Re: [PATCHv2 2/7] unit/test-gatt: Add search all primary services test case

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On Wed, Oct 29, 2014 at 5:32 AM, Luiz Augusto von Dentz
<luiz.dentz@xxxxxxxxx> wrote:
> Hi Marcin,
>
> On Tue, Oct 28, 2014 at 9:37 PM, Marcin Kraglak
> <marcin.kraglak@xxxxxxxxx> wrote:
>> ---
>>  unit/test-gatt.c | 85 ++++++++++++++++++++++++++++++++++++++++++++++++++------
>>  1 file changed, 77 insertions(+), 8 deletions(-)
>>
>> diff --git a/unit/test-gatt.c b/unit/test-gatt.c
>> index bbbf9a5..f84b0fc 100644
>> --- a/unit/test-gatt.c
>> +++ b/unit/test-gatt.c
>> @@ -35,8 +35,10 @@
>>
>>  #include <glib.h>
>>
>> +#include "lib/uuid.h"
>>  #include "src/shared/util.h"
>>  #include "src/shared/att.h"
>> +#include "src/shared/gatt-helpers.h"
>>  #include "src/shared/gatt-client.h"
>>
>>  struct test_pdu {
>> @@ -45,14 +47,22 @@ struct test_pdu {
>>         size_t size;
>>  };
>>
>> +enum context_type {
>> +       ATT,
>> +       CLIENT,
>> +       SERVER
>> +};
>
> Well the ATT part of this is a bit weird, do we really need to do this
> distinction.
>
>>  struct test_data {
>>         char *test_name;
>>         struct test_pdu *pdu_list;
>> +       enum context_type context_type;
>>  };
>>
>>  struct context {
>>         GMainLoop *main_loop;
>>         struct bt_gatt_client *client;
>> +       struct bt_att *att;
>>         guint source;
>>         guint process;
>>         int fd;
>> @@ -69,13 +79,14 @@ struct context {
>>                 .size = sizeof(data(args)),                     \
>>         }
>>
>> -#define define_test(name, function, args...)                           \
>> +#define define_test(name, function, type, args...)                     \
>>         do {                                                            \
>>                 const struct test_pdu pdus[] = {                        \
>>                         args, { }                                       \
>>                 };                                                      \
>>                 static struct test_data data;                           \
>>                 data.test_name = g_strdup(name);                        \
>> +               data.context_type = type;                               \
>>                 data.pdu_list = g_malloc(sizeof(pdus));                 \
>>                 memcpy(data.pdu_list, pdus, sizeof(pdus));              \
>>                 g_test_add_data_func(name, &data, function);            \
>> @@ -182,6 +193,7 @@ static void gatt_debug(const char *str, void *user_data)
>>  static struct context *create_context(uint16_t mtu, gconstpointer data)
>>  {
>>         struct context *context = g_new0(struct context, 1);
>> +       const struct test_data *test_data = data;
>>         GIOChannel *channel;
>>         int err, sv[2];
>>         struct bt_att *att;
>> @@ -195,12 +207,25 @@ static struct context *create_context(uint16_t mtu, gconstpointer data)
>>         att = bt_att_new(sv[0]);
>>         g_assert(att);
>>
>> -       context->client = bt_gatt_client_new(att, mtu);
>> -       g_assert(context->client);
>> +       switch (test_data->context_type) {
>> +       case ATT:
>> +               context->att = att;
>>
>> -       if (g_test_verbose())
>> -               bt_gatt_client_set_debug(context->client, gatt_debug, "gatt:",
>> -                                                                       NULL);
>> +               bt_gatt_exchange_mtu(context->att, mtu, NULL, NULL, NULL);
>> +               break;
>> +       case CLIENT:
>> +               context->client = bt_gatt_client_new(att, mtu);
>> +               g_assert(context->client);
>> +
>> +               if (g_test_verbose())
>> +                       bt_gatt_client_set_debug(context->client, gatt_debug,
>> +                                                               "gatt:", NULL);
>> +
>> +               bt_att_unref(att);
>> +               break;
>> +       default:
>> +               break;
>> +       }
>>
>>         channel = g_io_channel_unix_new(sv[1]);
>>
>> @@ -214,7 +239,6 @@ static struct context *create_context(uint16_t mtu, gconstpointer data)
>>         g_assert(context->source > 0);
>>
>>         g_io_channel_unref(channel);
>> -       bt_att_unref(att);
>>
>>         context->fd = sv[1];
>>         context->data = data;
>> @@ -222,6 +246,17 @@ static struct context *create_context(uint16_t mtu, gconstpointer data)
>>         return context;
>>  }
>>
>> +static void primary_cb(bool success, uint8_t att_ecode,
>> +                                               struct bt_gatt_result *result,
>> +                                               void *user_data)
>> +{
>> +       struct context *context = user_data;
>> +
>> +       g_assert(success);
>> +
>> +       context_quit(context);
>> +}
>> +
>>  static void destroy_context(struct context *context)
>>  {
>>         if (context->source > 0)
>> @@ -229,6 +264,9 @@ static void destroy_context(struct context *context)
>>
>>         bt_gatt_client_unref(context->client);
>>
>> +       if (context->att)
>> +               bt_att_unref(context->att);
>> +
>>         g_main_loop_unref(context->main_loop);
>>
>>         test_free(context->data);
>> @@ -249,6 +287,16 @@ static void test_client(gconstpointer data)
>>         execute_context(context);
>>  }
>>
>> +static void test_search_primary(gconstpointer data)
>> +{
>> +       struct context *context = create_context(512, data);
>> +
>> +       bt_gatt_discover_all_primary_services(context->att, NULL, primary_cb,
>> +                                                               context, NULL);
>
> Doesn't bt_gatt_client does the same here, I guess I missed this
> detail in the first time but if this is just testing client side then
> it should use bt_gatt_client and if that cannot be tested we probably
> have a problem with our API. I guess PTS would just pass if we do more
> than search the primary services, so things like setting the MTU etc
> should not be a problem here.

