/* GStreamer * * Common code for GStreamer unittests * * Copyright (C) 2004,2006 Thomas Vander Stichele * Copyright (C) 2008 Thijs Vermeir * * 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. */ /** * SECTION:gstcheck * @short_description: Common code for GStreamer unit tests * * These macros and functions are for internal use of the unit tests found * inside the 'check' directories of various GStreamer packages. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "gstcheck.h" GST_DEBUG_CATEGORY (check_debug); /* logging function for tests * a test uses g_message() to log a debug line * a gst unit test can be run with GST_TEST_DEBUG env var set to see the * messages */ gboolean _gst_check_threads_running = FALSE; GList *thread_list = NULL; GMutex *mutex; GCond *start_cond; /* used to notify main thread of thread startups */ GCond *sync_cond; /* used to synchronize all threads and main thread */ GList *buffers = NULL; GMutex *check_mutex = NULL; GCond *check_cond = NULL; /* FIXME 0.11: shouldn't _gst_check_debug be static? Not used anywhere */ gboolean _gst_check_debug = FALSE; gboolean _gst_check_raised_critical = FALSE; gboolean _gst_check_raised_warning = FALSE; gboolean _gst_check_expecting_log = FALSE; static void gst_check_log_message_func (const gchar * log_domain, GLogLevelFlags log_level, const gchar * message, gpointer user_data) { if (_gst_check_debug) { g_print ("%s", message); } } static void gst_check_log_critical_func (const gchar * log_domain, GLogLevelFlags log_level, const gchar * message, gpointer user_data) { if (!_gst_check_expecting_log) { g_print ("\n\nUnexpected critical/warning: %s\n", message); fail ("Unexpected critical/warning: %s", message); } if (_gst_check_debug) { g_print ("\nExpected critical/warning: %s\n", message); } if (log_level & G_LOG_LEVEL_CRITICAL) _gst_check_raised_critical = TRUE; if (log_level & G_LOG_LEVEL_WARNING) _gst_check_raised_warning = TRUE; } #if defined(G_OS_UNIX) && defined(HAVE_EXECINFO_H) #include #include #include static struct sigaction oldaction_segv; static struct sigaction oldaction_ill; static struct sigaction oldaction_bus; static struct sigaction oldaction_abrt; static gboolean _gst_check_fault_handler_is_setup; /* FALSE */ static void _gst_check_fault_handler_restore (void) { if (!_gst_check_fault_handler_is_setup) return; _gst_check_fault_handler_is_setup = FALSE; sigaction (SIGSEGV, &oldaction_segv, NULL); sigaction (SIGILL, &oldaction_ill, NULL); sigaction (SIGBUS, &oldaction_bus, NULL); sigaction (SIGABRT, &oldaction_abrt, NULL); } static void _gst_check_fault_handler_sighandler (int signum) { void *bt_arr[100]; int num; char *signame; /* We need to restore the fault handler or we'll keep getting it */ _gst_check_fault_handler_restore (); switch (signum) { case SIGSEGV: signame = "SIGSEGV"; break; case SIGILL: signame = "SIGILL"; break; case SIGBUS: signame = "SIGBUS"; break; case SIGABRT: signame = "SIGABRT"; break; default: signame = "Unknown Signal"; break; } fprintf (stderr, "\nERROR: Caught signal '%s' while running test.\n", signame); fprintf (stderr, "Backtrace:\n"); if ((num = backtrace ((void **) bt_arr, G_N_ELEMENTS (bt_arr)))) backtrace_symbols_fd (bt_arr, num, STDERR_FILENO); } static void _gst_check_fault_handler_setup (void) { struct sigaction action; if (_gst_check_fault_handler_is_setup) return; _gst_check_fault_handler_is_setup = TRUE; memset (&action, 0, sizeof (action)); action.sa_handler = _gst_check_fault_handler_sighandler; sigaction (SIGSEGV, &action, &oldaction_segv); sigaction (SIGILL, &action, &oldaction_ill); sigaction (SIGBUS, &action, &oldaction_bus); sigaction (SIGABRT, &action, &oldaction_abrt); } #endif /* G_OS_UNIX && HAVE_EXECINFO_H */ /* initialize GStreamer testing */ void gst_check_init (int *argc, char **argv[]) { gst_init (argc, argv); GST_DEBUG_CATEGORY_INIT (check_debug, "check", 0, "check regression tests"); if (g_getenv ("GST_TEST_DEBUG")) _gst_check_debug = TRUE; g_log_set_handler (NULL, G_LOG_LEVEL_MESSAGE, gst_check_log_message_func, NULL); g_log_set_handler (NULL, G_LOG_LEVEL_CRITICAL | G_LOG_LEVEL_WARNING, gst_check_log_critical_func, NULL); g_log_set_handler ("GStreamer", G_LOG_LEVEL_CRITICAL | G_LOG_LEVEL_WARNING, gst_check_log_critical_func, NULL); g_log_set_handler ("GLib-GObject", G_LOG_LEVEL_CRITICAL | G_LOG_LEVEL_WARNING, gst_check_log_critical_func, NULL); g_log_set_handler ("Gst-Phonon", G_LOG_LEVEL_CRITICAL | G_LOG_LEVEL_WARNING, gst_check_log_critical_func, NULL); check_cond = g_cond_new (); check_mutex = g_mutex_new (); #if defined(G_OS_UNIX) && defined(HAVE_EXECINFO_H) _gst_check_fault_handler_setup (); #endif } /* message checking */ void gst_check_message_error (GstMessage * message, GstMessageType type, GQuark domain, gint code) { GError *error; gchar *debug; fail_unless (GST_MESSAGE_TYPE (message) == type, "message is of type %s instead of expected type %s", gst_message_type_get_name (GST_MESSAGE_TYPE (message)), gst_message_type_get_name (type)); gst_message_parse_error (message, &error, &debug); fail_unless_equals_int (error->domain, domain); fail_unless_equals_int (error->code, code); g_error_free (error); g_free (debug); } /* helper functions */ GstFlowReturn gst_check_chain_func (GstPad * pad, GstBuffer * buffer) { GST_DEBUG ("chain_func: received buffer %p", buffer); buffers = g_list_append (buffers, buffer); g_mutex_lock (check_mutex); g_cond_signal (check_cond); g_mutex_unlock (check_mutex); return GST_FLOW_OK; } /* setup an element for a filter test with mysrcpad and mysinkpad */ GstElement * gst_check_setup_element (const gchar * factory) { GstElement *element; GST_DEBUG ("setup_element"); element = gst_element_factory_make (factory, factory); fail_if (element == NULL, "Could not create a '%s' element", factory); ASSERT_OBJECT_REFCOUNT (element, factory, 1); return element; } void gst_check_teardown_element (GstElement * element) { GST_DEBUG ("teardown_element"); fail_unless (gst_element_set_state (element, GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS, "could not set to null"); ASSERT_OBJECT_REFCOUNT (element, "element", 1); gst_object_unref (element); } /* FIXME: set_caps isn't that useful */ GstPad * gst_check_setup_src_pad (GstElement * element, GstStaticPadTemplate * template, GstCaps * caps) { GstPad *srcpad, *sinkpad; /* sending pad */ srcpad = gst_pad_new_from_static_template (template, "src"); GST_DEBUG_OBJECT (element, "setting up sending pad %p", srcpad); fail_if (srcpad == NULL, "Could not create a srcpad"); ASSERT_OBJECT_REFCOUNT (srcpad, "srcpad", 1); sinkpad = gst_element_get_pad (element, "sink"); fail_if (sinkpad == NULL, "Could not get sink pad from %s", GST_ELEMENT_NAME (element)); ASSERT_OBJECT_REFCOUNT (sinkpad, "sinkpad", 2); if (caps) fail_unless (gst_pad_set_caps (srcpad, caps), "could not set caps on pad"); fail_unless (gst_pad_link (srcpad, sinkpad) == GST_PAD_LINK_OK, "Could not link source and %s sink pads", GST_ELEMENT_NAME (element)); gst_object_unref (sinkpad); /* because we got it higher up */ ASSERT_OBJECT_REFCOUNT (sinkpad, "sinkpad", 1); return srcpad; } void gst_check_teardown_src_pad (GstElement * element) { GstPad *srcpad, *sinkpad; /* clean up floating src pad */ sinkpad = gst_element_get_pad (element, "sink"); ASSERT_OBJECT_REFCOUNT (sinkpad, "sinkpad", 2); srcpad = gst_pad_get_peer (sinkpad); gst_pad_unlink (srcpad, sinkpad); /* caps could have been set, make sure they get unset */ gst_pad_set_caps (srcpad, NULL); /* pad refs held by both creator and this function (through _get) */ ASSERT_OBJECT_REFCOUNT (sinkpad, "element sinkpad", 2); gst_object_unref (sinkpad); /* one more ref is held by element itself */ /* pad refs held by both creator and this function (through _get_peer) */ ASSERT_OBJECT_REFCOUNT (srcpad, "check srcpad", 2); gst_object_unref (srcpad); gst_object_unref (srcpad); } /* FIXME: set_caps isn't that useful; might want to check if fixed, * then use set_use_fixed or somesuch */ GstPad * gst_check_setup_sink_pad (GstElement * element, GstStaticPadTemplate * template, GstCaps * caps) { GstPad *srcpad, *sinkpad; /* receiving pad */ sinkpad = gst_pad_new_from_static_template (template, "sink"); GST_DEBUG_OBJECT (element, "setting up receiving pad %p", sinkpad); fail_if (sinkpad == NULL, "Could not create a sinkpad"); srcpad = gst_element_get_pad (element, "src"); fail_if (srcpad == NULL, "Could not get source pad from %s", GST_ELEMENT_NAME (element)); if (caps) fail_unless (gst_pad_set_caps (sinkpad, caps), "Could not set pad caps"); gst_pad_set_chain_function (sinkpad, gst_check_chain_func); GST_DEBUG_OBJECT (element, "Linking element src pad and receiving sink pad"); fail_unless (gst_pad_link (srcpad, sinkpad) == GST_PAD_LINK_OK, "Could not link %s source and sink pads", GST_ELEMENT_NAME (element)); gst_object_unref (srcpad); /* because we got it higher up */ ASSERT_OBJECT_REFCOUNT (srcpad, "srcpad", 1); GST_DEBUG_OBJECT (element, "set up srcpad, refcount is 1"); return sinkpad; } void gst_check_teardown_sink_pad (GstElement * element) { GstPad *srcpad, *sinkpad; /* clean up floating sink pad */ srcpad = gst_element_get_pad (element, "src"); sinkpad = gst_pad_get_peer (srcpad); gst_pad_unlink (srcpad, sinkpad); /* pad refs held by both creator and this function (through _get_pad) */ ASSERT_OBJECT_REFCOUNT (srcpad, "element srcpad", 2); gst_object_unref (srcpad); /* one more ref is held by element itself */ /* pad refs held by both creator and this function (through _get_peer) */ ASSERT_OBJECT_REFCOUNT (sinkpad, "check sinkpad", 2); gst_object_unref (sinkpad); gst_object_unref (sinkpad); } /** * gst_check_drop_buffers: * * Unref and remove all buffers that are in the global @buffers GList, * emptying the list. * * Since: 0.10.18 */ void gst_check_drop_buffers (void) { GstBuffer *temp_buffer; while (g_list_length (buffers)) { temp_buffer = GST_BUFFER (buffers->data); gst_buffer_unref (temp_buffer); buffers = g_list_delete_link (buffers, buffers); } } /** * gst_check_caps_equal: * @caps1: first caps to compare * @caps2: second caps to compare * * Compare two caps with gst_caps_is_equal and fail unless they are * equal. * * Since: 0.10.18 */ void gst_check_caps_equal (GstCaps * caps1, GstCaps * caps2) { gchar *name1 = gst_caps_to_string (caps1); gchar *name2 = gst_caps_to_string (caps2); fail_unless (gst_caps_is_equal (caps1, caps2), "caps ('%s') is not equal to caps ('%s')", name1, name2); g_free (name1); g_free (name2); } /** * gst_check_element_push_buffer: * @element: name of the element that needs to be created * @buffer_in: a list of buffers that needs to be puched to the element * @buffer_out: a list of buffers that we expect from the element * @last_flow_return: the last buffer push needs to give this GstFlowReturn * * Create an @element with the factory with the name and push the buffers in * @buffer_in to this element. The element should create the buffers equal to * the buffers in @buffer_out. We only check the caps, size and the data of the * buffers. This function unrefs the buffers in the two lists. * The last_flow_return parameter indicates the expected flow return value from * pushing the final buffer in the list. * This can be used to set up a test which pushes some buffers and then an * invalid buffer, when the final buffer is expected to fail, for example. * * Since: 0.10.18 */ void gst_check_element_push_buffer_list (const gchar * element_name, GList * buffer_in, GList * buffer_out, GstFlowReturn last_flow_return) { GstCaps *sink_caps; GstCaps *src_caps = NULL; GstElement *element; GstPad *pad_peer; GstPad *sink_pad = NULL; GstPad *src_pad; GstBuffer *buffer; /* check that there are no buffers waiting */ gst_check_drop_buffers (); /* create the element */ element = gst_check_setup_element (element_name); fail_if (element == NULL, "failed to create the element '%s'", element_name); fail_unless (GST_IS_ELEMENT (element), "the element is no element"); /* create the src pad */ buffer = GST_BUFFER (buffer_in->data); fail_unless (GST_IS_BUFFER (buffer), "There should be a buffer in buffer_in"); src_caps = GST_BUFFER_CAPS (buffer); src_pad = gst_pad_new (NULL, GST_PAD_SRC); gst_pad_set_caps (src_pad, src_caps); pad_peer = gst_element_get_pad (element, "sink"); fail_if (pad_peer == NULL); fail_unless (gst_pad_link (src_pad, pad_peer) == GST_PAD_LINK_OK, "Could not link source and %s sink pads", GST_ELEMENT_NAME (element)); gst_object_unref (pad_peer); /* activate the pad */ gst_pad_set_active (src_pad, TRUE); GST_DEBUG ("src pad activated"); /* don't create the sink_pad if there is no buffer_out list */ if (buffer_out != NULL) { gchar *temp; GST_DEBUG ("buffer out detected, creating the sink pad"); /* get the sink caps */ sink_caps = GST_BUFFER_CAPS (GST_BUFFER (buffer_out->data)); fail_unless (GST_IS_CAPS (sink_caps), "buffer out don't have caps"); temp = gst_caps_to_string (sink_caps); GST_DEBUG ("sink caps requested by buffer out: '%s'", temp); g_free (temp); fail_unless (gst_caps_is_fixed (sink_caps), "we need fixed caps"); /* get the sink pad */ sink_pad = gst_pad_new (NULL, GST_PAD_SINK); fail_unless (GST_IS_PAD (sink_pad)); gst_pad_set_caps (sink_pad, sink_caps); /* get the peer pad */ pad_peer = gst_element_get_pad (element, "src"); fail_unless (gst_pad_link (pad_peer, sink_pad) == GST_PAD_LINK_OK, "Could not link sink and %s source pads", GST_ELEMENT_NAME (element)); gst_object_unref (pad_peer); /* configure the sink pad */ gst_pad_set_chain_function (sink_pad, gst_check_chain_func); gst_pad_set_active (sink_pad, TRUE); } fail_unless (gst_element_set_state (element, GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS, "could not set to playing"); /* push all the buffers in the buffer_in list */ fail_unless (g_list_length (buffer_in) > 0, "the buffer_in list is empty"); while (g_list_length (buffer_in) > 0) { GstBuffer *next_buffer = GST_BUFFER (buffer_in->data); fail_unless (GST_IS_BUFFER (next_buffer), "data in buffer_in should be a buffer"); /* remove the buffer from the list */ buffer_in = g_list_remove (buffer_in, next_buffer); if (g_list_length (buffer_in) == 0) { fail_unless (gst_pad_push (src_pad, next_buffer) == last_flow_return, "we expect something else from the last buffer"); } else { fail_unless (gst_pad_push (src_pad, next_buffer) == GST_FLOW_OK, "Failed to push buffer in"); } } fail_unless (gst_element_set_state (element, GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS, "could not set to null"); /* check that there is a buffer out */ fail_unless (g_list_length (buffers) == g_list_length (buffer_out), "We expected %d buffers, but there are %d buffers", g_list_length (buffer_out), g_list_length (buffers)); while (g_list_length (buffers) > 0) { GstBuffer *new = GST_BUFFER (buffers->data); GstBuffer *orig = GST_BUFFER (buffer_out->data); /* remove the buffers */ buffers = g_list_remove (buffers, new); buffer_out = g_list_remove (buffer_out, orig); fail_unless (GST_BUFFER_SIZE (orig) == GST_BUFFER_SIZE (new), "size of the buffers are not the same"); fail_unless (memcmp (GST_BUFFER_DATA (orig), GST_BUFFER_DATA (new), GST_BUFFER_SIZE (new)) == 0, "data is not the same"); gst_check_caps_equal (GST_BUFFER_CAPS (orig), GST_BUFFER_CAPS (new)); gst_buffer_unref (new); gst_buffer_unref (orig); } /* teardown the element and pads */ gst_pad_set_active (src_pad, FALSE); gst_check_teardown_src_pad (element); gst_pad_set_active (sink_pad, FALSE); gst_check_teardown_sink_pad (element); gst_check_teardown_element (element); } /** * gst_check_element_push_buffer: * @element_name: name of the element that needs to be created * @buffer_in: push this buffer to the element * @buffer_out: compare the result with this buffer * * Create an @element with the factory with the name and push the * @buffer_in to this element. The element should create one buffer * and this will be compared with @buffer_out. We only check the caps * and the data of the buffers. This function unrefs the buffers. * * Since: 0.10.18 */ void gst_check_element_push_buffer (const gchar * element_name, GstBuffer * buffer_in, GstBuffer * buffer_out) { GList *in = NULL; GList *out = NULL; in = g_list_append (in, buffer_in); out = g_list_append (out, buffer_out); gst_check_element_push_buffer_list (element_name, in, out, GST_FLOW_OK); g_list_free (in); g_list_free (out); } void gst_check_abi_list (GstCheckABIStruct list[], gboolean have_abi_sizes) { if (have_abi_sizes) { gboolean ok = TRUE; gint i; for (i = 0; list[i].name; i++) { if (list[i].size != list[i].abi_size) { ok = FALSE; g_print ("sizeof(%s) is %d, expected %d\n", list[i].name, list[i].size, list[i].abi_size); } } fail_unless (ok, "failed ABI check"); } else { const gchar *fn; if ((fn = g_getenv ("GST_ABI"))) { GError *err = NULL; GString *s; gint i; s = g_string_new ("\nGstCheckABIStruct list[] = {\n"); for (i = 0; list[i].name; i++) { g_string_append_printf (s, " {\"%s\", sizeof (%s), %d},\n", list[i].name, list[i].name, list[i].size); } g_string_append (s, " {NULL, 0, 0}\n"); g_string_append (s, "};\n"); if (!g_file_set_contents (fn, s->str, s->len, &err)) { g_print ("%s", s->str); g_printerr ("\nFailed to write ABI information: %s\n", err->message); } else { g_print ("\nWrote ABI information to '%s'.\n", fn); } g_string_free (s, TRUE); } else { g_print ("No structure size list was generated for this architecture.\n"); g_print ("Run with GST_ABI environment variable set to output header.\n"); } } } gint gst_check_run_suite (Suite * suite, const gchar * name, const gchar * fname) { gint nf; SRunner *sr = srunner_create (suite); if (g_getenv ("GST_CHECK_XML")) { /* how lucky we are to have __FILE__ end in .c */ gchar *xmlfilename = g_strdup_printf ("%sheck.xml", fname); srunner_set_xml (sr, xmlfilename); } srunner_run_all (sr, CK_NORMAL); nf = srunner_ntests_failed (sr); srunner_free (sr); return nf; } gboolean _gst_check_run_test_func (const gchar * func_name) { const gchar *gst_checks; gboolean res = FALSE; gchar **funcs, **f; gst_checks = g_getenv ("GST_CHECKS"); /* no filter specified => run all checks */ if (gst_checks == NULL || *gst_checks == '\0') return TRUE; /* only run specified functions */ funcs = g_strsplit (gst_checks, ",", -1); for (f = funcs; f != NULL && *f != NULL; ++f) { if (strcmp (*f, func_name) == 0) { res = TRUE; break; } } g_strfreev (funcs); return res; }