public void GettingMessagesWithSentinelCursorReturnsEverything()
{
var store = new ScaleoutStore(10);
var message = new ScaleoutMessage();
store.Add(new ScaleoutMapping((ulong)0, message));
var result = store.GetMessagesByMappingId(UInt64.MaxValue);
Assert.Equal(0ul, result.FirstMessageId);
Assert.Equal(1, result.Messages.Count);
}
public void GettingMessagesWithCursorInbetweenOnElementRangeGetsAll()
{
var store = new ScaleoutStore(10);
var message = new ScaleoutMessage();
store.Add(new ScaleoutMapping((ulong)1, message));
var result = store.GetMessagesByMappingId(2);
Assert.Equal(0ul, result.FirstMessageId);
Assert.Equal(0, result.Messages.Count);
}
public void GettingMessagesWithCursorBiggerThanMaxReturnsNothingIfNewer()
{
var store = new ScaleoutStore(10);
for (int i = 0; i < 5; i++)
{
var message = new ScaleoutMessage();
store.Add(new ScaleoutMapping((ulong)i, message));
}
var result = store.GetMessagesByMappingId(6);
Assert.Equal(0, result.Messages.Count);
}
public void AssertMessagesWithCursorForRange(int[] values, ulong targetId, ulong firstId, int count)
{
var store = new ScaleoutStore(10);
var message = new ScaleoutMessage();
foreach (var v in values)
{
store.Add(new ScaleoutMapping((ulong)v, message));
}
var result = store.GetMessagesByMappingId(targetId);
Assert.Equal(firstId, result.FirstMessageId);
Assert.Equal(count, result.Messages.Count);
}
public void GettingMessagesWithCursorLowerThanMinReturnsAll()
{
var store = new ScaleoutStore(10);
for (int i = 5; i < 10; i++)
{
var message = new ScaleoutMessage();
store.Add(new ScaleoutMapping((ulong)i, message));
}
var result = store.GetMessagesByMappingId(4);
Assert.Equal(0ul, result.FirstMessageId);
Assert.Equal(5ul, store.MinMappingId);
Assert.Equal(5, result.Messages.Count);
}
public void GettingMessagesWithCursorLowerThanMinReturnsAllEvenAfterMultipleOverwrites()
{
var store = new ScaleoutStore(10);
for (int i = 0; i < 100; i++)
{
var message = new ScaleoutMessage();
store.Add(new ScaleoutMapping(((ulong)i + MappingIdBase), message));
}
var result = store.GetMessagesByMappingId(MappingIdBase + 62);
Assert.Equal(64ul, result.FirstMessageId);
Assert.Equal(63ul + MappingIdBase, store.MinMappingId);
Assert.Equal(8, result.Messages.Count);
Assert.True(result.HasMoreData);
}
public void GettingMessagesWithCursorInbetweenFragmentsGetsEverythingAfterwards()
{
var store = new ScaleoutStore(10, 5);
var frag1Values = new[] { 1, 2, 3, 4, 5 };
// Purposely missing '6' between the fragments
var frag2Values = new[] { 7, 8, 9, 10, 11 };
foreach (var v in frag1Values.Concat(frag2Values))
{
store.Add(new ScaleoutMapping((ulong)v, new ScaleoutMessage()));
}
var result = store.GetMessagesByMappingId(6);
Assert.Equal(7ul, result.FirstMessageId);
Assert.Equal(5, result.Messages.Count);
}
