[Qemu-devel] [PATCH V16 6/6] qemu-iotests: add add-cow iotests support.

[Dong Xu Wang]

This patch will use qemu-iotests to test add-cow file format.

v15->v16):
1) Rebased on QEMU upstream source tree.

Signed-off-by: Dong Xu Wang <address@hidden>
---
 tests/qemu-iotests/017       |    2 +-
 tests/qemu-iotests/020       |    2 +-
 tests/qemu-iotests/common    |    6 ++++++
 tests/qemu-iotests/common.rc |   15 ++++++++++++++-
 4 files changed, 22 insertions(+), 3 deletions(-)

diff --git a/tests/qemu-iotests/017 b/tests/qemu-iotests/017
index 66951eb..d31432f 100755
--- a/tests/qemu-iotests/017
+++ b/tests/qemu-iotests/017
@@ -40,7 +40,7 @@ trap "_cleanup; exit \$status" 0 1 2 3 15
 . ./common.pattern
 
 # Any format supporting backing files
-_supported_fmt qcow qcow2 vmdk qed
+_supported_fmt qcow qcow2 vmdk qed add-cow
 _supported_proto generic
 _supported_os Linux
 
diff --git a/tests/qemu-iotests/020 b/tests/qemu-iotests/020
index 2fb0ff8..3dbb495 100755
--- a/tests/qemu-iotests/020
+++ b/tests/qemu-iotests/020
@@ -42,7 +42,7 @@ trap "_cleanup; exit \$status" 0 1 2 3 15
 . ./common.pattern
 
 # Any format supporting backing files
-_supported_fmt qcow qcow2 vmdk qed
+_supported_fmt qcow qcow2 vmdk qed add-cow
 _supported_proto generic
 _supported_os Linux
 
diff --git a/tests/qemu-iotests/common b/tests/qemu-iotests/common
index b3aad89..1ea4a7f 100644
--- a/tests/qemu-iotests/common
+++ b/tests/qemu-iotests/common
@@ -128,6 +128,7 @@ common options
 check options
     -raw                test raw (default)
     -cow                test cow
+    -add-cow            test add-cow
     -qcow               test qcow
     -qcow2              test qcow2
     -qed                test qed
@@ -164,6 +165,11 @@ testlist options
            xpand=false
            ;;
 
+       -add-cow)
+        IMGFMT=add-cow
+        xpand=false
+        ;;
+
        -qcow)
            IMGFMT=qcow
            xpand=false
diff --git a/tests/qemu-iotests/common.rc b/tests/qemu-iotests/common.rc
index aef5f52..4461f69 100644
--- a/tests/qemu-iotests/common.rc
+++ b/tests/qemu-iotests/common.rc
@@ -107,6 +107,16 @@ _make_test_img()
     fi
     if [ \( "$IMGFMT" = "qcow2" -o "$IMGFMT" = "qed" \) -a -n "$CLUSTER_SIZE" 
]; then
         optstr=$(_optstr_add "$optstr" "cluster_size=$CLUSTER_SIZE")
+    elif [ "$IMGFMT" = "add-cow" ]; then
+        local IMG="$TEST_IMG"".raw"
+        if [ "$1" = "-b" ]; then
+            IMG="$IMG"".b"
+            $QEMU_IMG create -f raw $IMG $image_size>/dev/null
+            extra_img_options="-o image_file=$IMG $extra_img_options"
+        else
+            $QEMU_IMG create -f raw $IMG $image_size>/dev/null
+            extra_img_options="-o image_file=$IMG"
+        fi
     fi
 
     if [ -n "$optstr" ]; then
@@ -124,7 +134,8 @@ _make_test_img()
             -e "s# compat='[^']*'##g" \
             -e "s# compat6=\\(on\\|off\\)##g" \
             -e "s# static=\\(on\\|off\\)##g" \
-            -e "s# lazy_refcounts=\\(on\\|off\\)##g"
+            -e "s# lazy_refcounts=\\(on\\|off\\)##g" \
+            -e "s# image_file='[^']*'##g"
 
     # Start an NBD server on the image file, which is what we'll be talking to
     if [ $IMGPROTO = "nbd" ]; then
@@ -146,6 +157,8 @@ _cleanup_test_img()
             rm -f $TEST_DIR/t.$IMGFMT
             rm -f $TEST_DIR/t.$IMGFMT.orig
             rm -f $TEST_DIR/t.$IMGFMT.base
+            rm -f $TEST_DIR/t.$IMGFMT.raw
+            rm -f $TEST_DIR/t.$IMGFMT.raw.b
             ;;
 
         rbd)
-- 
1.7.1