- get rid of qmake project file - provide CMake modules for common tasks - provide templates for *.desktop files
197 lines
6.6 KiB
C++
197 lines
6.6 KiB
C++
#include "./testutils.h"
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#include "../application/failure.h"
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#include "../conversion/stringconversion.h"
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#include <cstdlib>
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#include <cstring>
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#include <iostream>
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#include <fstream>
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#include <sys/stat.h>
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using namespace std;
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using namespace ApplicationUtilities;
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using namespace ConversionUtilities;
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namespace TestUtilities {
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TestApplication *TestApplication::m_instance = nullptr;
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/*!
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* \class TestApplication
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* \brief The TestApplication class simplifies writing test applications that require opening test files.
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* \remarks Only one instance is allowed at a time (singletone class).
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*/
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/*!
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* \brief Constructs a TestApplication instance.
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* \throws Throws std::runtime_error if an instance has already been created.
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*/
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TestApplication::TestApplication(int argc, char **argv) :
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m_helpArg(m_parser),
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m_testFilesPathArg("test-files-path", "p", "specifies the path of the directory with test files"),
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m_workingDirArg("working-dir", "w", "specifies the directory to store working copies of test files")
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{
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// check whether there is already an instance
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if(m_instance) {
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throw runtime_error("only one TestApplication instance allowed at a time");
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}
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m_instance = this;
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// read TEST_FILE_PATH environment variable
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if(const char *testFilesPathEnv = getenv("TEST_FILE_PATH")) {
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if(const auto len = strlen(testFilesPathEnv)) {
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m_testFilesPathEnvValue.reserve(len + 1);
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m_testFilesPathEnvValue += testFilesPathEnv;
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m_testFilesPathEnvValue += '/';
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}
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}
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// setup argument parser
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m_testFilesPathArg.setRequiredValueCount(1);
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m_testFilesPathArg.setValueNames({"path"});
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m_testFilesPathArg.setCombinable(true);
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m_workingDirArg.setRequiredValueCount(1);
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m_workingDirArg.setValueNames({"path"});
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m_workingDirArg.setCombinable(true);
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m_parser.setMainArguments({&m_testFilesPathArg, &m_workingDirArg, &m_helpArg});
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// parse arguments
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try {
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m_parser.parseArgs(argc, argv);
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cerr << "Directories used to search for testfiles:" << endl;
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if(m_testFilesPathArg.isPresent()) {
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if(!m_testFilesPathArg.values().front().empty()) {
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cerr << (m_testFilesPathArgValue = m_testFilesPathArg.values().front() + '/') << endl;
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} else {
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cerr << (m_testFilesPathArgValue = "./") << endl;
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}
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}
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if(!m_testFilesPathEnvValue.empty()) {
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cerr << m_testFilesPathEnvValue << endl;
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}
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cerr << "./testfiles/" << endl << endl;
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cerr << "Directory used to store working copies:" << endl;
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if(m_workingDirArg.isPresent()) {
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if(!m_workingDirArg.values().front().empty()) {
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m_workingDir = m_workingDirArg.values().front() + '/';
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} else {
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m_workingDir = "./";
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}
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} else if(const char *workingDirEnv = getenv("WORKING_DIR")) {
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if(const auto len = strlen(workingDirEnv)) {
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m_workingDir.reserve(len + 1);
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m_workingDir += workingDirEnv;
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m_workingDir += '/';
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}
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} else {
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if(m_testFilesPathArg.isPresent()) {
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m_workingDir = m_testFilesPathArgValue + "workingdir/";
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} else if(!m_testFilesPathEnvValue.empty()) {
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m_workingDir = m_testFilesPathEnvValue + "workingdir/";
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} else {
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m_workingDir = "./testfiles/workingdir/";
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}
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}
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cerr << m_workingDir << endl << endl;
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m_valid = true;
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cerr << "Executing test cases ..." << endl;
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} catch(const Failure &failure) {
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cerr << "Invalid arguments specified: " << failure.what() << endl;
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m_valid = false;
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}
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}
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/*!
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* \brief Destroys the TestApplication.
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*/
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TestApplication::~TestApplication()
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{
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m_instance = nullptr;
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}
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/*!
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* \brief Returns the full path of the test file with the specified \a name.
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*/
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string TestApplication::testFilePath(const string &name) const
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{
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string path;
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fstream file; // used to check whether the file is present
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// check the path specified by command line argument
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if(m_testFilesPathArg.isPresent()) {
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file.open(path = m_testFilesPathArgValue + name, ios_base::in);
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if(file.good()) {
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return path;
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}
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}
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// check the path specified by environment variable
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if(!m_testFilesPathEnvValue.empty()) {
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file.clear();
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file.open(path = m_testFilesPathEnvValue + name, ios_base::in);
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if(file.good()) {
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return path;
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}
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}
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// file still not found -> return default path
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return "./testfiles/" + name;
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}
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#ifdef PLATFORM_UNIX
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/*!
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* \brief Returns the full path to a working copy of the test file with the specified \a name.
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*/
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string TestApplication::workingCopyPath(const string &name) const
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{
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// create file streams
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fstream origFile, workingCopy;
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origFile.exceptions(ios_base::badbit | ios_base::failbit);
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workingCopy.exceptions(ios_base::badbit | ios_base::failbit);
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// ensure working directory is present
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struct stat currentStat;
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if(stat(m_workingDir.c_str(), ¤tStat) || !S_ISDIR(currentStat.st_mode)) {
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if(mkdir(m_workingDir.c_str(), S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH)) {
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cerr << "Unable to create working copy for \"" << name << "\": can't create working directory." << endl;
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return string();
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}
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}
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// ensure subdirectory exists
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const auto parts = splitString<vector<string> >(name, string("/"), EmptyPartsTreat::Omit);
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if(!parts.empty()) {
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string currentLevel = m_workingDir;
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for(auto i = parts.cbegin(), end = parts.end() - 1; i != end; ++i) {
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if(currentLevel.back() != '/') {
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currentLevel += '/';
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}
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currentLevel += *i;
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if(stat(currentLevel.c_str(), ¤tStat) || !S_ISDIR(currentStat.st_mode)) {
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if(mkdir(currentLevel.c_str(), S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH)) {
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cerr << "Unable to create working copy for \"" << name << "\": can't create working directory." << endl;
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return string();
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}
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}
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}
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}
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// copy file
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try {
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origFile.open(testFilePath(name), ios_base::in | ios_base::binary);
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string path = m_workingDir + name;
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workingCopy.open(path, ios_base::out | ios_base::binary | ios_base::trunc);
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workingCopy << origFile.rdbuf();
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return path;
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} catch(const ios_base::failure &) {
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cerr << "Unable to create working copy for \"" << name << "\": an IO error occured." << endl;
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}
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return string();
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}
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#endif
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}
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