public void Delete_UserIsNotTheAuthorOfArticle_ThrowsDeletingArticleIsForbiddenException()
{
// Arrange
int userId = 1;
Article article = new Article { ArticleId = 2, UserId = userId + 1 };
// Arrange - mock articleRepository
Mock<IArticleRepository> articleRepositoryMock = new Mock<IArticleRepository>();
articleRepositoryMock.Setup(r => r.GetById(article.ArticleId))
.Returns(article);
// Arrange - mock unitOfWork
Mock<IUnitOfWork> unitOfWorkMock = new Mock<IUnitOfWork>();
unitOfWorkMock.SetupGet(u => u.ArticleRepository)
.Returns(articleRepositoryMock.Object);
IArticleService target = new ArticleService(unitOfWorkMock.Object, this._articleValidationMock.Object);
// Act and Assert
Assert.Throws<DeletingArticleIsForbiddenException>(() => target.Delete(article.ArticleId, userId));
// Assert
articleRepositoryMock.Verify(r => r.GetById(article.ArticleId), Times.Once);
articleRepositoryMock.Verify(r => r.Delete(It.Is<Article>(t => t.ArticleId == article.ArticleId)), Times.Never);
unitOfWorkMock.Verify(r => r.Save(), Times.Never);
}
public void Delete_NonexistentArticleId_ThrowsArticleNotFoundException()
{
// Arrange
int articleId = 1;
int userId = 2;
// Arrange - mock articleRepository
Mock<IArticleRepository> articleRepositoryMock = new Mock<IArticleRepository>();
articleRepositoryMock.Setup(r => r.GetById(articleId))
.Returns((Article)null);
// Arrange - mock unitOfWork
Mock<IUnitOfWork> unitOfWorkMock = new Mock<IUnitOfWork>();
unitOfWorkMock.SetupGet(u => u.ArticleRepository)
.Returns(articleRepositoryMock.Object);
IArticleService target = new ArticleService(unitOfWorkMock.Object, this._articleValidationMock.Object);
// Act and Assert
Assert.Throws<ArticleNotFoundException>(() => target.Delete(articleId, userId));
articleRepositoryMock.Verify(r => r.GetById(articleId), Times.Once);
articleRepositoryMock.Verify(r => r.Delete(It.Is<Article>(t => t.ArticleId == articleId)), Times.Never);
unitOfWorkMock.Verify(r => r.Save(), Times.Never);
}
public void Delete_UserIdIsLessOrEqualToZero_ThrowsArgumentOutOfRangeException()
{
// Arrange
int articleId = 1;
IArticleService target = new ArticleService(new Mock<IUnitOfWork>().Object, this._articleValidationMock.Object);
// Act and Assert
Assert.Throws<ArgumentOutOfRangeException>(() => target.Delete(articleId, -1));
Assert.Throws<ArgumentOutOfRangeException>(() => target.Delete(articleId, 0));
}
public void Delete_ArticleIdIsValid_DeletesArticle()
{
// Arrange
Article article = new Article { ArticleId = 1, UserId = 2 };
// Arrange - mock articleRepository
Mock<IArticleRepository> articleRepositoryMock = new Mock<IArticleRepository>();
articleRepositoryMock.Setup(r => r.GetById(article.ArticleId))
.Returns(article);
// Arrange - mock unitOfWork
Mock<IUnitOfWork> unitOfWorkMock = new Mock<IUnitOfWork>();
unitOfWorkMock.SetupGet(u => u.ArticleRepository)
.Returns(articleRepositoryMock.Object);
IArticleService target = new ArticleService(unitOfWorkMock.Object, this._articleValidationMock.Object);
// Act
target.Delete(article.ArticleId, article.UserId);
// Assert
articleRepositoryMock.Verify(r => r.GetById(article.ArticleId), Times.Once);
articleRepositoryMock.Verify(r => r.Delete(It.Is<Article>(t => t.ArticleId == article.ArticleId)), Times.Once);
unitOfWorkMock.Verify(r => r.Save(), Times.Once);
}