81 lines
2.3 KiB
Python
81 lines
2.3 KiB
Python
import unittest
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from unittest import mock
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from django.contrib.gis.gdal import HAS_GDAL
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if HAS_GDAL:
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from django.contrib.gis.gdal import Driver, GDALException
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valid_drivers = (
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# vector
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'ESRI Shapefile', 'MapInfo File', 'TIGER', 'S57', 'DGN', 'Memory', 'CSV',
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'GML', 'KML',
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# raster
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'GTiff', 'JPEG', 'MEM', 'PNG',
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)
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invalid_drivers = ('Foo baz', 'clucka', 'ESRI Shp', 'ESRI rast')
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aliases = {
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'eSrI': 'ESRI Shapefile',
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'TigER/linE': 'TIGER',
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'SHAPE': 'ESRI Shapefile',
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'sHp': 'ESRI Shapefile',
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'tiFf': 'GTiff',
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'tIf': 'GTiff',
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'jPEg': 'JPEG',
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'jpG': 'JPEG',
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}
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@unittest.skipUnless(HAS_GDAL, "GDAL is required")
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class DriverTest(unittest.TestCase):
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def test01_valid_driver(self):
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"Testing valid GDAL/OGR Data Source Drivers."
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for d in valid_drivers:
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dr = Driver(d)
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self.assertEqual(d, str(dr))
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def test02_invalid_driver(self):
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"Testing invalid GDAL/OGR Data Source Drivers."
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for i in invalid_drivers:
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with self.assertRaises(GDALException):
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Driver(i)
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def test03_aliases(self):
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"Testing driver aliases."
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for alias, full_name in aliases.items():
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dr = Driver(alias)
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self.assertEqual(full_name, str(dr))
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@mock.patch('django.contrib.gis.gdal.driver.vcapi.get_driver_count')
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@mock.patch('django.contrib.gis.gdal.driver.rcapi.get_driver_count')
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@mock.patch('django.contrib.gis.gdal.driver.vcapi.register_all')
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@mock.patch('django.contrib.gis.gdal.driver.rcapi.register_all')
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def test_registered(self, rreg, vreg, rcount, vcount):
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"""
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Prototypes are registered only if their respective driver counts are
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zero.
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"""
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def check(rcount_val, vcount_val):
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vreg.reset_mock()
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rreg.reset_mock()
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rcount.return_value = rcount_val
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vcount.return_value = vcount_val
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Driver.ensure_registered()
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if rcount_val:
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self.assertFalse(rreg.called)
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else:
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rreg.assert_called_once_with()
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if vcount_val:
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self.assertFalse(vreg.called)
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else:
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vreg.assert_called_once_with()
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check(0, 0)
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check(120, 0)
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check(0, 120)
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check(120, 120)
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