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[Qemu-devel] [PATCH 5/5] iotest 030: add compressed block-stream test
From: |
Anton Nefedov |
Subject: |
[Qemu-devel] [PATCH 5/5] iotest 030: add compressed block-stream test |
Date: |
Tue, 14 Nov 2017 13:16:53 +0300 |
Signed-off-by: Anton Nefedov <address@hidden>
---
tests/qemu-iotests/030 | 69 +++++++++++++++++++++++++++++++++++++++++++++-
tests/qemu-iotests/030.out | 4 +--
2 files changed, 70 insertions(+), 3 deletions(-)
diff --git a/tests/qemu-iotests/030 b/tests/qemu-iotests/030
index 1883894..52cbe5d 100755
--- a/tests/qemu-iotests/030
+++ b/tests/qemu-iotests/030
@@ -21,7 +21,7 @@
import time
import os
import iotests
-from iotests import qemu_img, qemu_io
+from iotests import qemu_img, qemu_img_pipe, qemu_io
backing_img = os.path.join(iotests.test_dir, 'backing.img')
mid_img = os.path.join(iotests.test_dir, 'mid.img')
@@ -800,5 +800,72 @@ class TestSetSpeed(iotests.QMPTestCase):
self.cancel_and_wait()
+class TestCompressed(iotests.QMPTestCase):
+ supported_fmts = ['qcow2']
+ cluster_size = 64 * 1024;
+ image_len = 1 * 1024 * 1024;
+
+ def setUp(self):
+ qemu_img('create', backing_img, str(TestCompressed.image_len))
+ qemu_io('-f', 'raw', '-c', 'write -P 1 0 ' +
str(TestCompressed.image_len), backing_img)
+ qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' %
backing_img, test_img)
+
+ # write '4' in every 4th cluster
+ step=4
+ for i in range(TestCompressed.image_len / TestCompressed.cluster_size
/ step + 1):
+ qemu_io('-c', 'write -P %d %d %d' %
+ (step, step * i * TestCompressed.cluster_size,
+ TestCompressed.cluster_size),
+ test_img)
+
+ self.vm = iotests.VM().add_drive(test_img)
+ self.vm.launch()
+
+ def tearDown(self):
+ os.remove(test_img)
+ os.remove(backing_img)
+
+ def _pattern(self, x, divs):
+ return divs[-1] if not x%divs[-1] else self._pattern(x, divs[:-1])
+
+ def test_compressed(self):
+ self.assert_no_active_block_jobs()
+
+ result = self.vm.qmp('block-stream', device='drive0', compress=True)
+ if iotests.imgfmt not in TestCompressed.supported_fmts:
+ self.assert_qmp(
+ result, 'error/desc',
+ 'Compression is not supported for this drive drive0')
+ return
+ self.assert_qmp(result, 'return', {})
+
+ # write '2' in every 2nd cluster
+ step = 2
+ for i in range(TestCompressed.image_len / TestCompressed.cluster_size
/ step + 1):
+ result = self.vm.qmp('human-monitor-command',
+ command_line=
+ 'qemu-io drive0 \"write -P %d %d %d\"' %
+ (step, step * i * TestCompressed.cluster_size,
+ TestCompressed.cluster_size))
+ self.assert_qmp(result, 'return', "")
+
+ self.wait_until_completed()
+ self.assert_no_active_block_jobs()
+
+ self.vm.shutdown()
+
+ for i in range(TestCompressed.image_len / TestCompressed.cluster_size):
+ outp = qemu_io('-c', 'read -P %d %d %d' %
+ (self._pattern(i, [1,4,2]),
+ i * TestCompressed.cluster_size,
+ TestCompressed.cluster_size),
+ test_img)
+ self.assertTrue(not 'fail' in outp)
+ self.assertTrue('read' in outp and 'at offset' in outp)
+
+ self.assertTrue(
+ "File contains external, encrypted or compressed clusters."
+ in qemu_img_pipe('map', test_img))
+
if __name__ == '__main__':
iotests.main(supported_fmts=['qcow2', 'qed'])
diff --git a/tests/qemu-iotests/030.out b/tests/qemu-iotests/030.out
index 391c857..42314e9 100644
--- a/tests/qemu-iotests/030.out
+++ b/tests/qemu-iotests/030.out
@@ -1,5 +1,5 @@
-.......................
+........................
----------------------------------------------------------------------
-Ran 23 tests
+Ran 24 tests
OK
--
2.7.4