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- If unmounting doesn't work in test case, don't deadlock but exit with error

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This commit is contained in:
Sebastian Messmer 2018-09-07 05:01:21 -07:00
parent de3095a4d4
commit d8b66d0967
1 changed files with 22 additions and 5 deletions
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27
test/cryfs-cli/testutils/CliTest.h
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@ -62,28 +62,45 @@ public:
void EXPECT_RUN_ERROR(std::vector<const char*> args, const char* message, cryfs::ErrorCode errorCode) {
cpputils::CaptureStderrRAII capturedStderr;
int exit_code = run(args);
capturedStderr.EXPECT_MATCHES(string(".*") + message + ".*");
capturedStderr.EXPECT_MATCHES(message);
EXPECT_EQ(exitCode(errorCode), exit_code);
}
void EXPECT_RUN_SUCCESS(std::vector<const char*> 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");
std::thread unmountThread([&mountDir] {
bool unmount_success = false;
std::thread unmountThread([&mountDir, &unmount_success] {
auto start = std::chrono::steady_clock::now();
int returncode = -1;
while (returncode != 0) {
#ifdef __APPLE__
if (std::chrono::steady_clock::now() - start > std::chrono::seconds(10)) {
return; // keep unmount_success = false
}
#if defined(__APPLE__)
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?
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;
#endif
//std::this_thread::sleep_for(std::chrono::milliseconds(50)); // TODO Is this the test case duration? Does a shorter interval make the test case faster?
}
unmount_success = true;
});
testing::internal::CaptureStdout();
run(args);
std::string _stdout = testing::internal::GetCapturedStdout();
unmountThread.join();
EXPECT_THAT(testing::internal::GetCapturedStdout(), testing::MatchesRegex(".*Mounting filesystem.*"));
EXPECT_TRUE(unmount_success);
// 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.*")));
}
};