public async Task SetSyncEventHandler(bool nullContents)
{
// Setup: Create a mock request handler
var eventHandler = new Mock <Action <CommonObjects.TestMessageContents, EventContext> >();
var message = nullContents
? Message.CreateEvent(CommonObjects.EventType, null)
: CommonObjects.EventMessage;
// If: I assign an event handler on the JSON RPC host
var jh = new JsonRpcHost(GetChannelBase(null, null).Object);
jh.SetEventHandler(CommonObjects.EventType, eventHandler.Object);
// Then: It should be the only event handler set
Assert.Single(jh.eventHandlers);
Assert.Contains(CommonObjects.EventType.MethodName, jh.eventHandlers.Keys);
// If: I call the stored event handler
await jh.eventHandlers[CommonObjects.EventType.MethodName](message);
await jh.eventHandlers[CommonObjects.EventType.MethodName](message);
// Then: The event handler should have been called with the params and a proper event context
var expectedContents = nullContents
? null
: CommonObjects.TestMessageContents.DefaultInstance;
eventHandler.Verify(a => a(
It.Is <CommonObjects.TestMessageContents>(p => p == expectedContents),
It.Is <EventContext>(p => p.messageQueue == jh.outputQueue)
), Times.Exactly(2));
}
public void SetSyncEventHandlerNull()
{
// If: I assign an event handler on the message gispatcher with a null event handler
var jh = new JsonRpcHost(GetChannelBase(null, null).Object);
Assert.Throws <ArgumentNullException>(() => jh.SetEventHandler(CommonObjects.EventType, null));
}