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#include "TestSupport.h"
#include "SpawnManager.h"
#include <sys/types.h>
#include <signal.h>
#include <cstring>
#include <unistd.h>
#include "valgrind.h"
using namespace Passenger;
namespace tut {
struct SpawnManagerTest {
ServerInstanceDirPtr serverInstanceDir;
ServerInstanceDir::GenerationPtr generation;
SpawnManagerPtr manager;
AccountsDatabasePtr accountsDatabase;
PoolOptions rackOptions;
SpawnManagerTest() {
createServerInstanceDirAndGeneration(serverInstanceDir, generation);
rackOptions.appRoot = "stub/rack";
rackOptions.appType = "rack";
}
void initialize() {
manager = ptr(new SpawnManager("../helper-scripts/passenger-spawn-server", generation,
accountsDatabase));
}
void sendTestRequest(SessionPtr &session, bool authenticate = true, const char *uri = "/foo/new") {
string headers;
#define ADD_HEADER(name, value) \
headers.append(name); \
headers.append(1, '\0'); \
headers.append(value); \
headers.append(1, '\0')
ADD_HEADER("HTTP_HOST", "www.test.com");
ADD_HEADER("QUERY_STRING", "");
ADD_HEADER("REQUEST_URI", uri);
ADD_HEADER("REQUEST_METHOD", "GET");
ADD_HEADER("REMOTE_ADDR", "localhost");
ADD_HEADER("SCRIPT_NAME", "");
ADD_HEADER("PATH_INFO", uri);
if (authenticate) {
ADD_HEADER("PASSENGER_CONNECT_PASSWORD", session->getConnectPassword());
}
session->sendHeaders(headers);
}
};
DEFINE_TEST_GROUP(SpawnManagerTest);
TEST_METHOD(1) {
// Spawning an application should return a valid Application object.
initialize();
ProcessPtr process = manager->spawn(rackOptions);
SessionPtr session = process->newSession();
sendTestRequest(session);
session->shutdownWriter();
string result = readAll(session->getStream());
ensure(result.find("hello <b>world</b>") != string::npos);
}
TEST_METHOD(2) {
// If something goes wrong during spawning, the spawn manager
// should be restarted and another (successful) spawn should be attempted.
initialize();
pid_t old_pid = manager->getServerPid();
manager->killSpawnServer();
// Give the spawn server the time to properly terminate.
usleep(500000);
ProcessPtr process = manager->spawn(rackOptions);
SessionPtr session = process->newSession();
sendTestRequest(session);
session->shutdownWriter();
string result = readAll(session->getStream());
ensure(result.find("hello <b>world</b>") != string::npos);
// The following test will fail if we're inside Valgrind, but that's normal.
// Killing the spawn server doesn't work there.
if (!RUNNING_ON_VALGRIND) {
ensure("The spawn server was restarted", manager->getServerPid() != old_pid);
}
}
class BuggySpawnManager: public SpawnManager {
protected:
virtual void spawnServerStarted() {
if (nextRestartShouldFail) {
nextRestartShouldFail = false;
killSpawnServer();
usleep(25000);
}
}
public:
bool nextRestartShouldFail;
BuggySpawnManager(const ServerInstanceDir::GenerationPtr &generation)
: SpawnManager("stub/spawn_server.rb", generation)
{
nextRestartShouldFail = false;
}
};
TEST_METHOD(3) {
// If the spawn server dies after a restart, a SpawnException should be thrown.
// This test fails in Valgrind, but that's normal.
// Killing the spawn server doesn't work there.
if (!RUNNING_ON_VALGRIND) {
BuggySpawnManager manager(generation);
manager.killSpawnServer();
// Give the spawn server the time to properly terminate.
usleep(250000);
try {
manager.nextRestartShouldFail = true;
ProcessPtr process = manager.spawn(rackOptions);
fail("SpawnManager did not throw a SpawnException");
} catch (const SpawnException &e) {
// Success.
}
}
}
TEST_METHOD(4) {
// The connect password is passed to the spawned application, which rejects
// sessions that aren't authenticated with the right password.
initialize();
ProcessPtr process = manager->spawn(rackOptions);
SessionPtr session = process->newSession();
sendTestRequest(session, false);
session->shutdownWriter();
string result = readAll(session->getStream());
ensure_equals(result, "");
}
TEST_METHOD(5) {
// It automatically creates a unique account for the application,
// which is deleted when no longer needed.
accountsDatabase = ptr(new AccountsDatabase());
initialize();
ProcessPtr process1 = manager->spawn(rackOptions);
vector<string> usernames1 = accountsDatabase->listUsernames();
ensure_equals(accountsDatabase->size(), 1u);
ProcessPtr process2 = manager->spawn(rackOptions);
vector<string> usernames2 = accountsDatabase->listUsernames();
ensure_equals(accountsDatabase->size(), 2u);
process1.reset();
ensure_equals(accountsDatabase->size(), 1u);
ensure_equals(accountsDatabase->get(usernames1[0]), AccountPtr());
process2.reset();
ensure_equals(accountsDatabase->size(), 0u);
}
}
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