Fix unit test to have appropriate FakeHost
The unit test "test_get_host_details_without_az", which is added
in commit 8dd7a70a37
, sometimes failed.
This was because another test right above
"test_get_host_details_with_invalid_host" changes the FakeHost not
to have vcpus attribute, which results in InvalidHost exceptions
in following tests. This patch fixes it.
Change-Id: Ied0b486dc61b51d717d8c0894df065026c76e99f
Closes-Bug: #1780946
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@ -538,9 +538,13 @@ class NovaInventoryTestCase(tests.TestCase):
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self.inventory.get_host_details, 'wrong_name')
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def test_get_host_details_with_invalid_host(self):
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invalid_host = FakeNovaHypervisors.FakeHost
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# Create a new class from FakeHost called `invalid_host`,
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# which lacks the vcpus attribute.
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invalid_host = type('invalid_host',
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FakeNovaHypervisors.FakeHost.__bases__,
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dict(FakeNovaHypervisors.FakeHost.__dict__))
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del invalid_host.vcpus
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self.hypervisors_get.return_value = invalid_host
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self.hypervisors_get.side_effect = [invalid_host]
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self.assertRaises(manager_exceptions.InvalidHost,
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self.inventory.get_host_details, '1')
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