Ichthyostega
1c2cbd4d47
...created as a byproduct of the TempDir feature, which in turn is required to do ''any'' meaningful unit-test of filesystem related functionality.
135 lines
4.5 KiB
C++
135 lines
4.5 KiB
C++
/*
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FileSupport(Test) - verify additional filesystem helpers
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Copyright (C) Lumiera.org
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2024, Hermann Vosseler <Ichthyostega@web.de>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of
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the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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* *****************************************************/
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/** @file file-support-test.cpp
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** unit test \ref FileSupport_test
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*/
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#include "lib/test/run.hpp"
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#include "lib/test/test-helper.hpp"
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#include "lib/test/temp-dir.hpp"
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#include "lib/stat/file.hpp"
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#include <fstream>
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namespace lib {
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namespace stat{
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namespace test{
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using lib::test::TempDir;
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/********************************************************************//**
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* @test verify supplemental helper functions for file-handling support,
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* provided to complement the C++ `<filesystem>` library.
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* @see file.hpp
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* @see TempDir_test
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*/
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class FileSupport_test : public Test
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{
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void
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run (Arg)
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{
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simplifiedPermissionAccess();
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homedirectoryExpansion();
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}
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void
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simplifiedPermissionAccess()
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{
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TempDir temp;
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fs::path f = temp.makeFile("Lumiera.nix");
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CHECK (fs::exists(f));
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CHECK (f.filename() == "Lumiera.nix");
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CHECK (f.parent_path() == temp);
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// enforce specific permissions...
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fs::permissions(f, fs::perms::owner_read | fs::perms::group_all | fs::perms::others_exec);
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CHECK ( fs::has_perm(f, fs::perms::owner_read));
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CHECK (not fs::has_perm(f, fs::perms::owner_write));
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CHECK (not fs::has_perm(f, fs::perms::owner_exec));
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CHECK (not fs::has_perm(f, fs::perms::owner_all));
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CHECK ( fs::has_perm(f, fs::perms::group_read));
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CHECK ( fs::has_perm(f, fs::perms::group_write));
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CHECK ( fs::has_perm(f, fs::perms::group_exec));
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CHECK ( fs::has_perm(f, fs::perms::group_all));
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CHECK (not fs::has_perm(f, fs::perms::others_read));
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CHECK (not fs::has_perm(f, fs::perms::others_write));
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CHECK ( fs::has_perm(f, fs::perms::others_exec));
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CHECK (not fs::has_perm(f, fs::perms::others_all));
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CHECK (not fs::has_perm(f, fs::perms::all));
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CHECK ( fs::can_read(f));
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CHECK (not fs::can_write(f));
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CHECK (not fs::can_exec(f));
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// and indeed: we can not write
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std::ofstream out{f};
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out << "outch";
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out.close();
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CHECK (not out.good());
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CHECK (0 == fs::file_size(f));
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}
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/** @test verify _consolidated path_
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* - retrieves and expands the POSIX home directory
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* - transforms into canonical, absolute path
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*/
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void
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homedirectoryExpansion ()
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{
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fs::path sweetHome{"~"};
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CHECK ("~" == sweetHome.generic_string());
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CHECK (not sweetHome.empty());
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CHECK (not sweetHome.has_parent_path());
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CHECK (not sweetHome.is_absolute());
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sweetHome = fs::consolidated (sweetHome);
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CHECK (not util::startsWith (sweetHome.generic_string(), "~"));
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CHECK ( util::startsWith (sweetHome.generic_string(), "/"));
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CHECK (not sweetHome.empty());
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CHECK ( sweetHome.has_parent_path());
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CHECK ( sweetHome.is_absolute());
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CHECK (fs::is_directory(sweetHome));
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fs::path itFollows = fs::consolidated ("~/it/follows");
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CHECK (util::startsWith (itFollows.generic_string(), "/"));
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CHECK (util::endsWith (itFollows.generic_string(), "follows"));
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CHECK (itFollows.filename() == "follows");
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CHECK (itFollows.is_absolute());
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CHECK (fs::relative (itFollows, sweetHome) == "it/follows");
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}
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};
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LAUNCHER (FileSupport_test, "unit common");
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}}} // namespace lib::stat::test
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