public void Create_AllCredentialsAreValid_CreatesAndReturnsComment()
{
// Arrange
User user = new User { UserId = 1 };
Article article = new Article { ArticleId = 2 };
string commentText = "comment_text";
string validatedCommentText = "validated_comment_text";
// Arrange - mock userRepository
Mock<IUserRepository> userRepositoryMock = new Mock<IUserRepository>();
userRepositoryMock.Setup(r => r.GetById(user.UserId))
.Returns(user);
// Arrange - mock articleRepository
Mock<IArticleRepository> articleRepositoryMock = new Mock<IArticleRepository>();
articleRepositoryMock.Setup(r => r.GetById(article.ArticleId))
.Returns(article);
// Arrange - mock commentRepository
Mock<ICommentRepository> commentRepositoryMock = new Mock<ICommentRepository>();
// Arrange - mock unitOfWork
Mock<IUnitOfWork> unitOfWorkMock = new Mock<IUnitOfWork>();
unitOfWorkMock.SetupGet(u => u.UserRepository)
.Returns(userRepositoryMock.Object);
unitOfWorkMock.SetupGet(u => u.ArticleRepository)
.Returns(articleRepositoryMock.Object);
unitOfWorkMock.SetupGet(u => u.CommentRepository)
.Returns(commentRepositoryMock.Object);
// Arrange - mock commentValidation
this._commentValidationMock.Setup(v => v.ValidateCommentText(commentText))
.Returns(validatedCommentText);
// Arrange - create target
ICommentService target = new CommentService(unitOfWorkMock.Object, this._commentValidationMock.Object,
this._serviceSettings);
// Act
Comment comment = target.Create(user.UserId, article.ArticleId, commentText);
// Assert
Assert.IsNotNull(comment);
Assert.AreEqual(user.UserId, comment.UserId);
Assert.AreEqual(article.ArticleId, comment.ArticleId);
Assert.AreEqual(validatedCommentText, comment.Text);
Assert.IsTrue(new DateTime() != comment.Date);
userRepositoryMock.Verify(r => r.GetById(user.UserId), Times.Once);
articleRepositoryMock.Verify(r => r.GetById(article.ArticleId), Times.Once);
commentRepositoryMock.Verify(
r =>
r.Insert(
It.Is<Comment>(c => c.UserId == user.UserId && c.ArticleId == article.ArticleId && c.Text == validatedCommentText)),
Times.Once);
unitOfWorkMock.Verify(u => u.Save(), Times.Once);
this._commentValidationMock.Verify(v => v.ValidateCommentText(commentText), Times.Once);
}
public void Create_NonexistentArticleId_ThrowsArticleNotFoundException()
{
// Arrange
User user = new User { UserId = 1 };
int articleId = 2;
string commentText = "comment_text";
// Arrange - mock userRepository
Mock<IUserRepository> userRepositoryMock = new Mock<IUserRepository>();
userRepositoryMock.Setup(r => r.GetById(user.UserId))
.Returns(user);
// 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.UserRepository)
.Returns(userRepositoryMock.Object);
unitOfWorkMock.SetupGet(u => u.ArticleRepository)
.Returns(articleRepositoryMock.Object);
// Arrange - create target
ICommentService target = new CommentService(unitOfWorkMock.Object, this._commentValidationMock.Object,
this._serviceSettings);
// Act and Assert
Assert.Throws<ArticleNotFoundException>(() => target.Create(user.UserId, articleId, commentText));
userRepositoryMock.Verify(r => r.GetById(user.UserId), Times.Once);
articleRepositoryMock.Verify(r => r.GetById(articleId), Times.Once);
}
public void AddVote_UserHasNotVotedYet_AddsVote()
{
// Arrange
int commentId = 1;
int userId = 1;
bool voteIsPositive = true;
CommentVote[] commentVotes =
{
new CommentVote { CommentId = commentId, UserId = userId + 1 },
new CommentVote { CommentId = commentId, UserId = userId + 2 }
};
User user = new User { UserId = userId };
