Add msc_vlr test suite for MSC+VLR end-to-end tests
Change-Id: If0e7cf20b9d1eac12126955b2f5f02bd8f1192cd
diff --git a/tests/msc_vlr/msc_vlr_test_rest.c b/tests/msc_vlr/msc_vlr_test_rest.c
new file mode 100644
index 0000000..5ccc951
--- /dev/null
+++ b/tests/msc_vlr/msc_vlr_test_rest.c
@@ -0,0 +1,188 @@
+/* Osmocom MSC+VLR end-to-end tests */
+
+/* (C) 2017 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
+ *
+ * All Rights Reserved
+ *
+ * Author: Neels Hofmeyr <nhofmeyr@sysmocom.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "msc_vlr_tests.h"
+
+void test_early_stage()
+{
+ comment_start();
+
+ btw("NULL conn");
+ EXPECT_ACCEPTED(false);
+
+ btw("freshly allocated conn");
+ g_conn = msc_subscr_con_allocate(net);
+ g_conn->bts = the_bts;
+ EXPECT_ACCEPTED(false);
+
+ btw("conn_fsm present, in state NEW");
+ OSMO_ASSERT(msc_create_conn_fsm(g_conn, "test") == 0);
+ OSMO_ASSERT(g_conn->conn_fsm);
+ OSMO_ASSERT(g_conn->conn_fsm->state == SUBSCR_CONN_S_NEW);
+ EXPECT_ACCEPTED(false);
+
+ thwart_rx_non_initial_requests();
+
+ btw("fake: acceptance");
+ g_conn->vsub = vlr_subscr_alloc(net->vlr);
+ OSMO_ASSERT(g_conn->vsub);
+ /* mark as silent call so it sticks around */
+ g_conn->silent_call = 1;
+ osmo_fsm_inst_state_chg(g_conn->conn_fsm, SUBSCR_CONN_S_ACCEPTED, 0, 0);
+ EXPECT_CONN_COUNT(1);
+ EXPECT_ACCEPTED(true);
+
+ btw("CLOSE event marks conn_fsm as released and frees the conn");
+ osmo_fsm_inst_dispatch(g_conn->conn_fsm, SUBSCR_CONN_E_CN_CLOSE, NULL);
+ EXPECT_CONN_COUNT(0);
+
+ clear_vlr();
+ comment_end();
+}
+
+void test_cm_service_without_lu()
+{
+ comment_start();
+
+ btw("CM Service Request without a prior Location Updating");
+ ms_sends_msg("05247803305886089910070000006402");
+
+ btw("conn was released");
+ EXPECT_CONN_COUNT(0);
+
+ clear_vlr();
+ comment_end();
+}
+
+void test_two_lu()
+{
+ comment_start();
+
+ btw("Location Update request causes a GSUP LU request to HLR");
+ lu_result_sent = RES_NONE;
+ gsup_expect_tx("04010809710000004026f0");
+ ms_sends_msg("050802008168000130089910070000006402");
+ OSMO_ASSERT(gsup_tx_confirmed);
+ VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+ btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
+ gsup_rx("10010809710000004026f00804036470f1",
+ "12010809710000004026f0");
+ VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+ btw("having received subscriber data does not mean acceptance");
+ EXPECT_ACCEPTED(false);
+
+ thwart_rx_non_initial_requests();
+
+ VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+ btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT");
+ gsup_rx("06010809710000004026f0", NULL);
+
+ btw("LU was successful, and the conn has already been closed");
+ VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d");
+ EXPECT_CONN_COUNT(0);
+
+
+ BTW("verify that the MS can send another LU request");
+ btw("Location Update request causes a GSUP LU request to HLR");
+ lu_result_sent = RES_NONE;
+ gsup_expect_tx("04010809710000004026f0");
+ ms_sends_msg("050802008168000130089910070000006402");
+ OSMO_ASSERT(gsup_tx_confirmed);
+ VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+ btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
+ gsup_rx("10010809710000004026f00804036470f1",
+ "12010809710000004026f0");
+ VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+ btw("having received subscriber data does not mean acceptance");
+ EXPECT_ACCEPTED(false);
+
+ thwart_rx_non_initial_requests();
+
+ VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+ btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT");
+ gsup_rx("06010809710000004026f0", NULL);
+
+ btw("LU was successful, and the conn has already been closed");
+ VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d");
+ EXPECT_CONN_COUNT(0);
+
+ BTW("subscriber detaches");
+ ms_sends_msg("050130089910070000006402");
+
+ EXPECT_CONN_COUNT(0);
+ clear_vlr();
+ comment_end();
+}
+
+void test_lu_unknown_tmsi()
+{
+ comment_start();
+
+ btw("Location Update request with unknown TMSI sends ID Request for IMSI");
+ lu_result_sent = RES_NONE;
+ dtap_expect_tx("051801");
+ ms_sends_msg("050802008168000130" "05f4" "23422342");
+ VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+ EXPECT_ACCEPTED(false);
+ thwart_rx_non_initial_requests();
+
+ btw("MS tells us the IMSI, causes a GSUP LU request to HLR");
+ gsup_expect_tx("04010809710000004026f0");
+ ms_sends_msg("0559089910070000006402");
+ OSMO_ASSERT(gsup_tx_confirmed);
+ VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+ btw("HLR sends _INSERT_DATA_REQUEST, VLR responds with _INSERT_DATA_RESULT");
+ gsup_rx("10010809710000004026f00804036470f1",
+ "12010809710000004026f0");
+ VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+ btw("having received subscriber data does not mean acceptance");
+ EXPECT_ACCEPTED(false);
+ thwart_rx_non_initial_requests();
+ VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
+
+ btw("HLR also sends GSUP _UPDATE_LOCATION_RESULT");
+ gsup_rx("06010809710000004026f0", NULL);
+
+ btw("LU was successful, and the conn has already been closed");
+ VERBOSE_ASSERT(lu_result_sent, == RES_ACCEPT, "%d");
+ EXPECT_CONN_COUNT(0);
+ clear_vlr();
+ comment_end();
+}
+
+msc_vlr_test_func_t msc_vlr_tests[] = {
+ test_early_stage,
+ test_cm_service_without_lu,
+ test_two_lu,
+ test_lu_unknown_tmsi,
+ NULL
+};