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Improve CliTest running of the file system

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This commit is contained in:
Sebastian Messmer 2018-09-07 19:54:01 -07:00
parent cef6b13317
commit afad6ee465
1 changed files with 45 additions and 25 deletions
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70
test/cryfs-cli/testutils/CliTest.h
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@ -60,47 +60,67 @@ public:
}
void EXPECT_RUN_ERROR(const std::vector<std::string>& args, const char* message, cryfs::ErrorCode errorCode) {
cpputils::CaptureStderrRAII capturedStderr;
int exit_code = run(args);
capturedStderr.EXPECT_MATCHES(message);
EXPECT_EQ(exitCode(errorCode), exit_code);
FilesystemOutput filesystem_output = _run_filesystem(args, boost::none);
EXPECT_EQ(exitCode(errorCode), filesystem_output.exit_code);
EXPECT_TRUE(std::regex_search(filesystem_output.stderr_, std::regex(message, std::regex::basic)));
}
void EXPECT_RUN_SUCCESS(const std::vector<std::string>& args, const boost::filesystem::path &mountDir) {
//TODO Make this work when run in background
ASSERT(std::find(args.begin(), args.end(), string("-f")) != args.end(), "Currently only works if run in foreground");
bool unmount_success = false;
std::thread unmountThread([&mountDir, &unmount_success] {
auto start = std::chrono::steady_clock::now();
int returncode = -1;
while (returncode != 0) {
if (std::chrono::steady_clock::now() - start > std::chrono::seconds(10)) {
return; // keep unmount_success = false
}
FilesystemOutput filesystem_output = _run_filesystem(args, mountDir);
EXPECT_EQ(0, filesystem_output.exit_code);
EXPECT_TRUE(std::regex_search(filesystem_output.stdout_, std::regex("Mounting filesystem")));
}
struct FilesystemOutput final {
int exit_code;
std::string stdout_;
std::string stderr_;
};
FilesystemOutput _run_filesystem(const std::vector<std::string>& args, const boost::optional<boost::filesystem::path>& mountDirForUnmounting) {
std::future<FilesystemOutput> filesystem_output = std::async(std::launch::async, [this, &args] {
testing::internal::CaptureStdout();
testing::internal::CaptureStderr();
int exit_code = run(args);
return FilesystemOutput {exit_code, testing::internal::GetCapturedStdout(), testing::internal::GetCapturedStderr()};
});
if (mountDirForUnmounting.is_initialized()) {
boost::filesystem::path mountDir = *mountDirForUnmounting;
std::future<bool> unmount_success = std::async(std::launch::async, [&mountDir] {
int returncode = -1;
while (returncode != 0) {
#if defined(__APPLE__)
returncode = cpputils::Subprocess::call(std::string("umount ") + mountDir.string().c_str() + " 2>/dev/null").exitcode;
returncode = cpputils::Subprocess::call(std::string("umount ") + mountDir.string().c_str() + " 2>/dev/null").exitcode;
#elif defined(_MSC_VER)
// Somehow this sleeping is needed to not deadlock. Race condition in mounting/unmounting?
// Somehow this sleeping is needed to not deadlock. Race condition in mounting/unmounting?
std::this_thread::sleep_for(std::chrono::milliseconds(50));
std::wstring mountDir_ = std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>>().from_bytes(mountDir.string());
BOOL success = DokanRemoveMountPoint(mountDir_.c_str());
returncode = success ? 0 : -1;
#else
returncode = cpputils::Subprocess::call(std::string("fusermount -u ") + mountDir.string().c_str() + " 2>/dev/null").exitcode;
returncode = cpputils::Subprocess::call(std::string("fusermount -u ") + mountDir.string().c_str() + " 2>/dev/null").exitcode;
#endif
}
return true;
});
if(std::future_status::ready != unmount_success.wait_for(std::chrono::seconds(10))) {
throw std::runtime_error("Unmount thread didn't finish");
}
unmount_success = true;
});
testing::internal::CaptureStdout();
run(args);
std::string _stdout = testing::internal::GetCapturedStdout();
unmountThread.join();
EXPECT_TRUE(unmount_success.get()); // this also re-throws any potential exceptions
}
EXPECT_TRUE(unmount_success);
if(std::future_status::ready != filesystem_output.wait_for(std::chrono::seconds(10))) {
throw std::runtime_error("Filesystem thread didn't finish");
}
// For some reason, the following doesn't seem to work in MSVC. Possibly because of the multiline string?
// EXPECT_THAT(testing::internal::GetCapturedStdout(), testing::MatchesRegex(".*Mounting filesystem.*"));
EXPECT_TRUE(std::regex_search(_stdout, std::regex(".*Mounting filesystem.*")));
return filesystem_output.get();
}
};