Tests for system and network aggregate pollsters

In hardware pollsters, no test is available for
verifying systems statistics and network aggregate
related meters. This patch adds tests for both.

Change-Id: I57a66181622be3f27b5d0e6e3e446df159db84a0
Closes-Bug: #1390786

ceilometer/tests/hardware/pollsters/base.py

@@ -40,6 +40,11 @@ class FakeInspector(inspector_base.Inspector):
         'network.outgoing.errors': (1, net_metadata, {}),
         'disk.size.total': (1000, disk_metadata, {}),
         'disk.size.used': (90, disk_metadata, {}),
+        'system_stats.cpu.idle': (62, {}, {}),
+        'system_stats.io.outgoing.blocks': (100, {}, {}),
+        'system_stats.io.incoming.blocks': (120, {}, {}),
+        'network.ip.outgoing.datagrams': (200, {}, {}),
+        'network.ip.incoming.datagrams': (300, {}, {}),
     }
 
     def inspect_generic(self, host, identifier, cache, extra_metadata=None):

ceilometer/tests/hardware/pollsters/test_network_aggregated.py

@@ -0,0 +1,31 @@
+# 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 ceilometer.hardware.pollsters import network_aggregated
+from ceilometer import sample
+from ceilometer.tests.hardware.pollsters import base
+
+
+class TestNetworkAggregatedPollsters(base.TestPollsterBase):
+    def test_incoming(self):
+        self._check_get_samples(network_aggregated.
+                                NetworkAggregatedIPOutRequests,
+                                'hardware.network.ip.outgoing.datagrams',
+                                200, sample.TYPE_CUMULATIVE,
+                                expected_unit='datagrams')
+
+    def test_outgoing(self):
+        self._check_get_samples(network_aggregated.
+                                NetworkAggregatedIPInReceives,
+                                'hardware.network.ip.incoming.datagrams',
+                                300, sample.TYPE_CUMULATIVE,
+                                expected_unit='datagrams')

ceilometer/tests/hardware/pollsters/test_system.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 ceilometer.hardware.pollsters import system
+from ceilometer import sample
+from ceilometer.tests.hardware.pollsters import base
+
+
+class TestSystemPollsters(base.TestPollsterBase):
+    def test_cpu_idle(self):
+        self._check_get_samples(system.SystemCpuIdlePollster,
+                                'hardware.system_stats.cpu.idle',
+                                62, sample.TYPE_GAUGE,
+                                expected_unit='%')
+
+    def test_io_outgoing(self):
+        self._check_get_samples(system.SystemIORawSentPollster,
+                                'hardware.system_stats.io.outgoing.blocks',
+                                100, sample.TYPE_CUMULATIVE,
+                                expected_unit='blocks')
+
+    def test_io_incoming(self):
+        self._check_get_samples(system.SystemIORawReceivedPollster,
+                                'hardware.system_stats.io.incoming.blocks',
+                                120, sample.TYPE_CUMULATIVE,
+                                expected_unit='blocks')