def setUp(self):
self.temperature = None
self.mediator = gui.mediator.Mediator()
self.system = ops.system.ProductionSystem(self.mediator)
self.handler = TemperatureEntryHandler(self.system)
# The widget needs to be in a window for some of the tests.
self.window = gtk.Window()
self.windowBox = gtk.HBox()
self.windowBox.pack_start(self.handler.box)
self.windowBox.pack_start(self.handler.button)
self.window.add(self.windowBox)
class TemperatureEntryHandlerTests(unittest.TestCase):
"""
Tests the :class:`~gui.calibration.entry.TemperatureEntryHandler` class.
"""
def setUp(self):
self.temperature = None
self.mediator = gui.mediator.Mediator()
self.system = ops.system.ProductionSystem(self.mediator)
self.handler = TemperatureEntryHandler(self.system)
# The widget needs to be in a window for some of the tests.
self.window = gtk.Window()
self.windowBox = gtk.HBox()
self.windowBox.pack_start(self.handler.box)
self.windowBox.pack_start(self.handler.button)
self.window.add(self.windowBox)
def _callback(self, temperature):
"""The callback sent along with synthetic temperature requests."""
self.temperature = temperature
def testGC(self):
"""Make sure the class is properly garbage-collected."""
wr = weakref.ref(self.handler)
self.handler = None
gc.collect()
self.assertEqual(wr(), None)
def testWidgets(self):
"""Tests the :attr:`box` and :attr:`button` properties."""
self.assertTrue(isinstance(self.handler.box, gtk.Widget))
self.assertRaises(AttributeError, setattr, self.handler, 'box', 0)
self.assertTrue(isinstance(self.handler.button, gtk.Widget))
self.assertRaises(AttributeError, setattr, self.handler, 'button', 0)
def testInitialInsensitivity(self):
"""Test that the widgets are initially insensitive."""
self.assertFalse(self.handler.box.get_property('sensitive'))
self.assertFalse(self.handler.button.get_property('sensitive'))
def testTemperatureRequest(self):
"""Tests the handling of temperature requests."""
self.mediator.noteEvent(
TemperatureRequested('dummy', self.system, self._callback))
self.assertTrue(self.handler._entry.is_focus())
self.assertTrue(self.handler.box.get_property('sensitive'))
self.assertFalse(self.handler.button.get_property('sensitive'))
def testTemperatureRequestOver(self):
"""Tests the handling of canceled temperature requests."""
self.mediator.noteEvent(
TemperatureRequested('dummy', self.system, self._callback))
self.mediator.noteEvent(
TemperatureRequestOver('dummy', self.system))
self.assertFalse(self.handler.box.get_property('sensitive'))
self.assertFalse(self.handler.button.get_property('sensitive'))
def testOkClicked(self):
"""Tests the :meth:`_okClicked` method."""
self.mediator.noteEvent(
TemperatureRequested('dummy', self.system, self._callback))
self.handler._entry.set_text('0123')
self.handler._buttonClicked('dummy')
self.assertEqual(self.temperature, 123)
def testOkSensitivity(self):
"""Tests that the OK button is only sensitive when its supposed to."""
self.assertFalse(self.handler.button.get_property('sensitive'))
tests = (
('500', True),
('-100', False),
('0890', True),
('0xA', False),
('1000.1', False),
('1000.', False),
('.5', False))
for text, result in tests:
self.handler._entry.set_text(text)
self.handler._textChanged(self.handler._entry)
self.assertEquals(
self.handler.button.get_property('sensitive'), result)
def testDefault(self):
"""Tests whether the :class:`gtk.Entry` can default."""
self.assertTrue(self.handler._entry.get_activates_default())
self.assertTrue(self.handler.button.get_property('has-default'))
def testPersistentDefault(self):
"""
Tests whether the :class:`gtk.Entry` regains the default after the
button has been temporarily removed from its window. (This test
results in a call to _hierarchyChanged.)
"""
self.windowBox.remove(self.handler.button)
self.assertFalse(self.handler.button.get_property('has-default'))
self.windowBox.add(self.handler.button)
self.assertTrue(self.handler.button.get_property('has-default'))