test_core_codec.c

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/*
 * Asterisk -- An open source telephony toolkit.
 *
 * Copyright (C) 2014, Digium, Inc.
 *
 * Joshua Colp <[email protected]>
 *
 * 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 Core Codec API Unit Tests
 *
 * \author Joshua Colp <[email protected]>
 *
 */

/*** MODULEINFO
   <depend>TEST_FRAMEWORK</depend>
   <support_level>core</support_level>
 ***/

#include "asterisk.h"

#include "asterisk/test.h"
#include "asterisk/module.h"
#include "asterisk/codec.h"

static struct ast_codec known_unknown = {
   .name = "unit_test",
   .description = "Unit test codec",
   .type = AST_MEDIA_TYPE_AUDIO,
   .sample_rate = 8000,
   .minimum_ms = 10,
   .maximum_ms = 150,
   .default_ms = 20,
};

static struct ast_codec doubly = {
   .name = "unit_test_double",
   .description = "Unit test codec",
   .type = AST_MEDIA_TYPE_AUDIO,
   .sample_rate = 8000,
   .minimum_ms = 10,
   .maximum_ms = 150,
   .default_ms = 20,
};

static struct ast_codec unknown = {
   .name = "unit_test_unknown",
   .description = "Unit test codec",
   .type = AST_MEDIA_TYPE_UNKNOWN,
   .sample_rate = 8000,
   .minimum_ms = 10,
   .maximum_ms = 150,
   .default_ms = 20,
};

static struct ast_codec audio_without_rate = {
   .name = "unit_test_audio_without_rate",
   .description = "Unit test codec",
   .type = AST_MEDIA_TYPE_AUDIO,
   .minimum_ms = 10,
   .maximum_ms = 150,
   .default_ms = 20,
};

static struct ast_codec audio_get = {
   .name = "unit_test_audio_get",
   .description = "Unit test codec",
   .type = AST_MEDIA_TYPE_AUDIO,
   .sample_rate = 8000,
   .minimum_ms = 10,
   .maximum_ms = 150,
   .default_ms = 20,
};

static struct ast_codec audio_get_unknown = {
   .name = "unit_test_audio_get_unknown",
   .description = "Unit test codec",
   .type = AST_MEDIA_TYPE_AUDIO,
   .sample_rate = 8000,
   .minimum_ms = 10,
   .maximum_ms = 150,
   .default_ms = 20,
};

static struct ast_codec audio_get_id = {
   .name = "unit_test_audio_get_id",
   .description = "Unit test codec",
   .type = AST_MEDIA_TYPE_AUDIO,
   .sample_rate = 8000,
   .minimum_ms = 10,
   .maximum_ms = 150,
   .default_ms = 20,
};

AST_TEST_DEFINE(codec_register)
{
   switch (cmd) {
   case TEST_INIT:
      info->name = "codec_register";
      info->category = "/main/core_codec/";
      info->summary = "codec registration unit test";
      info->description =
         "Test registration of a core codec that is known to be unknown";
      return AST_TEST_NOT_RUN;
   case TEST_EXECUTE:
      break;
   }

   if (ast_codec_register(&known_unknown)) {
      ast_test_status_update(test, "Unsuccessfully registered a codec that is known to be unknown\n");
      return AST_TEST_FAIL;
   }

   return AST_TEST_PASS;
}

AST_TEST_DEFINE(codec_register_twice)
{
   switch (cmd) {
   case TEST_INIT:
      info->name = "codec_register_twice";
      info->category = "/main/core_codec/";
      info->summary = "codec registration unit test";
      info->description =
         "Test double registration of a core codec to confirm it fails";
      return AST_TEST_NOT_RUN;
   case TEST_EXECUTE:
      break;
   }

   if (ast_codec_register(&doubly)) {
      ast_test_status_update(test, "Unsuccessfully registered a codec that is known to be unknown\n");
      return AST_TEST_FAIL;
   }

