VED-736: refactor search response to avoid getting no response

Author: Akol125

backend/src/fhir_service.py

@@ -69,7 +69,8 @@ def get_immunization_by_identifier(
         )
 
         patient_full_url = f"urn:uuid:{str(uuid4())}"
-        filtered_response = [Filter.search(imms, patient_full_url) for imms in (imms_resp or [])]
+        imms_list = [imms_resp] if isinstance(imms_resp, dict) else list(imms_resp or [])
+        filtered_response = [Filter.search(imms, patient_full_url) for imms in imms_list]
 
         if not filtered_response:
             base_url = f"{get_service_url()}/Immunization"

backend/tests/test_fhir_service.py

@@ -321,9 +321,11 @@ def tearDown(self):
     def test_get_immunization_by_identifier(self):
         """it should find an Immunization by id"""
         imms = "an-id#an-id"
+        imms_ids = ["imms-1", "imms-2"]
         identifier = "test"
-        element = "id,mEta,DDD"
-        self.imms_repo.get_immunization_by_identifier.return_value = {}
+        element = "id,meta"
+        imms_list = [create_covid_19_immunization_dict(imms_id) for imms_id in imms_ids]
+        self.imms_repo.find_immunizations.return_value = deepcopy(imms_list)
 
         # When
         service_resp = self.fhir_service.get_immunization_by_identifier(imms, "COVID19.S", identifier, element)