public void CompositeIsDefault()
{
var config = EngineConfiguration.Create();
var strategy = config.CreateRolloverStrategy();
Assert.IsInstanceOf <CompositeRolloverStrategy>(strategy);
}
public void RolledBackCommandsAreSkipped(Tuple <List <JournalEntry>, string> testCase)
{
ICommandStore target = new InMemoryCommandStore(EngineConfiguration.Create().ForIsolatedTest());
string failureMessage = testCase.Item2;
var testEntries = testCase.Item1;
//Act
var actualCommandEntries = CommandStore.CommittedCommandEntries(() => testEntries).ToArray();
ulong[] rolledBackIds = testEntries.OfType <JournalEntry <RollbackMarker> >().Select(e => e.Id).ToArray();
int expectedNumberOfCommandEntries = testEntries.Count - rolledBackIds.Length * 2;
//Assert
Assert.AreEqual(expectedNumberOfCommandEntries, actualCommandEntries.Length, failureMessage);
ulong sequentialId = 1;
foreach (JournalEntry <Command> journalEntry in actualCommandEntries)
{
if (!rolledBackIds.Contains(sequentialId))
{
//TODO: Maybe we should return no-op commands instead of skipping rolled back
ulong expectedId = sequentialId + (ulong)rolledBackIds.Count(id => id < journalEntry.Id);
Assert.AreEqual(expectedId, journalEntry.Id, failureMessage);
}
sequentialId++;
}
}
public void Engine_self_configures_for_immutability_model()
{
var config = EngineConfiguration.Create().ForImmutability();
Assert.AreEqual(Kernels.Immutability, config.Kernel);
Assert.AreEqual(SynchronizationMode.None, config.Synchronization);
}
public void RevisionIsIncrementedWithEachCommand()
{
var config = EngineConfiguration.Create().ForIsolatedTest();
var target = Db.For <TestModel>(config);
Assert.AreEqual(0, target.Revision);
target.AddCustomer("Homer");
Assert.AreEqual(1, target.Revision);
}
public void Corrupting_command_effects_ignored()
{
var config = EngineConfiguration.Create().ForIsolatedTest();
config.Kernel = Kernels.RoyalFoodTaster;
var db = Engine.For <MyModel>(config).GetProxy();
Assert.Catch(db.MutateAndThrow);
Assert.AreEqual(ExpectedState, db.GetState());
}
public void CanGetModelReference()
{
var config = EngineConfiguration.Create().ForIsolatedTest();
var engine = Engine.Create <TestModel>(config);
engine.Execute(new TestCommandWithoutResult());
var model = engine.GetModel();
Assert.IsInstanceOfType(model, typeof(TestModel));
}
public void ImmutabilityEngineSmokeTest()
{
var config = EngineConfiguration.Create().ForImmutability().ForIsolatedTest();
var engine = Engine.Create <ImmutableModel>(config);
int actual = engine.Execute(new AppendNumberAndGetSumCommand(42));
Assert.AreEqual(42, actual);
engine.Execute(new AppendNumberCommand(58));
actual = engine.Execute(new NumberSumQuery());
Assert.AreEqual(actual, 42 + 58);
}
public void Setup()
{
var cfg = EngineConfiguration.Create().ForIsolatedTest();
_engine = Engine.Create <ProxyExceptionTestModel>(cfg);
_proxy = _engine.GetProxy();
_callsToExecutÃng = 0;
_callsToExecuted = 0;
_engine.CommandExecuting += (sender, args) => _callsToExecutÃng++;
_engine.CommandExecuted += (sender, args) => _callsToExecuted++;
}
public void CommandExecuting_can_cancel()
{
var config = EngineConfiguration.Create().ForImmutability().ForIsolatedTest();
var engine = Engine.Create <ImmutableModel>(config);
engine.CommandExecuting += (s, e) =>
{
e.Cancel = true;
};
engine.Execute(new AppendNumberCommand(42));
Config.Engines.CloseAll();
}
public void Timestamp_preserved_on_restore()
{
var command = new SetTimeCommand();
var config = EngineConfiguration.Create().ForIsolatedTest();
var engine = Engine.Create <TestModel>(config);
