catch2/misc/coverage-helper.cpp
Martin Hořeňovský 45a465713e Add codecov.io coverage collection from AppVeyor
Also had to add new project to redirect CTest output, add
separate batch scripts for AppVeyor because it doesn't handle
multi-line batch scripts in yaml properly, and other helper
scripts.
2017-12-03 13:03:52 +01:00

101 lines
2.9 KiB
C++

#include <algorithm>
#include <array>
#include <cassert>
#include <fstream>
#include <iostream>
#include <memory>
#include <numeric>
#include <regex>
#include <string>
#include <vector>
void create_empty_file(std::string const& path) {
std::ofstream ofs(path);
ofs << '\n';
}
const std::string separator = "--sep--";
const std::string logfile_prefix = "--log-file=";
bool starts_with(std::string const& str, std::string const& pref) {
return str.find(pref) == 0;
}
int parse_log_file_arg(std::string const& arg) {
assert(starts_with(arg, logfile_prefix) && "Attempting to parse incorrect arg!");
auto fname = arg.substr(logfile_prefix.size());
create_empty_file(fname);
std::regex regex("MemoryChecker\\.(\\d+)\\.log", std::regex::icase);
std::smatch match;
if (std::regex_search(fname, match, regex)) {
return std::stoi(match[1]);
} else {
throw std::domain_error("Couldn't find desired expression in string: " + fname);
}
}
std::string catch_path(std::string path) {
auto start = path.find("catch");
// try capitalized instead
if (start == std::string::npos) {
start = path.find("Catch");
}
if (start == std::string::npos) {
throw std::domain_error("Couldn't find Catch's base path");
}
auto end = path.find_first_of("\\/", start);
return path.substr(0, end);
}
std::string windowsify_path(std::string path) {
for (auto& c : path) {
if (c == '/') {
c = '\\';
}
}
return path;
}
void exec_cmd(std::string const& cmd, int log_num, std::string const& path) {
std::array<char, 128> buffer;
#if defined(_WIN32)
auto real_cmd = "OpenCppCoverage --export_type binary:cov-report" + std::to_string(log_num)
+ ".bin --quiet " + "--sources " + path + " --cover_children -- " + cmd;
std::cout << "=== Marker ===: Cmd: " << real_cmd << '\n';
std::shared_ptr<FILE> pipe(_popen(real_cmd.c_str(), "r"), _pclose);
#else // Just for testing, in the real world we will always work under WIN32
(void)log_num; (void)path;
std::shared_ptr<FILE> pipe(popen(cmd.c_str(), "r"), pclose);
#endif
if (!pipe) {
throw std::runtime_error("popen() failed!");
}
while (!feof(pipe.get())) {
if (fgets(buffer.data(), 128, pipe.get()) != nullptr) {
std::cout << buffer.data();
}
}
}
// argv should be:
// [0]: our path
// [1]: "--log-file=<path>"
// [2]: "--sep--"
// [3]+: the actual command
int main(int argc, char** argv) {
std::vector<std::string> args(argv, argv + argc);
auto sep = std::find(begin(args), end(args), separator);
assert(sep - begin(args) == 2 && "Structure differs from expected!");
auto num = parse_log_file_arg(args[1]);
auto cmdline = std::accumulate(++sep, end(args), std::string{}, [] (const std::string& lhs, const std::string& rhs) {
return lhs + ' ' + rhs;
});
exec_cmd(cmdline, num, windowsify_path(catch_path(args[0])));
}