diff options
Diffstat (limited to 'nova/tests')
| -rw-r--r-- | nova/tests/test_libvirt_blockinfo.py | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/nova/tests/test_libvirt_blockinfo.py b/nova/tests/test_libvirt_blockinfo.py index 23f846324..e8d548399 100644 --- a/nova/tests/test_libvirt_blockinfo.py +++ b/nova/tests/test_libvirt_blockinfo.py @@ -18,6 +18,7 @@ from nova import block_device from nova import context from nova import db +from nova import exception from nova import test import nova.tests.image.fake from nova.virt.libvirt import blockinfo @@ -394,3 +395,33 @@ class LibvirtBlockInfoTest(test.TestCase): 'root': {'bus': 'virtio', 'dev': 'vdf', 'type': 'disk'} } self.assertEqual(mapping, expect) + + def test_get_disk_bus(self): + bus = blockinfo.get_disk_bus_for_device_type('kvm') + self.assertEqual(bus, 'virtio') + + bus = blockinfo.get_disk_bus_for_device_type('kvm', + device_type='cdrom') + self.assertEqual(bus, 'ide') + + image_meta = {'properties': {'disk_bus': 'scsi'}} + bus = blockinfo.get_disk_bus_for_device_type('kvm', + image_meta) + self.assertEqual(bus, 'scsi') + + image_meta = {'properties': {'disk_bus': 'usb', + 'cdrom_bus': 'scsi'}} + bus = blockinfo.get_disk_bus_for_device_type('kvm', + image_meta, + device_type='cdrom') + self.assertEqual(bus, 'scsi') + + bus = blockinfo.get_disk_bus_for_device_type('kvm', + image_meta) + self.assertEqual(bus, 'usb') + + image_meta = {'properties': {'disk_bus': 'xen'}} + self.assertRaises(exception.NovaException, + blockinfo.get_disk_bus_for_device_type, + 'kvm', + image_meta) |