public void do_not_remove_a_track_when_it_is_not_already_in_the_play_list()
{
var aTrackId = ATrack.Id;
var aPlaylistId = APlaylist.Id;
var aPlayList = new PlayListBuilder()
.WithId(aPlaylistId)
.Build();
playListPersistence.GetPlayList(aPlaylistId).Returns(aPlayList);
var result = removeTrackFromPLayListService.Execute(aTrackId, aPlaylistId);
result.IsLeft.Should().BeTrue();
result.IfLeft(error => error.Should().Be(DomainError.TrackIsNotInThePlayList));
playListPersistence.DidNotReceive().Persist(Arg.Any <PlayList>());
tracksNotifier.DidNotReceive().NotifyTrackHasRemovedFromPlayList(Arg.Any <string>(), Arg.Any <string>());
}
public void do_not_add_a_track_twice()
{
var aTrackId = ATrack.Id;
var aPlaylistId = APlaylist.Id;
var aPlayList = new PlayListBuilder()
.WithId(aPlaylistId)
.AddTrack(new TrackBuilder()
.WithId(aTrackId)
.Build())
.Build();
playListPersistence.GetPlayList(aPlaylistId).Returns(aPlayList);
var result = addTrackToPlayListService.Execute(aTrackId, aPlaylistId);
result.IsLeft.Should().BeTrue();
result.IfLeft(error => error.Should().Be(DomainError.CannotAddSameTrackTwice));
playListPersistence.DidNotReceive().Persist(Arg.Any <PlayList>());
tracksNotifier.DidNotReceive().NotifyTrackHasBeenAddedToPlayList(Arg.Any <string>(), Arg.Any <string>());
}