public async Task ByThemeIdAsyncShouldReturnCorrectAnswerAndOrderCorrectly()
{
//Arrange
var dbOptions = new DbContextOptionsBuilder <UndergroundStationDbContext>()
.UseInMemoryDatabase("UndergroundStationTestDb")
.Options;
var db = new UndergroundStationDbContext(dbOptions);
var articleService = new ArticleService(db);
var firstArticle = new ForumArticle
{
Id = 2,
PublishedDate = DateTime.UtcNow,
ForumThemeId = 1
};
var secondArticle = new ForumArticle
{
Id = 3,
PublishedDate = DateTime.UtcNow.AddDays(-1),
ForumThemeId = 1
};
var thirdArticle = new ForumArticle
{
Id = 4,
PublishedDate = DateTime.UtcNow,
ForumThemeId = 2
};
db.AddRange(firstArticle, secondArticle, thirdArticle);
await db.SaveChangesAsync();
//Act
var result = await articleService.ByThemeIdAsync(1, 1);
//Assert
result
.Should()
.Match
(r => r.ElementAt(0).Id == 3 &&
r.ElementAt(1).Id == 2)
.And
.HaveCount(2);
}
