public async Task ConsumeInputRequestException()
{
// Setup:
// ... Create a message reader that will return a request
var mr = new Mock <MessageReader>(Stream.Null, null);
mr.SetupSequence(o => o.ReadMessage())
.ReturnsAsync(CommonObjects.RequestMessage)
.Returns(Task.FromException <Message>(new EndOfStreamException()));
// ... Create a JSON RPC host and register the request handler to throw exception
var jh = new JsonRpcHost(GetChannelBase(mr.Object, null).Object);
var mockHandler = new Mock <Action <CommonObjects.TestMessageContents, RequestContext <CommonObjects.TestMessageContents> > >();
mockHandler.Setup(m => m(It.IsAny <CommonObjects.TestMessageContents>(),
It.IsAny <RequestContext <CommonObjects.TestMessageContents> >()))
.Throws(new Exception());
jh.SetRequestHandler(CommonObjects.RequestType, mockHandler.Object);
// If: I start the input consumption loop
await jh.ConsumeInput().WithTimeout(TimeSpan.FromSeconds(1));
// Then:
// ... Read message should have been called twice
mr.Verify(o => o.ReadMessage(), Times.Exactly(2));
// ... There should not be any outgoing messages
var outgoing = jh.outputQueue.ToArray();
Assert.Empty(outgoing);
}
public async Task SetSyncRequestHandler(bool nullContents)
{
// Setup: Create a mock request handler
var requestHandler = new Mock <Action <CommonObjects.TestMessageContents, RequestContext <CommonObjects.TestMessageContents> > >();
var message = nullContents
? Message.CreateRequest(CommonObjects.RequestType, CommonObjects.MessageId, null)
: CommonObjects.RequestMessage;
// If: I assign a request handler on the JSON RPC host
var jh = new JsonRpcHost(GetChannelBase(null, null).Object);
jh.SetRequestHandler(CommonObjects.RequestType, requestHandler.Object);
// Then: It should be the only request handler set
Assert.Single(jh.requestHandlers);
Assert.Contains(CommonObjects.RequestType.MethodName, jh.requestHandlers.Keys);
// If: I call the stored request handler
await jh.requestHandlers[CommonObjects.RequestType.MethodName](message);
await jh.requestHandlers[CommonObjects.RequestType.MethodName](message);
// Then: The request handler should have been called with the params and a proper request context
var expectedContents = nullContents
? null
: CommonObjects.TestMessageContents.DefaultInstance;
requestHandler.Verify(a => a(
It.Is <CommonObjects.TestMessageContents>(p => p == expectedContents),
It.Is <RequestContext <CommonObjects.TestMessageContents> >(rc => rc.messageQueue == jh.outputQueue && rc.requestMessage == message)
), Times.Exactly(2));
}
public void SetSyncRequestHandlerNullRequestHandler()
{
// If: I assign a request handler on the JSON RPC host with a null request handler
// Then: I should get an exception
var jh = new JsonRpcHost(GetChannelBase(null, null).Object);
Assert.Throws <ArgumentNullException>(() => jh.SetRequestHandler(CommonObjects.RequestType, null));
}