Blame SOURCES/kvm-qemu-iotests-Test-0-length-image-for-mirror.patch

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From 8042a9daf7913e39b7ee4f6417f1d934e5dabbff Mon Sep 17 00:00:00 2001
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From: Eric Blake <eblake@redhat.com>
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Date: Wed, 20 Aug 2014 16:40:13 +0200
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Subject: [PATCH 6/7] qemu-iotests: Test 0-length image for mirror
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Message-id: <1408552814-23031-7-git-send-email-eblake@redhat.com>
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Patchwork-id: 60648
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O-Subject: [qemu-kvm-rhev 7.0.z PATCH 6/7] qemu-iotests: Test 0-length image for mirror
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Bugzilla: 1132806
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RH-Acked-by: Paolo Bonzini <pbonzini@redhat.com>
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RH-Acked-by: Fam Zheng <famz@redhat.com>
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RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
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From: Fam Zheng <famz@redhat.com>
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All behavior and invariant should hold for images with 0 length, so
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add a class to repeat all the tests in TestSingleDrive.
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Hide two unapplicable test methods that would fail with 0 image length
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because it's also used as cluster size.
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Signed-off-by: Fam Zheng <famz@redhat.com>
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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(cherry picked from commit 3b9f27d2b34cb8c5cc6cec993712c7e1943e9de9)
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Conflicts:
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	tests/qemu-iotests/041 - context due to no common event handling
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Signed-off-by: Eric Blake <eblake@redhat.com>
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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 tests/qemu-iotests/041     |   11 ++++++++---
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 tests/qemu-iotests/041.out |    4 ++--
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 2 files changed, 10 insertions(+), 5 deletions(-)
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diff --git a/tests/qemu-iotests/041 b/tests/qemu-iotests/041
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index bcfb759..912e499 100755
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--- a/tests/qemu-iotests/041
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+++ b/tests/qemu-iotests/041
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@@ -123,7 +123,7 @@ class TestSingleDrive(ImageMirroringTestCase):
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     image_len = 1 * 1024 * 1024 # MB
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     def setUp(self):
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-        self.create_image(backing_img, TestSingleDrive.image_len)
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+        self.create_image(backing_img, self.image_len)
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         qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img)
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         self.vm = iotests.VM().add_drive(test_img)
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         self.vm.launch()
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@@ -222,7 +222,7 @@ class TestSingleDrive(ImageMirroringTestCase):
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         self.assert_no_active_block_jobs()
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         qemu_img('create', '-f', iotests.imgfmt, '-o', 'cluster_size=%d,size=%d'
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-                        % (TestSingleDrive.image_len, TestSingleDrive.image_len), target_img)
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+                        % (self.image_len, self.image_len), target_img)
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         result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
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                              buf_size=65536, mode='existing', target=target_img)
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         self.assert_qmp(result, 'return', {})
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@@ -238,7 +238,7 @@ class TestSingleDrive(ImageMirroringTestCase):
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         self.assert_no_active_block_jobs()
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         qemu_img('create', '-f', iotests.imgfmt, '-o', 'cluster_size=%d,backing_file=%s'
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-                        % (TestSingleDrive.image_len, backing_img), target_img)
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+                        % (self.image_len, backing_img), target_img)
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         result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
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                              mode='existing', target=target_img)
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         self.assert_qmp(result, 'return', {})
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@@ -265,6 +265,11 @@ class TestSingleDrive(ImageMirroringTestCase):
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                              target=target_img)
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         self.assert_qmp(result, 'error/class', 'DeviceNotFound')
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+class TestSingleDriveZeroLength(TestSingleDrive):
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+    image_len = 0
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+    test_small_buffer2 = None
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+    test_large_cluster = None
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+
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 class TestMirrorNoBacking(ImageMirroringTestCase):
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     image_len = 2 * 1024 * 1024 # MB
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diff --git a/tests/qemu-iotests/041.out b/tests/qemu-iotests/041.out
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index 6d9bee1..cfa5c0d 100644
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--- a/tests/qemu-iotests/041.out
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+++ b/tests/qemu-iotests/041.out
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@@ -1,5 +1,5 @@
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-...........................
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+...................................
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 ----------------------------------------------------------------------
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-Ran 27 tests
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+Ran 35 tests
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 OK
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-- 
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1.7.1
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