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Improve documentation of some test utilities

This commit is contained in:
Martchus 2020-04-13 23:35:22 +02:00
parent 5340a8b6ec
commit 3fe1ea64cf
1 changed files with 15 additions and 2 deletions
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17
tests/testutils.cpp
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@ -38,6 +38,7 @@ using namespace CppUtilities::EscapeCodes;
*/
namespace CppUtilities {
/// \cond
bool fileSystemItemExists(const string &path)
{
#ifdef PLATFORM_UNIX
@ -95,6 +96,7 @@ bool makeDir(const string &path)
return CreateDirectoryW(widePath.first.get(), nullptr) || GetLastError() == ERROR_ALREADY_EXISTS;
#endif
}
/// \endcond
TestApplication *TestApplication::s_instance = nullptr;
@ -106,6 +108,8 @@ TestApplication *TestApplication::s_instance = nullptr;
/*!
* \brief Constructs a TestApplication instance without further arguments.
* \remarks This constructor skips parsing CLI arguments. Other initialization like reading environment variables
* for test file paths and working directories is still done.
* \throws Throws std::runtime_error if an instance has already been created.
*/
TestApplication::TestApplication()
@ -536,6 +540,9 @@ int execHelperApp(const char *appPath, const char *const *args, std::string &out
}
#endif // PLATFORM_UNIX
/*!
* \brief Reads the path of the test file directory from the environment variable TEST_FILE_PATH.
*/
string TestApplication::readTestfilePathFromEnv()
{
const char *const testFilesPathEnv = getenv("TEST_FILE_PATH");
@ -545,8 +552,15 @@ string TestApplication::readTestfilePathFromEnv()
return argsToString(testFilesPathEnv, '/');
}
/*!
* \brief Reads the path of the test file directory from the "srcdirref" file.
* \remarks That file is supposed to contain the path the the source directory. It is supposed to be stored by the build system in the
* same directory as the test executable. The CMake modules contained of these utilities ensure that's the case.
*/
string TestApplication::readTestfilePathFromSrcRef()
{
// find the path of the current executable on platforms supporting "/proc/self/exe"; otherwise assume the current working directory
// is the executable path
std::string binaryPath;
#if defined(CPP_UTILITIES_USE_STANDARD_FILESYSTEM) && defined(PLATFORM_UNIX)
try {
@ -557,8 +571,7 @@ string TestApplication::readTestfilePathFromSrcRef()
}
#endif
try {
// read "srcdirref" file which should contain the path of the source directory; this file should have been
// create by the CMake module "TestTarget.cmake"
// read "srcdirref" file which should contain the path of the source directory
auto srcDirContent(readFile(binaryPath + "srcdirref", 2 * 1024));
if (srcDirContent.empty()) {
cerr << Phrases::Warning << "The file \"srcdirref\" is empty." << Phrases::EndFlush;