from google.appengine.ext import db
from google.appengine.ext.db import polymodel


class Recurrence(polymodel.PolyModel):

    week_start = db.StringProperty(required=True, default='MO',
                                  choices=set(['MO','TU','WE']))

    count = db.IntegerProperty(required=False, default=0)
    interval = db.IntegerProperty(required=False, default=0)
    until = db.DateTimeProperty(required=False, default=0)


def valid_day(day):
    return day in range(1, 32)


class DailyRecurrence(Recurrence):

    days = db.ListProperty(int, validator=lambda x: map(valid_day, x))



----------------------------------------------------------------------------
----------------------------------------------------------------------------

        recurrence1 = DailyRecurrence(days=[1, 10, 31])  -> OK
        self.assertRaises(BadValueError, DailyRecurrence, days=['a']) -> OK
        self.assertRaises(BadValueError, DailyRecurrence, days=['-1']) -> OK

        recurrence1.days = ['3','5','10'] -> falla estrepitosamente



test_user (models.tests.test_user.UserTestCase) ... ok
test_recurrence (models.tests.test_recurrences.RecurrenceTestCase) ... ERROR

======================================================================
ERROR: test_recurrence (models.tests.test_recurrences.RecurrenceTestCase)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/mpaolino/Ideal/git/spot.git/src/backend/models/tests/test_recurrences.py", line 28, in test_recurrence
    recurrence1.days = ['3','5','10']
  File "/opt/google-appengine/google/appengine/ext/db/__init__.py", line 593, in __set__
    value = self.validate(value)
  File "/opt/google-appengine/google/appengine/ext/db/__init__.py", line 3184, in validate
    value = self.validate_list_contents(value)
  File "/opt/google-appengine/google/appengine/ext/db/__init__.py", line 3206, in validate_list_contents
    self.name)
BadValueError: Items in the days list must all be integers.

----------------------------------------------------------------------
Ran 55 tests in 0.259s

FAILED (errors=1)