public async Task WhenGettingUsernameAvailability_ItShouldYieldNotFoundIfUsernameUnavailable()
{
var query = new IsUsernameAvailableQuery(Username);
this.isUsernameAvailable.Setup(v => v.HandleAsync(query)).Returns(Task.FromResult(false));
var result = await this.controller.GetUsernameAvailabilityAsync(UsernameValue);
Assert.IsInstanceOfType(result, typeof(NotFoundResult));
}
public async Task <IHttpActionResult> GetUsernameAvailabilityAsync(string username)
{
username.AssertUrlParameterProvided("username");
ValidUsername usernameObject;
if (!ValidUsername.TryParse(username, out usernameObject))
{
return(this.NotFound());
}
var query = new IsUsernameAvailableQuery(usernameObject);
var usernameAvailable = await this.isUsernameAvailable.HandleAsync(query);
if (usernameAvailable)
{
return(this.Ok());
}
return(this.NotFound());
}