Comment comment = new Comment { CommentId = commentId, CommentVotes = commentVotes.ToList() };
Expression<Func<Comment, object>>[] propertiesToInclude = { c => c.CommentVotes };
// Arrange - mock commentRepository
Mock<ICommentRepository> commentRepositoryMock = new Mock<ICommentRepository>();
commentRepositoryMock.Setup(
r =>
r.GetById(commentId,
It.Is<Expression<Func<Comment, object>>[]>(
selector => ExpressionHelper.AreExpressionArraysEqual(selector, propertiesToInclude))))
.Returns(comment);
IEnumerable<CommentVote> newCommentVotes = null;
commentRepositoryMock.Setup(r => r.Update(It.Is<Comment>(c => c.CommentId == commentId)))
.Callback((Comment c) => newCommentVotes = c.CommentVotes);
// Arrange - mock userRepository
Mock<IUserRepository> userRepositoryMock = new Mock<IUserRepository>();
userRepositoryMock.Setup(r => r.GetById(userId))
.Returns(user);
// Arrange - mock unitOfWork
Mock<IUnitOfWork> unitOfWorkMock = new Mock<IUnitOfWork>();
unitOfWorkMock.SetupGet(u => u.CommentRepository)
.Returns(commentRepositoryMock.Object);
unitOfWorkMock.SetupGet(u => u.UserRepository)
.Returns(userRepositoryMock.Object);
// Arrange - create target
ICommentService target = new CommentService(unitOfWorkMock.Object, this._commentValidationMock.Object,
this._serviceSettings);
// Act
target.AddVote(commentId, userId, voteIsPositive);
// Assert
Assert.IsNotNull(newCommentVotes);
Assert.AreEqual(commentVotes.Count() + 1, newCommentVotes.Count());
CommentVote commentVote =
newCommentVotes.FirstOrDefault(v => v.UserId == userId && v.IsPositive == voteIsPositive);
Assert.IsNotNull(commentVote);
commentRepositoryMock.Verify(
r =>
r.GetById(commentId,
It.Is<Expression<Func<Comment, object>>[]>(
selector => ExpressionHelper.AreExpressionArraysEqual(selector, propertiesToInclude))), Times.Once);
commentRepositoryMock.Verify(r => r.Update(It.Is<Comment>(c => c.CommentId == commentId)), Times.Once);
userRepositoryMock.Verify(r => r.GetById(userId), Times.Once());
unitOfWorkMock.Verify(r => r.Save(), Times.Once);
}
public void Reply_AllCredentialsAreValid_CreatesAndReturnsReply()
{
// Arrange
User user = new User { UserId = 1 };
string commentText = "comment_text";
string validatedCommentText = "validated_comment_text";
Comment[] commentReplies = { new Comment { CommentId = 2 }, new Comment { CommentId = 3 } };
Comment comment = new Comment { CommentId = 4, ArticleId = 5, Comment1 = commentReplies.ToList() };
Expression<Func<Comment, object>>[] propertiesToInclude = { c => c.Comment1 };
// Arrange - mock commentRepository
Mock<ICommentRepository> commentRepositoryMock = new Mock<ICommentRepository>();
commentRepositoryMock.Setup(
r =>
r.GetById(comment.CommentId,
It.Is<Expression<Func<Comment, object>>[]>(
selector => ExpressionHelper.AreExpressionArraysEqual(selector, propertiesToInclude))))
.Returns(comment);
IEnumerable<Comment> newCommentReplies = null;
commentRepositoryMock.Setup(r => r.Update(It.IsAny<Comment>()))
.Callback((Comment c) => newCommentReplies = c.Comment1);
// Arrange - mock userRepository
Mock<IUserRepository> userRepositoryMock = new Mock<IUserRepository>();
userRepositoryMock.Setup(r => r.GetById(user.UserId))
.Returns(user);
// Arrange - mock unitOfWork
Mock<IUnitOfWork> unitOfWorkMock = new Mock<IUnitOfWork>();
unitOfWorkMock.SetupGet(u => u.CommentRepository)
.Returns(commentRepositoryMock.Object);
unitOfWorkMock.SetupGet(u => u.UserRepository)
.Returns(userRepositoryMock.Object);
// Arrange - mock commentValidation
