Exheredludis/paludis/util/fs_stat_TEST.cc
Ciaran McCreesh abba25627d gtest more
2011-03-20 19:41:40 +00:00

257 lines
7.9 KiB
C++

/* vim: set sw=4 sts=4 et foldmethod=syntax : */
/*
* Copyright (c) 2005, 2006, 2007, 2008, 2009, 2010, 2011 Ciaran McCreesh
* Copyright (c) 2006 Mark Loeser
*
* 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/fs_path.hh>
#include <paludis/util/fs_error.hh>
#include <paludis/util/fs_stat.hh>
#include <paludis/util/log.hh>
#include <paludis/util/timestamp.hh>
#include <paludis/util/options.hh>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <pwd.h>
#include <ctime>
#include <gtest/gtest.h>
using namespace paludis;
TEST(FSStat, Time)
{
FSPath a("fs_stat_TEST_dir");
FSPath b("fs_stat_TEST_dir/no_perms");
FSPath c("fs_stat_TEST_dir/no_such_file");
FSPath d("fs_stat_TEST_dir/dir_a/dir_in_a");
FSStat a_stat(a);
FSStat b_stat(b);
FSStat c_stat(c);
FSStat d_stat(d);
#if !defined(__FreeBSD__)
EXPECT_TRUE(a_stat.ctim() < Timestamp::now());
EXPECT_TRUE(a_stat.mtim() < Timestamp::now());
#endif
EXPECT_TRUE(b_stat.ctim() < Timestamp::now());
EXPECT_TRUE(b_stat.mtim() < Timestamp::now());
EXPECT_TRUE(d_stat.ctim() < Timestamp::now());
EXPECT_TRUE(d_stat.mtim() < Timestamp::now());
EXPECT_THROW(Timestamp PALUDIS_ATTRIBUTE((unused)) x = c_stat.ctim(), FSError);
EXPECT_THROW(Timestamp PALUDIS_ATTRIBUTE((unused)) x = c_stat.mtim(), FSError);
EXPECT_TRUE(b_stat.mtim() < b_stat.ctim());
EXPECT_TRUE(d_stat.mtim() == d_stat.ctim());
}
TEST(FSStat, Manipulation)
{
FSPath f("/foo/bar");
FSPath c(f);
EXPECT_EQ(f, FSPath("/foo/bar"));
EXPECT_EQ(c, FSPath("/foo/bar"));
f = FSPath("/baz");
EXPECT_EQ(f, FSPath("/baz"));
EXPECT_EQ(c, FSPath("/foo/bar"));
c /= "moo";
EXPECT_EQ(f, FSPath("/baz"));
EXPECT_EQ(c, FSPath("/foo/bar/moo"));
f = c / f;
EXPECT_EQ(f, FSPath("/foo/bar/moo/baz"));
EXPECT_EQ(c, FSPath("/foo/bar/moo"));
f = FSPath::cwd();
EXPECT_EQ(f, f / FSPath("/"));
}
TEST(FSStat, Realpath)
{
FSPath d("fs_stat_TEST_dir");
EXPECT_TRUE(d.stat().is_directory());
d /= "all_perms";
EXPECT_TRUE(d.stat().is_regular_file());
FSPath e("fs_stat_TEST_dir/nosuchfile");
EXPECT_TRUE(! e.stat().is_regular_file());
d = e;
EXPECT_TRUE(! d.stat().is_regular_file());
EXPECT_TRUE(! d.stat().exists());
EXPECT_THROW(e.readlink(), FSError);
d = FSPath("fs_stat_TEST_dir/all_perms");
EXPECT_TRUE(! e.stat().is_regular_file());
EXPECT_TRUE(d.stat().is_regular_file());
EXPECT_TRUE(d.stat().exists());
d = FSPath("fs_stat_TEST_dir/symlink_to_dir_a");
EXPECT_TRUE(d.stat().is_symlink());
EXPECT_TRUE(! d.stat().is_directory());
EXPECT_TRUE(d.stat().is_directory_or_symlink_to_directory());
EXPECT_TRUE(! d.stat().is_regular_file());
EXPECT_TRUE(! d.stat().is_regular_file_or_symlink_to_regular_file());
e = FSPath("fs_stat_TEST_dir/doesnotexist_symlink");
EXPECT_TRUE(e.stat().is_symlink());
EXPECT_TRUE(e.stat().exists());
EXPECT_TRUE(! e.stat().is_directory());
EXPECT_TRUE(! e.stat().is_directory_or_symlink_to_directory());
EXPECT_TRUE(! e.stat().is_regular_file());
EXPECT_TRUE(! e.stat().is_regular_file_or_symlink_to_regular_file());
FSPath f("fs_stat_TEST_dir/symlink_to_dir_a/file_in_a");
EXPECT_TRUE(f.stat().is_regular_file());
EXPECT_TRUE(! f.stat().is_symlink());
FSPath r(f.realpath());
EXPECT_TRUE(r.stat().is_regular_file());
std::string g("fs_stat_TEST_dir/dir_a/file_in_a");
