[tracker/wip/carlosg/tracker-3.0-api-breaks: 42/92] tests: Make test-bus-query-cancellation use in-process endpoint

[Carlos Garnacho <carlosg src gnome org>]

commit 15138e460af7b54f7cd0476967687716a2833836
Author: Carlos Garnacho <carlosg gnome org>
Date:   Sat Dec 28 02:10:09 2019 +0100

    tests: Make test-bus-query-cancellation use in-process endpoint
    
    Create a local connection and endpoint in another thread, and use it
    from the main thread through a bus connection.

 .../ipc/test-bus-query-cancellation.c              | 73 +++++++++++++++++++++-
 1 file changed, 71 insertions(+), 2 deletions(-)
---
diff --git a/tests/functional-tests/ipc/test-bus-query-cancellation.c 
b/tests/functional-tests/ipc/test-bus-query-cancellation.c
index 916b37481..44388b88d 100644
--- a/tests/functional-tests/ipc/test-bus-query-cancellation.c
+++ b/tests/functional-tests/ipc/test-bus-query-cancellation.c
@@ -26,6 +26,76 @@
 #define MAX_TRIES 100
 
 static int counter = 0;
+static gboolean started = FALSE;
+
+TrackerSparqlConnection *
+create_local_connection (GError **error)
+{
+        TrackerSparqlConnection *conn;
+        GFile *store, *ontology;
+        gchar *path;
+
+        path = g_build_filename (g_get_tmp_dir (), "libtracker-sparql-test-XXXXXX", NULL);
+        g_mkdtemp_full (path, 0700);
+        store = g_file_new_for_path (path);
+        g_free (path);
+
+        ontology = g_file_new_for_path (TEST_ONTOLOGIES_DIR);
+
+        conn = tracker_sparql_connection_new (0, store, ontology, NULL, error);
+        g_object_unref (store);
+        g_object_unref (ontology);
+
+        return conn;
+}
+
+static gpointer
+thread_func (gpointer user_data)
+{
+       GDBusConnection *dbus_conn = user_data;
+       TrackerSparqlConnection *direct;
+       TrackerEndpointDBus *endpoint;
+       GMainContext *context;
+       GMainLoop *main_loop;
+
+       context = g_main_context_new ();
+       g_main_context_push_thread_default (context);
+
+       main_loop = g_main_loop_new (context, FALSE);
+
+       direct = create_local_connection (NULL);
+       if (!direct)
+               return NULL;
+
+       endpoint = tracker_endpoint_dbus_new (direct, dbus_conn, NULL, NULL, NULL);
+       if (!endpoint)
+               return NULL;
+
+       started = TRUE;
+       g_main_loop_run (main_loop);
+
+       return NULL;
+}
+
+static TrackerSparqlConnection *
+create_dbus_connection (GError **error)
+{
+       TrackerSparqlConnection *dbus;
+       GDBusConnection *dbus_conn;
+
+       dbus_conn = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, error);
+       if (!dbus_conn)
+               return NULL;
+
+       g_thread_new (NULL, thread_func, dbus_conn);
+
+       while (!started)
+               g_usleep (100);
+
+       dbus = tracker_sparql_connection_bus_new (g_dbus_connection_get_unique_name (dbus_conn),
+                                                 dbus_conn, error);
+       return dbus;
+}
 
 static void
 query_cb (GObject *source_object, GAsyncResult *res, gpointer user_data)
@@ -75,8 +145,7 @@ test_tracker_sparql_gb737023 (void)
        g_test_bug_base ("https://bugzilla.gnome.org/show_bug.cgi?id=";);
        g_test_bug ("737023");
 
-       g_setenv ("TRACKER_SPARQL_BACKEND", "bus", TRUE);
-       conn = tracker_sparql_connection_get (NULL, &error);
+       conn = create_dbus_connection (&error);
         g_assert_no_error (error);
 
        loop = g_main_loop_new (NULL, FALSE);