this._commentValidationMock.Setup(v => v.ValidateCommentText(commentText))
.Returns(validatedCommentText);
// Arrange - create target
ICommentService target = new CommentService(unitOfWorkMock.Object, this._commentValidationMock.Object,
this._serviceSettings);
// Act
Comment reply = target.Reply(comment.CommentId, user.UserId, commentText);
// Assert
Assert.IsNotNull(reply);
Assert.AreEqual(user.UserId, reply.UserId);
Assert.AreEqual(comment.ArticleId, reply.ArticleId);
Assert.AreEqual(validatedCommentText, reply.Text);
Assert.IsTrue(new DateTime() != reply.Date);
Assert.IsNotNull(newCommentReplies);
Assert.AreEqual(commentReplies.Count() + 1, newCommentReplies.Count());
Assert.IsTrue(newCommentReplies.Contains(reply));
commentRepositoryMock.Verify(
r =>
r.GetById(comment.CommentId,
It.Is<Expression<Func<Comment, object>>[]>(
selector => ExpressionHelper.AreExpressionArraysEqual(selector, propertiesToInclude))), Times.Once);
commentRepositoryMock.Verify(r => r.Update(It.Is<Comment>(c => c.CommentId == comment.CommentId)), Times.Once);
userRepositoryMock.Verify(r => r.GetById(user.UserId), Times.Once);
unitOfWorkMock.Verify(r => r.Save(), Times.Once);
this._commentValidationMock.Verify(v => v.ValidateCommentText(commentText), Times.Once);
}
public User Create(string email, string firstName, string lastName, string password)
{
Guard.NotNullOrEmpty(email, "email");
Guard.NotNullOrEmpty(firstName, "firstName");
Guard.NotNullOrEmpty(lastName, "lastName");
Guard.NotNullOrEmpty(password, "password");
if (!this._userValidation.IsValidEmail(email))
{
throw new InvalidEmailFormatException(String.Format("Email '{0}' has invalid format.", email));
}
if (!this._userValidation.IsValidName(firstName))
{
throw new InvalidFirstNameFormatException(String.Format("First name '{0}' has invalid format.", firstName));
}
if (!this._userValidation.IsValidName(lastName))
{
throw new InvalidLastNameFormatException(String.Format("Last name '{0}' has invalid format.", lastName));
}
PasswordStrength passwordStrength = this._userValidation.GetPasswordStrength(password);
if (passwordStrength < PasswordStrength.Strong)
{
throw new PasswordIsNotStrongEnoughException(String.Format("Password '{0}' is not strong enough.", password));
}
User user = this._unitOfWork.UserRepository.GetByEmail(email);
if (user != null)
{
throw new EmailAlreadyExistsException(String.Format("User with email '{0}' already exists.", email));
}
SecuredPassword securedPassword = this._securedPasswordHelper.GetSecuredPassword(password);
user = new User
{
Email = email, FirstName = firstName, LastName = lastName, Password = securedPassword.Hash,
Salt = securedPassword.Salt, RegistrationDate = DateTime.Now
};
this._unitOfWork.UserRepository.Insert(user);
this._unitOfWork.Save();
return user;
}
private bool IsPasswordCorrect(string password, User user)
{
SecuredPassword securedPassword = new SecuredPassword(user.Password, user.Salt);
return this._securedPasswordHelper.ArePasswordsEqual(password, securedPassword);
}
public void Create_TagIdsArrayIsEmpty_DoNotGetTagsFromRepository()
{
// Arrange
User user = new User { UserId = 1 };
string articleTitle = "article_title";
string articleText = "article_text";
string validatedArticleTitle = "validated_article_title";
string validatedArticleText = "validated_article_text";
Topic topic = new Topic { TopicId = 2 };
int[] tagIds = { };
// Arrange - mock userRepository
Mock<IUserRepository> userRepositoryMock = new Mock<IUserRepository>();
userRepositoryMock.Setup(r => r.GetById(user.UserId))
