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Don't allow registering the same component twice.

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This commit is contained in:
Emil Stenström 2015-06-11 20:47:35 +02:00
parent 313852ce21
commit 00bd40aaaf
2 changed files with 11 additions and 0 deletions
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5
tests/test_registry.py
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@ -22,3 +22,8 @@ class ComponentRegistryTest(unittest.TestCase):
self.registry._registry.items(),
[("testcomponent", MockComponent), ("testcomponent2", MockComponent)]
)
def test_prevent_registering_twice(self):
self.registry.register(name="testcomponent", component=MockComponent)
with self.assertRaises(component.AlreadyRegistered):
self.registry.register(name="testcomponent", component=MockComponent)