public void Assign_ShouldAssignIdOfPost()
{
// Arrange
var post = new Post { Id = 0 };
// Act
target.Assign(post);
// Assert
post.Id.Should().Be(seedNumber + 1);
}
public void ShouldPopulateCollectionBasedReference()
{
var context = new InMemoryDataContext();
var child = new Post();
var blog = new Blog("Test");
child.Blog = blog;
context.Add(child);
context.Commit();
Assert.AreEqual(1, blog.Posts.Count(x => x == child));
}
public void ShouldPopulateSingleReference()
{
var context = new InMemoryDataContext();
var child = new Post();
var blog = new Blog("Test");
blog.Posts.Add(child);
context.Add(blog);
context.Commit();
Assert.IsNotNull(child.Blog);
}
public void ShouldPopulateBackReferenceCollections()
{
// Arrange
var context = new InMemoryDataContext();
var blog = new Blog();
var post = new Post { Blog = blog };
context.Add(post);
context.Commit();
// Act
var fetchedBlog = context.AsQueryable<Blog>().First();
// Assert
fetchedBlog.Posts.Count().Should().Be(1);
}
public void Add_ShouldUseIdentityForType()
{
//Arrange
_context.RegisterIdentityStrategy(new IntegerIdentityStrategy<Post>(x => x.Id));
var post = new Post {Id = 0};
//Act
_context.Add(post);
//Assert
post.Id.Should().NotBe(0);
}
public void Commit_ShouldRemoveOrphanedCollectionMembersWhenWholeCollectionRemoved()
{
// Arrange
var post1 = new Post();
var post2 = new Post();
var blog = new Blog
{
Posts = new List<Post> {post1, post2}
};
_context.Add(blog);
_context.Commit();
blog.Posts = null;
// Act
_context.Commit();
// Assert
_context.AsQueryable<Post>().Should().NotContain(post1);
_context.AsQueryable<Post>().Should().NotContain(post2);
_context.AsQueryable<Post>().Count().Should().Be(0);
}
public void Remove_ShouldRemoveFromParentButNotDeleteChildObjectsThatAreReferencedMoreThanOne()
{
//arrange
var post1 = new Post();
var post2 = new Post();
var blog1 = new Blog
{
Posts = new List<Post> {post1, post2}
};
var blog2 = new Blog
{
Posts = new List<Post> {post1}
};
var site = new Site
{
Blog = blog2
};
_context.Add(blog1);
_context.Add(site);
// Act
_context.Remove(blog2);
// Assert
_context.AsQueryable<Post>().Count().Should().Be(2);
_context.AsQueryable<Post>().First().Should().BeSameAs(post1);
_context.AsQueryable<Blog>().Single().Posts.Count().Should().Be(2);
site.Blog.Should().BeNull();
}
public void Remove_ShouldNotRemoveIfReferencedByAnotherCollection()
{
// Arrange
var post1 = new Post();
var post2 = new Post();
var blog1 = new Blog
{
Posts = new List<Post> {post1, post2}
};
var blog2 = new Blog
{
Posts = new List<Post> {post1}
};
_context.Add(blog1);
_context.Add(blog2);
// Act
_context.Remove(post2);
// Assert
_context.AsQueryable<Post>().Count().Should().Be(1);
_context.AsQueryable<Post>().First().Should().BeSameAs(post1);
_context.AsQueryable<Blog>().Where(b => b.Posts.Count > 1).Count().Should().Be(0);
}
public void Remove_ShouldRemoveDependentGraphOnBranchRemoval()
{
//arrange
var post = new Post();
var blog = new Blog
{
Posts = new List<Post> {new Post(), post}
};
var site = new Site
{
Blog = blog
};
_context.Add(site);
//act
_context.Remove(blog);
//assert
IQueryable<Post> posts = _context.AsQueryable<Post>();
posts.Count().Should().Be(0);
}
public void Remove_ShouldRemoveObjectFromRelatedCollection()
{
//arrange
var post = new Post();
var blog = new Blog {Posts = new List<Post> {post}};
_context.Add(blog);
//act
_context.Remove(post);
//assert
_context.AsQueryable<Blog>().Count().Should().Be(1);
_context.AsQueryable<Blog>().First().Posts.Count().Should().Be(0);
_context.AsQueryable<Post>().Count().Should().Be(0);
}
public void Add_ShouldNotAddAnItemTwiceForMultipleReferences()
{
//arrange
var post = new Post();
var blog = new Blog
{
Posts = new List<Post> {post, new Post()}
};
var blog2 = new Blog
{
Posts = new List<Post> {post}
};
_context.Add(blog);
//act
_context.Add(blog2);
//assert
_context.AsQueryable<Post>().Count().Should().Be(2);
}
public void Post(string title, Post post)
{
var blog = _repo.Find(new FindBlogByTitle(title));
blog.Posts.Add(post);
_repo.Context.Commit();
}