.Returns(user);
// Arrange - mock topicRepository
Mock<ITopicRepository> topicRepositoryMock = new Mock<ITopicRepository>();
topicRepositoryMock.Setup(r => r.GetById(topic.TopicId))
.Returns(topic);
// Arrange - mock tagRepository
Mock<ITagRepository> tagRepositoryMock = new Mock<ITagRepository>();
// Arrange - mock articleRepository
Mock<IArticleRepository> articleRepositoryMock = new Mock<IArticleRepository>();
// Arrange - mock unitOfWork
Mock<IUnitOfWork> unitOfWorkMock = new Mock<IUnitOfWork>();
unitOfWorkMock.SetupGet(u => u.UserRepository)
.Returns(userRepositoryMock.Object);
unitOfWorkMock.SetupGet(u => u.TopicRepository)
.Returns(topicRepositoryMock.Object);
unitOfWorkMock.SetupGet(u => u.TagRepository)
.Returns(tagRepositoryMock.Object);
unitOfWorkMock.SetupGet(u => u.ArticleRepository)
.Returns(articleRepositoryMock.Object);
// Arrange - mock articleValidation
this._articleValidationMock.Setup(v => v.ValidateTitle(articleTitle))
.Returns(validatedArticleTitle);
this._articleValidationMock.Setup(v => v.ValidateArticleText(articleText))
.Returns(validatedArticleText);
// Arrange - create target
IArticleService target = new ArticleService(unitOfWorkMock.Object, this._articleValidationMock.Object);
// Act
Article article = target.Create(user.UserId, articleTitle, articleText, topic.TopicId, tagIds);
// Assert
Assert.IsNotNull(article);
Assert.AreEqual(user.UserId, article.UserId);
Assert.AreEqual(topic.TopicId, article.TopicId);
Assert.AreEqual(validatedArticleTitle, article.Title);
Assert.AreEqual(validatedArticleText, article.Text);
Assert.IsFalse(article.Tags.Any());
Assert.IsTrue(new DateTime() != article.PublicationDate);
userRepositoryMock.Verify(r => r.GetById(user.UserId), Times.Once);
topicRepositoryMock.Verify(r => r.GetById(topic.TopicId), Times.Once);
tagRepositoryMock.Verify(
r =>
r.Get(It.IsAny<Expression<Func<Tag, bool>>>(), It.IsAny<Func<IQueryable<Tag>, IOrderedQueryable<Tag>>>(),
It.IsAny<Expression<Func<Tag, object>>[]>()), Times.Never);
articleRepositoryMock.Verify(
r =>
r.Insert(
It.Is<Article>(a => a.UserId == user.UserId && a.Title == validatedArticleTitle && a.Text == validatedArticleText)),
Times.Once);
unitOfWorkMock.Verify(u => u.Save(), Times.Once);
this._articleValidationMock.Verify(v => v.ValidateTitle(articleTitle), Times.Once);
this._articleValidationMock.Verify(v => v.ValidateArticleText(articleText), Times.Once);
}
public void Create_AllCredentialsAreValid_CreatesArticle()
{
// Arrange
User user = new User { UserId = 1 };
string articleTitle = "article_title";
string articleText = "article_text";
string validatedArticleTitle = "validated_article_title";
string validatedArticleText = "validated_article_text";
Topic topic = new Topic { TopicId = 2 };
int[] tagIds = { 1, 2, 3, 4 };
IList<Tag> tags = new List<Tag>();
foreach (int tagId in tagIds)
{
tags.Add(new Tag { TagId = tagId });
}
// Arrange - mock userRepository
Mock<IUserRepository> userRepositoryMock = new Mock<IUserRepository>();
userRepositoryMock.Setup(r => r.GetById(user.UserId))
.Returns(user);
// Arrange - mock topicRepository
Mock<ITopicRepository> topicRepositoryMock = new Mock<ITopicRepository>();
topicRepositoryMock.Setup(r => r.GetById(topic.TopicId))
.Returns(topic);
// Arrange - mock tagRepository
Mock<ITagRepository> tagRepositoryMock = new Mock<ITagRepository>();
tagRepositoryMock.Setup(
r => r.Get(It.IsAny<Expression<Func<Tag, bool>>>(), null, It.Is<Expression<Func<Tag, object>>[]>(e => !e.Any())))
.Returns(
