public async Task FetchCommandHandler_ShouldCallService()
{
var msgService = Substitute.For <IMessageService>();
msgService.GetUserResponseAsync(Arg.Any <CancellationToken>())
.Returns(Task.FromResult(_fixture.Create <MessageResponse>()));
var fetchHandler = new FetchCommandHandler(msgService);
await fetchHandler.ProcessCommand("hello world");
await msgService
.Received(1)
.GetUserResponseAsync(Arg.Any <CancellationToken>());
}
public async Task SendCommandHandler_ShouldCallService()
{
var cannedResponse = _fixture.Create <MessageResponse>();
var msgService = Substitute.For <IMessageService>();
msgService.WriteReplyAsync(Arg.Any <MessageResponse>(), Arg.Any <CancellationToken>())
.Returns(Task.FromResult(cannedResponse));
var fetchHandler = new FetchCommandHandler(msgService);
await fetchHandler.ProcessCommand(string.Empty);
await msgService
.Received(1)
.GetUserResponseAsync(Arg.Any <CancellationToken>());
}