public void Check21ValidatePostContentTwoErrors()
{
using (var db = new SampleWebAppDb())
{
//SETUP
var existingTag = db.Tags.First();
var existingBlogger = db.Blogs.First();
//ATTEMPT
var newPost = new Post()
{
Blogger = existingBlogger,
Title = "Test post",
Content = "Should not end sentence with sheep. Nor end sentence with lamb.",
Tags = new[] { existingTag }
};
db.Posts.Add(newPost);
var status = db.SaveChangesWithChecking();;
//VERIFY
status.IsValid.ShouldEqual(false);
status.Errors.Count.ShouldEqual(2);
status.Errors[0].ErrorMessage.ShouldEqual("Sorry. Not allowed to end a sentance with 'sheep'.");
status.Errors[1].ErrorMessage.ShouldEqual("Sorry. Not allowed to end a sentance with 'lamb'.");
}
}
public static void ResetBlogs(SampleWebAppDb context, TestDataSelection selection)
{
try
{
context.Posts.ToList().ForEach(x => context.Posts.Remove(x));
context.Tags.ToList().ForEach(x => context.Tags.Remove(x));
context.Blogs.ToList().ForEach(x => context.Blogs.Remove(x));
context.SaveChanges();
}
catch (Exception ex)
{
_logger.Critical("Exception when resetting the blogs", ex);
throw;
}
var bloggers = LoadDbDataFromXml.FormBlogsWithPosts(XmlBlogsDataFileManifestPath[selection]);
context.Blogs.AddRange(bloggers);
var status = context.SaveChangesWithChecking();
if (!status.IsValid)
{
_logger.CriticalFormat("Error when resetting courses data. Error:\n{0}",
string.Join(",", status.Errors));
throw new FormatException("problem writing to database. See log.");
}
}
public void Check20AddPostOk()
{
using (var db = new SampleWebAppDb())
{
//SETUP
var snap = new DbSnapShot(db);
//ATTEMPT
var uglyTag = db.Tags.Single(x => x.Slug == "ugly");
var jonBlogger = db.Blogs.First();
var newPost = new Post
{
Blogger = jonBlogger,
Content = "a few simple words.",
Title = "A new post",
Tags = new[] { uglyTag }
};
db.Posts.Add(newPost);
var status = db.SaveChangesWithChecking();
//VERIFY
status.IsValid.ShouldEqual(true, status.Errors);
snap.CheckSnapShot(db, 1, 1);
var uglyPosts = db.Tags.Include(x => x.Posts).Single(y => y.Slug == "ugly").Posts;
uglyPosts.Count.ShouldEqual(3);
}
}
public void Check02UniqueKeyErrorBad()
{
//NOTE: To test this I needed to comment out the ValidateEntity method in SampleWebAppDb
var tagGuid = Guid.NewGuid().ToString("N");
using (var db = new SampleWebAppDb())
{
//SETUP
db.Tags.Add(new Tag {
Name = tagGuid, Slug = tagGuid
});
db.SaveChanges();
}
using (var db = new SampleWebAppDb())
{
//ATTEMPT
db.Tags.Add(new Tag {
Name = tagGuid, Slug = tagGuid
});
var status = db.SaveChangesWithChecking();
//VERIFY
status.IsValid.ShouldEqual(false);
status.Errors.Count.ShouldEqual(1);
status.Errors[0].ErrorMessage.ShouldEqual("One of the properties is marked as Unique index and there is already an entry with that value.");
}
}
public void Check16ValidatePostTitleError()
{
using (var db = new SampleWebAppDb())
{
//SETUP
var existingTag = db.Tags.First();
var existingBlogger = db.Blogs.First();
//ATTEMPT
var newPost = new Post()
{
Blogger = existingBlogger,
Title = "Test post?",
Content = "Nothing special",
Tags = new[] { existingTag }
};
db.Posts.Add(newPost);
