gstreamer/tests/check/libs/gstharness.c

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/*
* Tests and examples of GstHarness
*
* Copyright (C) 2015 Havard Graff <havard@pexip.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/check/gstharness.h>
static void
create_destroy_element_harness (gpointer data, gpointer user_data)
{
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GstElement *element = user_data;
GstHarness *h = gst_harness_new_with_element (element, NULL, NULL);
gst_harness_teardown (h);
}
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GST_START_TEST (test_harness_element_ref)
{
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GstHarness *h = gst_harness_new ("identity");
GstHarnessThread *threads[100];
gint i;
for (i = 0; i < G_N_ELEMENTS (threads); i++)
threads[i] = gst_harness_stress_custom_start (h, NULL,
create_destroy_element_harness, h->element, 0);
for (i = 0; i < G_N_ELEMENTS (threads); i++)
gst_harness_stress_thread_stop (threads[i]);
fail_unless_equals_int (G_OBJECT (h->element)->ref_count, 1);
gst_harness_teardown (h);
}
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GST_END_TEST;
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GST_START_TEST (test_src_harness)
{
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GstHarness *h = gst_harness_new ("identity");
/* add a fakesrc that syncs to the clock and a
capsfilter that adds some caps to it */
gst_harness_add_src_parse (h,
"fakesrc sync=1 ! capsfilter caps=\"mycaps\"", TRUE);
/* this cranks the clock and transfers the resulting buffer
from the src-harness into the identity element */
gst_harness_push_from_src (h);
/* verify that identity outputs a buffer by pulling and unreffing */
gst_buffer_unref (gst_harness_pull (h));
gst_harness_teardown (h);
}
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GST_END_TEST;
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GST_START_TEST (test_src_harness_no_forwarding)
{
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GstHarness *h = gst_harness_new ("identity");
/* turn of forwarding of necessary events */
gst_harness_set_forwarding (h, FALSE);
/* add a fakesrc that syncs to the clock and a
capsfilter that adds some caps to it */
gst_harness_add_src_parse (h,
"fakesrc sync=1 ! capsfilter caps=\"mycaps\"", TRUE);
/* start the fakesrc to produce the first events */
gst_harness_play (h->src_harness);
/* transfer STREAM_START event */
gst_harness_src_push_event (h);
/* crank the clock to produce the CAPS and SEGMENT events */
gst_harness_crank_single_clock_wait (h->src_harness);
/* transfer CAPS event */
gst_harness_src_push_event (h);
/* transfer SEGMENT event */
gst_harness_src_push_event (h);
/* now transfer the buffer produced by exploiting
the ability to say 0 cranks but 1 push */
gst_harness_src_crank_and_push_many (h, 0, 1);
/* and verify that the identity element outputs it */
gst_buffer_unref (gst_harness_pull (h));
gst_harness_teardown (h);
}
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GST_END_TEST;
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GST_START_TEST (test_add_sink_harness_without_sinkpad)
{
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GstHarness *h = gst_harness_new ("fakesink");
gst_harness_add_sink (h, "fakesink");
gst_harness_teardown (h);
}
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GST_END_TEST;
static GstEvent *
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create_new_stream_start_event (GstHarness * h, gpointer data)
{
guint *counter = data;
gchar *stream_id = g_strdup_printf ("streamid/%d", *counter);
GstEvent *event = gst_event_new_stream_start (stream_id);
g_free (stream_id);
(*counter)++;
return event;
}
static void
push_query (gpointer data, gpointer user_data)
