79 lines
2.5 KiB
Python
79 lines
2.5 KiB
Python
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from unittest import TestCase
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from unittest.mock import Mock
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from owrx.property import PropertyCarousel, PropertyLayer, PropertyDeleted
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class PropertyCarouselTest(TestCase):
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def testInitiallyEmpty(self):
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pc = PropertyCarousel()
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with self.assertRaises(KeyError):
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x = pc["testkey"]
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def testPropertyAccess(self):
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pc = PropertyCarousel()
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pl = PropertyLayer(testkey="testvalue")
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pc.addLayer("test", pl)
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pc.switch("test")
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self.assertEqual(pc["testkey"], "testvalue")
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def testWriteAccess(self):
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pc = PropertyCarousel()
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pl = PropertyLayer(testkey="old_value")
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pc.addLayer("test", pl)
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pc.switch("test")
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pc["testkey"] = "new_value"
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self.assertEqual(pc["testkey"], "new_value")
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self.assertEqual(pl["testkey"], "new_value")
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def testForwardsEvents(self):
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pc = PropertyCarousel()
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pl = PropertyLayer(testkey="old_value")
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pc.addLayer("test", pl)
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pc.switch("test")
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mock = Mock()
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pc.wire(mock.method)
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pc["testkey"] = "new_value"
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mock.method.assert_called_once_with({"testkey": "new_value"})
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def testStopsForwardingAfterSwitch(self):
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pc = PropertyCarousel()
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pl_x = PropertyLayer(testkey="old_value")
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pc.addLayer("x", pl_x)
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pl_y = PropertyLayer(testkey="new_value")
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pc.addLayer("y", pl_y)
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pc.switch("x")
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pc.switch("y")
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mock = Mock()
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pc.wire(mock.method)
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pl_x["testkey"] = "new_value"
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mock.method.assert_not_called()
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def testEventsOnSwitch(self):
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pc = PropertyCarousel()
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pl_x = PropertyLayer(old_key="old_value")
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pc.addLayer("x", pl_x)
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pl_y = PropertyLayer(new_key="new_value")
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pc.addLayer("y", pl_y)
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pc.switch("x")
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mock = Mock()
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pc.wire(mock.method)
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pc.switch("y")
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mock.method.assert_called_once_with({"old_key": PropertyDeleted, "new_key": "new_value"})
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def testNoEventsIfKeysDontChange(self):
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pc = PropertyCarousel()
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pl_x = PropertyLayer(testkey="same_value")
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pc.addLayer("x", pl_x)
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pl_y = PropertyLayer(testkey="same_value")
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pc.addLayer("y", pl_y)
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pc.switch("x")
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mock = Mock()
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pc.wire(mock.method)
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pc.switch("y")
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mock.method.assert_not_called()
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def testKeyErrorOnInvalidSwitch(self):
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pc = PropertyCarousel()
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with self.assertRaises(KeyError):
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pc.switch("doesntmatter")
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