public async Task run_steps_in_order()
{
var list = new List <int>();
var manager = new TransactionalManager();
manager.AddTransaction(() =>
{
list.Add(1);
return(Task.CompletedTask);
}, () =>
{
list.Remove(1);
return(Task.CompletedTask);
});
manager.AddTransaction(() =>
{
list.Add(2);
return(Task.CompletedTask);
}, () =>
{
list.Remove(2);
return(Task.CompletedTask);
});
await manager.Execute();
list[0].ShouldBe(1);
list[1].ShouldBe(2);
}
public async Task throw_if_fallback_step_fail()
{
var list = new List <int>();
var manager = new TransactionalManager();
manager.AddTransaction(() =>
{
list.Add(1);
return(Task.CompletedTask);
}, () =>
{
throw new Exception();
});
manager.AddTransaction(() =>
{
throw new Exception();
return(Task.CompletedTask);
}, () =>
{
list.Remove(2);
return(Task.CompletedTask);
});
var result = await manager.Execute();
result.TransactionException.ShouldNotBeNull();
result.RollBackException.ShouldNotBeNull();
}
public async Task run_steps_in_order_rollback_order_if_fail()
{
var list = new List <int>();
var listFallBack = new List <int>();
var manager = new TransactionalManager();
manager.AddTransaction(() =>
{
list.Add(1);
return(Task.CompletedTask);
}, () =>
{
list.Remove(1);
listFallBack.Add(1);
return(Task.CompletedTask);
});
manager.AddTransaction(() =>
{
list.Add(2);
return(Task.CompletedTask);
}, () =>
{
list.Remove(2);
listFallBack.Add(2);
return(Task.CompletedTask);
});
manager.AddTransaction(() =>
{
throw new Exception();
}, () =>
{
list.Remove(2);
return(Task.CompletedTask);
});
await manager.Execute();
list.Count.ShouldBe(0);
listFallBack[0].ShouldBe(2);
listFallBack[1].ShouldBe(1);
}
