public async Task GetLinkLocation_RedirectExists_ReturnsUrl()
{
var mockManager = new Mock <ILinkManager>();
mockManager
.Setup(x => x.GetLinkInfoAsync("http://www.example.com"))
.Returns(Task.FromResult(new LinkInfo
{
Location = "http://www.example.com/redirect"
}))
.Verifiable();
var controller = new LinkController(mockManager.Object);
var result = await controller.GetLinkInfo("http://www.example.com");
var redirectInfo = result.Value as LinkInfo;
mockManager.VerifyAll();
Assert.AreEqual("http://www.example.com/redirect", redirectInfo.Location);
}