public void Query_elementtype_is_correct()
{
var expected = TestData.Sample.Select(d => d.FirstName + "!").ToArray();
var query = TestData.Sample.AsQueryable()
.Select(d => new string(d.FirstName.Reverse().ToArray()));
query = DeferProvider.Wrap(query, LinqDeferConfiguration.Default);
Assert.AreEqual(typeof(string), query.ElementType);
}
public void Direct_execute_untyped_scalar_query_gives_notsupportedexception()
{
var expected = TestData.Sample.Select(d => d.FirstName + "!").ToArray();
var query = TestData.Sample.AsQueryable()
.Select(d => d.FirstName + "!");
var nonTypedQuery = DeferProvider.Wrap((IQueryable)query, LinqDeferConfiguration.Default);
nonTypedQuery.Provider.Execute(nonTypedQuery.Expression);
}
public void Execute_scalar_query_gives_notsupportedexception()
{
var expected = TestData.Sample.Length;
var query = TestData.Sample.AsQueryable()
.Select(d => new string(d.FirstName.Reverse().ToArray()));
query = DeferProvider.Wrap(query, LinqDeferConfiguration.Default);
var result = query.Count();
}
public void More_queryable_work_after_deferred_works()
{
var expected = TestData.Sample.Select(d => d.FirstName + "!").ToArray();
var query = TestData.Sample.AsQueryable()
.Select(d => new string(d.FirstName.Reverse().ToArray()));
query = DeferProvider.Wrap(query, LinqDeferConfiguration.Default)
.Select(d => new string(d.Reverse().ToArray()) + "!");
var results = query.ToArray();
AssertExtensions.AreCollectionsEquivalent(expected, results);
}
public void Create_untyped_query_works()
{
var expected = TestData.Sample.Select(d => d.FirstName + "!").ToArray();
var query = TestData.Sample.AsQueryable()
.Select(d => d.FirstName + "!");
var nonTypedQuery = DeferProvider.Wrap((IQueryable)query, LinqDeferConfiguration.Default);
var results = nonTypedQuery.GetEnumerator().ToArray();
var stringArrResults = results.Cast <string>().ToArray();
AssertExtensions.AreCollectionsEquivalent(expected, stringArrResults);
}
public void Manual_enumeration_of_query_works()
{
var expected = TestData.Sample.Select(d => new string(d.FirstName.Reverse().ToArray())).ToArray();
var query = TestData.Sample.AsQueryable()
.Select(d => new string(d.FirstName.Reverse().ToArray()));
query = DeferProvider.Wrap(query, LinqDeferConfiguration.Default);
var enumerable = (IEnumerable)query;
var results = new List <string>();
var enumerator = enumerable.GetEnumerator();
while (enumerator.MoveNext())
{
results.Add((string)enumerator.Current);
}
AssertExtensions.AreCollectionsEquivalent(expected, results);
}