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#include <apt-pkg/error.h>
#include <apt-pkg/dirstream.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; }
bool DoItem(Item &Itm,int &Fd) APT_OVERRIDE { (void)Itm; (void)Fd; count++; return true; }
bool Fail(Item &Itm,int Fd) APT_OVERRIDE { (void)Itm; (void)Fd; return true; }
bool FinishedFile(Item &Itm,int Fd) APT_OVERRIDE { (void)Itm; (void)Fd; return true; }
~Stream() {}
};
TEST(ExtractTar, ExtractTar)
{
FileFd tgz;
ASSERT_NE(nullptr, GetTempFile("extracttar", false, &tgz));
ASSERT_TRUE(tgz.Close());
ASSERT_FALSE(tgz.Name().empty());
// FIXME: We should do the right thing… but its a test and nobody will ever…
// Proposal: The first one who sees this assert fail will have to write a patch.
ASSERT_EQ(std::string::npos, tgz.Name().find('\''));
EXPECT_EQ(0, system(("tar c /etc/passwd 2>/dev/null | gzip > " + tgz.Name()).c_str()));
FileFd fd(tgz.Name(), FileFd::ReadOnly);
RemoveFile("ExtractTarTest", tgz.Name());
ASSERT_TRUE(fd.IsOpen());
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++) {
SCOPED_TRACE(i);
Stream stream;
fd.Seek(0);
tar.Go(stream);
if (_error->PendingError()) {
_error->DumpErrors();
EXPECT_FALSE(true);
}
EXPECT_EQ(stream.count, 1);
}
}
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