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Blame SOURCES/kvm-qemu-iotests-Additional-info-from-qemu-img-info.patch

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From 9769e7ac9ff2005316a655365c72c12a40579195 Mon Sep 17 00:00:00 2001
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From: Max Reitz <mreitz@redhat.com>
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Date: Wed, 6 Nov 2013 16:53:39 +0100
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Subject: [PATCH 82/87] qemu-iotests: Additional info from qemu-img info
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RH-Author: Max Reitz <mreitz@redhat.com>
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Message-id: <1383756824-6921-17-git-send-email-mreitz@redhat.com>
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Patchwork-id: 55571
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O-Subject: [RHEL-7.0 qemu-kvm PATCH v2 16/21] qemu-iotests: Additional info from qemu-img info
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Bugzilla: 980771
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RH-Acked-by: Kevin Wolf <kwolf@redhat.com>
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RH-Acked-by: Fam Zheng <famz@redhat.com>
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RH-Acked-by: Jeffrey Cody <jcody@redhat.com>
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BZ: 980771
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Add a test for the additional information now provided by qemu-img info
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when used on qcow2 images. It also tests the qemu QMP output from the
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query-block command when running qemu with different runtime options
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than specified in the image (ImageInfoSpecific should always refer to
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the image).
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Signed-off-by: Max Reitz <mreitz@redhat.com>
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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(cherry picked from commit 3677e6f6252542cbab85674d97d051d95e91693b)
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Signed-off-by: Max Reitz <mreitz@redhat.com>
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---
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 tests/qemu-iotests/065        | 125 ++++++++++++++++++++++++++++++++++++++++++
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 tests/qemu-iotests/065.out    |   5 ++
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 tests/qemu-iotests/group      |   1 +
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 tests/qemu-iotests/iotests.py |   4 ++
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 4 files changed, 135 insertions(+)
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 create mode 100755 tests/qemu-iotests/065
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 create mode 100644 tests/qemu-iotests/065.out
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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 tests/qemu-iotests/065        |  125 +++++++++++++++++++++++++++++++++++++++++
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 tests/qemu-iotests/065.out    |    5 ++
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 tests/qemu-iotests/group      |    1 +
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 tests/qemu-iotests/iotests.py |    4 +
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 4 files changed, 135 insertions(+), 0 deletions(-)
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 create mode 100755 tests/qemu-iotests/065
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 create mode 100644 tests/qemu-iotests/065.out
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diff --git a/tests/qemu-iotests/065 b/tests/qemu-iotests/065
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new file mode 100755
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index 0000000..ab5445f
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--- /dev/null
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+++ b/tests/qemu-iotests/065
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@@ -0,0 +1,125 @@
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+#!/usr/bin/env python2
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+#
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+# Test for additional information emitted by qemu-img info on qcow2
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+# images
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+#
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+# Copyright (C) 2013 Red Hat, Inc.
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+#
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+# This program is free software; you can redistribute it and/or modify
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+# it under the terms of the GNU General Public License as published by
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+# the Free Software Foundation; either version 2 of the License, or
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+# (at your option) any later version.
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+#
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+# This program is distributed in the hope that it will be useful,
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+# but WITHOUT ANY WARRANTY; without even the implied warranty of
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+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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+# GNU General Public License for more details.
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+#
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+# You should have received a copy of the GNU General Public License
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+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
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+#
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+
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+import os
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+import re
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+import json
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+import iotests
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+from iotests import qemu_img, qemu_img_pipe
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+import unittest
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+
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+test_img = os.path.join(iotests.test_dir, 'test.img')
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+
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+class TestImageInfoSpecific(iotests.QMPTestCase):
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+    '''Abstract base class for ImageInfoSpecific tests'''
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+
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+    def setUp(self):
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+        if self.img_options is None:
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+            self.skipTest('Skipping abstract test class')
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+        qemu_img('create', '-f', iotests.imgfmt, '-o', self.img_options,
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+                 test_img, '128K')
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+
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+    def tearDown(self):
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+        os.remove(test_img)
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+
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+class TestQemuImgInfo(TestImageInfoSpecific):
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+    '''Abstract base class for qemu-img info tests'''
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+
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+    img_options = None
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+    json_compare = None
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+    human_compare = None
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+
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+    def test_json(self):
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+        data = json.loads(qemu_img_pipe('info', '--output=json', test_img))
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+        data = data['format-specific']
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+        self.assertEqual(data['type'], iotests.imgfmt)
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+        self.assertEqual(data['data'], self.json_compare)
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+
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+    def test_human(self):
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+        data = qemu_img_pipe('info', '--output=human', test_img).split('\n')
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+        data = data[(data.index('Format specific information:') + 1)
