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add stack event handling

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This commit is contained in:
Jakob Ketterl 2020-03-24 00:08:48 +01:00
parent c83d8580ba
commit d5c2f8414e
2 changed files with 38 additions and 4 deletions
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24
test/property/test_property_stack.py
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@ -41,3 +41,27 @@ class PropertyStackTest(TestCase):
self.assertEqual(om["testkey"], "high value")
om.removeLayer(high_pm)
self.assertEqual(om["testkey"], "low value")
def testPropertyChange(self):
layer = PropertyLayer()
stack = PropertyStack()
stack.addLayer(0, layer)
mock = Mock()
stack.wire(mock.method)
layer["testkey"] = "testvalue"
mock.method.assert_called_once_with("testkey", "testvalue")
def testPropertyChangeEventPriority(self):
low_layer = PropertyLayer()
high_layer = PropertyLayer()
low_layer["testkey"] = "initial low value"
high_layer["testkey"] = "initial high value"
stack = PropertyStack()
stack.addLayer(1, low_layer)
stack.addLayer(0, high_layer)
mock = Mock()
stack.wire(mock.method)
low_layer["testkey"] = "modified low value"
mock.method.assert_not_called()
high_layer["testkey"] = "modified high value"
mock.method.assert_called_once_with("testkey", "modified high value")