capssetter: add unit test

diff --git a/tests/check/elements/capssetter.c b/tests/check/elements/capssetter.c
new file mode 100644 (file)
index 0000000..c11ad4c
--- /dev/null
+++ b/tests/check/elements/capssetter.c
@@ -0,0 +1,228 @@
+/* GStreamer
+ *
+ * unit test for capssetter
+ *
+ * Copyright (C) <2009> Mark Nauwelaerts <mnauw@users.sourceforge.net>
+ *
+ * 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.
+ */
+
+#include <unistd.h>
+
+#include <gst/check/gstcheck.h>
+
+
+/* For ease of programming we use globals to keep refs for our floating
+ * src and sink pads we create; otherwise we always have to do get_pad,
+ * get_peer, and then remove references in every test function */
+static GstPad *mysrcpad, *mysinkpad;
+
+
+static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
+    GST_PAD_SINK,
+    GST_PAD_ALWAYS,
+    GST_STATIC_CAPS_ANY);
+static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
+    GST_PAD_SRC,
+    GST_PAD_ALWAYS,
+    GST_STATIC_CAPS_ANY);
+
+static GstElement *
+setup_capssetter (void)
+{
+  GstElement *capssetter;
+
+  GST_DEBUG ("setup_capssetter");
+
+  capssetter = gst_check_setup_element ("capssetter");
+  mysrcpad = gst_check_setup_src_pad (capssetter, &srctemplate, NULL);
+  mysinkpad = gst_check_setup_sink_pad (capssetter, &sinktemplate, NULL);
+  gst_pad_set_active (mysrcpad, TRUE);
+  gst_pad_set_active (mysinkpad, TRUE);
+
+  return capssetter;
+}
+
+static void
+cleanup_capssetter (GstElement * capssetter)
+{
+  GST_DEBUG ("cleanup_capssetter");
+
+  gst_pad_set_active (mysrcpad, FALSE);
+  gst_pad_set_active (mysinkpad, FALSE);
+  gst_check_teardown_src_pad (capssetter);
+  gst_check_teardown_sink_pad (capssetter);
+  gst_check_teardown_element (capssetter);
+}
+
+static void
+push_and_test (GstCaps * prop_caps, gboolean join, gboolean replace,
+    GstCaps * in_caps, GstCaps * out_caps)
+{
+  GstElement *capssetter;
+  GstBuffer *buffer;
+
+  capssetter = setup_capssetter ();
+  fail_unless (gst_element_set_state (capssetter,
+          GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
+      "could not set to playing");
+
+  buffer = gst_buffer_new_and_alloc (4);
+  ASSERT_BUFFER_REFCOUNT (buffer, "buffer", 1);
+  memcpy (GST_BUFFER_DATA (buffer), "data", 4);
+
+  gst_buffer_set_caps (buffer, in_caps);
+  gst_caps_unref (in_caps);
+
+  g_object_set (capssetter, "join", join, NULL);
+  g_object_set (capssetter, "replace", replace, NULL);
+  g_object_set (capssetter, "caps", prop_caps, NULL);
+  gst_caps_unref (prop_caps);
+
+  /* pushing gives away my reference ... */
+  fail_unless (gst_pad_push (mysrcpad, buffer) == GST_FLOW_OK,
+      "Failed pushing buffer to capssetter");
+
+  fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_eos ()) == TRUE);
+
+  /* ... but it should end up being collected on the global buffer list */
+  fail_unless (g_list_length (buffers) == 1);
+  buffer = g_list_first (buffers)->data;
+  ASSERT_BUFFER_REFCOUNT (buffer, "buffer", 1);
+
+  fail_unless (gst_caps_is_equal (out_caps, GST_BUFFER_CAPS (buffer)));
+  gst_caps_unref (out_caps);
+
+  /* cleanup */
+  cleanup_capssetter (capssetter);
+}
+
+#define SRC_WIDTH   8
+#define SRC_HEIGHT 12
+
