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#include "dbusconnectioneventloop.h"
#include <QtTest/QtTest>
class TestDbusQEventLoop: public QObject
{
Q_OBJECT
private:
DBusConnection* systemBus;
DBusConnection* sessionBus;
DBUSConnectionEventLoop* dbusEventLoop;
void resetValues() {
wasInNotifyFnc = 0;
responseString = 0;
responseInt = 0;
typeError = false;
noResponse = false;
timerTimeout = false;
}
void processQTEventLoop(DBusPendingCall* pending, int timeout) {
// Reset response values to zeros and reset errors
resetValues();
// Do we have something pending?
if (pending == NULL) {
qDebug("QTEventLoop: pending call is NULL!");
return;
}
MYDEBUGC("QTEventLoop: processing loop for %d ms", timeout);
// If we have some pending operation, let's get notification about result
dbus_pending_call_set_notify(pending, TestDbusQEventLoop::pendingNotify, this, NULL);
// Setup timeout timer
int activeTimer = startTimer(timeout);
// Pump QT event loop, but only until pending operation is not finished
while (!wasInNotifyFnc) {
QCoreApplication::processEvents(QEventLoop::AllEvents);
if (timerTimeout) {
MYDEBUGC("QTEventLoop: timeout elapsed!!");
return;
}
}
killTimer(activeTimer);
}
public:
int pongServerRunningSession;
int pongServerRunningSystem;
int wasInNotifyFnc;
const char* responseString;
uint32_t responseInt;
bool typeError;
bool noResponse;
bool timerTimeout;
TestDbusQEventLoop() {
resetValues();
}
protected:
void timerEvent(QTimerEvent *e) {
// Set timeout flag and kill timer
timerTimeout = true;
killTimer(e->timerId());
}
static void pendingNotify(DBusPendingCall *pending, void *user_data) {
MYDEBUG();
// Get pointer to main class
TestDbusQEventLoop* pThis = reinterpret_cast<TestDbusQEventLoop*>(user_data);
// Get message from pending call
DBusMessage* message = dbus_pending_call_steal_reply(pending);
DBusMessageIter args;
// Parse message
if (!dbus_message_iter_init(message, &args))
MYDEBUGC("Reply message has no arguments!");
else {
// Extract error message if is present
const char* error = dbus_message_get_error_name(message);
if (error != NULL) {
// Check if it is NoReply message
pThis->noResponse = (strcmp(error, "org.freedesktop.DBus.Error.NoReply") == 0);
}
// Get first argument
int argType = dbus_message_iter_get_arg_type(&args);
switch (argType) {
case DBUS_TYPE_STRING:
// Get string value
dbus_message_iter_get_basic(&args, &pThis->responseString);
// Display some debug info
if (error != NULL) {
MYDEBUGC("Got error [%s]: %s", error, pThis->responseString);
}
else {
MYDEBUGC("Got Reply: %s", pThis->responseString);
}
break;
case DBUS_TYPE_UINT32:
// Handle integer
dbus_message_iter_get_basic(&args, &pThis->responseInt);
// Display some debug info
MYDEBUGC("Got Reply: %d", pThis->responseInt);
break;
default:
// Set unknown type flag
pThis->typeError = true;
// Display some debug info
MYDEBUGC("Reply message argument has unsupported type (%d)!", argType);
}
}
// Free message if needed
if (message)
dbus_message_unref(message);
// Free pending call
dbus_pending_call_unref(pending);
// Set flag to end QEventLoop handler
pThis->wasInNotifyFnc = 1;
}
private slots:
void initTestCase() {
// First allocate and obtain
dbusEventLoop = new DBUSConnectionEventLoop();
systemBus = dbus_bus_get(DBUS_BUS_SYSTEM, NULL);
sessionBus = dbus_bus_get(DBUS_BUS_SESSION, NULL);;
// Last check, if server is running
pongServerRunningSystem = dbus_bus_name_has_owner(systemBus, "com.nokia.dbusqeventloop.test", NULL);
pongServerRunningSession = dbus_bus_name_has_owner(sessionBus, "com.nokia.dbusqeventloop.test", NULL);
// Create event loop ...
