fix: now returns when the mocking is set to true

Author: SamRobinson75684

application/CohortManager/src/Functions/Shared/Common/PdsHttpClientMock.cs

@@ -7,6 +7,7 @@ namespace Common;
 using System.Threading.Tasks;
 using System.Text.Json;
 using Model;
+using Common.Interfaces;
 
 /// <summary>
 /// Mock implementation of IHttpClientFunction specifically designed for PDS (Personal Demographics Service) calls.
@@ -17,6 +18,14 @@ namespace Common;
 /// </summary>
 public class PdsHttpClientMock : IHttpClientFunction
 {
+
+    private readonly IFhirPatientDemographicMapper _fhirPatientDemographicMapper;
+
+    public PdsHttpClientMock(IFhirPatientDemographicMapper fhirPatientDemographicMapper)
+    {
+        _fhirPatientDemographicMapper = fhirPatientDemographicMapper;
+    }
+
     public async Task<HttpResponseMessage> SendPost(string url, string data)
     {
         await Task.CompletedTask;
@@ -26,7 +35,11 @@ public async Task<HttpResponseMessage> SendPost(string url, string data)
     public async Task<string> SendGet(string url, Dictionary<string, string> parameters)
     {
         await Task.CompletedTask;
-        return JsonSerializer.Serialize(new PdsDemographic());
+        var patient = GetPatientMockObject("complete-patient.json");
+        var pdsDemographic = _fhirPatientDemographicMapper.ParseFhirJson(patient);
+        var participantDemographic = pdsDemographic.ToParticipantDemographic();
+
+        return JsonSerializer.Serialize(participantDemographic);
     }
 
     public async Task<string> SendGet(string url)

application/CohortManager/src/Functions/Shared/DataServices.Client/DataServiceClient.cs

@@ -86,10 +86,10 @@ public async Task<TEntity> GetSingleByFilter(Expression<Func<TEntity, bool>> pre
         var jsonString = await GetJsonStringByFilter(predicate, true);
         if (string.IsNullOrEmpty(jsonString))
         {
-            return null;
+            return null!;
         }
-        TEntity result = JsonSerializer.Deserialize<TEntity>(jsonString);
-        return result;
+        TEntity result = JsonSerializer.Deserialize<TEntity>(jsonString)!;
+        return result!;
     }
 
     public async Task<bool> Delete(string id)