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/*
* Copyright 2013-2016 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/>.
*/
#pragma once
#include <chrono>
#include <functional> // std::function
#include <map>
#include <memory> // std::shared_ptr
#include <glib.h>
#include <glib/gstdio.h>
#include <gio/gio.h>
#include <gtest/gtest.h>
#include <locale.h> // setlocale()
class GlibFixture : public ::testing::Test
{
public:
virtual ~GlibFixture() =default;
protected:
virtual void SetUp() override
{
setlocale(LC_ALL, "C.UTF-8");
loop = g_main_loop_new(nullptr, false);
// only use local, temporary settings
g_assert(g_setenv("GSETTINGS_SCHEMA_DIR", SCHEMA_DIR, true));
g_assert(g_setenv("GSETTINGS_BACKEND", "memory", true));
g_debug("SCHEMA_DIR is %s", SCHEMA_DIR);
// fail on unexpected messages from this domain
g_log_set_fatal_mask(G_LOG_DOMAIN, G_LOG_LEVEL_WARNING);
g_unsetenv("DISPLAY");
}
virtual void TearDown() override
{
g_test_assert_expected_messages ();
g_clear_pointer(&loop, g_main_loop_unref);
}
void expectLogMessage (const gchar *domain, GLogLevelFlags level, const gchar *pattern)
{
g_test_expect_message (domain, level, pattern);
}
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;
}
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 int 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(int msec=50)
{
const auto id = g_timeout_add(msec, wait_msec__timeout, loop);
g_main_loop_run(loop);
g_source_remove(id);
}
bool wait_for(std::function<bool()> test_function, guint timeout_msec=1000)
{
auto timer = std::shared_ptr<GTimer>(g_timer_new(), [](GTimer* t){g_timer_destroy(t);});
const auto timeout_sec = timeout_msec / 1000.0;
for (;;) {
if (test_function())
return true;
//g_message("%f ... %f", g_timer_elapsed(timer.get(), nullptr), timeout_sec);
if (g_timer_elapsed(timer.get(), nullptr) >= timeout_sec)
return false;
wait_msec();
}
}
bool wait_for_name_owned(GDBusConnection* connection,
const gchar* name,
guint timeout_msec=1000,
GBusNameWatcherFlags flags=G_BUS_NAME_WATCHER_FLAGS_AUTO_START)
{
struct Data {
GMainLoop* loop = nullptr;
bool owned = false;
};
Data data;
auto on_name_appeared = [](GDBusConnection* /*connection*/,
const gchar* /*name_*/,
const gchar* name_owner,
gpointer gdata)
{
if (name_owner == nullptr)
return;
auto tmp = static_cast<Data*>(gdata);
tmp->owned = true;
g_main_loop_quit(tmp->loop);
};
const auto timeout_id = g_timeout_add(timeout_msec, wait_msec__timeout, loop);
data.loop = loop;
const auto watch_id = g_bus_watch_name_on_connection(connection,
name,
flags,
on_name_appeared,
nullptr, /* name_vanished */
&data,
nullptr); /* user_data_free_func */
g_main_loop_run(loop);
g_bus_unwatch_name(watch_id);
g_source_remove(timeout_id);
return data.owned;
}
void EXPECT_NAME_OWNED_EVENTUALLY(GDBusConnection* connection,
const gchar* name,
guint timeout_msec=1000,
GBusNameWatcherFlags flags=G_BUS_NAME_WATCHER_FLAGS_AUTO_START)
{
EXPECT_TRUE(wait_for_name_owned(connection, name, timeout_msec, flags)) << "name: " << name;
}
void EXPECT_NAME_NOT_OWNED_EVENTUALLY(GDBusConnection* connection,
const gchar* name,
guint timeout_msec=1000,
GBusNameWatcherFlags flags=G_BUS_NAME_WATCHER_FLAGS_AUTO_START)
{
EXPECT_FALSE(wait_for_name_owned(connection, name, timeout_msec, flags)) << "name: " << name;
}
void ASSERT_NAME_OWNED_EVENTUALLY(GDBusConnection* connection,
const gchar* name,
guint timeout_msec=1000,
GBusNameWatcherFlags flags=G_BUS_NAME_WATCHER_FLAGS_AUTO_START)
{
ASSERT_TRUE(wait_for_name_owned(connection, name, timeout_msec, flags)) << "name: " << name;
}
void ASSERT_NAME_NOT_OWNED_EVENTUALLY(GDBusConnection* connection,
const gchar* name,
guint timeout_msec=1000,
GBusNameWatcherFlags flags=G_BUS_NAME_WATCHER_FLAGS_AUTO_START)
{
ASSERT_FALSE(wait_for_name_owned(connection, name, timeout_msec, flags)) << "name: " << name;
}
using source_func = std::function<gboolean()>;
guint idle_add(source_func&& func)
{
return g_idle_add_full(
G_PRIORITY_DEFAULT_IDLE,
[](gpointer gf){return (*static_cast<source_func*>(gf))();},
new std::function<gboolean()>(func),
[](gpointer gf){delete static_cast<source_func*>(gf);}
);
}
guint timeout_add(source_func&& func, std::chrono::milliseconds msec)
{
return g_timeout_add_full(
G_PRIORITY_DEFAULT,
msec.count(),
[](gpointer gf){return (*static_cast<source_func*>(gf))();},
new std::function<gboolean()>(func),
[](gpointer gf){delete static_cast<source_func*>(gf);}
);
}
GMainLoop* loop {};
};
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