mosesdecoder/util/file_piece_test.cc
Kenneth Heafield a70d37e46f KenLM 7408730be415db9b650560a8b2bd3e4e3af49ec9.
unistd.hh is dead.
2015-05-19 15:27:30 -04:00

155 lines
4.7 KiB
C++

// Tests might fail if you have creative characters in your path. Sue me.
#include "util/file_piece.hh"
#include "util/fake_ofstream.hh"
#include "util/file.hh"
#include "util/scoped.hh"
#define BOOST_TEST_MODULE FilePieceTest
#include <boost/test/unit_test.hpp>
#include <fstream>
#include <iostream>
#include <cstdio>
#include <sys/types.h>
#include <sys/stat.h>
namespace util {
namespace {
std::string FileLocation() {
if (boost::unit_test::framework::master_test_suite().argc < 2) {
return "file_piece.cc";
}
std::string ret(boost::unit_test::framework::master_test_suite().argv[1]);
return ret;
}
/* istream */
BOOST_AUTO_TEST_CASE(IStream) {
std::fstream ref(FileLocation().c_str(), std::ios::in);
std::fstream backing(FileLocation().c_str(), std::ios::in);
FilePiece test(backing);
std::string ref_line;
while (getline(ref, ref_line)) {
StringPiece test_line(test.ReadLine());
BOOST_CHECK_EQUAL(ref_line, test_line);
}
BOOST_CHECK_THROW(test.get(), EndOfFileException);
BOOST_CHECK_THROW(test.get(), EndOfFileException);
}
/* mmap implementation */
BOOST_AUTO_TEST_CASE(MMapReadLine) {
std::fstream ref(FileLocation().c_str(), std::ios::in);
FilePiece test(FileLocation().c_str(), NULL, 1);
std::string ref_line;
while (getline(ref, ref_line)) {
StringPiece test_line(test.ReadLine());
// I submitted a bug report to ICU: http://bugs.icu-project.org/trac/ticket/7924
if (!test_line.empty() || !ref_line.empty()) {
BOOST_CHECK_EQUAL(ref_line, test_line);
}
}
BOOST_CHECK_THROW(test.get(), EndOfFileException);
}
#if !defined(_WIN32) && !defined(_WIN64) && !defined(__APPLE__)
/* Apple isn't happy with the popen, fileno, dup. And I don't want to
* reimplement popen. This is an issue with the test.
*/
/* read() implementation */
BOOST_AUTO_TEST_CASE(StreamReadLine) {
std::fstream ref(FileLocation().c_str(), std::ios::in);
std::string popen_args = "cat \"";
popen_args += FileLocation();
popen_args += '"';
FILE *catter = popen(popen_args.c_str(), "r");
BOOST_REQUIRE(catter);
FilePiece test(dup(fileno(catter)), "file_piece.cc", NULL, 1);
std::string ref_line;
while (getline(ref, ref_line)) {
StringPiece test_line(test.ReadLine());
// I submitted a bug report to ICU: http://bugs.icu-project.org/trac/ticket/7924
if (!test_line.empty() || !ref_line.empty()) {
BOOST_CHECK_EQUAL(ref_line, test_line);
}
}
BOOST_CHECK_THROW(test.get(), EndOfFileException);
BOOST_REQUIRE(!pclose(catter));
}
#endif
#ifdef HAVE_ZLIB
// gzip file
BOOST_AUTO_TEST_CASE(PlainZipReadLine) {
std::string location(FileLocation());
std::fstream ref(location.c_str(), std::ios::in);
std::string command("gzip <\"");
command += location + "\" >\"" + location + "\".gz";
BOOST_REQUIRE_EQUAL(0, system(command.c_str()));
FilePiece test((location + ".gz").c_str(), NULL, 1);
unlink((location + ".gz").c_str());
std::string ref_line;
while (getline(ref, ref_line)) {
StringPiece test_line(test.ReadLine());
// I submitted a bug report to ICU: http://bugs.icu-project.org/trac/ticket/7924
if (!test_line.empty() || !ref_line.empty()) {
BOOST_CHECK_EQUAL(ref_line, test_line);
}
}
BOOST_CHECK_THROW(test.get(), EndOfFileException);
}
// gzip stream. Apple doesn't like popen, fileno, dup. This is an issue with
// the test.
#if !defined __APPLE__ && !defined __MINGW32__
BOOST_AUTO_TEST_CASE(StreamZipReadLine) {
std::fstream ref(FileLocation().c_str(), std::ios::in);
std::string command("gzip <\"");
command += FileLocation() + "\"";
FILE * catter = popen(command.c_str(), "r");
BOOST_REQUIRE(catter);
FilePiece test(dup(fileno(catter)), "file_piece.cc.gz", NULL, 1);
std::string ref_line;
while (getline(ref, ref_line)) {
StringPiece test_line(test.ReadLine());
// I submitted a bug report to ICU: http://bugs.icu-project.org/trac/ticket/7924
if (!test_line.empty() || !ref_line.empty()) {
BOOST_CHECK_EQUAL(ref_line, test_line);
}
}
BOOST_CHECK_THROW(test.get(), EndOfFileException);
BOOST_REQUIRE(!pclose(catter));
}
#endif // __APPLE__
#endif // HAVE_ZLIB
BOOST_AUTO_TEST_CASE(Numbers) {
scoped_fd file(MakeTemp(FileLocation()));
const float floating = 3.2;
{
util::FakeOFStream writing(file.get());
writing << "94389483984398493890287 " << floating << " 5";
}
SeekOrThrow(file.get(), 0);
util::FilePiece f(file.release());
BOOST_CHECK_THROW(f.ReadULong(), ParseNumberException);
BOOST_CHECK_EQUAL("94389483984398493890287", f.ReadDelimited());
// Yes, exactly equal. Isn't double-conversion wonderful?
BOOST_CHECK_EQUAL(floating, f.ReadFloat());
BOOST_CHECK_EQUAL(5, f.ReadULong());
}
} // namespace
} // namespace util