1 files changed, 67 insertions, 0 deletions
diff --git a/nova/tests/unit/scheduler/filters/test_pci_passthrough_filters.py b/nova/tests/unit/scheduler/filters/test_pci_passthrough_filters.py
new file mode 100644
index 0000000000..57dd5ebc02
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+++ b/nova/tests/unit/scheduler/filters/test_pci_passthrough_filters.py
@@ -0,0 +1,67 @@
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+import mock
+
+from nova import objects
+from nova.scheduler.filters import pci_passthrough_filter
+from nova import test
+from nova.tests.unit.scheduler import fakes
+
+
+class TestPCIPassthroughFilter(test.NoDBTestCase):
+
+    def setUp(self):
+        super(TestPCIPassthroughFilter, self).setUp()
+        self.filt_cls = pci_passthrough_filter.PciPassthroughFilter()
+
+    def test_pci_passthrough_pass(self):
+        pci_stats_mock = mock.MagicMock()
+        pci_stats_mock.support_requests.return_value = True
+        request = objects.InstancePCIRequest(count=1,
+            spec=[{'vendor_id': '8086'}])
+        requests = objects.InstancePCIRequests(requests=[request])
+        filter_properties = {'pci_requests': requests}
+        host = fakes.FakeHostState(
+            'host1', 'node1',
+            attribute_dict={'pci_stats': pci_stats_mock})
+        self.assertTrue(self.filt_cls.host_passes(host, filter_properties))
+        pci_stats_mock.support_requests.assert_called_once_with(
+            requests.requests)
+
+    def test_pci_passthrough_fail(self):
+        pci_stats_mock = mock.MagicMock()
+        pci_stats_mock.support_requests.return_value = False
+        request = objects.InstancePCIRequest(count=1,
+            spec=[{'vendor_id': '8086'}])
+        requests = objects.InstancePCIRequests(requests=[request])
+        filter_properties = {'pci_requests': requests}
+        host = fakes.FakeHostState(
+            'host1', 'node1',
+            attribute_dict={'pci_stats': pci_stats_mock})
+        self.assertFalse(self.filt_cls.host_passes(host, filter_properties))
+        pci_stats_mock.support_requests.assert_called_once_with(
+            requests.requests)
+
+    def test_pci_passthrough_no_pci_request(self):
+        filter_properties = {}
+        host = fakes.FakeHostState('h1', 'n1', {})
+        self.assertTrue(self.filt_cls.host_passes(host, filter_properties))
+
+    def test_pci_passthrough_compute_stats(self):
+        requests = [{'count': 1, 'spec': [{'vendor_id': '8086'}]}]
+        filter_properties = {'pci_requests': requests}
+        host = fakes.FakeHostState(
+            'host1', 'node1',
+            attribute_dict={})
+        self.assertRaises(AttributeError, self.filt_cls.host_passes,
+                          host, filter_properties)