This repository has been archived on 2020-03-24. You can view files and clone it, but cannot push or open issues or pull requests.
quay/data/registry_model/test/test_blobuploader.py
2019-11-12 11:09:47 -05:00

145 lines
4.9 KiB
Python

import hashlib
import os
import tarfile
from io import BytesIO
from contextlib import closing
import pytest
from data.registry_model.blobuploader import (retrieve_blob_upload_manager,
upload_blob, BlobUploadException,
BlobDigestMismatchException, BlobTooLargeException,
BlobUploadSettings)
from data.registry_model.registry_pre_oci_model import PreOCIModel
from storage.distributedstorage import DistributedStorage
from storage.fakestorage import FakeStorage
from test.fixtures import *
@pytest.fixture()
def pre_oci_model(initialized_db):
return PreOCIModel()
@pytest.mark.parametrize('chunk_count', [
0,
1,
2,
10,
])
@pytest.mark.parametrize('subchunk', [
True,
False,
])
def test_basic_upload_blob(chunk_count, subchunk, pre_oci_model):
repository_ref = pre_oci_model.lookup_repository('devtable', 'complex')
storage = DistributedStorage({'local_us': FakeStorage(None)}, ['local_us'])
settings = BlobUploadSettings('2M', 512 * 1024, 3600)
app_config = {'TESTING': True}
data = ''
with upload_blob(repository_ref, storage, settings) as manager:
assert manager
assert manager.blob_upload_id
for index in range(0, chunk_count):
chunk_data = os.urandom(100)
data += chunk_data
if subchunk:
manager.upload_chunk(app_config, BytesIO(chunk_data))
manager.upload_chunk(app_config, BytesIO(chunk_data), (index * 100) + 50)
else:
manager.upload_chunk(app_config, BytesIO(chunk_data))
blob = manager.commit_to_blob(app_config)
# Check the blob.
assert blob.compressed_size == len(data)
assert not blob.uploading
assert blob.digest == 'sha256:' + hashlib.sha256(data).hexdigest()
# Ensure the blob exists in storage and has the expected data.
assert storage.get_content(['local_us'], blob.storage_path) == data
def test_cancel_upload(pre_oci_model):
repository_ref = pre_oci_model.lookup_repository('devtable', 'complex')
storage = DistributedStorage({'local_us': FakeStorage(None)}, ['local_us'])
settings = BlobUploadSettings('2M', 512 * 1024, 3600)
app_config = {'TESTING': True}
blob_upload_id = None
with upload_blob(repository_ref, storage, settings) as manager:
blob_upload_id = manager.blob_upload_id
assert pre_oci_model.lookup_blob_upload(repository_ref, blob_upload_id) is not None
manager.upload_chunk(app_config, BytesIO('hello world'))
# Since the blob was not comitted, the upload should be deleted.
assert blob_upload_id
assert pre_oci_model.lookup_blob_upload(repository_ref, blob_upload_id) is None
def test_too_large(pre_oci_model):
repository_ref = pre_oci_model.lookup_repository('devtable', 'complex')
storage = DistributedStorage({'local_us': FakeStorage(None)}, ['local_us'])
settings = BlobUploadSettings('1K', 512 * 1024, 3600)
app_config = {'TESTING': True}
with upload_blob(repository_ref, storage, settings) as manager:
with pytest.raises(BlobTooLargeException):
manager.upload_chunk(app_config, BytesIO(os.urandom(1024 * 1024 * 2)))
def test_extra_blob_stream_handlers(pre_oci_model):
handler1_result = []
handler2_result = []
def handler1(bytes):
handler1_result.append(bytes)
def handler2(bytes):
handler2_result.append(bytes)
repository_ref = pre_oci_model.lookup_repository('devtable', 'complex')
storage = DistributedStorage({'local_us': FakeStorage(None)}, ['local_us'])
settings = BlobUploadSettings('1K', 512 * 1024, 3600)
app_config = {'TESTING': True}
with upload_blob(repository_ref, storage, settings,
extra_blob_stream_handlers=[handler1, handler2]) as manager:
manager.upload_chunk(app_config, BytesIO('hello '))
manager.upload_chunk(app_config, BytesIO('world'))
assert ''.join(handler1_result) == 'hello world'
assert ''.join(handler2_result) == 'hello world'
def valid_tar_gz(contents):
with closing(BytesIO()) as layer_data:
with closing(tarfile.open(fileobj=layer_data, mode='w|gz')) as tar_file:
tar_file_info = tarfile.TarInfo(name='somefile')
tar_file_info.type = tarfile.REGTYPE
tar_file_info.size = len(contents)
tar_file_info.mtime = 1
tar_file.addfile(tar_file_info, BytesIO(contents))
layer_bytes = layer_data.getvalue()
return layer_bytes
def test_uncompressed_size(pre_oci_model):
repository_ref = pre_oci_model.lookup_repository('devtable', 'complex')
storage = DistributedStorage({'local_us': FakeStorage(None)}, ['local_us'])
settings = BlobUploadSettings('1K', 512 * 1024, 3600)
app_config = {'TESTING': True}
with upload_blob(repository_ref, storage, settings) as manager:
manager.upload_chunk(app_config, BytesIO(valid_tar_gz('hello world')))
blob = manager.commit_to_blob(app_config)
assert blob.compressed_size is not None
assert blob.uncompressed_size is not None