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# test_maintenance.py -- tests for maintenance functionality
# Copyright (C) 2024 Jelmer Vernooij <jelmer@jelmer.uk>
#
# SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
# Dulwich is dual-licensed under the Apache License, Version 2.0 and the GNU
# General Public License as published by the Free Software Foundation; version 2.0
# or (at your option) any later version. You can redistribute it and/or
# modify it under the terms of either of these two licenses.
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# You should have received a copy of the licenses; if not, see
# <http://www.gnu.org/licenses/> for a copy of the GNU General Public License
# and <http://www.apache.org/licenses/LICENSE-2.0> for a copy of the Apache
# License, Version 2.0.
#
"""Tests for dulwich.maintenance."""
import tempfile
from dulwich.maintenance import (
CommitGraphTask,
GcTask,
IncrementalRepackTask,
LooseObjectsTask,
PackRefsTask,
PrefetchTask,
get_enabled_tasks,
run_maintenance,
)
from dulwich.objects import Blob
from dulwich.repo import Repo
from . import TestCase
class MaintenanceTaskTestCase(TestCase):
"""Base class for maintenance task tests."""
def setUp(self):
super().setUp()
self.test_dir = tempfile.mkdtemp()
self.addCleanup(self._cleanup_test_dir)
self.repo = Repo.init(self.test_dir)
self.addCleanup(self.repo.close)
def _cleanup_test_dir(self):
import shutil
shutil.rmtree(self.test_dir)
def _create_commit(self):
"""Create a simple commit in the test repository."""
blob = Blob.from_string(b"test content")
self.repo.object_store.add_object(blob)
return blob
class GcTaskTest(MaintenanceTaskTestCase):
"""Tests for GcTask."""
def test_default_enabled(self):
"""Test that GC task is enabled by default."""
task = GcTask(self.repo)
self.assertTrue(task.default_enabled())
self.assertTrue(task.is_enabled())
def test_run(self):
"""Test running GC task."""
self._create_commit()
task = GcTask(self.repo)
result = task.run()
self.assertTrue(result)
class CommitGraphTaskTest(MaintenanceTaskTestCase):
"""Tests for CommitGraphTask."""
def test_default_enabled(self):
"""Test that commit-graph task is enabled by default."""
task = CommitGraphTask(self.repo)
self.assertTrue(task.default_enabled())
self.assertTrue(task.is_enabled())
def test_run(self):
"""Test running commit-graph task."""
self._create_commit()
task = CommitGraphTask(self.repo)
result = task.run()
self.assertTrue(result)
class LooseObjectsTaskTest(MaintenanceTaskTestCase):
"""Tests for LooseObjectsTask."""
def test_default_enabled(self):
"""Test that loose-objects task is disabled by default."""
task = LooseObjectsTask(self.repo)
self.assertFalse(task.default_enabled())
def test_run(self):
"""Test running loose-objects task."""
self._create_commit()
task = LooseObjectsTask(self.repo)
result = task.run()
self.assertTrue(result)
class IncrementalRepackTaskTest(MaintenanceTaskTestCase):
"""Tests for IncrementalRepackTask."""
def test_default_enabled(self):
"""Test that incremental-repack task is disabled by default."""
task = IncrementalRepackTask(self.repo)
self.assertFalse(task.default_enabled())
def test_run_no_packs(self):
"""Test running incremental-repack with no packs."""
task = IncrementalRepackTask(self.repo)
result = task.run()
self.assertTrue(result)
def test_run_auto_few_packs(self):
"""Test that auto mode skips repacking when there are few packs."""
self._create_commit()
task = IncrementalRepackTask(self.repo, auto=True)
result = task.run()
self.assertTrue(result)
class PackRefsTaskTest(MaintenanceTaskTestCase):
"""Tests for PackRefsTask."""
def test_default_enabled(self):
"""Test that pack-refs task is disabled by default."""
task = PackRefsTask(self.repo)
self.assertFalse(task.default_enabled())
def test_run(self):
"""Test running pack-refs task."""
task = PackRefsTask(self.repo)
result = task.run()
self.assertTrue(result)
class PrefetchTaskTest(MaintenanceTaskTestCase):
"""Tests for PrefetchTask."""
def test_default_enabled(self):
"""Test that prefetch task is disabled by default."""
task = PrefetchTask(self.repo)
self.assertFalse(task.default_enabled())
def test_run_no_remotes(self):
"""Test running prefetch with no remotes configured."""
task = PrefetchTask(self.repo)
result = task.run()
self.assertTrue(result)
class MaintenanceFunctionsTest(MaintenanceTaskTestCase):
"""Tests for maintenance module functions."""
def test_get_enabled_tasks_default(self):
"""Test getting enabled tasks with defaults."""
enabled = get_enabled_tasks(self.repo)
# By default, only gc and commit-graph are enabled
self.assertIn("gc", enabled)
self.assertIn("commit-graph", enabled)
self.assertNotIn("loose-objects", enabled)
self.assertNotIn("incremental-repack", enabled)
self.assertNotIn("pack-refs", enabled)
self.assertNotIn("prefetch", enabled)
def test_get_enabled_tasks_with_filter(self):
"""Test getting enabled tasks with a filter."""
enabled = get_enabled_tasks(self.repo, ["gc", "pack-refs"])
self.assertEqual(set(enabled), {"gc", "pack-refs"})
def test_get_enabled_tasks_invalid(self):
"""Test that invalid task names are ignored."""
enabled = get_enabled_tasks(self.repo, ["gc", "invalid-task"])
self.assertEqual(enabled, ["gc"])
def test_run_maintenance(self):
"""Test running maintenance tasks."""
self._create_commit()
result = run_maintenance(self.repo)
self.assertIn("gc", result.tasks_run)
self.assertIn("commit-graph", result.tasks_run)
self.assertIn("gc", result.tasks_succeeded)
self.assertIn("commit-graph", result.tasks_succeeded)
self.assertEqual(len(result.tasks_failed), 0)
def test_run_maintenance_specific_tasks(self):
"""Test running specific maintenance tasks."""
result = run_maintenance(self.repo, tasks=["pack-refs"])
self.assertEqual(result.tasks_run, ["pack-refs"])
self.assertEqual(result.tasks_succeeded, ["pack-refs"])
self.assertEqual(len(result.tasks_failed), 0)
def test_run_maintenance_with_progress(self):
"""Test running maintenance with progress callback."""
messages = []
def progress(msg):
messages.append(msg)
self._create_commit()
result = run_maintenance(self.repo, progress=progress)
self.assertGreater(len(messages), 0)
self.assertIn("gc", result.tasks_succeeded)
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