def test_internals_1 (self):
test = NotifyTestObject ()
condition = Condition (False)
not_condition = ~condition
self.assert_(not not_condition._has_signal ())
not_condition.changed.connect (test.simple_handler)
self.assert_(not_condition._has_signal ())
def set_state_true ():
condition.state = True
condition.with_changes_frozen (set_state_true)
condition.state = False
not_condition.changed.disconnect (test.simple_handler)
self.collect_garbage ()
self.assert_(not not_condition._has_signal ())
not_condition.changed.connect (test.simple_handler)
self.assert_(not_condition._has_signal ())
condition.state = True
test.assert_results (False, True, False)
def test_garbage_collection_binary (self):
for _operator in (operator.__and__, operator.__or__, operator.__xor__):
test = NotifyTestObject ()
condition1 = Condition (True)
condition2 = Condition (False)
binary_condition = _operator (condition1, condition2)
binary_condition.store (test.simple_handler)
binary_condition = weakref.ref (binary_condition)
del condition1
self.collect_garbage ()
self.assertNotEqual (binary_condition (), None)
condition2.state = True
del condition2
self.collect_garbage ()
self.assertEqual (binary_condition (), None)
expected_results = []
for state1, state2 in ((True, False), (True, True)):
if not expected_results or expected_results[-1] != _operator (state1, state2):
expected_results.append (_operator (state1, state2))
test.assert_results (*expected_results)
def test_garbage_collection_if_else (self):
test = NotifyTestObject ()
condition1 = Condition (False)
condition2 = Condition (False)
condition3 = Condition (True)
if_else_condition = condition1.if_else (condition2, condition3)
if_else_condition.store (test.simple_handler)
if_else_condition = weakref.ref (if_else_condition)
del condition2
self.collect_garbage ()
self.assertNotEqual (if_else_condition (), None)
condition3.state = False
del condition1
self.collect_garbage ()
self.assertNotEqual (if_else_condition (), None)
condition3.state = True
del condition3
self.collect_garbage ()
self.assertEqual (if_else_condition (), None)
test.assert_results (True, False, True)
def test_garbage_collection_binary(self):
for _operator in (operator.__and__, operator.__or__, operator.__xor__):
test = NotifyTestObject()
condition1 = Condition(True)
condition2 = Condition(False)
binary_condition = _operator(condition1, condition2)
binary_condition.store(test.simple_handler)
binary_condition = weakref.ref(binary_condition)
del condition1
self.collect_garbage()
self.assertNotEqual(binary_condition(), None)
condition2.state = True
del condition2
self.collect_garbage()
self.assertEqual(binary_condition(), None)
expected_results = []
for state1, state2 in ((True, False), (True, True)):
if not expected_results or expected_results[-1] != _operator(
state1, state2):
expected_results.append(_operator(state1, state2))
test.assert_results(*expected_results)
def initialize(self):
self.__condition1 = Condition(False)
self.__condition2 = Condition(False)
self.__condition3 = Condition(False)
self.__condition4 = Condition(False)
self.__condition5 = Condition(False)
self.__compound_condition = ((self.__condition1
& self.__condition2).if_else(
self.__condition3, self.__condition4
| ~self.__condition5))
self.__compound_condition.changed.connect(_ignoring_handler)
def test_if_else_2 (self):
test = NotifyTestObject ()
condition1 = Condition (False)
condition2 = Condition (False)
condition3 = Condition (True)
if_else_condition = condition1.if_else (condition2, condition3)
if_else_condition.store (test.simple_handler)
condition1.state = True
test.assert_results (True, False)
def test_not (self):
test = NotifyTestObject ()
condition = Condition (False)
not_condition = ~condition
not_condition.store (test.simple_handler)
self.assertEqual (not_condition.state, True)
condition.state = True
self.assertEqual (not_condition.state, False)
test.assert_results (True, False)
def test_not(self):
test = NotifyTestObject()
condition = Condition(False)
not_condition = ~condition
not_condition.store(test.simple_handler)
self.assertEqual(not_condition.state, True)
condition.state = True
self.assertEqual(not_condition.state, False)
test.assert_results(True, False)
def test_watcher_condition_1(self):
test = NotifyTestObject()
watcher = WatcherCondition()
watcher.store(test.simple_handler)
condition = Condition(True)
watcher.watch(condition)
