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[tracker/sam/functional-test-fixes: 12/12] WIP

commit 8383d0b927661e44e7d51d43622504a0bacfd293
Author: Sam Thursfield <sam afuera me uk>
Date:   Wed Jul 30 10:23:33 2014 +0200

    WIP

 src/libtracker-miner/tracker-miner-fs.c            |   20 +++++++++++++++-----
 src/libtracker-miner/tracker-monitor.c             |   13 +++++++++++++
 src/miners/fs/tracker-main.c                       |    2 +-
 src/miners/fs/tracker-writeback-dispatcher.c       |    4 ++--
 src/miners/fs/tracker-writeback-listener.c         |    2 ++
 tests/functional-tests/500-writeback.py            |   12 ++++++------
 tests/functional-tests/common/utils/helpers.py     |    3 +++
 .../functional-tests/common/utils/writebacktest.py |   12 +++++++++++-
 tests/functional-tests/test-runner.sh              |    2 +-
 9 files changed, 54 insertions(+), 16 deletions(-)
---
diff --git a/src/libtracker-miner/tracker-miner-fs.c b/src/libtracker-miner/tracker-miner-fs.c
index 6da1eca..99a93ed 100644
--- a/src/libtracker-miner/tracker-miner-fs.c
+++ b/src/libtracker-miner/tracker-miner-fs.c
@@ -45,6 +45,9 @@
 #warning Tree debugging traces enabled
 #endif /* CRAWLED_TREE_ENABLE_TRACE */
 
+
+#define EVENT_QUEUE_ENABLE_TRACE
+
 /* If defined will print push/pop actions on queues */
 #ifdef EVENT_QUEUE_ENABLE_TRACE
 #warning Event Queue traces enabled
@@ -2121,7 +2124,9 @@ item_queue_get_next_file (TrackerMinerFS  *fs,
        /* Writeback items first */
        wdata = tracker_priority_queue_pop (fs->priv->items_writeback,
                                            &priority);
-       g_warning ("WRITEBACK: Popped %p from writeback queue (file %s)", wdata, g_file_get_uri(wdata->file));
+       g_warning ("WRITEBACK: Popped %p from writeback queue (file %s)",
+                  wdata,
+                  wdata==NULL ? "none" : g_file_get_uri(wdata->file));
        if (wdata) {
                gboolean processing;
 
@@ -2733,12 +2738,16 @@ remove_writeback_task (TrackerMinerFS *fs,
 
        task = tracker_task_pool_find (fs->priv->writeback_pool, file);
 
+       g_warning ("Remove writeback task for %p", task);
+
        if (!task) {
                return FALSE;
        }
 
        data = tracker_task_get_data (task);
 
+       g_warning ("Writeback file %s notified %i", g_file_get_uri(data->file), data->notified);
+
        if (data->notified) {
                tracker_task_pool_remove (fs->priv->writeback_pool, task);
                tracker_task_unref (task);
@@ -2869,7 +2878,8 @@ check_item_queues (TrackerMinerFS *fs,
                return TRUE;
        case QUEUE_DELETED:
                if (tracker_task_pool_find (fs->priv->writeback_pool, file)) {
-                       /* Cancel writeback operations on a deleted file */
+                       g_debug ("  File %s was deleted, cancelling writeback operation on deleted file %s",
+                                g_file_get_uri(file));
                        cancel_writeback_task (fs, file);
                }
 
@@ -2895,9 +2905,8 @@ check_item_queues (TrackerMinerFS *fs,
                return TRUE;
        case QUEUE_MOVED:
                if (tracker_task_pool_find (fs->priv->writeback_pool, file)) {
-                       /* If the origin file is also being written back,
-                        * cancel it as this is an external operation.
-                        */
+                       g_debug ("  File %s was moved, cancelling writeback operation",
+                                g_file_get_uri(file));
                        cancel_writeback_task (fs, file);
                }
 
