public async Task <IActionResult> OnPostAsync()
{
if (!this.ModelState.IsValid)
{
return(this.Page());
}
var isTopicExist = await this.mediator.Send(new IsArticleExistQuery(this.Article.Topic));
if (isTopicExist)
{
this.ModelState.AddModelError($"{nameof(this.Article)}.{nameof(this.Article.Topic)}",
$"The topic '{this.Article.Topic}' already exists. Please choose another name!");
this.logger.LogInformation($"The topic with name - {this.Article.Topic} exist.");
return(this.Page());
}
var command = new CreateNewArticleCommand(
this.Article.Topic,
this.Article.Content,
this.User.FindFirstValue(ClaimTypes.NameIdentifier));
await this.mediator.Send(command);
this.logger.LogInformation($"Create new article with topic name - {this.Article.Topic}");
return(this.Redirect("./Index"));
}
public async Task TryToCreateArticle_ShouldReturnSuccessfulResult()
{
this.createNewArticleCommand = new CreateNewArticleCommand("test topic", "test content", Guid.NewGuid().ToString());
var result = await this.createNewArticleCommandHandler
.Handle(this.createNewArticleCommand, CancellationToken.None);
Assert.True(result.Successful, result.Exception?.Message);
}
public async Task ShouldCreateNewNonExistingArticleAndRedirect_GivenUserIsAuthenticated()
{
var expectedCommand = new CreateNewArticleCommand
{
Topic = _topic,
AuthorId = userId,
Content = _content,
AuthorName = username
};
_mediator.Setup(mediator => mediator.Send(It.IsAny <CreateNewArticleCommand>(), It.IsAny <CancellationToken>()))
.Returns(() => Task.FromResult(new CommandResult {
Successful = true, ObjectId = _expectedSlug
}));
_mediator.Setup(mediator => mediator.Send(It.IsAny <GetIsTopicAvailableQuery>(), It.IsAny <CancellationToken>()))
.Returns(() => Task.FromResult(false));
_mediator.Setup(mediator => mediator.Send(It.IsAny <GetArticlesToCreateFromArticleQuery>(), It.IsAny <CancellationToken>()))
.Returns(Task.FromResult((_expectedSlug, new string[] { })));
_sut = new CreateModel(_mediator.Object, _mapper, new NullLoggerFactory())
{
Article = new ArticleCreate
{
Topic = _topic,
Content = _content
}
};
//we depend on a valid ClaimsPrinciple!! No check on User yet before sending the command
_sut.AddPageContext(username, userId);
var result = await _sut.OnPostAsync();
Assert.IsType <RedirectToPageResult>(result);
Assert.Equal(_expectedSlug, ((RedirectToPageResult)result).RouteValues["slug"]);
_mediator.Verify(m => m.Send(
It.Is <GetIsTopicAvailableQuery>(request =>
request.ArticleId.Equals(0) &&
request.Topic.Equals(_topic)),
It.Is <CancellationToken>(token => token.Equals(CancellationToken.None))), Times.Once
);
_mediator.Verify(m => m.Send(
It.Is <CreateNewArticleCommand>(request =>
request.Topic.Equals(expectedCommand.Topic) &&
request.AuthorName.Equals(expectedCommand.AuthorName) &&
request.Content.Equals(expectedCommand.Content) &&
request.AuthorId.Equals(userId)),
It.Is <CancellationToken>(token => token.Equals(CancellationToken.None))), Times.Once);
}
public CreateNewArticleCommandHandlerTests()
{
_mapper = Mock.Of <IMapper>();
_article = new Article()
{
Id = 1
};
var mockService = new Mock <IArticleManagementService>();
mockService.Setup(s => s.CreateArticleAndHistory(It.IsAny <Article>())).Returns(Task.FromResult(_article)).Verifiable();
_articleManagementService = mockService.Object;
_createNewArticleCommandHandler = new CreateNewArticleCommandHandler(_articleManagementService, _mapper);
_createNewArticleCommand = new CreateNewArticleCommand();
Mock.Get(_mapper).Setup(m => m.Map <Article>(_createNewArticleCommand)).Returns(_article);
}
