tests: mssdemux: add unit tests

Adds unit tests similar to the ones that we have for DASH and HLS. Tests: * manifest parsing finishes successfully * some queries (duration, seekable, latency) * seeking with various values and flags
2025-02-17 03:35:21 +00:00 · 2016-02-02 17:02:41 -03:00 · 2016-02-02 17:02:41 -03:00 · 8f25333976
commit 8f25333976
parent ac2734f5cb
3 changed files with 649 additions and 0 deletions
--- a/tests/check/Makefile.am
+++ b/tests/check/Makefile.am
@ -96,6 +96,12 @@ else
 check_mplex =
 endif

+if USE_SMOOTHSTREAMING
+check_mssdemux = elements/mssdemux
+else
+check_mssdemux =
+endif
+
 if USE_NEON
 check_neon = elements/neonhttpsrc
 else
@ -248,6 +254,7 @@ check_PROGRAMS = \
 	$(check_voamrwbenc) \
 	$(check_mpeg2enc)  \
 	$(check_mplex)     \
+	$(check_mssdemux) \
 	$(check_ofa)        \
 	$(check_timidity)  \
 	$(check_kate)  \
@ -469,6 +476,15 @@ elements_dash_demux_LDADD = \

 elements_dash_demux_SOURCES = elements/test_http_src.c elements/test_http_src.h elements/adaptive_demux_engine.c elements/adaptive_demux_engine.h elements/adaptive_demux_common.c elements/adaptive_demux_common.h elements/dash_demux.c

+elements_mssdemux_CFLAGS = $(AM_CFLAGS) $(LIBXML2_CFLAGS) $(GST_PLUGINS_BASE_CFLAGS) $(GST_PLUGINS_BAD_CFLAGS)
+elements_mssdemux_LDADD = \
+	$(LDADD) $(LIBXML2_LIBS) $(GST_BASE_LIBS) \
+	-lgsttag-$(GST_API_VERSION) \
+	-lgstapp-$(GST_API_VERSION) \
+	$(top_builddir)/gst-libs/gst/adaptivedemux/libgstadaptivedemux-@GST_API_VERSION@.la
+
+elements_mssdemux_SOURCES = elements/test_http_src.c elements/test_http_src.h elements/adaptive_demux_engine.c elements/adaptive_demux_engine.h elements/adaptive_demux_common.c elements/adaptive_demux_common.h elements/mssdemux.c
+
 pipelines_streamheader_CFLAGS = $(GIO_CFLAGS) $(AM_CFLAGS)
 pipelines_streamheader_LDADD = $(GIO_LIBS) $(LDADD)

--- a/tests/check/elements/.gitignore
+++ b/tests/check/elements/.gitignore
@ -40,6 +40,7 @@ mpeg4videoparse
 mpegtsmux
 mpg123audiodec
 mplex
+mssdemux
 mxfdemux
 mxfmux
 neonhttpsrc
--- a/tests/check/elements/mssdemux.c
+++ b/tests/check/elements/mssdemux.c
@ -0,0 +1,632 @@
+/* GStreamer unit test for MSS
+ *
+ * Copyright (C) 2016 Samsung Electronics. All rights reserved.