   if (!ast_codec_register(&doubly)) {
      ast_test_status_update(test, "Successfully registered a codec twice\n");
      return AST_TEST_FAIL;
   }

   return AST_TEST_PASS;
}

AST_TEST_DEFINE(codec_register_unknown)
{
   switch (cmd) {
   case TEST_INIT:
      info->name = "codec_register_unknown";
      info->category = "/main/core_codec/";
      info->summary = "codec registration unit test";
      info->description =
         "Test that registration of an unknown codec type fails";
      return AST_TEST_NOT_RUN;
   case TEST_EXECUTE:
      break;
   }

   if (!ast_codec_register(&unknown)) {
      ast_test_status_update(test, "Successfully registered a codec with an unknown media type\n");
      return AST_TEST_FAIL;
   }

   return AST_TEST_PASS;
}

AST_TEST_DEFINE(codec_register_audio_no_sample_rate)
{
   switch (cmd) {
   case TEST_INIT:
      info->name = "codec_register_audio_no_sample_rate";
      info->category = "/main/core_codec/";
      info->summary = "codec registration unit test";
      info->description =
         "Test that registration of an audio codec without sample rate fails";
      return AST_TEST_NOT_RUN;
   case TEST_EXECUTE:
      break;
   }

   if (!ast_codec_register(&audio_without_rate)) {
      ast_test_status_update(test, "Successfully registered an audio codec without a sample rate\n");
      return AST_TEST_FAIL;
   }

   return AST_TEST_PASS;
}

AST_TEST_DEFINE(codec_get)
{
   RAII_VAR(struct ast_codec *, codec, NULL, ao2_cleanup);

   switch (cmd) {
   case TEST_INIT:
      info->name = "codec_get";
      info->category = "/main/core_codec/";
      info->summary = "codec get unit test";
      info->description =
         "Test that getting of a known codec succeeds";
      return AST_TEST_NOT_RUN;
   case TEST_EXECUTE:
      break;
   }

   if (ast_codec_register(&audio_get)) {
      ast_test_status_update(test, "Unsucessfully registered a codec for getting\n");
      return AST_TEST_FAIL;
   }

   codec = ast_codec_get("unit_test_audio_get", AST_MEDIA_TYPE_AUDIO, 8000);
   if (!codec) {
      ast_test_status_update(test, "Unsuccessfully retrieved a codec we just registered\n");
      return AST_TEST_FAIL;
   } else if (strcmp(codec->name, audio_get.name)) {
      ast_test_status_update(test, "Name of retrieved codec does not match registered codec\n");
      return AST_TEST_FAIL;
   } else if (codec->type != audio_get.type) {
      ast_test_status_update(test, "Type of retrieved codec does not match registered codec\n");
      return AST_TEST_FAIL;
   } else if (codec->sample_rate != audio_get.sample_rate) {
      ast_test_status_update(test, "Sample rate of retrieved codec does not match registered codec\n");
      return AST_TEST_FAIL;
   }

   return AST_TEST_PASS;
}

AST_TEST_DEFINE(codec_get_unregistered)
{
   RAII_VAR(struct ast_codec *, codec, NULL, ao2_cleanup);

   switch (cmd) {
   case TEST_INIT:
      info->name = "codec_get_unregistered";
      info->category = "/main/core_codec/";
      info->summary = "codec get unit test";
      info->description =
         "Test that getting of a codec that is not registered fails";
      return AST_TEST_NOT_RUN;
   case TEST_EXECUTE:
      break;
   }

   codec = ast_codec_get("goats", AST_MEDIA_TYPE_AUDIO, 8000);
   if (codec) {
      ast_test_status_update(test, "Successfully got a codec named '%s' when getting a codec named 'goats'\n",
         codec->name);
      return AST_TEST_FAIL;
   }

   return AST_TEST_PASS;
}

AST_TEST_DEFINE(codec_get_unknown)
{
   RAII_VAR(struct ast_codec *, codec, NULL, ao2_cleanup);

