/* GStreamer
  * Copyright (C) 2016 Carlos Rodriguez <carlos.rodriguez@ridgerun.com>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library 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
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public
  * License along with this library; if not, write to the
  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  * Boston, MA 02111-1307, USA.
  */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <gst/check/gstcheck.h>
#include <gst/video/gstvideometa.h>
#include <gst/app/gstappsrc.h>
#include <gst/app/gstappsink.h>

/*
 * Given a interpipesrc element, I can set
 * it to listen to an non-existent sink and create
 * the sink later, then it should start receiving 
 * buffers.
 */
GST_START_TEST (interpipe_anonymous_connection)
{
  GstPipeline *sink;
  GstPipeline *src;
  GstElement *asrc;
  GstElement *asink;
  GstBuffer *buffer1;
  GstBuffer *buffer2;
  GstBuffer *outbuffer;
  GstSample *outsample;
  GError *error = NULL;

  /* Create source pipeline */
  src = GST_PIPELINE (gst_parse_launch ("interpipesrc listen-to=sink ! "
          "appsink name=asink async=false", &error));
  fail_if (error);

  asink = gst_bin_get_by_name (GST_BIN (src), "asink");

  /* Play the source pipeline */
  fail_if (GST_STATE_CHANGE_FAILURE == gst_element_set_state (GST_ELEMENT (src),
          GST_STATE_PLAYING));

  /* Create sink pipeline */
  sink = GST_PIPELINE (gst_parse_launch ("appsrc name=asrc ! interpipesink "
          "name=sink async=true", &error));
  fail_if (error);

  asrc = gst_bin_get_by_name (GST_BIN (sink), "asrc");

  /* Play the sink pipeline */
  fail_if (GST_STATE_CHANGE_FAILURE ==
      gst_element_set_state (GST_ELEMENT (sink), GST_STATE_PLAYING));

  /* Creating two buffers */
  buffer1 = gst_buffer_new ();
  buffer2 = gst_buffer_new ();

  /* Push a buffer to the appsrc and receive it in the appsink */
  gst_app_src_push_buffer (GST_APP_SRC (asrc), buffer1);

  /* Receive the buffer, will return NULL if the buffer is not received */
  outsample = gst_app_sink_pull_sample (GST_APP_SINK (asink));
  outbuffer = gst_sample_get_buffer (outsample);
  fail_if (!outbuffer);
  gst_sample_unref (outsample);

  /* Stop sink pipeline */
  fail_if (GST_STATE_CHANGE_FAILURE ==
      gst_element_set_state (GST_ELEMENT (sink), GST_STATE_NULL));

  /* Play the sink pipeline */
  fail_if (GST_STATE_CHANGE_FAILURE ==
      gst_element_set_state (GST_ELEMENT (sink), GST_STATE_PLAYING));

  /* Push a buffer to the appsrc and receive it in the appsink */
  gst_app_src_push_buffer (GST_APP_SRC (asrc), buffer2);

  /* Receive the buffer, will return NULL if the buffer is not received */
  outsample = gst_app_sink_pull_sample (GST_APP_SINK (asink));
  outbuffer = gst_sample_get_buffer (outsample);
  fail_if (!outbuffer);
  gst_sample_unref (outsample);

  /* Stop the source pipeline first */
  fail_if (GST_STATE_CHANGE_FAILURE == gst_element_set_state (GST_ELEMENT (src),
          GST_STATE_NULL));

  /* Stop the sink pipeline */
  fail_if (GST_STATE_CHANGE_FAILURE ==
      gst_element_set_state (GST_ELEMENT (sink), GST_STATE_NULL));

  /* Cleanup */
  g_object_unref (asrc);
  g_object_unref (asink);
  g_object_unref (sink);
  g_object_unref (src);
}

GST_END_TEST;

static Suite *
gst_interpipe_suite (void)
{
  Suite *suite = suite_create ("Interpipe");
  TCase *tc = tcase_create ("anonymous_connection");

  suite_add_tcase (suite, tc);
  tcase_add_test (tc, interpipe_anonymous_connection);

  return suite;
}

GST_CHECK_MAIN (gst_interpipe);