add sercomm unit test

Change-Id: I9e2e7fcda28e7c6844d5faa09e02acf537cea44d
changes/44/2644/3
Harald Welte 6 years ago
parent 7af6d22a4e
commit a362ee90b4
  1. 8
      tests/Makefile.am
  2. 136
      tests/sercomm/sercomm_test.c
  3. 21
      tests/sercomm/sercomm_test.ok
  4. 6
      tests/testsuite.at

@ -16,7 +16,7 @@ check_PROGRAMS = timer/timer_test sms/sms_test ussd/ussd_test \
tlv/tlv_test gsup/gsup_test oap/oap_test fsm/fsm_test \
write_queue/wqueue_test socket/socket_test \
coding/coding_test conv/conv_gsm0503_test \
abis/abis_test endian/endian_test
abis/abis_test endian/endian_test sercomm/sercomm_test
if ENABLE_MSGFILE
check_PROGRAMS += msgfile/msgfile_test
@ -165,6 +165,9 @@ coding_coding_test_LDADD = \
endian_endian_test_SOURCES = endian/endian_test.c
endian_endian_test_LDADD = $(top_builddir)/src/libosmocore.la
sercomm_sercomm_test_SOURCES = sercomm/sercomm_test.c
sercomm_sercomm_test_LDADD = $(top_builddir)/src/libosmocore.la
# The `:;' works around a Bash 3.2 bug when the output is not writeable.
$(srcdir)/package.m4: $(top_srcdir)/configure.ac
:;{ \
@ -207,7 +210,8 @@ EXTRA_DIST = testsuite.at $(srcdir)/package.m4 $(TESTSUITE) \
osmo-auc-gen/osmo-auc-gen_test.sh \
osmo-auc-gen/osmo-auc-gen_test.ok \
osmo-auc-gen/osmo-auc-gen_test.err \
conv/conv_gsm0503_test.ok endian/endian_test.ok
conv/conv_gsm0503_test.ok endian/endian_test.ok \
sercomm/sercomm_test.ok
DISTCLEANFILES = atconfig atlocal conv/gsm0503_test_vectors.c
BUILT_SOURCES = conv/gsm0503_test_vectors.c