self.assert_(watcher.watched_condition is condition)
condition.state = False
test.assert_results(False, True, False)
def test_watcher_condition_1 (self):
test = NotifyTestObject ()
watcher = WatcherCondition ()
watcher.store (test.simple_handler)
condition = Condition (True)
watcher.watch (condition)
self.assert_(watcher.watched_condition is condition)
condition.state = False
test.assert_results (False, True, False)
def test_garbage_collection_if_else(self):
test = NotifyTestObject()
condition1 = Condition(False)
condition2 = Condition(False)
condition3 = Condition(True)
if_else_condition = condition1.if_else(condition2, condition3)
if_else_condition.store(test.simple_handler)
if_else_condition = weakref.ref(if_else_condition)
del condition2
self.collect_garbage()
self.assertNotEqual(if_else_condition(), None)
condition3.state = False
del condition1
self.collect_garbage()
self.assertNotEqual(if_else_condition(), None)
condition3.state = True
del condition3
self.collect_garbage()
self.assertEqual(if_else_condition(), None)
test.assert_results(True, False, True)
def test_referenced_signal(self):
test = NotifyTestObject()
condition = Condition(False)
signal = (~condition).changed
signal.connect(test.simple_handler)
condition.state = True
# This must not change anything. But current (at the time of test addition)
# implementation destroys the `not' condition despite the reference to its signal.
signal.disconnect(test.simple_handler)
signal.connect(test.simple_handler)
condition.state = False
test.assert_results(False, True)
def test_referenced_signal (self):
test = NotifyTestObject ()
condition = Condition (False)
signal = (~condition).changed
signal.connect (test.simple_handler)
condition.state = True
# This must not change anything. But current (at the time of test addition)
# implementation destroys the `not' condition despite the reference to its signal.
signal.disconnect (test.simple_handler)
signal.connect (test.simple_handler)
condition.state = False
test.assert_results (False, True)
def test_watcher_condition_2(self):
test = NotifyTestObject()
condition1 = Condition(True)
condition2 = Condition(False)
condition3 = Condition(False)
watcher = WatcherCondition(condition1)
watcher.store(test.simple_handler)
watcher.watch(condition2)
watcher.watch(condition3)
watcher.watch(None)
self.assert_(watcher.watched_condition is None)
# Last two watch() calls must not change watcher's state.
test.assert_results(True, False)
def test_derivation_slots (self):
DerivedCondition = AbstractCondition.derive_type ('DerivedCondition')
self.assertRaises (AttributeError,
self.non_existing_attribute_setter (DerivedCondition ()))
DerivedCondition = AbstractStateTrackingCondition.derive_type ('DerivedCondition')
self.assertRaises (AttributeError,
self.non_existing_attribute_setter (DerivedCondition (False)))
DerivedCondition = Condition.derive_type ('DerivedCondition')
self.assertRaises (AttributeError,
self.non_existing_attribute_setter (DerivedCondition (False)))
def test_internals_1(self):
test = NotifyTestObject()
condition = Condition(False)
not_condition = ~condition
self.assert_(not not_condition._has_signal())
not_condition.changed.connect(test.simple_handler)
self.assert_(not_condition._has_signal())
def set_state_true():
condition.state = True
condition.with_changes_frozen(set_state_true)
condition.state = False
not_condition.changed.disconnect(test.simple_handler)
self.collect_garbage()
self.assert_(not not_condition._has_signal())
not_condition.changed.connect(test.simple_handler)
self.assert_(not_condition._has_signal())
condition.state = True
test.assert_results(False, True, False)
def test_signal_garbage_collection(self):
test = NotifyTestObject()
condition1 = Condition(True)
condition2 = ~condition1
condition2.changed.connect(test.simple_handler)
# We also assume that `Not's condition signal can be weakly referenced, but I
# don't see other way...
signal = weakref.ref(condition2.changed)
condition1.state = False
test.assert_results(True)
condition1 = weakref.ref(condition1)
condition2 = weakref.ref(condition2)
self.collect_garbage()
self.assertEqual(condition1(), None)
self.assertEqual(condition2(), None)
self.assertEqual(signal(), None)
def test_signal_garbage_collection (self):
test = NotifyTestObject ()
condition1 = Condition (True)
condition2 = ~condition1
condition2.changed.connect (test.simple_handler)
