public void GetItemsAppliesIndexAliasTranslation()
{
List <KeyValuePair <string, string> > metadataPairs = new List <KeyValuePair <string, string> >();
metadataPairs.Add(new KeyValuePair <string, string>("Foo", "Bar"));
IDataSet dataSet = Mocks.StrictMock <IDataSet>();
using (Mocks.Record())
{
SetupResult.For(dataSet.ColumnCount).Return(3);
Expect.Call(dataSet.GetItems(null, true)).IgnoreArguments().Do((GetItemsDelegate) delegate(ICollection <DataBinding> bindings,
bool includeDynamicItems)
{
Assert.IsTrue(includeDynamicItems);
List <IDataItem> items = new List <IDataItem>();
items.Add(new ListDataItem <object>(new object[] { "abc", "def", "ghi" }, metadataPairs, true));
List <DataBinding> bindingList = new List <DataBinding>(bindings);
Assert.AreEqual("translatedPath", bindingList[0].Path);
Assert.AreEqual(2, bindingList[0].Index);
Assert.AreEqual("untranslatedPath", bindingList[1].Path);
Assert.AreEqual(1, bindingList[1].Index);
return(items);
});
}
using (Mocks.Playback())
{
DataSource source = new DataSource("theName");
source.AddIndexAlias("translatedPath", 2);
source.AddDataSet(dataSet);
DataBinding[] bindings = new DataBinding[] {
new DataBinding(5, "translatedPath"),
new DataBinding(1, "untranslatedPath")
};
List <IDataItem> items = new List <IDataItem>(source.GetItems(bindings, true));
Assert.Count(1, items);
PropertyBag map = DataItemUtils.GetMetadata(items[0]);
Assert.Count(1, map);
Assert.AreEqual("Bar", map.GetValue("Foo"));
Assert.Throws <ArgumentNullException>(delegate { items[0].GetValue(null); });
Assert.AreEqual("ghi", items[0].GetValue(bindings[0]));
Assert.AreEqual("def", items[0].GetValue(bindings[1]));
// Should throw ArgumentNullException when binding list is null.
Assert.Throws <ArgumentNullException>(delegate
{
items[0].GetValue(null);
});
}
}
private static IEnumerable <IDataItem> ProcessDataSet(object value, ICollection <DataBinding> bindings)
{
IDataSet dataSet = value as IDataSet;
if (dataSet == null)
{
throw new DataBindingException("Expected the factory to produce a data set.");
}
return(dataSet.GetItems(bindings, true));
}
