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s1ap_proxy_test: test_s1_setup/1: proxy S1 SETUP RESPONSE PDU

Change-Id: If0906c9e598c66189d27f7c6f3985337a7358862
Related: SYS#7065
---
M test/s1ap_proxy_test.erl
1 file changed, 20 insertions(+), 7 deletions(-)

git pull ssh://gerrit.osmocom.org:29418/erlang/osmo-s1gw refs/changes/14/40714/1

diff --git a/test/s1ap_proxy_test.erl b/test/s1ap_proxy_test.erl
index 3a73910..d579eef 100644
--- a/test/s1ap_proxy_test.erl
+++ b/test/s1ap_proxy_test.erl
@@ -38,8 +38,8 @@
 %% ------------------------------------------------------------------
 
 s1ap_proxy_test_() ->
-    [{"S1 SETUP REQUEST (unmodified)",
-      ?TC(fun test_s1_setup_req/1)},
+    [{"S1 SETUP REQUEST/RESPONSE (unmodified)",
+      ?TC(fun test_s1_setup/1)},
      {"E-RAB SETUP REQUEST/RESPONSE",
       ?TC(fun test_e_rab_setup/1)},
      {"E-RAB SETUP REQUEST (failure)",
@@ -70,13 +70,15 @@
 %% actual testcases
 %% ------------------------------------------------------------------
 
-test_s1_setup_req(#{handler := Pid}) ->
+test_s1_setup(#{handler := Pid}) ->
     SetupReq = s1_setup_req_pdu(),
-    %% Expect the PDU to be proxied unmodified
+    SetupRsp = s1_setup_rsp_pdu(),
+    %% Expect the PDUs to be proxied unmodified
     [?_assertEqual({forward, SetupReq}, s1ap_proxy:process_pdu(Pid, SetupReq)),
-     ?_assertMetric(?S1GW_CTR_S1AP_PROXY_IN_PKT_ALL, 1),
-     ?_assertMetric(?S1GW_CTR_S1AP_PROXY_OUT_PKT_FWD_ALL, 1),
-     ?_assertMetric(?S1GW_CTR_S1AP_PROXY_OUT_PKT_FWD_UNMODIFIED, 1)].
+     ?_assertEqual({forward, SetupRsp}, s1ap_proxy:process_pdu(Pid, SetupRsp)),
+     ?_assertMetric(?S1GW_CTR_S1AP_PROXY_IN_PKT_ALL, 2),
+     ?_assertMetric(?S1GW_CTR_S1AP_PROXY_OUT_PKT_FWD_ALL, 2),
+     ?_assertMetric(?S1GW_CTR_S1AP_PROXY_OUT_PKT_FWD_UNMODIFIED, 2)].
 
 
 test_e_rab_setup(#{handler := Pid}) ->
@@ -371,6 +373,17 @@
     >>.
 
 
+%% S1 SETUP RESPONSE
+s1_setup_rsp_pdu() ->
+    << 16#20, 16#11, 16#00, 16#29, 16#00, 16#00, 16#03, 16#00,
+       16#3d, 16#40, 16#0e, 16#05, 16#80, 16#6f, 16#70, 16#65,
+       16#6e, 16#35, 16#67, 16#73, 16#2d, 16#6d, 16#6d, 16#65,
+       16#30, 16#00, 16#69, 16#00, 16#0b, 16#00, 16#00, 16#00,
+       16#f1, 16#10, 16#00, 16#00, 16#00, 16#02, 16#00, 16#01,
+       16#00, 16#57, 16#40, 16#01, 16#ff
+    >>.
+
+
 %% [eNB <- MME] E-RAB SETUP REQUEST
 e_rab_setup_req_pdu(TLA, TEID) when is_binary(TLA),
                                     is_integer(TEID) ->

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