16 lines
577 B
Python
16 lines
577 B
Python
from unittest import TestCase
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from owrx.property import PropertyLayer, PropertyReadOnly, PropertyWriteError
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class PropertyReadOnlyTest(TestCase):
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def testPreventsWrites(self):
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layer = PropertyLayer()
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layer["testkey"] = "initial value"
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ro = PropertyReadOnly(layer)
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with self.assertRaises(PropertyWriteError):
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ro["testkey"] = "new value"
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with self.assertRaises(PropertyWriteError):
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ro["otherkey"] = "testvalue"
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self.assertEqual(ro["testkey"], "initial value")
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self.assertNotIn("otherkey", ro)
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