[glib] Adding test coverage for GTestDBus activating in-tree services.

[Matthias Clasen <matthiasc src gnome org>]

commit 32c925427785895ce156f4bb428082e1952d2407
Author: Tristan Van Berkom <tristan van berkom gmail com>
Date:   Thu Dec 20 15:34:22 2012 +0900

    Adding test coverage for GTestDBus activating in-tree services.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=690543

 configure.ac                                       |    2 +
 gio/tests/Makefile.am                              |    9 ++-
 gio/tests/gdbus-test-fixture.c                     |  121 ++++++++++++++++++++
 gio/tests/services/Makefile.am                     |    2 +
 ...org.gtk.GDBus.Examples.ObjectManager.service.in |    3 +
 5 files changed, 136 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 0304dad..ba5668a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3645,6 +3645,8 @@ gio/fam/Makefile
 gio/win32/Makefile
 gio/tests/Makefile
 gio/tests/gdbus-object-manager-example/Makefile
+gio/tests/services/Makefile
+gio/tests/services/org.gtk.GDBus.Examples.ObjectManager.service
 po/Makefile.in
 docs/Makefile
 docs/reference/Makefile
diff --git a/gio/tests/Makefile.am b/gio/tests/Makefile.am
index 5ef0825..df96bcc 100644
--- a/gio/tests/Makefile.am
+++ b/gio/tests/Makefile.am
@@ -13,7 +13,9 @@ INCLUDES = 			\
 	-I$(top_builddir)/gio	\
 	-I$(top_srcdir)/gio	\
 	$(DBUS1_CFLAGS)		\
-	-DSRCDIR=\""$(srcdir)"\"
+	-DSRCDIR=\""$(srcdir)"\" \
+	-DTEST_SERVICES=\""$(abs_top_builddir)/gio/tests/services"\"
+
 
 noinst_PROGRAMS = $(TEST_PROGS) $(SAMPLE_PROGS)
 noinst_DATA = $(MISC_STUFF)
@@ -142,6 +144,7 @@ SAMPLE_PROGS +=					\
 	gdbus-example-unix-fd-client 		\
 	gdbus-example-objectmanager-server 	\
 	gdbus-example-objectmanager-client 	\
+	gdbus-test-fixture			\
 	appinfo-test				\
 	$(NULL)
 endif
@@ -370,6 +373,10 @@ gdbus_peer_SOURCES = gdbus-peer.c gdbus-tests.h gdbus-tests.c
 gdbus_peer_CFLAGS  = -I$(top_builddir)/gio/tests/gdbus-object-manager-example
 gdbus_peer_LDADD   = $(top_builddir)/gio/tests/gdbus-object-manager-example/libgdbus-example-objectmanager.la $(LDADD)
 
+gdbus_test_fixture_SOURCES = gdbus-test-fixture.c
+gdbus_test_fixture_CFLAGS  = -I$(top_builddir)/gio/tests/gdbus-object-manager-example
+gdbus_test_fixture_LDADD   = $(top_builddir)/gio/tests/gdbus-object-manager-example/libgdbus-example-objectmanager.la $(LDADD)
+
 endif OS_UNIX
 
