Merge "Add unit tests for the exact filters"

nova/tests/unit/scheduler/filters/test_exact_core_filter.py

@@ -0,0 +1,45 @@
+#    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.
+
+from nova.scheduler.filters import exact_core_filter
+from nova import test
+from nova.tests.unit.scheduler import fakes
+
+
+class TestExactCoreFilter(test.NoDBTestCase):
+
+    def setUp(self):
+        super(TestExactCoreFilter, self).setUp()
+        self.filt_cls = exact_core_filter.ExactCoreFilter()
+
+    def test_exact_core_filter_passes(self):
+        filter_properties = {'instance_type': {'vcpus': 1}}
+        host = self._get_host({'vcpus_total': 3, 'vcpus_used': 2})
+        self.assertTrue(self.filt_cls.host_passes(host, filter_properties))
+
+    def test_exact_core_filter_fails(self):
+        filter_properties = {'instance_type': {'vcpus': 2}}
+        host = self._get_host({'vcpus_total': 3, 'vcpus_used': 2})
+        self.assertFalse(self.filt_cls.host_passes(host, filter_properties))
+
+    def test_exact_core_filter_passes_no_instance_type(self):
+        filter_properties = {}
+        host = self._get_host({'vcpus_total': 3, 'vcpus_used': 2})
+        self.assertTrue(self.filt_cls.host_passes(host, filter_properties))
+
+    def test_exact_core_filter_fails_host_vcpus_not_set(self):
+        filter_properties = {'instance_type': {'vcpus': 1}}
+        host = self._get_host({})
+        self.assertFalse(self.filt_cls.host_passes(host, filter_properties))
+
+    def _get_host(self, host_attributes):
+        return fakes.FakeHostState('host1', 'node1', host_attributes)

nova/tests/unit/scheduler/filters/test_exact_disk_filter.py

@@ -0,0 +1,47 @@
+#    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.
+
+from nova.scheduler.filters import exact_disk_filter
+from nova import test
+from nova.tests.unit.scheduler import fakes
+
+
+class TestExactDiskFilter(test.NoDBTestCase):
+
+    def setUp(self):
+        super(TestExactDiskFilter, self).setUp()
+        self.filt_cls = exact_disk_filter.ExactDiskFilter()
+
+    def test_exact_disk_filter_passes(self):
+        filter_properties = {
+            'instance_type': {
+                'root_gb': 1,
+                'ephemeral_gb': 1,
+                'swap': 1024
+            }
+        }
+        host = self._get_host({'free_disk_mb': 3 * 1024})
+        self.assertTrue(self.filt_cls.host_passes(host, filter_properties))
+
+    def test_exact_disk_filter_fails(self):
+        filter_properties = {
+            'instance_type': {
+                'root_gb': 1,
+                'ephemeral_gb': 1,
+                'swap': 1024
+            }
+        }
+        host = self._get_host({'free_disk_mb': 2 * 1024})
+        self.assertFalse(self.filt_cls.host_passes(host, filter_properties))
+
+    def _get_host(self, host_attributes):
+        return fakes.FakeHostState('host1', 'node1', host_attributes)

nova/tests/unit/scheduler/filters/test_exact_ram_filter.py

@@ -0,0 +1,35 @@
+#    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.
+
+from nova.scheduler.filters import exact_ram_filter
+from nova import test
+from nova.tests.unit.scheduler import fakes
+
+
+class TestRamFilter(test.NoDBTestCase):
+
+    def setUp(self):
+        super(TestRamFilter, self).setUp()
+        self.filt_cls = exact_ram_filter.ExactRamFilter()
+
+    def test_exact_ram_filter_passes(self):
+        filter_properties = {'instance_type': {'memory_mb': 1024}}
+        host = self._get_host({'free_ram_mb': 1024})
+        self.assertTrue(self.filt_cls.host_passes(host, filter_properties))
+
+    def test_exact_ram_filter_fails(self):
+        filter_properties = {'instance_type': {'memory_mb': 512}}
+        host = self._get_host({'free_ram_mb': 1024})
+        self.assertFalse(self.filt_cls.host_passes(host, filter_properties))
+
+    def _get_host(self, host_attributes):
+        return fakes.FakeHostState('host1', 'node1', host_attributes)