var status = db.SaveChangesWithChecking();;
//VERIFY
status.IsValid.ShouldEqual(false);
status.Errors.Count.ShouldEqual(1);
status.Errors[0].ErrorMessage.ShouldEqual("Sorry, but you can't ask a question, i.e. the title can't end with '?'.");
}
}
public void Check05CauseBothErrorsBad()
{
//NOTE: To test this I needed to comment out the ValidateEntity method in SampleWebAppDb
var tagGuid = Guid.NewGuid().ToString("N");
using (var db = new SampleWebAppDb())
{
//SETUP
var post = db.Posts.First();
db.PostLinks.Add(new PostLink {
PostPart = post
});
db.Tags.Add(new Tag {
Name = tagGuid, Slug = tagGuid
});
db.SaveChanges();
}
using (var db = new SampleWebAppDb())
{
//ATTEMPT
db.Posts.Remove(db.Posts.First());
db.Tags.Add(new Tag {
Name = tagGuid, Slug = tagGuid
});
var status = db.SaveChangesWithChecking();
//VERIFY
status.IsValid.ShouldEqual(false);
status.Errors.Count.ShouldEqual(1); //for these two cases we only get one error
status.Errors[0].ErrorMessage.ShouldEqual("One of the properties is marked as Unique index and there is already an entry with that value.");
}
}
public void Check10ValidatePostOk()
{
using (var db = new SampleWebAppDb())
{
//SETUP
var snap = new DbSnapShot(db);
var existingTag = db.Tags.First();
var existingBlogger = db.Blogs.First();
//ATTEMPT
var newPost = new Post()
{
Blogger = existingBlogger,
Title = "Test post",
Content = "Nothing special",
Tags = new[] { existingTag }
};
db.Posts.Add(newPost);
var status = db.SaveChangesWithChecking();;
//VERIFY
status.IsValid.ShouldEqual(true, status.Errors);
snap.CheckSnapShot(db, 1, 1);
}
}
public static void FillComputedNPost(this SampleWebAppDb db, int totalOfEach)
{
//clear the current
ClearDatabase(db);
var tag1 = new Tag {
Name = "Tag1", Slug = "tag1"
};
var tag2 = new Tag {
Name = "Tag2", Slug = "tag2"
};
db.Tags.AddRange(new[] { tag1, tag2 });
var blogger1 = new Blog()
{
Name = "Name1", EmailAddress = "Email1"
};
var blogger2 = new Blog()
{
Name = "Name2", EmailAddress = "Email2"
};
db.Blogs.AddRange(new[] { blogger1, blogger2 });
var posts = BuildNPosts(tag2, blogger2, totalOfEach);
db.Posts.AddRange(posts);
var status = db.SaveChangesWithChecking();
status.IsValid.ShouldEqual(true, status.Errors);
}
//---------------------------------------
public static void DeletePostEfDirect(this SampleWebAppDb db, int postId)
{
var postClass = new Post
{
PostId = postId
};
db.Entry(postClass).State = EntityState.Deleted;
var status = db.SaveChangesWithChecking();
status.IsValid.ShouldEqual(true, status.Errors);
}
public void Check10UniqueKeyPostTagBad()
{
using (var db = new SampleWebAppDb())
{
//SETUP
var firstPostTag = db.PostTagGrades.Include(x => x.PostPart).Include(x => x.TagPart).First();
//ATTEMPT
db.PostTagGrades.Add(new PostTagGrade {
PostPart = firstPostTag.PostPart, TagPart = firstPostTag.TagPart
});
var ex = Assert.Throws <DbUpdateException>(() => db.SaveChangesWithChecking());
//VERIFY
}
}
//-----------------------------------------
public static void UpdatePostEfDirect(this SampleWebAppDb db, int postId)
{
var postClass = db.Posts.Include(x => x.Blogger).Include(x => x.Tags).Single(x => x.PostId == postId);
