Started on an obnam.format.Listing class.

2 files changed, 28 insertions, 0 deletions

diff --git a/obnam/format.py b/obnam/format.py
index 334727f9..428098ff 100644
--- a/obnam/format.py
+++ b/obnam/format.py
@@ -112,3 +112,18 @@ def inode_fields(file_component):
 def timestamp(seconds):
     """Format a time stamp given in seconds since epoch"""
     return time.strftime("%Y-%m-%d %H:%M:%S", time.gmtime(seconds))
+
+
+class Listing:
+
+    """Format listings of contents of backups.
+    
+    The listings are formatted similar to the Unix 'ls -l' command.
+    
+    """
+    
+    def __init__(self, output_file):
+        self._output = output_file
+
+    def walk(self, dirs, filegroups):
+        pass
diff --git a/obnam/formatTests.py b/obnam/formatTests.py
index 98c8868d..20cc4718 100644
--- a/obnam/formatTests.py
+++ b/obnam/formatTests.py
@@ -19,6 +19,7 @@
 
 
 import stat
+import StringIO
 import unittest
 
 
@@ -109,3 +110,15 @@ class FormatTimeTests(unittest.TestCase):
 
     def test(self):
         self.failUnlessEqual(obnam.format.timestamp(1), "1970-01-01 00:00:01")
+
+
+
+class ListingTests(unittest.TestCase):
+
+    def setUp(self):
+        self.file = StringIO.StringIO()
+        self.listing = obnam.format.Listing(self.file)
+
+    def testReturnsNothingForNothing(self):
+        self.listing.walk([], [])
+        self.failUnlessEqual(self.file.getvalue(), "")