public async Task EditAsyncThrowsWhenTheInputModelIsNull()
{
// Arrange
var mapperMock = new Mock <IMapper>();
var repositoryMock = new Mock <IDeletableEntityRepository <Post> >();
var postsService = new PostsService(repositoryMock.Object, mapperMock.Object);
// Assert
await Assert.ThrowsAsync <ArgumentNullException>(async() =>
{
// Act
await postsService.EditAsync("validId", null, new ImageInputModel());
});
}
public async Task <IActionResult> Edit(int id, PostCreateViewModel model)
{
var userId = User.FindFirstValue(ClaimTypes.NameIdentifier);
if (await _postsService.CanEditAsync(userId, id))
{
if (ModelState.IsValid)
{
ViewBag.Id = id;
await _postsService.EditAsync(id, model);
return(RedirectToAction("Index", "Post"));
}
return(View(model));
}
return(RedirectToAction("Index", "Post"));
}
public async Task EditAsyncEditsThePropertiesAndSavesTheChanges(
string userId,
string title,
string text,
string categoryId,
string newTitle,
string newText,
string newCategoryId,
bool imageNull,
string imageSource,
string newImageSource)
{
// Arrange
AutoMapperConfig.RegisterMappings(typeof(Test).Assembly, typeof(ErrorViewModel).Assembly);
var saved = false;
var post = new Post()
{
ApplicationUserId = userId,
Title = title,
Text = text,
CategoryId = categoryId,
Image = new Image()
{
Source = imageSource,
}
};
var postsList = new List <Post>()
{
new Post(),
post,
new Post(),
new Post(),
new Post(),
};
var repositoryMock = new Mock <IDeletableEntityRepository <Post> >();
repositoryMock.Setup(x => x.All())
.Returns(postsList.AsQueryable());
repositoryMock.Setup(x => x.SaveChangesAsync())
.Callback(() =>
{
saved = true;
});
var postsService = new PostsService(repositoryMock.Object, AutoMapperConfig.MapperInstance);
var postEditModel = new PostInputModel()
{
Title = newTitle,
Text = newText,
CategoryId = newCategoryId,
};
var imageEditModel = new ImageInputModel()
{
Source = newImageSource,
};
if (imageNull)
{
imageEditModel = null;
}
// Act
await postsService.EditAsync(post.Id, postEditModel, imageEditModel);
// Assert
Assert.True(saved);
Assert.Equal(userId, post.ApplicationUserId);
Assert.Equal(newTitle, post.Title);
Assert.Equal(newText, post.Text);
Assert.Equal(newCategoryId, post.CategoryId);
var actualImage = post.Image;
if (imageNull)
{
Assert.Equal(imageSource, actualImage.Source);
}
else
{
Assert.Equal(newImageSource, actualImage.Source);
}
}
public async Task EditMethodShouldWorkCorrectly(string title, string description, int categoryId)
{
var guid = Guid.NewGuid().ToString();
var options = new DbContextOptionsBuilder <ForumDbContext>()
.UseInMemoryDatabase(guid)
.Options;
var db = new ForumDbContext(options);
var dateTimeProvider = new Mock <IDateTimeProvider>();
dateTimeProvider.Setup(dtp => dtp.Now()).Returns(new DateTime(2020, 3, 27));
var post = new Post
{
Id = 1,
Title = "Test title",
Description = "Test description",
Type = PostType.Discussion,
CreatedOn = dateTimeProvider.Object.Now(),
CategoryId = 1,
AuthorId = guid,
Tags = new List <PostTag>
{
new PostTag {
TagId = 1
}
}
};
await db.Posts.AddAsync(post);
await db.SaveChangesAsync();
var postsService = new PostsService(db, null, null, dateTimeProvider.Object);
await postsService.EditAsync(1, title, description, categoryId, new[] { 1, 2, 3 });
var actual = await db.Posts.FirstOrDefaultAsync();
var expected = new Post
{
Id = 1,
Title = title,
Description = description,
Type = PostType.Discussion,
CreatedOn = dateTimeProvider.Object.Now(),
ModifiedOn = dateTimeProvider.Object.Now(),
CategoryId = categoryId,
AuthorId = guid,
Tags = new List <PostTag>
{
new PostTag {
TagId = 1, PostId = 1, Post = post
},
new PostTag {
TagId = 2, PostId = 1, Post = post
},
new PostTag {
TagId = 3, PostId = 1, Post = post
}
}
};
actual.Should().BeEquivalentTo(expected);
}