var guidString = Guid.NewGuid().ToString("N");
postClass.Title = guidString;
postClass.Content = guidString;
postClass.Blogger = db.Blogs.First();
postClass.Tags = new Collection <Tag> {
db.Tags.First()
};
var status = db.SaveChangesWithChecking();
status.IsValid.ShouldEqual(true, status.Errors);
}
public void Check27DeleteConnectedPostOk()
{
using (var db = new SampleWebAppDb())
{
//SETUP
var snap = new DbSnapShot(db);
var lastPost = db.Posts.Include(x => x.Tags).ToList().Last();
var numTags = lastPost.Tags.Count;
//ATTEMPT
db.Posts.Remove(lastPost);
var status = db.SaveChangesWithChecking();
//VERIFY
status.IsValid.ShouldEqual(true, status.Errors);
snap.CheckSnapShot(db, -1, -numTags);
}
}
//-------------------
public static void CreatePostEfDirect(this SampleWebAppDb db, int id)
{
var guidString = Guid.NewGuid().ToString("N");
var postClass = new Post
{
Title = guidString,
Content = guidString,
Blogger = db.Blogs.First(),
Tags = new Collection <Tag> {
db.Tags.First()
}
};
db.Posts.Add(postClass);
var status = db.SaveChangesWithChecking();
status.IsValid.ShouldEqual(true, status.Errors);
}
public void Check21CheckUpdateSimpleOk()
{
using (var db = new SampleWebAppDb())
{
//SETUP
var snap = new DbSnapShot(db);
var newGuid = Guid.NewGuid().ToString();
//ATTEMPT
var firstPost = db.Posts.First();
firstPost.Title = newGuid;
var status = db.SaveChangesWithChecking();
//VERIFY
status.IsValid.ShouldEqual(true, status.Errors);
snap.CheckSnapShot(db);
db.Posts.First().Title.ShouldEqual(newGuid);
}
}
public void Check01ValidateTagOk()
{
using (var db = new SampleWebAppDb())
{
//SETUP
var snap = new DbSnapShot(db);
//ATTEMPT
var dupTag = new Tag {
Name = "non-duplicate slug", Slug = Guid.NewGuid().ToString("N")
};
db.Tags.Add(dupTag);
var status = db.SaveChangesWithChecking();
//VERIFY
status.IsValid.ShouldEqual(true, status.Errors);
snap.CheckSnapShot(db, 0, 0, 0, 1);
}
}
public void Check02ValidateTagError()
{
using (var db = new SampleWebAppDb())
{
//SETUP
var existingTag = db.Tags.First();
//ATTEMPT
var dupTag = new Tag {
Name = "duplicate slug", Slug = existingTag.Slug
};
db.Tags.Add(dupTag);
var status = db.SaveChangesWithChecking();;
//VERIFY
status.IsValid.ShouldEqual(false);
status.Errors.Count.ShouldEqual(1);
status.Errors[0].ErrorMessage.ShouldEqual("The Slug on tag 'duplicate slug' must be unique and is already being used.");
}
}
public void Check22CheckUpdateLastUpdatedOk()
{
using (var db = new SampleWebAppDb())
{
//SETUP
var snap = new DbSnapShot(db);
var firstPost = db.Posts.First();
var originalDateTime = firstPost.LastUpdated;
Thread.Sleep(400);
//ATTEMPT
firstPost.Title = Guid.NewGuid().ToString();
var status = db.SaveChangesWithChecking();
//VERIFY
status.IsValid.ShouldEqual(true, status.Errors);
snap.CheckSnapShot(db);
Assert.GreaterOrEqual(db.Posts.First().LastUpdated.Subtract(originalDateTime).Milliseconds, 400);
}
}
public void Check02ValidateTagError()
{
using (var db = new SampleWebAppDb())
{
//SETUP
var existingTag = db.Tags.First();
//ATTEMPT
var dupTag = new Tag {
Name = "duplicate slug", Slug = existingTag.Slug
};