Specifically setting the MTU is allowed, but the reason to avoid using
bt_gatt_client_new/init here is to avoid the automatic service
discovery.  This is probably a good idea at least for testing the
different types of discovery.  (is bt_gatt_client  Alternately maybe
just test the type of discovery used by bt_gatt_client.  When
implementing the read value tests, the auto-discovery of
bt_gatt_client may make the test data longer because it needs to be
included in every one.

>> +       execute_context(context);
>> +}
>> +
>>  int main(int argc, char *argv[])
>>  {
>>         g_test_init(&argc, &argv, NULL);
>> @@ -259,8 +307,29 @@ int main(int argc, char *argv[])
>>          * The test group objective is to verify Generic Attribute Profile
>>          * Server Configuration.
>>          */
>> -       define_test("/TP/GAC/CL/BV-01-C", test_client,
>> +       define_test("/TP/GAC/CL/BV-01-C", test_client, CLIENT,
>>                                 raw_pdu(0x02, 0x00, 0x02));
>>
>> +       /*
>> +        * Discovery
>> +        *
>> +        * The test group objective is to verify Generic Attribute Profile
>> +        * Discovery of Services and Service Characteristics.
>> +        */
>> +       define_test("/TP/GAD/CL/BV-01-C", test_search_primary, ATT,
>> +                       raw_pdu(0x02, 0x00, 0x02),
>> +                       raw_pdu(0x03, 0x00, 0x02),
>> +                       raw_pdu(0x10, 0x01, 0x00, 0xff, 0xff, 0x00, 0x28),
>> +                       raw_pdu(0x11, 0x06, 0x10, 0x00, 0x13, 0x00, 0x00, 0x18,
>> +                                       0x20, 0x00, 0x29, 0x00, 0xb0, 0x68,
>> +                                       0x30, 0x00, 0x32, 0x00, 0x19, 0x18),
>> +                       raw_pdu(0x10, 0x33, 0x00, 0xff, 0xff, 0x00, 0x28),
>> +                       raw_pdu(0x11, 0x14, 0x90, 0x00, 0x96, 0x00, 0xef, 0xcd,
>> +                                       0xab, 0x89, 0x67, 0x45, 0x23, 0x01,
>> +                                       0x00, 0x00, 0x00, 0x00, 0x85, 0x60,
>> +                                       0x00, 0x00),
>> +                       raw_pdu(0x10, 0x97, 0x00, 0xff, 0xff, 0x00, 0x28),
>> +                       raw_pdu(0x01, 0x10, 0x97, 0x00, 0x0a));
>> +
>>         return g_test_run();
>>  }
>> --
>> 1.9.3
>>
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>
>
>
> --
> Luiz Augusto von Dentz
> --
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-- 
Michael Janssen
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