private async void MoreItemsRequest()
{
try
{
IsBusy = true;
HasErrors = false;
NoItems = false;
DataProviderRawData = string.Empty;
Items.Clear();
var items = await rssDataProvider.LoadMoreDataAsync();
NoItems = !items.Any();
foreach (var item in items)
{
Items.Add(item);
}
var rawData = await rawDataProvider.LoadMoreDataAsync <RawSchema>();
DataProviderRawData = rawData.FirstOrDefault()?.Raw;
}
catch (Exception ex)
{
DataProviderRawData += ex.Message;
DataProviderRawData += ex.StackTrace;
HasErrors = true;
}
finally
{
IsBusy = false;
}
}
private async void GetMoreItems()
{
var items = await _rssDataProvider.LoadMoreDataAsync();
foreach (var item in items)
{
Items.Add(item);
}
}
public async Task LoadRss_OrderBy_InvalidProperty()
{
var config = new RssDataConfig()
{
Url = new Uri("http://blogs.msdn.com/b/windows_app_studio_news/rss.aspx"),
OrderBy = "InvalidProperty"
};
var dataProvider = new RssDataProvider();
IEnumerable <RssSchema> rssItems = await dataProvider.LoadDataAsync(config, 5);
rssItems = await dataProvider.LoadMoreDataAsync();
Assert.IsNotNull(rssItems);
Assert.AreNotEqual(rssItems.Count(), 0);
}
public async Task LoadPaginationRss()
{
var config = new RssDataConfig()
{
Url = new Uri("http://blogs.msdn.com/b/windows_app_studio_news/rss.aspx")
};
var dataProvider = new RssDataProvider();
await dataProvider.LoadDataAsync(config, 2);
Assert.IsTrue(dataProvider.HasMoreItems);
IEnumerable <RssSchema> result = await dataProvider.LoadMoreDataAsync();
Assert.IsNotNull(result);
Assert.IsTrue(result.Any());
}
public async Task LoadRss_OrderByPublishDate()
{
var config = new RssDataConfig()
{
Url = new Uri("http://blogs.msdn.com/b/windows_app_studio_news/rss.aspx"),
OrderBy = nameof(RssSchema.PublishDate),
OrderDirection = SortDirection.Ascending
};
var dataProvider = new RssDataProvider();
IEnumerable <RssSchema> rssItems = await dataProvider.LoadDataAsync(config, 5);
Assert.AreEqual(rssItems.OrderBy(x => x.PublishDate).Select(x => x.PublishDate).FirstOrDefault(), rssItems.ToList()[0].PublishDate, "LoadDataAsync: Rss sorting (ascending) is not working");
Assert.AreEqual(rssItems.OrderBy(x => x.PublishDate).Select(x => x.PublishDate).LastOrDefault(), rssItems.ToList()[rssItems.Count() - 1].PublishDate, "LoadDataAsync: Rss sorting (ascending) is not working");
rssItems = await dataProvider.LoadMoreDataAsync();
Assert.AreEqual(rssItems.OrderBy(x => x.PublishDate).Select(x => x.PublishDate).FirstOrDefault(), rssItems.ToList()[0].PublishDate, "LoadMoreDataAsync: Rss sorting (ascending) is not working");
Assert.AreEqual(rssItems.OrderBy(x => x.PublishDate).Select(x => x.PublishDate).LastOrDefault(), rssItems.ToList()[rssItems.Count() - 1].PublishDate, "LoadMoreDataAsync: Rss sorting (ascending) is not working");
config = new RssDataConfig()
{
Url = new Uri("http://blogs.msdn.com/b/windows_app_studio_news/rss.aspx"),
OrderBy = nameof(RssSchema.PublishDate),
OrderDirection = SortDirection.Descending
};
dataProvider = new RssDataProvider();
rssItems = await dataProvider.LoadDataAsync(config, 5);
Assert.AreEqual(rssItems.OrderByDescending(x => x.PublishDate).Select(x => x.PublishDate).FirstOrDefault(), rssItems.ToList()[0].PublishDate, "LoadDataAsync: Rss sorting (ascending) is not working");
Assert.AreEqual(rssItems.OrderByDescending(x => x.PublishDate).Select(x => x.PublishDate).LastOrDefault(), rssItems.ToList()[rssItems.Count() - 1].PublishDate, "LoadDataAsync: Rss sorting (ascending) is not working");
rssItems = await dataProvider.LoadMoreDataAsync();
Assert.AreEqual(rssItems.OrderByDescending(x => x.PublishDate).Select(x => x.PublishDate).FirstOrDefault(), rssItems.ToList()[0].PublishDate, "LoadMoreDataAsync: Rss sorting (descending) is not working");
Assert.AreEqual(rssItems.OrderByDescending(x => x.PublishDate).Select(x => x.PublishDate).LastOrDefault(), rssItems.ToList()[rssItems.Count() - 1].PublishDate, "LoadMoreDataAsync: Rss sorting (descending) is not working");
}
public override async Task <IEnumerable <RssSchema> > GetNextPageAsync()
{