engine.Execute(command);
var store = config.CreateCommandStore();
var entry = store.CommandEntries().Single();
Assert.AreEqual(entry.Created, entry.Item.Timestamp);
Assert.AreEqual(command.Timestamp, entry.Created);
}
public void CommandExecuting_is_fired()
{
var config = EngineConfiguration.Create().ForImmutability().ForIsolatedTest();
var engine = Engine.Create <ImmutableModel>(config);
bool wasFired = false;
engine.CommandExecuting += (s, e) =>
{
wasFired = true;
};
engine.Execute(new AppendNumberCommand(42));
Assert.AreEqual(true, wasFired);
Config.Engines.CloseAll();
}
public void MyTestInitialize()
{
Directory.CreateDirectory(_path);
_config = EngineConfiguration.Create();
_config.Location.OfJournal = _path;
_config.MaxEntriesPerJournalSegment = 10;
_store = new FileCommandStore(_config);
_store.Initialize();
var writer = _store.CreateJournalWriter(0);
for (ulong i = 0; i < 30; i++)
{
writer.Write(new JournalEntry <Command>(i + 1, new TestCommandWithoutResult()));
}
writer.Close();
}
public void Snapshots_are_numbered_correctly()
{
var config = EngineConfiguration.Create().ForImmutability().ForIsolatedTest();
var engine = Engine.Create <ImmutableModel>(config);
engine.Execute(new AppendNumberCommand(42));
engine.Execute(new AppendNumberCommand(42));
engine.Execute(new AppendNumberCommand(42));
engine.Execute(new AppendNumberCommand(42));
engine.CreateSnapshot();
var store = config.CreateSnapshotStore();
Assert.AreEqual(4, store.Snapshots.First().Revision);
Assert.AreEqual(1, store.Snapshots.Count());
}
public void ImmutabilityKernelSmokeTest()
{
var config = EngineConfiguration.Create().ForImmutability();
config.Location.OfJournal = Guid.NewGuid().ToString();
var model = new ImmutableModel();
config.SetCommandStoreFactory(cfg => new InMemoryCommandStore(cfg));
var kernel = new ImmutabilityKernel(config, model);
int actual = (int)kernel.ExecuteCommand(new AppendNumberAndGetSumCommand(42));
Assert.AreEqual(42, actual);
kernel.ExecuteCommand(new AppendNumberCommand(58));
actual = kernel.ExecuteQuery(new NumberSumQuery());
Assert.AreEqual(actual, 42 + 58);
}
public void SnapshotPerTransactionCreatesSnapshotsAndNoJournalEntries()
{
var config = EngineConfiguration.Create().ForIsolatedTest().ForImmutability();
config.PersistenceMode = PersistenceMode.SnapshotPerTransaction;
var engine = Engine.Create <ImmutableModel>(config);
engine.Execute(new AppendNumberCommand(2));
engine.Execute(new AppendNumberCommand(42));
engine.Execute(new AppendNumberCommand(12));
engine.Close();
var commandStore = config.CreateCommandStore();
var snapshotStore = config.CreateSnapshotStore();
Assert.AreEqual(3, snapshotStore.Snapshots.Count());
Assert.AreEqual(0, commandStore.GetJournalEntries().OfType <JournalEntry <Command> >().Count());
}
public void CanLoadAndCreateRepeatedly()
{
var config = EngineConfiguration.Create().WithRandomLocation();
try
{
var engine = Engine.LoadOrCreate <TestModel>(config);
engine.Execute(new TestCommandWithResult());
engine.Close();
engine = Engine.LoadOrCreate <TestModel>(config);
engine.Close();
}
finally
{
if (config.CreateCommandStore() is FileCommandStore)
{
Directory.Delete(config.Location.OfJournal, true);
}
}
}
public void EitherMaxTriggersRollover()
{
var config = EngineConfiguration.Create();
var strategy = config.CreateRolloverStrategy();
var maxBytes = config.MaxBytesPerJournalSegment;
var maxEntries = config.MaxEntriesPerJournalSegment;
bool triggered = strategy.Rollover(maxBytes, 0);
Assert.AreEqual(true, triggered);
