public async Task CreateRatingMethodShouldNotChangeCountIfRatingExists()
{
var options = new DbContextOptionsBuilder <AlexandriaDbContext>()
.UseInMemoryDatabase(Guid.NewGuid().ToString())
.Options;
var db = new AlexandriaDbContext(options);
await db.StarRatings.AddAsync(
new StarRating
{
Rate = 1,
UserId = "userId",
BookId = 1,
});
await db.SaveChangesAsync();
var starRatingsService = new StarRatingsService(db);
await starRatingsService.CreateRatingAsync(5, "userId", 1);
var result = await db.StarRatings.CountAsync();
Assert.Equal(1, result);
}
public async Task CreateRatingMethodShouldAddRatingInDatabase()
{
var options = new DbContextOptionsBuilder <AlexandriaDbContext>()
.UseInMemoryDatabase(Guid.NewGuid().ToString())
.Options;
var db = new AlexandriaDbContext(options);
var starRatingsService = new StarRatingsService(db);
await starRatingsService.CreateRatingAsync(5, "userId", 1);
Assert.Equal(1, db.StarRatings.Count());
}
public async Task CreateRatingMethodShouldAddRightRating()
{
var options = new DbContextOptionsBuilder <AlexandriaDbContext>()
.UseInMemoryDatabase(Guid.NewGuid().ToString())
.Options;
var db = new AlexandriaDbContext(options);
var starRatingsService = new StarRatingsService(db);
await starRatingsService.CreateRatingAsync(5, "userId", 1);
var result = await db.StarRatings.FirstOrDefaultAsync();
Assert.Equal(5, result.Rate);
Assert.Equal("userId", result.UserId);
Assert.Equal(1, result.BookId);
}