public async Task TestHandle_UserIsNotFollower_ShouldThrowEntityNotFoundException(string username, string currentUserEmail)
{
// Arrange
var otherUserProfile = new UserProfile(Guid.NewGuid().ToString(), "email", username);
var currentUserProfile = new UserProfile(Guid.NewGuid().ToString(), currentUserEmail, "currentUsername");
Context.UserProfiles.Add(otherUserProfile);
Context.UserProfiles.Add(currentUserProfile);
await Context.SaveChangesAsync();
var command = new UnfollowUserCommand {
Username = username
};
var currentUser = Mock.Of <ICurrentUserService>(s => s.UserId == currentUserProfile.Id);
var sut = new UnfollowUserCommand.Handler(currentUser, Context);
// Act
var act = new Func <Task <Unit> >(async() => await sut.Handle(command, CancellationToken.None));
// Assert
act.Should().Throw <EntityNotFoundException <UserFollower> >()
.And.Message.Should().Contain(otherUserProfile.Id.ToString())
.And.Contain(currentUserProfile.Id.ToString());
}
public async Task TestHandle_ShoudDeleteUserFollower(string username, string currentUserEmail)
{
// Arrange
var otherUserProfile = new UserProfile(Guid.NewGuid().ToString(), "email", username);
var currentUserProfile = new UserProfile(Guid.NewGuid().ToString(), currentUserEmail, "currentUsername");
Context.UserProfiles.Add(otherUserProfile);
Context.UserProfiles.Add(currentUserProfile);
await Context.SaveChangesAsync();
Context.UserFollowers.Add(new UserFollower(otherUserProfile.Id, currentUserProfile.Id));
await Context.SaveChangesAsync();
var command = new UnfollowUserCommand {
Username = username
};
var currentUser = Mock.Of <ICurrentUserService>(s => s.UserId == currentUserProfile.Id);
var sut = new UnfollowUserCommand.Handler(currentUser, Context);
// Act
await sut.Handle(command, CancellationToken.None);
var following = await Context.UserFollowers
.SingleOrDefaultAsync();
// Assert
following.Should().BeNull();
}
public async Task <IActionResult> UnfollowUser(UnfollowUserCommand command)
{
if (!ModelState.IsValid)
{
return(NoContent());
}
await Mediator.Send(command);
return(NoContent());
}
public async Task GivenValidRequest_WhenTheFollowerExists_ReturnsProfileViewModelAndRemovesFollowee()
{
// Arrange, verify the user is currently being followed by the requester
var unfollowUserCommand = new UnfollowUserCommand("joey.mckenzie");
var userFollowee = Context.Users.FirstOrDefault(u => u.UserName == "joey.mckenzie");
var userFollower = Context.Users.FirstOrDefault(u => u.UserName == "test.user");
userFollowee.ShouldNotBeNull();
userFollowee.Followers.ShouldContain(u => u.UserFollower == userFollower);
userFollower.ShouldNotBeNull();
userFollower.Following.ShouldContain(u => u.UserFollowing == userFollowee);
// Act
var request = new UnfollowUserCommandHandler(CurrentUserContext, UserManager, Context, Mapper);
var response = await request.Handle(unfollowUserCommand, CancellationToken.None);
// Assert
response.ShouldNotBeNull();
response.ShouldBeOfType <ProfileViewModel>();
response.Profile.ShouldNotBeNull();
response.Profile.ShouldBeOfType <ProfileDto>();
userFollowee.Followers.ShouldNotContain(u => u.UserFollower == userFollowee);
}