public async Task <List <HackerNewsPost> > GetPosts(int numberOfPosts)
{
List <HackerNewsPost> result = new List <HackerNewsPost>();
int currentPage = 1;
do
{
//download page
var pageData = await _hackerNewsServiceAgent.GetDataFromPage(currentPage ++).ConfigureAwait(false);
if (_pageParser.IsPageValid(pageData))
{
//parse and get all posts
var posts = _pageParser.GetHackerNewsPosts(pageData);
posts.ForEach(p =>
{
//save only those that passes validation
if (_hackerNewsPostItemValidator.IsValid(p))
{
result.Add(p);
}
});
}
} while (result.Count < numberOfPosts);
//return only desired number of posts
if (result.Count > numberOfPosts)
{
result = result.Take(numberOfPosts).ToList();
}
return(result);
}
public async Task Should()
{
int page = 1;
string result = "<html></html>";
string expectedRequestString = $"news?p={page}";
var respone = new HttpResponseMessage(HttpStatusCode.OK)
{
Content = new StringContent(result)
};
_hackerNewsClient.Setup(c => c.GetRawPageData(It.Is <string>(p => p.Equals(expectedRequestString))))
.ReturnsAsync(respone);
var html = await _hackerNewsServiceAgent.GetDataFromPage(page).ConfigureAwait(false);;
Assert.Equal(result, html);
}