+ *   Author: Thiago Santos <thiagoss@osg.samsung.com>
+ *
+ * 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., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include <gst/check/gstcheck.h>
+#include "adaptive_demux_common.h"
+
+#define DEMUX_ELEMENT_NAME "mssdemux"
+
+#define COPY_OUTPUT_TEST_DATA(outputTestData,testData) do { \
+    guint otdPos, otdLen = sizeof((outputTestData)) / sizeof((outputTestData)[0]); \
+    for(otdPos=0; otdPos<otdLen; ++otdPos){ \
+  (testData)->output_streams = g_list_append ((testData)->output_streams, &(outputTestData)[otdPos]); \
+    } \
+  } while(0)
+
+typedef struct _GstMssDemuxTestInputData
+{
+  const gchar *uri;
+  const guint8 *payload;
+  guint64 size;
+} GstMssDemuxTestInputData;
+
+static gboolean
+gst_mssdemux_http_src_start (GstTestHTTPSrc * src,
+    const gchar * uri, GstTestHTTPSrcInput * input_data, gpointer user_data)
+{
+  const GstMssDemuxTestInputData *input =
+      (const GstMssDemuxTestInputData *) user_data;
+
+
+  for (guint i = 0; input[i].uri; ++i) {
+    if (strcmp (input[i].uri, uri) == 0) {
+      input_data->context = (gpointer) & input[i];
+      input_data->size = input[i].size;
+      if (input[i].size == 0)
+        input_data->size = strlen ((gchar *) input[i].payload);
+      return TRUE;
+    }
+  }
+
+  return FALSE;
+}
+
+static GstFlowReturn
+gst_mssdemux_http_src_create (GstTestHTTPSrc * src,
+    guint64 offset,
+    guint length, GstBuffer ** retbuf, gpointer context, gpointer user_data)
+{
+  /*  const GstMssDemuxTestInputData *input =
+     (const GstMssDemuxTestInputData *) user_data; */
+  const GstMssDemuxTestInputData *input =
+      (const GstMssDemuxTestInputData *) context;
+  GstBuffer *buf;
+
+  buf = gst_buffer_new_allocate (NULL, length, NULL);
+  fail_if (buf == NULL, "Not enough memory to allocate buffer");
+
+  if (input->payload) {
+    gst_buffer_fill (buf, 0, input->payload + offset, length);
+  } else {
+    GstMapInfo info;
+    guint pattern;
+
+    pattern = offset - offset % sizeof (pattern);
+
+    gst_buffer_map (buf, &info, GST_MAP_WRITE);
+    for (guint64 i = 0; i < length; ++i) {
+      gchar pattern_byte_to_write = (offset + i) % sizeof (pattern);
+      if (pattern_byte_to_write == 0) {
+        pattern = offset + i;
+      }
+      info.data[i] = (pattern >> (pattern_byte_to_write * 8)) & 0xFF;
+    }
+    gst_buffer_unmap (buf, &info);
+  }
+  *retbuf = buf;
+  return GST_FLOW_OK;
+}
+
+/******************** Test specific code starts here **************************/
+
+/*
+ * Test an mpd with an audio and a video stream
+ *
+ */
+GST_START_TEST (simpleTest)
+{
+  const gchar *mpd =
+      "<?xml version=\"1.0\" encoding=\"utf-8\"?>"
+      "<SmoothStreamingMedia MajorVersion=\"2\" MinorVersion=\"0\" Duration=\"40000000\">"
+      "<StreamIndex Type=\"video\" QualityLevels=\"1\" Chunks=\"1\" Url=\"QualityLevels({bitrate})/Fragments(video={start time})\">"
+      "<QualityLevel Index=\"0\" Bitrate=\"480111\" FourCC=\"H264\" MaxWidth=\"1024\" MaxHeight=\"436\" CodecPrivateData=\"000\" />"
+      "<c n=\"0\" d=\"10000000\" />"
+      "<c n=\"1\" d=\"10000000\" />"
+      "<c n=\"2\" d=\"10000000\" />"
+      "<c n=\"3\" d=\"10000000\" />"
+      "</StreamIndex>"
+      "<StreamIndex Type=\"audio\" Language=\"eng\" QualityLevels=\"1\" Chunks=\"1\" Url=\"QualityLevels({bitrate})/Fragments(audio_eng={start time})\">"