{
GstHarness *h = user_data;
GstCaps *caps = gst_caps_new_empty_simple ("mycaps");
GstQuery *query = gst_query_new_allocation (caps, FALSE);
gst_caps_unref (caps);
gst_pad_peer_query (h->srcpad, query);
gst_query_unref (query);
}
GST_START_TEST (test_forward_event_and_query_to_sink_harness_while_teardown)
{
GstHarness *h = gst_harness_new ("identity");
guint counter = 0;
GstHarnessThread *e_thread = gst_harness_stress_push_event_with_cb_start (h,
create_new_stream_start_event, &counter, NULL);
GstHarnessThread *q_thread = gst_harness_stress_custom_start (h, NULL,
push_query, h, 0);
gdouble duration = 1.0;
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GTimer *timer = g_timer_new ();
while (g_timer_elapsed (timer, NULL) < duration) {
gst_harness_add_sink (h, "fakesink");
g_thread_yield ();
}
g_timer_destroy (timer);
gst_harness_stress_thread_stop (q_thread);
gst_harness_stress_thread_stop (e_thread);
gst_harness_teardown (h);
}
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GST_END_TEST;
static GstHarness *
harness_new_and_fill_with_data (void)
{
GstHarness *h = gst_harness_new_parse ("fakesrc num-buffers=5 "
"filltype=pattern-span sizetype=fixed sizemin=10 sizemax=10");
gboolean have_eos = FALSE;
gst_harness_play (h);
do {
GstEvent *e = gst_harness_pull_event (h);
have_eos = GST_EVENT_TYPE (e) == GST_EVENT_EOS;
gst_event_unref (e);
} while (!have_eos);
return h;
}
GST_START_TEST (test_get_all_data)
{
guint8 expected[50];
const guint8 *cdata;
GstHarness *h;
GstBuffer *buf;
GBytes *bytes;
guint8 *data;
gsize size;
guint i;
for (i = 0; i < G_N_ELEMENTS (expected); ++i)
expected[i] = i;
h = harness_new_and_fill_with_data ();
buf = gst_harness_take_all_data_as_buffer (h);
fail_unless (buf != NULL);
fail_unless_equals_int (gst_buffer_get_size (buf), 5 * 10);
fail_unless (gst_buffer_memcmp (buf, 0, expected, 5 * 10) == 0);
gst_buffer_unref (buf);
/* There should be nothing left now. We should still get a non-NULL buffer */
buf = gst_harness_take_all_data_as_buffer (h);
fail_unless (buf != NULL);
fail_unless_equals_int (gst_buffer_get_size (buf), 0);
gst_buffer_unref (buf);
gst_harness_teardown (h);
h = harness_new_and_fill_with_data ();
bytes = gst_harness_take_all_data_as_bytes (h);
fail_unless (bytes != NULL);
cdata = g_bytes_get_data (bytes, &size);
fail_unless_equals_int (size, 5 * 10);
fail_unless (memcmp (cdata, expected, 50) == 0);
g_bytes_unref (bytes);
/* There should be nothing left now. We should still get a non-NULL bytes */
bytes = gst_harness_take_all_data_as_bytes (h);
fail_unless (bytes != NULL);
cdata = g_bytes_get_data (bytes, &size);
fail_unless (cdata == NULL);
fail_unless_equals_int (size, 0);
g_bytes_unref (bytes);
gst_harness_teardown (h);
h = harness_new_and_fill_with_data ();
data = gst_harness_take_all_data (h, &size);
fail_unless (data != NULL);
fail_unless_equals_int (size, 5 * 10);
fail_unless (memcmp (data, expected, 50) == 0);
g_free (data);
/* There should be nothing left now. */
data = gst_harness_take_all_data (h, &size);
fail_unless (data == NULL);
fail_unless_equals_int (size, 0);
gst_harness_teardown (h);
}
GST_END_TEST;
static Suite *
gst_harness_suite (void)
{
Suite *s = suite_create ("GstHarness");
TCase *tc_chain = tcase_create ("harness");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_harness_element_ref);
tcase_add_test (tc_chain, test_src_harness);
tcase_add_test (tc_chain, test_src_harness_no_forwarding);
tcase_add_test (tc_chain, test_add_sink_harness_without_sinkpad);
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tcase_add_test (tc_chain,
test_forward_event_and_query_to_sink_harness_while_teardown);
tcase_add_test (tc_chain, test_get_all_data);
return s;
}
GST_CHECK_MAIN (gst_harness);