Re: [PATCHv2 1/6] unit/avrcp: First unit test for AVRCP profile

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On Fri, Feb 21, 2014 at 05:23:45PM +0200, Andrei Emeltchenko wrote:
> From: Andrei Emeltchenko <andrei.emeltchenko@xxxxxxxxx>
> 
> The tests verifies connection establishment for control.

ping


> ---
>  Makefile.am       |   9 ++
>  unit/test-avrcp.c | 265 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 274 insertions(+)
>  create mode 100644 unit/test-avrcp.c
> 
> diff --git a/Makefile.am b/Makefile.am
> index 11f2aa1..5fe58eb 100644
> --- a/Makefile.am
> +++ b/Makefile.am
> @@ -282,6 +282,15 @@ unit_test_avctp_SOURCES = unit/test-avctp.c \
>  				android/avctp.c android/avctp.h
>  unit_test_avctp_LDADD = @GLIB_LIBS@
>  
> +unit_tests += unit/test-avrcp
> +
> +unit_test_avrcp_SOURCES = unit/test-avrcp.c \
> +				src/shared/util.h src/shared/util.c \
> +				src/log.h src/log.c \
> +				android/avctp.c android/avctp.h \
> +				android/avrcp-lib.c android/avrcp-lib.h
> +unit_test_avrcp_LDADD = @GLIB_LIBS@ lib/libbluetooth-internal.la
> +
>  unit_tests += unit/test-gdbus-client
>  
>  unit_test_gdbus_client_SOURCES = unit/test-gdbus-client.c
> diff --git a/unit/test-avrcp.c b/unit/test-avrcp.c
> new file mode 100644
> index 0000000..f1c0f46
> --- /dev/null
> +++ b/unit/test-avrcp.c
> @@ -0,0 +1,265 @@
> +/*
> + *
> + *  BlueZ - Bluetooth protocol stack for Linux
> + *
> + *  Copyright (C) 2014  Intel Corporation. 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 St, Fifth Floor, Boston, MA  02110-1301  USA
> + *
> + */
> +
> +#ifdef HAVE_CONFIG_H
> +#include <config.h>
> +#endif
> +
> +#include <unistd.h>
> +#include <stdlib.h>
> +#include <stdbool.h>
> +#include <inttypes.h>
> +#include <string.h>
> +#include <fcntl.h>
> +#include <sys/socket.h>
> +
> +#include <glib.h>
> +
> +#include "src/shared/util.h"
> +#include "src/log.h"
> +#include "lib/bluetooth.h"
> +
> +#include "android/avctp.h"
> +#include "android/avrcp-lib.h"
> +
> +struct test_pdu {
> +	bool valid;
> +	bool fragmented;
> +	const uint8_t *data;
> +	size_t size;
> +};
> +
> +struct test_data {
> +	char *test_name;
> +	struct test_pdu *pdu_list;
> +};
> +
> +struct context {
> +	GMainLoop *main_loop;
> +	struct avrcp *session;
> +	guint source;
> +	guint process;
> +	int fd;
> +	unsigned int pdu_offset;
> +	const struct test_data *data;
> +};
> +
> +#define data(args...) ((const unsigned char[]) { args })
> +
> +#define raw_pdu(args...)					\
> +	{							\
> +		.valid = true,					\
> +		.data = data(args),				\
> +		.size = sizeof(data(args)),			\
> +	}
> +
> +#define frg_pdu(args...)					\
> +	{							\
> +		.valid = true,					\
> +		.fragmented = true,				\
> +		.data = data(args),				\
> +		.size = sizeof(data(args)),			\
> +	}
> +
> +#define define_test(name, function, args...)				\
> +	do {								\
> +		const struct test_pdu pdus[] = {			\
> +			args, { }					\
> +		};							\
> +		static struct test_data data;				\
> +		data.test_name = g_strdup(name);			\
> +		data.pdu_list = g_malloc(sizeof(pdus));			\
> +		memcpy(data.pdu_list, pdus, sizeof(pdus));		\
> +		g_test_add_data_func(name, &data, function);		\
> +	} while (0)
> +
> +static void test_debug(const char *str, void *user_data)
> +{
> +	const char *prefix = user_data;
> +
> +	g_print("%s%s\n", prefix, str);
> +}
> +
> +static void test_free(gconstpointer user_data)
> +{
> +	const struct test_data *data = user_data;
> +
> +	g_free(data->test_name);
> +	g_free(data->pdu_list);
> +}
> +
> +static gboolean context_quit(gpointer user_data)
> +{
> +	struct context *context = user_data;
> +
> +	if (context->process > 0)
> +		g_source_remove(context->process);
> +
> +	g_main_loop_quit(context->main_loop);
> +
> +	return FALSE;
> +}
> +
