# Copyright 2007 Google Inc.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
"""Unit tests for automount.py.

We only test what is overridden in the automount subclasses, most
functionality is in base.py and tested in passwd_test.py since a
subclass is required to test the abstract class functionality.
"""

__author__ = 'vasilios@google.com (Vasilios Hoffman)'

import unittest

from nss_cache.maps import automount
from nss_cache.maps import passwd


class TestAutomountMap(unittest.TestCase):
    """Tests for the AutomountMap class."""

    def __init__(self, obj):
        """Set some default avalible data for testing."""
        super(TestAutomountMap, self).__init__(obj)
        self._good_entry = automount.AutomountMapEntry()
        self._good_entry.key = 'foo'
        self._good_entry.options = '-tcp'
        self._good_entry.location = 'nfsserver:/mah/stuff'

    def testInit(self):
        """Construct an empty or seeded AutomountMap."""
        self.assertEqual(automount.AutomountMap,
                         type(automount.AutomountMap()),
                         msg='failed to create an empty AutomountMap')
        amap = automount.AutomountMap([self._good_entry])
        self.assertEqual(self._good_entry,
                         amap.PopItem(),
                         msg='failed to seed AutomountMap with list')
        self.assertRaises(TypeError, automount.AutomountMap, ['string'])

    def testAdd(self):
        """Add throws an error for objects it can't verify."""
        amap = automount.AutomountMap()
        entry = self._good_entry
        self.assertTrue(amap.Add(entry), msg='failed to append new entry.')

        self.assertEqual(1, len(amap), msg='unexpected size for Map.')

        ret_entry = amap.PopItem()
        self.assertEqual(ret_entry, entry, msg='failed to pop correct entry.')

        pentry = passwd.PasswdMapEntry()
        pentry.name = 'foo'
        pentry.uid = 10
        pentry.gid = 10
        self.assertRaises(TypeError, amap.Add, pentry)


class TestAutomountMapEntry(unittest.TestCase):
    """Tests for the AutomountMapEntry class."""

    def testInit(self):
        """Construct an empty and seeded AutomountMapEntry."""
        self.assertTrue(automount.AutomountMapEntry(),
                        msg='Could not create empty AutomountMapEntry')
        seed = {'key': 'foo', 'location': '/dev/sda1'}
        entry = automount.AutomountMapEntry(seed)
        self.assertTrue(entry.Verify(),
                        msg='Could not verify seeded AutomountMapEntry')
        self.assertEqual(entry.key,
                         'foo',
                         msg='Entry returned wrong value for name')
        self.assertEqual(entry.options,
                         None,
                         msg='Entry returned wrong value for options')
        self.assertEqual(entry.location,
                         '/dev/sda1',
                         msg='Entry returned wrong value for location')

    def testAttributes(self):
        """Test that we can get and set all expected attributes."""
        entry = automount.AutomountMapEntry()
        entry.key = 'foo'
        self.assertEqual(entry.key, 'foo', msg='Could not set attribute: key')
        entry.options = 'noatime'
        self.assertEqual(entry.options,
                         'noatime',
                         msg='Could not set attribute: options')
        entry.location = '/dev/ipod'
        self.assertEqual(entry.location,
                         '/dev/ipod',
                         msg='Could not set attribute: location')

    def testVerify(self):
        """Test that the object can verify it's attributes and itself."""
        entry = automount.AutomountMapEntry()

        # Empty object should bomb
        self.assertFalse(entry.Verify())

    def testKey(self):
        """Key() should return the value of the 'key' attribute."""
        entry = automount.AutomountMapEntry()
        entry.key = 'foo'
        self.assertEqual(entry.Key(), entry.key)


if __name__ == '__main__':
    unittest.main()
