tests/check/: Add very simple unit test for subparse.

Original commit message from CVS:
* tests/check/Makefile.am:
* tests/check/elements/.cvsignore:
* tests/check/elements/subparse.c: (buffer_from_static_string),
(setup_subparse), (teardown_subparse), (test_srt_do_test),
(GST_START_TEST), (subparse_suite):
Add very simple unit test for subparse.

ChangeLog

@@ -1,3 +1,12 @@
+2006-10-19  Tim-Philipp Müller  <tim at centricular dot net>
+
+	* tests/check/Makefile.am:
+	* tests/check/elements/.cvsignore:
+	* tests/check/elements/subparse.c: (buffer_from_static_string),
+	(setup_subparse), (teardown_subparse), (test_srt_do_test),
+	(GST_START_TEST), (subparse_suite):
+	  Add very simple unit test for subparse.
+
 2006-10-19  Tim-Philipp Müller  <tim at centricular dot net>
 
 	* gst/subparse/gstsubparse.c: (strip_trailing_newlines),

tests/check/Makefile.am

@@ -58,6 +58,7 @@ check_PROGRAMS = \
 	elements/gdppay \
 	elements/multifdsink \
 	elements/playbin \
+	elements/subparse \
 	elements/videorate \
 	elements/videotestsrc \
 	elements/volume \
@@ -116,6 +117,9 @@ elements_gdppay_LDADD = $(GST_GDP_LIBS) $(LDADD)
 elements_playbin_LDADD = $(GST_BASE_LIBS) $(LDADD)
 elements_playbin_CFLAGS = $(GST_BASE_CFLAGS) $(AM_CFLAGS)
 
+elements_subparse_LDADD =  $(LDADD)
+elements_subparse_CFLAGS = $(CFLAGS) $(AM_CFLAGS)
+
 elements_volume_LDADD = \
 	$(GST_BASE_LIBS) \
 	$(LDADD)