+      "<QualityLevel Index=\"0\" Bitrate=\"200029\" FourCC=\"AACL\" SamplingRate=\"48000\" Channels=\"2\" BitsPerSample=\"16\" PacketSize=\"4\" AudioTag=\"255\" CodecPrivateData=\"1190\" />"
+      "<c n=\"0\" d=\"40000000\" />" "</StreamIndex>" "</SmoothStreamingMedia>";
+
+  GstMssDemuxTestInputData inputTestData[] = {
+    {"http://unit.test/Manifest", (guint8 *) mpd, 0},
+    {"http://unit.test/QualityLevels(480111)/Fragments(video=0)", NULL, 9000},
+    {"http://unit.test/QualityLevels(480111)/Fragments(video=10000000)", NULL,
+        9000},
+    {"http://unit.test/QualityLevels(480111)/Fragments(video=20000000)", NULL,
+        9000},
+    {"http://unit.test/QualityLevels(480111)/Fragments(video=30000000)", NULL,
+        9000},
+    {"http://unit.test/QualityLevels(200029)/Fragments(audio_eng=0)", NULL,
+        5000},
+    {NULL, NULL, 0},
+  };
+  GstTestHTTPSrcCallbacks http_src_callbacks = { 0 };
+  GstAdaptiveDemuxTestExpectedOutput outputTestData[] = {
+    {"audio_00", 5000, NULL},
+    {"video_00", 4 * 9000, NULL}
+  };
+  GstAdaptiveDemuxTestCallbacks test_callbacks = { 0 };
+  GstAdaptiveDemuxTestCase *testData;
+
+  testData = gst_adaptive_demux_test_case_new ();
+  http_src_callbacks.src_start = gst_mssdemux_http_src_start;
+  http_src_callbacks.src_create = gst_mssdemux_http_src_create;
+  gst_test_http_src_install_callbacks (&http_src_callbacks, inputTestData);
+
+  COPY_OUTPUT_TEST_DATA (outputTestData, testData);
+  test_callbacks.appsink_received_data =
+      gst_adaptive_demux_test_check_received_data;
+  test_callbacks.appsink_eos =
+      gst_adaptive_demux_test_check_size_of_received_data;
+
+  gst_adaptive_demux_test_run (DEMUX_ELEMENT_NAME, "http://unit.test/Manifest",
+      &test_callbacks, testData);
+  g_object_unref (testData);
+}
+
+GST_END_TEST;
+
+/*
+ * Test seeking
+ *
+ */
+GST_START_TEST (testSeek)
+{
+  const gchar *mpd =
+      "<?xml version=\"1.0\" encoding=\"utf-8\"?>"
+      "<SmoothStreamingMedia MajorVersion=\"2\" MinorVersion=\"0\" Duration=\"40000000\">"
+      "<StreamIndex Type=\"audio\" Language=\"eng\" QualityLevels=\"1\" Chunks=\"1\" Url=\"QualityLevels({bitrate})/Fragments(audio_eng={start time})\">"
+      "<QualityLevel Index=\"0\" Bitrate=\"200029\" FourCC=\"AACL\" SamplingRate=\"48000\" Channels=\"2\" BitsPerSample=\"16\" PacketSize=\"4\" AudioTag=\"255\" CodecPrivateData=\"1190\" />"
+      "<c n=\"0\" d=\"450346666\" />"
+      "</StreamIndex>" "</SmoothStreamingMedia>";
+  GstMssDemuxTestInputData inputTestData[] = {
+    {"http://unit.test/Manifest", (guint8 *) mpd, 0},
+    {"http://unit.test/QualityLevels(200029)/Fragments(audio_eng=0)", NULL,
+        10000},
+    {NULL, NULL, 0},
+  };
+  GstTestHTTPSrcCallbacks http_src_callbacks = { 0 };
+  GstAdaptiveDemuxTestExpectedOutput outputTestData[] = {
+    {"audio_00", 10000, NULL},
+  };
+  GstAdaptiveDemuxTestCase *testData;
+
+  testData = gst_adaptive_demux_test_case_new ();
+
+  http_src_callbacks.src_start = gst_mssdemux_http_src_start;
+  http_src_callbacks.src_create = gst_mssdemux_http_src_create;
+  COPY_OUTPUT_TEST_DATA (outputTestData, testData);
+
+  /* media segment starts at 4687
+   * Issue a seek request after media segment has started to be downloaded
+   * on the first pad listed in GstAdaptiveDemuxTestOutputStreamData and the
+   * first chunk of at least one byte has already arrived in AppSink
+   */
+  testData->threshold_for_seek = 4687 + 1;
+
+  /* seek to 5ms.
