Have modified the Bar example, since the thread was never started. Sorry
for posting an incomplete example.
Anyway, now in this case, running the unittest gives:
FQThread: Destroyed while thread is still running
Segmentation fault
On 07/03/2012 09:43, Luca Beltrame wrote:
In data mercoledì 7 marzo 2012 09:37:38, Mads Ipsen ha scritto:
the Python unittest moudle. I have attached a few examples. If you have
time to take a look and comment, it would be great.
I have a question on FooTest: is having a QApplication instance enough in
unittest to ensure emission of signals? Otherwise your problem does not only
apply to using threads, but to any use of unittest with signals and slots.
* Hook up a slot which gets called when the thread finishes
As I said above, are signals emitted in the FooTest case? I ask because I've
been meaning to add unittest to my applications but I was not sure how to
handle the case of slots and signals.
* Start the event loop by calling QtGui.qApp.exec_()
I think I've tried this in the past and it didn't quite work for me.
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import time
from PyQt4 import QtCore, QtGui
class Thread(QtCore.QThread):
def __init__(self):
QtCore.QThread.__init__(self)
def run(self):
for i in range(10):
print i
time.sleep(0.1)
class Widget(QtGui.QWidget):
def __init__(self):
QtGui.QWidget.__init__(self)
self._finished = False
self._thread = Thread()
self.connect(self._thread, QtCore.SIGNAL('finished'), self.finished)
self._thread.start()
def finished(self):
self._finished = True
import unittest
import sys
import gc
from PyQt4 import QtCore, QtGui
# Must have an event handler running
QT_APP = QtGui.QApplication(sys.argv)
# Import the module that should be tested
from Bar import Widget
class BarTest(unittest.TestCase):
def setUp(self):
self._widget = Widget()
def tearDown(self):
del self._widget
gc.collect()
def testWidget(self):
""" Test that the object is OK """
self.assertTrue(isinstance(self._widget, Widget))
self.assertTrue(isinstance(self._widget, QtGui.QWidget))
def testThread(self):
""" Test that the thread finished """
self.assertTrue(self._widget._finished)
if __name__ == '__main__':
unittest.main()
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