Differential D231 Diff 762 swh/vault/tests/vault_testing.py

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swh/vault/tests/vault_testing.py

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				# Copyright (C) 2017 The Software Heritage developers
				# See the AUTHORS file at the top-level directory of this distribution
				# License: GNU General Public License version 3, or any later version
				# See top-level LICENSE file for more information

				import tempfile
				import pathlib
				from swh.vault.backend import VaultBackend


				class VaultTestFixture:
				"""Mix this in a test subject class to get Vault Database testing support.

				This fixture requires to come before DbTestFixture and StorageTestFixture
				in the inheritance list as it uses their methods to setup its own internal
				components.

				Usage example:

				class TestVault(VaultTestFixture, StorageTestFixture, DbTestFixture):
				...
				"""
				TEST_VAULT_DB_NAME = 'softwareheritage-test-vault'

				@classmethod
				def setUpClass(cls):
				if not hasattr(cls, 'DB_TEST_FIXTURE_IMPORTED'):
				raise RuntimeError("VaultTestFixture needs to be followed by "
				"DbTestFixture in the inheritance list.")

				test_dir = pathlib.Path(__file__).absolute().parent
				test_db_dump = test_dir / '../../../sql/swh-vault-schema.sql'
				test_db_dump = test_db_dump.absolute()
				cls.add_db(cls.TEST_VAULT_DB_NAME, str(test_db_dump), 'psql')
				super().setUpClass()

				def setUp(self):
				super().setUp()
				self.cache_root = tempfile.TemporaryDirectory('vault-cache-')
				self.vault_config = {
				'storage': self.storage_config,
				'vault_db': 'postgresql:///' + self.TEST_VAULT_DB_NAME,
				'cache': {'root': self.cache_root.name}
				}
				self.vault_backend = VaultBackend(self.vault_config)

				def tearDown(self):
				self.reset_tables()
				self.cache_root.cleanup()
				self.vault_backend.close()
				super().tearDown()