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-rw-r--r--nova/tests/scheduler/test_host_filters.py14
1 files changed, 14 insertions, 0 deletions
diff --git a/nova/tests/scheduler/test_host_filters.py b/nova/tests/scheduler/test_host_filters.py
index b1e1ec897..bc62ad6f1 100644
--- a/nova/tests/scheduler/test_host_filters.py
+++ b/nova/tests/scheduler/test_host_filters.py
@@ -1292,5 +1292,19 @@ class HostFiltersTestCase(test.TestCase):
filt_cls = self.class_map['IoOpsFilter']()
host = fakes.FakeHostState('host1', 'compute',
{'num_io_ops': 8})
+
+ def test_filter_num_instances_passes(self):
+ self.flags(max_instances_per_host=5)
+ filt_cls = self.class_map['NumInstancesFilter']()
+ host = fakes.FakeHostState('host1', 'compute',
+ {'num_instances': 4})
+ filter_properties = {}
+ self.assertTrue(filt_cls.host_passes(host, filter_properties))
+
+ def test_filter_num_instances_fails(self):
+ self.flags(max_instances_per_host=5)
+ filt_cls = self.class_map['NumInstancesFilter']()
+ host = fakes.FakeHostState('host1', 'compute',
+ {'num_instances': 5})
filter_properties = {}
self.assertFalse(filt_cls.host_passes(host, filter_properties))