test_res_pjsip_session_caps.c

Go to the documentation of this file.

/*
 * Asterisk -- An open source telephony toolkit.
 *
 * Copyright (C) 2020, Sangoma Technologies Corporation
 *
 * George Joseph <gjoseph@sangoma.com>
 *
 * See http://www.asterisk.org for more information about
 * the Asterisk project. Please do not directly contact
 * any of the maintainers of this project for assistance;
 * the project provides a web site, mailing lists and IRC
 * channels for your use.
 *
 * This program is free software, distributed under the terms of
 * the GNU General Public License Version 2. See the LICENSE file
 * at the top of the source tree.
 */
 
/*!
 * \file
 * \brief res_pjsip_session format caps tests
 *
 * \author George Joseph <gjoseph@sangoma.com>
 *
 */
 
/*** MODULEINFO
    <depend>TEST_FRAMEWORK</depend>
    <depend>pjproject</depend>
    <depend>res_pjsip</depend>
    <depend>res_pjsip_session</depend>
    <support_level>core</support_level>
 ***/
 
#include "asterisk.h"
 
#include "asterisk/test.h"
#include "asterisk/module.h"
#include "asterisk/res_pjsip.h"
#include "asterisk/utils.h"
#include "asterisk/format.h"
#include "asterisk/format_cap.h"
#include "asterisk/res_pjsip_session.h"
#include "asterisk/res_pjsip_session_caps.h"
 
static enum ast_test_result_state test_create_joint(struct ast_test *test, const char *local_string,
    const char *remote_string, const char *pref_string, int is_outgoing, const char *expected_string,
    enum ast_test_result_state expected_result)
{
    RAII_VAR(struct ast_format_cap *, local, ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_DEFAULT), ao2_cleanup);
    RAII_VAR(struct ast_format_cap *, remote, ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_DEFAULT), ao2_cleanup);
    RAII_VAR(struct ast_format_cap *, joint, ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_DEFAULT), ao2_cleanup);
    struct ast_str *joint_str = ast_str_alloca(AST_FORMAT_CAP_NAMES_LEN);
    const char *joint_string;
    char *stripped_joint;
    struct ast_flags codec_prefs;
    int rc;
    int i;
 
    ast_test_status_update(test, "Testing local: (%s), remote: (%s), pref: (%-12s), outgoing: (%s), expected: (%s) expected result: (%s)\n",
        local_string, remote_string, pref_string, is_outgoing ? "yes" : "no ", expected_string,
        expected_result == AST_TEST_PASS ? "PASS" : "FAIL");
 
    ast_test_validate(test, local != NULL && remote != NULL && joint != NULL);
 
    rc = ast_format_cap_update_by_allow_disallow(local, local_string, 1);
    if (rc != 0) {
        ast_test_status_update(test, "    %sxpected Failure: Coulldn't parse local codecs (%s)\n",
            expected_result == AST_TEST_FAIL ? "E" : "Une", local_string);
        return expected_result == AST_TEST_FAIL ? AST_TEST_PASS : AST_TEST_FAIL;
    }
    rc = ast_format_cap_update_by_allow_disallow(remote, remote_string, 1);
    if (rc != 0) {
        ast_test_status_update(test, "    %sxpected Failure: Coulldn't parse remote codecs (%s)\n",
            expected_result == AST_TEST_FAIL ? "E" : "Une", remote_string);
        return expected_result == AST_TEST_FAIL ? AST_TEST_PASS : AST_TEST_FAIL;
    }
 
    rc = ast_sip_call_codec_str_to_pref(&codec_prefs, pref_string, is_outgoing);
    if (rc != 0) {
        ast_test_status_update(test, "    %sxpected Failure: Invalid preference string incoming/outgoing combination.\n",
            expected_result == AST_TEST_FAIL ? "E" : "Une");
        return expected_result == AST_TEST_FAIL ? AST_TEST_PASS : AST_TEST_FAIL;
    }
 
    joint = ast_sip_create_joint_call_cap(remote, local, AST_MEDIA_TYPE_AUDIO, codec_prefs);
    if (joint == NULL) {
        ast_test_status_update(test, "    %sxpected Failure: No joint caps.\n",
            expected_result == AST_TEST_FAIL ? "E" : "Une");
        return expected_result == AST_TEST_FAIL ? AST_TEST_PASS : AST_TEST_FAIL;
    }
 
    joint_string = ast_format_cap_get_names(joint, &joint_str);
    stripped_joint = ast_str_truncate(joint_str, ast_str_strlen(joint_str) - 1) + 1;
    for(i = 0; i <= strlen(stripped_joint); i++) {
        if(stripped_joint[i] == '|') {
            stripped_joint[i] = ',';
        }
    }
 
