public void RegisterIpAddress_IpAddressIsAlreadyRegistered_GetsVisitorByIpAddress()
{
// Arrange
Visitor visitor = new Visitor { VisitorId = 1, IpAddress = "127.0.0.1" };
// Arrange - mock visitorRepository
Mock<IVisitorRepository> visitorRepositoryMock = new Mock<IVisitorRepository>();
visitorRepositoryMock.Setup(r => r.GetByIpAddress(visitor.IpAddress))
.Returns(visitor);
// Arrange - mock unitOfWork
Mock<IUnitOfWork> unitOfWorkMock = new Mock<IUnitOfWork>();
unitOfWorkMock.SetupGet(unitOfWork => unitOfWork.VisitorRepository)
.Returns(visitorRepositoryMock.Object);
// Arrange - create target
IVisitorService target = new VisitorService(unitOfWorkMock.Object, this._visitorValidationMock.Object);
// Act
Visitor registeredVisitor = target.RegisterIpAddress(visitor.IpAddress);
// Assert
Assert.AreSame(visitor, registeredVisitor);
visitorRepositoryMock.Verify(r => r.GetByIpAddress(visitor.IpAddress), Times.Once);
visitorRepositoryMock.Verify(r => r.Insert(It.Is<Visitor>(v => v.VisitorId == visitor.VisitorId)), Times.Never);
unitOfWorkMock.Verify(r => r.Save(), Times.Never);
}
public Visitor RegisterIpAddress(string ipAddress)
{
Guard.NotNull(ipAddress, "ipAddress");
if (!this._visitorValidation.IsValidIpAddress(ipAddress))
{
throw new InvalidIpAddressFormatException(String.Format("IP address '{0}' has invalid format.", ipAddress));
}
Visitor visitor = this._unitOfWork.VisitorRepository.GetByIpAddress(ipAddress);
if (visitor == null)
{
// Ip address is not registered yet
visitor = new Visitor { IpAddress = ipAddress };
this._unitOfWork.VisitorRepository.Insert(visitor);
this._unitOfWork.Save();
}
return visitor;
}
public void ViewArticle_ArticleAlreadyViewed_UpdatesLastViewDate()
{
// Arrange
int visitorId = 1;
int articleId = 2;
DateTime lastViewDate = DateTime.Now;
ArticleVisitor[] articleVisitors =
{
new ArticleVisitor { ArticleId = articleId, VisitorId = visitorId, LastViewDate = lastViewDate },
new ArticleVisitor { VisitorId = visitorId, ArticleId = articleId + 1 },
new ArticleVisitor { VisitorId = visitorId, ArticleId = articleId + 2 }
};
Visitor visitor = new Visitor { VisitorId = visitorId, ArticleVisitors = articleVisitors.ToList() };
Expression<Func<Visitor, object>>[] propertiesToInclude = { v => v.ArticleVisitors };
// Arrange - mock visitorRepository
Mock<IVisitorRepository> visitorRepositoryMock = new Mock<IVisitorRepository>();
visitorRepositoryMock.Setup(
r =>
r.GetById(visitorId,
It.Is<Expression<Func<Visitor, object>>[]>(
selector => ExpressionHelper.AreExpressionArraysEqual(selector, propertiesToInclude))))
.Returns(visitor);
IEnumerable<ArticleVisitor> newArticleVisitors = null;
visitorRepositoryMock.Setup(r => r.Update(It.Is<Visitor>(v => v.VisitorId == visitorId)))
.Callback((Visitor v) => newArticleVisitors = v.ArticleVisitors);
// Arrange - mock unitOfWork
Mock<IUnitOfWork> unitOfWorkMock = new Mock<IUnitOfWork>();
unitOfWorkMock.SetupGet(u => u.VisitorRepository)
.Returns(visitorRepositoryMock.Object);
// Arrange - create target
IVisitorService target = new VisitorService(unitOfWorkMock.Object, this._visitorValidationMock.Object);
// Act
target.ViewArticle(visitorId, articleId);
// Assert
Assert.IsNotNull(newArticleVisitors);
Assert.AreEqual(articleVisitors.Count(), newArticleVisitors.Count());
ArticleVisitor articleVisitor = newArticleVisitors.FirstOrDefault(v => v.ArticleId == articleId);
Assert.IsNotNull(articleVisitor);
Assert.IsTrue(articleVisitor.LastViewDate.Subtract(lastViewDate)
.TotalMilliseconds > 0);
visitorRepositoryMock.Verify(
r =>
r.GetById(visitorId,
It.Is<Expression<Func<Visitor, object>>[]>(
selector => ExpressionHelper.AreExpressionArraysEqual(selector, propertiesToInclude))), Times.Once);
visitorRepositoryMock.Verify(r => r.Update(It.Is<Visitor>(v => v.VisitorId == visitorId)), Times.Once);
unitOfWorkMock.Verify(u => u.Save(), Times.Once);
}
public void ViewArticle_NonexistentArticleId_ThrowsArticleNotFoundException()