EXPECT_EQ(g, stringify(r).substr(stringify(r).length() - g.length()));
FSPath h("fs_stat_TEST_dir/symlink_to_file_in_a");
EXPECT_TRUE(h.stat().is_symlink());
EXPECT_TRUE(! h.stat().is_regular_file());
EXPECT_TRUE(h.stat().is_regular_file_or_symlink_to_regular_file());
EXPECT_EQ("dir_a/file_in_a", h.readlink());
FSPath i("fs_stat_TEST_dir/dir_to_make");
EXPECT_TRUE(i.mkdir(0755, { fspmkdo_ok_if_exists }));
EXPECT_TRUE(! i.mkdir(0755, { fspmkdo_ok_if_exists }));
EXPECT_TRUE(i.rmdir());
FSPath j("fs_stat_TEST_dir/dir_to_make");
EXPECT_TRUE(! j.stat().exists());
EXPECT_TRUE(! j.stat().is_directory());
FSPath k("fs_stat_TEST_dir/dir_a/file_in_a");
EXPECT_THROW(k.mkdir(0755, { fspmkdo_ok_if_exists }), FSError);
FSPath l("fs_stat_TEST_dir/file_a/file_that_triggers_ENOTDIR");
EXPECT_TRUE(! l.stat().exists());
}
TEST(FSStat, Size)
{
FSPath f("fs_stat_TEST_dir/ten_bytes");
FSPath d("fs_stat_TEST_dir/dir_a");
FSPath e("fs_stat_TEST_dir/no_such_file");
EXPECT_EQ(10, f.stat().file_size());
EXPECT_THROW(size_t PALUDIS_ATTRIBUTE((unused)) x = d.stat().file_size(), FSError);
EXPECT_THROW(size_t PALUDIS_ATTRIBUTE((unused)) x = e.stat().file_size(), FSError);
}
TEST(FSStat, Symlink)
{
FSPath f("fs_stat_TEST_dir/new_sym");
EXPECT_TRUE(f.symlink("the_target"));
EXPECT_TRUE(f.stat().is_symlink());
EXPECT_EQ("the_target", f.readlink());
f.unlink();
}
TEST(FSStat, Perms)
{
FSPath a("fs_stat_TEST_dir/no_perms");
uid_t my_uid = geteuid();
a.chown(my_uid, -1);
EXPECT_EQ(my_uid, a.stat().owner());
mode_t all_perms(S_IRUSR | S_IWUSR | S_IXUSR |
S_IRGRP | S_IWGRP | S_IXGRP |
S_IROTH | S_IWOTH | S_IXOTH);
a.chmod(all_perms);
FSPath b("fs_stat_TEST_dir/no_perms");
EXPECT_EQ(all_perms, static_cast<mode_t>(b.stat().permissions() & 0xFFF));
mode_t no_perms(0);
b.chmod(no_perms);
FSPath c("fs_stat_TEST_dir/no_perms");
EXPECT_EQ(no_perms, static_cast<mode_t>(c.stat().permissions() & 0xFFF));
FSPath d("fs_stat_TEST_dir/i_dont_exist");
EXPECT_THROW(mode_t PALUDIS_ATTRIBUTE((unused)) x = d.stat().permissions(), FSError);
EXPECT_THROW(d.chmod(all_perms), FSError);
EXPECT_THROW(d.chown(static_cast<uid_t>(-1), -1), FSError);
EXPECT_THROW(uid_t PALUDIS_ATTRIBUTE((unused)) x = d.stat().owner(), FSError);
EXPECT_THROW(gid_t PALUDIS_ATTRIBUTE((unused)) x = d.stat().group(), FSError);
if (0 == my_uid)
{
struct passwd *pw = getpwent();
if (! pw)
throw InternalError(PALUDIS_HERE, "getpwent returned NULL");
std::string my_file("fs_stat_TEST_dir/all_perms");
FSPath e(my_file);
uid_t my_owner = e.stat().owner();
gid_t my_group = e.stat().group();
if (pw->pw_uid == my_owner)
{
pw = getpwent();
if (! pw)
throw InternalError(PALUDIS_HERE, "getpwent returned NULL");
}
uid_t new_owner(pw->pw_uid);
e.chown(new_owner, -1);
EXPECT_EQ(new_owner, FSPath(my_file).stat().owner());
EXPECT_EQ(my_group, FSPath(my_file).stat().group());
gid_t new_group(pw->pw_gid);
endpwent();
e.chown(static_cast<uid_t>(-1), new_group);
EXPECT_EQ(new_owner, FSPath(my_file).stat().owner());
EXPECT_EQ(new_group, FSPath(my_file).stat().group());
e.chown(static_cast<uid_t>(-1), -1);
EXPECT_EQ(new_owner, FSPath(my_file).stat().owner());
EXPECT_EQ(new_group, FSPath(my_file).stat().group());
e.chown(my_owner, my_group);
EXPECT_EQ(my_owner, FSPath(my_file).stat().owner());
EXPECT_EQ(my_group, FSPath(my_file).stat().group());
}
else
{
FSPath e("fs_stat_TEST_dir/all_perms");
EXPECT_THROW(e.chown(0, 0), FSError);
}
}