diff options
| -rwxr-xr-x | tests/qemu-iotests/126 | 105 | ||||
| -rw-r--r-- | tests/qemu-iotests/126.out | 23 | ||||
| -rw-r--r-- | tests/qemu-iotests/group | 1 |
3 files changed, 129 insertions, 0 deletions
diff --git a/tests/qemu-iotests/126 b/tests/qemu-iotests/126 new file mode 100755 index 0000000000..a2d4d6c73d --- /dev/null +++ b/tests/qemu-iotests/126 @@ -0,0 +1,105 @@ +#!/bin/bash +# +# Tests handling of colons in filenames (which may be confused with protocol +# prefixes) +# +# Copyright (C) 2017 Red Hat, Inc. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +# + +# creator +owner=mreitz@redhat.com + +seq="$(basename $0)" +echo "QA output created by $seq" + +here="$PWD" +status=1 # failure is the default! + +# get standard environment, filters and checks +. ./common.rc +. ./common.filter + +# Needs backing file support +_supported_fmt qcow qcow2 qed vmdk +# This is the default protocol (and we want to test the difference between +# colons which separate a protocol prefix from the rest and colons which are +# just part of the filename, so we cannot test protocols which require a prefix) +_supported_proto file +_supported_os Linux + +echo +echo '=== Testing plain files ===' +echo + +# A colon after a slash is not a protocol prefix separator +TEST_IMG="$TEST_DIR/a:b.$IMGFMT" _make_test_img 64M +_rm_test_img "$TEST_DIR/a:b.$IMGFMT" + +# But if you want to be really sure, you can do this +TEST_IMG="file:$TEST_DIR/a:b.$IMGFMT" _make_test_img 64M +_rm_test_img "$TEST_DIR/a:b.$IMGFMT" + + +echo +echo '=== Testing relative backing filename resolution ===' +echo + +BASE_IMG="$TEST_DIR/image:base.$IMGFMT" +TOP_IMG="$TEST_DIR/image:top.$IMGFMT" + +TEST_IMG=$BASE_IMG _make_test_img 64M +TEST_IMG=$TOP_IMG _make_test_img -b ./image:base.$IMGFMT + +# The default cluster size depends on the image format +TEST_IMG=$TOP_IMG _img_info | grep -v 'cluster_size' + +_rm_test_img "$BASE_IMG" +_rm_test_img "$TOP_IMG" + + +# Do another test where we access both top and base without any slash in them +echo +pushd "$TEST_DIR" >/dev/null + +BASE_IMG="base.$IMGFMT" +TOP_IMG="file:image:top.$IMGFMT" + +TEST_IMG=$BASE_IMG _make_test_img 64M +TEST_IMG=$TOP_IMG _make_test_img -b "$BASE_IMG" + +TEST_IMG=$TOP_IMG _img_info | grep -v 'cluster_size' + +_rm_test_img "$BASE_IMG" +_rm_test_img "image:top.$IMGFMT" + +popd >/dev/null + +# Note that we could also do the same test with BASE_IMG=file:image:base.$IMGFMT +# -- but behavior for that case is a bit strange. Protocol-prefixed paths are +# in a sense always absolute paths, so such paths will never be combined with +# the path of the overlay. But since "image:base.$IMGFMT" is actually a +# relative path, it will always be evaluated relative to qemu's CWD (but not +# relative to the overlay!). While this is more or less intended, it is still +# pretty strange and thus not something that is tested here. +# (The root of the issue is the use of a relative path with a protocol prefix. +# This may always give you weird results because in one sense, qemu considers +# such paths absolute, whereas in another, they are still relative.) + + +# success, all done +echo '*** done' +rm -f $seq.full +status=0 diff --git a/tests/qemu-iotests/126.out b/tests/qemu-iotests/126.out new file mode 100644 index 0000000000..50d73080fa --- /dev/null +++ b/tests/qemu-iotests/126.out @@ -0,0 +1,23 @@ +QA output created by 126 + +=== Testing plain files === + +Formatting 'TEST_DIR/a:b.IMGFMT', fmt=IMGFMT size=67108864 +Formatting 'TEST_DIR/a:b.IMGFMT', fmt=IMGFMT size=67108864 + +=== Testing relative backing filename resolution === + +Formatting 'TEST_DIR/image:base.IMGFMT', fmt=IMGFMT size=67108864 +Formatting 'TEST_DIR/image:top.IMGFMT', fmt=IMGFMT size=67108864 backing_file=./image:base.IMGFMT +image: TEST_DIR/image:top.IMGFMT +file format: IMGFMT +virtual size: 64M (67108864 bytes) +backing file: ./image:base.IMGFMT (actual path: TEST_DIR/./image:base.IMGFMT) + +Formatting 'base.IMGFMT', fmt=IMGFMT size=67108864 +Formatting 'file:image:top.IMGFMT', fmt=IMGFMT size=67108864 backing_file=base.IMGFMT +image: ./image:top.IMGFMT +file format: IMGFMT +virtual size: 64M (67108864 bytes) +backing file: base.IMGFMT (actual path: ./base.IMGFMT) +*** done diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group index 7d86715aae..40bef995fe 100644 --- a/tests/qemu-iotests/group +++ b/tests/qemu-iotests/group @@ -130,6 +130,7 @@ 122 rw auto 123 rw auto quick 124 rw auto backing +126 rw auto backing 128 rw auto quick 129 rw auto quick 130 rw auto quick |