def test_convert_to_vmdk_streamoptimized(self):
"""Convert a disk to vmdk streamOptimized sub-format."""
# Raw to stream-optimized vmdk
temp_disk = os.path.join(self.temp_dir, "foo.img")
try:
create_disk_image(temp_disk, capacity="16M")
except HelperNotFoundError as e:
self.fail(e.strerror)
try:
new_disk_path = convert_disk_image(temp_disk, self.temp_dir,
'vmdk', 'streamOptimized')
except HelperNotFoundError as e:
self.fail(e.strerror)
(f, sf) = get_disk_format(new_disk_path)
self.assertEqual(f, 'vmdk')
self.assertEqual(sf, 'streamOptimized')
# Non-stream-optimized to stream-optimized
temp_disk = os.path.join(self.temp_dir, "foo.vmdk")
create_disk_image(temp_disk, capacity="16M")
new_disk_path = convert_disk_image(temp_disk, self.temp_dir,
'vmdk', 'streamOptimized')
(f, sf) = get_disk_format(new_disk_path)
self.assertEqual(f, 'vmdk')
self.assertEqual(sf, 'streamOptimized')
def test_convert_no_work_needed(self):
"""Convert a disk to its own format."""
try:
new_disk_path = convert_disk_image(self.blank_vmdk, self.temp_dir,
'vmdk', 'streamOptimized')
# No change -> don't create a new disk but just return existing.
self.assertEqual(new_disk_path, self.blank_vmdk)
except HelperNotFoundError as e:
self.fail(e.strerror)
def test_convert_to_vmdk_streamoptimized_new_qemu(self):
"""Code flow for new QEMU version."""
COT.helpers.api.QEMUIMG._version = StrictVersion("2.1.0")
try:
temp_disk = os.path.join(self.temp_dir, "foo.qcow2")
create_disk_image(temp_disk, capacity="16M")
new_disk_path = convert_disk_image(temp_disk, self.temp_dir,
'vmdk', 'streamOptimized')
self.assertEqual(new_disk_path,
os.path.join(self.temp_dir, 'foo.vmdk'))
(f, sf) = get_disk_format(new_disk_path)
self.assertEqual(f, 'vmdk')
self.assertEqual(sf, 'streamOptimized')
except HelperNotFoundError as e:
self.fail(e.strerror)
finally:
COT.helpers.api.QEMUIMG._version = None
