Python django.db.migrations.migration.Migration() Examples

The following are 8 code examples of django.db.migrations.migration.Migration(). 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. You may also want to check out all available functions/classes of the module django.db.migrations.migration , or try the search function .
Example #1
Source File: test_operations.py    From django-sqlserver with MIT License 5 votes vote down vote up 
def apply_operations(self, app_label, project_state, operations):
        migration = Migration('name', app_label)
        migration.operations = operations
        with connection.schema_editor() as editor:
            return migration.apply(project_state, editor)
Example #2
Source File: test_operations.py    From django-sqlserver with MIT License 5 votes vote down vote up 
def unapply_operations(self, app_label, project_state, operations):
        migration = Migration('name', app_label)
        migration.operations = operations
        with connection.schema_editor() as editor:
            return migration.unapply(project_state, editor)
Example #3
Source File: test_operations.py    From djongo with GNU Affero General Public License v3.0 5 votes vote down vote up 
def apply_operations(self, app_label, project_state, operations, atomic=True):
        migration = Migration('name', app_label)
        migration.operations = operations
        with connection.schema_editor(atomic=atomic) as editor:
            return migration.apply(project_state, editor)
Example #4
Source File: test_operations.py    From djongo with GNU Affero General Public License v3.0 5 votes vote down vote up 
def unapply_operations(self, app_label, project_state, operations, atomic=True):
        migration = Migration('name', app_label)
        migration.operations = operations
        with connection.schema_editor(atomic=atomic) as editor:
            return migration.unapply(project_state, editor)
Example #5
Source File: test_operations.py    From djongo with GNU Affero General Public License v3.0 5 votes vote down vote up 
def apply_operations(self, app_label, project_state, operations):
        migration = Migration('name', app_label)
        migration.operations = operations
        with connection.schema_editor() as editor:
            return migration.apply(project_state, editor)
Example #6
Source File: test_operations.py    From djongo with GNU Affero General Public License v3.0 5 votes vote down vote up 
def apply_operations(self, app_label, project_state, operations, atomic=True):
        migration = Migration('name', app_label)
        migration.operations = operations
        with connection.schema_editor(atomic=atomic) as editor:
            return migration.apply(project_state, editor)
Example #7
Source File: test_operations.py    From djongo with GNU Affero General Public License v3.0 5 votes vote down vote up 
def unapply_operations(self, app_label, project_state, operations, atomic=True):
        migration = Migration('name', app_label)
        migration.operations = operations
        with connection.schema_editor(atomic=atomic) as editor:
            return migration.unapply(project_state, editor)
Example #8
Source File: test_operations.py    From django-sqlserver with MIT License 4 votes vote down vote up 
def test_run_python_atomic(self):
        """
        Tests the RunPython operation correctly handles the "atomic" keyword
        """
        project_state = self.set_up_test_model("test_runpythonatomic", mti_model=True)

        def inner_method(models, schema_editor):
            Pony = models.get_model("test_runpythonatomic", "Pony")
            Pony.objects.create(pink=1, weight=3.55)
            raise ValueError("Adrian hates ponies.")

        atomic_migration = Migration("test", "test_runpythonatomic")
        atomic_migration.operations = [migrations.RunPython(inner_method)]
        non_atomic_migration = Migration("test", "test_runpythonatomic")
        non_atomic_migration.operations = [migrations.RunPython(inner_method, atomic=False)]
        # If we're a fully-transactional database, both versions should rollback
        if connection.features.can_rollback_ddl:
            self.assertEqual(project_state.apps.get_model("test_runpythonatomic", "Pony").objects.count(), 0)
            with self.assertRaises(ValueError):
                with connection.schema_editor() as editor:
                    atomic_migration.apply(project_state, editor)
            self.assertEqual(project_state.apps.get_model("test_runpythonatomic", "Pony").objects.count(), 0)
            with self.assertRaises(ValueError):
                with connection.schema_editor() as editor:
                    non_atomic_migration.apply(project_state, editor)
            self.assertEqual(project_state.apps.get_model("test_runpythonatomic", "Pony").objects.count(), 0)
        # Otherwise, the non-atomic operation should leave a row there
        else:
            self.assertEqual(project_state.apps.get_model("test_runpythonatomic", "Pony").objects.count(), 0)
            with self.assertRaises(ValueError):
                with connection.schema_editor() as editor:
                    atomic_migration.apply(project_state, editor)
            self.assertEqual(project_state.apps.get_model("test_runpythonatomic", "Pony").objects.count(), 0)
            with self.assertRaises(ValueError):
                with connection.schema_editor() as editor:
                    non_atomic_migration.apply(project_state, editor)
            self.assertEqual(project_state.apps.get_model("test_runpythonatomic", "Pony").objects.count(), 1)
        # And deconstruction
        definition = non_atomic_migration.operations[0].deconstruct()
        self.assertEqual(definition[0], "RunPython")
        self.assertEqual(definition[1], [])
        self.assertEqual(sorted(definition[2]), ["atomic", "code"])