db.Tags.Add(dupTag);
var status = db.SaveChangesWithChecking();
//VERIFY
status.IsValid.ShouldEqual(false);
status.Errors.Count.ShouldEqual(1);
status.Errors[0].ErrorMessage.ShouldEqual("One of the properties is marked as Unique index and there is already an entry with that value.");
}
}
//-------------------------------------------
public static void FillComputedNAll(this SampleWebAppDb db, int totalOfEach)
{
//clear the current
ClearDatabase(db);
var tags = BuildTags(totalOfEach);
db.Tags.AddRange(tags);
var bloggers = BuildBloggers(totalOfEach);
db.Blogs.AddRange(bloggers);
var posts = BuildPostsNAll(tags, bloggers, totalOfEach);
db.Posts.AddRange(posts);
var grades = BuildGrades(tags, posts, totalOfEach);
db.PostTagGrades.AddRange(grades);
var status = db.SaveChangesWithChecking();
status.IsValid.ShouldEqual(true, status.Errors);
}
public void Check26ReplaceTagsOk()
{
using (var db = new SampleWebAppDb())
{
//SETUP
var snap = new DbSnapShot(db);
var firstPost = db.Posts.First();
var tagsNotInFirstPostTracked = db.Tags.Where(x => x.Posts.All(y => y.PostId != firstPost.PostId)).ToList();
//ATTEMPT
db.Entry(firstPost).Collection(x => x.Tags).Load();
firstPost.Tags = tagsNotInFirstPostTracked;
var status = db.SaveChangesWithChecking();
//VERIFY
status.IsValid.ShouldEqual(true, status.Errors);
snap.CheckSnapShot(db, 0, -1);
firstPost = db.Posts.Include(x => x.Tags).First();
firstPost.Tags.Count.ShouldEqual(1);
}
}
public void Check25UpdatePostToAddTagOk()
{
using (var db = new SampleWebAppDb())
{
//SETUP
var snap = new DbSnapShot(db);
var badTag = db.Tags.Single(x => x.Slug == "bad");
var firstPost = db.Posts.First();
//ATTEMPT
db.Entry(firstPost).Collection(x => x.Tags).Load();
firstPost.Tags.Add(badTag);
var status = db.SaveChangesWithChecking();
//VERIFY
status.IsValid.ShouldEqual(true, status.Errors);
snap.CheckSnapShot(db, 0, 1);
firstPost = db.Blogs.Include(x => x.Posts.Select(y => y.Tags)).First().Posts.First();
firstPost.Tags.Count.ShouldEqual(3);
}
}
public void Test01ValidateTagCaughtByHandleDictError()
{
//SETUP
GenericServicesConfig.AddToSqlHandlerDict(2601, TestExceptionCatch);
using (var db = new SampleWebAppDb())
{
var existingTag = db.Tags.First();
//ATTEMPT
var dupTag = new Tag {
Name = "duplicate slug", Slug = existingTag.Slug
};
db.Tags.Add(dupTag);
var status = db.SaveChangesWithChecking();
//VERIFY
status.IsValid.ShouldEqual(false);
status.Errors.Count.ShouldEqual(1);
status.Errors[0].ErrorMessage.ShouldEqual("SQL error 2601. Following class types had errors: Tag.");
}
}
public void Test10ValidateTagCaughtBySqlDict()
{
//SETUP
GenericServicesConfig.AddToSqlHandlerDict(2601, TestExceptionNoCatch);
using (var db = new SampleWebAppDb())
{
var existingTag = db.Tags.First();
//ATTEMPT
var dupTag = new Tag {
Name = "duplicate slug", Slug = existingTag.Slug
};
db.Tags.Add(dupTag);
var status = db.SaveChangesWithChecking();
//VERIFY
status.IsValid.ShouldEqual(false);
status.Errors.Count.ShouldEqual(1);
status.Errors[0].ErrorMessage.ShouldEqual("One of the properties is marked as Unique index and there is already an entry with that value.");
}
}
