Python django.db.migrations.AlterModelTable() Examples

The following are 16 code examples for showing how to use django.db.migrations.AlterModelTable(). These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example.

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Example 1
Project: django-sqlserver   Author: denisenkom   File: test_operations.py    License: MIT License 6 votes vote down vote up 
def test_alter_model_table_noop(self):
        """
        Tests the AlterModelTable operation if the table name is not changed.
        """
        project_state = self.set_up_test_model("test_almota")
        # Test the state alteration
        operation = migrations.AlterModelTable("Pony", "test_almota_pony")
        new_state = project_state.clone()
        operation.state_forwards("test_almota", new_state)
        self.assertEqual(new_state.models["test_almota", "pony"].options["db_table"], "test_almota_pony")
        # Test the database alteration
        self.assertTableExists("test_almota_pony")
        with connection.schema_editor() as editor:
            operation.database_forwards("test_almota", editor, project_state, new_state)
        self.assertTableExists("test_almota_pony")
        # And test reversal
        with connection.schema_editor() as editor:
            operation.database_backwards("test_almota", editor, new_state, project_state)
        self.assertTableExists("test_almota_pony")
Example 2
Project: djongo   Author: nesdis   File: test_operations.py    License: GNU Affero General Public License v3.0 6 votes vote down vote up 
def test_alter_model_table_noop(self):
        """
        Tests the AlterModelTable operation if the table name is not changed.
        """
        project_state = self.set_up_test_model("test_almota")
        # Test the state alteration
        operation = migrations.AlterModelTable("Pony", "test_almota_pony")
        new_state = project_state.clone()
        operation.state_forwards("test_almota", new_state)
        self.assertEqual(new_state.models["test_almota", "pony"].options["db_table"], "test_almota_pony")
        # Test the database alteration
        self.assertTableExists("test_almota_pony")
        with connection.schema_editor() as editor:
            operation.database_forwards("test_almota", editor, project_state, new_state)
        self.assertTableExists("test_almota_pony")
        # And test reversal
        with connection.schema_editor() as editor:
            operation.database_backwards("test_almota", editor, new_state, project_state)
        self.assertTableExists("test_almota_pony")
Example 3
Project: djongo   Author: nesdis   File: test_operations.py    License: GNU Affero General Public License v3.0 6 votes vote down vote up 
def test_alter_model_table_noop(self):
        """
        Tests the AlterModelTable operation if the table name is not changed.
        """
        project_state = self.set_up_test_model("test_almota")
        # Test the state alteration
        operation = migrations.AlterModelTable("Pony", "test_almota_pony")
        new_state = project_state.clone()
        operation.state_forwards("test_almota", new_state)
        self.assertEqual(new_state.models["test_almota", "pony"].options["db_table"], "test_almota_pony")
        # Test the database alteration
        self.assertTableExists("test_almota_pony")
        with connection.schema_editor() as editor:
            operation.database_forwards("test_almota", editor, project_state, new_state)
        self.assertTableExists("test_almota_pony")
        # And test reversal
        with connection.schema_editor() as editor:
            operation.database_backwards("test_almota", editor, new_state, project_state)
        self.assertTableExists("test_almota_pony")
Example 4
Project: django-sqlserver   Author: denisenkom   File: test_optimizer.py    License: MIT License 5 votes vote down vote up 
def _test_create_alter_foo_delete_model(self, alter_foo):
        """
        CreateModel, AlterModelTable, AlterUniqueTogether/AlterIndexTogether/
        AlterOrderWithRespectTo, and DeleteModel should collapse into nothing.
        """
        self.assertOptimizesTo(
            [
                migrations.CreateModel("Foo", [("name", models.CharField(max_length=255))]),
                migrations.AlterModelTable("Foo", "woohoo"),
                alter_foo,
                migrations.DeleteModel("Foo"),
            ],
            [],
        )
Example 5
Project: django-sqlserver   Author: denisenkom   File: test_optimizer.py    License: MIT License 5 votes vote down vote up 
def test_alter_alter_table_model(self):
        self._test_alter_alter_model(
