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-rw-r--r--tests/glib-fixture.h120
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+/*
+ * Copyright 2013 Canonical Ltd.
+ *
+ * Authors:
+ * Charles Kerr <charles.kerr@canonical.com>
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 3, as published
+ * by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranties of
+ * MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
+ * PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <map>
+
+#include <glib.h>
+#include <glib/gstdio.h>
+#include <gio/gio.h>
+
+#include <gtest/gtest.h>
+
+class GlibFixture : public ::testing::Test
+{
+ private:
+
+ GLogFunc realLogHandler;
+
+ protected:
+
+ std::map<GLogLevelFlags,int> logCounts;
+
+ void testLogCount (GLogLevelFlags log_level, int expected G_GNUC_UNUSED)
+ {
+ ASSERT_EQ (expected, logCounts[log_level]);
+
+ logCounts.erase (log_level);
+ }
+
+ private:
+
+ static void default_log_handler (const gchar * log_domain,
+ GLogLevelFlags log_level,
+ const gchar * message,
+ gpointer self)
+ {
+ g_print ("%s - %d - %s", log_domain, (int)log_level, message);
+ static_cast<GlibFixture*>(self)->logCounts[log_level]++;
+ }
+
+ protected:
+
+ virtual void SetUp ()
+ {
+ loop = g_main_loop_new (NULL, FALSE);
+
+ g_log_set_default_handler (default_log_handler, this);
+
+ // only use local, temporary settings
+ g_setenv ("GSETTINGS_SCHEMA_DIR", SCHEMA_DIR, TRUE);
+ g_setenv ("GSETTINGS_BACKEND", "memory", TRUE);
+ g_debug ("SCHEMA_DIR is %s", SCHEMA_DIR);
+ }
+
+ virtual void TearDown()
+ {
+ // confirm there aren't any unexpected log messages
+ ASSERT_EQ (0, logCounts[G_LOG_LEVEL_ERROR]);
+ ASSERT_EQ (0, logCounts[G_LOG_LEVEL_CRITICAL]);
+ ASSERT_EQ (0, logCounts[G_LOG_LEVEL_WARNING]);
+ ASSERT_EQ (0, logCounts[G_LOG_LEVEL_MESSAGE]);
+ ASSERT_EQ (0, logCounts[G_LOG_LEVEL_INFO]);
+
+ // revert to glib's log handler
+ g_log_set_default_handler (realLogHandler, this);
+
+ g_clear_pointer (&loop, g_main_loop_unref);
+ }
+
+ private:
+
+ static gboolean
+ wait_for_signal__timeout (gpointer name)
+ {
+ g_error ("%s: timed out waiting for signal '%s'", G_STRLOC, (char*)name);
+ return G_SOURCE_REMOVE;
+ }
+
+ protected:
+
+ /* convenience func to loop while waiting for a GObject's signal */
+ void wait_for_signal (gpointer o, const gchar * signal, const int timeout_seconds=5)
+ {
+ // wait for the signal or for timeout, whichever comes first
+ guint handler_id = g_signal_connect_swapped (o, signal,
+ G_CALLBACK(g_main_loop_quit),
+ loop);
+ gulong timeout_id = g_timeout_add_seconds (timeout_seconds,
+ wait_for_signal__timeout,
+ loop);
+ g_main_loop_run (loop);
+ g_source_remove (timeout_id);
+ g_signal_handler_disconnect (o, handler_id);
+ }
+
+ /* convenience func to loop for N msec */
+ void wait_msec (int msec=50)
+ {
+ guint id = g_timeout_add (msec, (GSourceFunc)g_main_loop_quit, loop);
+ g_main_loop_run (loop);
+ g_source_remove (id);
+ }
+
+ GMainLoop * loop;
+};