+   * Because there is only one fragment, we expect the whole file to be
+   * downloaded again
+   */
+  testData->seek_event =
+      gst_event_new_seek (1.0, GST_FORMAT_TIME,
+      GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_KEY_UNIT, GST_SEEK_TYPE_SET,
+      5 * GST_MSECOND, GST_SEEK_TYPE_NONE, 0);
+
+  gst_test_http_src_install_callbacks (&http_src_callbacks, inputTestData);
+  gst_adaptive_demux_test_seek (DEMUX_ELEMENT_NAME,
+      "http://unit.test/Manifest", testData);
+  gst_object_unref (testData);
+}
+
+GST_END_TEST;
+
+
+static void
+run_seek_position_test (gdouble rate, GstSeekType start_type,
+    guint64 seek_start, GstSeekType stop_type, guint64 seek_stop,
+    GstSeekFlags flags, guint64 segment_start, guint64 segment_stop,
+    gint segments)
+{
+  const gchar *mpd =
+      "<?xml version=\"1.0\" encoding=\"utf-8\"?>"
+      "<SmoothStreamingMedia MajorVersion=\"2\" MinorVersion=\"0\" Duration=\"40000000\">"
+      "<StreamIndex Type=\"audio\" Language=\"eng\" QualityLevels=\"1\" Chunks=\"1\" Url=\"QualityLevels({bitrate})/Fragments(audio_eng={start time})\">"
+      "<QualityLevel Index=\"0\" Bitrate=\"200029\" FourCC=\"AACL\" SamplingRate=\"48000\" Channels=\"2\" BitsPerSample=\"16\" PacketSize=\"4\" AudioTag=\"255\" CodecPrivateData=\"1190\" />"
+      "<c n=\"0\" d=\"10000000\" />"
+      "<c n=\"1\" d=\"10000000\" />"
+      "<c n=\"2\" d=\"10000000\" />"
+      "<c n=\"3\" d=\"10000000\" />" "</StreamIndex>" "</SmoothStreamingMedia>";
+  GstMssDemuxTestInputData inputTestData[] = {
+    {"http://unit.test/Manifest", (guint8 *) mpd, 0},
+    {"http://unit.test/QualityLevels(200029)/Fragments(audio_eng=0)", NULL,
+        10000},
+    {"http://unit.test/QualityLevels(200029)/Fragments(audio_eng=10000000)",
+        NULL, 10000},
+    {"http://unit.test/QualityLevels(200029)/Fragments(audio_eng=20000000)",
+        NULL, 10000},
+    {"http://unit.test/QualityLevels(200029)/Fragments(audio_eng=30000000)",
+        NULL, 10000},
+    {NULL, NULL, 0},
+  };
+  GstTestHTTPSrcCallbacks http_src_callbacks = { 0 };
+  GstAdaptiveDemuxTestExpectedOutput outputTestData[] = {
+    /* 1 from the init segment */
+    {"audio_00", segments * 10000, NULL},
+  };
+  GstAdaptiveDemuxTestCase *testData;
+
+  testData = gst_adaptive_demux_test_case_new ();
+
+  http_src_callbacks.src_start = gst_mssdemux_http_src_start;
+  http_src_callbacks.src_create = gst_mssdemux_http_src_create;
+  COPY_OUTPUT_TEST_DATA (outputTestData, testData);
+
+  /* media segment starts at 4687
+   * Issue a seek request after media segment has started to be downloaded
+   * on the first pad listed in GstAdaptiveDemuxTestOutputStreamData and the
+   * first chunk of at least one byte has already arrived in AppSink
+   */
+  testData->threshold_for_seek = 4687 + 1;
+
+  /* FIXME hack to avoid having a 0 seqnum */
+  gst_util_seqnum_next ();
+
+  /* seek to 5ms.
