public void AddNews_InValidNewsAddedToDb_ShouldThrowException()
{
// Arrange -> prapare the objects
var newInvalidNews = new News { Title = "Invalid", Content = "Something", PublishDate = DateTime.Now };
IRepository<News> repository = new Repository<News>();
// Act -> perform some logic
repository.Add(newInvalidNews);
repository.SaveChanges();
}
public void AddNews_ValidNewsAddedToDb_ShouldReturnNews()
{
// Arrange -> prapare the objects
var newValidNews = new News { Title = "Valid news added", Content = "Something", PublishDate = DateTime.Now };
IRepository<News> repository = new Repository<News>();
// Act -> perform some logic
repository.Add(newValidNews);
repository.SaveChanges();
// Assert -> validate the results
var newsFromDb = repository.Find(newValidNews.Id);
Assert.IsNotNull(newsFromDb);
Assert.AreEqual(newValidNews.Title, newsFromDb.Title);
Assert.AreEqual(newValidNews.Content, newsFromDb.Content);
Assert.AreEqual(newValidNews.PublishDate, newsFromDb.PublishDate);
Assert.IsTrue(newsFromDb.Id != 0);
}
public void UpdateNews_WithValidNews_ReturnsOKAndModifiedNews()
{
// Arange
var mockRepository = new Mock<INewsData>();
News[] news =
{
new News { Id = 100, Title = "News number 1", Content = "Content of first news", PublishDate = DateTime.Now }
};
mockRepository.Setup(rep => rep.News.Update(It.IsAny<News>())).Verifiable();
mockRepository.Setup(rep => rep.News.Find(It.IsAny<int>())).Returns(news.First());
var modifiedNewsItem = new News { Id = 100, Title = "Modified title", Content = "Content of first news", PublishDate = DateTime.Now };
var controller = new NewsController(mockRepository.Object);
// Act
IHttpActionResult result = controller.Put(modifiedNewsItem);
var updatedResult = result as NegotiatedContentResult<News>;
// Assert
Assert.IsNotNull(updatedResult);
Assert.AreEqual("Modified title", updatedResult.Content.Title);
Assert.IsInstanceOfType(result, typeof(NegotiatedContentResult<News>));
Assert.IsNotNull(updatedResult.Content);
}
public void DeleteNews_ExisitngNews_ReturnsOKAndModifiedNews()
{
// Arange
var mockRepository = new Mock<INewsData>();
var newsItem = new News
{
Id = 100,
Title = "News number 1",
Content = "Content of first news",
PublishDate = DateTime.Now
};
var news = new List<News>
{
newsItem
};
mockRepository.Setup(rep => rep.News.Delete(It.IsAny<int>())).Callback(()=>news.Remove(newsItem));
mockRepository.Setup(rep => rep.News.Find(It.IsAny<int>())).Returns(news.First());
var controller = new NewsController(mockRepository.Object);
// Act
IHttpActionResult result = controller.Delete(100);
// Assert
Assert.IsInstanceOfType(result, typeof(OkResult));
Assert.AreEqual(0, news.Count);
}
public void UpdateNews_WithNonExisitngNewsNews_ReturnsBadRequest()
{
// Arange
var mockRepository = new Mock<INewsData>();
News[] news =
{
new News { Id = 100, Title = "News number 1", Content = "Content of first news", PublishDate = DateTime.Now }
};
mockRepository.Setup(rep => rep.News.Update(It.IsAny<News>())).Verifiable();
mockRepository.Setup(rep => rep.News.Find(It.IsAny<int>())).Returns(news.First());
var modifiedNewsItem = new News { Id = 1000, Title = "Modified title", Content = "Content of first news", PublishDate = DateTime.Now };
var controller = new NewsController(mockRepository.Object);
// Act
IHttpActionResult result = controller.Put(modifiedNewsItem);
// Assert
Assert.IsInstanceOfType(result, typeof(BadRequestResult));
}