QVERIFY(dbusEventLoop != NULL);
QVERIFY(dbusEventLoop->addConnection(systemBus) == true);
QVERIFY(dbusEventLoop->addConnection(sessionBus) == true);
// Then test ... otherwise something don't have to be allocated (i.e. event loop)
QVERIFY(systemBus != NULL);
QVERIFY(sessionBus != NULL);
QVERIFY(pongServerRunningSystem != 0);
QVERIFY(pongServerRunningSession != 0);
}
void cleanupTestCase() {
// Create "quit" method call message
DBusMessage* message = dbus_message_new_method_call("com.nokia.dbusqeventloop.test", "/", NULL, "quit");
DBusPendingCall* pending;
QVERIFY(message != NULL);
// Set correct values to suppress fake errors if connection fails in initTestCase()
bool systemTimeout = false, sessionTimeout = false;
int systemResponse = 12345, sessionResponse = 12345;
// If pong server is running on system bus then send quit
if (pongServerRunningSystem) {
// Send the message
dbus_connection_send_with_reply(systemBus, message, &pending, 1000);
// Wait for response
processQTEventLoop(pending, 4000);
systemTimeout = timerTimeout;
systemResponse = responseInt;
}
// If pong server is running on session bus then send quit
if (pongServerRunningSession) {
// Send the message
dbus_connection_send_with_reply(sessionBus, message, &pending, 1000);
// Wait for response
processQTEventLoop(pending, 4000);
sessionTimeout = timerTimeout;
sessionResponse = responseInt;
}
// Free message, it is not necessary to test, QVERIFY upper will end function
dbus_message_unref(message);
// Cleanup allocated pointers
QVERIFY(dbusEventLoop != NULL);
if (dbusEventLoop) {
delete dbusEventLoop;
dbusEventLoop = NULL;
}
// Check if everything went well
QVERIFY(systemTimeout == false);
QVERIFY(systemResponse == 12345);
QVERIFY(sessionTimeout == false);
QVERIFY(sessionResponse == 12345);
}
void pingSystemBusTest() {
// Create message
DBusMessage* message = dbus_message_new_method_call("com.nokia.dbusqeventloop.test", "/", NULL, "ping");
QVERIFY(message != NULL);
// Add argument to message
const char* temp = "pekny kohutik co sa prechadza po svojom novom dvore a obzera si sliepocky";
dbus_message_append_args(message, DBUS_TYPE_STRING, &temp, DBUS_TYPE_INVALID);
DBusPendingCall* pending;
// Send the message
dbus_connection_send_with_reply(systemBus, message, &pending, 3000);
// Free message
dbus_message_unref(message);
// Process event loop
processQTEventLoop(pending, 4000);
// Check results
QVERIFY(timerTimeout == false);
QVERIFY(typeError == false);
QVERIFY(strcmp(temp, responseString) == 0);
}
void timeoutSystemBusTest() {
// Create message
DBusMessage* message = dbus_message_new_method_call("com.nokia.dbusqeventloop.test", "/", NULL, "timeout");
QVERIFY(message != NULL);
DBusPendingCall* pending;
// Send the message
dbus_connection_send_with_reply(systemBus, message, &pending, 1000);
// Free message
dbus_message_unref(message);
// Process event loop
processQTEventLoop(pending, 3000);
// Check results
QVERIFY(timerTimeout == false);
QVERIFY(noResponse == true);
QVERIFY(typeError == false);
// Small pause to process reply
sleep(1);
}
void pingSessionBusTest() {
// Create message
DBusMessage* message = dbus_message_new_method_call("com.nokia.dbusqeventloop.test", "/", NULL, "ping");
QVERIFY(message != NULL);
// Add argument to message
const char* temp = "pekny kohutik co sa prechadza po svojom novom dvore a obzera si sliepocky";
dbus_message_append_args(message, DBUS_TYPE_STRING, &temp, DBUS_TYPE_INVALID);
DBusPendingCall* pending;
// Send the message
dbus_connection_send_with_reply(sessionBus, message, &pending, 3000);
// Free message
dbus_message_unref(message);
// Process event loop
processQTEventLoop(pending, 4000);
// Check results
QVERIFY(timerTimeout == false);
QVERIFY(typeError == false);
QVERIFY(strcmp(temp, responseString) == 0);
}
void timeoutSessionBusTest() {
// Create message
DBusMessage* message = dbus_message_new_method_call("com.nokia.dbusqeventloop.test", "/", NULL, "timeout");
QVERIFY(message != NULL);
DBusPendingCall* pending;
// Send the message
dbus_connection_send_with_reply(sessionBus, message, &pending, 1000);
// Free message
dbus_message_unref(message);
// Process event loop
processQTEventLoop(pending, 3000);
// Check results
QVERIFY(timerTimeout == false);
QVERIFY(noResponse == true);
QVERIFY(typeError == false);
// Small pause to process reply
sleep(1);
}
};
QTEST_MAIN(TestDbusQEventLoop)
#include "test-dbus-qeventloop.moc"
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