# We also assume that `Not's condition signal can be weakly referenced, but I
# don't see other way...
signal = weakref.ref (condition2.changed)
condition1.state = False
test.assert_results (True)
condition1 = weakref.ref (condition1)
condition2 = weakref.ref (condition2)
self.collect_garbage ()
self.assertEqual (condition1 (), None)
self.assertEqual (condition2 (), None)
self.assertEqual (signal (), None)
def test_xor(self):
test = NotifyTestObject()
condition1 = Condition(False)
condition2 = Condition(False)
xor_condition = condition1 ^ condition2
xor_condition.store(test.simple_handler)
self.assertEqual(xor_condition.state, False)
condition1.state = True
condition2.state = False
self.assertEqual(xor_condition.state, True)
condition1.state = False
condition2.state = True
self.assertEqual(xor_condition.state, True)
condition1.state = True
condition2.state = True
self.assertEqual(xor_condition.state, False)
test.assert_results(False, True, False, True, False)
def test_garbage_collection_signal_referenced_1(self):
condition1 = Condition(True)
condition2 = ~condition1
signal = condition2.changed
condition2 = weakref.ref(condition2)
self.collect_garbage()
self.assertNotEqual(condition2(), None)
del condition1
self.collect_garbage()
self.assertEqual(condition2(), None)
def test_derivation_slots(self):
DerivedCondition = AbstractCondition.derive_type('DerivedCondition')
self.assertRaises(
AttributeError,
self.non_existing_attribute_setter(DerivedCondition()))
DerivedCondition = AbstractStateTrackingCondition.derive_type(
'DerivedCondition')
self.assertRaises(
AttributeError,
self.non_existing_attribute_setter(DerivedCondition(False)))
DerivedCondition = Condition.derive_type('DerivedCondition')
self.assertRaises(
AttributeError,
self.non_existing_attribute_setter(DerivedCondition(False)))
def test_mutable(self):
# This also stresses usage algorithm, as a bonus.
mutable_condition = Condition(False)
not_condition = ~mutable_condition
and_condition = not_condition & mutable_condition
or_condition = and_condition | not_condition
xor_condition = or_condition ^ and_condition
if_else_condition = or_condition.if_else(mutable_condition,
or_condition)
self.assert_(mutable_condition.mutable)
self.assert_(not not_condition.mutable)
self.assert_(not and_condition.mutable)
self.assert_(not or_condition.mutable)
self.assert_(not xor_condition.mutable)
self.assert_(not if_else_condition.mutable)
def test_if_else_2(self):
test = NotifyTestObject()
condition1 = Condition(False)
condition2 = Condition(False)
condition3 = Condition(True)
if_else_condition = condition1.if_else(condition2, condition3)
if_else_condition.store(test.simple_handler)
condition1.state = True
test.assert_results(True, False)
def test_xor (self):
test = NotifyTestObject ()
condition1 = Condition (False)
condition2 = Condition (False)
xor_condition = condition1 ^ condition2
xor_condition.store (test.simple_handler)
self.assertEqual (xor_condition.state, False)
condition1.state = True
condition2.state = False
self.assertEqual (xor_condition.state, True)
condition1.state = False
condition2.state = True
self.assertEqual (xor_condition.state, True)
condition1.state = True
condition2.state = True
self.assertEqual (xor_condition.state, False)
test.assert_results (False, True, False, True, False)
def test_garbage_collection_signal_referenced_2(self):
test = NotifyTestObject()
condition1 = Condition(True)
condition2 = ~condition1
signal = condition2.changed
signal.connect(test.simple_handler)
condition2 = weakref.ref(condition2)
self.collect_garbage()
self.assertNotEqual(condition2(), None)
signal.disconnect(test.simple_handler)
self.collect_garbage()
self.assertNotEqual(condition2(), None)
del signal
self.collect_garbage()
self.assertEqual(condition2(), None)
def test_derivation_module(self):
self.assertEqual(
Condition.derive_type('Test').__module__,
type(self).__module__)
def test_set(self):
test = NotifyTestObject()
condition = Condition(False)
condition.changed.connect(test.simple_handler)
condition.state = True
self.assertEqual(condition.state, True)
self.assertEqual(condition.get(), True)
condition.state = 1
self.assertEqual(condition.state, True)
self.assertEqual(condition.get(), True)
condition.state = 0
self.assertEqual(condition.state, False)
self.assertEqual(condition.get(), False)
condition.state = False
