Added command to populate data for annual billing based on last years values.

tests/app/platform_stats/test_rest.py

@@ -127,4 +127,30 @@ def test_get_usage_for_all_services(notify_db_session, admin_request):
                                  start_date='2019-05-01',
                                  end_date='2019-06-30')
     print(response)
-    assert 1 == 0
+    assert len(response) == 4
+    assert response[0]["organisation_id"] == str(org.id)
+    assert response[0]["service_id"] == str(service.id)
+    assert response[0]["sms_cost"] == 0
+    assert response[0]["sms_fragments"] == 0
+    assert response[0]["letter_cost"] == 3.40
+    assert response[0]["letter_breakdown"] == "6 second class letters at 45p\n2 first class letters at 35p\n"
+    assert response[1]["organisation_id"] == ""
+    assert response[1]["service_id"] == str(service_sms_only.id)
+    assert response[1]["sms_cost"] == 0.33
+    assert response[1]["sms_fragments"] == 3
+    assert response[1]["letter_cost"] == 0
+    assert response[1]["letter_breakdown"] == ""
+
+    assert response[2]["organisation_id"] == str(org_2.id)
+    assert response[2]["service_id"] == str(service_2.id)
+    assert response[2]["sms_cost"] == 0
+    assert response[2]["sms_fragments"] == 0
+    assert response[2]["letter_cost"] == 14
+    assert response[2]["letter_breakdown"] == "20 second class letters at 65p\n2 first class letters at 50p\n"
+
+    assert response[3]["organisation_id"] == ""
+    assert response[3]["service_id"] == str(service_3.id)
+    assert response[3]["sms_cost"] == 0
+    assert response[3]["sms_fragments"] == 0
+    assert response[3]["letter_cost"] == 8.25
+    assert response[3]["letter_breakdown"] == "15 second class letters at 55p\n"