Start playing with unit tests.

sugar/date.py

@@ -21,12 +21,13 @@ import datetime
 
 class Date(object):
     """Date-object storing a simple time.time() float
-    
-    XXX not sure about the rationale for this class,
-    possibly it makes transfer over dbus easier?
+
+       Useful to display dates in the UI in an
+       abbreviated and easy to read format.
     """
     def __init__(self, timestamp):
         """Initialise via a timestamp (floating point value)"""
+        self._today = datetime.date.today()
         self._timestamp = timestamp
 
     def __str__(self):
@@ -39,14 +40,13 @@ class Date(object):
         the year in the date.
         """
         date = datetime.date.fromtimestamp(self._timestamp)
-        today = datetime.date.today()
 
         # FIXME localization
-        if date == today:
+        if date == self._today:
             result = 'Today'
-        elif date == today - datetime.timedelta(1):
+        elif date == self._today - datetime.timedelta(1):
             result = 'Yesterday'
-        elif date.year == today.year:
+        elif date.year == self._today.year:
             result = date.strftime('%B %d')
         else:
             result = date.strftime('%B %d, %Y')

tests/sugar/runall.py

@@ -0,0 +1,28 @@
+# Copyright (C) 2007, Red Hat, Inc.
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the
+# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+# Boston, MA 02111-1307, USA.
+
+import unittest
+
+import test_date
+
+runner = unittest.TextTestRunner()
+loader = unittest.TestLoader()
+
+suite = unittest.TestSuite()
+suite.addTest(loader.loadTestsFromModule(test_date))
+
+runner.run(suite)

tests/sugar/test_date.py

@@ -0,0 +1,30 @@
+# Copyright (C) 2007, Red Hat, Inc.
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the
+# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+# Boston, MA 02111-1307, USA.
+
+import datetime
+import unittest
+
+from sugar.date import Date
+
+class TestDate(unittest.TestCase):
+    def test_today(self):
+        date = Date(datetime.date(2000, 1, 1))
+        date._today = datetime.date(2000, 1, 1)
+        self.assertEqual(str(date), 'Today')
+
+if __name__ == "__main__":
+    unittest.main()