self.assertEqual(condition.state, False)
self.assertEqual(condition.get(), False)
condition.set('yes')
self.assertEqual(condition.state, True)
self.assertEqual(condition.get(), True)
condition.set(True)
self.assertEqual(condition.state, True)
self.assertEqual(condition.get(), True)
condition.set(False)
self.assertEqual(condition.state, False)
self.assertEqual(condition.get(), False)
condition.set(None)
self.assertEqual(condition.state, False)
self.assertEqual(condition.get(), False)
test.assert_results(True, False, True, False)
def test_if_else_1 (self):
test = NotifyTestObject ()
condition1 = Condition (False)
condition2 = Condition (False)
condition3 = Condition (False)
if_else_condition = condition1.if_else (condition2, condition3)
if_else_condition.store (test.simple_handler)
self.assertEqual (if_else_condition.state, False)
condition1.state = False
condition2.state = False
condition3.state = True
self.assertEqual (if_else_condition.state, True)
condition1.state = False
condition2.state = True
condition3.state = False
self.assertEqual (if_else_condition.state, False)
condition1.state = False
condition2.state = True
condition3.state = True
self.assertEqual (if_else_condition.state, True)
condition1.state = True
condition2.state = False
condition3.state = False
self.assertEqual (if_else_condition.state, False)
condition1.state = True
condition2.state = False
condition3.state = True
self.assertEqual (if_else_condition.state, False)
condition1.state = True
condition2.state = True
condition3.state = False
self.assertEqual (if_else_condition.state, True)
condition1.state = True
condition2.state = True
condition3.state = True
self.assertEqual (if_else_condition.state, True)
test.assert_results (False, True, False, True, False, True)
def test_set (self):
test = NotifyTestObject ()
condition = Condition (False)
condition.changed.connect (test.simple_handler)
condition.state = True
self.assertEqual (condition.state, True)
self.assertEqual (condition.get (), True)
condition.state = 1
self.assertEqual (condition.state, True)
self.assertEqual (condition.get (), True)
condition.state = 0
self.assertEqual (condition.state, False)
self.assertEqual (condition.get (), False)
condition.state = False
self.assertEqual (condition.state, False)
self.assertEqual (condition.get (), False)
condition.set ('yes')
self.assertEqual (condition.state, True)
self.assertEqual (condition.get (), True)
condition.set (True)
self.assertEqual (condition.state, True)
self.assertEqual (condition.get (), True)
condition.set (False)
self.assertEqual (condition.state, False)
self.assertEqual (condition.get (), False)
condition.set (None)
self.assertEqual (condition.state, False)
self.assertEqual (condition.get (), False)
test.assert_results (True, False, True, False)
def test_derivation_module (self):
self.assertEqual (Condition.derive_type ('Test').__module__, type (self).__module__)
def test_if_else_1(self):
test = NotifyTestObject()
condition1 = Condition(False)
condition2 = Condition(False)
condition3 = Condition(False)
if_else_condition = condition1.if_else(condition2, condition3)
if_else_condition.store(test.simple_handler)
self.assertEqual(if_else_condition.state, False)
condition1.state = False
condition2.state = False
condition3.state = True
self.assertEqual(if_else_condition.state, True)
condition1.state = False
condition2.state = True
condition3.state = False
self.assertEqual(if_else_condition.state, False)
condition1.state = False
condition2.state = True
condition3.state = True
self.assertEqual(if_else_condition.state, True)
condition1.state = True
condition2.state = False
condition3.state = False
self.assertEqual(if_else_condition.state, False)
condition1.state = True
condition2.state = False
condition3.state = True
self.assertEqual(if_else_condition.state, False)
condition1.state = True
condition2.state = True
condition3.state = False
self.assertEqual(if_else_condition.state, True)
condition1.state = True
condition2.state = True
condition3.state = True
self.assertEqual(if_else_condition.state, True)
test.assert_results(False, True, False, True, False, True)
def test_watcher_condition_error_3(self):
condition = Condition(True)
watcher = WatcherCondition(condition)
self.assertRaises(ValueError, lambda: watcher.watch(watcher))
self.assert_(watcher.watched_condition is condition)