tests: add very simple zbar unit test

Not valgrind clean yet (could be zbar's fault though).

configure.ac

@@ -1782,6 +1782,7 @@ sys/winks/Makefile
 sys/winscreencap/Makefile
 tests/Makefile
 tests/check/Makefile
+tests/files/Makefile
 tests/examples/Makefile
 tests/examples/camerabin/Makefile
 tests/examples/directfb/Makefile

tests/Makefile.am

@@ -10,11 +10,6 @@ else
 SUBDIRS_EXAMPLES =
 endif
 
-SUBDIRS = icles			\
-	$(SUBDIRS_CHECK)	\
-	$(SUBDIRS_EXAMPLES)
-
-DIST_SUBDIRS = icles		\
-	check			\
-	examples
+SUBDIRS = $(SUBDIRS_CHECK) $(SUBDIRS_EXAMPLES) files icles
 
+DIST_SUBDIRS = check examples files icles

tests/check/Makefile.am

@@ -1,6 +1,7 @@
 include $(top_srcdir)/common/check.mak
 
 CHECK_REGISTRY = $(top_builddir)/tests/check/test-registry.reg
+TEST_FILES_DIRECTORY = $(top_srcdir)/tests/files
 
 GST_TOOLS_DIR = $(top_builddir)/tools
 
@@ -105,10 +106,16 @@ else
 check_orc =
 endif
 
+if USE_ZBAR
+check_zbar = elements/zbar
+else
+check_zbar =
+endif
 
 VALGRIND_TO_FIX = \
 	elements/mpeg2enc \
-	elements/mplex
+	elements/mplex    \
+	elements/zbar
 
 # valgrind testing
 VALGRIND_TESTS_DISABLE = \
@@ -155,6 +162,7 @@ check_PROGRAMS = \
 	elements/rtpmux \
 	elements/valve \
 	$(check_vp8) \
+	$(check_zbar) \
 	$(check_orc) \
         pipelines/tagschecking
 
@@ -162,7 +170,8 @@ noinst_HEADERS = elements/mxfdemux.h
 
 TESTS = $(check_PROGRAMS)
 
-AM_CFLAGS = $(GST_CHECK_CFLAGS) $(GST_OPTION_CFLAGS)
+AM_CFLAGS = $(GST_CHECK_CFLAGS) $(GST_OPTION_CFLAGS) \
+		-DGST_TEST_FILES_PATH="\"$(TEST_FILES_DIRECTORY)\""
 LDADD = $(GST_CHECK_LIBS)
 
 elements_camerabin_CFLAGS = \

tests/check/elements/.gitignore

@@ -38,3 +38,4 @@ y4menc
 valve
 vp8dec
 vp8enc
+zbar

tests/check/elements/zbar.c

@@ -0,0 +1,111 @@
+/* GStreamer zbar element unit test
+ *
+ * Copyright (C) 2010 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.
+ */
+
+#include <gst/check/gstcheck.h>
+
+GST_START_TEST (test_still_image)
+{
+  GstMessage *zbar_msg = NULL;
+  GstElement *pipeline, *src, *dec, *csp, *zbar, *sink;
+  const gchar *type, *symbol;
+  gchar *path;
+  int qual;
+
+  pipeline = gst_pipeline_new ("pipeline");
+
+  src = gst_element_factory_make ("filesrc", NULL);
+  dec = gst_element_factory_make ("pngdec", NULL);
+  csp = gst_element_factory_make ("ffmpegcolorspace", NULL);
+  zbar = gst_element_factory_make ("zbar", NULL);
+  sink = gst_element_factory_make ("fakesink", NULL);
+
+  path = g_build_filename (GST_TEST_FILES_PATH, "barcode.png", NULL);
+  GST_LOG ("reading file '%s'", path);
+  g_object_set (src, "location", path, NULL);
+  g_free (path);
+
+  gst_bin_add_many (GST_BIN (pipeline), src, dec, csp, zbar, sink, NULL);
+  fail_unless (gst_element_link_many (src, dec, csp, zbar, sink, NULL));
+
+  fail_unless_equals_int (gst_element_set_state (pipeline, GST_STATE_PLAYING),
+      GST_STATE_CHANGE_ASYNC);
+
+  do {
+    GstMessage *msg;
+
+    msg = gst_bus_timed_pop_filtered (GST_ELEMENT_BUS (pipeline), -1,
+        GST_MESSAGE_ELEMENT | GST_MESSAGE_EOS | GST_MESSAGE_ERROR);
+
+    GST_INFO ("message: %" GST_PTR_FORMAT, msg);
+
+    fail_if (GST_MESSAGE_TYPE (msg) == GST_MESSAGE_ERROR);
+
+    if (GST_MESSAGE_TYPE (msg) == GST_MESSAGE_EOS) {
+      gst_message_unref (msg);
+      break;
+    }
+
+    if (GST_MESSAGE_SRC (msg) == GST_OBJECT_CAST (zbar) && zbar_msg == NULL) {
+      zbar_msg = msg;
+    } else {
+      gst_message_unref (msg);
+    }
+  } while (1);
+
+  fail_unless (zbar_msg != NULL);
+  fail_unless (gst_structure_has_name (zbar_msg->structure, "barcode"));
+  fail_unless (gst_structure_has_field (zbar_msg->structure, "timestamp"));
+  fail_unless (gst_structure_has_field (zbar_msg->structure, "type"));
+  fail_unless (gst_structure_has_field (zbar_msg->structure, "symbol"));
+  fail_unless (gst_structure_has_field (zbar_msg->structure, "quality"));
+  fail_unless (gst_structure_get_int (zbar_msg->structure, "quality", &qual));
+  fail_unless (qual >= 90);
+  type = gst_structure_get_string (zbar_msg->structure, "type");
+  fail_unless_equals_string (type, "EAN-13");
+  symbol = gst_structure_get_string (zbar_msg->structure, "symbol");
+  fail_unless_equals_string (symbol, "9876543210128");
+
+  fail_unless_equals_int (gst_element_set_state (pipeline, GST_STATE_NULL),
+      GST_STATE_CHANGE_SUCCESS);
+
+  gst_object_unref (pipeline);
+  gst_message_unref (zbar_msg);
+}
+
+GST_END_TEST;
+
+static Suite *
+zbar_suite (void)
+{
+  Suite *s = suite_create ("zbar");
+  TCase *tc_chain = tcase_create ("general");
+
+  suite_add_tcase (s, tc_chain);
+
+  if (!gst_default_registry_check_feature_version ("pngdec", 0, 10, 25)) {
+    GST_INFO ("Skipping test, pngdec either not available or too old");
+  } else {
+    tcase_add_test (tc_chain, test_still_image);
+  }
+
+  return s;
+}
+
+GST_CHECK_MAIN (zbar);

tests/files/Makefile.am

@@ -0,0 +1,2 @@
+EXTRA_DIST = \
+	barcode.png