Ichthyostega
cc9dbd8a40
These are generic vehicles to verify computation structures. Since they are in no way related to our models, they belong into »Vault« layer Furthermore this reorganisation of test support components is prerequisite to also move further generic facilities down into the Vault
119 lines
3.3 KiB
C++
119 lines
3.3 KiB
C++
/*
|
||
TempDir(Test) - verify automated temporary working directory
|
||
|
||
Copyright (C)
|
||
2024, Hermann Vosseler <Ichthyostega@web.de>
|
||
|
||
**Lumiera** is free software; you can redistribute it and/or modify it
|
||
under the terms of the GNU General Public License as published by the
|
||
Free Software Foundation; either version 2 of the License, or (at your
|
||
option) any later version. See the file COPYING for further details.
|
||
|
||
* *****************************************************************/
|
||
|
||
/** @file temp-dir-test.cpp
|
||
** unit test \ref TempDir_test
|
||
*/
|
||
|
||
|
||
#include "test/run.hpp"
|
||
#include "test/temp-dir.hpp"
|
||
#include "test/test-helper.hpp"
|
||
|
||
#include <fstream>
|
||
|
||
|
||
namespace test{
|
||
namespace test{
|
||
|
||
|
||
/***************************************************************//**
|
||
* @test validate proper behaviour of a temporary working directory,
|
||
* including automatic name allocation and clean-up.
|
||
* @see temp-dir.hpp
|
||
* @see DataCSV_test usage example
|
||
*/
|
||
class TempDir_test : public Test
|
||
{
|
||
void
|
||
run (Arg)
|
||
{
|
||
simpleUsage();
|
||
verify_Lifecycle();
|
||
}
|
||
|
||
|
||
void
|
||
simpleUsage()
|
||
{
|
||
TempDir temp;
|
||
auto ff = temp.makeFile();
|
||
CHECK (fs::exists (ff));
|
||
CHECK (fs::is_empty (ff));
|
||
|
||
std::ofstream out{ff, std::ios_base::out};
|
||
auto scree = randStr(55);
|
||
out << scree << std::endl;
|
||
out.close();
|
||
|
||
CHECK (fs::is_regular_file (ff));
|
||
CHECK (not fs::is_empty (ff));
|
||
|
||
std::ifstream in{ff};
|
||
string readBack;
|
||
in >> readBack;
|
||
CHECK (readBack == scree);
|
||
}
|
||
|
||
|
||
|
||
/** @test automatic clean-up even in case of errors. */
|
||
void
|
||
verify_Lifecycle ()
|
||
{
|
||
fs::path d1;
|
||
fs::path d2;
|
||
{
|
||
TempDir tt;
|
||
d1 = tt;
|
||
tt.makeFile("huibuh");
|
||
tt.makeFile("huibuh");
|
||
tt.makeFile("huibuh");
|
||
std::ofstream boo{d1 / "huibuh"};
|
||
boo << "boo";
|
||
fs::create_directories(d1 / "bug/bear");
|
||
fs::rename (d1 / "huibuh", d1 / "bug/bear/fray");
|
||
|
||
auto scare = [&]{
|
||
TempDir tt;
|
||
d2 = tt;
|
||
tt.makeFile("Mooo");
|
||
CHECK (fs::exists(d2 / "Mooo"));
|
||
CHECK (not fs::is_empty(d2));
|
||
fs::create_directory(d2 / "Mooo"); // Booom!
|
||
};
|
||
CHECK (d2.empty());
|
||
CHECK (not d1.empty());
|
||
|
||
VERIFY_FAIL ("File exists", scare() );
|
||
// nested context was cleaned-up after exception
|
||
CHECK (not fs::exists(d2));
|
||
CHECK ( fs::exists(d1));
|
||
CHECK (not d2.empty());
|
||
CHECK (d1 != d2);
|
||
|
||
boo << "moo";
|
||
boo.close();
|
||
CHECK (6 == fs::file_size(d1 / "bug/bear/fray"));
|
||
// so bottom line: can do filesystem stuff for real...
|
||
}
|
||
// All traces are gone...
|
||
CHECK (not fs::exists(d1));
|
||
CHECK (not fs::exists(d2));
|
||
}
|
||
};
|
||
|
||
LAUNCHER (TempDir_test, "unit common");
|
||
|
||
|
||
}} // namespace test::test
|