            migrations.AlterModelTable("Foo", "a"),
            migrations.AlterModelTable("Foo", "b"),
        )
Example 6
Project: django-sqlserver   Author: denisenkom   File: test_operations.py    License: MIT License 5 votes vote down vote up 
def test_alter_model_table(self):
        """
        Tests the AlterModelTable operation.
        """
        project_state = self.set_up_test_model("test_almota")
        # Test the state alteration
        operation = migrations.AlterModelTable("Pony", "test_almota_pony_2")
        self.assertEqual(operation.describe(), "Rename table for Pony to test_almota_pony_2")
        new_state = project_state.clone()
        operation.state_forwards("test_almota", new_state)
        self.assertEqual(new_state.models["test_almota", "pony"].options["db_table"], "test_almota_pony_2")
        # Test the database alteration
        self.assertTableExists("test_almota_pony")
        self.assertTableNotExists("test_almota_pony_2")
        with connection.schema_editor() as editor:
            operation.database_forwards("test_almota", editor, project_state, new_state)
        self.assertTableNotExists("test_almota_pony")
        self.assertTableExists("test_almota_pony_2")
        # And test reversal
        with connection.schema_editor() as editor:
            operation.database_backwards("test_almota", editor, new_state, project_state)
        self.assertTableExists("test_almota_pony")
        self.assertTableNotExists("test_almota_pony_2")
        # And deconstruction
        definition = operation.deconstruct()
        self.assertEqual(definition[0], "AlterModelTable")
        self.assertEqual(definition[1], [])
        self.assertEqual(definition[2], {'name': "Pony", 'table': "test_almota_pony_2"})
Example 7
Project: django-sqlserver   Author: denisenkom   File: test_operations.py    License: MIT License 5 votes vote down vote up 
def test_alter_model_table_none(self):
        """
        Tests the AlterModelTable operation if the table name is set to None.
        """
        operation = migrations.AlterModelTable("Pony", None)
        self.assertEqual(operation.describe(), "Rename table for Pony to (default)")
Example 8
Project: djongo   Author: nesdis   File: test_optimizer.py    License: GNU Affero General Public License v3.0 5 votes vote down vote up 
def _test_create_alter_foo_delete_model(self, alter_foo):
        """
        CreateModel, AlterModelTable, AlterUniqueTogether/AlterIndexTogether/
        AlterOrderWithRespectTo, and DeleteModel should collapse into nothing.
        """
        self.assertOptimizesTo(
            [
                migrations.CreateModel("Foo", [("name", models.CharField(max_length=255))]),
                migrations.AlterModelTable("Foo", "woohoo"),
                alter_foo,
                migrations.DeleteModel("Foo"),
            ],
            [],
        )
Example 9
Project: djongo   Author: nesdis   File: test_optimizer.py    License: GNU Affero General Public License v3.0 5 votes vote down vote up 
def test_alter_alter_table_model(self):
        self._test_alter_alter_model(
            migrations.AlterModelTable("Foo", "a"),
            migrations.AlterModelTable("Foo", "b"),
        )
Example 10
Project: djongo   Author: nesdis   File: test_operations.py    License: GNU Affero General Public License v3.0 5 votes vote down vote up 
def test_alter_model_table(self):
        """
        Tests the AlterModelTable operation.
        """
        project_state = self.set_up_test_model("test_almota")
        # Test the state alteration
        operation = migrations.AlterModelTable("Pony", "test_almota_pony_2")
        self.assertEqual(operation.describe(), "Rename table for Pony to test_almota_pony_2")
        new_state = project_state.clone()
        operation.state_forwards("test_almota", new_state)
        self.assertEqual(new_state.models["test_almota", "pony"].options["db_table"], "test_almota_pony_2")
        # Test the database alteration
        self.assertTableExists("test_almota_pony")
        self.assertTableNotExists("test_almota_pony_2")
        with connection.schema_editor() as editor:
            operation.database_forwards("test_almota", editor, project_state, new_state)
        self.assertTableNotExists("test_almota_pony")
        self.assertTableExists("test_almota_pony_2")
        # And test reversal
        with connection.schema_editor() as editor:
            operation.database_backwards("test_almota", editor, new_state, project_state)
        self.assertTableExists("test_almota_pony")
        self.assertTableNotExists("test_almota_pony_2")
        # And deconstruction
        definition = operation.deconstruct()
