public ScraperService(
IHackerNewsScraper hackerNewsScraper,
IOptions <ScraperOptions> scraperOptions)
{
_scraperOptions = scraperOptions?.Value ?? throw new ArgumentNullException(nameof(scraperOptions));
_hackerNewsScraper = hackerNewsScraper;
}
static int Main(string[] args)
{
// Initialize our hackernews scraper with our IHttp implementation
scraper = new HackerNewsScraper(new Http());
// Set up our CLI commands
var rootCommand = new RootCommand
{
// Create option for -p|--posts
new Option(new[] { "-p", "--posts" }, "How many posts to print. A positive integer <= 100.")
{
Argument = new Argument <int>()
}
};
rootCommand.Description = "Hacker News Scraper Test";
// Create the handler that will parse the CLI args and call our scraper
rootCommand.Handler = CommandHandler.Create <int>(async(posts) =>
{
if (posts <= 0 || posts > 100)
{
Console.WriteLine("Number of posts should be a positive integer <= 100");
return;
}
var result = await scraper.GetPostsJson(posts);
Console.WriteLine(result);
});
// Invoke the CLI handler with the args passed in to Main
return(rootCommand.InvokeAsync(args).Result);
}
public void Setup()
{
_settings = new HackerNewsSettings();
_validator = new HackerNewsStoryItemValidator();
_provider = new MockHackerNewsDataProvider();
_parser = new HackerNewsDataParser(_settings);
_scraper = new HackerNewsScraper(_settings, _validator, _provider, _parser);
}
public void SetUp()
{
_fakeHackerNewsServer.ResetMappings();
_fixture.Register <IHackerNewsHtmlParser>(_fixture.Create <HackerNewsHtmlParser>);
_fixture.Register <IHackerNewsPostValidator>(_fixture.Create <HackerNewsPostValidator>);
var httpClient = new HttpClient
{
BaseAddress = new Uri($"http://localhost:{_fakeHackerNewsServer.Ports.First()}")
};
_fixture.Inject <IHttpClientService>(new HttpClientService(httpClient, null));
_hackerNewsScraper = _fixture.Create <HackerNewsScraper>();
}