+   * Because there is only one fragment, we expect the whole file to be
+   * downloaded again
+   */
+  testData->seek_event =
+      gst_event_new_seek (rate, GST_FORMAT_TIME, flags, start_type,
+      seek_start, stop_type, seek_stop);
+
+  gst_test_http_src_install_callbacks (&http_src_callbacks, inputTestData);
+  gst_adaptive_demux_test_seek (DEMUX_ELEMENT_NAME,
+      "http://unit.test/Manifest", testData);
+  gst_object_unref (testData);
+}
+
+GST_START_TEST (testSeekKeyUnitPosition)
+{
+  /* Seek to 1.5s with key unit, it should go back to 1.0s. 3 segments will be
+   * pushed */
+  run_seek_position_test (1.0, GST_SEEK_TYPE_SET, 1500 * GST_MSECOND,
+      GST_SEEK_TYPE_NONE, 0, GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_KEY_UNIT,
+      1000 * GST_MSECOND, -1, 3);
+}
+
+GST_END_TEST;
+
+
+GST_START_TEST (testSeekUpdateStopPosition)
+{
+  run_seek_position_test (1.0, GST_SEEK_TYPE_NONE, 1500 * GST_MSECOND,
+      GST_SEEK_TYPE_SET, 3000 * GST_MSECOND, 0, 0, 3000 * GST_MSECOND, 3);
+}
+
+GST_END_TEST;
+
+GST_START_TEST (testSeekPosition)
+{
+  /* Seek to 1.5s without key unit, it should keep the 1.5s, but still push
+   * from the 1st segment, so 3 segments will be
+   * pushed */
+  run_seek_position_test (1.0, GST_SEEK_TYPE_SET, 1500 * GST_MSECOND,
+      GST_SEEK_TYPE_NONE, 0, GST_SEEK_FLAG_FLUSH, 1500 * GST_MSECOND, -1, 3);
+}
+
+GST_END_TEST;
+
+GST_START_TEST (testSeekSnapBeforePosition)
+{
+  /* Seek to 1.5s, snap before, it go to 1s */
+  run_seek_position_test (1.0, GST_SEEK_TYPE_SET, 1500 * GST_MSECOND,
+      GST_SEEK_TYPE_NONE, 0, GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_SNAP_BEFORE,
+      1000 * GST_MSECOND, -1, 3);
+}
+
+GST_END_TEST;
+
+
+GST_START_TEST (testSeekSnapAfterPosition)
+{
+  /* Seek to 1.5s with snap after, it should move to 2s */
+  run_seek_position_test (1.0, GST_SEEK_TYPE_SET, 1500 * GST_MSECOND,
+      GST_SEEK_TYPE_NONE, 0, GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_SNAP_AFTER,
+      2000 * GST_MSECOND, -1, 2);
+}
+
+GST_END_TEST;
+
+
+GST_START_TEST (testReverseSeekSnapBeforePosition)
+{
+  run_seek_position_test (-1.0, GST_SEEK_TYPE_SET, 1000 * GST_MSECOND,
+      GST_SEEK_TYPE_SET, 2500 * GST_MSECOND,
+      GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_SNAP_BEFORE, 1000 * GST_MSECOND,
+      3000 * GST_MSECOND, 2);
+}
+
+GST_END_TEST;
+
+
+GST_START_TEST (testReverseSeekSnapAfterPosition)
+{
+  run_seek_position_test (-1.0, GST_SEEK_TYPE_SET, 1000 * GST_MSECOND,
+      GST_SEEK_TYPE_SET, 2500 * GST_MSECOND,
+      GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_SNAP_AFTER, 1000 * GST_MSECOND,
+      2000 * GST_MSECOND, 1);
+}
+
+GST_END_TEST;
+
+static void
+testDownloadErrorMessageCallback (GstAdaptiveDemuxTestEngine * engine,
+    GstMessage * msg, gpointer user_data)
+{
+  GError *err = NULL;
+  gchar *dbg_info = NULL;
+
+  fail_unless (GST_MESSAGE_TYPE (msg) == GST_MESSAGE_ERROR);
+  gst_message_parse_error (msg, &err, &dbg_info);
+  GST_DEBUG ("Error from element %s : %s\n",
+      GST_OBJECT_NAME (msg->src), err->message);
+  fail_unless_equals_string (GST_OBJECT_NAME (msg->src), DEMUX_ELEMENT_NAME);
+  /*GST_DEBUG ("dbg_info=%s\n", dbg_info); */
+  g_error_free (err);
+  g_free (dbg_info);
+  g_main_loop_quit (engine->loop);
+}
+
+/*
+ * Test error case of failing to download a segment
+ */
+GST_START_TEST (testDownloadError)
+{
+  const gchar *mpd =
+      "<?xml version=\"1.0\" encoding=\"utf-8\"?>"
+      "<SmoothStreamingMedia MajorVersion=\"2\" MinorVersion=\"0\" Duration=\"40000000\">"
