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Mini Shell
Mini Shell
#ifndef _TEST_SUPPORT_H_
#define _TEST_SUPPORT_H_
#include <sys/stat.h>
#include <sys/types.h>
#include <iostream>
#include <string>
#include <vector>
#include <exception>
#include <cstdio>
#include <cerrno>
#include <cstring>
#include <ctime>
#include <unistd.h>
#include <utime.h>
#include <oxt/thread.hpp>
#include <oxt/tracable_exception.hpp>
#include <uv.h>
#include "../tut/tut.h"
#include <ResourceLocator.h>
#include <InstanceDirectory.h>
#include <BackgroundEventLoop.h>
#include <Exceptions.h>
#include <ProcessManagement/Spawn.h>
#include <ProcessManagement/Utils.h>
#include <Utils.h>
#include <SystemTools/SystemTime.h>
#include <jsoncpp/json-forwards.h>
extern "C" {
struct ev_loop;
struct ev_async;
}
namespace Passenger {
class SafeLibev;
}
namespace TestSupport {
using namespace std;
using namespace Passenger;
using namespace oxt;
#define SHOW_EXCEPTION_BACKTRACE(code) \
do { \
try { \
code \
} catch (const tracable_exception &e) { \
cerr << e.what() << "\n" << e.backtrace(); \
throw; \
} \
} while (0)
#define EVENTUALLY2(deadlineMsec, sleepTimeMsec, code) \
do { \
unsigned long long deadlineTime = uv_hrtime() + deadlineMsec * 1000000ull; \
bool result = false; \
while (!result && uv_hrtime() < deadlineTime) { \
{ \
code \
} \
if (!result) { \
usleep(sleepTimeMsec * 1000ull); \
} \
} \
if (!result) { \
fail("EVENTUALLY(" #code ") failed"); \
} \
} while (0)
#define EVENTUALLY(deadlineSec, code) EVENTUALLY2(deadlineSec * 1000ull, 10, code)
#define SHOULD_NEVER_HAPPEN(deadlineMsec, code) \
do { \
unsigned long long deadlineTime = uv_hrtime() + deadlineMsec * 1000000ull; \
bool result = false; \
while (!result && uv_hrtime() < deadlineTime) { \
code \
if (!result) { \
usleep(10000); \
} \
} \
if (result) { \
fail("SHOULD_NEVER_HAPPEN(" #code ") failed"); \
} \
} while (0)
// Do not run some tests in the Vagrant development environment because
// they don't work over NFS.
#define DONT_RUN_IN_VAGRANT() \
do { \
if (getenv("PASSENGER_VAGRANT_ENVIRONMENT") != NULL) { \
return; \
} \
} while (false)
extern LoggingKit::Level defaultLogLevel;
extern ResourceLocator *resourceLocator;
extern Json::Value testConfig;
/**
* Create an instance directory with default parameters, suitable for unit testing.
*/
void createInstanceDir(InstanceDirectoryPtr &instanceDir);
/**
* Writes zeroes into the given file descriptor its buffer is full (i.e.
* the next write will block).
*
* @throws SystemException
*/
void writeUntilFull(int fd);
/**
* Returns whether 'str' contains the given substring.
*/
bool containsSubstring(const StaticString &str, const StaticString &substr);
/**
* Writes the given data into the given file.
*
* @throws FileSystemException
*/
void writeFile(const string &filename, const string &contents);
/**
* Touch the given file: create the file if it doesn't exist, update its
* timestamp if it does. If the <tt>timestamp</tt> argument is -1, then
* the current system time will be used, otherwise the given timestamp
* will be used.
*
* @throws FileSystemException
*/
void touchFile(const char *filename, time_t timestamp = (time_t) - 1);
/**
* Returns the name of the primary group of the given user.
*/
string getPrimaryGroupName(const string &username);
/**
* Class which creates a temporary directory of the given name, and deletes
* it upon destruction.
*/
class TempDir {
private:
string name;
bool ignoreRemoveErrors;
public:
TempDir(const string &name, bool _ignoreRemoveErrors = false) {
this->name = name;
if (mkdir(name.c_str(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH) != 0 && errno != EEXIST) {
int e = errno;
string message = "Cannot create directory '";
message.append(name);
message.append("'");
throw FileSystemException(message, e, name);
}
ignoreRemoveErrors = _ignoreRemoveErrors;
}
~TempDir() {
if (ignoreRemoveErrors) {
try {
removeDirTree(name);
} catch (const RuntimeException &) {
// Do nothing.
}
} else {
removeDirTree(name);
}
}
string getPath() const {
return name;
}
};
/**
* All test classes must derive from this base class.
*/
class TestBase {
public:
TestBase();
};
/**
* Creates a temporary copy of the given directory. This copy is deleted
* upon object destruction.
*/
class TempDirCopy {
private:
string dir;
public:
TempDirCopy(const string &source, const string &dest) {
dir = dest;
removeDirTree(dest);
char command[1024];
snprintf(command, sizeof(command), "cp -pR \"%s\" \"%s\"",
source.c_str(), dest.c_str());
runShellCommand(command);
}
~TempDirCopy() {
removeDirTree(dir);
}
};
/**
* Class which deletes the given file upon destruction.
*/
class DeleteFileEventually {
private:
string filename;
public:
DeleteFileEventually(const string &filename, bool deleteNow = true) {
this->filename = filename;
if (deleteNow) {
unlink(filename.c_str());
}
}
~DeleteFileEventually() {
unlink(filename.c_str());
}
};
/**
* Spawns a thread which will be interrupted and joined when this TempThread
* object is destroyed.
*/
class TempThread {
public:
oxt::thread thread;
bool joined;
TempThread(boost::function<void ()> func)
: thread(boost::bind(runAndPrintExceptions, func, true)),
joined(false)
{ }
~TempThread() {
if (!joined) {
thread.interrupt_and_join();
}
}
void join() {
thread.join();
joined = true;
}
};
class AtomicInt {
private:
mutable boost::mutex lock;
int val;
public:
AtomicInt() {
val = 0;
}
AtomicInt(int value) {
val = value;
}
AtomicInt(const AtomicInt &other) {
val = other.val;
}
int get() const {
boost::lock_guard<boost::mutex> l(lock);
return val;
}
void set(int value) {
boost::lock_guard<boost::mutex> l(lock);
val = value;
}
AtomicInt &operator=(int value) {
set(value);
return *this;
}
AtomicInt &operator++() {
boost::lock_guard<boost::mutex> l(lock);
val++;
return *this;
}
AtomicInt operator++(int) {
boost::lock_guard<boost::mutex> l(lock);
AtomicInt temp(*this);
val++;
return temp;
}
operator int() const {
return get();
}
};
} // namespace TestSupport
namespace tut {
using namespace TestSupport;
}
#endif /* _TEST_SUPPORT_H_ */
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