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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file Tests/Unit/PyBinding/PyInfoTest.cpp
//!
//! @homepage http://www.bornagainproject.org
//! @license GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2018
//! @authors Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
// ************************************************************************************************
#include "BABuild.h"
#include "BAVersion.h"
#include "PyCore/Embed/PyInterpreter.h"
#include "PyCore/Embed/PyObjectPtr.h"
#include "Tests/GTestWrapper/google_test.h"
#include <iostream>
//! Accessing to the information about Python used during the build, content of path.sys variable.
TEST(PyInfo, SysPath)
{
// Python build info
std::cout << "pythonExecutable(): " << BABuild::pythonExecutable() << std::endl;
std::cout << "pythonInterpreterID(): " << BABuild::pythonInterpreterID() << std::endl;
std::cout << "pythonVersionString(): " << BABuild::pythonVersionString() << std::endl;
std::cout << "pythonLibraries(): " << BABuild::pythonLibraries() << std::endl;
std::cout << "pythonIncludeDirs(): " << BABuild::pythonIncludeDirs() << std::endl;
std::cout << "pythonSiteLib(): " << BABuild::pythonSiteLib() << std::endl;
// BornAgain build
std::cout << "buildLibDir(): " << BABuild::buildLibDir() << std::endl;
std::cout << "pythonPackDir(): " << BABuild::pythonPackDir() << std::endl;
// Runtime info
// initialize Python interpreter
PyInterpreter::initialize();
EXPECT_TRUE(PyInterpreter::isInitialized());
std::string runtime_info = PyInterpreter::runtimeInfo();
EXPECT_TRUE(!runtime_info.empty());
std::cout << "Python runtime info:" << std::endl;
std::cout << runtime_info << std::endl;
}
//! Comparing results of GetVersionNumber() function obtained in "embedded" and "native C++" ways.
TEST(PyInfo, GetAttribute)
{
// initialize Python interpreter
PyInterpreter::initialize();
EXPECT_TRUE(PyInterpreter::isInitialized());
const std::string ba_pypack_dir{BABuild::pythonPackDir()};
std::cout << "BornAgain Python package: '" << ba_pypack_dir << "'\n";
PyObjectPtr ba_mod = PyInterpreter::BornAgain::import(ba_pypack_dir);
EXPECT_TRUE(ba_mod.valid());
const std::string ba_vstr{BornAgain::version};
const std::string py_vstr{
PyInterpreter::getStrAttribute(ba_mod.get(), std::string("version_str"))};
std::cout << "BornAgain version via Python: '" << py_vstr << "'\n";
std::cout << "BornAgain version from Core: '" << ba_vstr << "'\n";
if (py_vstr != ba_vstr) {
std::cout << "Version numbers disagree, test will fail.\n"
<< "Possible reasons:\n"
<< "- Python bindings not regenerated\n"
<< "- Python module load from wrong location\n";
EXPECT_TRUE(false);
}
EXPECT_TRUE(true);
}
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