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();
}));
}
}
private (GetHeroResult, GetHeroResultInfo) BuildData(JsonElement obj)
{
using IEntityUpdateSession session = _entityStore.BeginUpdate();
var entityIds = new HashSet <EntityId>();
// store updates ...
EntityId heroId = UpdateHeroEntity(obj.GetProperty("hero"), entityIds);
// build result
var resultInfo = new GetHeroResultInfo(
heroId,
DeserializeNonNullString(obj, "version"),
entityIds,
session.Version);
return(_resultDataFactory.Create(resultInfo), resultInfo);
}
