public async Task UpdateOrCreate_RemovesAndAddsVotingCandidates()
{
// Arrange
var existingCandidates = new[]
{
new VotingCandidate(),
new VotingCandidate()
};
var newCandidateSongs = new[]
{
new Song(),
new Song(),
new Song()
};
_votingCandidateRepository.Get().Returns(existingCandidates);
_votingCandidateRepository.Create().Returns(_ => new VotingCandidate());
// Act
var votingCandidates = await _votingCandidateService.UpdateOrCreateAsync(newCandidateSongs);
// Assert
Assert.That(votingCandidates.Length, Is.EqualTo(newCandidateSongs.Length));
Assert.That(votingCandidates[0].SongId, Is.EqualTo(newCandidateSongs[0].Id));
Assert.That(votingCandidates[0].Song, Is.EqualTo(newCandidateSongs[0]));
Assert.That(votingCandidates[0].DisplayOrder, Is.EqualTo(0));
Assert.That(votingCandidates[0].Votes, Is.Not.Null);
Assert.That(votingCandidates[1].SongId, Is.EqualTo(newCandidateSongs[1].Id));
Assert.That(votingCandidates[1].Song, Is.EqualTo(newCandidateSongs[1]));
Assert.That(votingCandidates[1].DisplayOrder, Is.EqualTo(1));
Assert.That(votingCandidates[1].Votes, Is.Not.Null);
Assert.That(votingCandidates[2].SongId, Is.EqualTo(newCandidateSongs[2].Id));
Assert.That(votingCandidates[2].Song, Is.EqualTo(newCandidateSongs[2]));
Assert.That(votingCandidates[2].DisplayOrder, Is.EqualTo(2));
Assert.That(votingCandidates[2].Votes, Is.Not.Null);
_votingCandidateRepository.Received(1).Remove(existingCandidates[0]);
_votingCandidateRepository.Received(1).Remove(existingCandidates[1]);
_votingCandidateRepository.Received(3).Create();
_votingCandidateRepository.Received(1).Add(votingCandidates[0]);
_votingCandidateRepository.Received(1).Add(votingCandidates[1]);
_votingCandidateRepository.Received(1).Add(votingCandidates[2]);
}
public async Task ApplyResultAsync(Guid votingResultSongId)
{
var votingCandidateToApply = await _votingCandidateRepository.GetWithVoteCountBySongOrDefaultAsync(votingResultSongId);
if (votingCandidateToApply == null)
{
// If there are no voting candidates yet, we have to construct a new song with default vote count
var song = await _songRepository.GetByIdAsync(votingResultSongId);
votingCandidateToApply = SongWithDefaultVoteCount(song);
}
var newVotingCandidateSongs = await _songRepository.GetRandomAsync(take : Constants.App.NUMBER_OF_VOTING_CANDIDATES);
var currentSong = await _currentSongService.UpdateOrCreateAsync(votingCandidateToApply);
await _votingCandidateService.UpdateOrCreateAsync(newVotingCandidateSongs);
_logger.LogInformation("Changing current song to {0}. Estimated end is {1}", currentSong.Song.FileName, currentSong.EndsAtTime.ToString());
}