autodetect: improve the tests

Add fake audio/video sinks. Previously running the test might be flaky due to
the use of real elements (hardware in use), which we don't want to test here.
Add two more tests that check that the fakes are chosen.

2 files changed, 119 insertions, 0 deletions

diff --git a/tests/check/Makefile.am b/tests/check/Makefile.am
index 9c3e13592..bf49ee6ea 100644
--- a/tests/check/Makefile.am
+++ b/tests/check/Makefile.am
@@ -245,6 +245,9 @@ elements_audiowsincband_LDADD = $(GST_PLUGINS_BASE_LIBS) -lgstaudio-$(GST_API_VE
 elements_audiowsinclimit_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(CFLAGS) $(AM_CFLAGS)
 elements_audiowsinclimit_LDADD = $(GST_PLUGINS_BASE_LIBS) -lgstaudio-$(GST_API_VERSION) $(LDADD)
 
+elements_autodetect_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_BASE_CFLAGS) $(CFLAGS) $(AM_CFLAGS)
+elements_autodetect_LDADD = $(GST_BASE_LIBS) $(LDADD)
+
 elements_equalizer_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(CFLAGS) $(AM_CFLAGS)
 elements_equalizer_LDADD = $(GST_PLUGINS_BASE_LIBS) -lgstaudio-$(GST_API_VERSION) $(LDADD)
 
diff --git a/tests/check/elements/autodetect.c b/tests/check/elements/autodetect.c
index cf4e83968..578627cd6 100644
--- a/tests/check/elements/autodetect.c
+++ b/tests/check/elements/autodetect.c
@@ -22,7 +22,113 @@
 # include <config.h>
 #endif
 
+#include <gst/audio/audio.h>
+#include <gst/base/gstbasesink.h>
 #include <gst/check/gstcheck.h>
+#include <gst/video/video.h>
+
+/* dummy sink elements */
+
+#define GST_TYPE_FAKE_AUDIO_SINK (gst_fake_audio_sink_get_type ())
+typedef GstBaseSink GstFakeAudioSink;
+typedef GstBaseSinkClass GstFakeAudioSinkClass;
+GType gst_fake_audio_sink_get_type (void);
+G_DEFINE_TYPE (GstFakeAudioSink, gst_fake_audio_sink, GST_TYPE_BASE_SINK);
+
+static void
+gst_fake_audio_sink_class_init (GstFakeAudioSinkClass * klass)
+{
+  GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass);
+  static GstStaticPadTemplate pad_template = GST_STATIC_PAD_TEMPLATE ("sink",
+      GST_PAD_SINK, GST_PAD_ALWAYS,
+      GST_STATIC_CAPS (GST_AUDIO_CAPS_MAKE (GST_AUDIO_FORMATS_ALL) "; "));
+
+  gst_element_class_set_static_metadata (gstelement_class, "Fake Audio Sink",
+      "Sink/Audio", "Audio sink fake for testing", "Stefan Sauer");
+  gst_element_class_add_pad_template (gstelement_class,
+      gst_static_pad_template_get (&pad_template));
+}
+
+static void
+gst_fake_audio_sink_init (GstFakeAudioSink * sink)
+{
+}
+
+#define GST_TYPE_FAKE_VIDEO_SINK (gst_fake_video_sink_get_type ())
+typedef GstBaseSink GstFakeVideoSink;
+typedef GstBaseSinkClass GstFakeVideoSinkClass;
+GType gst_fake_video_sink_get_type (void);
+G_DEFINE_TYPE (GstFakeVideoSink, gst_fake_video_sink, GST_TYPE_BASE_SINK);
+
+static void
+gst_fake_video_sink_class_init (GstFakeVideoSinkClass * klass)
+{
+  GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass);
+  static GstStaticPadTemplate pad_template = GST_STATIC_PAD_TEMPLATE ("sink",
+      GST_PAD_SINK, GST_PAD_ALWAYS,
+      GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE (GST_VIDEO_FORMATS_ALL) "; "));
+
+  gst_element_class_set_static_metadata (gstelement_class, "Fake Video Sink",
+      "Sink/Video", "Video sink fake for testing", "Stefan Sauer");
+  gst_element_class_add_pad_template (gstelement_class,
+      gst_static_pad_template_get (&pad_template));
+}
+
+static void
+gst_fake_video_sink_init (GstFakeVideoSink * sink)
+{
+}
+
+static gboolean
+plugin_init (GstPlugin * plugin)
+{
+  if (!gst_element_register (plugin, "fakeaudiosink", G_MAXINT,
+          GST_TYPE_FAKE_AUDIO_SINK))
+    return FALSE;
+  if (!gst_element_register (plugin, "fakevideosink", G_MAXINT,
+          GST_TYPE_FAKE_VIDEO_SINK))
+    return FALSE;
+  return TRUE;
+}
+
+/* tests */
+
+static void
+test_plugs_best (GstElement * sink, GType expected)
+{
+  GstStateChangeReturn state_ret;
+  GList *child;
+
+  state_ret = gst_element_set_state (sink, GST_STATE_READY);
+  fail_unless (state_ret == GST_STATE_CHANGE_SUCCESS, NULL);
+
+  child = GST_BIN_CHILDREN (sink);
+  fail_unless (child != NULL, "no elements plugged");
+  ck_assert_int_eq (g_list_length (child), 1);
+  fail_unless (G_OBJECT_TYPE (child), expected);
+
+  /* clean up */
+  gst_element_set_state (sink, GST_STATE_NULL);
+  gst_object_unref (sink);
+}
+
+GST_START_TEST (test_autovideosink_plugs_best)
+{
+  GstElement *sink = gst_element_factory_make ("autovideosink", NULL);
+
+  test_plugs_best (sink, GST_TYPE_FAKE_VIDEO_SINK);
+}
+
+GST_END_TEST;
+
+GST_START_TEST (test_autoaudiosink_plugs_best)
+{
+  GstElement *sink = gst_element_factory_make ("autoaudiosink", NULL);
+
+  test_plugs_best (sink, GST_TYPE_FAKE_AUDIO_SINK);
+}
+
+GST_END_TEST;
 
 static void
 test_ghostpad_error_case (GstCaps * caps, GstElement * sink,
@@ -103,7 +209,17 @@ autodetect_suite (void)
   Suite *s = suite_create ("autodetect");
   TCase *tc_chain = tcase_create ("general");
 
+  gst_plugin_register_static (GST_VERSION_MAJOR,
+      GST_VERSION_MINOR,
+      "autodetect-test",
+      "autodetect test elements",
+      plugin_init,
+      VERSION, "LGPL", PACKAGE, PACKAGE_NAME,
+      "http://gstreamer.freedesktop.org");
+
   suite_add_tcase (s, tc_chain);
+  tcase_add_test (tc_chain, test_autovideosink_plugs_best);
+  tcase_add_test (tc_chain, test_autoaudiosink_plugs_best);
   tcase_add_test (tc_chain, test_autovideosink_ghostpad_error_case);
   tcase_add_test (tc_chain, test_autoaudiosink_ghostpad_error_case);