    if (!joint_string || strcmp(stripped_joint, expected_string) != 0) {
        ast_test_status_update(test, "    %sxpected Failure: Expected: (%s) Actual: (%s)\n",
            expected_result == AST_TEST_FAIL ? "E" : "Une", expected_string, stripped_joint);
        return expected_result == AST_TEST_FAIL ? AST_TEST_PASS : AST_TEST_FAIL;
    }
 
    return AST_TEST_PASS;
}
 
#define RUN_CREATE_JOINT(local, remote, pref, outgoing, expected, result) \
do { \
    if (test_create_joint(test, local, remote, pref, outgoing, expected, result) != AST_TEST_PASS) { \
        rc += 1; \
    } \
} while (0)
 
AST_TEST_DEFINE(low_level)
{
    int rc = 0;
 
    switch (cmd) {
    case TEST_INIT:
        info->name = __func__;
        info->category = "/res/res_pjsip_session/caps/";
        info->summary = "Test res_pjsip_session_caps";
        info->description = "Test res_pjsip_session_caps";
        return AST_TEST_NOT_RUN;
    case TEST_EXECUTE:
        break;
    }
 
    /* Incoming */
 
    ast_test_status_update(test, "Testing incoming expected pass\n");
    RUN_CREATE_JOINT("ulaw,alaw,g722",  "g722,alaw,g729",   "local",        0,  "alaw,g722",    AST_TEST_PASS);
    RUN_CREATE_JOINT("ulaw,alaw,g722",  "g722,alaw,g729",   "local_first",  0,  "alaw",         AST_TEST_PASS);
    RUN_CREATE_JOINT("slin",            "all",              "local",        0,  "slin",         AST_TEST_PASS);
    RUN_CREATE_JOINT("ulaw,alaw,g722",  "g722,alaw,g729",   "remote",       0,  "g722,alaw",    AST_TEST_PASS);
    RUN_CREATE_JOINT("ulaw,alaw,g722",  "g722,alaw,g729",   "remote_first", 0,  "g722",         AST_TEST_PASS);
    RUN_CREATE_JOINT("all",             "slin",             "remote_first", 0,  "slin",         AST_TEST_PASS);
 
    ast_test_status_update(test, "Testing incoming expected fail\n");
    RUN_CREATE_JOINT("ulaw,alaw,g722",  "g729",             "local",        0,  "",             AST_TEST_FAIL);
    RUN_CREATE_JOINT("ulaw,alaw,g722",  "g722,alaw,g729",   "local_merge",  0,  "",             AST_TEST_FAIL);
    RUN_CREATE_JOINT("ulaw,alaw,g722",  "g722,alaw,g729",   "remote_merge", 0,  "",             AST_TEST_FAIL);
 
    ast_test_status_update(test, "Testing outgoing expected pass\n");
    RUN_CREATE_JOINT("ulaw,alaw,g722",  "g722,g729,alaw",   "local",        1,  "alaw,g722",            AST_TEST_PASS);
    RUN_CREATE_JOINT("ulaw,alaw,g722",  "g722,g729,alaw",   "local_first",  1,  "alaw",                 AST_TEST_PASS);
    RUN_CREATE_JOINT("ulaw,alaw,g722",  "g722,g729,alaw",   "local_merge",  1,  "ulaw,alaw,g722",   AST_TEST_PASS);
    RUN_CREATE_JOINT("ulaw,alaw,g722",  "g722,g729,alaw",   "remote",       1,  "g722,alaw",            AST_TEST_PASS);
    RUN_CREATE_JOINT("ulaw,alaw,g722",  "g722,g729,alaw",   "remote_first", 1,  "g722",                 AST_TEST_PASS);
    RUN_CREATE_JOINT("ulaw,alaw,g722",  "g722,g729,alaw",   "remote_merge", 1,  "g722,alaw,ulaw",   AST_TEST_PASS);
    RUN_CREATE_JOINT("!all",            "g722,g729,alaw",   "remote_merge", 1,  "nothing",      AST_TEST_PASS);
 
    return rc >= 1 ? AST_TEST_FAIL : AST_TEST_PASS;
}
 
static int load_module(void)
{
    AST_TEST_REGISTER(low_level);
    return AST_MODULE_LOAD_SUCCESS;
}
 
static int unload_module(void)
{
    AST_TEST_UNREGISTER(low_level);
    return 0;
}
 
AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "res_pjsip_session caps test module",
    .support_level = AST_MODULE_SUPPORT_CORE,
    .load = load_module,
    .unload = unload_module,
    .requires = "res_pjsip_session",
);