qa/workunits/snaps: add snapshot rename test

Signed-off-by: Yan, Zheng <zyan@redhat.com>

diff --git a/qa/workunits/snaps/snaptest-snap-rename.sh b/qa/workunits/snaps/snaptest-snap-rename.sh
new file mode 100755 (executable)
index 0000000..744bdb4
--- /dev/null
+++ b/qa/workunits/snaps/snaptest-snap-rename.sh
@@ -0,0 +1,38 @@
+#!/bin/sh -x
+
+expect_failure() {
+       if [ `"$@"` -e 0 ]; then
+               return 1
+       fi
+       return 0
+}
+set -e
+
+ceph mds set allow_new_snaps true --yes-i-really-mean-it
+
+mkdir -p d1/d2
+mkdir -p d1/d3
+mkdir d1/.snap/foo
+mkdir d1/d2/.snap/foo
+mkdir d1/d3/.snap/foo
+mkdir d1/d3/.snap/bar
+mv d1/d2/.snap/foo d1/d2/.snap/bar
+# snapshot name can't start with _
+expect_failure mv d1/d2/.snap/bar d1/d2/.snap/_bar
+# can't rename parent snapshot
+expect_failure mv d1/d2/.snap/_foo_* d1/d2/.snap/foo
+expect_failure mv d1/d2/.snap/_foo_* d1/d2/.snap/_foo_1
+# can't rename snapshot to different directroy
+expect_failure mv d1/d2/.snap/bar d1/.snap/
+# can't overwrite existing snapshot
+expect_failure python -c "import os; os.rename('d1/d3/.snap/foo', 'd1/d3/.snap/bar')"
+# can't move snaphost out of snapdir
+expect_failure python -c "import os; os.rename('d1/.snap/foo', 'd1/foo')"
+
+rmdir d1/.snap/foo
+rmdir d1/d2/.snap/bar
+rmdir d1/d3/.snap/foo
+rmdir d1/d3/.snap/bar
+rm -rf d1
+
+echo OK