libcryfs/test/fspp/fuse/readDir/testutils/FuseReadDirTest.cpp

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#include "FuseReadDirTest.h"
using cpputils::unique_ref;
using cpputils::make_unique_ref;
using std::vector;
using std::string;
using ::testing::Action;
using ::testing::Return;
unique_ref<vector<string>> FuseReadDirTest::ReadDir(const char *dirname) {
auto fs = TestFS();
DIR *dir = openDir(fs.get(), dirname);
auto result = make_unique_ref<vector<string>>();
readDirEntries(dir, result.get());
closeDir(dir);
return result;
}
int FuseReadDirTest::ReadDirReturnError(const char *dirname) {
auto fs = TestFS();
errno = 0;
DIR *dir = openDirAllowError(fs.get(), dirname);
EXPECT_EQ(errno!=0, dir==nullptr) << "errno should exactly be != 0 if opendir returned nullptr";
if (errno != 0) {
return errno;
}
auto result = make_unique_ref<vector<string>>();
int error = readDirEntriesAllowError(dir, result.get());
closeDir(dir);
return error;
}
DIR *FuseReadDirTest::openDir(TempTestFS *fs, const char *dirname) {
DIR *dir = openDirAllowError(fs, dirname);
EXPECT_NE(nullptr, dir) << "Opening directory failed";
return dir;
}
DIR *FuseReadDirTest::openDirAllowError(TempTestFS *fs, const char *dirname) {
auto realpath = fs->mountDir() / dirname;
return ::opendir(realpath.c_str());
}
void FuseReadDirTest::readDirEntries(DIR *dir, vector<string> *result) {
int error = readDirEntriesAllowError(dir, result);
EXPECT_EQ(0, error);
}
int FuseReadDirTest::readDirEntriesAllowError(DIR *dir, vector<string> *result) {
struct dirent *entry = nullptr;
int error = readNextDirEntryAllowError(dir, &entry);
if (error != 0) {
return error;
}
while(entry != nullptr) {
result->push_back(entry->d_name);
int error = readNextDirEntryAllowError(dir, &entry);
if (error != 0) {
return error;
}
}
return 0;
}
int FuseReadDirTest::readNextDirEntryAllowError(DIR *dir, struct dirent **result) {
errno = 0;
*result = ::readdir(dir);
return errno;
}
void FuseReadDirTest::closeDir(DIR *dir) {
int retval = ::closedir(dir);
EXPECT_EQ(0, retval) << "Closing dir failed";
}
Action<vector<fspp::Dir::Entry>*(const char*)> FuseReadDirTest::ReturnDirEntries(vector<std::string> entries) {
vector<fspp::Dir::Entry> *direntries = new vector<fspp::Dir::Entry>(entries.size(), fspp::Dir::Entry(fspp::Dir::EntryType::FILE, ""));
for(unsigned int i = 0; i < entries.size(); ++i) {
(*direntries)[i].name = entries[i];
}
return Return(direntries);
}