@@ -2999,6 +3008,7 @@ file_notifier_file_updated (TrackerFileNotifier  *notifier,
         */
        if (!attributes_only &&
            remove_writeback_task (fs, file)) {
+               g_debug ("file_updated: ignoring %s because it was in the writeback queue", 
g_file_get_uri(file));
                item_queue_handlers_set_up (fs);
                return;
        }
diff --git a/src/libtracker-miner/tracker-monitor.c b/src/libtracker-miner/tracker-monitor.c
index 96d9aa8..bfb8883 100644
--- a/src/libtracker-miner/tracker-monitor.c
+++ b/src/libtracker-miner/tracker-monitor.c
@@ -17,6 +17,19 @@
  * Boston, MA  02110-1301, USA.
  */
 
+/*
+Here's a rough overview of how TrackerMonitor works!
+
+TrackerMonitor extends the GFileMonitor object provided by GIO. File monitoring is implemented differently 
for each platform, and GIO abstracts several of these. The events it outputs are quite low-level and some 
work needs to be done in order to achieve simple, accurate signals.
+
+A TrackerMonitor object is 
+This is what TrackerMonitor provides.
+
+Notes:
+
+- I should make a plantUML diagram
+*/
+
 #include "config.h"
 
 #include <stdlib.h>
diff --git a/src/miners/fs/tracker-main.c b/src/miners/fs/tracker-main.c
index f428b5d..23e492f 100644
--- a/src/miners/fs/tracker-main.c
+++ b/src/miners/fs/tracker-main.c
@@ -102,7 +102,7 @@ static void
 sanity_check_option_values (TrackerConfig *config)
 {
        g_message ("General options:");
-       g_message ("  Verbosity  ............................  %d",
+       g_warning ("  Verbosity  ............................  %d",
                   tracker_config_get_verbosity (config));
        g_message ("  Sched Idle  ...........................  %d",
                   tracker_config_get_sched_idle (config));
diff --git a/src/miners/fs/tracker-writeback-dispatcher.c b/src/miners/fs/tracker-writeback-dispatcher.c
index 9a875a6..77b6e47 100644
--- a/src/miners/fs/tracker-writeback-dispatcher.c
+++ b/src/miners/fs/tracker-writeback-dispatcher.c
@@ -271,7 +271,7 @@ retry_idle (gpointer user_data)
 {
        WritebackFileData *data = user_data;
 
-       g_warning ("retry_idle: running tracker_miner_fs_writeback_file(%s)", data->file);
+       g_warning ("retry_idle: running tracker_miner_fs_writeback_file(%s)", g_file_get_uri(data->file));
 
        tracker_miner_fs_writeback_file (data->fs,
                                         data->file,
@@ -306,7 +306,7 @@ writeback_file_finished  (GObject      *source_object,
                data->retries++;
 
        } else {
-               g_warning ("writeback_file_finished: tracker_miner_fs_writeback_notify(%s, error %s)", 
data->file, error->message);
+               g_warning ("writeback_file_finished: tracker_miner_fs_writeback_notify(%s, error %s)", 
g_file_get_uri(data->file), error ? error->message : "None");
                tracker_miner_fs_writeback_notify (data->fs, data->file, error);
                writeback_file_data_free (data);
        }
diff --git a/src/miners/fs/tracker-writeback-listener.c b/src/miners/fs/tracker-writeback-listener.c
index 2de1fca..b869bb6 100644
--- a/src/miners/fs/tracker-writeback-listener.c
+++ b/src/miners/fs/tracker-writeback-listener.c
@@ -150,6 +150,8 @@ writeback_listener_finalize (GObject *object)
 {
        TrackerWritebackListenerPrivate *priv = TRACKER_WRITEBACK_LISTENER_GET_PRIVATE (object);
 
