import os, os.path, unittest

from django.contrib.gis.gdal import Driver, OGRException

valid_drivers = ('ESRI Shapefile', 'MapInfo File', 'TIGER', 'S57', 'DGN',

                 'Memory', 'CSV', 'GML', 'KML')

invalid_drivers = ('Foo baz', 'clucka', 'ESRI Shp')

aliases = {'eSrI' : 'ESRI Shapefile',

           'TigER/linE' : 'TIGER',

           'SHAPE' : 'ESRI Shapefile',

           'sHp' : 'ESRI Shapefile',

           }

class DriverTest(unittest.TestCase):

    def test01_valid_driver(self):

        "Testing valid OGR Data Source Drivers."

        for d in valid_drivers:

            dr = Driver(d)

            self.assertEqual(d, str(dr))

    def test02_invalid_driver(self):

        "Testing invalid OGR Data Source Drivers."

        for i in invalid_drivers:

            self.assertRaises(OGRException, Driver, i)

    def test03_aliases(self):

        "Testing driver aliases."

        for alias, full_name in aliases.items():

            dr = Driver(alias)

            self.assertEqual(full_name, str(dr))

def suite():

    s = unittest.TestSuite()

    s.addTest(unittest.makeSuite(DriverTest))

    return s

def run(verbosity=2):

    unittest.TextTestRunner(verbosity=verbosity).run(suite())