/// <summary>
/// The main test method.
/// </summary>
public static void Test()
{
SqlCeArchivist archivist = new SqlCeArchivist("db.sdf");
archivist.Open();
archivist.TruncateData();
string dataDir = @"C:\Users\mads\Desktop\data";
DBSeeder.SeedDatabaseWithNews(archivist, dataDir, 500);
// Mark sports category as interesting, business as uninteresting.
List<Category> categories = archivist.GetCategories();
archivist.MarkCategoryInteresting(categories.First(p => p.Name.Equals("sports")), true);
archivist.MarkCategoryInteresting(categories.First(p => p.Name.Equals("business")), false);
_random = new Random(42);
// Generate lists of news items.
List<NewsMaterial> interestingNews = new List<NewsMaterial>();
for (int i = 0; i < 500; i++)
{
interestingNews.Add(GenerateNewsMaterial(true));
}
List<NewsMaterial> uninterestingNews = new List<NewsMaterial>();
for (int i = 0; i < 500; i++)
{
uninterestingNews.Add(GenerateNewsMaterial(false));
}
// Add news to db and save ids.
List<int> interestingNewsIds = archivist.AddNews(interestingNews);
List<int> uninterestingNewsIds = archivist.AddNews(uninterestingNews);
List<int> allNewsIds = new List<int>(interestingNewsIds);
allNewsIds.AddRange(uninterestingNewsIds);
// Get news to filter.
NewsQuery query = new NewsQuery();
query.Read = ReadStatus.Unread;
List<NewsItem> news = archivist.GetNews(query);
// Filter news.
InterestFilter filter = new InterestFilter();
news = filter.Filter(archivist, news);
int correctCount = 0;
int falseCount = 0;
// Compare ids and count number of correct values.
foreach (NewsItem item in news)
{
if (interestingNewsIds.Contains(item.Id))
{
correctCount++;
}
else if (uninterestingNewsIds.Contains(item.Id))
{
falseCount++;
}
}
Console.WriteLine("Through filter: {0}", news.Count);
Console.WriteLine("False positive count: {0}", falseCount);
// Print result in console.
Console.WriteLine("{0}/{1}={2}%", correctCount,
interestingNews.Count,
(double) correctCount / (interestingNews.Count) * 100.0);
Console.ReadLine();
}