        self.assertEqual(definition[0], "AlterModelTable")
        self.assertEqual(definition[1], [])
        self.assertEqual(definition[2], {'name': "Pony", 'table': "test_almota_pony_2"})
Example 11
Project: djongo   Author: nesdis   File: test_operations.py    License: GNU Affero General Public License v3.0 5 votes vote down vote up 
def test_alter_model_table_none(self):
        """
        Tests the AlterModelTable operation if the table name is set to None.
        """
        operation = migrations.AlterModelTable("Pony", None)
        self.assertEqual(operation.describe(), "Rename table for Pony to (default)")
Example 12
Project: djongo   Author: nesdis   File: test_optimizer.py    License: GNU Affero General Public License v3.0 5 votes vote down vote up 
def _test_create_alter_foo_delete_model(self, alter_foo):
        """
        CreateModel, AlterModelTable, AlterUniqueTogether/AlterIndexTogether/
        AlterOrderWithRespectTo, and DeleteModel should collapse into nothing.
        """
        self.assertOptimizesTo(
            [
                migrations.CreateModel("Foo", [("name", models.CharField(max_length=255))]),
                migrations.AlterModelTable("Foo", "woohoo"),
                alter_foo,
                migrations.DeleteModel("Foo"),
            ],
            [],
        )
Example 13
Project: djongo   Author: nesdis   File: test_optimizer.py    License: GNU Affero General Public License v3.0 5 votes vote down vote up 
def test_alter_alter_table_model(self):
        self._test_alter_alter_model(
            migrations.AlterModelTable("Foo", "a"),
            migrations.AlterModelTable("Foo", "b"),
        )
Example 14
Project: djongo   Author: nesdis   File: test_operations.py    License: GNU Affero General Public License v3.0 5 votes vote down vote up 
def test_alter_model_table(self):
        """
        Tests the AlterModelTable operation.
        """
        project_state = self.set_up_test_model("test_almota")
        # Test the state alteration
        operation = migrations.AlterModelTable("Pony", "test_almota_pony_2")
        self.assertEqual(operation.describe(), "Rename table for Pony to test_almota_pony_2")
        new_state = project_state.clone()
        operation.state_forwards("test_almota", new_state)
        self.assertEqual(new_state.models["test_almota", "pony"].options["db_table"], "test_almota_pony_2")
        # Test the database alteration
        self.assertTableExists("test_almota_pony")
        self.assertTableNotExists("test_almota_pony_2")
        with connection.schema_editor() as editor:
            operation.database_forwards("test_almota", editor, project_state, new_state)
        self.assertTableNotExists("test_almota_pony")
        self.assertTableExists("test_almota_pony_2")
        # And test reversal
        with connection.schema_editor() as editor:
            operation.database_backwards("test_almota", editor, new_state, project_state)
        self.assertTableExists("test_almota_pony")
        self.assertTableNotExists("test_almota_pony_2")
        # And deconstruction
        definition = operation.deconstruct()
        self.assertEqual(definition[0], "AlterModelTable")
        self.assertEqual(definition[1], [])
        self.assertEqual(definition[2], {'name': "Pony", 'table': "test_almota_pony_2"})
Example 15
Project: djongo   Author: nesdis   File: test_operations.py    License: GNU Affero General Public License v3.0 5 votes vote down vote up 
def test_alter_model_table_none(self):
        """
        Tests the AlterModelTable operation if the table name is set to None.
        """
        operation = migrations.AlterModelTable("Pony", None)
        self.assertEqual(operation.describe(), "Rename table for Pony to (default)")
Example 16
Project: django-postgres-extra   Author: SectorLabs   File: migrations.py    License: MIT License 5 votes vote down vote up 
def alter_db_table(field, filters: List[str]):
    """Creates a model with the specified field and then renames the database
    table.

    Arguments:
        field:
            The field to include into the
            model.

        filters:
            List of strings to filter
            SQL statements on.
    """

    model = define_fake_model()
    state = migrations.state.ProjectState.from_apps(apps)

    apply_migration(
        [
            migrations.CreateModel(
                model.__name__, fields=[("title", field.clone())]
            )
        ],
        state,
    )

    with filtered_schema_editor(*filters) as calls:
        apply_migration(
            [migrations.AlterModelTable(model.__name__, "NewTableName")], state
        )

    yield calls