libcryfs/test/fspp/fuse/lstat/testutils/FuseLstatTest.h
2018-09-15 18:02:03 -07:00

44 lines
2.0 KiB
C++

#pragma once
#ifndef MESSMER_FSPP_TEST_FUSE_LSTAT_TESTUTILS_FUSELSTATTEST_H_
#define MESSMER_FSPP_TEST_FUSE_LSTAT_TESTUTILS_FUSELSTATTEST_H_
#include <string>
#include <functional>
#include <sys/stat.h>
#include "../../../testutils/FuseTest.h"
// This class offers some utility functions for testing lstat().
class FuseLstatTest: public FuseTest {
protected:
const char *FILENAME = "/myfile";
// Set up a temporary filesystem (using the fsimpl mock in FuseTest as filesystem implementation)
// and call the lstat syscall on the given (filesystem-relative) path.
void LstatPath(const std::string &path);
// Same as LstatPath above, but also return the result of the lstat syscall.
void LstatPath(const std::string &path, fspp::fuse::STAT *result);
// These two functions are the same as LstatPath above, but they don't fail the test when the lstat syscall
// crashes. Instead, they return the value of errno after calling ::lstat.
int LstatPathReturnError(const std::string &path);
int LstatPathReturnError(const std::string &path, fspp::fuse::STAT *result);
// You can specify an implementation, which can modify the (fspp::fuse::STAT *) result,
// our fuse mock filesystem implementation will then return this to fuse on an lstat call.
// This functions then set up a temporary filesystem with this mock, call lstat on a filesystem node
// and return the (fspp::fuse::STAT) returned from an lstat syscall to this filesystem.
fspp::fuse::STAT CallLstatWithImpl(std::function<void(fspp::fuse::STAT*)> implementation);
// These two functions are like CallLstatWithImpl, but they also modify the (fspp::fuse::STAT).st_mode
// field, so the node accessed is specified to be a file/directory.
fspp::fuse::STAT CallFileLstatWithImpl(std::function<void(fspp::fuse::STAT*)> implementation);
fspp::fuse::STAT CallDirLstatWithImpl(std::function<void(fspp::fuse::STAT*)> implementation);
private:
fspp::fuse::STAT CallLstatWithModeAndImpl(mode_t mode, std::function<void(fspp::fuse::STAT*)> implementation);
};
#endif