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Viewing changes to nova/tests/test_xenapi.py

  • Committer: Cerberus
  • Date: 2011-05-11 19:41:39 UTC
  • mfrom: (1063 nova)
  • mto: This revision was merged to the branch mainline in revision 1082.
  • Revision ID: matt.dietz@rackspace.com-20110511194139-1vko8ss0l4auxslr
Merge from trunk

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nova/tests/test_xenapi.py
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"""Test suite for XenAPI."""
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import functools
 
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import json
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import os
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import re
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import stubout
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        self.fake_instance.image_id = glance_stubs.FakeGlance.IMAGE_VHD
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        self.fake_instance.kernel_id = None
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        self.assert_disk_type(vm_utils.ImageType.DISK_VHD)
 
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class FakeXenApi(object):
 
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    """Fake XenApi for testing HostState."""
 
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    class FakeSR(object):
 
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        def get_record(self, ref):
 
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            return {'virtual_allocation': 10000,
 
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                    'physical_utilisation': 20000}
 
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    SR = FakeSR()
 
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class FakeSession(object):
 
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    """Fake Session class for HostState testing."""
 
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    def async_call_plugin(self, *args):
 
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        return None
 
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    def wait_for_task(self, *args):
 
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        vm = {'total': 10,
 
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              'overhead': 20,
 
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              'free': 30,
 
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              'free-computed': 40}
 
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        return json.dumps({'host_memory': vm})
 
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    def get_xenapi(self):
 
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        return FakeXenApi()
 
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class HostStateTestCase(test.TestCase):
 
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    """Tests HostState, which holds metrics from XenServer that get
 
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    reported back to the Schedulers."""
 
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    def _fake_safe_find_sr(self, session):
 
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        """None SR ref since we're ignoring it in FakeSR."""
 
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        return None
 
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    def test_host_state(self):
 
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        self.stubs = stubout.StubOutForTesting()
 
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        self.stubs.Set(vm_utils, 'safe_find_sr', self._fake_safe_find_sr)
 
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        host_state = xenapi_conn.HostState(FakeSession())
 
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        stats = host_state._stats
 
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        self.assertEquals(stats['disk_total'], 10000)
 
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        self.assertEquals(stats['disk_used'], 20000)
 
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        self.assertEquals(stats['host_memory_total'], 10)
 
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        self.assertEquals(stats['host_memory_overhead'], 20)
 
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        self.assertEquals(stats['host_memory_free'], 30)
 
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        self.assertEquals(stats['host_memory_free_computed'], 40)