tests/check/elements/.gitignore

@@ -14,3 +14,4 @@ vorbisdec
 ffmpegcolorspace
 vorbistag
 playbin
+subparse

tests/check/elements/subparse.c

@@ -0,0 +1,184 @@
+/* GStreamer unit tests for subparse
+ *
+ * Copyright (C) 2006 Tim-Philipp Müller <tim centricular 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <gst/check/gstcheck.h>
+
+static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
+    GST_PAD_SINK,
+    GST_PAD_ALWAYS,
+    GST_STATIC_CAPS ("text/plain; text/x-pango-markup")
+    );
+static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
+    GST_PAD_SRC,
+    GST_PAD_ALWAYS,
+    GST_STATIC_CAPS ("ANY")
+    );
+
+static GstElement *subparse;
+static GstPad *mysrcpad, *mysinkpad;
+
+static GstBuffer *
+buffer_from_static_string (const gchar * s)
+{
+  GstBuffer *buf;
+
+  buf = gst_buffer_new ();
+  GST_BUFFER_DATA (buf) = (guint8 *) s;
+  GST_BUFFER_SIZE (buf) = strlen (s);
+  GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_READONLY);
+
+  return buf;
+}
+
+static struct
+{
+  const gchar *in;
+  GstClockTime from_ts;
+  GstClockTime to_ts;
+  const gchar *out;
+} srt1_input[] = {
+  {
+  "1\n00:00:01,000 --> 00:00:02,000\nOne\n\n",
+        1 * GST_SECOND, 2 * GST_SECOND, "One"}, {
+  "2\n00:00:02,000 --> 00:00:03,000\nTwo\n\n",
+        2 * GST_SECOND, 3 * GST_SECOND, "Two"}, {
+  "3\n00:00:03,000 --> 00:00:04,000\nThree\n\n",
+        3 * GST_SECOND, 4 * GST_SECOND, "Three"}, {
+  "4\n00:00:04,000 --> 00:00:05,000\nFour\n\n",
+        4 * GST_SECOND, 5 * GST_SECOND, "Four"}, {
+  "5\n00:00:05,000 --> 00:00:06,000\nFive\n",
+        5 * GST_SECOND, 6 * GST_SECOND, "Five"}
+};
+
+static void
+setup_subparse (void)
+{
+  subparse = gst_check_setup_element ("subparse");
+
+  mysrcpad = gst_check_setup_src_pad (subparse, &srctemplate, NULL);
+  mysinkpad = gst_check_setup_sink_pad (subparse, &sinktemplate, NULL);
+
+  gst_pad_set_active (mysrcpad, TRUE);
+  gst_pad_set_active (mysinkpad, TRUE);
+
+  fail_unless_equals_int (gst_element_set_state (subparse, GST_STATE_PLAYING),
+      GST_STATE_CHANGE_SUCCESS);
+}
+
+static void
+teardown_subparse (void)
+{
+  GST_DEBUG ("cleaning up");
+
+  g_list_foreach (buffers, (GFunc) gst_mini_object_unref, NULL);
+  g_list_free (buffers);
+  buffers = NULL;
+
+  gst_check_teardown_sink_pad (subparse);
+  gst_check_teardown_src_pad (subparse);
+  gst_check_teardown_element (subparse);
+  subparse = NULL;
+  mysrcpad = NULL;
+  mysinkpad = NULL;
+}
+
+static void
+test_srt_do_test (guint start_idx, guint num)
+{
+  guint n;
+
+  GST_LOG ("srt test: start_idx = %u, num = %u", start_idx, num);
+
+  setup_subparse ();
+
+  for (n = start_idx; n < start_idx + num; ++n) {
+    GstBuffer *buf;
+
+    buf = buffer_from_static_string (srt1_input[n].in);
+    fail_unless_equals_int (gst_pad_push (mysrcpad, buf), GST_FLOW_OK);
+  }
+
+  gst_pad_push_event (mysrcpad, gst_event_new_eos ());
+
+  fail_unless_equals_int (g_list_length (buffers), num);
+
+  for (n = start_idx; n < start_idx + num; ++n) {
+    const GstStructure *buffer_caps_struct;
+    GstBuffer *buf;
+    gchar *out;
+    guint out_size;
+
+    buf = g_list_nth_data (buffers, n - start_idx);
+    fail_unless (buf != NULL);
+    fail_unless (GST_BUFFER_TIMESTAMP_IS_VALID (buf), NULL);
+    fail_unless (GST_BUFFER_DURATION_IS_VALID (buf), NULL);
+    fail_unless_equals_uint64 (GST_BUFFER_TIMESTAMP (buf),
+        srt1_input[n].from_ts);
+    fail_unless_equals_uint64 (GST_BUFFER_DURATION (buf),
+        srt1_input[n].to_ts - srt1_input[n].from_ts);
+    out = (gchar *) GST_BUFFER_DATA (buf);
+    out_size = GST_BUFFER_SIZE (buf);
+    /* shouldn't have trailing newline characters */
+    fail_if (out_size > 0 && out[out_size - 1] == '\n');
+    fail_unless (strncmp (out, srt1_input[n].out, out_size) == 0);
+    /* check caps */
+    fail_unless (GST_BUFFER_CAPS (buf) != NULL);
+    buffer_caps_struct = gst_caps_get_structure (GST_BUFFER_CAPS (buf), 0);
+    fail_unless (gst_structure_has_name (buffer_caps_struct, "text/plain")
+        || gst_structure_has_name (buffer_caps_struct, "text/x-pango-markup"));
+  }
+
+  teardown_subparse ();
+}
+
+GST_START_TEST (test_srt)
+{
+  test_srt_do_test (0, G_N_ELEMENTS (srt1_input));
+
+  /* make sure everything works fine if we don't start with chunk 1 */
+  test_srt_do_test (1, G_N_ELEMENTS (srt1_input) - 1);
+  test_srt_do_test (2, G_N_ELEMENTS (srt1_input) - 2);
+  test_srt_do_test (3, G_N_ELEMENTS (srt1_input) - 3);
+  test_srt_do_test (4, G_N_ELEMENTS (srt1_input) - 4);
+
+  /* try with empty input, immediate EOS */
+  test_srt_do_test (5, G_N_ELEMENTS (srt1_input) - 5);
+}
+
+GST_END_TEST;
+
+static Suite *
+subparse_suite (void)
+{
+  Suite *s = suite_create ("subparse");
+  TCase *tc_chain = tcase_create ("general");
+
+  suite_add_tcase (s, tc_chain);
+
+  tcase_add_test (tc_chain, test_srt);
+
+  return s;
+}
+
+GST_CHECK_MAIN (subparse);