioner.GetRandomPartitionId();
Assert.That(random, Is.GreaterThanOrEqualTo(0));
Assert.That(random, Is.LessThan(4));
var originClientId = Guid.NewGuid();
var map = new Dictionary <int, Guid>
{
{ 1, Guid.NewGuid() },
{ 2, Guid.NewGuid() },
{ 3, Guid.NewGuid() },
};
Assert.That(partitioner.NotifyPartitionView(originClientId, 0, map));
Assert.Throws <InvalidOperationException>(() => partitioner.SetOrVerifyPartitionCount(7));
Assert.That(partitioner.GetPartitionOwner(1), Is.EqualTo(map[1]));
Assert.That(partitioner.GetPartitionOwner(-1), Is.EqualTo(Guid.Empty));
Assert.That(partitioner.GetPartitionOwner(new PartitionHashClass(1).PartitionHash), Is.EqualTo(map[1]));
Assert.That(partitioner.GetPartitionId(new PartitionHashClass(1).PartitionHash), Is.EqualTo(1));
Assert.That(partitioner.GetPartitionId(new PartitionHashClass(4).PartitionHash), Is.EqualTo(1));
Assert.That(partitioner.GetPartitionId(new PartitionHashClass(int.MinValue).PartitionHash), Is.EqualTo(0));
random = partitioner.GetRandomPartitionId();
Assert.That(random, Is.GreaterThanOrEqualTo(0));
Assert.That(random, Is.LessThan(3));
Assert.That(partitioner.GetPartitionHashOwner(1), Is.EqualTo(map[1]));
var newMap = new Dictionary <int, Guid>
{
{ 1, Guid.NewGuid() },
{ 2, Guid.NewGuid() },
{ 3, Guid.NewGuid() },
};
Assert.That(partitioner.NotifyPartitionView(originClientId, 0, newMap), Is.False);
Assert.That(partitioner.GetPartitionOwner(1), Is.EqualTo(map[1]));
Assert.That(partitioner.NotifyPartitionView(originClientId, 1, newMap));
Assert.That(partitioner.GetPartitionOwner(1), Is.EqualTo(newMap[1]));
newMap = new Dictionary <int, Guid>
{
{ 1, Guid.NewGuid() },
{ 2, Guid.NewGuid() },
{ 3, Guid.NewGuid() },
};
var newOwnerId = Guid.NewGuid();
Assert.That(partitioner.NotifyPartitionView(newOwnerId, 1, newMap));
Assert.That(partitioner.GetPartitionOwner(1), Is.EqualTo(newMap[1]));
Assert.That(partitioner.NotifyPartitionView(newOwnerId, 1, new Dictionary <int, Guid>()), Is.False);
Assert.That(partitioner.GetPartitionOwner(1), Is.EqualTo(newMap[1]));
}