tests.py 文件源码

def test_time_field(self):
        # Only possible to test this on PostGIS at the momemnt.  MySQL
        # complains about permissions, and SpatiaLite/Oracle are
        # insanely difficult to get support compiled in for in GDAL.
        if not connections['default'].ops.postgis:
            self.skipTest("This database does not support 'ogrinspect'ion")

        # Getting the database identifier used by OGR, if None returned
        # GDAL does not have the support compiled in.
        ogr_db = get_ogr_db_string()
        if not ogr_db:
            self.skipTest("Your GDAL installation does not support PostGIS databases")

        # Writing shapefiles via GDAL currently does not support writing OGRTime
        # fields, so we need to actually use a database
        model_def = ogrinspect(ogr_db, 'Measurement',
                               layer_key=AllOGRFields._meta.db_table,
                               decimal=['f_decimal'])

        self.assertTrue(model_def.startswith(
            '# This is an auto-generated Django model module created by ogrinspect.\n'
            'from django.contrib.gis.db import models\n'
            '\n'
            'class Measurement(models.Model):\n'
        ))

        # The ordering of model fields might vary depending on several factors (version of GDAL, etc.)
        self.assertIn('    f_decimal = models.DecimalField(max_digits=0, decimal_places=0)', model_def)
        self.assertIn('    f_int = models.IntegerField()', model_def)
        self.assertIn('    f_datetime = models.DateTimeField()', model_def)
        self.assertIn('    f_time = models.TimeField()', model_def)
        self.assertIn('    f_float = models.FloatField()', model_def)
        self.assertIn('    f_char = models.CharField(max_length=10)', model_def)
        self.assertIn('    f_date = models.DateField()', model_def)

        self.assertTrue(model_def.endswith(
            '    geom = models.PolygonField()\n'
            '    objects = models.GeoManager()'
        ))