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#include <apt-pkg/error.h>
#include <apt-pkg/extracttar.h>
#include <iostream>
#include <stdlib.h>
#include "assert.h"
#include <gtest/gtest.h>
class Stream : public pkgDirStream
{
public:
int count;
Stream () { count = 0; }
virtual bool DoItem(Item &Itm,int &Fd) { (void)Itm; (void)Fd; count++; return true; }
virtual bool Fail(Item &Itm,int Fd) { (void)Itm; (void)Fd; return true; }
virtual bool FinishedFile(Item &Itm,int Fd) { (void)Itm; (void)Fd; return true; }
virtual bool Process(Item &Itm,const unsigned char * Data, unsigned long Size,unsigned long Pos) { (void)Itm; (void) Data; (void) Size; (void) Pos; return true; }
virtual ~Stream() {}
};
TEST(ExtractTar, ExtractTar)
{
EXPECT_EQ(system("tar c /etc/passwd 2>/dev/null | gzip > tar.tgz"), 0);
FileFd fd("tar.tgz", FileFd::ReadOnly);
unlink("tar.tgz");
ExtractTar tar(fd, -1, "gzip");
// Run multiple times, because we want to check not only that extraction
// works, but also that it works multiple times (important for python-apt)
for (int i = 0; i < 5; i++) {
Stream stream;
fd.Seek(0);
tar.Go(stream);
if (_error->PendingError()) {
_error->DumpErrors();
EXPECT_FALSE(true);
}
EXPECT_EQ(stream.count, 1);
}
}