   switch (cmd) {
   case TEST_INIT:
      info->name = "codec_get_unknown";
      info->category = "/main/core_codec/";
      info->summary = "codec get unit test";
      info->description =
         "Test that getting of a known codec using name and unknown type succeeds";
      return AST_TEST_NOT_RUN;
   case TEST_EXECUTE:
      break;
   }

   if (ast_codec_register(&audio_get_unknown)) {
      ast_test_status_update(test, "Unsucessfully registered a codec for getting\n");
      return AST_TEST_FAIL;
   }

   codec = ast_codec_get("unit_test_audio_get_unknown", AST_MEDIA_TYPE_UNKNOWN, 8000);
   if (!codec) {
      ast_test_status_update(test, "Unsuccessfully retrieved a codec we just registered\n");
      return AST_TEST_FAIL;
   } else if (strcmp(codec->name, audio_get_unknown.name)) {
      ast_test_status_update(test, "Name of retrieved codec does not match registered codec\n");
      return AST_TEST_FAIL;
   } else if (codec->type != audio_get_unknown.type) {
      ast_test_status_update(test, "Type of retrieved codec does not match registered codec\n");
      return AST_TEST_FAIL;
   } else if (codec->sample_rate != audio_get_unknown.sample_rate) {
      ast_test_status_update(test, "Sample rate of retrieved codec does not match registered codec\n");
      return AST_TEST_FAIL;
   }

   return AST_TEST_PASS;
}

AST_TEST_DEFINE(codec_get_id)
{
   RAII_VAR(struct ast_codec *, named, NULL, ao2_cleanup);
   RAII_VAR(struct ast_codec *, codec, NULL, ao2_cleanup);

   switch (cmd) {
   case TEST_INIT:
      info->name = "codec_get_unknown";
      info->category = "/main/core_codec/";
      info->summary = "codec get unit test";
      info->description =
         "Test that getting of a known codec using name and unknown type succeeds";
      return AST_TEST_NOT_RUN;
   case TEST_EXECUTE:
      break;
   }

   if (ast_codec_register(&audio_get_id)) {
      ast_test_status_update(test, "Unsucessfully registered a codec for getting\n");
      return AST_TEST_FAIL;
   }

   named = ast_codec_get("unit_test_audio_get_id", AST_MEDIA_TYPE_AUDIO, 8000);
   if (!named) {
      ast_test_status_update(test, "Unsuccessfully retrieved a codec we just registered\n");
      return AST_TEST_FAIL;
   }

   codec = ast_codec_get_by_id(named->id);
   if (!codec) {
      ast_test_status_update(test, "Unsuccessfully retrieved a codec using id of a named codec we just got\n");
      return AST_TEST_FAIL;
   }

   return AST_TEST_PASS;
}

static int unload_module(void)
{
   AST_TEST_UNREGISTER(codec_register);
   AST_TEST_UNREGISTER(codec_register_twice);
   AST_TEST_UNREGISTER(codec_register_unknown);
   AST_TEST_UNREGISTER(codec_register_audio_no_sample_rate);
   AST_TEST_UNREGISTER(codec_get);
   AST_TEST_UNREGISTER(codec_get_unregistered);
   AST_TEST_UNREGISTER(codec_get_unknown);
   AST_TEST_UNREGISTER(codec_get_id);
   return 0;
}

static int load_module(void)
{
   AST_TEST_REGISTER(codec_register);
   AST_TEST_REGISTER(codec_register_twice);
   AST_TEST_REGISTER(codec_register_unknown);
   AST_TEST_REGISTER(codec_register_audio_no_sample_rate);
   AST_TEST_REGISTER(codec_get);
   AST_TEST_REGISTER(codec_get_unregistered);
   AST_TEST_REGISTER(codec_get_unknown);
   AST_TEST_REGISTER(codec_get_id);
   return AST_MODULE_LOAD_SUCCESS;
}

AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Core codec API test module");