public void FilebasedEventstore_acceptance_test()
{
const string PATH = nameof(Eventstore_scenario_tests) + "_" + nameof(FilebasedEventstore_acceptance_test);
if (Directory.Exists(PATH))
{
Directory.Delete(PATH, true);
}
using (var sut = new FolderEventstore(PATH))
{
Event e0 = new TodoAdded("do dishes");
sut.Record(e0);
sut.Record(new TodoAdded("walk dog"));
Event e2 = new TodoAdded("write report");
sut.Record(new Event[] { e2, new TodoCategorized(e2.Id, "work") });
sut.Record(new TodoDone(e0.Id));
var result = sut.Replay();
var todos = result.Events.Aggregate(new Dictionary <string, ToDoItem>(), Map);
Assert.Equal(2, todos.Count);
Assert.Equal("write report", todos[e2.Id].Subject);
Assert.Contains("work", todos[e2.Id].Categories);
Dictionary <string, ToDoItem> Map(Dictionary <string, ToDoItem> items, Event e)
{
switch (e)
{
case TodoAdded a:
items[a.Id] = new ToDoItem {
Id = a.Id, Subject = a.Subject
};
break;
case TodoDone d:
items.Remove(d.EntityId);
break;
case TodoCategorized c:
foreach (var cat in c.Categories)
{
items[c.EntityId].Categories.Add(cat);
}
break;
}
return(items);
}
}
}
public void InMemoryEventstore_acceptance_test()
{
using (var sut = new Eventstore <InMemoryEventRepository>())
{
IEvent e0 = new TodoAdded("do dishes");
sut.Record(null, e0);
IEvent e1 = new TodoAdded("walk dog");
sut.Record(e0.Id, e1);
IEvent e2 = new TodoAdded("write report");
IEvent e3 = new TodoCategorized(e2.Id.ToString(), "work");
sut.Record(e1.Id, new IEvent[] { e2, e3 });
IEvent e4 = new TodoDone(e0.Id.ToString());
sut.Record(e3.Id, e4);
var result = sut.Replay();
var todos = result.Aggregate(new Dictionary <string, ToDoItem>(), Map);
Assert.Equal(2, todos.Count);
Assert.Equal("write report", todos[e2.Id.ToString()].Subject);
Assert.Contains("work", todos[e2.Id.ToString()].Categories);
Dictionary <string, ToDoItem> Map(Dictionary <string, ToDoItem> items, IEvent e)
{
switch (e)
{
case TodoAdded a:
items[a.Id.ToString()] = new ToDoItem {
Id = a.Id.ToString(), Subject = a.Subject
};
break;
case TodoDone d:
items.Remove(d.EntityId);
break;
case TodoCategorized c:
foreach (var cat in c.Categories)
{
items[c.EntityId].Categories.Add(cat);
}
break;
}
return(items);
}
}
}