return(await _dataProvider.LoadMoreDataAsync());
}
public async Task LoadMoreDataInvalidOperationRss()
{
var config = new RssDataConfig()
{
Url = new Uri("http://blogs.msdn.com/b/windows_app_studio_news/rss.aspx")
};
var dataProvider = new RssDataProvider();
InvalidOperationException exception = await ExceptionsAssert.ThrowsAsync<InvalidOperationException>(async () => await dataProvider.LoadMoreDataAsync());
}
public async Task LoadPaginationRss()
{
var config = new RssDataConfig()
{
Url = new Uri("http://blogs.msdn.com/b/windows_app_studio_news/rss.aspx")
};
var dataProvider = new RssDataProvider();
await dataProvider.LoadDataAsync(config, 2);
Assert.IsTrue(dataProvider.HasMoreItems);
IEnumerable<RssSchema> result = await dataProvider.LoadMoreDataAsync();
Assert.IsNotNull(result);
Assert.IsTrue(result.Any());
}
public async Task LoadRss_OrderBy_InvalidProperty()
{
var config = new RssDataConfig()
{
Url = new Uri("http://blogs.msdn.com/b/windows_app_studio_news/rss.aspx"),
OrderBy = "InvalidProperty"
};
var dataProvider = new RssDataProvider();
IEnumerable<RssSchema> rssItems = await dataProvider.LoadDataAsync(config, 5);
rssItems = await dataProvider.LoadMoreDataAsync();
Assert.IsNotNull(rssItems);
Assert.AreNotEqual(rssItems.Count(), 0);
}
public async Task LoadRss_OrderByPublishDate()
{
var config = new RssDataConfig()
{
Url = new Uri("http://blogs.msdn.com/b/windows_app_studio_news/rss.aspx"),
OrderBy = nameof(RssSchema.PublishDate),
OrderDirection = SortDirection.Ascending
};
var dataProvider = new RssDataProvider();
IEnumerable<RssSchema> rssItems = await dataProvider.LoadDataAsync(config, 5);
Assert.AreEqual(rssItems.OrderBy(x => x.PublishDate).Select(x => x.PublishDate).FirstOrDefault(), rssItems.ToList()[0].PublishDate, "LoadDataAsync: Rss sorting (ascending) is not working");
Assert.AreEqual(rssItems.OrderBy(x => x.PublishDate).Select(x => x.PublishDate).LastOrDefault(), rssItems.ToList()[rssItems.Count() - 1].PublishDate, "LoadDataAsync: Rss sorting (ascending) is not working");
rssItems = await dataProvider.LoadMoreDataAsync();
Assert.AreEqual(rssItems.OrderBy(x => x.PublishDate).Select(x => x.PublishDate).FirstOrDefault(), rssItems.ToList()[0].PublishDate, "LoadMoreDataAsync: Rss sorting (ascending) is not working");
Assert.AreEqual(rssItems.OrderBy(x => x.PublishDate).Select(x => x.PublishDate).LastOrDefault(), rssItems.ToList()[rssItems.Count() - 1].PublishDate, "LoadMoreDataAsync: Rss sorting (ascending) is not working");
config = new RssDataConfig()
{
Url = new Uri("http://blogs.msdn.com/b/windows_app_studio_news/rss.aspx"),
OrderBy = nameof(RssSchema.PublishDate),
OrderDirection = SortDirection.Descending
};
dataProvider = new RssDataProvider();
rssItems = await dataProvider.LoadDataAsync(config, 5);
Assert.AreEqual(rssItems.OrderByDescending(x => x.PublishDate).Select(x => x.PublishDate).FirstOrDefault(), rssItems.ToList()[0].PublishDate, "LoadDataAsync: Rss sorting (ascending) is not working");
Assert.AreEqual(rssItems.OrderByDescending(x => x.PublishDate).Select(x => x.PublishDate).LastOrDefault(), rssItems.ToList()[rssItems.Count() - 1].PublishDate, "LoadDataAsync: Rss sorting (ascending) is not working");
rssItems = await dataProvider.LoadMoreDataAsync();
Assert.AreEqual(rssItems.OrderByDescending(x => x.PublishDate).Select(x => x.PublishDate).FirstOrDefault(), rssItems.ToList()[0].PublishDate, "LoadMoreDataAsync: Rss sorting (descending) is not working");
Assert.AreEqual(rssItems.OrderByDescending(x => x.PublishDate).Select(x => x.PublishDate).LastOrDefault(), rssItems.ToList()[rssItems.Count() - 1].PublishDate, "LoadMoreDataAsync: Rss sorting (descending) is not working");
}
public async Task LoadMoreDataInvalidOperationRss()
{
var config = new RssDataConfig()
{
Url = new Uri("http://blogs.msdn.com/b/windows_app_studio_news/rss.aspx")
};
var dataProvider = new RssDataProvider();
InvalidOperationException exception = await ExceptionsAssert.ThrowsAsync <InvalidOperationException>(async() => await dataProvider.LoadMoreDataAsync());
}