debian-koji/tests/test_hub/test_ensure_volume_backlink.py
2025-06-12 13:22:59 +02:00

150 lines
5.1 KiB
Python

from unittest import mock
import os
import os.path
import shutil
import tempfile
import unittest
import koji
import kojihub
import pytest
class TestEnsureVolumeBacklink(unittest.TestCase):
def setUp(self):
self.tempdir = tempfile.mkdtemp()
self.topdir = self.tempdir + '/koji'
self.pathinfo = koji.PathInfo(self.topdir)
mock.patch('koji.pathinfo', new=self.pathinfo).start()
# set up other volume
vol = self.tempdir + '/vol_other'
self.volmount = vol
toplink = vol + '/toplink'
koji.ensuredir(vol)
voldir = self.pathinfo.volumedir('OTHER')
koji.ensuredir(os.path.dirname(voldir)) # koji/vol
os.symlink(vol, voldir)
os.symlink(self.topdir, toplink)
# mock.patch('kojihub.kojihub.lookup_name', new=self.my_lookup_name).start()
self.buildinfo = {
'id': 137,
'task_id': 'TASK_ID',
'name': 'some-image',
'version': '1.2.3.4',
'release': '3',
'epoch': None,
'source': None,
'state': koji.BUILD_STATES['BUILDING'],
# 'volume_id': 1,
'volume_name': 'OTHER',
}
def tearDown(self):
mock.patch.stopall()
shutil.rmtree(self.tempdir)
def my_lookup_name(self, table, info, **kw):
if table != 'volume':
raise Exception("Cannot fake call")
return {
'id': 'VOLUMEID:%s' % info,
'name': '%s' % info,
}
def test_volume_symlink_no_action(self):
# the call should do nothing if the volume is DEFAULT
binfo = self.buildinfo.copy()
binfo['volume_name'] = 'DEFAULT'
files1 = list(find_files(self.topdir))
kojihub.ensure_volume_backlink(binfo)
files2 = list(find_files(self.topdir))
self.assertEqual(files1, files2)
def test_volume_symlink_create(self):
# verify that backlink is created correctly
basedir = self.pathinfo.build(self.buildinfo) # OTHER volume
kojihub.ensure_volume_backlink(self.buildinfo)
files = list(find_files(self.volmount))
expected = [
'packages',
'toplink',
'packages/some-image',
'packages/some-image/1.2.3.4',
'packages/some-image/1.2.3.4/3',
]
self.assertEqual(files, expected)
relpath = ('../../../toplink/packages/'
'%(name)s/%(version)s/%(release)s' % self.buildinfo)
self.assertEqual(os.readlink(basedir), relpath)
def test_volume_symlink_exists(self):
# if an incorrect link is present, it should be replaced
basedir = self.pathinfo.build(self.buildinfo) # OTHER volume
oldpath = 'some/other/link'
os.makedirs(os.path.dirname(basedir))
os.symlink(oldpath, basedir)
kojihub.ensure_volume_backlink(self.buildinfo)
relpath = ('../../../toplink/packages/'
'%(name)s/%(version)s/%(release)s' % self.buildinfo)
self.assertEqual(os.readlink(basedir), relpath)
def test_volume_symlink_exists_same(self):
# if link is already correct, it should be left alone
basedir = self.pathinfo.build(self.buildinfo) # OTHER volume
relpath = ('../../../toplink/packages/'
'%(name)s/%(version)s/%(release)s' % self.buildinfo)
os.makedirs(os.path.dirname(basedir))
os.symlink(relpath, basedir)
with mock.patch('os.unlink') as unlink:
kojihub.ensure_volume_backlink(self.buildinfo)
unlink.assert_not_called()
files = list(find_files(self.volmount))
expected = [
'packages',
'toplink',
'packages/some-image',
'packages/some-image/1.2.3.4',
'packages/some-image/1.2.3.4/3',
]
self.assertEqual(files, expected)
def test_volume_symlink_exists_error(self):
# if the path exists and is not a link, we should error
basedir = self.pathinfo.build(self.buildinfo) # OTHER volume
os.makedirs(basedir)
files1 = list(find_files(self.tempdir))
with self.assertRaises(koji.GenericError):
kojihub.ensure_volume_backlink(self.buildinfo)
files2 = list(find_files(self.tempdir))
self.assertEqual(files1, files2)
def test_volume_symlink_exists_error(self):
# if the volume dir is bad, we should error
basedir = self.pathinfo.build(self.buildinfo) # OTHER volume
os.unlink(self.volmount + '/toplink')
with self.assertRaises(koji.GenericError):
kojihub.ensure_volume_backlink(self.buildinfo)
os.rmdir(self.volmount)
with self.assertRaises(koji.GenericError):
kojihub.ensure_volume_backlink(self.buildinfo)
def find_files(dirpath):
'''Find all files under dir, report relative paths'''
for path, dirs, files in os.walk(dirpath):
for fn in sorted(dirs + files):
yield os.path.relpath(os.path.join(path, fn), dirpath)