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[PATCH v4 4/4] tests/qemu-iotests: add case for block-stream compress
From: |
Andrey Shinkevich |
Subject: |
[PATCH v4 4/4] tests/qemu-iotests: add case for block-stream compress |
Date: |
Wed, 16 Oct 2019 19:28:53 +0300 |
Add a case to the iotest #030 that tests the 'compress' option for a
block-stream job.
Signed-off-by: Andrey Shinkevich <address@hidden>
---
tests/qemu-iotests/030 | 51 +++++++++++++++++++++++++++++++++++++++++++++-
tests/qemu-iotests/030.out | 4 ++--
2 files changed, 52 insertions(+), 3 deletions(-)
diff --git a/tests/qemu-iotests/030 b/tests/qemu-iotests/030
index f3766f2..f0f0e26 100755
--- a/tests/qemu-iotests/030
+++ b/tests/qemu-iotests/030
@@ -21,7 +21,8 @@
import time
import os
import iotests
-from iotests import qemu_img, qemu_io
+from iotests import qemu_img, qemu_io, qemu_img_pipe
+import json
backing_img = os.path.join(iotests.test_dir, 'backing.img')
mid_img = os.path.join(iotests.test_dir, 'mid.img')
@@ -956,6 +957,54 @@ class TestSetSpeed(iotests.QMPTestCase):
self.cancel_and_wait(resume=True)
+class TestCompressed(iotests.QMPTestCase):
+ test_img_init_size = 0
+
+ def setUp(self):
+ qemu_img('create', '-f', iotests.imgfmt, backing_img, '1M')
+ qemu_img('create', '-f', iotests.imgfmt, '-o',
+ 'backing_file=%s' % backing_img, mid_img)
+ qemu_img('create', '-f', iotests.imgfmt, '-o',
+ 'backing_file=%s' % mid_img, test_img)
+ qemu_io('-c', 'write -P 0x1 0 512k', backing_img)
+ top = json.loads(qemu_img_pipe('info', '--output=json', test_img))
+ self.test_img_init_size = top['actual-size']
+ self.vm = iotests.VM().add_drive(test_img, "backing.node-name=mid," +
+ "backing.backing.node-name=base," +
+ "compress=on")
+ self.vm.launch()
+
+ def tearDown(self):
+ self.vm.shutdown()
+ os.remove(test_img)
+ os.remove(mid_img)
+ os.remove(backing_img)
+
+ def test_stream_compress(self):
+ self.assert_no_active_block_jobs()
+
+ result = self.vm.qmp('block-stream', device='mid', job_id='stream-mid')
+ self.assert_qmp(result, 'return', {})
+
+ self.wait_until_completed(drive='stream-mid')
+ # Remove other 'JOB_STATUS_CHANGE' events for the job 'stream-mid'
+ self.vm.get_qmp_events(wait=True)
+
+ result = self.vm.qmp('block-stream', device='drive0',
+ job_id='stream-top')
+ self.assert_qmp(result, 'return', {})
+
+ self.wait_until_completed(drive='stream-top')
+ self.vm.shutdown()
+
+ top = json.loads(qemu_img_pipe('info', '--output=json', test_img))
+ mid = json.loads(qemu_img_pipe('info', '--output=json', mid_img))
+ base = json.loads(qemu_img_pipe('info', '--output=json', backing_img))
+
+ self.assertEqual(mid['actual-size'], base['actual-size'])
+ self.assertLess(top['actual-size'], mid['actual-size'])
+ self.assertLess(self.test_img_init_size, top['actual-size'])
+
if __name__ == '__main__':
iotests.main(supported_fmts=['qcow2', 'qed'],
supported_protocols=['file'])
diff --git a/tests/qemu-iotests/030.out b/tests/qemu-iotests/030.out
index 6d9bee1..af8dac1 100644
--- a/tests/qemu-iotests/030.out
+++ b/tests/qemu-iotests/030.out
@@ -1,5 +1,5 @@
-...........................
+............................
----------------------------------------------------------------------
-Ran 27 tests
+Ran 28 tests
OK
--
1.8.3.1
- [PATCH v4 0/4] qcow2: advanced compression options, Andrey Shinkevich, 2019/10/16
- [PATCH v4 4/4] tests/qemu-iotests: add case for block-stream compress,
Andrey Shinkevich <=
- [PATCH v4 3/4] tests/qemu-iotests: add case to write compressed data of multiple clusters, Andrey Shinkevich, 2019/10/16
- [PATCH v4 1/4] block: support compressed write at generic layer, Andrey Shinkevich, 2019/10/16
- [PATCH v4 2/4] qcow2: Allow writing compressed data of multiple clusters, Andrey Shinkevich, 2019/10/16
- Re: [PATCH v4 0/4] qcow2: advanced compression options, no-reply, 2019/10/16
- Re: [PATCH v4 0/4] qcow2: advanced compression options, no-reply, 2019/10/16