public void SequentialGeneration_NoClashesOrGaps()
{
using (var store = GetDocumentStore())
{
var gen = new AsyncHiLoIdGenerator("When_generating_lots_of_keys_concurrently_there_are_no_clashes", store,
store.Database, store.Conventions.IdentityPartsSeparator);
ConcurrencyTester(() => gen.NextIdAsync().GetAwaiter().GetResult(), 1, GeneratedIdCount);
}
}
public void HiLoKeyGenerator_works_without_aggressive_caching()
{
using (var store = GetDocumentStore())
{
var hiLoKeyGenerator = new AsyncHiLoIdGenerator("users", store, store.Database,
store.Conventions.IdentityPartsSeparator);
Assert.Equal(1L, hiLoKeyGenerator.NextIdAsync().GetAwaiter().GetResult());
Assert.Equal(2L, hiLoKeyGenerator.NextIdAsync().GetAwaiter().GetResult());
}
}
public async Task HiLoKeyGenerator_async_hangs_when_aggressive_caching_enabled()
{
using (var store = GetDocumentStore())
{
using (store.AggressivelyCache())
{
var hiLoKeyGenerator = new AsyncHiLoIdGenerator("users", store, store.Database,
store.Conventions.IdentityPartsSeparator);
Assert.Equal(1L, await hiLoKeyGenerator.NextIdAsync());
Assert.Equal(2L, await hiLoKeyGenerator.NextIdAsync());
}
}
}
public async Task HiLoKeyGenerator_async_hangs_when_aggressive_caching_enabled_on_other_documentstore()
{
using (var server = GetNewServer())
using (var otherServer = GetNewServer())
using (var store = GetDocumentStore(new Options {
Server = server
}))
using (var otherStore = GetDocumentStore(new Options {
Server = otherServer
}))
{
using (otherStore.AggressivelyCache()) // Note that we don't even use the other store, we just call AggressivelyCache on it
{
var hilo = new AsyncHiLoIdGenerator("users", store, store.Database,
store.Conventions.IdentityPartsSeparator);
Assert.Equal(1L, await hilo.NextIdAsync());
Assert.Equal(2L, await hilo.NextIdAsync());
}
}
}
public void Hilo_Cannot_Go_Down()
{
using (var store = GetDocumentStore())
{
using (var session = store.OpenSession())
{
var hiloDoc = new HiloDoc
{
Max = 32
};
session.Store(hiloDoc, "Raven/Hilo/users");
session.SaveChanges();
var hiLoKeyGenerator = new AsyncHiLoIdGenerator("users", store, store.Database,
store.Conventions.IdentityPartsSeparator);
var ids = new HashSet <long> {
hiLoKeyGenerator.NextIdAsync().GetAwaiter().GetResult()
};
hiloDoc.Max = 12;
session.Store(hiloDoc, null, "Raven/Hilo/users");
session.SaveChanges();
for (int i = 0; i < 128; i++)
{
var nextId = hiLoKeyGenerator.NextIdAsync().GetAwaiter().GetResult();
Assert.True(ids.Add(nextId), "Failed at " + i);
}
var list = ids.GroupBy(x => x).Select(g => new
{
g.Key,
Count = g.Count()
}).Where(x => x.Count > 1).ToList();
Assert.Empty(list);
}
}
}
public void Capacity_Should_Double()
{
using (var store = GetDocumentStore())
{
var hiLoKeyGenerator = new AsyncHiLoIdGenerator("users", store, store.Database,
store.Conventions.IdentityPartsSeparator);
using (var session = store.OpenSession())
{
session.Store(new HiloDoc
{
Max = 64
}, "Raven/Hilo/users");
session.SaveChanges();
for (var i = 0; i < 32; i++)
{
hiLoKeyGenerator.GenerateDocumentIdAsync(new User()).GetAwaiter().GetResult();
}
}
using (var session = store.OpenSession())
{
var hiloDoc = session.Load <HiloDoc>("Raven/Hilo/Users");
var max = hiloDoc.Max;
Assert.Equal(max, 96);
//we should be receiving a range of 64 now
hiLoKeyGenerator.GenerateDocumentIdAsync(new User()).GetAwaiter().GetResult();
}
using (var session = store.OpenSession())
{
var hiloDoc = session.Load <HiloDoc>("Raven/Hilo/users");
var max = hiloDoc.Max;
Assert.Equal(max, 160);
}
}
}
public async Task Should_Resolve_Conflict_With_Highest_Number()
{
using (var store1 = GetDocumentStore(new Options {
ModifyDatabaseName = s => s + "_foo1"
}))
using (var store2 = GetDocumentStore(new Options {
ModifyDatabaseName = s => s + "_foo2"
}))
{
using (var s1 = store1.OpenSession())
{
var hiloDoc = new HiloDoc
{
Max = 128
};
s1.Store(hiloDoc, "Raven/Hilo/users");
s1.Store(new User(), "marker/doc");
s1.SaveChanges();
}
using (var s2 = store2.OpenSession())
{
var hiloDoc2 = new HiloDoc
{
Max = 64
};
s2.Store(hiloDoc2, "Raven/Hilo/users");
s2.SaveChanges();
}
await SetupReplicationAsync(store1, store2);
WaitForMarkerDocumentAndAllPrecedingDocumentsToReplicate(store2);
var nextId = new AsyncHiLoIdGenerator("users", store2, store2.Database,
store2.Conventions.IdentityPartsSeparator).NextIdAsync().GetAwaiter().GetResult();
Assert.Equal(nextId, 129);
}
}
