Split signal tests into gui and core tests

Can't use a QApplication and a QCoreApplication in
the same process

tests/signals/lambda_gui_test.py

@@ -0,0 +1,38 @@
+
+'''Connecting lambda to gui signals'''
+
+import unittest
+
+from PySide.QtCore import QObject, SIGNAL
+
+try:
+    from PySide.QtGui import QSpinBox, QPushButton
+except ImportError:
+    pass
+
+from helper import UsesQApplication
+from helper import decorators
+
+
+@decorators.requires('PySide.QtGui')
+class QtGuiSigLambda(UsesQApplication):
+
+    def testButton(self):
+        #Connecting a lambda to a QPushButton.clicked()
+        obj = QPushButton('label')
+        QObject.connect(obj, SIGNAL('clicked()'),
+                        lambda: setattr(obj, 'called', True))
+        obj.click()
+        self.assert_(obj.called)
+
+    def testSpinButton(self):
+        #Connecting a lambda to a QPushButton.clicked()
+        obj = QSpinBox()
+        arg = 444
+        QObject.connect(obj, SIGNAL('valueChanged(int)'),
+                        lambda x: setattr(obj, 'arg', 444))
+        obj.setValue(444)
+        self.assertEqual(obj.arg, arg)
+
+if __name__ == '__main__':
+    unittest.main()