public async Task RetrieveAsync_ShouldRunPredicateValidation()
{
//arrange
var predicates = new Expression <Func <FakeProjection, bool> >[] {
((p) => p.Id + p.Id == 3)
};
//act
AsyncTestDelegate action = async() => await _dataRetriever.RetrieveAsync(predicates, new[] { Sorting <FakeProjection> .Ascending(c => c.Id) });
//assert
Assert.AreEqual("predicates[0]",
Assert.ThrowsAsync <ArgumentException>(action).ParamName);
}
public async Task RetrieveAsync_ShouldReturnEmptyDataPage()
{
//arrange
var dataRetriever = new InMemoryDataRetriever <FakeProjection>(Enumerable.Empty <FakeProjection>());
var predicates = Enumerable.Empty <Expression <Func <FakeProjection, bool> > >();
//act
var result = await dataRetriever.RetrieveAsync(predicates, new [] { Sorting <FakeProjection> .Ascending(c => c.Id) });
//assert
Assert.IsNotNull(result);
Assert.AreEqual(0, result.TotalRecords);
Assert.AreEqual(0, result.Data.Count());
}