public void Empty()
{
var list = new BatchingEnumeration <object, object>(
new List <object>(),
10,
(l) => {
Assert.Fail("Nothing should be fetched");
return(l);
});
Assert.That(list, Is.Empty);
Assert.That(list.GetEnumerator().MoveNext(), Is.False);
}
public void TestListOrder()
{
var fetches = 0;
var batchSize = 10;
var list = CreateList(100);
var enumeration = new BatchingEnumeration <int, int>(
list,
batchSize,
(l) =>
{
Assert.That(l.First(), Is.EqualTo(batchSize * fetches));
fetches++;
return(l);
});
}
public void TestNumberOfFetches(int batchSize, int listSize, int expectedFetches)
{
var fetches = 0;
var list = CreateList(listSize);
var enumeration = new BatchingEnumeration <int, int>(
list,
batchSize,
(l) => {
fetches++;
return(l);
});
var doAll = enumeration.All(t => true);
Assert.That(fetches, Is.EqualTo(expectedFetches));
}
public BatchingEntityEnumeration(IEnumerable <IEntityRef> list, int batchSize, params IEntityRef[] fields)
{
Func <IEnumerable <IEntityRef>, IEnumerable <T> > f = (fetchList) => Entity.Get <T>(fetchList.Select(r => r.Id), fields); // I don't like the convertion from a IEntityRef to a EntityRef
_enumeration = new BatchingEnumeration <IEntityRef, T>(list, batchSize, f);
}