+      "<StreamIndex Type=\"audio\" Language=\"eng\" QualityLevels=\"1\" Chunks=\"1\" Url=\"QualityLevels({bitrate})/Fragments(audio_eng={start time})\">"
+      "<QualityLevel Index=\"0\" Bitrate=\"200029\" FourCC=\"AACL\" SamplingRate=\"48000\" Channels=\"2\" BitsPerSample=\"16\" PacketSize=\"4\" AudioTag=\"255\" CodecPrivateData=\"1190\" />"
+      "<c n=\"0\" d=\"40000000\" />" "</StreamIndex>" "</SmoothStreamingMedia>";
+
+  GstMssDemuxTestInputData inputTestData[] = {
+    {"http://unit.test/Manifest", (guint8 *) mpd, 0},
+    {NULL, NULL, 0},
+  };
+  GstTestHTTPSrcCallbacks http_src_callbacks = { 0 };
+  GstAdaptiveDemuxTestExpectedOutput outputTestData[] = {
+    {"audio_00", 0, NULL},
+  };
+  GstAdaptiveDemuxTestCallbacks test_callbacks = { 0 };
+  GstAdaptiveDemuxTestCase *testData;
+
+  testData = gst_adaptive_demux_test_case_new ();
+  http_src_callbacks.src_start = gst_mssdemux_http_src_start;
+  http_src_callbacks.src_create = gst_mssdemux_http_src_create;
+  COPY_OUTPUT_TEST_DATA (outputTestData, testData);
+  test_callbacks.appsink_received_data =
+      gst_adaptive_demux_test_check_received_data;
+  test_callbacks.bus_error_message = testDownloadErrorMessageCallback;
+  test_callbacks.appsink_eos =
+      gst_adaptive_demux_test_check_size_of_received_data;
+
+  gst_test_http_src_install_callbacks (&http_src_callbacks, inputTestData);
+  gst_adaptive_demux_test_run (DEMUX_ELEMENT_NAME, "http://unit.test/Manifest",
+      &test_callbacks, testData);
+  gst_object_unref (testData);
+}
+
+GST_END_TEST;
+
+/* generate queries to adaptive demux */
+static gboolean
+testQueryCheckDataReceived (GstAdaptiveDemuxTestEngine * engine,
+    GstAdaptiveDemuxTestOutputStream * stream,
+    GstBuffer * buffer, gpointer user_data)
+{
+  GList *pads;
+  GstPad *pad;
+  GstQuery *query;
+  gboolean ret;
+  gint64 duration;
+  gboolean seekable;
+  gint64 segment_start;
+  gint64 segment_end;
+  gchar *uri;
+  gchar *redirect_uri;
+  gboolean redirect_permanent;
+
+  pads = GST_ELEMENT_PADS (stream->appsink);
+
+  /* AppSink should have only 1 pad */
+  fail_unless (pads != NULL);
+  fail_unless (g_list_length (pads) == 1);
+  pad = GST_PAD (pads->data);
+
+  query = gst_query_new_duration (GST_FORMAT_TIME);
+  ret = gst_pad_peer_query (pad, query);
+  fail_unless (ret == TRUE);
+  gst_query_parse_duration (query, NULL, &duration);
+  fail_unless (duration == GST_SECOND);
+  gst_query_unref (query);
+
+  query = gst_query_new_seeking (GST_FORMAT_TIME);
+  ret = gst_pad_peer_query (pad, query);
+  fail_unless (ret == TRUE);
+  gst_query_parse_seeking (query, NULL, &seekable, &segment_start,
+      &segment_end);
+  fail_unless (seekable == TRUE);
+  fail_unless (segment_start == 0);
+  fail_unless (segment_end == duration);
+  gst_query_unref (query);
+
+  query = gst_query_new_uri ();
+  ret = gst_pad_peer_query (pad, query);
+  fail_unless (ret == TRUE);
+  gst_query_parse_uri (query, &uri);
+  gst_query_parse_uri_redirection (query, &redirect_uri);
+  gst_query_parse_uri_redirection_permanent (query, &redirect_permanent);
+  fail_unless (strcmp (uri, "http://unit.test/Manifest") == 0);
+  /* adaptive demux does not reply with redirect information */
+  fail_unless (redirect_uri == NULL);
+  fail_unless (redirect_permanent == FALSE);
+  g_free (uri);
+  g_free (redirect_uri);
+  gst_query_unref (query);
+
+  return gst_adaptive_demux_test_check_received_data (engine,
+      stream, buffer, user_data);
+}
+
+/*
+ * Test queries
+ *
+ */
+GST_START_TEST (testQuery)
+{
+  const gchar *mpd =
+      "<?xml version=\"1.0\" encoding=\"utf-8\"?>"
+      "<SmoothStreamingMedia MajorVersion=\"2\" MinorVersion=\"0\" Duration=\"10000000\">"
