public void Rate_SetsToNeutralIfTheSaveRatingIsGivenTwice()
{
// Arrange
var context = this.ServiceProvider.GetRequiredService <WmipDbContext>();
var ratingService = new RatingsService(context);
// Act
ratingService.Rate(1, "4", RatingType.Positive);
var newRating = ratingService.Rate(1, "4", RatingType.Positive);
//Assert
Assert.Equal(0, newRating);
Assert.Equal(RatingType.Neutral, context.Ratings.First().RatingType);
}
public void Rate_SetsToNewRatingIfARatingAlreadyExists()
{
// Arrange
var context = this.ServiceProvider.GetRequiredService <WmipDbContext>();
var ratingService = new RatingsService(context);
// Act
ratingService.Rate(1, "4", RatingType.Positive);
var newRating = ratingService.Rate(1, "4", RatingType.Negative);
//Assert
Assert.Equal(-1, newRating);
Assert.Equal(RatingType.Negative, context.Ratings.First().RatingType);
}
public void GetUsersRatings_ReturnsCorrectRatings()
{
// Arrange
var context = this.ServiceProvider.GetRequiredService <WmipDbContext>();
var user1 = new User {
Id = "4", UserName = "******"
};
var user2 = new User {
Id = "2", UserName = "******"
};
context.Users.AddRange(user1, user2);
context.SaveChanges();
var ratingService = new RatingsService(context);
// Act
ratingService.Rate(1, user1.Id, RatingType.Positive);
ratingService.Rate(1, user2.Id, RatingType.Negative);
var ratings = ratingService.GetUsersRatings(user1.UserName);
//Assert
Assert.Equal(RatingType.Positive, ratings.First().RatingType);
}
public void Rate_CreatesNewRatingIfItDoesntAlreadyExist()
{
// Arrange
var context = this.ServiceProvider.GetRequiredService <WmipDbContext>();
var ratingService = new RatingsService(context);
// Act
var newRating = ratingService.Rate(1, "4", RatingType.Positive);
//Assert
Assert.Equal(1, newRating);
Assert.Single(context.Ratings);
Assert.Equal(RatingType.Positive, context.Ratings.First().RatingType);
}
public void GetUsersRatingTypeForAPost_GetsCorrectRatingType()
{
// Arrange
var context = this.ServiceProvider.GetRequiredService <WmipDbContext>();
var user = new User {
Id = "4", UserName = "******"
};
context.Users.Add(user);
context.SaveChanges();
var ratingService = new RatingsService(context);
// Act
ratingService.Rate(1, user.Id, RatingType.Positive);
var ratingType = ratingService.GetUsersRatingTypeForAPost(1, user.UserName);
//Assert
Assert.Equal(RatingType.Positive, ratingType);
}
