public void Next_AlreadyExists_IsIncremented()
{
var graph = NeoHelper.CreateRestApi().Clear();
var service = new SequenceProvider(graph);
graph.CreateUniqueNode("Sequence", "Name", "unit_test_sequence", new SequenceProvider.SequenceValue
{
Value = 500
});
var id = service.Next("UNIT_TEST_SEQUENCE");
Assert.AreEqual(501, id);
id = service.Next("UNIT_TEST_SEQUENCE");
Assert.AreEqual(502, id);
}
public void Next_NewlyCreated_IsCreated()
{
var graph = NeoHelper.CreateRestApi().Clear();
var service = new SequenceProvider(graph);
var id = service.Next("UNIT_TEST_SEQUENCE");
Assert.AreEqual(1, id);
}
public void Next_Concurrency_IsIncremented()
{
var graph = NeoHelper.CreateRestApi().Clear();
var service = new SequenceProvider(graph);
var allThreads = new List<Thread>();
var allItems = new List<long>();
for (int i = 0; i < 2; i++)
{
var t = new Thread(() =>
{
var localItems = new List<long>(10);
for (int j = 0; j < 10; j++)
{
localItems.Add(service.Next("UNIT_TEST_SEQUENCE"));
}
lock (allItems)
{
allItems.AddRange(localItems);
}
});
allThreads.Add(t);
t.Start();
}
foreach (var t in allThreads)
{
t.Join();
}
allItems.Sort();
var value = String.Join(",", allItems.Select(i => i.ToString(CultureInfo.InvariantCulture)));
Assert.AreEqual("1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20", value);
}