Exheredludis/paludis/util/log_TEST.cc
2011-03-27 18:59:16 +01:00

107 lines
3.2 KiB
C++

/* vim: set sw=4 sts=4 et foldmethod=syntax : */
/*
* Copyright (c) 2006, 2007, 2008, 2011 Ciaran McCreesh
*
* This file is part of the Paludis package manager. Paludis is free software;
* you can redistribute it and/or modify it under the terms of the GNU General
* Public License version 2, as published by the Free Software Foundation.
*
* Paludis 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 General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 59 Temple
* Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <paludis/util/log.hh>
#include <sstream>
#include <gtest/gtest.h>
using namespace paludis;
namespace
{
struct Monkey
{
};
std::ostream &
operator<< (std::ostream & s, const Monkey & m)
{
if (s)
throw m;
return s;
}
int throws_a_monkey() PALUDIS_ATTRIBUTE((noreturn));
int throws_a_monkey()
{
throw Monkey();
}
Monkey throws_a_monkey_when_stringified()
{
return Monkey();
}
}
TEST(Log, Messages)
{
Log::destroy_instance();
ASSERT_TRUE(Log::get_instance());
EXPECT_TRUE(Log::get_instance() == Log::get_instance());
std::stringstream s;
Log::get_instance()->set_log_stream(&s);
Log::get_instance()->set_log_level(ll_debug);
EXPECT_TRUE(s.str().empty());
Log::get_instance()->message("test.log", ll_debug, lc_no_context) << "one";
EXPECT_TRUE(! s.str().empty());
EXPECT_TRUE(std::string::npos != s.str().find("one"));
std::stringstream t;
Log::get_instance()->set_log_stream(&t);
EXPECT_TRUE(t.str().empty());
Log::get_instance()->set_log_level(ll_warning);
Log::get_instance()->message("test.log", ll_debug, lc_no_context) << "two";
EXPECT_TRUE(t.str().empty());
Log::get_instance()->message("test.log", ll_warning, lc_no_context) << "three" << "." << 14;
EXPECT_TRUE(! t.str().empty());
EXPECT_TRUE(std::string::npos == t.str().find("one"));
EXPECT_TRUE(std::string::npos == t.str().find("two"));
EXPECT_TRUE(std::string::npos != t.str().find("three.14"));
}
TEST(Log, Exceptions)
{
Log::destroy_instance();
std::stringstream s;
Log::get_instance()->set_log_stream(&s);
Log::get_instance()->set_log_level(ll_debug);
EXPECT_TRUE(s.str().empty());
EXPECT_THROW(Log::get_instance()->message("test.log", ll_debug, lc_no_context) << throws_a_monkey(), Monkey);
EXPECT_TRUE(s.str().empty());
EXPECT_THROW(Log::get_instance()->message("test.log", ll_debug, lc_no_context)
<< "one" << throws_a_monkey() << "two", Monkey);
EXPECT_TRUE(s.str().empty());
EXPECT_THROW(Log::get_instance()->message("test.log", ll_debug, lc_no_context) << throws_a_monkey_when_stringified(), Monkey);
EXPECT_TRUE(s.str().empty());
EXPECT_THROW(Log::get_instance()->message("test.log", ll_debug, lc_no_context)
<< "one" << throws_a_monkey_when_stringified() << "two", Monkey);
EXPECT_TRUE(s.str().empty());
}