public void Can_Filter_BlogPosts_By_Tag()
{
// Arrange: Given a series of blogposts with tags associated, a repository and a blog controller
var tag = new Tag {TagID = 1, Name = "tag 1"};
var tag2 = new Tag {TagID = 2, Name = "tag 2"};
var blogPost = new BlogPost {ContentID = 1};
var blogPost2 = new BlogPost() {ContentID = 2};
var blogPost3 = new BlogPost() {ContentID = 3};
blogPost.Tags.Add(tag);
blogPost2.Tags.Add(tag2);
blogPost3.Tags.Add(tag);
blogPost3.Tags.Add(tag2);
// mock blog post repository
var moqBlogPostRepository = UnitTestHelpers.MockBlogPostRepositoryReturnsMoqObject(blogPost, blogPost2, blogPost3);
moqBlogPostRepository.
Setup(x => x.GetQueryableBlogPostByTagName(tag.Name)). // when a user wants to filter by tag
Returns((new List<BlogPost> {blogPost, blogPost3}).AsQueryable()); // They will obtain the filtered blogposts
var controller = new BlogController(moqBlogPostRepository.Object);
// Act: when the user clicks on a tag
var result = controller.Tag("tag-1");
// Assert: the result will be a view with a list of blogposts filtered by tag
var model = ((BlogPostViewModel) result.ViewData.Model).BlogPostPagedList;
model.Count.ShouldEqual(2);
model.Single(x => x.ContentID == 1).ContentID.ShouldEqual(1);
model.Single(x => x.ContentID == 3).ContentID.ShouldEqual(3);
Assert.IsNull(model.FirstOrDefault(x => x.ContentID == 2));
}
public void Can_Filter_Blogposts_By_Category()
{
// Arrange: Given a series of blogs associated with a categories, a repository that manages
// the access to those blogposts, and a blog controller
var category = new Category {CategoryID = 1, Name = "category 1"};
var category2 = new Category {CategoryID = 2, Name = "category 2"};
var blogPost = new BlogPost { ContentID = 1 };
var blogPost2 = new BlogPost() { ContentID = 2 };
var blogPost3 = new BlogPost() { ContentID = 3 };
blogPost.Categories.Add(category);
blogPost2.Categories.Add(category2);
blogPost3.Categories.Add(category);
var moqBlogPostRepository = UnitTestHelpers.MockBlogPostRepositoryReturnsMoqObject(blogPost, blogPost2,
blogPost3);
moqBlogPostRepository.
Setup(x => x.GetQueryableBlogPostByCategory(category.Name)). // when a user wants to filter by category
Returns((new List<BlogPost> {blogPost, blogPost3}).AsQueryable()); // They will obtain the filtered blogposts
var controller = new BlogController(moqBlogPostRepository.Object);
// Act: when the user clicks on category
var result = controller.Category("category-1");
// Assert: the result will be a view with a list of blogposts filtered by category
var model = ((BlogPostViewModel) result.ViewData.Model).BlogPostPagedList;
model.Count.ShouldEqual(2);
model.Single(x => x.ContentID == 1).ContentID.ShouldEqual(1);
model.Single(x => x.ContentID == 3).ContentID.ShouldEqual(3);
Assert.IsNull(model.FirstOrDefault(x => x.ContentID == 2));
}
public void Can_Get_A_Related_List_Of_BLogPosts()
{
// Arrange: Given a series of blogposts that are related by tags and categories, a repository
// that manages those blogposts and a blog controller
// categories
var category = new Category() { CategoryID = 1, Name = "category 1" };
var category2 = new Category() { CategoryID = 2, Name = "category 2" };
// blogposts
var blogPost = new BlogPost() { ContentID = 1 , Title = "blogPost 1", Path="blogpost-1", PublishingDate = DateTime.Now};
var blogPost2 = new BlogPost() { ContentID = 2 };
var blogPost3 = new BlogPost() { ContentID = 3 };
var blogPost4 = new BlogPost() { ContentID = 4 };
// add categories to blogposts
blogPost.Categories.Add(category);
blogPost2.Categories.Add(category2);
blogPost3.Categories.Add(category);
// create mock repository
var moqBlogPostRepository = UnitTestHelpers.MockBlogPostRepositoryReturnsMoqObject(blogPost, blogPost2,
blogPost3);
const int numberOfRelatedPosts = 5;
//moq get by id
moqBlogPostRepository.Setup(x => x.GetByPath(blogPost.PublishingDate.Year,
blogPost.PublishingDate.Month,
blogPost.PublishingDate.Day, blogPost.Path)).Returns(blogPost);
//moq getQueryableRelatedBlogPosts
moqBlogPostRepository.
