From 3b9f27d2b34cb8c5cc6cec993712c7e1943e9de9 Mon Sep 17 00:00:00 2001 From: Fam Zheng Date: Tue, 24 Jun 2014 20:26:38 +0800 Subject: [PATCH] qemu-iotests: Test 0-length image for mirror All behavior and invariant should hold for images with 0 length, so add a class to repeat all the tests in TestSingleDrive. Hide two unapplicable test methods that would fail with 0 image length because it's also used as cluster size. Signed-off-by: Fam Zheng Signed-off-by: Kevin Wolf --- tests/qemu-iotests/041 | 11 ++++++++--- tests/qemu-iotests/041.out | 4 ++-- 2 files changed, 10 insertions(+), 5 deletions(-) diff --git a/tests/qemu-iotests/041 b/tests/qemu-iotests/041 index ec470b2007..ef4f4657cc 100755 --- a/tests/qemu-iotests/041 +++ b/tests/qemu-iotests/041 @@ -64,7 +64,7 @@ class TestSingleDrive(ImageMirroringTestCase): image_len = 1 * 1024 * 1024 # MB def setUp(self): - iotests.create_image(backing_img, TestSingleDrive.image_len) + iotests.create_image(backing_img, self.image_len) qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img) self.vm = iotests.VM().add_drive(test_img) self.vm.launch() @@ -163,7 +163,7 @@ class TestSingleDrive(ImageMirroringTestCase): self.assert_no_active_block_jobs() qemu_img('create', '-f', iotests.imgfmt, '-o', 'cluster_size=%d,size=%d' - % (TestSingleDrive.image_len, TestSingleDrive.image_len), target_img) + % (self.image_len, self.image_len), target_img) result = self.vm.qmp('drive-mirror', device='drive0', sync='full', buf_size=65536, mode='existing', target=target_img) self.assert_qmp(result, 'return', {}) @@ -179,7 +179,7 @@ class TestSingleDrive(ImageMirroringTestCase): self.assert_no_active_block_jobs() qemu_img('create', '-f', iotests.imgfmt, '-o', 'cluster_size=%d,backing_file=%s' - % (TestSingleDrive.image_len, backing_img), target_img) + % (self.image_len, backing_img), target_img) result = self.vm.qmp('drive-mirror', device='drive0', sync='full', mode='existing', target=target_img) self.assert_qmp(result, 'return', {}) @@ -206,6 +206,11 @@ class TestSingleDrive(ImageMirroringTestCase): target=target_img) self.assert_qmp(result, 'error/class', 'DeviceNotFound') +class TestSingleDriveZeroLength(TestSingleDrive): + image_len = 0 + test_small_buffer2 = None + test_large_cluster = None + class TestMirrorNoBacking(ImageMirroringTestCase): image_len = 2 * 1024 * 1024 # MB diff --git a/tests/qemu-iotests/041.out b/tests/qemu-iotests/041.out index 6d9bee1a4b..cfa5c0d0e6 100644 --- a/tests/qemu-iotests/041.out +++ b/tests/qemu-iotests/041.out @@ -1,5 +1,5 @@ -........................... +................................... ---------------------------------------------------------------------- -Ran 27 tests +Ran 35 tests OK