public async Task ReturnPostInputModelById()
{
var options = new DbContextOptionsBuilder <ApplicationDbContext>()
.UseInMemoryDatabase(databaseName: "ReturnPostInputModelById_Database")
.Options;
var dbContext = new ApplicationDbContext(options);
var postService = new PostService(dbContext);
await postService.CreatePostAsync("newPost1", "Hello i am tweet", "u1", 1);
await postService.CreatePostAsync("newPost2", "Hello i am tweet2", "u2", 1);
await postService.CreatePostAsync("newPost3", "Hello i am tweet3", "u3", 2);
await postService.EditPostAsync(1, "Hello i am new tweet2 new", "new title", "u1", false);
await postService.DeletePostAsync(1, "u1", false);
var postsCount = await dbContext.Posts.CountAsync();
var post = await postService.ReturnPostInputModelByIdAsync(2);
Assert.Equal(2, post.Id);
Assert.Equal("u2", post.UserId);
Assert.Equal("Hello i am tweet2", post.Content);
Assert.Equal("newPost2", post.Title);
Assert.Equal(2, postsCount);
}
public async Task DeletePostShouldDeletePost()
{
var options = new DbContextOptionsBuilder <ApplicationDbContext>()
.UseInMemoryDatabase(databaseName: "DeletePost_Database")
.Options;
var dbContext = new ApplicationDbContext(options);
var postService = new PostService(dbContext);
var voteService = new VoteService(dbContext);
await postService.CreatePostAsync("newPost1", "Hello i am tweet", "u1", 1);
await postService.CreatePostAsync("newPost2", "Hello i am tweet2", "u2", 1);
await voteService.VoteAsync("u1", 1, true);
await postService.EditPostAsync(1, "Hello i am new tweet2 new", "new title", "u1", false);
await postService.DeletePostAsync(1, "u1", false);
var postsCount = await dbContext.Posts.CountAsync();
var post = await dbContext.Posts.FirstOrDefaultAsync();
Assert.Equal(2, post.Id);
Assert.Equal("u2", post.UserId);
Assert.Equal("Hello i am tweet2", post.Content);
Assert.Equal("newPost2", post.Title);
Assert.Equal(1, postsCount);
Assert.Equal(0, await dbContext.Votes.CountAsync());
}
public async Task PostsCount()
{
var options = new DbContextOptionsBuilder <ApplicationDbContext>()
.UseInMemoryDatabase(databaseName: "PostsCount_Database")
.Options;
var dbContext = new ApplicationDbContext(options);
var postService = new PostService(dbContext);
await postService.CreatePostAsync("Tweets", "Hello i am tweet", "u1", 1);
await postService.CreatePostAsync("Tweets2", "Hello i am tweet2", "u2", 1);
Assert.Equal(2, await postService.PostsCountAsync(null));
}
public async void Throws_Given_PostDto_isNull()
{
IPostService postService = new PostService(_mockPostRepository.Object);
//DTO is null
await Assert.ThrowsAsync <ArgumentNullException>(async() => await postService.CreatePostAsync(null));
}
public async Task Top3AnswersForPost()
{
var options = new DbContextOptionsBuilder <ApplicationDbContext>()
.UseInMemoryDatabase(databaseName: "TopAnswers_Database")
.Options;
var dbContext = new ApplicationDbContext(options);
var commentService = new CommentService(dbContext);
var postService = new PostService(dbContext);
var voteService = new VoteService(dbContext);
await postService.CreatePostAsync("Hello", "I am Kris", "Kris", 1);
await commentService.CreateCommentAsync(1, "u1", "Hello i am tweet", null, true);
await commentService.CreateCommentAsync(1, "u2", "Hello i am tweet2", 1, true);
await commentService.CreateCommentAsync(1, "u3", "Hello i am tweet3", 1, true);
await commentService.CreateCommentAsync(1, "u4", "Hello i am tweet4", 1, true);
await voteService.VoteForCommentAsync("Kris", 1, true);
var commentsForPost = commentService.Top3AnswersForPost(1);
var commentWithMostLikes = commentsForPost.FirstOrDefault();
Assert.Equal(1, commentWithMostLikes.Id);
Assert.Equal("u1", commentWithMostLikes.UserId);
Assert.Equal("Hello i am tweet", commentWithMostLikes.Content);
Assert.Null(commentWithMostLikes.ParentId);
Assert.Equal(3, commentsForPost.Count());
}
public async Task CanAddPostToDB()
{
// add this nuget package to your project:
// Install - Package Microsoft.EntityFrameworkCore.InMemory - Version 3.1.3
// Arrange
DbContextOptions <CMSDbContext> options = new DbContextOptionsBuilder <CMSDbContext>()
.UseInMemoryDatabase("CanAddPostToDB")
.Options;
// open the connection to the database
using (CMSDbContext context = new CMSDbContext(options))
{
PostService ps = new PostService(context);
Post post = new Post()
{
Title = "This is our Test Post",
Content = "Let's see if this works! YAYY!"
