mirror of
				https://github.com/django/django.git
				synced 2025-10-30 17:16:10 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			189 lines
		
	
	
		
			8.6 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			189 lines
		
	
	
		
			8.6 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| import unittest
 | |
| 
 | |
| from migrations.test_base import OperationTestBase
 | |
| 
 | |
| from django.db import NotSupportedError, connection
 | |
| from django.db.migrations.state import ProjectState
 | |
| from django.db.models import Index
 | |
| from django.test import modify_settings, override_settings
 | |
| from django.test.utils import CaptureQueriesContext
 | |
| 
 | |
| from . import PostgreSQLTestCase
 | |
| 
 | |
| try:
 | |
|     from django.contrib.postgres.operations import (
 | |
|         AddIndexConcurrently, CreateExtension, RemoveIndexConcurrently,
 | |
|     )
 | |
|     from django.contrib.postgres.indexes import BrinIndex, BTreeIndex
 | |
| except ImportError:
 | |
|     pass
 | |
| 
 | |
| 
 | |
| @unittest.skipUnless(connection.vendor == 'postgresql', 'PostgreSQL specific tests.')
 | |
| @modify_settings(INSTALLED_APPS={'append': 'migrations'})
 | |
| class AddIndexConcurrentlyTests(OperationTestBase):
 | |
|     app_label = 'test_add_concurrently'
 | |
| 
 | |
|     def test_requires_atomic_false(self):
 | |
|         project_state = self.set_up_test_model(self.app_label)
 | |
|         new_state = project_state.clone()
 | |
|         operation = AddIndexConcurrently(
 | |
|             'Pony',
 | |
|             Index(fields=['pink'], name='pony_pink_idx'),
 | |
|         )
 | |
|         msg = (
 | |
|             'The AddIndexConcurrently operation cannot be executed inside '
 | |
|             'a transaction (set atomic = False on the migration).'
 | |
|         )
 | |
|         with self.assertRaisesMessage(NotSupportedError, msg):
 | |
|             with connection.schema_editor(atomic=True) as editor:
 | |
|                 operation.database_forwards(self.app_label, editor, project_state, new_state)
 | |
| 
 | |
|     def test_add(self):
 | |
|         project_state = self.set_up_test_model(self.app_label, index=False)
 | |
|         table_name = '%s_pony' % self.app_label
 | |
|         index = Index(fields=['pink'], name='pony_pink_idx')
 | |
|         new_state = project_state.clone()
 | |
|         operation = AddIndexConcurrently('Pony', index)
 | |
|         self.assertEqual(
 | |
|             operation.describe(),
 | |
|             'Concurrently create index pony_pink_idx on field(s) pink of '
 | |
|             'model Pony'
 | |
|         )
 | |
|         operation.state_forwards(self.app_label, new_state)
 | |
|         self.assertEqual(len(new_state.models[self.app_label, 'pony'].options['indexes']), 1)
 | |
|         self.assertIndexNotExists(table_name, ['pink'])
 | |
|         # Add index.
 | |
|         with connection.schema_editor(atomic=False) as editor:
 | |
|             operation.database_forwards(self.app_label, editor, project_state, new_state)
 | |
|         self.assertIndexExists(table_name, ['pink'])
 | |
|         # Reversal.
 | |
|         with connection.schema_editor(atomic=False) as editor:
 | |
|             operation.database_backwards(self.app_label, editor, new_state, project_state)
 | |
|         self.assertIndexNotExists(table_name, ['pink'])
 | |
|         # Deconstruction.
 | |
|         name, args, kwargs = operation.deconstruct()
 | |
|         self.assertEqual(name, 'AddIndexConcurrently')
 | |
|         self.assertEqual(args, [])
 | |
|         self.assertEqual(kwargs, {'model_name': 'Pony', 'index': index})
 | |
| 
 | |
|     def test_add_other_index_type(self):
 | |
|         project_state = self.set_up_test_model(self.app_label, index=False)
 | |
|         table_name = '%s_pony' % self.app_label
 | |
|         new_state = project_state.clone()
 | |
|         operation = AddIndexConcurrently(
 | |
|             'Pony',
 | |
|             BrinIndex(fields=['pink'], name='pony_pink_brin_idx'),
 | |
|         )
 | |
|         self.assertIndexNotExists(table_name, ['pink'])
 | |
|         # Add index.
 | |
|         with connection.schema_editor(atomic=False) as editor:
 | |
|             operation.database_forwards(self.app_label, editor, project_state, new_state)
 | |
|         self.assertIndexExists(table_name, ['pink'], index_type='brin')
 | |
|         # Reversal.
 | |
|         with connection.schema_editor(atomic=False) as editor:
 | |
|             operation.database_backwards(self.app_label, editor, new_state, project_state)
 | |
|         self.assertIndexNotExists(table_name, ['pink'])
 | |
| 
 | |
|     def test_add_with_options(self):
 | |
|         project_state = self.set_up_test_model(self.app_label, index=False)
 | |
|         table_name = '%s_pony' % self.app_label
 | |
|         new_state = project_state.clone()
 | |
|         index = BTreeIndex(fields=['pink'], name='pony_pink_btree_idx', fillfactor=70)
 | |
|         operation = AddIndexConcurrently('Pony', index)
 | |
|         self.assertIndexNotExists(table_name, ['pink'])
 | |
|         # Add index.
 | |
|         with connection.schema_editor(atomic=False) as editor:
 | |
|             operation.database_forwards(self.app_label, editor, project_state, new_state)
 | |
|         self.assertIndexExists(table_name, ['pink'], index_type='btree')
 | |
|         # Reversal.
 | |
|         with connection.schema_editor(atomic=False) as editor:
 | |
|             operation.database_backwards(self.app_label, editor, new_state, project_state)
 | |
|         self.assertIndexNotExists(table_name, ['pink'])
 | |
| 
 | |
| 
 | |
| @unittest.skipUnless(connection.vendor == 'postgresql', 'PostgreSQL specific tests.')
 | |
| @modify_settings(INSTALLED_APPS={'append': 'migrations'})
 | |
| class RemoveIndexConcurrentlyTests(OperationTestBase):
 | |
|     app_label = 'test_rm_concurrently'
 | |
| 
 | |
|     def test_requires_atomic_false(self):
 | |
|         project_state = self.set_up_test_model(self.app_label, index=True)
 | |
|         new_state = project_state.clone()
 | |
|         operation = RemoveIndexConcurrently('Pony', 'pony_pink_idx')
 | |
|         msg = (
 | |
|             'The RemoveIndexConcurrently operation cannot be executed inside '
 | |
|             'a transaction (set atomic = False on the migration).'
 | |
|         )
 | |
|         with self.assertRaisesMessage(NotSupportedError, msg):
 | |
|             with connection.schema_editor(atomic=True) as editor:
 | |
|                 operation.database_forwards(self.app_label, editor, project_state, new_state)
 | |
| 
 | |
|     def test_remove(self):
 | |
|         project_state = self.set_up_test_model(self.app_label, index=True)
 | |
|         table_name = '%s_pony' % self.app_label
 | |
|         self.assertTableExists(table_name)
 | |
|         new_state = project_state.clone()
 | |
|         operation = RemoveIndexConcurrently('Pony', 'pony_pink_idx')
 | |
|         self.assertEqual(
 | |
|             operation.describe(),
 | |
|             'Concurrently remove index pony_pink_idx from Pony',
 | |
|         )
 | |
|         operation.state_forwards(self.app_label, new_state)
 | |
|         self.assertEqual(len(new_state.models[self.app_label, 'pony'].options['indexes']), 0)
 | |
|         self.assertIndexExists(table_name, ['pink'])
 | |
|         # Remove index.
 | |
|         with connection.schema_editor(atomic=False) as editor:
 | |
|             operation.database_forwards(self.app_label, editor, project_state, new_state)
 | |
|         self.assertIndexNotExists(table_name, ['pink'])
 | |
|         # Reversal.
 | |
|         with connection.schema_editor(atomic=False) as editor:
 | |
|             operation.database_backwards(self.app_label, editor, new_state, project_state)
 | |
|         self.assertIndexExists(table_name, ['pink'])
 | |
|         # Deconstruction.
 | |
|         name, args, kwargs = operation.deconstruct()
 | |
|         self.assertEqual(name, 'RemoveIndexConcurrently')
 | |
|         self.assertEqual(args, [])
 | |
|         self.assertEqual(kwargs, {'model_name': 'Pony', 'name': 'pony_pink_idx'})
 | |
| 
 | |
| 
 | |
| class NoExtensionRouter():
 | |
|     def allow_migrate(self, db, app_label, **hints):
 | |
|         return False
 | |
| 
 | |
| 
 | |
| @unittest.skipUnless(connection.vendor == 'postgresql', 'PostgreSQL specific tests.')
 | |
| class CreateExtensionTests(PostgreSQLTestCase):
 | |
|     app_label = 'test_allow_create_extention'
 | |
| 
 | |
|     @override_settings(DATABASE_ROUTERS=[NoExtensionRouter()])
 | |
|     def test_no_allow_migrate(self):
 | |
|         operation = CreateExtension('uuid-ossp')
 | |
|         project_state = ProjectState()
 | |
|         new_state = project_state.clone()
 | |
|         # Don't create an extension.
 | |
|         with CaptureQueriesContext(connection) as captured_queries:
 | |
|             with connection.schema_editor(atomic=False) as editor:
 | |
|                 operation.database_forwards(self.app_label, editor, project_state, new_state)
 | |
|         self.assertEqual(len(captured_queries), 0)
 | |
|         # Reversal.
 | |
|         with CaptureQueriesContext(connection) as captured_queries:
 | |
|             with connection.schema_editor(atomic=False) as editor:
 | |
|                 operation.database_backwards(self.app_label, editor, new_state, project_state)
 | |
|         self.assertEqual(len(captured_queries), 0)
 | |
| 
 | |
|     def test_allow_migrate(self):
 | |
|         operation = CreateExtension('uuid-ossp')
 | |
|         project_state = ProjectState()
 | |
|         new_state = project_state.clone()
 | |
|         # Create an extension.
 | |
|         with CaptureQueriesContext(connection) as captured_queries:
 | |
|             with connection.schema_editor(atomic=False) as editor:
 | |
|                 operation.database_forwards(self.app_label, editor, project_state, new_state)
 | |
|         self.assertIn('CREATE EXTENSION', captured_queries[0]['sql'])
 | |
|         # Reversal.
 | |
|         with CaptureQueriesContext(connection) as captured_queries:
 | |
|             with connection.schema_editor(atomic=False) as editor:
 | |
|                 operation.database_backwards(self.app_label, editor, new_state, project_state)
 | |
|         self.assertIn('DROP EXTENSION', captured_queries[0]['sql'])
 |