+      "<StreamIndex Type=\"audio\" Language=\"eng\" QualityLevels=\"1\" Chunks=\"1\" Url=\"QualityLevels({bitrate})/Fragments(audio_eng={start time})\">"
+      "<QualityLevel Index=\"0\" Bitrate=\"200029\" FourCC=\"AACL\" SamplingRate=\"48000\" Channels=\"2\" BitsPerSample=\"16\" PacketSize=\"4\" AudioTag=\"255\" CodecPrivateData=\"1190\" />"
+      "<c n=\"0\" d=\"10000000\" />" "</StreamIndex>" "</SmoothStreamingMedia>";
+  GstMssDemuxTestInputData inputTestData[] = {
+    {"http://unit.test/Manifest", (guint8 *) mpd, 0},
+    {"http://unit.test/QualityLevels(200029)/Fragments(audio_eng=0)", NULL,
+        5000},
+    {NULL, NULL, 0},
+  };
+  GstTestHTTPSrcCallbacks http_src_callbacks = { 0 };
+  GstAdaptiveDemuxTestExpectedOutput outputTestData[] = {
+    {"audio_00", 5000, NULL},
+  };
+  GstAdaptiveDemuxTestCallbacks test_callbacks = { 0 };
+  GstAdaptiveDemuxTestCase *testData;
+
+  testData = gst_adaptive_demux_test_case_new ();
+  http_src_callbacks.src_start = gst_mssdemux_http_src_start;
+  http_src_callbacks.src_create = gst_mssdemux_http_src_create;
+  COPY_OUTPUT_TEST_DATA (outputTestData, testData);
+  test_callbacks.appsink_received_data = testQueryCheckDataReceived;
+  test_callbacks.appsink_eos =
+      gst_adaptive_demux_test_check_size_of_received_data;
+
+  gst_test_http_src_install_callbacks (&http_src_callbacks, inputTestData);
+  gst_adaptive_demux_test_run (DEMUX_ELEMENT_NAME,
+      "http://unit.test/Manifest", &test_callbacks, testData);
+  gst_object_unref (testData);
+}
+
+GST_END_TEST;
+
+static GstFlowReturn
+test_fragment_download_error_src_create (GstTestHTTPSrc * src,
+    guint64 offset,
+    guint length, GstBuffer ** retbuf, gpointer context, gpointer user_data)
+{
+  const GstMssDemuxTestInputData *input =
+      (const GstMssDemuxTestInputData *) context;
+  fail_unless (input != NULL);
+  if (!g_str_has_suffix (input->uri, ".mpd") && offset > 2000) {
+    GST_DEBUG ("network_error %s %" G_GUINT64_FORMAT " @ %d",
+        input->uri, offset, 2000);
+    GST_ELEMENT_ERROR (src, RESOURCE, READ,
+        (("A network error occurred, or the server closed the connection unexpectedly.")), ("A network error occurred, or the server closed the connection unexpectedly."));
+    return GST_FLOW_ERROR;
+  }
+  return gst_mssdemux_http_src_create (src, offset, length, retbuf, context,
+      user_data);
+}
+
+/* function to check total size of data received by AppSink
+ * will be called when AppSink receives eos.
+ */
+static void
+testFragmentDownloadErrorCheckSizeOfDataReceived (GstAdaptiveDemuxTestEngine *
+    engine, GstAdaptiveDemuxTestOutputStream * stream, gpointer user_data)
+{
+  GstAdaptiveDemuxTestCase *testData = GST_ADAPTIVE_DEMUX_TEST_CASE (user_data);
+  GstAdaptiveDemuxTestExpectedOutput *testOutputStreamData;
+
+  testOutputStreamData =
+      gst_adaptive_demux_test_find_test_data_by_stream (testData, stream, NULL);
+  fail_unless (testOutputStreamData != NULL);
+
+  /* expect to receive more than 0 */
+  fail_unless (stream->total_received_size > 0,
+      "size validation failed for %s, expected > 0, received %d",
+      testOutputStreamData->name, stream->total_received_size);
+
+  /* expect to receive less than file size */
+  fail_unless (stream->total_received_size <
+      testOutputStreamData->expected_size,
+      "size validation failed for %s, expected < %d received %d",
+      testOutputStreamData->name, testOutputStreamData->expected_size,
+      stream->total_received_size);
+}
+
+/*
+ * Test fragment download error
+ * Let the adaptive demux download a few bytes, then instruct the
+ * GstTestHTTPSrc element to generate an error.
