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Add ProvidedInstance provider tests

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Roman Mogylatov 2021-01-31 10:41:53 -05:00
parent 5d99a6f674
commit 4c70644c82
1 changed files with 25 additions and 0 deletions
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25
tests/unit/providers/test_traversal_py3.py
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@ -727,3 +727,28 @@ class SelectorTests(unittest.TestCase):
self.assertIn(provider1, all_providers)
self.assertIn(provider2, all_providers)
self.assertIn(selector1, all_providers)
class ProvidedInstanceTests(unittest.TestCase):
def test_traverse(self):
provider1 = providers.Provider()
provider = provider1.provided
all_providers = list(provider.traverse())
self.assertEqual(len(all_providers), 1)
self.assertIn(provider1, all_providers)
def test_traverse_overridden(self):
provider1 = providers.Provider()
provider2 = providers.Provider()
provider = provider1.provided
provider.override(provider2)
all_providers = list(provider.traverse())
self.assertEqual(len(all_providers), 2)
self.assertIn(provider1, all_providers)
self.assertIn(provider2, all_providers)