public virtual void TestCreateSnapshot()
{
// test createSnapshot
DFSTestUtil.FsShellRun("-createSnapshot /sub1 sn0", 0, "Created snapshot /sub1/.snapshot/sn0"
, conf);
DFSTestUtil.FsShellRun("-createSnapshot /sub1 sn0", 1, "there is already a snapshot with the same name \"sn0\""
, conf);
DFSTestUtil.FsShellRun("-rmr /sub1/sub1sub2", conf);
DFSTestUtil.FsShellRun("-mkdir /sub1/sub1sub3", conf);
DFSTestUtil.FsShellRun("-createSnapshot /sub1 sn1", 0, "Created snapshot /sub1/.snapshot/sn1"
, conf);
// check snapshot contents
DFSTestUtil.FsShellRun("-ls /sub1", 0, "/sub1/sub1sub1", conf);
DFSTestUtil.FsShellRun("-ls /sub1", 0, "/sub1/sub1sub3", conf);
DFSTestUtil.FsShellRun("-ls /sub1/.snapshot", 0, "/sub1/.snapshot/sn0", conf);
DFSTestUtil.FsShellRun("-ls /sub1/.snapshot", 0, "/sub1/.snapshot/sn1", conf);
DFSTestUtil.FsShellRun("-ls /sub1/.snapshot/sn0", 0, "/sub1/.snapshot/sn0/sub1sub1"
, conf);
DFSTestUtil.FsShellRun("-ls /sub1/.snapshot/sn0", 0, "/sub1/.snapshot/sn0/sub1sub2"
, conf);
DFSTestUtil.FsShellRun("-ls /sub1/.snapshot/sn1", 0, "/sub1/.snapshot/sn1/sub1sub1"
, conf);
DFSTestUtil.FsShellRun("-ls /sub1/.snapshot/sn1", 0, "/sub1/.snapshot/sn1/sub1sub3"
, conf);
}
public virtual void TestDeleteSnapshot()
{
DFSTestUtil.FsShellRun("-createSnapshot /sub1 sn1", conf);
DFSTestUtil.FsShellRun("-deleteSnapshot /sub1 sn1", conf);
DFSTestUtil.FsShellRun("-deleteSnapshot /sub1 sn1", 1, "deleteSnapshot: Cannot delete snapshot sn1 from path /sub1: the snapshot does not exist."
, conf);
}
public virtual void TestMkdirUsingReservedName()
{
// test can not create dir with reserved name: .snapshot
DFSTestUtil.FsShellRun("-ls /", conf);
DFSTestUtil.FsShellRun("-mkdir /.snapshot", 1, "File exists", conf);
DFSTestUtil.FsShellRun("-mkdir /sub1/.snapshot", 1, "File exists", conf);
// mkdir -p ignore reserved name check if dir already exists
DFSTestUtil.FsShellRun("-mkdir -p /sub1/.snapshot", conf);
DFSTestUtil.FsShellRun("-mkdir -p /sub1/sub1sub1/.snapshot", 1, "mkdir: \".snapshot\" is a reserved name."
, conf);
}
public virtual void TestAllowSnapshot()
{
// Idempotent test
DFSTestUtil.DFSAdminRun("-allowSnapshot /sub1", 0, "Allowing snaphot on /sub1 succeeded"
, conf);
// allow normal dir success
DFSTestUtil.FsShellRun("-mkdir /sub2", conf);
DFSTestUtil.DFSAdminRun("-allowSnapshot /sub2", 0, "Allowing snaphot on /sub2 succeeded"
, conf);
// allow non-exists dir failed
DFSTestUtil.DFSAdminRun("-allowSnapshot /sub3", -1, null, conf);
}
public virtual void TestDisallowSnapshot()
{
DFSTestUtil.FsShellRun("-createSnapshot /sub1 sn1", conf);
// cannot delete snapshotable dir
DFSTestUtil.FsShellRun("-rmr /sub1", 1, "The directory /sub1 cannot be deleted since /sub1 is snapshottable and already has snapshots"
, conf);
DFSTestUtil.DFSAdminRun("-disallowSnapshot /sub1", -1, "disallowSnapshot: The directory /sub1 has snapshot(s). Please redo the operation after removing all the snapshots."
, conf);
DFSTestUtil.FsShellRun("-deleteSnapshot /sub1 sn1", conf);
DFSTestUtil.DFSAdminRun("-disallowSnapshot /sub1", 0, "Disallowing snaphot on /sub1 succeeded"
, conf);
// Idempotent test
DFSTestUtil.DFSAdminRun("-disallowSnapshot /sub1", 0, "Disallowing snaphot on /sub1 succeeded"
, conf);
// now it can be deleted
DFSTestUtil.FsShellRun("-rmr /sub1", conf);
}
public virtual void TestRenameSnapshot()
{
DFSTestUtil.FsShellRun("-createSnapshot /sub1 sn.orig", conf);
DFSTestUtil.FsShellRun("-renameSnapshot /sub1 sn.orig sn.rename", conf);
DFSTestUtil.FsShellRun("-ls /sub1/.snapshot", 0, "/sub1/.snapshot/sn.rename", conf
);
DFSTestUtil.FsShellRun("-ls /sub1/.snapshot/sn.rename", 0, "/sub1/.snapshot/sn.rename/sub1sub1"
, conf);
DFSTestUtil.FsShellRun("-ls /sub1/.snapshot/sn.rename", 0, "/sub1/.snapshot/sn.rename/sub1sub2"
, conf);
//try renaming from a non-existing snapshot
DFSTestUtil.FsShellRun("-renameSnapshot /sub1 sn.nonexist sn.rename", 1, "renameSnapshot: The snapshot sn.nonexist does not exist for directory /sub1"
, conf);
//try renaming to existing snapshots
DFSTestUtil.FsShellRun("-createSnapshot /sub1 sn.new", conf);
DFSTestUtil.FsShellRun("-renameSnapshot /sub1 sn.new sn.rename", 1, "renameSnapshot: The snapshot sn.rename already exists for directory /sub1"
, conf);
DFSTestUtil.FsShellRun("-renameSnapshot /sub1 sn.rename sn.new", 1, "renameSnapshot: The snapshot sn.new already exists for directory /sub1"
, conf);
}