[Qemu-devel] [PATCH] qemu-iotests: add test case for dmg

[yuchenlin]

Recently, some bugs in dmg file have been fixed. To prevent reading dmg
is broken someday in the future, add a simple test which ensures the
conversion from dmg to raw should not hang or face any I/O error.

Signed-off-by: yuchenlin <address@hidden>
---
 tests/qemu-iotests/236                        |  53 ++++++++++++++++++
 tests/qemu-iotests/236.out                    |   4 ++
 tests/qemu-iotests/check                      |   7 +++
 tests/qemu-iotests/group                      |   1 +
 .../sample_images/simple-dmg.dmg.bz2          | Bin 0 -> 3479 bytes
 5 files changed, 65 insertions(+)
 create mode 100755 tests/qemu-iotests/236
 create mode 100644 tests/qemu-iotests/236.out
 create mode 100644 tests/qemu-iotests/sample_images/simple-dmg.dmg.bz2

diff --git a/tests/qemu-iotests/236 b/tests/qemu-iotests/236
new file mode 100755
index 0000000000..6f085d573d
--- /dev/null
+++ b/tests/qemu-iotests/236
@@ -0,0 +1,53 @@
+#!/bin/bash
+#
+# Test case for dmg
+#
+# Copyright (C) 2019 yuchenlin <address@hidden>
+#
+# 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
address@hidden
+
+seq=`basename $0`
+echo "QA output created by $seq"
+
+status=1       # failure is the default!
+
+_cleanup()
+{
+    rm -f "$TEST_IMG.raw"
+    _cleanup_test_img
+}
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+# get standard environment, filters and checks
+. ./common.rc
+
+_supported_fmt dmg
+_supported_proto file
+_supported_os Linux
+
+echo
+echo "== Testing conversion to raw should success =="
+_use_sample_img simple-dmg.dmg.bz2
+if ! $QEMU_IMG convert -f $IMGFMT -O raw "$TEST_IMG" "$TEST_IMG.raw" ; then
+    exit 1
+fi
+
+# success, all done
+echo "*** done"
+rm -f $seq.full
+status=0
diff --git a/tests/qemu-iotests/236.out b/tests/qemu-iotests/236.out
new file mode 100644
index 0000000000..a92fc657dd
--- /dev/null
+++ b/tests/qemu-iotests/236.out
@@ -0,0 +1,4 @@
+QA output created by 236
+
+== Testing conversion to raw should success ==
+*** done
diff --git a/tests/qemu-iotests/check b/tests/qemu-iotests/check
index 89ed275988..895e1e3dcb 100755
--- a/tests/qemu-iotests/check
+++ b/tests/qemu-iotests/check
@@ -237,6 +237,7 @@ image format options
     -vhdx               test vhdx
     -vmdk               test vmdk
     -luks               test luks
+    -dmg                test dmg
 
 image protocol options
     -file               test file (default)
@@ -304,6 +305,12 @@ testlist options
             xpand=false
             ;;
 
+        -dmg)
+            IMGFMT=dmg
+            IMGFMT_GENERIC=false
+            xpand=false
+            ;;
+
         -qed)
             IMGFMT=qed
             xpand=false
diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group
index 61a6d98ebd..623ede30f5 100644
--- a/tests/qemu-iotests/group
+++ b/tests/qemu-iotests/group
@@ -233,3 +233,4 @@
 233 auto quick
 234 auto quick migration
 235 auto quick
+236 rw auto quick
diff --git a/tests/qemu-iotests/sample_images/simple-dmg.dmg.bz2 
b/tests/qemu-iotests/sample_images/simple-dmg.dmg.bz2
new file mode 100644
index 
0000000000000000000000000000000000000000..05e719d03d48d6df4f0e995dd8bae1ce54c9f5f0
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-- 
2.17.1