triggered = strategy.Rollover(0, maxEntries);
Assert.AreEqual(true, triggered);
triggered = strategy.Rollover(maxBytes - 1, maxEntries - 1);
Assert.AreEqual(false, triggered);
triggered = strategy.Rollover(maxBytes, maxEntries);
Assert.IsTrue(triggered);
}
public void ManualSnaphots()
{
var config = EngineConfiguration.Create().ForIsolatedTest().ForImmutability();
config.PersistenceMode = PersistenceMode.ManualSnapshots;
var engine = Engine.Create <ImmutableModel>(config);
engine.Execute(new AppendNumberCommand(2));
engine.Execute(new AppendNumberCommand(42));
engine.CreateSnapshot();
engine.Execute(new AppendNumberCommand(12));
engine.Close();
var store = config.CreateSnapshotStore();
Assert.AreEqual(1, store.Snapshots.Count());
engine = Engine.Load <ImmutableModel>(config);
var sum = engine.Execute(new NumberSumQuery());
Assert.AreEqual(44, sum);
}
public void DomainEventsAreDispatched()
{
var config = EngineConfiguration.Create().ForIsolatedTest();
var engine = Engine.Create <TestModel>(config);
var @event = new Event();
var events = new List <IEvent[]>();
engine.CommandExecuted += (s, e) => events.Add(e.Events);
engine.Execute(new EventEmittingCommand(@event));
engine.Execute(new EventEmittingCommand(@event, 0));
engine.Execute(new EventEmittingCommand(@event, 2));
engine.Execute(new EventEmittingCommand(@event, 4));
//each invocation should produce an array of events
Assert.AreEqual(4, events.Count);
CollectionAssert.AllItemsAreInstancesOfType(events, typeof(IEvent[]));
Assert.AreEqual(1, events[0].Count());
Assert.AreEqual(0, events[1].Count());
Assert.AreEqual(2, events[2].Count());
Assert.AreEqual(4, events[3].Count());
Assert.IsTrue(events.SelectMany(e => e).All(e => e == @event));
}
public void Commands_executed_event_contains_sequential_entry_ids()
{
var config = EngineConfiguration.Create()
.ForImmutability()
.ForIsolatedTest();
var engine = Engine.Create <ImmutableModel>(config);
var sequence = new List <ulong>();
engine.CommandExecuted += (s, e) => sequence.Add(e.JournalEntryId);
for (int i = 1; i <= 100; i++)
{
engine.Execute(new AppendNumberCommand(i));
}
foreach (var entryId in sequence)
{
Console.WriteLine(entryId);
}
var sum = engine.Execute((ImmutableModel m) => m.Numbers().Sum());
Assert.AreEqual((decimal)sum, sequence.Sum <ulong>(n => (decimal)n));
}
public void RollbackMarkerIsWrittenOnRollback()
{
//Arrange
var config = EngineConfiguration.Create().ForIsolatedTest();
var store = new InMemoryCommandStore(config);
store.Initialize();
var target = new JournalAppender(1, new StreamJournalWriter(config, store.CreateJournalWriterStream));
var command = new ACommand();
command.Timestamp = DateTime.Now;
target.Append(command);
target.Append(command);
//Act
target.AppendRollbackMarker();
//Assert
Assert.AreEqual(3, store.GetJournalEntries().Count());
Assert.AreEqual(1, store.GetJournalEntries().OfType <JournalEntry <RollbackMarker> >().Count());
Assert.IsTrue(store.GetJournalEntries().Last() is JournalEntry <RollbackMarker>);
}
public void JournalingIsDefault()
{
var config = EngineConfiguration.Create();
Assert.AreEqual(config.PersistenceMode, PersistenceMode.Journaling);
}
public EngineConfiguration CreateConfig()
{
return(EngineConfiguration
.Create().ForIsolatedTest());
}
private EngineConfiguration Config()
{
return(EngineConfiguration.Create().ForIsolatedTest());
}
public void Init()
{
_config = EngineConfiguration.Create().ForIsolatedTest().ForImmutability();
_commandStore = new InMemoryCommandStore(_config);
_commandStore.Initialize();
}