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/*
* Copyright 2014 Canonical Ltd.
*
* 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/>.
*
* Authors:
* Charles Kerr <charles.kerr@canonical.com>
*/
#include <map>
#include <glib.h>
#include <glib/gstdio.h>
#include <gio/gio.h>
#include <gtest/gtest.h>
#include <locale.h> // setlocale()
class GlibFixture : public ::testing::Test
{
private:
GLogFunc realLogHandler;
std::map<GLogLevelFlags,size_t> expected_log;
std::map<GLogLevelFlags,std::vector<std::string>> log;
void test_log_counts()
{
const GLogLevelFlags levels_to_test[] = { G_LOG_LEVEL_ERROR,
G_LOG_LEVEL_CRITICAL,
G_LOG_LEVEL_MESSAGE,
G_LOG_LEVEL_WARNING };
for(const auto& level : levels_to_test)
{
const auto& v = log[level];
const auto n = v.size();
EXPECT_EQ(expected_log[level], n);
if (expected_log[level] != n)
for (size_t i=0; i<n; ++i)
g_print("%d %s\n", (n+1), v[i].c_str());
}
expected_log.clear();
log.clear();
}
static void default_log_handler(const gchar * log_domain,
GLogLevelFlags log_level,
const gchar * message,
gpointer self)
{
auto tmp = g_strdup_printf ("%s:%d \"%s\"", log_domain, int(log_level), message);
static_cast<GlibFixture*>(self)->log[log_level].push_back(tmp);
g_free(tmp);
}
protected:
void increment_expected_errors(GLogLevelFlags level, size_t n=1)
{
expected_log[level] += n;
}
virtual void SetUp()
{
setlocale(LC_ALL, "C.UTF-8");
loop = g_main_loop_new(nullptr, false);
g_log_set_default_handler(default_log_handler, this);
g_unsetenv("DISPLAY");
}
virtual void TearDown()
{
test_log_counts();
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, static_cast<char*>(name));
return G_SOURCE_REMOVE;
}
static gboolean
wait_msec__timeout(gpointer loop)
{
g_main_loop_quit(static_cast<GMainLoop*>(loop));
return G_SOURCE_CONTINUE;
}
protected:
/* convenience func to loop while waiting for a GObject's signal */
void wait_for_signal(gpointer o, const gchar * signal, const guint timeout_seconds=5)
{
// wait for the signal or for timeout, whichever comes first
const auto handler_id = g_signal_connect_swapped(o, signal,
G_CALLBACK(g_main_loop_quit),
loop);
const auto 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(guint msec=50)
{
const auto id = g_timeout_add(msec, wait_msec__timeout, loop);
g_main_loop_run(loop);
g_source_remove(id);
}
GMainLoop * loop;
};
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