public void RatingVote_ratingCalculation_ratingCalculationIsCorrectAndPostRatingSaveOnce()
{
//Arange
var postBo = new PostsBo(_postsRepo, _postRatigVotesRepo, _avatarImgRepo);
const int userId = 1;
const int postId = 1;
const int rate = 3;
//rating = (postRait * voutesNum + rate) / (voutesNum + 1);
_postsRepo
.GetItem(Arg.Is<int>(x => x >= 1))
.Returns(new Post
{
Id = postId,
UserId = userId,
Rating = 3,
VotesNum = 2
});
_postRatigVotesRepo
.Query()
.Returns(new List<PostRatigVote>
{
new PostRatigVote
{
Id=2,
UserId = 2,
PostId = 2
}
}.AsQueryable());
//Act
postBo.RatingVote(userId, postId, rate);
//Assert
var post = _postsRepo.GetItem(postId);
Assert.AreEqual(3, post.Rating);
_postRatigVotesRepo
.Received(1).Create(Arg.Is<PostRatigVote>(x =>
x.UserId == userId &&
x.PostId == postId));
_postRatigVotesRepo
.Received(1).Save();
_postsRepo
.Received(1).Save();
}
public void RatingVote_PostRatingVoteAlreadyExist_ratingMarkNotAdded()
{
//Arange
var postBo = new PostsBo(_postsRepo, _postRatigVotesRepo, _avatarImgRepo);
const int userId = 1;
const int postId = 1;
const int rate = 2;
_postRatigVotesRepo
.Query()
.Returns(new List<PostRatigVote>
{
new PostRatigVote
{
Id = 1,
UserId = 1,
PostId = 1
}
}.AsQueryable());
//Act
postBo.RatingVote(userId, postId, rate);
//Assert
_postRatigVotesRepo
.Received(0).Create(Arg.Is<PostRatigVote>(x =>
x.UserId == userId &&
x.PostId == postId));
}