> +static gboolean send_pdu(gpointer user_data)
> +{
> +	struct context *context = user_data;
> +	const struct test_pdu *pdu;
> +	ssize_t len;
> +
> +	pdu = &context->data->pdu_list[context->pdu_offset++];
> +
> +	len = write(context->fd, pdu->data, pdu->size);
> +
> +	if (g_test_verbose())
> +		util_hexdump('<', pdu->data, len, test_debug, "AVRCP: ");
> +
> +	g_assert_cmpint(len, ==, pdu->size);
> +
> +	if (pdu->fragmented)
> +		return send_pdu(user_data);
> +
> +	context->process = 0;
> +	return FALSE;
> +}
> +
> +static void context_process(struct context *context)
> +{
> +	if (!context->data->pdu_list[context->pdu_offset].valid) {
> +		context_quit(context);
> +		return;
> +	}
> +
> +	context->process = g_idle_add(send_pdu, context);
> +}
> +
> +static gboolean test_handler(GIOChannel *channel, GIOCondition cond,
> +							gpointer user_data)
> +{
> +	struct context *context = user_data;
> +	const struct test_pdu *pdu;
> +	unsigned char buf[512];
> +	ssize_t len;
> +	int fd;
> +
> +	pdu = &context->data->pdu_list[context->pdu_offset++];
> +
> +	if (cond & (G_IO_NVAL | G_IO_ERR | G_IO_HUP)) {
> +		context->source = 0;
> +		g_print("%s: cond %x\n", __func__, cond);
> +		return FALSE;
> +	}
> +
> +	fd = g_io_channel_unix_get_fd(channel);
> +
> +	len = read(fd, buf, sizeof(buf));
> +
> +	g_assert(len > 0);
> +
> +	if (g_test_verbose())
> +		util_hexdump('>', buf, len, test_debug, "AVRCP: ");
> +
> +	g_assert_cmpint(len, ==, pdu->size);
> +
> +	g_assert(memcmp(buf, pdu->data, pdu->size) == 0);
> +
> +	if (!pdu->fragmented)
> +		context_process(context);
> +
> +	return TRUE;
> +}
> +
> +static struct context *create_context(uint16_t version, gconstpointer data)
> +{
> +	struct context *context = g_new0(struct context, 1);
> +	GIOChannel *channel;
> +	int err, sv[2];
> +
> +	context->main_loop = g_main_loop_new(NULL, FALSE);
> +	g_assert(context->main_loop);
> +
> +	err = socketpair(AF_UNIX, SOCK_SEQPACKET | SOCK_CLOEXEC, 0, sv);
> +	g_assert(err == 0);
> +
> +	context->session = avrcp_new(sv[0], 672, 672, version);
> +	g_assert(context->session != NULL);
> +
> +	channel = g_io_channel_unix_new(sv[1]);
> +
> +	g_io_channel_set_close_on_unref(channel, TRUE);
> +	g_io_channel_set_encoding(channel, NULL, NULL);
> +	g_io_channel_set_buffered(channel, FALSE);
> +
> +	context->source = g_io_add_watch(channel,
> +				G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_NVAL,
> +				test_handler, context);
> +	g_assert(context->source > 0);
> +
> +	g_io_channel_unref(channel);
> +
> +	context->fd = sv[1];
> +	context->data = data;
> +
> +	return context;
> +}
> +
> +static void destroy_context(struct context *context)
> +{
> +	if (context->source > 0)
> +		g_source_remove(context->source);
> +
> +	avrcp_shutdown(context->session);
> +
> +	g_main_loop_unref(context->main_loop);
> +
> +	test_free(context->data);
> +	g_free(context);
> +}
> +
> +static void test_dummy(gconstpointer data)
> +{
> +	struct context *context =  create_context(0x0100, data);
> +
> +	destroy_context(context);
> +}
> +
> +int main(int argc, char *argv[])
> +{
> +	g_test_init(&argc, &argv, NULL);
> +
> +	if (g_test_verbose())
> +		__btd_log_init("*", 0);
> +
> +	/* Connection Establishment for Control tests */
> +
> +	/*
> +	 * Tests are checking connection establishement and release
> +	 * for control channel. Since we are connected through socketpair
> +	 * the tests are dummy
> +	 */
> +	define_test("/TP/CEC/BV-01-I", test_dummy, raw_pdu(0x00));
> +	define_test("/TP/CEC/BV-02-I", test_dummy, raw_pdu(0x00));
> +	define_test("/TP/CRC/BV-01-I", test_dummy, raw_pdu(0x00));
> +	define_test("/TP/CRC/BV-02-I", test_dummy, raw_pdu(0x00));
> +
> +	return g_test_run();
> +}
> -- 
> 1.8.3.2
> 
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