+static GstCaps *
+make_src_caps ()
+{
+  return gst_caps_new_simple ("video/x-raw-yuv", "width", G_TYPE_INT, SRC_WIDTH,
+      "height", G_TYPE_INT, SRC_HEIGHT, NULL);
+}
+
+/* don't try these caps mutations at home, folks */
+
+GST_START_TEST (test_n_join_n_replace)
+{
+  GstCaps *in_caps, *prop_caps, *out_caps;
+
+  in_caps = make_src_caps ();
+  prop_caps = gst_caps_new_simple ("video/x-raw-rgb",
+      "width", G_TYPE_INT, 2 * SRC_WIDTH, NULL);
+  out_caps = gst_caps_new_simple ("video/x-raw-rgb",
+      "width", G_TYPE_INT, 2 * SRC_WIDTH,
+      "height", G_TYPE_INT, SRC_HEIGHT, NULL);
+  push_and_test (prop_caps, FALSE, FALSE, in_caps, out_caps);
+}
+
+GST_END_TEST;
+
+GST_START_TEST (test_n_join_replace)
+{
+  GstCaps *in_caps, *prop_caps, *out_caps;
+
+  in_caps = make_src_caps ();
+  prop_caps = gst_caps_new_simple ("video/x-raw-rgb",
+      "width", G_TYPE_INT, 2 * SRC_WIDTH, NULL);
+  out_caps = gst_caps_copy (prop_caps);
+  push_and_test (prop_caps, FALSE, TRUE, in_caps, out_caps);
+}
+
+GST_END_TEST;
+
+GST_START_TEST (test_join_n_replace_n_match)
+{
+  GstCaps *in_caps, *prop_caps, *out_caps;
+
+  /* non joining caps */
+  in_caps = make_src_caps ();
+  prop_caps = gst_caps_new_simple ("video/x-raw-rgb",
+      "width", G_TYPE_INT, 2 * SRC_WIDTH, NULL);
+  out_caps = gst_caps_copy (in_caps);
+  push_and_test (prop_caps, TRUE, FALSE, in_caps, out_caps);
+}
+
+GST_END_TEST;
+
+GST_START_TEST (test_join_n_replace_match)
+{
+  GstCaps *in_caps, *prop_caps, *out_caps;
+
+  /* joining caps */
+  in_caps = make_src_caps ();
+  prop_caps = gst_caps_new_simple ("video/x-raw-yuv",
+      "width", G_TYPE_INT, 2 * SRC_WIDTH, NULL);
+  out_caps = gst_caps_new_simple ("video/x-raw-yuv",
+      "width", G_TYPE_INT, 2 * SRC_WIDTH,
+      "height", G_TYPE_INT, SRC_HEIGHT, NULL);
+  push_and_test (prop_caps, TRUE, FALSE, in_caps, out_caps);
+}
+
+GST_END_TEST;
+
+GST_START_TEST (test_join_replace_n_match)
+{
+  GstCaps *in_caps, *prop_caps, *out_caps;
+
+  /* non joining caps */
+  in_caps = make_src_caps ();
+  prop_caps = gst_caps_new_simple ("video/x-raw-rgb",
+      "width", G_TYPE_INT, 2 * SRC_WIDTH, NULL);
+  out_caps = gst_caps_copy (in_caps);
+  push_and_test (prop_caps, TRUE, TRUE, in_caps, out_caps);
+}
+
+GST_END_TEST;
+
+GST_START_TEST (test_join_replace_match)
+{
+  GstCaps *in_caps, *prop_caps, *out_caps;
+
+  /* joining caps */
+  in_caps = make_src_caps ();
+  prop_caps = gst_caps_new_simple ("video/x-raw-yuv",
+      "width", G_TYPE_INT, 2 * SRC_WIDTH, NULL);
+  out_caps = gst_caps_copy (prop_caps);
+  push_and_test (prop_caps, TRUE, TRUE, in_caps, out_caps);
+}
+
+GST_END_TEST;
+
+static Suite *
+capssetter_suite (void)
+{
+  Suite *s = suite_create ("capssetter");
+  TCase *tc_chain = tcase_create ("general");
+
+  suite_add_tcase (s, tc_chain);
+  tcase_add_test (tc_chain, test_n_join_n_replace);
+  tcase_add_test (tc_chain, test_n_join_replace);
+  tcase_add_test (tc_chain, test_join_n_replace_n_match);
+  tcase_add_test (tc_chain, test_join_n_replace_match);
+  tcase_add_test (tc_chain, test_join_replace_n_match);
+  tcase_add_test (tc_chain, test_join_replace_match);
+
+  return s;
+}
+
+GST_CHECK_MAIN (capssetter);