@ -0,0 +1,136 @@
/* (C) 2017 by Harald Welte <laforge@gnumonks.org>
*
* All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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 General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*/
#include <stdio.h>
#include <errno.h>
#include <osmocom/core/sercomm.h>
#include <osmocom/core/msgb.h>
struct osmo_sercomm_inst g_osi;
static const uint8_t valid_dlci3[] = { 0x7E, 3, 0x03, 'f', 'o', 'o', 0x7E };
static const uint8_t valid_dlci23[] = { 0x7E, 23, 0x03, '2', '3', 0x7E };
static const uint8_t valid_dlci23esc[] = { 0x7E, 23, 0x03, 0x7D, '2' ^ (1 << 5), '3', 0x7E };
static const uint8_t valid_echo[] = { 0x7E, SC_DLCI_ECHO, 0x03, 'e', 'c', 'h', 'o', 0x7E };
static void rx_ser_data(struct osmo_sercomm_inst *sc, const uint8_t *data, unsigned int len)
{
unsigned int i;
printf("Feeding data into sercomm: %s\n", osmo_hexdump(data, len));
for (i = 0; i < len; i++) {
int rc = osmo_sercomm_drv_rx_char(sc, data[i]);
OSMO_ASSERT(rc == 1);
}
}
static void dlci_rx_cb(struct osmo_sercomm_inst *sercomm, uint8_t dlci, struct msgb *msg)
{
printf("%s(): %s\n", __func__, msgb_hexdump(msg));
}
static struct msgb *create_mahlzeit_msg(void)
{
struct msgb *msg = osmo_sercomm_alloc_msgb(10);
OSMO_ASSERT(msg);
msgb_put_u8(msg, 'M');
msgb_put_u8(msg, 'a');
msgb_put_u8(msg, 'h');
msgb_put_u8(msg, 'l');
msgb_put_u8(msg, 'z');
msgb_put_u8(msg, 'e');
msgb_put_u8(msg, 'i');
msgb_put_u8(msg, 't');
return msg;
}
static void drain_from_uart_side(struct osmo_sercomm_inst *osi)
{
uint8_t ch;
int rc;
printf("Draining from UART: ");
while ((rc = osmo_sercomm_drv_pull(osi, &ch) == 1))
printf("0x%02x ", ch);
printf("\n");
}
static void test_echo(struct osmo_sercomm_inst *osi)
{
printf("Testing built-in echo DLCI\n");
OSMO_ASSERT(osmo_sercomm_tx_queue_depth(&g_osi, SC_DLCI_ECHO) == 0);
rx_ser_data(osi, valid_echo, sizeof(valid_echo));
OSMO_ASSERT(osmo_sercomm_tx_queue_depth(&g_osi, SC_DLCI_ECHO) == 1);
drain_from_uart_side(osi);
OSMO_ASSERT(osmo_sercomm_tx_queue_depth(&g_osi, SC_DLCI_ECHO) == 0);
}
static void test_sercomm(void)
{
int rc;
uint8_t ch;
struct msgb *msg;
printf("Initializing sercomm_inst\n");
osmo_sercomm_init(&g_osi);
g_osi.uart_id = 2342;
printf("Registering callback for invalid DLCI\n");
rc = osmo_sercomm_register_rx_cb(&g_osi, 255, NULL);
OSMO_ASSERT(rc == -EINVAL);
printf("Registering callback for valid DLCI\n");
rc = osmo_sercomm_register_rx_cb(&g_osi, 23, &dlci_rx_cb);
OSMO_ASSERT(rc == 0);
printf("Checking reject of overlod of valid DLCI\n");
rc = osmo_sercomm_register_rx_cb(&g_osi, 23, NULL);
OSMO_ASSERT(rc == -EBUSY);
printf("Checking Rx of incoming msg for valid DLCI\n");
rx_ser_data(&g_osi, valid_dlci23, sizeof(valid_dlci23));
printf("Checking Rx of incoming msg for unequipped DLCI\n");
rx_ser_data(&g_osi, valid_dlci3, sizeof(valid_dlci3));
printf("Checking Rx of incoming msg for valid DLCI\n");
rx_ser_data(&g_osi, valid_dlci23, sizeof(valid_dlci23));
printf("Checking Rx of incoming msg with escaped char for valid DLCI\n");
rx_ser_data(&g_osi, valid_dlci23esc, sizeof(valid_dlci23esc));
printf("Checking that no chars are to be transmitted\n");
OSMO_ASSERT(osmo_sercomm_drv_pull(&g_osi, &ch) == 0);
printf("Transmitting msgb through sercomm\n");
OSMO_ASSERT(osmo_sercomm_tx_queue_depth(&g_osi, 42) == 0);
msg = create_mahlzeit_msg();
osmo_sercomm_sendmsg(&g_osi, 42, msg);
OSMO_ASSERT(osmo_sercomm_tx_queue_depth(&g_osi, 42) == 1);
drain_from_uart_side(&g_osi);
OSMO_ASSERT(osmo_sercomm_tx_queue_depth(&g_osi, 42) == 0);
test_echo(&g_osi);
}
int main(int argc, char **argv)
{
test_sercomm();
}

@ -0,0 +1,21 @@
Initializing sercomm_inst
Registering callback for invalid DLCI
Registering callback for valid DLCI
Checking reject of overlod of valid DLCI
Checking Rx of incoming msg for valid DLCI
Feeding data into sercomm: 7e 17 03 32 33 7e
dlci_rx_cb(): 32 33
Checking Rx of incoming msg for unequipped DLCI
Feeding data into sercomm: 7e 03 03 66 6f 6f 7e
Checking Rx of incoming msg for valid DLCI
Feeding data into sercomm: 7e 17 03 32 33 7e
dlci_rx_cb(): 32 33
Checking Rx of incoming msg with escaped char for valid DLCI
Feeding data into sercomm: 7e 17 03 7d 12 33 7e
dlci_rx_cb(): 32 33
Checking that no chars are to be transmitted
Transmitting msgb through sercomm
Draining from UART: 0x7e 0x2a 0x03 0x4d 0x61 0x68 0x6c 0x7a 0x65 0x69 0x74 0x7e
Testing built-in echo DLCI
Feeding data into sercomm: 7e 80 03 65 63 68 6f 7e
Draining from UART: 0x7e 0x80 0x03 0x65 0x63 0x68 0x6f 0x7e

@ -274,3 +274,9 @@ AT_KEYWORDS([endian])
cat $abs_srcdir/endian/endian_test.ok > expout
AT_CHECK([$abs_top_builddir/tests/endian/endian_test], [0], [expout], [ignore])
AT_CLEANUP
AT_SETUP([sercomm])
AT_KEYWORDS([sercomm])
cat $abs_srcdir/sercomm/sercomm_test.ok > expout
AT_CHECK([$abs_top_builddir/tests/sercomm/sercomm_test], [0], [expout], [ignore])
AT_CLEANUP

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