(Expression<Func<Tag, bool>> filter, Func<IQueryable<Tag>, IOrderedQueryable<Tag>> orderBy,
Expression<Func<Tag, object>>[] selector) => CollectionHelper.FilterCollection(tags, filter, orderBy));
// Arrange - mock articleRepository
Mock<IArticleRepository> articleRepositoryMock = new Mock<IArticleRepository>();
// Arrange - mock unitOfWork
Mock<IUnitOfWork> unitOfWorkMock = new Mock<IUnitOfWork>();
unitOfWorkMock.SetupGet(u => u.UserRepository)
.Returns(userRepositoryMock.Object);
unitOfWorkMock.SetupGet(u => u.TopicRepository)
.Returns(topicRepositoryMock.Object);
unitOfWorkMock.SetupGet(u => u.TagRepository)
.Returns(tagRepositoryMock.Object);
unitOfWorkMock.SetupGet(u => u.ArticleRepository)
.Returns(articleRepositoryMock.Object);
// Arrange - mock articleValidation
this._articleValidationMock.Setup(v => v.ValidateTitle(articleTitle))
.Returns(validatedArticleTitle);
this._articleValidationMock.Setup(v => v.ValidateArticleText(articleText))
.Returns(validatedArticleText);
// Arrange - create target
IArticleService target = new ArticleService(unitOfWorkMock.Object, this._articleValidationMock.Object);
// Act
Article article = target.Create(user.UserId, articleTitle, articleText, topic.TopicId, tagIds);
// Assert
Assert.IsNotNull(article);
Assert.AreEqual(user.UserId, article.UserId);
Assert.AreEqual(topic.TopicId, article.TopicId);
Assert.AreEqual(validatedArticleTitle, article.Title);
Assert.AreEqual(validatedArticleText, article.Text);
Assert.AreEqual(tags, article.Tags);
Assert.IsTrue(new DateTime() != article.PublicationDate);
userRepositoryMock.Verify(r => r.GetById(user.UserId), Times.Once);
topicRepositoryMock.Verify(r => r.GetById(topic.TopicId), Times.Once);
tagRepositoryMock.Verify(
r => r.Get(It.IsAny<Expression<Func<Tag, bool>>>(), null, It.Is<Expression<Func<Tag, object>>[]>(e => !e.Any())),
Times.Once);
articleRepositoryMock.Verify(
r =>
r.Insert(
It.Is<Article>(a => a.UserId == user.UserId && a.Title == validatedArticleTitle && a.Text == validatedArticleText)),
Times.Once);
unitOfWorkMock.Verify(u => u.Save(), Times.Once);
this._articleValidationMock.Verify(v => v.ValidateTitle(articleTitle), Times.Once);
this._articleValidationMock.Verify(v => v.ValidateArticleText(articleText), Times.Once);
}
public void Create_NonexistentTopicId_ThrowsTopicNotFoundException()
{
// Arrange
User user = new User { UserId = 1 };
string articleTitle = "article_title";
string articleText = "article_text";
int topicId = 2;
int[] tagIds = { 1, 2, 3, 4 };
// Arrange - mock userRepository
Mock<IUserRepository> userRepositoryMock = new Mock<IUserRepository>();
userRepositoryMock.Setup(r => r.GetById(user.UserId))
.Returns(user);
// Arrange - mock topicRepository
Mock<ITopicRepository> topicRepositoryMock = new Mock<ITopicRepository>();
topicRepositoryMock.Setup(r => r.GetById(topicId))
.Returns((Topic)null);
// Arrange - mock unitOfWork
Mock<IUnitOfWork> unitOfWorkMock = new Mock<IUnitOfWork>();
unitOfWorkMock.SetupGet(u => u.UserRepository)
.Returns(userRepositoryMock.Object);
unitOfWorkMock.SetupGet(u => u.TopicRepository)
.Returns(topicRepositoryMock.Object);
// Arrange - create target
IArticleService target = new ArticleService(unitOfWorkMock.Object, this._articleValidationMock.Object);
// Act and Assert
Assert.Throws<TopicNotFoundException>(
() => target.Create(user.UserId, articleTitle, articleText, topicId, tagIds));
userRepositoryMock.Verify(r => r.GetById(user.UserId), Times.Once);
topicRepositoryMock.Verify(r => r.GetById(topicId), Times.Once);
}