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/*
* Created by Martin on 28/04/2018.
*
* Distributed under the Boost Software License, Version 1.0. (See accompanying
* file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
*/
#include "catch_output_redirect.h"
#include "catch_enforce.h"
#include <cstdio>
#include <cstring>
#include <fstream>
#include <sstream>
#include <stdexcept>
#if defined(CATCH_CONFIG_NEW_CAPTURE)
#if defined(_MSC_VER)
#include <io.h> //_dup and _dup2
#define dup _dup
#define dup2 _dup2
#define fileno _fileno
#else
#include <unistd.h> // dup and dup2
#endif
#endif
namespace Catch {
RedirectedStream::RedirectedStream( std::ostream& originalStream, std::ostream& redirectionStream )
: m_originalStream( originalStream ),
m_redirectionStream( redirectionStream ),
m_prevBuf( m_originalStream.rdbuf() )
{
m_originalStream.rdbuf( m_redirectionStream.rdbuf() );
}
RedirectedStream::~RedirectedStream() {
m_originalStream.rdbuf( m_prevBuf );
}
RedirectedStdOut::RedirectedStdOut() : m_cout( Catch::cout(), m_rss.get() ) {}
auto RedirectedStdOut::str() const -> std::string { return m_rss.str(); }
RedirectedStdErr::RedirectedStdErr()
: m_cerr( Catch::cerr(), m_rss.get() ),
m_clog( Catch::clog(), m_rss.get() )
{}
auto RedirectedStdErr::str() const -> std::string { return m_rss.str(); }
RedirectedStreams::RedirectedStreams(std::string& redirectedCout, std::string& redirectedCerr)
: m_redirectedCout(redirectedCout),
m_redirectedCerr(redirectedCerr)
{}
RedirectedStreams::~RedirectedStreams() {
m_redirectedCout += m_redirectedStdOut.str();
m_redirectedCerr += m_redirectedStdErr.str();
}
#if defined(CATCH_CONFIG_NEW_CAPTURE)
#if defined(_MSC_VER)
TempFile::TempFile() {
if (tmpnam_s(m_buffer)) {
CATCH_RUNTIME_ERROR("Could not get a temp filename");
}
if (fopen_s(&m_file, m_buffer, "w+")) {
char buffer[100];
if (strerror_s(buffer, errno)) {
CATCH_RUNTIME_ERROR("Could not translate errno to a string");
}
CATCH_RUNTIME_ERROR("Could not open the temp file: '" << m_buffer << "' because: " << buffer);
}
}
#else
TempFile::TempFile() {
m_file = std::tmpfile();
if (!m_file) {
CATCH_RUNTIME_ERROR("Could not create a temp file.");
}
}
#endif
TempFile::~TempFile() {
// TBD: What to do about errors here?
std::fclose(m_file);
// We manually create the file on Windows only, on Linux
// it will be autodeleted
#if defined(_MSC_VER)
std::remove(m_buffer);
#endif
}
FILE* TempFile::getFile() {
return m_file;
}
std::string TempFile::getContents() {
std::stringstream sstr;
char buffer[100] = {};
std::rewind(m_file);
while (std::fgets(buffer, sizeof(buffer), m_file)) {
sstr << buffer;
}
return sstr.str();
}
OutputRedirect::OutputRedirect(std::string& stdout_dest, std::string& stderr_dest) :
m_originalStdout(dup(1)),
m_originalStderr(dup(2)),
m_stdoutDest(stdout_dest),
m_stderrDest(stderr_dest) {
dup2(fileno(m_stdoutFile.getFile()), 1);
dup2(fileno(m_stderrFile.getFile()), 2);
}
OutputRedirect::~OutputRedirect() {
Catch::cout() << std::flush;
fflush(stdout);
// Since we support overriding these streams, we flush cerr
// even though std::cerr is unbuffered
Catch::cerr() << std::flush;
Catch::clog() << std::flush;
fflush(stderr);
dup2(m_originalStdout, 1);
dup2(m_originalStderr, 2);
m_stdoutDest += m_stdoutFile.getContents();
m_stderrDest += m_stderrFile.getContents();
}
#endif // CATCH_CONFIG_NEW_CAPTURE
} // namespace Catch
#if defined(CATCH_CONFIG_NEW_CAPTURE)
#if defined(_MSC_VER)
#undef dup
#undef dup2
#undef fileno
#endif
#endif
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