public void ExpressionHookTest()
{
// This is just a constant expression with the resultant array
var q = ExpressionTreeTestUtils.CreateRequestAndGetQueryable(typeof(CustomDataContext), "/Customers").Expression;
Assert.AreEqual(q.NodeType, ExpressionType.Constant);
// this is a call to IQueryable.Where
q = ExpressionTreeTestUtils.CreateRequestAndGetQueryable(typeof(CustomDataContext), "/Customers?$filter=ID eq 0").Expression;
Assert.AreEqual(q.NodeType, ExpressionType.Call);
XmlDocument xDoc = ExpressionTreeTestUtils.CreateRequestAndGetExpressionTreeXml(typeof(CustomDataContext), "/Customers?$filter=ID eq 0");
UnitTestsUtil.VerifyXPaths(xDoc,
"/Call[Method='Where']",
"/Call/Arguments/Constant[position()=1]");
using (TestUtil.RestoreStaticValueOnDispose(typeof(ExpressionTreeToXmlSerializer), "UseFullyQualifiedTypeNames"))
{
xDoc = ExpressionTreeTestUtils.CreateRequestAndGetExpressionTreeXml(typeof(CustomDataContext), "/Customers?$filter=isof('AstoriaUnitTests.Stubs.Customer')");
UnitTestsUtil.VerifyXPaths(xDoc,
"/Call/Arguments/Quote/Lambda/Body/TypeIs[TypeOperand='Customer']");
ExpressionTreeToXmlSerializer.UseFullyQualifiedTypeNames = true;
xDoc = ExpressionTreeTestUtils.CreateRequestAndGetExpressionTreeXml(typeof(CustomDataContext), "/Customers?$filter=isof('AstoriaUnitTests.Stubs.Customer')");
UnitTestsUtil.VerifyXPaths(xDoc,
"/Call/Arguments/Quote/Lambda/Body/TypeIs[TypeOperand='AstoriaUnitTests.Stubs.Customer']");
}
}
public void ExpressionExpandProviderHookTest()
{
using (TestUtil.MetadataCacheCleaner())
using (OpenWebDataServiceHelper.PageSizeCustomizer.Restore())
{
OpenWebDataServiceHelper.PageSizeCustomizer.Value = (config, type) =>
{
config.SetEntitySetAccessRule("*", EntitySetRights.All);
config.SetEntitySetPageSize("Customers", 2);
};
var expanded = ExpressionTreeTestUtils.CreateRequestAndGetQueryable(typeof(CustomDataContext), "/Customers?$expand=Orders&$orderby=ID add 1").Expression;
// We had to wrap for $skiptoken in this case
Assert.IsTrue(expanded.Type.ToString().StartsWith("System.Linq.IQueryable`1[Microsoft.OData.Service.Internal.ExpandedWrapper`3"));
}
}