public FakeNewsServer(Dictionary <int, int[]> channelsByAccount)
{
var endDate = DateTime.Now.AddHours(-1);
var startDate = endDate.AddDays(-40);
this.channelsByAccount = channelsByAccount;
var channels = channelsByAccount.SelectMany(ca => ca.Value).Distinct();
newsByChannel = channels.ToDictionary(c => c,
c => NewsMaker.MakeSomeNews(c, startDate, endDate, 1,
random.Next(100) < 50
? random.Next(1, 10)
: random.Next(2, 1440)));
}
private Dictionary <int, List <News> > MakeSomeNews()
{
// генерировать новости
var startDate = DateTime.Now.Date.AddDays(-30);
var endDate = DateTime.Now.AddHours(-6);
var allNews = new Dictionary <int, List <News> >
{
{ 1, NewsMaker.MakeSomeNews(1, startDate, endDate, 1, 5) },
{ 3, NewsMaker.MakeSomeNews(3, startDate.AddDays(5), endDate, 1, 1440) },
{ 4, NewsMaker.MakeSomeNews(4, startDate, endDate, 1440, 1440) }
};
// запихнуть в хранилище
foreach (var pair in allNews)
{
NewsLocalStorage.Instance.UpdateNews(pair.Key, pair.Value);
}
return(allNews);
}
public void TestSaveLoad()
{
// перечитать
NewsLocalStorage.ReInstantiate();
var newsEmpty = NewsLocalStorage.Instance.GetNews(1);
Assert.IsNull(newsEmpty, "no cache - no news");
var startDate = DateTime.Now.Date.AddDays(-30);
var endDate = DateTime.Now.AddHours(-6);
var allNews = new Dictionary <int, List <News> >
{
{ 1, NewsMaker.MakeSomeNews(1, startDate, endDate, 1, 1440) },
{ 3, NewsMaker.MakeSomeNews(3, startDate.AddDays(5), endDate, 1, 1440) },
{ 4, NewsMaker.MakeSomeNews(4, startDate, endDate, 1440, 1440) }
};
// запись новостей в пустое хранилище
const int chanId = 1;
NewsLocalStorage.Instance.UpdateNews(chanId, allNews[chanId]);
var newsChan1 = NewsLocalStorage.Instance.GetNews(chanId);
Assert.IsNotNull(newsChan1, "simple update & get: not null");
Assert.AreEqual(allNews[chanId].Count, newsChan1.Count, "simple update & get: same count");
var indexSpeciman = newsChan1.Count / 2;
var newsOrig = allNews[chanId][indexSpeciman];
var newsNew = newsChan1[indexSpeciman];
Assert.IsTrue(newsOrig.ChannelId == newsNew.ChannelId &&
newsOrig.Body == newsNew.Body && newsOrig.Time == newsNew.Time &&
newsOrig.Title == newsNew.Title, "simple update & get: same news item");
// добавить все новости
NewsLocalStorage.Instance.UpdateNews(allNews[1]);
NewsLocalStorage.Instance.UpdateNews(allNews[3]);
NewsLocalStorage.Instance.UpdateNews(allNews[4]);
// проверить количество новостей
foreach (var pair in allNews)
{
Assert.AreEqual(pair.Value.Count, NewsLocalStorage.Instance.GetNews(pair.Key).Count, "updated news: got all");
}
// сохранить новости
try
{
NewsLocalStorage.Instance.SaveNewsInFiles();
}
catch (Exception ex)
{
Assert.Fail("NewsLocalStorage.Instance.SaveNewsInFiles(): " + ex);
}
// перечитать
NewsLocalStorage.ReInstantiate();
// перечитать сохраненные новости
foreach (var pair in allNews)
{
Assert.AreEqual(pair.Value.Count, NewsLocalStorage.Instance.GetNews(pair.Key).Count, "reloaded news: got all");
}
}
