Add test for lstat raising OSError for nonexistent target.

2 files changed, 7 insertions, 1 deletions

diff --git a/obnamlib/plugins/sftp_plugin.py b/obnamlib/plugins/sftp_plugin.py
index f7110942..df2c1243 100644
--- a/obnamlib/plugins/sftp_plugin.py
+++ b/obnamlib/plugins/sftp_plugin.py
@@ -182,7 +182,10 @@ class SftpFS(obnamlib.VirtualFileSystem):
         self.sftp.rename(old, new)
     
     def lstat(self, pathname):
-        return self.sftp.lstat(pathname)
+        try:
+            return self.sftp.lstat(pathname)
+        except IOError, e:
+            raise OSError(e.errno, e.strerror, pathname)
 
     def chown(self, pathname, uid, gid):
         self.sftp.chown(pathname, uid, gid)
diff --git a/obnamlib/vfs.py b/obnamlib/vfs.py
index 070b0cff..6ecb161b 100644
--- a/obnamlib/vfs.py
+++ b/obnamlib/vfs.py
@@ -378,6 +378,9 @@ class VfsTests(object): # pragma: no cover
     def test_lstat_returns_result(self):
         self.assert_(self.fs.lstat('.'))
 
+    def test_lstat_raises_oserror_for_nonexistent_entry(self):
+        self.assertRaises(OSError, self.fs.lstat, 'notexists')
+
     def test_chmod_sets_permissions_correctly(self):
         self.fs.mkdir('foo')
         self.fs.chmod('foo', 0777)