 # -----------------------------------------------------------------------------
diff --git a/gio/tests/gdbus-test-fixture.c b/gio/tests/gdbus-test-fixture.c
new file mode 100644
index 0000000..30d7857
--- /dev/null
+++ b/gio/tests/gdbus-test-fixture.c
@@ -0,0 +1,121 @@
+/* gdbus-test-fixture.c - Test covering activation of in-tree servers.
+ *
+ * Copyright (C) 2012 Intel Corporation
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) version 3.
+ *
+ * This program 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with the program; if not, see <http://www.gnu.org/licenses/>
+ *
+ * Authors: Tristan Van Berkom <tristanvb openismus com>
+ */
+
+#include <gio/gio.h>
+#include "gdbus-example-objectmanager-generated.h"
+
+typedef struct {
+  GTestDBus *dbus;
+  GDBusObjectManager *manager;
+} TestFixture;
+
+static void
+fixture_setup (TestFixture *fixture, gconstpointer unused)
+{
+  /* Create the global dbus-daemon for this test suite */
+  fixture->dbus = g_test_dbus_new (G_TEST_DBUS_NONE);
+
+  /* Add the private directory with our in-tree service files */
+  g_test_dbus_add_service_dir (fixture->dbus, TEST_SERVICES);
+
+  /* Start the private D-Bus daemon */
+  g_test_dbus_up (fixture->dbus);
+}
+
+static void
+fixture_teardown (TestFixture *fixture, gconstpointer unused)
+{
+  if (fixture->manager)
+    g_object_unref (fixture->manager);
+
+  /* Stop the private D-Bus daemon */
+  g_test_dbus_down (fixture->dbus);
+
+  g_object_unref (fixture->dbus);
+}
+
+/* The gdbus-example-objectmanager-server exports 10 objects,
+ * to test the server has actually activated, let's ensure
+ * that 10 objects exist.
+ */
+static void
+assert_ten_objects (GDBusObjectManager *manager)
+{
+  GList *objects;
+
+  objects = g_dbus_object_manager_get_objects (manager);
+
+  g_assert_cmpint (g_list_length (objects), ==, 10);
+  g_list_free_full (objects, g_object_unref);
+}
+
+static gboolean
+quit_loop (gconstpointer data)
+{
+  GMainLoop *loop = (GMainLoop *)data;
+
+  g_main_loop_quit (loop);
+  return FALSE;
+}
+
+static void
+test_gtest_dbus (TestFixture *fixture, gconstpointer unused)
+{
+
+  GError *error = NULL;
+
+  fixture->manager =
+    example_object_manager_client_new_for_bus_sync (G_BUS_TYPE_SESSION,
+                                                    G_DBUS_OBJECT_MANAGER_CLIENT_FLAGS_NONE,
+                                                    "org.gtk.GDBus.Examples.ObjectManager",
+                                                    "/example/Animals",
+                                                    NULL, /* GCancellable */
+                                                    &error);
+  if (fixture->manager == NULL)
+    g_error ("Error getting object manager client: %s", error->message);
+
+  assert_ten_objects (fixture->manager);
+}
+
+int
+main (int   argc,
+      char *argv[])
+{
+#if !GLIB_CHECK_VERSION (2, 35, 1)
+  g_type_init ();
+#endif
+  g_test_init (&argc, &argv, NULL);
+
+  /* Ensure that we can bring the GTestDBus up and down a hand full of times
+   * in a row, each time successfully activating the in-tree service
+   */
+  g_test_add ("/GTestDBus/Cycle1", TestFixture, NULL,
+  	      fixture_setup, test_gtest_dbus, fixture_teardown);
+  g_test_add ("/GTestDBus/Cycle2", TestFixture, NULL,
+  	      fixture_setup, test_gtest_dbus, fixture_teardown);
+  g_test_add ("/GTestDBus/Cycle3", TestFixture, NULL,
+  	      fixture_setup, test_gtest_dbus, fixture_teardown);
+  g_test_add ("/GTestDBus/Cycle4", TestFixture, NULL,
+  	      fixture_setup, test_gtest_dbus, fixture_teardown);
+  g_test_add ("/GTestDBus/Cycle5", TestFixture, NULL,
+  	      fixture_setup, test_gtest_dbus, fixture_teardown);
+  
+  return g_test_run ();
+}
diff --git a/gio/tests/services/Makefile.am b/gio/tests/services/Makefile.am
new file mode 100644
index 0000000..7ab7864
--- /dev/null
+++ b/gio/tests/services/Makefile.am
@@ -0,0 +1,2 @@
+EXTRA_DIST = \
+	org.gtk.GDBus.Examples.ObjectManager.service.in
diff --git a/gio/tests/services/org.gtk.GDBus.Examples.ObjectManager.service.in b/gio/tests/services/org.gtk.GDBus.Examples.ObjectManager.service.in
new file mode 100644
index 0000000..5820b1a
--- /dev/null
+++ b/gio/tests/services/org.gtk.GDBus.Examples.ObjectManager.service.in
@@ -0,0 +1,3 @@
+[D-BUS Service]
+Name=org.gtk.GDBus.Examples.ObjectManager
+Exec= abs_top_builddir@/gio/tests/gdbus-example-objectmanager-server