};
var result = await ps.CreatePostAsync(post);
// Check if the post exists through the context directly
var data = context.Posts.Find(post.ID);
Assert.Equal(result, data);
// change our service to have a return and check the data that came back
Assert.Equal("This is our Test Post", post.Title);
}
}
public async void Create_New_Post_Success()
{
IPostService postService = new PostService(_mockPostRepository.Object);
CreatePostViewModel createPostViewModel = new CreatePostViewModel
{
Text = PostText,
Title = PostTitle,
FromId = Guid.NewGuid()
};
Post post = new Post(new Content(createPostViewModel.Text), new Title(createPostViewModel.Title), createPostViewModel.FromId);
_mockPostRepository.Setup(repo => repo.AddAsync(It.Is <Post>(p => p.FromId == post.FromId))).Returns(Task.CompletedTask);
_mockPostRepository.Setup(repo => repo.AddAsync(It.Is <Post>(p => p.FromId != post.FromId)));
_mockPostRepository.Setup(repo => repo.GetByIdAsync(It.IsAny <Guid>())).ReturnsAsync(post);
var returnedPost = await postService.CreatePostAsync(createPostViewModel);
Assert.NotNull(returnedPost);
Assert.Equal(post.Title.Text, createPostViewModel.Title);
Assert.Equal(post.Content.Text, createPostViewModel.Text);
Assert.Equal(post.FromId, createPostViewModel.FromId);
}
public async void Throws_Given_PostDto_text_isInvalid()
{
IPostService postService = new PostService(_mockPostRepository.Object);
CreatePostViewModel createPostViewModel = new CreatePostViewModel();
//Text is invalid
await Assert.ThrowsAsync <ArgumentNullException>(async() => await postService.CreatePostAsync(createPostViewModel));
}
public async Task PostServiceTests_CreatePostAsync_ShouldCreatePostSuccessfully()
{
//Arrange
var postRequest = new PostModel
{
Title = "Test Post",
Content = "Test Post Content"
};
//Act
var result = await _postService.CreatePostAsync(postRequest);
_postRepository.Verify(x => x.Add(It.IsAny <Post>()), Times.Once);
_unitOfWork.Verify(x => x.SaveChangesAsync(), Times.Once);
//Assert
Assert.NotNull(result);
Assert.Equal(postRequest.Title, result.Title);
}
public async Task AllPosts()
{
var options = new DbContextOptionsBuilder <ApplicationDbContext>()
.UseInMemoryDatabase(databaseName: "AllPosts_Database")
.Options;
var dbContext = new ApplicationDbContext(options);
var postService = new PostService(dbContext);
await postService.CreatePostAsync("Tweets", "Hello i am tweet", "u1", 1);
await postService.CreatePostAsync("Tweets2", "Hello i am tweet2", "u1", 1);
var allPosts = postService.AllPosts(null, null);
var firstPost = await allPosts.FirstAsync();
Assert.Equal("Tweets", firstPost.Title);
Assert.Equal("Hello i am tweet", firstPost.Content);
Assert.Equal("u1", firstPost.UserId);
Assert.Equal(2, await allPosts.CountAsync());
}
public async void Throws_Given_PostDto_from_isInvalid()
{
IPostService postService = new PostService(_mockPostRepository.Object);
CreatePostViewModel createPostViewModel = new CreatePostViewModel
{
Text = PostText,
Title = PostTitle
};
//From is invalid
await Assert.ThrowsAsync <ArgumentException>(async() => await postService.CreatePostAsync(createPostViewModel));
}
public async Task CreatePost()
{
var options = new DbContextOptionsBuilder <ApplicationDbContext>()
.UseInMemoryDatabase(databaseName: "Posts_Database")
.Options;
var dbContext = new ApplicationDbContext(options);
var postService = new PostService(dbContext);
await postService.CreatePostAsync("Tweets", "Hello i am tweet", "u1", 1);
await postService.CreatePostAsync("Tweets2", "Hello i am tweet2", "u2", 1);
var postCount = await dbContext.Posts.CountAsync();
var post = await dbContext.Posts.FirstAsync();
Assert.Equal(1, post.Id);
Assert.Equal("Tweets", post.Title);
Assert.Equal("Hello i am tweet", post.Content);
Assert.Equal("u1", post.UserId);
Assert.Equal(2, postCount);
}
public async Task <IActionResult> Create(CreatePostModel model)
{
var validationResult = _service.ValidateCreatePost(User, model);