+ */
+GST_START_TEST (testFragmentDownloadError)
+{
+  const gchar *mpd =
+      "<?xml version=\"1.0\" encoding=\"utf-8\"?>"
+      "<SmoothStreamingMedia MajorVersion=\"2\" MinorVersion=\"0\" Duration=\"4000000\">"
+      "<StreamIndex Type=\"audio\" Language=\"eng\" QualityLevels=\"1\" Chunks=\"1\" Url=\"QualityLevels({bitrate})/Fragments(audio_eng={start time})\">"
+      "<QualityLevel Index=\"0\" Bitrate=\"200029\" FourCC=\"AACL\" SamplingRate=\"48000\" Channels=\"2\" BitsPerSample=\"16\" PacketSize=\"4\" AudioTag=\"255\" CodecPrivateData=\"1190\" />"
+      "<c n=\"0\" d=\"10000000\" />" "</StreamIndex>" "</SmoothStreamingMedia>";
+
+  GstMssDemuxTestInputData inputTestData[] = {
+    {"http://unit.test/Manifest", (guint8 *) mpd, 0},
+    {"http://unit.test/QualityLevels(200029)/Fragments(audio_eng=0)", NULL,
+        5000},
+    {NULL, NULL, 0},
+  };
+  GstTestHTTPSrcCallbacks http_src_callbacks = { 0 };
+  GstAdaptiveDemuxTestExpectedOutput outputTestData[] = {
+    {"audio_00", 5000, NULL},
+  };
+  GstAdaptiveDemuxTestCallbacks test_callbacks = { 0 };
+  GstAdaptiveDemuxTestCase *testData;
+
+  testData = gst_adaptive_demux_test_case_new ();
+  http_src_callbacks.src_start = gst_mssdemux_http_src_start;
+  http_src_callbacks.src_create = test_fragment_download_error_src_create;
+  COPY_OUTPUT_TEST_DATA (outputTestData, testData);
+  test_callbacks.appsink_received_data =
+      gst_adaptive_demux_test_check_received_data;
+  test_callbacks.appsink_eos = testFragmentDownloadErrorCheckSizeOfDataReceived;
+  /*  test_callbacks.demux_sent_eos = gst_adaptive_demux_test_check_size_of_received_data; */
+
+  test_callbacks.bus_error_message = testDownloadErrorMessageCallback;
+
+  gst_test_http_src_install_callbacks (&http_src_callbacks, inputTestData);
+  gst_adaptive_demux_test_run (DEMUX_ELEMENT_NAME,
+      "http://unit.test/Manifest", &test_callbacks, testData);
+  gst_object_unref (testData);
+}
+
+GST_END_TEST;
+
+static Suite *
+mss_demux_suite (void)
+{
+  Suite *s = suite_create ("mss_demux");
+  TCase *tc_basicTest = tcase_create ("basicTest");
+
+  tcase_add_test (tc_basicTest, simpleTest);
+  tcase_add_test (tc_basicTest, testSeek);
+  tcase_add_test (tc_basicTest, testSeekKeyUnitPosition);
+  tcase_add_test (tc_basicTest, testSeekPosition);
+  tcase_add_test (tc_basicTest, testSeekUpdateStopPosition);
+  tcase_add_test (tc_basicTest, testSeekSnapBeforePosition);
+  tcase_add_test (tc_basicTest, testSeekSnapAfterPosition);
+  tcase_add_test (tc_basicTest, testReverseSeekSnapBeforePosition);
+  tcase_add_test (tc_basicTest, testReverseSeekSnapAfterPosition);
+  tcase_add_test (tc_basicTest, testDownloadError);
+  tcase_add_test (tc_basicTest, testFragmentDownloadError);
+  tcase_add_test (tc_basicTest, testQuery);
+
+  tcase_add_unchecked_fixture (tc_basicTest, gst_adaptive_demux_test_setup,
+      gst_adaptive_demux_test_teardown);
+
+  suite_add_tcase (s, tc_basicTest);
+
+  return s;
+}
+
+GST_CHECK_MAIN (mss_demux);