public void LocalDataSourceProvider_ThrowException_In_Finalize()
{
try
{
LocalDataSourceProvider provider = new LocalDataSourceProvider()
{
ItemsSource = Enumerable.Range(0, 10).Select(t => new Tuple <int, int>(t, t)).ToList()
};
var description = new PropertyGroupDescription()
{
PropertyName = "Item1"
};
((IGroupDescription)description).GroupComparer = new BrokenComparer();
provider.RowGroupDescriptions.Add(description);
provider.Refresh();
provider.BlockUntilRefreshCompletes();
Assert.AreEqual(DataProviderStatus.Faulted, provider.Status);
}
catch (Exception e)
{
Assert.Fail(e.ToString());
}
}
public void Status_WhenRefreshIsCalled_WhenItemsSourceIsNull_ShouldRemainUninitialized()
{
LocalDataSourceProvider provider = new LocalDataSourceProvider();
provider.AggregateDescriptions.Add(new ListAggregateDescription()
{
PropertyName = "Item1"
});
this.provider.ItemsSource = Order.GetData();
provider.Refresh();
provider.BlockUntilRefreshCompletes();
Assert.AreEqual(DataProviderStatus.Uninitialized, provider.Status);
}
public void LocalDataSourceProvider_FilterDescriptions()
{
LocalDataSourceProvider provider = new LocalDataSourceProvider();
using (provider.DeferRefresh())
{
provider.ItemsSource = Enumerable.Range(0, 10).Select(t => new Tuple <int, int>(t, t)).ToList();
provider.GroupFactory = new DataGroupFactory();
provider.AggregateDescriptions.Add(new ListAggregateDescription()
{
PropertyName = "Item1"
});
provider.FilterDescriptions.Add(new PropertyFilterDescription()
{
PropertyName = "Item1", Condition = new DelegateCondition((i) => Convert.ToInt32(i) % 3 != 0)
});
provider.FilterDescriptions.Add(new PropertyFilterDescription()
{
PropertyName = "Item1", Condition = new DelegateCondition((i) => Convert.ToInt32(i) % 5 != 0)
});
provider.FilterDescriptions.Add(new PropertyFilterDescription()
{
PropertyName = "Item1", Condition = new DelegateCondition((i) => Convert.ToInt32(i) % 7 != 0)
});
// will pass: 1, 2, 4, 8
}
provider.BlockUntilRefreshCompletes();
var r = ((IDataProvider)provider).Results;
IList <int> values = r.GetAggregateResult(0, r.Root).GetValue() as IList <int>;
Assert.AreEqual(4, values.Count);
Assert.IsTrue(values.Contains(1));
Assert.IsTrue(values.Contains(2));
Assert.IsTrue(values.Contains(4));
Assert.IsTrue(values.Contains(8));
}
public void LocalDataSourceProvider_SortDescriptions_NoGrouping_Ascending()
{
var data = Enumerable.Range(0, 10000).Select((i) => new DataItem {
ID = i, Name = "Name" + i % 500, Surname = "Surname" + (5000 - i) % 1000
}).ToList();
LocalDataSourceProvider provider = new LocalDataSourceProvider();
using (provider.DeferRefresh())
{
provider.GroupFactory = new DataGroupFactory();
provider.SortDescriptions.Add(new PropertySortDescription()
{
PropertyName = "Name", SortOrder = SortOrder.Descending
});
provider.SortDescriptions.Add(new PropertySortDescription()
{
PropertyName = "ID", SortOrder = SortOrder.Descending
});
provider.ItemsSource = data;
}
provider.BlockUntilRefreshCompletes();
DataItemComparer comparer = new DataItemComparer(new DataItemNameComparer()
{
Descending = true
}, new DataItemIDComparer()
{
Descending = true
});
data.Sort(comparer);
for (int i = 0; i < data.Count; i++)
{
Assert.AreSame(data[i], provider.Results.Root.RowGroup.Items[i]);
}
}