public async Task RemoveEntity()
{
// arrange
var cts = new CancellationTokenSource(2000);
var entityStore = new EntityStore();
var entityId = new EntityId(nameof(MockEntity), 1);
entityStore.Update(session =>
{
session.SetEntity(entityId, new MockEntity("abc", 1));
});
// act
entityStore.Update(session =>
{
session.RemoveEntity(entityId);
});
while (entityStore.CurrentSnapshot.GetEntityIds().Count > 0 &&
!cts.IsCancellationRequested)
{
await Task.Delay(50, cts.Token);
}
// assert
Assert.Empty(entityStore.CurrentSnapshot.GetEntityIds());
}
public void UpdateEntity()
{
// arrange
var entityStore = new EntityStore();
var entityId = new EntityId(nameof(MockEntity), 1);
IReadOnlyList <MockEntity> updated = Array.Empty <MockEntity>();
ulong version = 0;
entityStore.Watch().Subscribe(update =>
{
updated = entityStore.GetEntities <MockEntity>(update.UpdatedEntityIds);
version = update.Version;
});
// act
using (entityStore.BeginUpdate())
{
MockEntity entity = entityStore.GetOrCreate <MockEntity>(entityId);
entity.Foo = "abc";
entity.Bar = 1;
}
// assert
Assert.Collection(
updated,
item =>
{
Assert.Equal("abc", item.Foo);
Assert.Equal(1, item.Bar);
});
Assert.Equal(1ul, version);
}
public async Task UpdateEntity()
{
// arrange
var entityStore = new EntityStore();
var entityId = new EntityId(nameof(MockEntity), 1);
IReadOnlyList <MockEntity> updated = Array.Empty <MockEntity>();
ulong version = 0;
using IDisposable subscription = entityStore.Watch().Subscribe(update =>
{
updated = update.Snapshot.GetEntities <MockEntity>(update.UpdatedEntityIds);
version = update.Version;
});
// act
entityStore.Update(session =>
{
session.SetEntity(entityId, new MockEntity("abc", 1));
});
await Task.Delay(250);
// assert
Assert.Collection(
updated,
item =>
{
Assert.Equal("abc", item.Foo);
Assert.Equal(1, item.Bar);
});
Assert.Equal(1ul, version);
}
public void TryGet_Not_Found()
{
// arrange
var entityStore = new EntityStore();
var document = new Mock <IDocument>();
var store = new OperationStore(entityStore);
var request = new OperationRequest("abc", document.Object);
// act
var success = store.TryGet(request, out IOperationResult <string>?retrieved);
// assert
Assert.False(success);
Assert.Null(retrieved);
}
public async Task EnsureUpdatesAreExecutedOneAfterTheOther()
{
// arrange
var entityStore = new EntityStore();
var entityId = new EntityId(nameof(MockEntity), 1);
List <string> updated = new();
ulong version = 0;
entityStore.Watch().Subscribe(update =>
{
updated.Add(
entityStore.GetEntities <MockEntity>(update.UpdatedEntityIds).Single().Foo !);
version = update.Version;
});
// act
Task task1 = BeginUpdate(entityStore, "abc");
Task task2 = BeginUpdate(entityStore, "def");
await Task.WhenAll(task1, task2);
// assert
Assert.Collection(
updated,
item =>
{
Assert.Equal("abc", item);
},
item =>
{
Assert.Equal("def", item);
});
Assert.Equal(2ul, version);
Task BeginUpdate(IEntityStore entityStore, string foo)
{
IEntityUpdateSession session = entityStore.BeginUpdate();
return(Task.Run(async() =>
{
await Task.Delay(50);
MockEntity entity = entityStore.GetOrCreate <MockEntity>(entityId);
entity.Foo = foo;
session.Dispose();
}));
}
}
public void Store_And_Retrieve_Result()
{
// arrange
var entityStore = new EntityStore();
var document = new Mock <IDocument>();
var result = new Mock <IOperationResult <string> >();
var store = new OperationStore(entityStore);
var request = new OperationRequest("abc", document.Object);
// act
store.Set(request, result.Object);
var success = store.TryGet(request, out IOperationResult <string>?retrieved);
// assert
Assert.True(success);
Assert.Same(result.Object, retrieved);
}
public void Watch_For_Updates()
{
// arrange
var entityStore = new EntityStore();
var document = new Mock <IDocument>();
var result = new Mock <IOperationResult <string> >();
var store = new OperationStore(entityStore);
var request = new OperationRequest("abc", document.Object);
var observer = new ResultObserver();
// act
using IDisposable session = store
.Watch <string>(request)
.Subscribe(observer);
// assert
store.Set(request, result.Object);
Assert.Same(result.Object, observer.LastResult);
}
public void GetAllEntities()
{
// arrange
var entityStore = new EntityStore();
var entityId1 = new EntityId(nameof(MockEntity), 1);
var entityId2 = new EntityId(nameof(MockEntity) + "a", 2);
entityStore.Update(session =>
{
session.SetEntity(entityId1, new MockEntity("abc", 1));
session.SetEntity(entityId2, new MockEntity("abc", 2));
});
// act
var allEntities = entityStore.CurrentSnapshot.GetEntities().ToList();
var mockEntities = entityStore.CurrentSnapshot.GetEntities(nameof(MockEntity));
// assert
Assert.Collection(
allEntities.OrderBy(t => t.Id.Value),
item =>
{
var entity = Assert.IsType <MockEntity>(item.Entity);
Assert.Equal("abc", entity.Foo);
Assert.Equal(1, entity.Bar);
},
item =>
{
var entity = Assert.IsType <MockEntity>(item.Entity);
Assert.Equal("abc", entity.Foo);
Assert.Equal(2, entity.Bar);
});
Assert.Collection(
mockEntities.OrderBy(t => t.Id.Value),
item =>
{
var entity = Assert.IsType <MockEntity>(item.Entity);
Assert.Equal("abc", entity.Foo);
Assert.Equal(1, entity.Bar);
});
}
public void Watch_For_Updates_With_SystemReactive()
{
// arrange
var entityStore = new EntityStore();
var document = new Mock <IDocument>();
var result = new Mock <IOperationResult <string> >();
var store = new OperationStore(entityStore);
var request = new OperationRequest("abc", document.Object);
IOperationResult <string>?lastResult = null;
// act
using IDisposable session =
System.ObservableExtensions.Subscribe(
store.Watch <string>(request),
r =>
{
lastResult = r;
});
// assert
store.Set(request, result.Object);
Assert.Same(result.Object, lastResult);
}
