public void middleware_should_hook_into_dispathching()
{
var packageReducerCount = 0;
var reducer = new ElementReducer <int>().Process <AddActin>((s, e) =>
{
packageReducerCount += 1;
return(packageReducerCount);
});
var packageStore = new Package <int>(reducer);
var middlewareCount = 0;
packageStore.Middleware(
package => next => action =>
{
Logger.LogMessage("第一个拦截器开始执行，将执行第二个拦截器");
middlewareCount += 1;
next(action);
middlewareCount += 1000;
Logger.LogMessage("第一个拦截器执行完毕");
},
package => next => action =>
{
Logger.LogMessage("第二个拦截器开始执行");
middlewareCount += 10;
Logger.LogMessage("执行器开始执行");
next(action);
Logger.LogMessage("执行器开始完毕");
middlewareCount += 100;
Logger.LogMessage("第二个拦截器执行完毕");
}
);
packageStore.Dispatch(new AddActin());
Assert.AreEqual(1111, middlewareCount);
Assert.AreEqual(1, packageReducerCount);
}
public void middleware_should_rob_the_store_dispatcher()
{
var packageReducerCount = 0;
var reducer = new ElementReducer <int>().Process <AddActin>((s, e) =>
{
packageReducerCount += 1;
return(s);
});
var packageStore = new Package <int>(reducer);
var middlewareCounter = 0;
packageStore.Middleware(
store => next => action =>
{
if (action is AddActin)
{
}
middlewareCounter += 1;
Assert.AreEqual(1, middlewareCounter);
Logger.LogMessage("第一个拦截器开始执行，将执行第二个拦截器");
next(action); //执行顺序下个拦截器或最后的执行器
middlewareCounter += 1000;
Assert.AreEqual(1111, middlewareCounter);
Logger.LogMessage("第一个拦截器执行完毕");
},
store => next => action =>
{
Logger.LogMessage("第二个拦截器开始执行");
middlewareCounter += 10;
Assert.AreEqual(11, middlewareCounter);
middlewareCounter += 100;
Assert.AreEqual(111, middlewareCounter);
Logger.LogMessage("第二个拦截器执行完毕");
}
);
packageStore.Dispatch(new AddActin());
Assert.AreEqual(1111, middlewareCounter);
Assert.AreEqual(packageReducerCount, 0);
Logger.LogMessage("reducer未运行，执行器被劫持成功！");
}
public void emit_subscriber_during_subscribed()
{
var reducer = new ElementReducer <List <int> >(() => new List <int> {
1
});
var package = new Package <List <int> >(reducer);
var counter = 0;
var unsuber = package.Subscribe(state =>
{
counter++;
});
package.Dispatch(new int());
package.Dispatch(new int());
package.Dispatch(new int());
Assert.AreEqual(3, counter);
unsuber();
package.Dispatch(new int());
Assert.AreEqual(3, counter);
}
public void middleware_should_close_dispatching()
{
var packageReducerCount = 0;
var reducer = new ElementReducer <int>().Process <AddActin>((s, e) =>
{
packageReducerCount += 1;
return(packageReducerCount);
});
var packageStore = new Package <int>(reducer);
var middlewareCount = 0;
packageStore.Middleware(
package => next => action =>
{
middlewareCount += 1;
Logger.LogMessage("拦截器关闭广播");
},
package => next => action =>
{
Logger.LogMessage("第二个拦截器开始执行");
middlewareCount += 10;
Logger.LogMessage("执行器开始执行");
next(action);
Logger.LogMessage("执行器开始完毕");
middlewareCount += 100;
Logger.LogMessage("第二个拦截器执行完毕");
}
);
packageStore.Subscribe((i, action) =>
{
Logger.LogMessage("获得广播信息");
});
packageStore.Dispatch(new AddActin());
Assert.AreEqual(1, middlewareCount);
Assert.AreEqual(0, packageReducerCount);
}
public void combine_reducers()
{
List <int> a = new List <int>();
List <int> b = new List <int>();
for (int i = 1; i <= 10; i++)
{
a.Add(i);
b.Add(i);
}
CollectionAssert.AreEqual(a, b);
var TodosReducer = new ElementReducer <List <Todo> >().Process <LoadTodos>((curPackage, action) =>
{
return(action.Todos);
}).Process <AddTodoItem>((curPackage, action) =>
{
var todos = curPackage;
todos.Add(action.Item);
return(todos);
}).Process <DeleteTodoItem>((curPackage, action) =>
{
var todos = curPackage;
todos.RemoveAll(p => p.Id == action.Id);
return(todos);
}).Process <UpdateTodoItem>((pacakge, action) =>
{
var todos = pacakge;
var updateItem = todos.FirstOrDefault(p => p.Id == action.Item.Id);
updateItem.Bak = action.Item.Bak;
updateItem.Content = action.Item.Content;
return(todos);
});
var TabReducer = new ElementReducer <Tab>().Process <TabSelect>((curPackage, action) =>
{
var tab = action.Selected;
return(tab);
});
var reducer = new ComposableReducer <AppPackage>()
.Diverter(curPackage => curPackage.Todos, TodosReducer)
.Diverter(curPackage => curPackage.Tab, TabReducer);
var package = new Package <AppPackage>(reducer);
package.Middleware(
curPackage => next => action =>
{
Logger.LogMessage(action.GetType().ToString());
next(action);
}
);
package.Dispatch(new LoadTodos()
{
Todos = new List <Todo>()
});
Logger.LogMessage("广播新增一条待办");
package.Dispatch(new AddTodoItem()
{
Item = new Todo()
{
Id = 1,
Bak = "我的第一条待办",
Content = "明天飞"
}
});
Assert.AreEqual("明天飞", package.GetState().Todos[0].Content);
Logger.LogMessage("广播更新一条待办");
package.Dispatch(new UpdateTodoItem()
{
Item = new Todo()
{
Id = 1,
Bak = "我的第一条待办",
Content = "明天不飞了"
}
});
Assert.AreEqual("明天不飞了", package.GetState().Todos[0].Content);
Logger.LogMessage("广播删除一条待办");
package.Dispatch(new DeleteTodoItem()
{
Id = 1
});
Assert.AreEqual(0, package.GetState().Todos.Count);
Logger.LogMessage("广播TabSelectedChanged");
package.Dispatch(new TabSelect()
{
Selected = Tab.Completed
});
Assert.AreEqual(Tab.Completed, package.GetState().Tab);
}
