import re
import json
import iotests
-from iotests import qemu_img, qemu_img_info
+from iotests import qemu_img, qemu_img_info, supports_qcow2_zstd_compression
import unittest
test_img = os.path.join(iotests.test_dir, 'test.img')
class TestQCow3NotLazy(TestQemuImgInfo):
'''Testing a qcow2 version 3 image with lazy refcounts disabled'''
- img_options = 'compat=1.1,lazy_refcounts=off,compression_type=zstd'
+ if supports_qcow2_zstd_compression():
+ compression_type = 'zstd'
+ else:
+ compression_type = 'zlib'
+
+ img_options = 'compat=1.1,lazy_refcounts=off'
+ img_options += f',compression_type={compression_type}'
json_compare = { 'compat': '1.1', 'lazy-refcounts': False,
'refcount-bits': 16, 'corrupt': False,
- 'compression-type': 'zstd', 'extended-l2': False }
- human_compare = [ 'compat: 1.1', 'compression type: zstd',
+ 'compression-type': compression_type, 'extended-l2': False }
+ human_compare = [ 'compat: 1.1', f'compression type: {compression_type}',
'lazy refcounts: false', 'refcount bits: 16',
'corrupt: false', 'extended l2: false' ]
class TestQCow3LazyQMP(TestQMP):
'''Testing a qcow2 version 3 image with lazy refcounts enabled, opening
with lazy refcounts disabled'''
- img_options = 'compat=1.1,lazy_refcounts=on,compression_type=zstd'
+ if supports_qcow2_zstd_compression():
+ compression_type = 'zstd'
+ else:
+ compression_type = 'zlib'
+
+ img_options = 'compat=1.1,lazy_refcounts=on'
+ img_options += f',compression_type={compression_type}'
qemu_options = 'lazy-refcounts=off'
compare = { 'compat': '1.1', 'lazy-refcounts': True,
'refcount-bits': 16, 'corrupt': False,
- 'compression-type': 'zstd', 'extended-l2': False }
+ 'compression-type': compression_type, 'extended-l2': False }
TestImageInfoSpecific = None
TestQemuImgInfo = None