public void Check28DeleteViaAttachOk()
{
using (var db = new SampleWebAppDb())
{
//SETUP
var snap = new DbSnapShot(db);
var lastPost = db.Posts.Include(x => x.Tags).AsNoTracking().ToList().Last();
var numTags = lastPost.Tags.Count;
//ATTEMPT
var postToDelete = new Post {
PostId = lastPost.PostId
};
db.Posts.Attach(postToDelete);
db.Posts.Remove(postToDelete);
var status = db.SaveChangesWithChecking();
//VERIFY
status.IsValid.ShouldEqual(true, status.Errors);
snap.CheckSnapShot(db, -1, -numTags);
}
}
public void Check32DeleteViaRemoveOk()
{
using (var db = new SampleWebAppDb())
{
//SETUP
var snap = new DbSnapShot(db);
var firstPostTagGrades = db.PostTagGrades.AsNoTracking().First();
//ATTEMPT
var ptgToDelete = new PostTagGrade
{
PostId = firstPostTagGrades.PostId,
TagId = firstPostTagGrades.TagId
};
db.PostTagGrades.Attach(ptgToDelete);
db.PostTagGrades.Remove(ptgToDelete);
var status = db.SaveChangesWithChecking();
//VERIFY
status.IsValid.ShouldEqual(true, status.Errors);
snap.CheckSnapShot(db, 0, 0, 0, 0, -1);
}
}
public void Check31CheckCreateDataOk()
{
using (var db = new SampleWebAppDb())
{
//SETUP
var snap = new DbSnapShot(db);
var firstPostUntracked = db.Posts.AsNoTracking().First();
//ATTEMPT
firstPostUntracked.Title = Guid.NewGuid().ToString();
firstPostUntracked.Blogger = db.Blogs.First();
firstPostUntracked.Tags = db.Tags.Take(2).ToList();
db.Posts.Add(firstPostUntracked);
var status = db.SaveChangesWithChecking();
//VERIFY
status.IsValid.ShouldEqual(true, status.Errors);
snap.CheckSnapShot(db, 1, 2);
var loadedPost = db.Posts.Include(x => x.Blogger).Include(x => x.Tags).Single(x => x.PostId == firstPostUntracked.PostId);
loadedPost.Blogger.BlogId.ShouldEqual(db.Blogs.First().BlogId);
CollectionAssert.AreEquivalent(db.Tags.Take(2).Select(x => x.TagId), loadedPost.Tags.Select(x => x.TagId));
}
}
public void Check01DeleteFailBecauseOfForeignKeyBad()
{
using (var db = new SampleWebAppDb())
{
//SETUP
var post = db.Posts.First();
db.PostLinks.Add(new PostLink {
PostPart = post
});
db.SaveChanges();
}
using (var db = new SampleWebAppDb())
{
//ATTEMPT
db.Posts.Remove(db.Posts.First());
var status = db.SaveChangesWithChecking();
//VERIFY
status.IsValid.ShouldEqual(false);
status.Errors.Count.ShouldEqual(1);
status.Errors[0].ErrorMessage.ShouldEqual("This operation failed because another data entry uses this entry.");
}
}
public void Check30CheckCreateLastUpdatedOk()
{
using (var db = new SampleWebAppDb())
{
//SETUP
var snap = new DbSnapShot(db);
var firstPostUntracked = db.Posts.AsNoTracking().First();
var originalDateTime = firstPostUntracked.LastUpdated;
Thread.Sleep(400);
//ATTEMPT
firstPostUntracked.Title = Guid.NewGuid().ToString();
firstPostUntracked.Blogger = db.Blogs.First();
firstPostUntracked.Tags = db.Tags.Take(2).ToList();
db.Posts.Add(firstPostUntracked);
var status = db.SaveChangesWithChecking();
//VERIFY
status.IsValid.ShouldEqual(true, status.Errors);
snap.CheckSnapShot(db, 1, 2);
var loadedPost = db.Posts.Single(x => x.PostId == firstPostUntracked.PostId);
Assert.GreaterOrEqual(loadedPost.LastUpdated.Subtract(originalDateTime).Milliseconds, 400);
}
}
