internal async Task CountExpandNested()
{
String request = "Orders?$expand=Items($count=true)&orderby=Id";
ODataUri odataUri = Fixture.ParseUri(request);
var parser = new OeParser(odataUri.ServiceRoot, Fixture.OeDataAdapter, Fixture.EdmModel);
var uri = new Uri(odataUri.ServiceRoot, request);
var response = new MemoryStream();
await parser.ExecuteQueryAsync(odataUri, OeRequestHeaders.JsonDefault, response, CancellationToken.None).ConfigureAwait(false);
response.Position = 0;
var actualCounts = new List <long>();
var reader = new ResponseReader(Fixture.EdmModel, Fixture.OeDataAdapter.EntitySetMetaAdapters);
foreach (dynamic order in reader.Read(response))
{
var navigationProperty = (IEnumerable)order.Items;
actualCounts.Add(reader.GetResourceSet(navigationProperty).Count.Value);
}
List <long> expectedCounts;
using (var dbContext = Fixture.CreateContext())
expectedCounts = dbContext.Orders.OrderBy(o => o.Id).Select(i => (long)i.Items.Count()).ToList();
Assert.Equal(expectedCounts, actualCounts);
}
public async Task NavigationNextPageLink()
{
String request = "Orders?$expand=Items($filter=Count gt 0 or Count eq null;$orderby=Id;$count=true)&$orderby=Id&$count=true";
ODataUri odataUri = Fixture.ParseUri(request);
var parser = new OeParser(odataUri.ServiceRoot, Fixture.OeDataAdapter, Fixture.EdmModel);
var requestUri = new Uri(odataUri.ServiceRoot, request);
Uri uri = requestUri;
OeRequestHeaders requestHeaders = OeRequestHeaders.JsonDefault.SetMaxPageSize(1).SetNavigationNextLink(true);
long count = -1;
var fromOe = new List<Object>();
do
{
var response = new MemoryStream();
await parser.ExecuteGetAsync(uri, requestHeaders, response, CancellationToken.None).ConfigureAwait(false);
response.Position = 0;
var reader = new ResponseReader(Fixture.EdmModel, Fixture.OeDataAdapter);
List<Object> result = reader.Read(response).Cast<Object>().ToList();
Assert.InRange(result.Count, 0, requestHeaders.MaxPageSize);
fromOe.AddRange(result);
var navigationPropertyParser = new OeParser(odataUri.ServiceRoot, Fixture.OeDataAdapter, Fixture.EdmModel);
foreach (dynamic order in result)
{
var navigationProperty = (IEnumerable)order.Items;
ODataResourceSetBase resourceSet = reader.GetResourceSet(navigationProperty);
var navigationPropertyResponse = new MemoryStream();
await navigationPropertyParser.ExecuteGetAsync(resourceSet.NextPageLink, OeRequestHeaders.JsonDefault, navigationPropertyResponse, CancellationToken.None).ConfigureAwait(false);
navigationPropertyResponse.Position = 0;
var navigationPropertyReader = new ResponseReader(Fixture.EdmModel, Fixture.OeDataAdapter);
foreach (dynamic orderItem in navigationPropertyReader.Read(navigationPropertyResponse))
order.Items.Add(orderItem);
Assert.Equal(navigationPropertyReader.ResourceSet.Count, order.Items.Count);
}
if (count < 0)
count = reader.ResourceSet.Count.GetValueOrDefault();
uri = reader.ResourceSet.NextPageLink;
}
while (uri != null);
Assert.Equal(count, fromOe.Count);
var exprectedResponse = new MemoryStream();
var expectedParser = new OeParser(odataUri.ServiceRoot, Fixture.OeDataAdapter, Fixture.EdmModel);
await expectedParser.ExecuteGetAsync(requestUri, OeRequestHeaders.JsonDefault, exprectedResponse, CancellationToken.None).ConfigureAwait(false);
exprectedResponse.Position = 0;
var exprectedReader = new ResponseReader(Fixture.EdmModel, Fixture.OeDataAdapter);
List<Object> expectedResult = exprectedReader.Read(exprectedResponse).Cast<Object>().ToList();
TestHelper.Compare(expectedResult, fromOe, null);
}
