/// <summary>
/// Verify Common.Core.4015
/// </summary>
/// <param name="context">Service context</param>
/// <param name="info">out parameter to return violation information when rule fail</param>
/// <returns>true if rule passes; false otherwise</returns>
public override bool?Verify(ServiceContext context, out ExtensionRuleViolationInfo info)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
bool?passed = null;
info = null;
if (context.ResponseHttpHeaders.Contains(context.Version == ODataVersion.V4 ? Constants.V4OdataStreaming : Constants.OdataStreaming) &&
context.Destination.Query.Contains(@"$expand="))
{
List <XElement> props = MetadataHelper.GetAllPropertiesOfEntity(context.MetadataDocument, context.EntityTypeShortName, MatchPropertyType.Navigations);
List <string> navigPropNames = new List <string>();
foreach (var prop in props)
{
navigPropNames.Add(prop.Attribute("Name").Value);
}
JObject jObj;
context.ResponsePayload.TryToJObject(out jObj);
if (jObj != null && jObj.Type == JTokenType.Object)
{
var jProps = jObj.Children();
foreach (JProperty j in jProps)
{
if (navigPropNames.Contains(j.Name) && j.Value.Type == JTokenType.Array)
{
//string uri = context.DestinationBasePath + "/" + j.Name + @"/$count";
string uri = VerificationHelper.BuildURL(context.DestinationBasePath, j.Name + @"/$count");
Response resp = WebHelper.Get(uri, null, RuleEngineSetting.Instance().DefaultMaximumPayloadSize, context.RequestHeaders);
passed = null;
if ((j.Value as JArray).Count < Convert.ToInt32(resp.ResponsePayload))
{
if ((j.Next as JProperty).Name ==
(ODataVersion.V4 == context.Version ?
Constants.V4OdataNextLink : Constants.OdataNextLink))
{
passed = true;
}
else
{
passed = false;
info = new ExtensionRuleViolationInfo(this.ErrorMessage, context.Destination, context.ResponsePayload);
break;
}
}
}
}
}
}
return(passed);
}
