tests: Add DBus server binary

This should facilitate DBus API testing.

tests/meson.build

@@ -1,7 +1,5 @@
 if get_option('tests')
 
-subdir('mock')
-
 test_env = [
   'G_DEBUG=gc-friendly,fatal-warnings',
   'GSETTINGS_BACKEND=memory',
@@ -23,6 +21,19 @@ test_link_args = [
   '-fPIC',
 ]
 
+dbus_service_conf = configuration_data()
+dbus_service_conf.set('CALLS_BUILD_DIR', '@0@'.format(builddir))
+dbus_service_conf.set('CALLS_BUILD_DIR_STR', '"@0@"'.format(builddir))
+dbus_service_conf.set('CALLS_DBUS_NAME', '"org.gnome.Calls"')
+dbus_service_conf.set('CALLS_DBUS_OBJECT_PATH', '"/org/gnome/Calls"')
+
+dbus_config_h = configure_file(output        : 'calls-dbus-config.h',
+                               configuration : dbus_service_conf)
+
+test_includes = include_directories('.')
+
+subdir('mock')
+subdir('services')
 
 test_sources = [ 'test-manager.c' ]
 

tests/services/calls-server.c

@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2023 Purism SPC
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ * Author: Evangelos Ribeiro Tzaras <devrtz@fortysixandtwo.eu>
+ *
+ */
+
+#include "calls-dbus-config.h"
+
+#include "calls-manager.h"
+#include "calls-dbus-manager.h"
+
+#include <glib-unix.h>
+
+
+static void
+on_bus_acquired (GDBusConnection *connection,
+                 const char      *name,
+                 gpointer         user_data)
+{
+  CallsDBusManager *manager = user_data;
+  g_autoptr (GError) error = NULL;
+
+  g_print ("Bus acquired: %s\n", name);
+
+  g_assert_true (calls_dbus_manager_register (manager, connection, CALLS_DBUS_OBJECT_PATH, &error));
+  g_assert_no_error (error);
+}
+
+
+static void
+on_name_acquired (GDBusConnection *connection,
+                  const char      *name,
+                  gpointer         user_data)
+{
+  g_print ("Name acquired: %s\n", name);
+}
+
+static void
+on_name_lost (GDBusConnection *connection,
+              const char      *name,
+              gpointer         user_data)
+{
+  g_print ("Name lost: %s\n", name);
+}
+
+
+int
+main (int argc, char *argv[])
+{
+  g_autoptr (CallsManager) manager = NULL;
+  CallsDBusManager *dbus_manager = NULL;
+  g_autoptr (GMainLoop) loop = g_main_loop_new (NULL, FALSE);
+  guint bus_id;
+
+  /* Setup environment */
+  g_setenv ("GSETTINGS_SCHEMA_DIR", CALLS_BUILD_DIR_STR "/data", TRUE);
+  g_setenv ("GSETTINGS_BACKEND", "memory", TRUE);
+  g_setenv ("CALLS_PLUGIN_DIR", CALLS_BUILD_DIR_STR "/plugins", TRUE);
+
+  g_print ("Starting up DBus service\n");
+
+  manager = calls_manager_get_default ();
+  dbus_manager = calls_dbus_manager_new ();
+  calls_manager_add_provider (manager, "dummy");
+
+  bus_id = g_bus_own_name (G_BUS_TYPE_SESSION,
+                           CALLS_DBUS_NAME,
+                           G_BUS_NAME_OWNER_FLAGS_NONE,
+                           on_bus_acquired,
+                           on_name_acquired,
+                           on_name_lost,
+                           dbus_manager,
+                           NULL);
+
+  g_main_loop_run (loop);
+
+  g_print ("Shutting down DBus service\n");
+
+  calls_manager_remove_provider (manager, "dummy");
+
+  /* The DBus manager unexports any objects it may still have.
+   * Do this before releasing the DBus name ownership */
+  g_assert_finalize_object (dbus_manager);
+
+  g_bus_unown_name (bus_id);
+
+  return 0;
+}

tests/services/meson.build

@@ -0,0 +1,20 @@
+t = executable('calls-dbus-server', 'calls-server.c',
+                 dbus_config_h,
+                 calls_sources,
+                 c_args : test_cflags,
+                 link_args: test_link_args,
+                 pie: true,
+                 link_with : [calls_vala, libcalls],
+                 dependencies: calls_deps,
+                 include_directories : [
+                   calls_includes,
+                   test_includes,
+                 ]
+                )
+
+service_file = 'org.gnome.Calls.service'
+
+service = configure_file (
+  input         : service_file + '.in',
+  output        : service_file,
+  configuration : dbus_service_conf)

tests/services/org.gnome.Calls.service.in

@@ -0,0 +1,3 @@
+[D-BUS Service]
+Name=org.gnome.Calls
+Exec=@CALLS_BUILD_DIR@/tests/services/calls-dbus-server