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From 728f93f0bf205f8b4ebbf2c4f0e57ecd63e1ea98 Mon Sep 17 00:00:00 2001
From: Max Reitz <mreitz@redhat.com>
Date: Sun, 19 Jan 2014 18:07:58 +0100
Subject: [PATCH 24/34] qemu-iotests: Extend 041 for unbacked mirroring

RH-Author: Max Reitz <mreitz@redhat.com>
Message-id: <1390154881-17140-5-git-send-email-mreitz@redhat.com>
Patchwork-id: 56817
O-Subject: [RHEL-7.0 qemu-kvm PATCH v2 4/7] qemu-iotests: Extend 041 for unbacked mirroring
Bugzilla: 921890
RH-Acked-by: Fam Zheng <famz@redhat.com>
RH-Acked-by: Kevin Wolf <kwolf@redhat.com>
RH-Acked-by: Jeffrey Cody <jcody@redhat.com>

BZ: 921890

Add a new test case in file 041 for mirroring unbacked images in
"absolute-paths" mode. This should work, if possible, but most
importantly, qemu should never crash.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
(cherry picked from commit c15badee200f9e743e3639cc5e3e7dd62c69332f)

Signed-off-by: Max Reitz <mreitz@redhat.com>
---
 tests/qemu-iotests/041     | 25 +++++++++++++++++++++++++
 tests/qemu-iotests/041.out |  4 ++--
 2 files changed, 27 insertions(+), 2 deletions(-)

Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
---
 tests/qemu-iotests/041     |   25 +++++++++++++++++++++++++
 tests/qemu-iotests/041.out |    4 ++--
 2 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/tests/qemu-iotests/041 b/tests/qemu-iotests/041
index ff89427..eccfe38 100755
--- a/tests/qemu-iotests/041
+++ b/tests/qemu-iotests/041
@@ -736,5 +736,30 @@ class TestSetSpeed(ImageMirroringTestCase):
 
         self.cancel_and_wait()
 
+class TestUnbackedSource(ImageMirroringTestCase):
+    image_len = 2 * 1024 * 1024 # MB
+
+    def setUp(self):
+        qemu_img('create', '-f', iotests.imgfmt, test_img,
+                 str(TestUnbackedSource.image_len))
+        self.vm = iotests.VM().add_drive(test_img)
+        self.vm.launch()
+
+    def tearDown(self):
+        self.vm.shutdown()
+        os.remove(test_img)
+        os.remove(target_img)
+
+    def test_absolute_paths(self):
+        self.assert_no_active_block_jobs()
+
+        for sync_mode in ['full', 'top', 'none']:
+            result = self.vm.qmp('drive-mirror', device='drive0',
+                                 sync=sync_mode, target=target_img,
+                                 mode='absolute-paths')
+            self.assert_qmp(result, 'return', {})
+            self.complete_and_wait()
+            self.assert_no_active_block_jobs()
+
 if __name__ == '__main__':
     iotests.main(supported_fmts=['qcow2', 'qed'])
diff --git a/tests/qemu-iotests/041.out b/tests/qemu-iotests/041.out
index 42314e9..4fd1c2d 100644
--- a/tests/qemu-iotests/041.out
+++ b/tests/qemu-iotests/041.out
@@ -1,5 +1,5 @@
-........................
+.........................
 ----------------------------------------------------------------------
-Ran 24 tests
+Ran 25 tests
 
 OK
-- 
1.7.1