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Refs #27056 -- Rearranged gis_migrations test case classes
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@ -20,14 +20,21 @@ if connection.features.gis_enabled:
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@skipUnlessDBFeature('gis_enabled')
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class OperationTests(TransactionTestCase):
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class OperationTestCase(TransactionTestCase):
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available_apps = ['gis_tests.gis_migrations']
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def tearDown(self):
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# Delete table after testing
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if hasattr(self, 'current_state'):
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self.apply_operations('gis', self.current_state, [migrations.DeleteModel('Neighborhood')])
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super(OperationTests, self).tearDown()
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super(OperationTestCase, self).tearDown()
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@property
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def has_spatial_indexes(self):
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if mysql:
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with connection.cursor() as cursor:
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return connection.introspection.supports_spatial_index(cursor, 'gis_neighborhood')
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return True
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def get_table_description(self, table):
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with connection.cursor() as cursor:
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@ -54,7 +61,7 @@ class OperationTests(TransactionTestCase):
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if connection.features.supports_raster or force_raster_creation:
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test_fields += [('rast', fields.RasterField(srid=4326))]
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operations = [migrations.CreateModel('Neighborhood', test_fields)]
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return self.apply_operations('gis', ProjectState(), operations)
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self.current_state = self.apply_operations('gis', ProjectState(), operations)
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def assertGeometryColumnsCount(self, expected_count):
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table_name = 'gis_neighborhood'
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@ -80,18 +87,23 @@ class OperationTests(TransactionTestCase):
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self.assertIn([column], [c['columns'] for c in constraints.values()])
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def alter_gis_model(self, migration_class, model_name, field_name,
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blank=False, field_class=None):
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project_state = self.set_up_test_model()
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self.current_state = project_state
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blank=False, field_class=None, field_class_kwargs=None):
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args = [model_name, field_name]
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if field_class:
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args.append(field_class(srid=4326, blank=blank))
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field_class_kwargs = field_class_kwargs or {'srid': 4326, 'blank': blank}
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args.append(field_class(**field_class_kwargs))
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operation = migration_class(*args)
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new_state = project_state.clone()
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operation.state_forwards('gis', new_state)
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self.current_state = new_state
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old_state = self.current_state.clone()
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operation.state_forwards('gis', self.current_state)
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with connection.schema_editor() as editor:
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operation.database_forwards('gis', editor, project_state, new_state)
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operation.database_forwards('gis', editor, old_state, self.current_state)
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class OperationTests(OperationTestCase):
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def setUp(self):
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super(OperationTests, self).setUp()
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self.set_up_test_model()
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def test_add_geom_field(self):
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"""
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@ -120,27 +132,6 @@ class OperationTests(TransactionTestCase):
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if self.has_spatial_indexes:
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self.assertSpatialIndexExists('gis_neighborhood', 'heatmap', raster=True)
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@skipIfDBFeature('supports_raster')
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def test_create_raster_model_on_db_without_raster_support(self):
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"""
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Test creating a model with a raster field on a db without raster support.
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"""
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msg = 'Raster fields require backends with raster support.'
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with self.assertRaisesMessage(ImproperlyConfigured, msg):
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self.set_up_test_model(True)
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@skipIfDBFeature('supports_raster')
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def test_add_raster_field_on_db_without_raster_support(self):
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"""
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Test adding a raster field on a db without raster support.
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"""
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msg = 'Raster fields require backends with raster support.'
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with self.assertRaisesMessage(ImproperlyConfigured, msg):
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self.alter_gis_model(
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migrations.AddField, 'Neighborhood', 'heatmap',
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False, fields.RasterField
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)
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def test_add_blank_geom_field(self):
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"""
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Should be able to add a GeometryField with blank=True.
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@ -188,8 +179,6 @@ class OperationTests(TransactionTestCase):
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self.assertColumnNotExists('gis_neighborhood', 'rast')
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def test_create_model_spatial_index(self):
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self.current_state = self.set_up_test_model()
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if not self.has_spatial_indexes:
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self.skipTest('No support for Spatial indexes')
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@ -198,9 +187,19 @@ class OperationTests(TransactionTestCase):
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if connection.features.supports_raster:
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self.assertSpatialIndexExists('gis_neighborhood', 'rast', raster=True)
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@property
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def has_spatial_indexes(self):
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if mysql:
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with connection.cursor() as cursor:
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return connection.introspection.supports_spatial_index(cursor, 'gis_neighborhood')
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return True
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@skipIfDBFeature('supports_raster')
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class NoRasterSupportTests(OperationTestCase):
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def test_create_raster_model_on_db_without_raster_support(self):
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msg = 'Raster fields require backends with raster support.'
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with self.assertRaisesMessage(ImproperlyConfigured, msg):
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self.set_up_test_model(force_raster_creation=True)
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def test_add_raster_field_on_db_without_raster_support(self):
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msg = 'Raster fields require backends with raster support.'
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with self.assertRaisesMessage(ImproperlyConfigured, msg):
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self.set_up_test_model()
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self.alter_gis_model(
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migrations.AddField, 'Neighborhood', 'heatmap',
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False, fields.RasterField
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)
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