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+                    :data.index('')]
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+        for field in data:
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+            self.assertTrue(re.match('^ {4}[^ ]', field) is not None)
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+        data = map(lambda line: line.strip(), data)
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+        self.assertEqual(data, self.human_compare)
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+
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+class TestQMP(TestImageInfoSpecific):
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+    '''Abstract base class for qemu QMP tests'''
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+
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+    img_options = None
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+    qemu_options = ''
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+    TestImageInfoSpecific = TestImageInfoSpecific
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+
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+    def setUp(self):
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+        self.TestImageInfoSpecific.setUp(self)
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+        self.vm = iotests.VM().add_drive(test_img, self.qemu_options)
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+        self.vm.launch()
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+
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+    def tearDown(self):
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+        self.vm.shutdown()
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+        self.TestImageInfoSpecific.tearDown(self)
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+
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+    def test_qmp(self):
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+        result = self.vm.qmp('query-block')['return']
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+        drive = filter(lambda drive: drive['device'] == 'drive0', result)[0]
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+        data = drive['inserted']['image']['format-specific']
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+        self.assertEqual(data['type'], iotests.imgfmt)
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+        self.assertEqual(data['data'], self.compare)
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+
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+class TestQCow2(TestQemuImgInfo):
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+    '''Testing a qcow2 version 2 image'''
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+    img_options = 'compat=0.10'
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+    json_compare = { 'compat': '0.10' }
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+    human_compare = [ 'compat: 0.10' ]
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+
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+class TestQCow3NotLazy(TestQemuImgInfo):
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+    '''Testing a qcow2 version 3 image with lazy refcounts disabled'''
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+    img_options = 'compat=1.1,lazy_refcounts=off'
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+    json_compare = { 'compat': '1.1', 'lazy-refcounts': False }
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+    human_compare = [ 'compat: 1.1', 'lazy refcounts: false' ]
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+
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+class TestQCow3Lazy(TestQemuImgInfo):
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+    '''Testing a qcow2 version 3 image with lazy refcounts enabled'''
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+    img_options = 'compat=1.1,lazy_refcounts=on'
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+    json_compare = { 'compat': '1.1', 'lazy-refcounts': True }
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+    human_compare = [ 'compat: 1.1', 'lazy refcounts: true' ]
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+
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+class TestQCow3NotLazyQMP(TestQMP):
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+    '''Testing a qcow2 version 3 image with lazy refcounts disabled, opening
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+       with lazy refcounts enabled'''
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+    img_options = 'compat=1.1,lazy_refcounts=off'
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+    qemu_options = 'lazy-refcounts=on'
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+    compare = { 'compat': '1.1', 'lazy-refcounts': False }
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+
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+class TestQCow3LazyQMP(TestQMP):
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+    '''Testing a qcow2 version 3 image with lazy refcounts enabled, opening
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+       with lazy refcounts disabled'''
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+    img_options = 'compat=1.1,lazy_refcounts=on'
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+    qemu_options = 'lazy-refcounts=off'
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+    compare = { 'compat': '1.1', 'lazy-refcounts': True }
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+
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+TestImageInfoSpecific = None
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+TestQemuImgInfo = None
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+TestQMP = None
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+
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+if __name__ == '__main__':
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+    iotests.main(supported_fmts=['qcow2'])
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diff --git a/tests/qemu-iotests/065.out b/tests/qemu-iotests/065.out
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new file mode 100644
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index 0000000..594c16f
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--- /dev/null
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+++ b/tests/qemu-iotests/065.out
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@@ -0,0 +1,5 @@
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+........
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+----------------------------------------------------------------------
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+Ran 8 tests
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+
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+OK
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diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group
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index d02ee96..68c056b 100644
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--- a/tests/qemu-iotests/group
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+++ b/tests/qemu-iotests/group
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@@ -64,5 +64,6 @@
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 059 rw auto
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 060 rw auto
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 063 rw auto
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+065 rw auto
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 067 rw auto
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 068 rw auto
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diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py
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index 569ca3d..5cbac82 100644
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--- a/tests/qemu-iotests/iotests.py
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+++ b/tests/qemu-iotests/iotests.py
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@@ -46,6 +46,10 @@ def qemu_img_verbose(*args):
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     '''Run qemu-img without suppressing its output and return the exit code'''
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     return subprocess.call(qemu_img_args + list(args))
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+def qemu_img_pipe(*args):
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+    '''Run qemu-img and return its output'''
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+    return subprocess.Popen(qemu_img_args + list(args), stdout=subprocess.PIPE).communicate()[0]
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+
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 def qemu_io(*args):
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     '''Run qemu-io and return the stdout data'''
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     args = qemu_io_args + list(args)
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-- 
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1.7.1
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