我尝试为我的 Hub 方法编写测试,但我不知道,因为没有针对当前 (1.0.0-alpha2-final) 版本的 SignalR 的文档或代码示例。这是我的代码:
[Fact]
public void SaveVisitorInfoTest()
{
//Arrange
var chatHub = new ChatHub();
var mockClients = new Mock<IHubClients>();
chatHub.Clients = mockClients.Object;
dynamic groups = new ExpandoObject();
var groupName = "SomeConversation";
string actualName = null;
string expectedName = "someName";
groups.SendVisitorInfo = new Action<string, string>(n => {
actualName = n;
});
mockClients.Setup(_ => _.Group(groupName)).Returns(groups);
//Act
chatHub.Clients.Group(groupName).InvokeAsync("SendVisitorInfo", expectedName);
// Assert
Assert.Equal(expectedName, actualName);
}
Visual Studio 在运行测试时生成下一条错误消息:
Microsoft.CSharp.RuntimeBinder.RuntimeBinderException : 'Moq.Language.Flow.ISetup' does not contain a definition for 'Returns'
在旧版本中,模拟客户端和组的创建如下所示:
var mockClients = new Mock<IHubCallerConnectionContext<dynamic>>();
dynamic groups = new ExpandoObject();
groups.SendVisitorInfo = new Action<string, string>(n => {
actualName = n;
});
mockClients.Setup(_ => _.Group(groupName)).Returns((ExpandoObject)groups)
但是我现在不能使用 IHubCallerConnectionContext,所以我尝试了:
var mockClients = new Mock<IHubClients>();
但我不知道如何在这种情况下创建模拟组
对不起我糟糕的英语
最佳答案
我没有足够的代表发表评论,但这个链接是我能找到的用于测试 AspNetCore.SignalR v1.0.2 的最佳链接:
https://buildingsteps.wordpress.com/2018/06/12/testing-signalr-hubs-in-asp-net-core-2-1/
它还是很丑。
我想做的是
public Task DoCallback(IHubContext<MyHub> hubContext)
{
var clients = m_hubContext.Clients as IHubClients<IMyHubClient>;
clients.Client( "one").myCallback("Hi!");
}
然后像这样模拟:
var hubContext = new Mock<IHubContext<MyHub>>();
hubContext.Setup( h => h.Clients )
.Returns( m_hubClients.Object );
var hubClients = new Mock<IHubClients>();
var clientCallbacks = new Mock<IMyHubClient>();
hubClients.As<IHubClients<IMyHubClient>>()
.Setup( c => c.Client( "one" ) )
.Returns( clientCallbacks.Object );
clientCallbacks.Setup( c => c.myCallback( It.IsAny<string>() ) )
.Callback( ( stringp ) =>
{
...etc...
希望在未来的版本中......
关于c# - SignalR 测试 - 如何在新版本的 SignalR for ASP.NET Core 2 中模拟组,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/47471868/