[evolution-data-server/openismus-phonenumber-work: 9/14] Prototype a D-Bus unit test harness.



commit 89bf19705bfa6b0810b5f376501bc15ad69f6278
Author: Matthew Barnes <mbarnes redhat com>
Date:   Fri Oct 26 16:30:20 2012 -0400

    Prototype a D-Bus unit test harness.
    
    Add functions for programmatically overriding XDG base directories
    and launching a private D-Bus session bus using GTestDBus.
    
    This requires Evolution-Data-Server to be installed, since the test
    harness references D-Bus service files by the installation prefix.

 tests/libedataserver/e-test-dbus-utils.c |  175 ++++++++++++++++++++++++++++++
 tests/libedataserver/e-test-dbus-utils.h |   33 ++++++
 2 files changed, 208 insertions(+), 0 deletions(-)
---
diff --git a/tests/libedataserver/e-test-dbus-utils.c b/tests/libedataserver/e-test-dbus-utils.c
new file mode 100644
index 0000000..605dd9c
--- /dev/null
+++ b/tests/libedataserver/e-test-dbus-utils.c
@@ -0,0 +1,175 @@
+/*
+ * e-test-dbus-utils.c
+ *
+ * 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/>
+ *
+ */
+
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "e-test-dbus-utils.h"
+
+#include <libedataserver/libedataserver.h>
+
+static GOnce base_directories_once = G_ONCE_INIT;
+
+static void
+test_setup_xdg_data_home (const gchar *base_directory)
+{
+	gchar *filename;
+
+	g_assert (base_directory != NULL);
+
+	filename = g_build_filename (base_directory, "share", NULL);
+
+	g_print ("XDG_DATA_HOME=%s\n", filename);
+	g_assert (g_setenv ("XDG_DATA_HOME", filename, TRUE));
+	g_assert_cmpstr (g_get_user_data_dir (), ==, filename);
+
+	g_free (filename);
+}
+
+static void
+test_setup_xdg_cache_home (const gchar *base_directory)
+{
+	gchar *filename;
+
+	g_assert (base_directory != NULL);
+
+	filename = g_build_filename (base_directory, "cache", NULL);
+
+	g_print ("XDG_CACHE_HOME=%s\n", filename);
+	g_assert (g_setenv ("XDG_CACHE_HOME", filename, TRUE));
+	g_assert_cmpstr (g_get_user_cache_dir (), ==, filename);
+
+	g_free (filename);
+}
+
+static void
+test_setup_xdg_config_home (const gchar *base_directory)
+{
+	gchar *filename;
+
+	g_assert (base_directory != NULL);
+
+	filename = g_build_filename (base_directory, "config", NULL);
+
+	g_print ("XDG_CONFIG_HOME=%s\n", filename);
+	g_assert (g_setenv ("XDG_CONFIG_HOME", filename, TRUE));
+	g_assert_cmpstr (g_get_user_config_dir (), ==, filename);
+
+	g_free (filename);
+}
+
+static gpointer
+test_setup_base_directories_once (gpointer unused)
+{
+	gchar *base_directory;
+
+	/* Do not invoke g_get_user_cache_dir() here because that will
+	 * permanently set the cache directory result and we won't be
+	 * able to override it with an environment variable. */
+	base_directory = g_build_filename (
+		g_get_home_dir (),
+		".cache", "evolution",
+		"tmp", "test-home-XXXXXX", NULL);
+
+	mkdtemp (base_directory);
+
+	test_setup_xdg_data_home (base_directory);
+	test_setup_xdg_cache_home (base_directory);
+	test_setup_xdg_config_home (base_directory);
+
+	return base_directory;
+}
+
+const gchar *
+e_test_setup_base_directories (void)
+{
+	g_once (
+		&base_directories_once,
+		test_setup_base_directories_once, NULL);
+
+	return base_directories_once.retval;
+}
+
+gboolean
+e_test_clean_base_directories (GError **error)
+{
+	GFile *file;
+	gboolean success = TRUE;
+	const gchar *user_data_dir;
+	const gchar *user_cache_dir;
+	const gchar *user_config_dir;
+
+	e_test_setup_base_directories ();
+
+	user_data_dir = g_get_user_data_dir ();
+	g_assert (strstr (user_data_dir, "test-home") != NULL);
+
+	user_cache_dir = g_get_user_cache_dir ();
+	g_assert (strstr (user_cache_dir, "test-home") != NULL);
+
+	user_config_dir = g_get_user_config_dir ();
+	g_assert (strstr (user_config_dir, "test-home") != NULL);
+
+	if (success) {
+		file = g_file_new_for_path (user_data_dir);
+		success = e_file_recursive_delete_sync (file, NULL, error);
+		g_object_unref (file);
+	}
+
+	if (success) {
+		file = g_file_new_for_path (user_cache_dir);
+		success = e_file_recursive_delete_sync (file, NULL, error);
+		g_object_unref (file);
+	}
+
+	if (success) {
+		file = g_file_new_for_path (user_config_dir);
+		success = e_file_recursive_delete_sync (file, NULL, error);
+		g_object_unref (file);
+	}
+
+	return success;
+}
+
+GTestDBus *
+e_test_setup_dbus_session (void)
+{
+	GTestDBus *test_dbus;
+	const gchar * const *system_data_dirs;
+	gint ii;
+
+	e_test_setup_base_directories ();
+
+	system_data_dirs = g_get_system_data_dirs ();
+	g_assert (system_data_dirs != NULL);
+
+	test_dbus = g_test_dbus_new (G_TEST_DBUS_NONE);
+
+	for (ii = 0; system_data_dirs[ii] != NULL; ii++) {
+		gchar *service_dir;
+
+		service_dir = g_build_filename (
+			system_data_dirs[ii], "dbus-1", "services", NULL);
+		g_print ("Adding service dir: %s\n", service_dir);
+		g_test_dbus_add_service_dir (test_dbus, service_dir);
+		g_free (service_dir);
+	}
+
+	return test_dbus;
+}
diff --git a/tests/libedataserver/e-test-dbus-utils.h b/tests/libedataserver/e-test-dbus-utils.h
new file mode 100644
index 0000000..8518ffc
--- /dev/null
+++ b/tests/libedataserver/e-test-dbus-utils.h
@@ -0,0 +1,33 @@
+/*
+ * e-test-dbus-utils.h
+ *
+ * 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/>
+ *
+ */
+
+#ifndef E_TEST_DBUS_UTILS_H
+#define E_TEST_DBUS_UTILS_H
+
+#include <gio/gio.h>
+
+G_BEGIN_DECLS
+
+const gchar *	e_test_setup_base_directories	(void);
+gboolean	e_test_clean_base_directories	(GError **error);
+
+GTestDBus *	e_test_setup_dbus_session	(void);
+
+G_END_DECLS
+
+#endif /* E_TEST_DBUS_UTILS_H */



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