borg 1.4: test failure on ubuntu

[ThomasWaldmann]

Sometimes there are only 3 chunks:

___________ RemoteArchiverTestCase.test_related_repos_deduplication ____________
[gw1] linux -- Python 3.10.20 /home/runner/work/borg/borg/.tox/py310-fuse2/bin/python

self = <borg.testsuite.archiver.RemoteArchiverTestCase testMethod=test_related_repos_deduplication>

    def test_related_repos_deduplication(self):
        CHUNKER_PARAMS = 'buzhash,10,18,14,4095'  # ~16kiB chunks
        # 1. Create repo1
        self.cmd('init', '--encryption=repokey', self.repository_location)
        self.create_regular_file('file1', contents=os.urandom(128 * 1024))
        self.cmd('create', f'--chunker-params={CHUNKER_PARAMS}', self.repository_location + '::archive1', 'input')
    
        # 2. Export related secrets
        secrets_path = os.path.join(self.tmpdir, 'secrets.json')
        self.cmd('key', 'export-related-secrets', self.repository_location, secrets_path)
    
        with open(secrets_path, 'r') as f:
            secrets = json.load(f)
        assert secrets['version'] == 1
        assert 'id_key' in secrets
        assert 'chunk_seed' in secrets
        assert 'key_name' in secrets
    
        # 3. Create repo2 using imported secrets
        repo2_path = os.path.join(self.tmpdir, 'repo2')
        repo2_location = self.prefix + repo2_path
        self.cmd('init', '--encryption=repokey', '--import-related-secrets', secrets_path, repo2_location)
    
        # 4. Create backup in repo2 with same data
        self.cmd('create', f'--chunker-params={CHUNKER_PARAMS}', repo2_location + '::archive2', 'input')
    
        # 5. Verify chunk IDs are identical
        def get_chunk_ids(repo_path, archive_name):
            with Repository(repo_path) as repository:
                manifest, key = Manifest.load(repository, Manifest.NO_OPERATION_CHECK)
                archive = Archive(repository, key, manifest, archive_name)
                ids = []
                for item in archive.iter_items():
                    chunks = getattr(item, 'chunks', None)
                    if chunks:
                        ids.extend(c.id for c in chunks)
                return ids
    
        ids1 = get_chunk_ids(self.repository_path, 'archive1')
        ids2 = get_chunk_ids(repo2_path, 'archive2')
    
        assert ids1 == ids2
>       assert len(ids1) > 3
E       assert 3 > 3
E        +  where 3 = len([b'\x19+\xa2R\xb7\xb7\x84J-\xad`#\xb4\x0bpQ\xa8\x9dX<P8ZrL.\xaf\xf6\x05\x86\xa9\xdf', b'kE\x9c\xbe\xae\xeb\xc4\x10\x94&S\xb4\xf5\xda\x17\x91{\xc1\x9bE"6\x00\xc3\xca\xf0/\xfat/\x97{', b"f\x10\xe3V\xe0\xe5\x8d\xf8\xd0\x82\xda\xc1\x93\xce.\x85*\xcc\n'\xdf\xf6\xaa\x88}\xc3\x86\xad\xcf\x01\x046"])

src/borg/testsuite/archiver.py:4457: AssertionError

[ThomasWaldmann]

1.4-maint: fixed by 256fb9a

[ThomasWaldmann]

This is a test for a 1.4-only feature, which is differently implemented in master branch, thus we are done here.