Setup(x => x.GetListOfRelatedBlogPosts(blogPost, numberOfRelatedPosts)). // when a user wants to get related posts
Returns((new List<BlogPost> { blogPost3 })); // They will obtain the related posts
var controller = new BlogController(moqBlogPostRepository.Object);
// Act: when the user goes into the detail screen
var result = controller.Details(blogPost.PublishingDate.Year,
blogPost.PublishingDate.Month,
blogPost.PublishingDate.Day,
blogPost.Path);
// Assert: then he can see a series of related blogposts
var viewResult = ((ViewResult) result);
var model = ((BlogPostDetailModel) viewResult.ViewData.Model);
model.HasRelatedBlogPosts.ShouldEqual(true);
model.RelatedBlogPosts.Count.ShouldEqual(1);
}
public void Can_View_A_Selected_BlogPost()
{
//Arrange: Given a series of blog posts, a repository and a controller
const int year = 2010;
const int month = 10;
const int day = 10;
BlogPost selectedBlogPost = new BlogPost
{
ContentID = 1,
Title = "This is a post title",
Path = "this-is-a-post-title",
PublishingDate = new DateTime(year, month, day),
};
var moqBlogPostRepository = UnitTestHelpers.MockBlogPostRepositoryReturnsMoqObject(selectedBlogPost,
new BlogPost() {ContentID = 2});
moqBlogPostRepository.Setup(x => x.GetByPath(year, month, day, selectedBlogPost.Path)).Returns(selectedBlogPost);
var controller = new BlogController(moqBlogPostRepository.Object);
//Act: if the user clicks on one of the blogpost
var result = controller.Details(year, month, day, // Date
selectedBlogPost.Path); // path
var view = (ViewResult) result;
//Assert: then the user will be able to see the content of the blogpost
((BlogPostDetailModel) view.ViewData.Model).BlogPost.ContentID.ShouldEqual(1);
}
public void Can_List_BlogPosts_Ordered_Descending_By_PublishedDate()
{
//Arrange: Given a repository of blog posts and a BlogPost controller
var mockBlogPostRepository = UnitTestHelpers.MockBlogPostRepository(
new BlogPost {ContentID = 1, PublishingDate = DateTime.Now},
new BlogPost {ContentID = 2, PublishingDate = DateTime.Now.AddDays(1)});
var controller = new BlogController(mockBlogPostRepository);
// Act: When the user goes to see the list of blogs
var result = controller.Index();
// Assert: the user can see all the blog posts orderer by descending publishing date
var model = (BlogPostViewModel) result.ViewData.Model;
model.BlogPostPagedList.First().ContentID.ShouldEqual(2);
model.BlogPostPagedList[1].ContentID.ShouldEqual(1);
}
public void Can_List_All_BlogPosts_Other_Pages()
{
//Arrange: Given a repository of blog posts and a BlogPost Controller
// and that the number of posts per page is set to 5 (Pang! Magic Number!)
var mockBlogPostRepository = UnitTestHelpers.MockBlogPostRepository(
new BlogPost {ContentID = 1}, new BlogPost {ContentID = 2}, new BlogPost {ContentID = 3},
new BlogPost {ContentID = 4}, new BlogPost {ContentID = 5}, new BlogPost {ContentID = 6});
var controller = new BlogController(mockBlogPostRepository);
// Act: When the user goes to see the second page
var result = controller.Index(1);
// Assert: the user can see all the blog posts that belong to the second page
var model = (BlogPostViewModel) result.ViewData.Model;
model.BlogPostPagedList.Count.ShouldEqual(1);
model.BlogPostPagedList.PageNumber.ShouldEqual(2);
}
public void Can_List_All_BlogPosts_First_Page()
{
// Arrange : Given a repository of blog posts and a BlogPost Controller
var mockBlogPostRepository = UnitTestHelpers.MockBlogPostRepository(
new BlogPost {ContentID = 1, Title = "Blog post 1", BodyContent = "Content 1"},
new BlogPost {ContentID = 2, Title = "Blog Post 2", BodyContent = "Content 2"});
var controller = new BlogController(mockBlogPostRepository);
// Act: When the user goes to see the index
var result = controller.Index();
// Assert: the user can see all the blogposts that belong to the first page
var model = (BlogPostViewModel) result.ViewData.Model;
model.BlogPostPagedList.Count.ShouldEqual(2);
model.BlogPostPagedList.PageNumber.ShouldEqual(0);
model.BlogPostPagedList.PageNumber.ShouldEqual(1);
}
