public void PartitionLookupTest(string[] nodes, int partitionsPerNode, int elements, int key, int expectedNode, int expectedPartition)
{
var nodeList = new List <string>();
nodeList.AddRange(nodes);
var map = HtmSparseIntDictionary <Column> .CreatePartitionMap(nodeList, elements, partitionsPerNode);
var part = HtmSparseIntDictionary <Column> .GetPlacementSlotForElement(map, key);
Assert.IsTrue(part.NodeIndx == expectedNode && part.PartitionIndx == expectedPartition);
}
public void TestGroupingByNode(string[] nodes)
{
var nodeList = new List <string>(nodes);
List <IActorRef> list = new List <IActorRef>();
for (int k = 0; k < nodes.Length; k++)
{
list.Add(new MockedActor(nodes[k]));
}
var map = HtmSparseIntDictionary <Column> .CreatePartitionMap(nodeList, 4096, 10);
int i = 0;
foreach (var item in map)
{
item.ActorRef = list[i++ % nodes.Length];
}
var groupedNodes = HtmSparseIntDictionary <object> .GetPartitionsByNode(map);
}
public void PartitionMapTest(string[] nodes, int partitionsPerNode, int elements)
{
var nodeList = new List <string>();
nodeList.AddRange(nodes);
var map = HtmSparseIntDictionary <Column> .CreatePartitionMap(nodeList, elements, partitionsPerNode);
// System can allocate less partitions than requested.
Assert.IsTrue(map.Count <= nodes.Length * partitionsPerNode);
Assert.IsTrue((map[7].MinKey == 14 && map[7].MaxKey == 15) ||
(map[7].MinKey == 21 && map[7].MaxKey == 23) ||
(map[9].MinKey == 3690 && map[9].MaxKey == 4095) ||
(map[170].MinKey == 1020 && map[170].MaxKey == 1023));
Assert.IsTrue((int)(object)map.Last().MaxKey >= (elements - 1));
foreach (var item in map)
{
// Partition can hold a single element.
Assert.IsTrue((int)(object)item.MaxKey >= (int)(object)item.MinKey);
}
}