if (!validationResult.Valid)
{
return(BadRequest(validationResult.Result));
}
var metadata = GetFileDestinationMetadata();
var entity = await _service.CreatePostAsync(model, metadata);
context.SaveChanges();
return(Created($"/{ApiEndpoint.POST_API}?id={entity.Id}",
new AppResultBuilder().Success(entity.Id)));
}
public async Task AllCommentsForPost()
{
var options = new DbContextOptionsBuilder <ApplicationDbContext>()
.UseInMemoryDatabase(databaseName: "AllComments_Database")
.Options;
var dbContext = new ApplicationDbContext(options);
var commentService = new CommentService(dbContext);
var postService = new PostService(dbContext);
await postService.CreatePostAsync("Hello", "I am Kris", "Kris", 1);
await commentService.CreateCommentAsync(1, "u1", "Hello i am tweet", null, false);
await commentService.CreateCommentAsync(1, "u2", "Hello i am tweet2", 1, false);
var commentsForPost = commentService.AllCommentsForPost(1);
Assert.Equal(2, commentsForPost.Count());
}
public async Task EditPost()
{
var options = new DbContextOptionsBuilder <ApplicationDbContext>()
.UseInMemoryDatabase(databaseName: "EditPost_Database")
.Options;
var dbContext = new ApplicationDbContext(options);
var postService = new PostService(dbContext);
await postService.CreatePostAsync("Tweets", "Hello i am tweet", "u1", 1);
await postService.EditPostAsync(1, "Hello i am new content", "Hello i am new title", "u1", false);
var post = await dbContext.Posts.FirstAsync();
Assert.Equal(1, post.Id);
Assert.Equal("Hello i am new content", post.Content);
Assert.Equal("Hello i am new title", post.Title);
Assert.Equal("u1", post.UserId);
Assert.Equal(1, await postService.PostsCountAsync(null));
}
public async void VoteForCommentAsync()
{
var options = new DbContextOptionsBuilder <ApplicationDbContext>()
.UseInMemoryDatabase(databaseName: "VoteForCommentAsync_Database")
.Options;
var dbContext = new ApplicationDbContext(options);
var voteService = new VoteService(dbContext);
var postService = new PostService(dbContext);
var commentService = new CommentService(dbContext);
await postService.CreatePostAsync("Tweets", "Hello i am tweet", "u1", 1);
await commentService.CreateCommentAsync(1, "u1", "TweetsComment", null, false);
await voteService.VoteForCommentAsync("u1", 1, true);
await voteService.VoteForCommentAsync("u1", 1, false);
for (int i = 0; i < 10; i++)
{
await voteService.VoteForCommentAsync("u1", 1, false);
}
for (int i = 0; i < 10; i++)
{
await voteService.VoteForCommentAsync("u1", 1, true);
}
await voteService.VoteForCommentAsync("u1", 1, false);
var votesSum = voteService.AllVotesForComment(1);
var vote = await dbContext.Votes.FirstAsync();
var votesCount = await dbContext.Votes.CountAsync();
Assert.Equal(1, vote.Id);
Assert.Equal(VoteType.Neutral, vote.VoteType);
Assert.Equal(1, vote.CommentId);
Assert.Equal("u1", vote.UserId);
Assert.Equal(0, votesSum);
Assert.Equal(1, votesCount);
}
public async void AllVotesForPost()
{
var options = new DbContextOptionsBuilder <ApplicationDbContext>()
.UseInMemoryDatabase(databaseName: "AllVotesForPost_Database")
.Options;
var dbContext = new ApplicationDbContext(options);
var voteService = new VoteService(dbContext);
var postService = new PostService(dbContext);
await postService.CreatePostAsync("Tweets", "Hello i am tweet", "u1", 1);
await voteService.VoteAsync("u1", 1, true);
await voteService.VoteAsync("u2", 1, true);
for (int i = 0; i < 10; i++)
{
await voteService.VoteAsync("u3", 1, false);
}
for (int i = 0; i < 10; i++)
{
await voteService.VoteAsync("u3", 1, true);
}
var votesSum = voteService.AllVotesForPost(1);
var vote = await dbContext.Votes.FirstAsync();
var votesCount = await dbContext.Votes.CountAsync();
Assert.Equal(1, vote.Id);
Assert.Equal(VoteType.Up, vote.VoteType);
Assert.Equal(1, vote.PostId);
Assert.Equal("u1", vote.UserId);
Assert.Equal(3, votesSum);
Assert.Equal(3, votesCount);
}