How do you mock an IAsyncEnumerable?

Question

I want to unit test a method that calls another method of a service returning an IAsyncEnumerable. I have created a a mock of my service Mock<

Answer 1

It really depends on which mocking framework your using. But, it would be something simple like this example using Moq

var data = new [] {1,2,3,4};
var mockSvc = new Mock();
mockSvc.Setup(obj => obj.CallSomethingReturningAsyncStream()).Returns(data.ToAsyncEnumerable());