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86 lines
2.6 KiB
Python
86 lines
2.6 KiB
Python
import unittest
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from django.core.exceptions import ImproperlyConfigured
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from django.db import ProgrammingError
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try:
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from django.contrib.gis.db.backends.postgis.operations import (
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PostGISOperations,
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)
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HAS_POSTGRES = True
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except ImportError:
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HAS_POSTGRES = False
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if HAS_POSTGRES:
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class FakeConnection:
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def __init__(self):
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self.settings_dict = {
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'NAME': 'test',
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}
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class FakePostGISOperations(PostGISOperations):
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def __init__(self, version=None):
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self.version = version
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self.connection = FakeConnection()
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def _get_postgis_func(self, func):
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if func == 'postgis_lib_version':
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if self.version is None:
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raise ProgrammingError
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else:
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return self.version
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elif func == 'version':
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pass
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else:
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raise NotImplementedError('This function was not expected to be called')
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@unittest.skipUnless(HAS_POSTGRES, "The psycopg2 driver is needed for these tests")
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class TestPostGISVersionCheck(unittest.TestCase):
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"""
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The PostGIS version check parses correctly the version numbers
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"""
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def test_get_version(self):
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expect = '1.0.0'
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ops = FakePostGISOperations(expect)
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actual = ops.postgis_lib_version()
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self.assertEqual(expect, actual)
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def test_version_classic_tuple(self):
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expect = ('1.2.3', 1, 2, 3)
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ops = FakePostGISOperations(expect[0])
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actual = ops.postgis_version_tuple()
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self.assertEqual(expect, actual)
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def test_version_dev_tuple(self):
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expect = ('1.2.3dev', 1, 2, 3)
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ops = FakePostGISOperations(expect[0])
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actual = ops.postgis_version_tuple()
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self.assertEqual(expect, actual)
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def test_version_loose_tuple(self):
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expect = ('1.2.3b1.dev0', 1, 2, 3)
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ops = FakePostGISOperations(expect[0])
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actual = ops.postgis_version_tuple()
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self.assertEqual(expect, actual)
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def test_valid_version_numbers(self):
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versions = [
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('1.3.0', 1, 3, 0),
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('2.1.1', 2, 1, 1),
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('2.2.0dev', 2, 2, 0),
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]
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for version in versions:
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with self.subTest(version=version):
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ops = FakePostGISOperations(version[0])
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actual = ops.spatial_version
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self.assertEqual(version[1:], actual)
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def test_no_version_number(self):
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ops = FakePostGISOperations()
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with self.assertRaises(ImproperlyConfigured):
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ops.spatial_version
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