def test_get_layer_link_from_sha_basic(self):
s = Scraper('local', 'data-copy')
sha = 'sha256:abcd123'
true_path = 'data-copy/docker/registry/v2/repositories/someimage/'\
'_layers/sha256/abcd123/link'
self.assertEqual(s._get_layer_link_from_sha('someimage', sha),
true_path)
def test_get_signature_blob_paths(self, mock_storage):
signatures_path = 'fakebucket/docker/registry/v2/repositories/' \
'someimage/_manifests/revisions/sha256/foo/' \
'signatures'
blob_path = 'fakebucket/docker/registry/v2/blobs/sha256'
expected = set(
[os.path.join(blob_path, p) for p in ['bar/link', 'baz/link']]
)
expected.add(signatures_path)
mock_storage.walk_files.return_value = list(expected)
s = Scraper('s3', 'fakebucket')
rv = s._get_signature_blob_paths('sha256:foo', 'someimage')
self.assertEqual(rv, expected)
self.assertEqual(rv, set())
def test_get_layers_basic(self):
image = 'someimage'
manifest = {
'fsLayers': [
{'blobSum': 'sha256:foo'},
{'blobSum': 'sha256:foo'},
{'blobSum': 'sha256:bar'}
]
}
true_paths = set([
'data-copy/docker/registry/v2/blobs/sha256/fo/foo/data',
'data-copy/docker/registry/v2/blobs/sha256/ba/bar/data',
'data-copy/docker/registry/v2/repositories/someimage/'
'_layers/sha256/foo/link',
'data-copy/docker/registry/v2/repositories/someimage/'
'_layers/sha256/bar/link'
])
s = Scraper('local', 'data-copy')
layer_paths = s._get_layers(image, manifest)
self.assertEqual(layer_paths, true_paths)
def test_get_blob_path_from_sha_basic(self):
s = Scraper('local', 'data-copy')
sha = 'sha256:abcd123'
true_path = 'data-copy/docker/registry/v2/blobs/sha256/ab/abcd123/data'
self.assertEqual(s._get_blob_path_from_sha(sha), true_path)