{
// Arrange
Visitor visitor = new Visitor { VisitorId = 1 };
int articleId = 2;
Expression<Func<Visitor, object>>[] propertiesToInclude = { v => v.ArticleVisitors };
// Arrange - mock visitorRepository
Mock<IVisitorRepository> visitorRepositoryMock = new Mock<IVisitorRepository>();
visitorRepositoryMock.Setup(
r =>
r.GetById(visitor.VisitorId,
It.Is<Expression<Func<Visitor, object>>[]>(
selector => ExpressionHelper.AreExpressionArraysEqual(selector, propertiesToInclude))))
.Returns(visitor);
// 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.VisitorRepository)
.Returns(visitorRepositoryMock.Object);
unitOfWorkMock.SetupGet(u => u.ArticleRepository)
.Returns(articleRepositoryMock.Object);
// Arrange - create target
IVisitorService target = new VisitorService(unitOfWorkMock.Object, this._visitorValidationMock.Object);
// Act and Assert
Assert.Throws<ArticleNotFoundException>(() => target.ViewArticle(visitor.VisitorId, articleId));
visitorRepositoryMock.Verify(
r =>
r.GetById(visitor.VisitorId,
It.Is<Expression<Func<Visitor, object>>[]>(
selector => ExpressionHelper.AreExpressionArraysEqual(selector, propertiesToInclude))), Times.Once);
visitorRepositoryMock.Verify(r => r.Update(It.Is<Visitor>(v => v.VisitorId == visitor.VisitorId)), Times.Never);
articleRepositoryMock.Verify(r => r.GetById(articleId), Times.Once);
unitOfWorkMock.Verify(u => u.Save(), Times.Never);
}
public void ViewArticle_AllCredentialsAreValid_MarksArticleAsViewedByVisitor()
{
// Arrange
int visitorId = 1;
int articleId = 2;
ArticleVisitor[] articleVisitors =
{
new ArticleVisitor { VisitorId = visitorId, ArticleId = articleId + 1 },
new ArticleVisitor { VisitorId = visitorId, ArticleId = articleId + 2 }
};
Visitor visitor = new Visitor { VisitorId = visitorId, ArticleVisitors = articleVisitors.ToList() };
Article article = new Article { ArticleId = articleId };
Expression<Func<Visitor, object>>[] propertiesToInclude = { v => v.ArticleVisitors };
// Arrange - mock visitorRepository
Mock<IVisitorRepository> visitorRepositoryMock = new Mock<IVisitorRepository>();
visitorRepositoryMock.Setup(
r =>
r.GetById(visitorId,
It.Is<Expression<Func<Visitor, object>>[]>(
selector => ExpressionHelper.AreExpressionArraysEqual(selector, propertiesToInclude))))
.Returns(visitor);
IEnumerable<ArticleVisitor> newArticleVisitors = null;
visitorRepositoryMock.Setup(r => r.Update(It.Is<Visitor>(v => v.VisitorId == visitorId)))
.Callback((Visitor v) => newArticleVisitors = v.ArticleVisitors);
// Arrange - mock articleRepository
Mock<IArticleRepository> articleRepositoryMock = new Mock<IArticleRepository>();
articleRepositoryMock.Setup(r => r.GetById(articleId))
.Returns(article);
// Arrange - mock unitOfWork
Mock<IUnitOfWork> unitOfWorkMock = new Mock<IUnitOfWork>();
unitOfWorkMock.SetupGet(u => u.VisitorRepository)
.Returns(visitorRepositoryMock.Object);
unitOfWorkMock.SetupGet(u => u.ArticleRepository)
.Returns(articleRepositoryMock.Object);
// Arrange - create target
IVisitorService target = new VisitorService(unitOfWorkMock.Object, this._visitorValidationMock.Object);
// Act
target.ViewArticle(visitorId, articleId);
// Assert
Assert.IsNotNull(newArticleVisitors);
Assert.AreEqual(articleVisitors.Count() + 1, newArticleVisitors.Count());
ArticleVisitor articleVisitor = newArticleVisitors.FirstOrDefault(v => v.ArticleId == articleId);
Assert.IsNotNull(articleVisitor);
Assert.IsTrue(new DateTime() != articleVisitor.LastViewDate);
visitorRepositoryMock.Verify(
r =>
r.GetById(visitorId,
It.Is<Expression<Func<Visitor, object>>[]>(
selector => ExpressionHelper.AreExpressionArraysEqual(selector, propertiesToInclude))), Times.Once);
visitorRepositoryMock.Verify(r => r.Update(It.Is<Visitor>(v => v.VisitorId == visitorId)), Times.Once);
articleRepositoryMock.Verify(r => r.GetById(articleId), Times.Once);
unitOfWorkMock.Verify(u => u.Save(), Times.Once);
}