test: Introduce a very simple test for the paging subsystem

Check that adding a paging command works, check that it is expired
after the first call to paging_gen_msg. The test will be extended
to test the scheduling and selection of the various paging messages.

3 files changed, 136 insertions, 0 deletions

diff --git a/tests/paging/Makefile.am b/tests/paging/Makefile.am
new file mode 100644
index 00000000..d5743a65
--- /dev/null
+++ b/tests/paging/Makefile.am
@@ -0,0 +1,8 @@
+INCLUDES = $(all_includes) -I$(top_srcdir)/include
+AM_CFLAGS = -Wall $(LIBOSMOCORE_CFLAGS) $(LIBOSMOGSM_CFLAGS) $(LIBOSMOVTY_CFLAGS) $(LIBOSMOTRAU_CFLAGS)
+LDADD = $(LIBOSMOCORE_LIBS) $(LIBOSMOGSM_LIBS) $(LIBOSMOVTY_LIBS) $(LIBOSMOTRAU_LIBS) -lortp
+noinst_PROGRAMS = paging_test
+EXTRA_DIST = paging_test.ok
+
+paging_test_SOURCES = paging_test.c
+paging_test_LDADD = $(top_builddir)/src/common/libbts.a $(LDADD)
diff --git a/tests/paging/paging_test.c b/tests/paging/paging_test.c
new file mode 100644
index 00000000..6ce8220d
--- /dev/null
+++ b/tests/paging/paging_test.c
@@ -0,0 +1,126 @@
+/* testing the paging code */
+
+/* (C) 2011 by Holger Hans Peter Freyther
+ *
+ * All Rights Reserved
+ *
+ * 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 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 <osmocom/core/talloc.h>
+
+#include <osmo-bts/bts.h>
+#include <osmo-bts/logging.h>
+#include <osmo-bts/paging.h>
+#include <osmo-bts/gsm_data.h>
+
+static struct gsm_bts *bts;
+static struct gsm_bts_role_bts *btsb;
+
+static const uint8_t static_ilv[] = {
+	0x08, 0x59, 0x51, 0x30, 0x99, 0x00, 0x00, 0x00, 0x19
+};
+
+#define ASSERT_TRUE(rc) \
+	if (!(rc)) { \
+		printf("Assert failed in %s:%d.\n",  \
+		       __FILE__, __LINE__);          \
+		abort();			     \
+	}
+
+static void test_paging_smoke(void)
+{
+	int rc;
+	uint8_t out_buf[GSM_MACBLOCK_LEN];
+	struct gsm_time g_time;
+	printf("Testing that paging messages expire.\n");
+
+	/* add paging entry */
+	rc = paging_add_identity(btsb->paging_state, 0, static_ilv, 0);
+	ASSERT_TRUE(rc == 0);
+	ASSERT_TRUE(paging_queue_length(btsb->paging_state) == 1);
+
+	/* generate messages */
+	g_time.fn = 0;
+	g_time.t1 = 0;
+	g_time.t2 = 0;
+	g_time.t3 = 6;
+	rc = paging_gen_msg(btsb->paging_state, out_buf, &g_time);
+	ASSERT_TRUE(rc == 13);
+
+	ASSERT_TRUE(paging_group_queue_empty(btsb->paging_state, 0));
+	ASSERT_TRUE(paging_queue_length(btsb->paging_state) == 0);
+
+	/*
+	 * TODO: test all the cases of different amount tmsi/imsi and check
+	 * if we fill the slots in a optimal way.
+	 */
+}
+
+int main(int argc, char **argv)
+{
+	void *tall_msgb_ctx;
+
+	tall_bts_ctx = talloc_named_const(NULL, 1, "OsmoBTS context");
+	tall_msgb_ctx = talloc_named_const(tall_bts_ctx, 1, "msgb");
+	msgb_set_talloc_ctx(tall_msgb_ctx);
+
+	bts_log_init(NULL);
+
+	bts = gsm_bts_alloc(tall_bts_ctx);
+	if (bts_init(bts) < 0) {
+		fprintf(stderr, "unable to to open bts\n");
+		exit(1);
+	}
+
+	btsb = bts_role_bts(bts);
+	test_paging_smoke();
+	printf("Success\n");
+
+	return 0;
+}
+
+/* stub to link */
+const uint8_t abis_mac[6] = { 0,1,2,3,4,5 };
+const char *software_version = "0815";
+
+int bts_model_chg_adm_state(struct gsm_bts *bts, struct gsm_abis_mo *mo,
+			    void *obj, uint8_t adm_state)
+{ return 0; }
+int bts_model_init(struct gsm_bts *bts)
+{ return 0; }
+int bts_model_apply_oml(struct gsm_bts *bts, struct msgb *msg,
+			struct tlv_parsed *new_attr, void *obj)
+{ return 0; }
+int bts_model_rsl_chan_rel(struct gsm_lchan *lchan)
+{ return 0;}
+
+int bts_model_rsl_deact_sacch(struct gsm_lchan *lchan)
+{ return 0; }
+
+int bts_model_trx_deact_rf(struct gsm_bts_trx *trx)
+{ return 0; }
+int bts_model_check_oml(struct gsm_bts *bts, uint8_t msg_type,
+			struct tlv_parsed *old_attr, struct tlv_parsed *new_attr,
+			void *obj)
+{ return 0; }
+int bts_model_opstart(struct gsm_bts *bts, struct gsm_abis_mo *mo,
+		      void *obj)
+{ return 0; }
+int bts_model_rsl_chan_act(struct gsm_lchan *lchan, struct tlv_parsed *tp)
+{ return 0; }
+int bts_model_rsl_mode_modify(struct gsm_lchan *lchan)
+{ return 0; }
+void bts_model_rtp_rx_cb(struct osmo_rtp_socket *rs, const uint8_t *rtp_pl,
+			 unsigned int rtp_pl_len) {}
diff --git a/tests/paging/paging_test.ok b/tests/paging/paging_test.ok
new file mode 100644
index 00000000..bbea0090
--- /dev/null
+++ b/tests/paging/paging_test.ok
@@ -0,0 +1,2 @@
+Testing that paging messages expire.
+Success