+       g_warning ("!!!WRITEBACK_LISTENER_FINALIZE!!");
+
        if (priv->connection && priv->d_signal) {
                g_dbus_connection_signal_unsubscribe (priv->d_connection, priv->d_signal);
        }
diff --git a/tests/functional-tests/500-writeback.py b/tests/functional-tests/500-writeback.py
index 1b90cc8..2d6659a 100755
--- a/tests/functional-tests/500-writeback.py
+++ b/tests/functional-tests/500-writeback.py
@@ -80,10 +80,9 @@ class WritebackBasicDataTest (CommonTrackerWritebackTest):
         """ 
         self.__clean_property (prop, filename)
         self.tracker.update (SPARQL_TMPL % (prop, TEST_VALUE, filename))
-
         self.wait_for_file_change(filename_real, initial_mtime)
-        results = get_tracker_extract_output (filename, mimetype)
 
+        results = get_tracker_extract_output (filename, mimetype)
         keyDict = expectedKey or prop
         self.assertIn (TEST_VALUE, results[keyDict])
         self.__clean_property (prop, filename, False)
@@ -123,10 +122,11 @@ class WritebackBasicDataTest (CommonTrackerWritebackTest):
 
 
     # JPEG test
-#    def test_001_jpeg_title (self):
-#        #FILENAME = "test-writeback-monitored/writeback-test-1.jpeg"
-#        self.__writeback_test (self.get_test_filename_jpeg (), "image/jpeg", "nie:title")
-#
+    def test_001_jpeg_title (self):
+        #FILENAME = "test-writeback-monitored/writeback-test-1.jpeg"
+        self.__writeback_test (self.get_test_filename_jpeg (), "image/jpeg", "nie:title")
+
+
     def test_002_jpeg_description (self):
         #FILENAME = "test-writeback-monitored/writeback-test-1.jpeg"
         self.__writeback_test (self.get_test_filename_jpeg (), "image/jpeg", "nie:description")
diff --git a/tests/functional-tests/common/utils/helpers.py b/tests/functional-tests/common/utils/helpers.py
index 8279c6d..15bf18e 100644
--- a/tests/functional-tests/common/utils/helpers.py
+++ b/tests/functional-tests/common/utils/helpers.py
@@ -190,6 +190,9 @@ class Helper:
 
         self.abort_if_process_exits_with_status_0 = False
 
+        #raw_input ('%s process is %i; press ENTER to continue' %
+        #           (self.PROCESS_NAME, self.process.pid))
+
     def stop (self):
         if self.available:
             # It should step out of this loop when the miner disappear from the bus
diff --git a/tests/functional-tests/common/utils/writebacktest.py 
b/tests/functional-tests/common/utils/writebacktest.py
index ff7f7fa..e716395 100644
--- a/tests/functional-tests/common/utils/writebacktest.py
+++ b/tests/functional-tests/common/utils/writebacktest.py
@@ -79,6 +79,16 @@ class CommonTrackerWritebackTest (ut.TestCase):
 
         self.system.tracker_writeback_testing_start (CONF_OPTIONS)
 
+        def cb(*args):
+            print 'Received WRiteback signal, args' + str(args)
+        self.system.store.bus.add_signal_receiver (
+            cb, signal_name = 'Writeback', path = cfg.TRACKER_OBJ_PATH,
+            dbus_interface = cfg.RESOURCES_IFACE)
+
+        # FIXME: seems that if the miner-fs starts but crashes in this
+        # function no error is raised and the function carries on waiting
+        # for the resource until it gives up. Misleading!
+
         def await_resource_extraction(url):
             # Make sure a resource has been crawled by the FS miner and by
             # tracker-extract. The extractor adds nie:contentCreated for
@@ -92,7 +102,7 @@ class CommonTrackerWritebackTest (ut.TestCase):
 
         # Returns when ready
         log ("Ready to go!")
-        
+
     @classmethod
     def tearDownClass (self):
         #print "Stopping the daemon in test mode (Doing nothing now)"
diff --git a/tests/functional-tests/test-runner.sh b/tests/functional-tests/test-runner.sh
index 24c0e42..73d119c 100755
--- a/tests/functional-tests/test-runner.sh
+++ b/tests/functional-tests/test-runner.sh
@@ -36,4 +36,4 @@ else
     kill $DBUS_SESSION_BUS_PID
 fi ;
 
-rm -R $TEMP_DIR
+#rm -R $TEMP_DIR
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