class LogWindowController(object):
def __init__(self, runner, logWindow):
self.runner = runner
self.logWindow = logWindow
self.signal = StringSignal()
self.signal.get().connect(self.logWindow.appendMessage)
self.outputEmitter = None
self.errorEmitter = None
def runAsync(self):
if not self.runner.isRunning():
self.runner.executeAsync()
self.outputEmitter = GeneratorEmitter(self.runner.outputStream(), self.signal.get())
self.errorEmitter = GeneratorEmitter(self.runner.errorStream(), self.signal.get())
self.outputEmitter.start()
self.errorEmitter.start()
def run(self):
if not self.runner.isRunning():
self.runner.executeAsync()
self.outputEmitter = GeneratorEmitter(self.runner.outputStream(), self.signal.get())
self.errorEmitter = GeneratorEmitter(self.runner.errorStream(), self.signal.get())
self.outputEmitter.run()
self.errorEmitter.run()
def join(self):
output, error = self.runner.join()
if output:
self.signal.get().emit(output)
if error:
self.signal.get().emit(error)
self.outputEmitter.wait()
self.errorEmitter.wait()
def test_canEmitStringSignals(self):
self.received = False
sentMessage = 'Foobar'
def receive(s):
self.assertIsInstance(s, QString)
self.assertEqual(sentMessage, s)
self.received = True
signal = StringSignal()
signal.get().connect(receive)
signal.get().emit(sentMessage)
self.assertTrue(self.received)
def __init__(self, runner, logWindow):
self.runner = runner
self.logWindow = logWindow
self.signal = StringSignal()
self.signal.get().connect(self.logWindow.appendMessage)
self.outputEmitter = None
self.errorEmitter = None
def test_canEmitMessageFromSeparateThread(self):
signal = StringSignal()
window = LogWindow(None)
signal.get().connect(window.appendMessage)
class EmitterThread(QtCore.QThread):
def __init__(self, signal, args):
QtCore.QThread.__init__(self)
self.signal = signal
self.args = args
def run(self):
self.signal.emit(*self.args)
thread = EmitterThread(signal.get(), ['Foobar'])
thread.run()
thread.wait()
self.assertEqual('Foobar', window.toPlainText())
def test_differentInstancesAreIndependent(self):
messages1 = []
messages2 = []
def receive1(s):
messages1.append(str(s))
def receive2(s):
messages2.append(str(s))
signal1 = StringSignal()
signal2 = StringSignal()
signal1.get().connect(receive1)
signal2.get().connect(receive2)
signal1.get().emit('')
self.assertEqual(1, len(messages1))
self.assertEqual(0, len(messages2))
signal2.get().emit('')
self.assertEqual(1, len(messages1))
self.assertEqual(1, len(messages2))
def test_canConnectSignalToAppendMessageSlot(self):
signal = StringSignal()
window = LogWindow(None)
signal.get().connect(window.appendMessage)
signal.get().emit('Foobar')
self.assertEqual('Foobar', window.toPlainText())
